3. β’αα ααΆαα’αααααΆαα·αααΎαααΈααΆαααΆαααΌααααααααΈ (UPOV :
International Union for the Protection of New Varieties
Of Plantsα
β’ααΈααΆααααααααααααΆααααααααααα·ααααΆααααααααΆααααΌααααα
(AOSCA : Association of official Seed Certifying
Agencies)α β’α’ααΆααΆαααααΆααααα αααα·αααα·ααΆααααααα·αα αα·α α’αα·ααααα
ααααααααΆααααΌααααα(OECD:Organization for Economic
Co-operation And Development Seed Schemes)α β’αααΆααααααααααααΆααααΌαααααα’αααααΆαα· ( ISTA : International Seed Testing Association )α β’α’ααΆααΆααααααα’αΆα αΆα αα·αααα·αααααα’ααΆααΆααα ααααΆ
ααΆαα· (FAO : Food and Agriculture Organization of United Nation)α
18. οΆααΆααααααΆααααααΎα (multiple crossing) ααΆαα·ααΈαααααααα½α
αααααααααααΌαα²ααααΆαα α
οΌααΆααααααΆαααααΆαααααΆααΈα : A ο² B
οΌααΆααααααΆαααα»ααααΆαα·ααΌααα ααααΆααααααΆαααΆαα½αααΌαααΈααΈα
(A ο² B) ο² C α«
οΌααΆααααααΆααααΌααα ααααΆααααααΆαααΆαα½αααΌααα ααααααΆ
ααααααααα (A ο² B) ο² (C ο² D)
ο±αα·ααΈαααααααααααααΌαααΆαα’αα»ααααααΎαααΈααααααΌαααααα
αα»αααΆααα’αααααΈααααΆαααααα