noun
or big vein disease
: a soil-borne virus disease of lettuce characterized by strikingly enlarged light-yellow leaf veins and more or less stunting of the plants
noun
or big vein disease
: a soil-borne virus disease of lettuce characterized by strikingly enlarged light-yellow leaf veins and more or less stunting of the plants
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012