Rice pests

Views:
 
Category: Education
     
 

Presentation Description

No description available.

Comments

Presentation Transcript

PowerPoint Presentation:

Rice Insect Pests

PowerPoint Presentation:

> 800 world ; >300 India ; 28 in Karnataka Thrips Rice green leafhoppers Yellow stem borer Case worm Rice leaf folders Brown planthopper (BPH) Rice ear-head bug Rice hispa Asian rice gall midge Major insect pests of rice Yield loss 10-15%

PowerPoint Presentation:

Rice area and productivity Region Area (M.’ha) Production ( MT) World 153.90 618.0 India 44.30 132.013 Karnataka 1.598 3.80 India ranks first in Area but 15 th in Productivity(3.01 t/ha) China :29.3 M.ha Productivity:6.26t/ha

Reasons for sever pest incidence :

Reasons for sever pest incidence Planting same varieties over intensive area Growing susceptible varieties Cultivating rice round the year High doses of Nitrogen Indiscriminate use of insecticides

PowerPoint Presentation:

Stenchaetothrips biformis

PowerPoint Presentation:

N.virescens N.nigropictus

PowerPoint Presentation:

Yellow stemborer: Scirpophaga incertulas

PowerPoint Presentation:

Mass trapping

PowerPoint Presentation:

Caseworm : Paraponyx stagnalis (Nymphula depunctalis )

PowerPoint Presentation:

Leaf roller Cnaphalocrocis medinalis

PowerPoint Presentation:

Hispa: Dicladispa armigera

PowerPoint Presentation:

Horned caterpillar : Melanitis leda ismene

PowerPoint Presentation:

Gall midge : Orseolia oryzae

PowerPoint Presentation:

Brown planthopper : Nilaparvata lugens

PowerPoint Presentation:

White BPH : Sogatella furcifera

PowerPoint Presentation:

Root knot nematode

authorStream Live Help