Author(s):

Rajendra Prasad Kashyap, Upendra Kumar Nag and Meghchand Dewangan

Abstract: Coriander (Coriandrum sativam L.) is one of the most important spice crops in India. The major constraints for low productivity are several biotic stresses viz., powdery mildew, root rot, termite and other sucking pests. Among them powdery mildew is an important disease. The powdery mildew disease caused by Erysiphe polygoni DC is one of the most destructive diseases of coriander causing severe losses in yield India is the leading country in the world for the production and consumption of seed spices and is recognized as a land of spices. The experiment was conducted during rabi 2003 with fifteen cultivars none were free from powdery mildew, the least intensity of the diseases was recorded in Jawahar Dhania-1 (20.83%) followed by CS-6 (21.67%), CO-2 (24.32%), UD-375 (24.81%) and G-5365 (25.56%). While the maximum intensity of the disease was recorded in CS-7 (56.56%) and it was significantly inferior over all other fourteen tested varieties.

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