Cultivation of paddy which also describes us about the area & production of rice as well as Paddy with the important crop pest & diseases along with Taxonomy.
2. Taxonomy
Scientific Name – Oryza sativa
Family – Poaceae (Gramineae)
Chromosome No. – 2n=24
Origin – Indo-Burma region (South East
Asia)
Oryza hava 24 speciesin which 2 are cultivated
1- Oryza sativa (3 races)
Indica – India (Tropical & Sub Tropical)
Japonica – Japan (Temperate & Sub tropical)
Javanica / Balu rice – Indonesia
2- Oryza glaberrima – is grown only in West Africa
3. Area & Production
Globally
Area: India > China > Indonesia
Production: China > India > Indonesia
Productivity: USA > Japan > China
In India
Area: West Bengal > UP > Bihar
Production: West Bengal > UP > Andra Pradesh
Productivity: Productivity: Punjab (34 q/ha)