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Field evaluation of selected botanicals and fungicides for the management of alternaria blight of cluster bean

Cluster bean [Cyamopsis tetragonoloba (L.)Taub.] is an important arid legume crop. It is commonly called as Guar. Cluster bean is grown for different purposes viz., vegetable (pods), green fodder, green manure, straw, guar gum, seed production, cattle fodder and increase soil fertility (Yogi et al., 2016).effect of different weather parameters on disease development and effective management of the disease through plant extracts and fungicides. In field study, the efficacy of laboratory effective treatments was again evaluated. Allium cepa(bulb extract) showed minimum per cent disease intensity against Alternaria blight disease on leaves with maximum yield (26.66 q/ha) of Cluster bean. | Int.J.Curr.Microbiol.App.Sci 2020 9 7 1045-1053 International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 9 Number 7 2020 Journal homepage http www.ijcmas.com Original Research Article https doi.org 10.20546 ijcmas.2020.907.122 Field Evaluation of Selected Botanicals and Fungicides for the Management of Alternaria Blight of Cluster Bean Satish Sharma Reeti singh and Ajay Kumar Department of Plant Pathology-College of Agriculture R.V.S.K. V.V. Gwalior M.P India Corresponding author ABSTRACT Cluster bean Cyamopsis tetragonoloba L. Taub. is an important arid legume crop. It is commonly called as Guar. Cluster bean is grown for different purposes viz. vegetable pods green fodder green manure straw guar gum seed production cattle fodder and Keywords increase soil fertility Yogi et al. 2016 .effect of different weather parameters on disease development and effective management of the disease through plant extracts and Alternaria fungicides. In field study the efficacy of laboratory effective treatments was again cucumerina var. evaluated. Allium cepa bulb extract showed minimum per cent disease intensity against cyamopsidis Alternaria blight disease on leaves with maximum yield 26.66 q ha of Cluster bean. The Botanical maximum PDI and minimum yield 15.44 q ha of cluster bean was showed by Fungicide Cassiatora. Carbendazim Mancozeb combination showed the minimum PDI 14.50 after management 75 DAS against Alternaria blight disease of A. c. var.cyamopsidis on the leaves and Article Info maximum yield 26.33 q ha was obtained by this combination. In-vivo all the botanicals significantly reduced the per cent disease intensity of Alternaria blight of Cluster bean. Accepted Among the foliar applied botanicals A. cepa and fungicide Carbandazim Mancozeb 11 June 2020 were found best insignificantly reducing the Alternaria blight disease. In the field study Available Online 10 July 2020 Allium cepa leaf extract @ 20 concentration and Carbendazim 0.1 .