Evaluation of Selected Systemic and Non Systemic Fungicides In Vitro and In Vivo condition against Web Blight Disease of Urd Bean caused by Rhizoctonia solani KuhnJournal: The Journal of AgriSearch (JAS) (Vol.1, No. 1)
Publication Date: 2014-03-27
Authors : SANTOSH KUMAR; HS TRIPATHI; DEEPAK SINGH;
Page : 45-48
Keywords : Web blight; Rhizoctonia solani; urd bean; fungicides;
Six fungicides were tested at different concentration in in vitro and in vivo for the management web blight of urd bean. Tilt, contaf, and bavistin were screened against R. solani at 1.0, 5.0, 10.0, 15.0 and 20.0ppm concentrations for their antifungal activity where as captaf, sulphur, and mancozeb at 1.0, 25.0, 50.0, 100.0 and 400.0ppm concentrations, respectively. At 15ppm concentration bavistin (0.1%), tilt (0.1%) completely checked the growth of the fungus. Based on effectiveness of fungicides in vitro, they were further tested under in vivo conditions. Bavistin @ 0.1% applied as seed treatment followed by foliar spray showed lowest disease severity, highest grain yield as well as maximum 1000 grain weight followed by tilt @ .1 per cent.
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