What is the problem of this crop?. Actually this problem is facing after raining day.1.On the younger stage plants.2.On the maturity stage picking the onion means there is no roots and inside of the onion WORMS are there...

Hi Tamil Kanth S. It seems to be like Fusarium Wilt . Click on green link for checking symptoms and taking control measures from Plantix library.

And one more question.pls give me the chemical control agent, chemical formula,brand name of chemical

Suresh Gollar can you please tell me your designation??

As a part of my project in pathology i would like to mention your name in acknowledgement section