National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
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. The maximum PDI and minimum yield (15.44 q/ha) of cluster bean was showed by Cassiatora. Carbendazim+Mancozeb combination showed the minimum PDI 14.50 after 75 DAS against Alternaria blight disease of A. c. var.cyamopsidis on the leaves and 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. Among the foliar applied botanicals (A. cepa) and fungicide (Carbandazim+Mancozeb) were found best insignificantly reducing the Alternaria blight disease. In the field study, Allium cepa leaf extract @ 20% concentration and Carbendazim (0.1 per cent) + Mancozeb (0.2 per cent) concentration were found very effective in reducing Alternaria blight and enhancing the yield of Cluster bean. The leaf extract of botanicals seems to be an alternate to the fungicides for an eco-friendly management of Alternaria blight disease.
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