Blue disease of cotton is transmitted by

A. Aphids

B. Thrips

C. Jassids

D. Red cotton bug

Answer: Option A

Solution(By Examveda Team)

Blue disease of cotton is transmitted by Aphids.
Cotton blue disease, also known as cotton leafroll disease, is caused by Cotton leafroll dwarf virus and can result in severe stunting of cotton plants.
The virus is transmitted between susceptible cotton varieties by cotton aphids (Aphis gossypii).