�ݺ�ߣshows by User: SamarBiswas3

�ݺ�ߣshows by User: SamarBiswas3 / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: SamarBiswas3 / Wed, 28 Aug 2019 10:35:14 GMT �ݺ�ߣShare feed for �ݺ�ߣshows by User: SamarBiswas3 Control of pollution by genetically engineered microorganisms /slideshow/control-of-pollution-by-genetically-engineered-microorganisms/167109291 controlofpollutionbygeneticallyengineeredmicroorganisms-190828103514
Pollution refers to the presence of a substance or substances in the environment that are harmful or toxic. The substances or pollutants may be harmful to human health, other animals, and plants. When something harmful enters the environment at a faster rate that it can be dispersed, there is pollution.]]>
Pollution refers to the presence of a substance or substances in the environment that are harmful or toxic. The substances or pollutants may be harmful to human health, other animals, and plants. When something harmful enters the environment at a faster rate that it can be dispersed, there is pollution.]]> Wed, 28 Aug 2019 10:35:14 GMT /slideshow/control-of-pollution-by-genetically-engineered-microorganisms/167109291 SamarBiswas3@slideshare.net(SamarBiswas3) Control of pollution by genetically engineered microorganisms SamarBiswas3 Pollution refers to the presence of a substance or substances in the environment that are harmful or toxic. The substances or pollutants may be harmful to human health, other animals, and plants. When something harmful enters the environment at a faster rate that it can be dispersed, there is pollution. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/controlofpollutionbygeneticallyengineeredmicroorganisms-190828103514-thumbnail.jpg?width=120&height=120&fit=bounds" /> Pollution refers to the presence of a substance or substances in the environment that are harmful or toxic. The substances or pollutants may be harmful to human health, other animals, and plants. When something harmful enters the environment at a faster rate that it can be dispersed, there is pollution.

Control of pollution by genetically engineered microorganisms from Samar Biswas

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0 PRESENT STATUS AND PROSPECT OF BOTANICALS IN PLANT DISEASE CONTROL /slideshow/present-status-and-prospect-of-botanicals-in-plant-disease-control/104840802 botanicals-180708162651
Botanicals have been in use for a long time for pest control. A product of species coevolution, these compounds offer many environmental advantages. However, their uses during the 20th century have been rather marginal compared with other bio control methods of pests and pathogens. Improvement in our understanding of plant allelochemical mechanisms of activity offer new prospects for using these substances in crop protection. We examine the reasons behind their limited use and the actual crop protection developments involving plant allelochemicals, namely formulations including bio pesticides of plant origin for organic or traditional agricultures, and improvement of plant resistance to pathogens through identification of genes coding for allelochemicals and stimulation of natural passive and active defenses of the plant. Commercial and regulatory aspects are discussed.]]>
Botanicals have been in use for a long time for pest control. A product of species coevolution, these compounds offer many environmental advantages. However, their uses during the 20th century have been rather marginal compared with other bio control methods of pests and pathogens. Improvement in our understanding of plant allelochemical mechanisms of activity offer new prospects for using these substances in crop protection. We examine the reasons behind their limited use and the actual crop protection developments involving plant allelochemicals, namely formulations including bio pesticides of plant origin for organic or traditional agricultures, and improvement of plant resistance to pathogens through identification of genes coding for allelochemicals and stimulation of natural passive and active defenses of the plant. Commercial and regulatory aspects are discussed.]]> Sun, 08 Jul 2018 16:26:51 GMT /slideshow/present-status-and-prospect-of-botanicals-in-plant-disease-control/104840802 SamarBiswas3@slideshare.net(SamarBiswas3) PRESENT STATUS AND PROSPECT OF BOTANICALS IN PLANT DISEASE CONTROL SamarBiswas3 Botanicals have been in use for a long time for pest control. A product of species coevolution, these compounds offer many environmental advantages. However, their uses during the 20th century have been rather marginal compared with other bio control methods of pests and pathogens. Improvement in our understanding of plant allelochemical mechanisms of activity offer new prospects for using these substances in crop protection. We examine the reasons behind their limited use and the actual crop protection developments involving plant allelochemicals, namely formulations including bio pesticides of plant origin for organic or traditional agricultures, and improvement of plant resistance to pathogens through identification of genes coding for allelochemicals and stimulation of natural passive and active defenses of the plant. Commercial and regulatory aspects are discussed. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/botanicals-180708162651-thumbnail.jpg?width=120&height=120&fit=bounds" /> Botanicals have been in use for a long time for pest control. A product of species coevolution, these compounds offer many environmental advantages. However, their uses during the 20th century have been rather marginal compared with other bio control methods of pests and pathogens. Improvement in our understanding of plant allelochemical mechanisms of activity offer new prospects for using these substances in crop protection. We examine the reasons behind their limited use and the actual crop protection developments involving plant allelochemicals, namely formulations including bio pesticides of plant origin for organic or traditional agricultures, and improvement of plant resistance to pathogens through identification of genes coding for allelochemicals and stimulation of natural passive and active defenses of the plant. Commercial and regulatory aspects are discussed.

PRESENT STATUS AND PROSPECT OF BOTANICALS IN PLANT DISEASE CONTROL from Samar Biswas

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0 FARMERS’ KNOWLEDGE ON ADVERSE EFFECT OF USING AGRO-CHEMICALS /slideshow/farmers-knowledge-on-adverse-effect-of-using-agrochemicals/104834464 setu-180708145703
Agrochemical , a contraction of agricultural chemical, is a generic term for the various chemical products used in agriculture. In most cases, agrichemical refers to the broad range of pesticides, including insecticides, herbicides, and fungicides. It may also include synthetic fertilizers, hormones and other chemical growth agents, and concentrated stores of raw animal manure(Wikipedia). Chemical fertilizer as an important agro-chemical in Bangladesh was first introduced with limited use in early sixties. Its consumption has increased progressively over the last three decades. Total consumption of fertilizers increased around four folds from 0.87 million tons in 1980-81 to 3.04 million tons in 1996-97 with a growth rate of 8.36% per annum Today is an established fact that agriculture not industry is major polluter of environment on a local , regional and global basis (Conway and Pretty, 1991).]]>
Agrochemical , a contraction of agricultural chemical, is a generic term for the various chemical products used in agriculture. In most cases, agrichemical refers to the broad range of pesticides, including insecticides, herbicides, and fungicides. It may also include synthetic fertilizers, hormones and other chemical growth agents, and concentrated stores of raw animal manure(Wikipedia). Chemical fertilizer as an important agro-chemical in Bangladesh was first introduced with limited use in early sixties. Its consumption has increased progressively over the last three decades. Total consumption of fertilizers increased around four folds from 0.87 million tons in 1980-81 to 3.04 million tons in 1996-97 with a growth rate of 8.36% per annum Today is an established fact that agriculture not industry is major polluter of environment on a local , regional and global basis (Conway and Pretty, 1991).]]> Sun, 08 Jul 2018 14:57:03 GMT /slideshow/farmers-knowledge-on-adverse-effect-of-using-agrochemicals/104834464 SamarBiswas3@slideshare.net(SamarBiswas3) FARMERS’ KNOWLEDGE ON ADVERSE EFFECT OF USING AGRO-CHEMICALS SamarBiswas3 Agrochemical , a contraction of agricultural chemical, is a generic term for the various chemical products used in agriculture. In most cases, agrichemical refers to the broad range of pesticides, including insecticides, herbicides, and fungicides. It may also include synthetic fertilizers, hormones and other chemical growth agents, and concentrated stores of raw animal manure(Wikipedia). Chemical fertilizer as an important agro-chemical in Bangladesh was first introduced with limited use in early sixties. Its consumption has increased progressively over the last three decades. Total consumption of fertilizers increased around four folds from 0.87 million tons in 1980-81 to 3.04 million tons in 1996-97 with a growth rate of 8.36% per annum Today is an established fact that agriculture not industry is major polluter of environment on a local , regional and global basis (Conway and Pretty, 1991). <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/setu-180708145703-thumbnail.jpg?width=120&height=120&fit=bounds" /> Agrochemical , a contraction of agricultural chemical, is a generic term for the various chemical products used in agriculture. In most cases, agrichemical refers to the broad range of pesticides, including insecticides, herbicides, and fungicides. It may also include synthetic fertilizers, hormones and other chemical growth agents, and concentrated stores of raw animal manure(Wikipedia). Chemical fertilizer as an important agro-chemical in Bangladesh was first introduced with limited use in early sixties. Its consumption has increased progressively over the last three decades. Total consumption of fertilizers increased around four folds from 0.87 million tons in 1980-81 to 3.04 million tons in 1996-97 with a growth rate of 8.36% per annum Today is an established fact that agriculture not industry is major polluter of environment on a local , regional and global basis (Conway and Pretty, 1991).

FARMERS’ KNOWLEDGE ON ADVERSE EFFECT OF USING AGRO-CHEMICALS from Samar Biswas

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0 Postharvest Loss Reduction of Fruits in Bangladesh: Achievements and Challenges /slideshow/postharvest-loss-reduction-of-fruits-in-bangladesh-achievements-and-challenges/104834151 seminar2015-180708145250
A study was done to find the present status, causes of losses and remedies of postharvest loss of fruits in Bangladesh. Farmers are producing huge number of fruits but poor postharvest handling and practices caused about 25-50% losses of fruits in our country. The total loss due to poor postharvest processing of fruits in Bangladesh when valued in monetary terms reflects a tremendous loss in the economy. The gross value of the losses stands at Tk. 6.120 to 8.160 million. Such a situation doesn't only reduce the national income but also leads to malnutrition and socio-economic problems. Main causes of postharvest losses are improper harvesting, packing, excessive and rough handling, poor transportation and storage facilities. Both the government and private sector need to invest much effort in research and extension towards improving and modernizing postharvest facilities for attaining more efficient market infrastructure and distribution channels. Research and extension activities have to be closely coordinated particularly in the public sector for the benefit of farmers, traders and consumers.]]>
A study was done to find the present status, causes of losses and remedies of postharvest loss of fruits in Bangladesh. Farmers are producing huge number of fruits but poor postharvest handling and practices caused about 25-50% losses of fruits in our country. The total loss due to poor postharvest processing of fruits in Bangladesh when valued in monetary terms reflects a tremendous loss in the economy. The gross value of the losses stands at Tk. 6.120 to 8.160 million. Such a situation doesn't only reduce the national income but also leads to malnutrition and socio-economic problems. Main causes of postharvest losses are improper harvesting, packing, excessive and rough handling, poor transportation and storage facilities. Both the government and private sector need to invest much effort in research and extension towards improving and modernizing postharvest facilities for attaining more efficient market infrastructure and distribution channels. Research and extension activities have to be closely coordinated particularly in the public sector for the benefit of farmers, traders and consumers.]]> Sun, 08 Jul 2018 14:52:50 GMT /slideshow/postharvest-loss-reduction-of-fruits-in-bangladesh-achievements-and-challenges/104834151 SamarBiswas3@slideshare.net(SamarBiswas3) Postharvest Loss Reduction of Fruits in Bangladesh: Achievements and Challenges SamarBiswas3 A study was done to find the present status, causes of losses and remedies of postharvest loss of fruits in Bangladesh. Farmers are producing huge number of fruits but poor postharvest handling and practices caused about 25-50% losses of fruits in our country. The total loss due to poor postharvest processing of fruits in Bangladesh when valued in monetary terms reflects a tremendous loss in the economy. The gross value of the losses stands at Tk. 6.120 to 8.160 million. Such a situation doesn't only reduce the national income but also leads to malnutrition and socio-economic problems. Main causes of postharvest losses are improper harvesting, packing, excessive and rough handling, poor transportation and storage facilities. Both the government and private sector need to invest much effort in research and extension towards improving and modernizing postharvest facilities for attaining more efficient market infrastructure and distribution channels. Research and extension activities have to be closely coordinated particularly in the public sector for the benefit of farmers, traders and consumers. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/seminar2015-180708145250-thumbnail.jpg?width=120&height=120&fit=bounds" /> A study was done to find the present status, causes of losses and remedies of postharvest loss of fruits in Bangladesh. Farmers are producing huge number of fruits but poor postharvest handling and practices caused about 25-50% losses of fruits in our country. The total loss due to poor postharvest processing of fruits in Bangladesh when valued in monetary terms reflects a tremendous loss in the economy. The gross value of the losses stands at Tk. 6.120 to 8.160 million. Such a situation doesn't only reduce the national income but also leads to malnutrition and socio-economic problems. Main causes of postharvest losses are improper harvesting, packing, excessive and rough handling, poor transportation and storage facilities. Both the government and private sector need to invest much effort in research and extension towards improving and modernizing postharvest facilities for attaining more efficient market infrastructure and distribution channels. Research and extension activities have to be closely coordinated particularly in the public sector for the benefit of farmers, traders and consumers.

Postharvest Loss Reduction of Fruits in Bangladesh: Achievements and Challenges from Samar Biswas

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0 Prospects of Hybrid Rice Cultivation in Bangladesh /slideshow/prospects-of-hybrid-rice-cultivation-in-bangladesh/104833645 presentation-180708144636
Rice plays an important role in the economy of Bangladesh. It is by far the most important food crop in Asia. Extension of rice area through increased rice production under irrigated condition is a herculean task. The conventional varieties of rice in Bangladesh are comparatively lower-yield and it seems impossible to change this yield with reachable resources under the prevailing situation. At this stage, hybrid varieties of rice may be a breakthrough, which could overcome perpetual yield stagnancy. To feed ever increasing hungry millions of Bangladesh, there is no option but go for hybrid rice. Therefore, development and introduction of hybrid varieties should get topmost priority especially in irrigated MV rice. The national average yield of rice in Bangladesh is low (2.98 t/ha), while yields of the other rice growing countries of Asia such as, China, Taiwan, Indonesia, and Japan are much higher than that of Bangladesh. Bangladesh has been facing acute shortage of rice for a long time to cope with rapid rise of population. Therefore, it has become indispensable to produce more rice to achieve the goal of self-sufficiency in food. Accordingly, production per unit of land area as well as maximum cropping intensity are crucial factors. Therefore, attempts should be taken to increase the yield per unit area through use of comparatively high yielding varieties. Introduction of hybrid rice is an important step towards augmentation of rice yields. Hybrid rice out yielded the existing conventional High Yielding Varieties (HYVs) by 15- 20% in India, Bangladesh and Vietnam.]]>
Rice plays an important role in the economy of Bangladesh. It is by far the most important food crop in Asia. Extension of rice area through increased rice production under irrigated condition is a herculean task. The conventional varieties of rice in Bangladesh are comparatively lower-yield and it seems impossible to change this yield with reachable resources under the prevailing situation. At this stage, hybrid varieties of rice may be a breakthrough, which could overcome perpetual yield stagnancy. To feed ever increasing hungry millions of Bangladesh, there is no option but go for hybrid rice. Therefore, development and introduction of hybrid varieties should get topmost priority especially in irrigated MV rice. The national average yield of rice in Bangladesh is low (2.98 t/ha), while yields of the other rice growing countries of Asia such as, China, Taiwan, Indonesia, and Japan are much higher than that of Bangladesh. Bangladesh has been facing acute shortage of rice for a long time to cope with rapid rise of population. Therefore, it has become indispensable to produce more rice to achieve the goal of self-sufficiency in food. Accordingly, production per unit of land area as well as maximum cropping intensity are crucial factors. Therefore, attempts should be taken to increase the yield per unit area through use of comparatively high yielding varieties. Introduction of hybrid rice is an important step towards augmentation of rice yields. Hybrid rice out yielded the existing conventional High Yielding Varieties (HYVs) by 15- 20% in India, Bangladesh and Vietnam.]]> Sun, 08 Jul 2018 14:46:36 GMT /slideshow/prospects-of-hybrid-rice-cultivation-in-bangladesh/104833645 SamarBiswas3@slideshare.net(SamarBiswas3) Prospects of Hybrid Rice Cultivation in Bangladesh SamarBiswas3 Rice plays an important role in the economy of Bangladesh. It is by far the most important food crop in Asia. Extension of rice area through increased rice production under irrigated condition is a herculean task. The conventional varieties of rice in Bangladesh are comparatively lower-yield and it seems impossible to change this yield with reachable resources under the prevailing situation. At this stage, hybrid varieties of rice may be a breakthrough, which could overcome perpetual yield stagnancy. To feed ever increasing hungry millions of Bangladesh, there is no option but go for hybrid rice. Therefore, development and introduction of hybrid varieties should get topmost priority especially in irrigated MV rice. The national average yield of rice in Bangladesh is low (2.98 t/ha), while yields of the other rice growing countries of Asia such as, China, Taiwan, Indonesia, and Japan are much higher than that of Bangladesh. Bangladesh has been facing acute shortage of rice for a long time to cope with rapid rise of population. Therefore, it has become indispensable to produce more rice to achieve the goal of self-sufficiency in food. Accordingly, production per unit of land area as well as maximum cropping intensity are crucial factors. Therefore, attempts should be taken to increase the yield per unit area through use of comparatively high yielding varieties. Introduction of hybrid rice is an important step towards augmentation of rice yields. Hybrid rice out yielded the existing conventional High Yielding Varieties (HYVs) by 15- 20% in India, Bangladesh and Vietnam. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/presentation-180708144636-thumbnail.jpg?width=120&height=120&fit=bounds" /> Rice plays an important role in the economy of Bangladesh. It is by far the most important food crop in Asia. Extension of rice area through increased rice production under irrigated condition is a herculean task. The conventional varieties of rice in Bangladesh are comparatively lower-yield and it seems impossible to change this yield with reachable resources under the prevailing situation. At this stage, hybrid varieties of rice may be a breakthrough, which could overcome perpetual yield stagnancy. To feed ever increasing hungry millions of Bangladesh, there is no option but go for hybrid rice. Therefore, development and introduction of hybrid varieties should get topmost priority especially in irrigated MV rice. The national average yield of rice in Bangladesh is low (2.98 t/ha), while yields of the other rice growing countries of Asia such as, China, Taiwan, Indonesia, and Japan are much higher than that of Bangladesh. Bangladesh has been facing acute shortage of rice for a long time to cope with rapid rise of population. Therefore, it has become indispensable to produce more rice to achieve the goal of self-sufficiency in food. Accordingly, production per unit of land area as well as maximum cropping intensity are crucial factors. Therefore, attempts should be taken to increase the yield per unit area through use of comparatively high yielding varieties. Introduction of hybrid rice is an important step towards augmentation of rice yields. Hybrid rice out yielded the existing conventional High Yielding Varieties (HYVs) by 15- 20% in India, Bangladesh and Vietnam.

Prospects of Hybrid Rice Cultivation in Bangladesh from Samar Biswas

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0 USE OF NEEM PRODUCTS FOR THE MANAGEMENT OF INSECT PESTS OF VEGETABLES /slideshow/use-of-neem-products-for-the-management-of-insect-pests-of-vegetables/104833313 sam-180708144237
The main focus of the study to highlight the benefit of managing insect pests with neem products, based on the finding of several secondary sources. Insect management by neem is a house hold word but still it is not a common place event. Neem tree, Azadirachta indica; is a medicinal plant. The trees contain many chemical compounds of which neem seed contain much azadirachtin. It possess medium to broad spectrum of action against insects selectively with low mammalian toxicity. Azadirachtin seems to be an "ecdysone blocker. The interferences of the azadirachtin is too insect’s specific against chemoreceptor and endocrine control systems, by which it affect insect growth, feeding and oviposition. Those are so different from the mammalian system that no toxic effects have been found even after application of gram amounts of azadirachtin per kilogram of body weight. When the neem seed oil is correctly formulated its efficiency increases many times, without any adverse effect on our ecology and environment.]]>
The main focus of the study to highlight the benefit of managing insect pests with neem products, based on the finding of several secondary sources. Insect management by neem is a house hold word but still it is not a common place event. Neem tree, Azadirachta indica; is a medicinal plant. The trees contain many chemical compounds of which neem seed contain much azadirachtin. It possess medium to broad spectrum of action against insects selectively with low mammalian toxicity. Azadirachtin seems to be an "ecdysone blocker. The interferences of the azadirachtin is too insect’s specific against chemoreceptor and endocrine control systems, by which it affect insect growth, feeding and oviposition. Those are so different from the mammalian system that no toxic effects have been found even after application of gram amounts of azadirachtin per kilogram of body weight. When the neem seed oil is correctly formulated its efficiency increases many times, without any adverse effect on our ecology and environment.]]> Sun, 08 Jul 2018 14:42:37 GMT /slideshow/use-of-neem-products-for-the-management-of-insect-pests-of-vegetables/104833313 SamarBiswas3@slideshare.net(SamarBiswas3) USE OF NEEM PRODUCTS FOR THE MANAGEMENT OF INSECT PESTS OF VEGETABLES SamarBiswas3 The main focus of the study to highlight the benefit of managing insect pests with neem products, based on the finding of several secondary sources. Insect management by neem is a house hold word but still it is not a common place event. Neem tree, Azadirachta indica; is a medicinal plant. The trees contain many chemical compounds of which neem seed contain much azadirachtin. It possess medium to broad spectrum of action against insects selectively with low mammalian toxicity. Azadirachtin seems to be an "ecdysone blocker. The interferences of the azadirachtin is too insect’s specific against chemoreceptor and endocrine control systems, by which it affect insect growth, feeding and oviposition. Those are so different from the mammalian system that no toxic effects have been found even after application of gram amounts of azadirachtin per kilogram of body weight. When the neem seed oil is correctly formulated its efficiency increases many times, without any adverse effect on our ecology and environment. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/sam-180708144237-thumbnail.jpg?width=120&height=120&fit=bounds" /> The main focus of the study to highlight the benefit of managing insect pests with neem products, based on the finding of several secondary sources. Insect management by neem is a house hold word but still it is not a common place event. Neem tree, Azadirachta indica; is a medicinal plant. The trees contain many chemical compounds of which neem seed contain much azadirachtin. It possess medium to broad spectrum of action against insects selectively with low mammalian toxicity. Azadirachtin seems to be an "ecdysone blocker. The interferences of the azadirachtin is too insect’s specific against chemoreceptor and endocrine control systems, by which it affect insect growth, feeding and oviposition. Those are so different from the mammalian system that no toxic effects have been found even after application of gram amounts of azadirachtin per kilogram of body weight. When the neem seed oil is correctly formulated its efficiency increases many times, without any adverse effect on our ecology and environment.

USE OF NEEM PRODUCTS FOR THE MANAGEMENT OF INSECT PESTS OF VEGETABLES from Samar Biswas

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0 Effect of different growth regulators on the growth and yield of oyster mushroom /SamarBiswas3/effect-of-different-growth-regulators-on-the-growth-and-yield-of-oyster-mushroom newmicrosoftofficepowerpointpresentation-180708143034
The Greek word “Mykes” and Latin word “Fungus” mean mushroom. In a broad sense, mushrooms are fungi, but 6 all fungi are not necessarily considered as mushrooms. The mushroom is simply a fleshy, spore bearing organ of the fungi, and it belongs to either the class Ascomycetes or Basidiomycetes. The vegetative parts of the mushrooms mainly consist of thread like long thin mycelium which under suitable condition forms fruiting bodies or sporocarps. This sporocarp is called mushroom. They are very unlike green plants because they lack chlorophyll and therefore depend on the preformed food for their nutrition (Song, 2004). Mushrooms production in Bangladesh started in 1979 at Sobhanbag Horticulture Centre, Savar, Dhaka with the technical assistance of Japan and one spawn laboratory and training facility was established to promote mushroom production at that time. Initially paddy straw mushroom was successfully grown. This variety could not be established due to low yield and short shelf life and was shortly replaced by Oyster mushroom. ]]>
The Greek word “Mykes” and Latin word “Fungus” mean mushroom. In a broad sense, mushrooms are fungi, but 6 all fungi are not necessarily considered as mushrooms. The mushroom is simply a fleshy, spore bearing organ of the fungi, and it belongs to either the class Ascomycetes or Basidiomycetes. The vegetative parts of the mushrooms mainly consist of thread like long thin mycelium which under suitable condition forms fruiting bodies or sporocarps. This sporocarp is called mushroom. They are very unlike green plants because they lack chlorophyll and therefore depend on the preformed food for their nutrition (Song, 2004). Mushrooms production in Bangladesh started in 1979 at Sobhanbag Horticulture Centre, Savar, Dhaka with the technical assistance of Japan and one spawn laboratory and training facility was established to promote mushroom production at that time. Initially paddy straw mushroom was successfully grown. This variety could not be established due to low yield and short shelf life and was shortly replaced by Oyster mushroom. ]]> Sun, 08 Jul 2018 14:30:33 GMT /SamarBiswas3/effect-of-different-growth-regulators-on-the-growth-and-yield-of-oyster-mushroom SamarBiswas3@slideshare.net(SamarBiswas3) Effect of different growth regulators on the growth and yield of oyster mushroom SamarBiswas3 The Greek word “Mykes” and Latin word “Fungus” mean mushroom. In a broad sense, mushrooms are fungi, but 6 all fungi are not necessarily considered as mushrooms. The mushroom is simply a fleshy, spore bearing organ of the fungi, and it belongs to either the class Ascomycetes or Basidiomycetes. The vegetative parts of the mushrooms mainly consist of thread like long thin mycelium which under suitable condition forms fruiting bodies or sporocarps. This sporocarp is called mushroom. They are very unlike green plants because they lack chlorophyll and therefore depend on the preformed food for their nutrition (Song, 2004). Mushrooms production in Bangladesh started in 1979 at Sobhanbag Horticulture Centre, Savar, Dhaka with the technical assistance of Japan and one spawn laboratory and training facility was established to promote mushroom production at that time. Initially paddy straw mushroom was successfully grown. This variety could not be established due to low yield and short shelf life and was shortly replaced by Oyster mushroom. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/newmicrosoftofficepowerpointpresentation-180708143034-thumbnail.jpg?width=120&height=120&fit=bounds" /> The Greek word “Mykes” and Latin word “Fungus” mean mushroom. In a broad sense, mushrooms are fungi, but 6 all fungi are not necessarily considered as mushrooms. The mushroom is simply a fleshy, spore bearing organ of the fungi, and it belongs to either the class Ascomycetes or Basidiomycetes. The vegetative parts of the mushrooms mainly consist of thread like long thin mycelium which under suitable condition forms fruiting bodies or sporocarps. This sporocarp is called mushroom. They are very unlike green plants because they lack chlorophyll and therefore depend on the preformed food for their nutrition (Song, 2004). Mushrooms production in Bangladesh started in 1979 at Sobhanbag Horticulture Centre, Savar, Dhaka with the technical assistance of Japan and one spawn laboratory and training facility was established to promote mushroom production at that time. Initially paddy straw mushroom was successfully grown. This variety could not be established due to low yield and short shelf life and was shortly replaced by Oyster mushroom.

Effect of different growth regulators on the growth and yield of oyster mushroom from Samar Biswas

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0 SALT TOLERANCE IMPROVEMENT OF HORTICULTURAL CROPS THROUGH SEED PRIMING /slideshow/salt-tolerance-improvement-of-horticultural-crops-through-seed-priming/104831708 presentation-180708142404
Salinity is one the major abiotic stresses that affect crop production in arid and semiarid areas. Seed germination and seedling growth are the stages most sensitive to salinity. Salt stress causes adverse physiological and biochemical changes in germinating seeds. Various techniques can improve emergence and stand establishment under salt conditions. One of the most frequently utilized is seed priming. The process of seed priming involves prior exposure to an abiotic stress, making a seed more resistant to future exposure. Seed priming stimulates the pre-germination metabolic processes and makes the seed ready for radicle protrusion. It increases the antioxidant system activity and the repair of membranes. These changes promote seed vigor during germination and emergence under salinity stress. There are different type of priming techniques for seed treatment, i.e. hydropriming, halopriming, osmopriming and hormonal priming. Seed priming increases seedling vigour of several horticultural crops. Tomato, cucumber, French marigold, amaranth and hot peper etc. were tested for seed priming at seedling stage and show better result than nonprime seed against salt stress condition. The priming techniques improved seedling vigour, growth and yield of horticultural crops. ]]>
Salinity is one the major abiotic stresses that affect crop production in arid and semiarid areas. Seed germination and seedling growth are the stages most sensitive to salinity. Salt stress causes adverse physiological and biochemical changes in germinating seeds. Various techniques can improve emergence and stand establishment under salt conditions. One of the most frequently utilized is seed priming. The process of seed priming involves prior exposure to an abiotic stress, making a seed more resistant to future exposure. Seed priming stimulates the pre-germination metabolic processes and makes the seed ready for radicle protrusion. It increases the antioxidant system activity and the repair of membranes. These changes promote seed vigor during germination and emergence under salinity stress. There are different type of priming techniques for seed treatment, i.e. hydropriming, halopriming, osmopriming and hormonal priming. Seed priming increases seedling vigour of several horticultural crops. Tomato, cucumber, French marigold, amaranth and hot peper etc. were tested for seed priming at seedling stage and show better result than nonprime seed against salt stress condition. The priming techniques improved seedling vigour, growth and yield of horticultural crops. ]]> Sun, 08 Jul 2018 14:24:04 GMT /slideshow/salt-tolerance-improvement-of-horticultural-crops-through-seed-priming/104831708 SamarBiswas3@slideshare.net(SamarBiswas3) SALT TOLERANCE IMPROVEMENT OF HORTICULTURAL CROPS THROUGH SEED PRIMING SamarBiswas3 Salinity is one the major abiotic stresses that affect crop production in arid and semiarid areas. Seed germination and seedling growth are the stages most sensitive to salinity. Salt stress causes adverse physiological and biochemical changes in germinating seeds. Various techniques can improve emergence and stand establishment under salt conditions. One of the most frequently utilized is seed priming. The process of seed priming involves prior exposure to an abiotic stress, making a seed more resistant to future exposure. Seed priming stimulates the pre-germination metabolic processes and makes the seed ready for radicle protrusion. It increases the antioxidant system activity and the repair of membranes. These changes promote seed vigor during germination and emergence under salinity stress. There are different type of priming techniques for seed treatment, i.e. hydropriming, halopriming, osmopriming and hormonal priming. Seed priming increases seedling vigour of several horticultural crops. Tomato, cucumber, French marigold, amaranth and hot peper etc. were tested for seed priming at seedling stage and show better result than nonprime seed against salt stress condition. The priming techniques improved seedling vigour, growth and yield of horticultural crops. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/presentation-180708142404-thumbnail.jpg?width=120&height=120&fit=bounds" /> Salinity is one the major abiotic stresses that affect crop production in arid and semiarid areas. Seed germination and seedling growth are the stages most sensitive to salinity. Salt stress causes adverse physiological and biochemical changes in germinating seeds. Various techniques can improve emergence and stand establishment under salt conditions. One of the most frequently utilized is seed priming. The process of seed priming involves prior exposure to an abiotic stress, making a seed more resistant to future exposure. Seed priming stimulates the pre-germination metabolic processes and makes the seed ready for radicle protrusion. It increases the antioxidant system activity and the repair of membranes. These changes promote seed vigor during germination and emergence under salinity stress. There are different type of priming techniques for seed treatment, i.e. hydropriming, halopriming, osmopriming and hormonal priming. Seed priming increases seedling vigour of several horticultural crops. Tomato, cucumber, French marigold, amaranth and hot peper etc. were tested for seed priming at seedling stage and show better result than nonprime seed against salt stress condition. The priming techniques improved seedling vigour, growth and yield of horticultural crops.

SALT TOLERANCE IMPROVEMENT OF HORTICULTURAL CROPS THROUGH SEED PRIMING from Samar Biswas

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0 Mango fruit precooling techniques /slideshow/mango-fruit-precooling-techniques/86849350 mangofruitprecoolingtechniques-180129122418
Precooling removes the field heat. Reduction in rate of respiration and ethylene (C2H4) liberation. Reduction the chance of fungal infection. Reduction of water loss from the harvested produce. Prevent quality loss due to softening. Restriction of the enzyme activities. Prevent quality loss due to softening. It reduces energy required for cold storage. It provide Marketing flexibility.]]>
Precooling removes the field heat. Reduction in rate of respiration and ethylene (C2H4) liberation. Reduction the chance of fungal infection. Reduction of water loss from the harvested produce. Prevent quality loss due to softening. Restriction of the enzyme activities. Prevent quality loss due to softening. It reduces energy required for cold storage. It provide Marketing flexibility.]]> Mon, 29 Jan 2018 12:24:18 GMT /slideshow/mango-fruit-precooling-techniques/86849350 SamarBiswas3@slideshare.net(SamarBiswas3) Mango fruit precooling techniques SamarBiswas3 Precooling removes the field heat. Reduction in rate of respiration and ethylene (C2H4) liberation. Reduction the chance of fungal infection. Reduction of water loss from the harvested produce. Prevent quality loss due to softening. Restriction of the enzyme activities. Prevent quality loss due to softening. It reduces energy required for cold storage. It provide Marketing flexibility. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/mangofruitprecoolingtechniques-180129122418-thumbnail.jpg?width=120&height=120&fit=bounds" /> Precooling removes the field heat. Reduction in rate of respiration and ethylene (C2H4) liberation. Reduction the chance of fungal infection. Reduction of water loss from the harvested produce. Prevent quality loss due to softening. Restriction of the enzyme activities. Prevent quality loss due to softening. It reduces energy required for cold storage. It provide Marketing flexibility.

Mango fruit precooling techniques from Samar Biswas

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0 Recent Breakthroughs in Genetic Engineering /slideshow/recent-breakthroughs-in-genetic-engineering/86849212 debaslide-180129122014
Genetically engineered immune cells are saving the lives of cancer patients. Precise Gene Editing in Plants. DNA-editing breakthrough could fix 'broken genes' in the brain, delay ageing and cure incurable diseases The Genetic engineering could slow aging, reverse blindness. The genetic engineering that could change humanity. Chinese researchers have genetically modified a human embryo.]]>
Genetically engineered immune cells are saving the lives of cancer patients. Precise Gene Editing in Plants. DNA-editing breakthrough could fix 'broken genes' in the brain, delay ageing and cure incurable diseases The Genetic engineering could slow aging, reverse blindness. The genetic engineering that could change humanity. Chinese researchers have genetically modified a human embryo.]]> Mon, 29 Jan 2018 12:20:14 GMT /slideshow/recent-breakthroughs-in-genetic-engineering/86849212 SamarBiswas3@slideshare.net(SamarBiswas3) Recent Breakthroughs in Genetic Engineering SamarBiswas3 Genetically engineered immune cells are saving the lives of cancer patients. Precise Gene Editing in Plants. DNA-editing breakthrough could fix 'broken genes' in the brain, delay ageing and cure incurable diseases The Genetic engineering could slow aging, reverse blindness. The genetic engineering that could change humanity. Chinese researchers have genetically modified a human embryo. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/debaslide-180129122014-thumbnail.jpg?width=120&height=120&fit=bounds" /> Genetically engineered immune cells are saving the lives of cancer patients. Precise Gene Editing in Plants. DNA-editing breakthrough could fix 'broken genes' in the brain, delay ageing and cure incurable diseases The Genetic engineering could slow aging, reverse blindness. The genetic engineering that could change humanity. Chinese researchers have genetically modified a human embryo.

Recent Breakthroughs in Genetic Engineering from Samar Biswas

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0 Technology of Biogas Production /slideshow/technology-of-biogas-production/86849096 biogas-1-180129121708
Clean, efficient source of renewable energy (1) Made from organic waste Produces methane Anaerobic digestion (2) Replaces non-renewable energy Digested in an airtight container]]>
Clean, efficient source of renewable energy (1) Made from organic waste Produces methane Anaerobic digestion (2) Replaces non-renewable energy Digested in an airtight container]]> Mon, 29 Jan 2018 12:17:08 GMT /slideshow/technology-of-biogas-production/86849096 SamarBiswas3@slideshare.net(SamarBiswas3) Technology of Biogas Production SamarBiswas3 Clean, efficient source of renewable energy (1) Made from organic waste Produces methane Anaerobic digestion (2) Replaces non-renewable energy Digested in an airtight container <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/biogas-1-180129121708-thumbnail.jpg?width=120&height=120&fit=bounds" /> Clean, efficient source of renewable energy (1) Made from organic waste Produces methane Anaerobic digestion (2) Replaces non-renewable energy Digested in an airtight container

Technology of Biogas Production from Samar Biswas

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0 FERMENTATION OF ALCOHOL /slideshow/fermentation-of-alcohol/86848864 alcoholfermentation-180129121108
Alcoholic fermentation, also referred to as, Ethanol fermentation, is a biological process in which sugars such as glucose, fructose, and sucrose are converted into cellular energy and thereby produce ethanol and carbon dioxide as metabolic waste products. Because yeasts perform this conversion in the absence of oxygen ethanol fermentation is classified as anaerobic.]]>
Alcoholic fermentation, also referred to as, Ethanol fermentation, is a biological process in which sugars such as glucose, fructose, and sucrose are converted into cellular energy and thereby produce ethanol and carbon dioxide as metabolic waste products. Because yeasts perform this conversion in the absence of oxygen ethanol fermentation is classified as anaerobic.]]> Mon, 29 Jan 2018 12:11:08 GMT /slideshow/fermentation-of-alcohol/86848864 SamarBiswas3@slideshare.net(SamarBiswas3) FERMENTATION OF ALCOHOL SamarBiswas3 Alcoholic fermentation, also referred to as, Ethanol fermentation, is a biological process in which sugars such as glucose, fructose, and sucrose are converted into cellular energy and thereby produce ethanol and carbon dioxide as metabolic waste products. Because yeasts perform this conversion in the absence of oxygen ethanol fermentation is classified as anaerobic. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/alcoholfermentation-180129121108-thumbnail.jpg?width=120&height=120&fit=bounds" /> Alcoholic fermentation, also referred to as, Ethanol fermentation, is a biological process in which sugars such as glucose, fructose, and sucrose are converted into cellular energy and thereby produce ethanol and carbon dioxide as metabolic waste products. Because yeasts perform this conversion in the absence of oxygen ethanol fermentation is classified as anaerobic.

FERMENTATION OF ALCOHOL from Samar Biswas

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0 Postharvest Management of Banana /slideshow/postharvest-management-of-banana/86848727 bananapostharvest-180129120706
Cleaning refers to chlorine washing of the banana fruit for the removal of undesirable material including latex, chemicals, adhering soil particles along with the microorganisms carried by the soil. Sorting in banana would refer to removal of overripe, injured, bruised, rotten, diseased, infected and cut fruits. Grading in banana fruit would refer to categorization of fruits based on number & size of fingers in each hand. ]]>
Cleaning refers to chlorine washing of the banana fruit for the removal of undesirable material including latex, chemicals, adhering soil particles along with the microorganisms carried by the soil. Sorting in banana would refer to removal of overripe, injured, bruised, rotten, diseased, infected and cut fruits. Grading in banana fruit would refer to categorization of fruits based on number & size of fingers in each hand. ]]> Mon, 29 Jan 2018 12:07:06 GMT /slideshow/postharvest-management-of-banana/86848727 SamarBiswas3@slideshare.net(SamarBiswas3) Postharvest Management of Banana SamarBiswas3 Cleaning refers to chlorine washing of the banana fruit for the removal of undesirable material including latex, chemicals, adhering soil particles along with the microorganisms carried by the soil. Sorting in banana would refer to removal of overripe, injured, bruised, rotten, diseased, infected and cut fruits. Grading in banana fruit would refer to categorization of fruits based on number & size of fingers in each hand. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/bananapostharvest-180129120706-thumbnail.jpg?width=120&height=120&fit=bounds" /> Cleaning refers to chlorine washing of the banana fruit for the removal of undesirable material including latex, chemicals, adhering soil particles along with the microorganisms carried by the soil. Sorting in banana would refer to removal of overripe, injured, bruised, rotten, diseased, infected and cut fruits. Grading in banana fruit would refer to categorization of fruits based on number & size of fingers in each hand.

Postharvest Management of Banana from Samar Biswas

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0 Recent Advances in Transgenic Orchid Production /SamarBiswas3/recent-advances-in-transgenic-orchid-production recentadvances-180129120214
In Classical breeding techniques, selection process is time consuming. Manipulation of specific floral traits and other desirable characteristics by conventional sexual hybridization methods is also practically impossible. In the past decade, researchers have used molecular genetic techniques to revolutionize orchid biotechnology. Employs gene transformation systems coupled with rapid selection and regeneration methods for the production of new orchid varieties with the desired traits. ]]>
In Classical breeding techniques, selection process is time consuming. Manipulation of specific floral traits and other desirable characteristics by conventional sexual hybridization methods is also practically impossible. In the past decade, researchers have used molecular genetic techniques to revolutionize orchid biotechnology. Employs gene transformation systems coupled with rapid selection and regeneration methods for the production of new orchid varieties with the desired traits. ]]> Mon, 29 Jan 2018 12:02:13 GMT /SamarBiswas3/recent-advances-in-transgenic-orchid-production SamarBiswas3@slideshare.net(SamarBiswas3) Recent Advances in Transgenic Orchid Production SamarBiswas3 In Classical breeding techniques, selection process is time consuming. Manipulation of specific floral traits and other desirable characteristics by conventional sexual hybridization methods is also practically impossible. In the past decade, researchers have used molecular genetic techniques to revolutionize orchid biotechnology. Employs gene transformation systems coupled with rapid selection and regeneration methods for the production of new orchid varieties with the desired traits. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/recentadvances-180129120214-thumbnail.jpg?width=120&height=120&fit=bounds" /> In Classical breeding techniques, selection process is time consuming. Manipulation of specific floral traits and other desirable characteristics by conventional sexual hybridization methods is also practically impossible. In the past decade, researchers have used molecular genetic techniques to revolutionize orchid biotechnology. Employs gene transformation systems coupled with rapid selection and regeneration methods for the production of new orchid varieties with the desired traits.

Recent Advances in Transgenic Orchid Production from Samar Biswas

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0 Orchid breeding: Recent advances in biotechnology /slideshow/orchid-breeding-recent-advances-in-biotechnology/86848242 orchidbreeding-180129115154
This slide related to orchid breeding technique through biotechnological method that used in the recent year for higher scale orchid production with better quality.]]>
This slide related to orchid breeding technique through biotechnological method that used in the recent year for higher scale orchid production with better quality.]]> Mon, 29 Jan 2018 11:51:54 GMT /slideshow/orchid-breeding-recent-advances-in-biotechnology/86848242 SamarBiswas3@slideshare.net(SamarBiswas3) Orchid breeding: Recent advances in biotechnology SamarBiswas3 This slide related to orchid breeding technique through biotechnological method that used in the recent year for higher scale orchid production with better quality. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/orchidbreeding-180129115154-thumbnail.jpg?width=120&height=120&fit=bounds" /> This slide related to orchid breeding technique through biotechnological method that used in the recent year for higher scale orchid production with better quality.

Orchid breeding: Recent advances in biotechnology from Samar Biswas

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0 https://public.slidesharecdn.com/v2/images/profile-picture.png https://cdn.slidesharecdn.com/ss_thumbnails/controlofpollutionbygeneticallyengineeredmicroorganisms-190828103514-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/control-of-pollution-by-genetically-engineered-microorganisms/167109291 Control of pollution b... https://cdn.slidesharecdn.com/ss_thumbnails/botanicals-180708162651-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/present-status-and-prospect-of-botanicals-in-plant-disease-control/104840802 PRESENT STATUS AND PRO... https://cdn.slidesharecdn.com/ss_thumbnails/setu-180708145703-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/farmers-knowledge-on-adverse-effect-of-using-agrochemicals/104834464 FARMERS’ KNOWLEDGE ON ...