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An extensive survey was conducted in sugarcane reserved area under north Bihar during cropping season of 2017-18 to study the incidence and severity of disease. During survey, Pokkah boeng disease was observed which was ranged in between 1.1 and 21.2 per cent under different localities in sugarcane crop. In initial stage, the disease showed whitish, curling, twisting symptoms and bending of leaves from the top portion. During course of evaluation, two varieties namely CoSe 95422 and CoSe 92423 were found highly susceptible, five varieties (CoS 8436, Bo 156, Co 1148, Co 0238 and Co 01148) were moderate and remaining varieties were recorded with mild incidence of Pokkah boeng disease out of twenty two varieties of sugarcane. | Evaluation of sugarcane varieties against Pokkah Boeng disease and its natural occurrence
