About Lesson
Viral disease in vegetables and their vectors
Cowpea
a) Yellow mosaic: Transmitted by Aphids
b) Southern bean mosaic: Cow pea strain
Bitter gourd
a) Witches broom: transmitted by leaf hopper
Brinjal
a) Mosaic : transmitted by Aphid
b) Little leaf: transmitted by leaf hopper
Cucumber:
a) Mosaic: transmitted by Aphid
b) Green mottle mosaic : transmitted by seeds
Okra
a) Yellow vein mosaic : transmitted by white fly
Leaf curl: transmitted by white fly
Mosaic I and II : transmitted by aphid