Biplaw Kumar Gupta

Tobacco Biology

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

Introduction

Economic Importance

Tobacco Production Worldwide

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