Survey and collection of soybean wilt in Chhattisgarh

Abstract

The intensive roving survey was conducted during kharif 2016-17 and 2017-18 to record the incidence of wilt in major soybean growing district of Chhattisgarh i.e. Raipur, Bemetara, Kabirdham, Rajnandgaon and Durg. Among the five district, twenty two locations (Dharsiwa, Ranka, Jaibra, Bemetara, Saigona, Kanhera, Kodia, Patharra, Chorbhatti, Chimagondi, Maharajpur, Lohara, Udiya Khurd, Ataria, Narmada, Kanhar, Salebharri, Bhulatola, Parpondi, Basni, Pendri and Rajpur. Observations were recorded from farmer’s fields under natural condition. Disease incidence ranged from 30 to 60 per cent during the year 2016-17 with average of (42.63%). The maximum percent of disease incidence (60%) was observed in Jaibra, followed by Chorbhatti (55.30%). The lowest percent of incidence was found in Bemetara and Basni (30.00%). The average percent disease incidence in different soybean growing areas of Chhattisgarh was about 42.63%. During kharif 2017-18. less disease incidence was recorded on compared to the previous year crop. It ranged from 15 to 25.10 percent with average disease incidence of 19.12 percent as compared to the last year’s average (42.63%). The maximum percent of disease incidence (25.10%) was observed in Ataria followed by Jaibra (25.00%), Bemetara and Parpondi recorded the minimum wilt incidence (15.00%).