Late blight of Potato
Late blight of Potato

LATE BLIGHT OF POTATO

Disease - Late blight

Causal organism - Phytopthora infestans

Symptoms - In this, there are brown violet spots on leaves and stems are found. When the disease progresses, this rottenness gets to the tubers. 95% loss of the crop in our country is due to the late blight disease.

Control - For its prevention, it is beneficial to spray 3-5 times of 0.5% solution of dithane z-78 or dithane m-45. When the weather is cold and humid, spraying can be done even after seven days.

I.D.M. - Resistant varieties should be grown. Use only healthy and treated seeds. When giving more nitrogen in the crop, then there is a chances of spreading late blight disease.


Author: None