Cultivation of rice (paddy)

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.

1. Taxonomy Cultivation Insect & Pest Diseases Nutrient Deficiency Important Points Rice (Paddy)

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)

4. INSECT NURSERY INSECT Aphid Green leaf hopper Rice case worm Paddy stemborer Swarming caterpillar Stenchaetothrips biformis Nephotettix virescens Nymphula depunctalis Scirpophaga incertulas Spodoptera mauritia  

5. MAIN FIELD PEST Paddy stem borer - Gall midge   - Swarming caterpillar - Rice skipper - Leaf folder / Leaf roller - Rice horned caterpillar - Yellow hairy caterpillar - Grasshopper - Short horned grasshopper - Scirpophaga incertulas Orseolia oryzae   Spodoptera mauritia Pelopidas mathias Cnaphalocrocis mainsails / Marasmia patnalis Melanitis ismene Psalis pennatula Hieroglyphus banian Oxya nitidula

6. Green leaf hopper - Brown Plant leaf hoppeer - White Backed plant hopper - Mealy bug - Rice ear-head bug - Thrips - Spiny beetel / Rice hispa - Whorl maggot - Nephotettix virescens Nilaparvata lugens Sogatella furcifera Brevennia rehi Leptocorisa acuta Stenchaetothrips biformis Dicladispa armigera Hydrellia sasakii

7. DISEASE FUNGAL DISEASE Blast - Brown spot - Sheath rot - Sheath blight - False smut - Udbatta disease - Stackburn Disease - Kernel Smut / Black smut / Bunt - Stem rot - Pyricularia oryzae Helminthosporium oryzae Sarocladium oryzae Rhizoctonia solani Ustilaginoidea virens Ephelis oryzae Trichoconis padwickii Tilletia barclayana / T. horrida Sclerotium oryzae

8. Leaf scald - Foot rot / Bakanae - disease Grain discolouration - Microdochium oryzae Fusarium moniliforme Drechslera oryzae , D. rostratum , D. tetramera , Curvularia lunata , Trichoconis padwickii , Sarocladium oryzae , Alternaria tenuis , Fusarium moniliforme , Cladosporium herbarum , Epicoccum purpurascens , Cephalosporium sp. , Phoma sp. , Nigrospora sp.

9. BACTERIAL DISEASE Bacterial leaf blight Bacterial leaf streak Xanthomonas oryzae pv . Oryzicola Xanthomonas oryzae pv . Oryzicola

10. Rice Tungro Disease (RTD) Rice tungro bacilliform virus(RTBV) & Rice tungro spp. Leaf Hopper Nephotettix virescens Rice Grassy stunt disease Rice grassy stunt tenuvirus Brown Leaf hopper Nilaparvata luqens Rice dwarf Rice dwarf virus Nephotettix cincticeps , Reclia dorsalis , N. niqropictus Rice raggged stunt disease Rice ragged stunt virus Brown Plant hopper Nilaparvata luqens VIRAL DISEASE TRANSMITTED BY

11. Thank you Made by : Arpit Jangid & Amrita Sharma