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Estimation of crop losses due to grey mildew disease of cotton caused by Ramularia areola


Indian Phytopathology 45(1): 74-76
Estimation of crop losses due to grey mildew disease of cotton caused by Ramularia areola
During 1986-87 and 1987-88, losses of H-4 cotton due to R. areola were assessed under natural conditions in Akola, Maharashtra, India. Losses in boll bearing, boll size and yield of seed cotton were directly proportional to disease intensity. Heavy defoliation (92-99%), low boll bearing (13-16 bolls/plant), lowest boll wt (2.3-2.8 g/boll) and lowest yield (535.9 kg/ha) were recorded from untreated plots having severe disease intensity (43.1-46.6%).


Accession: 002373152



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