This document discusses tobacco, including its family, genus, species, key cultivated species of Nicotiana tabacum and Nicotiana rustica, characteristics such as being self-pollinating and having 48 chromosomes, production of leaves on an erect stem, and global economic importance of tobacco production.
2. Tobacco
Family - Solanaceae
Genus - Nicotiana
Total Species - 76
Cultivated Species - Two
Nicotiana tabacum
Nicotiana rustica
N. tabacum occupies >90% irrespective of types
Though perennial, Grown as annual crop
Self pollinated
Chromosome number (2n) - 48
Seed Count :10,000-13,000 per Gram
Leaves produced on a single erect stem with terminal inflorescence