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Three botanicals viz. Neem (Azadirachta indica), Garlic (Allium sativum), Onion (Allium cepa) and a chemicals carbendazim(treated) were used in vivo (in field) at 10 per cent and 0.1% concentration. To check the disease intensity of web blight in mungbean. The minimum disease intensity and maximum disease control were recorded in garlic(value) followed by neem, onion, Trichoderma viride, T. harzianum as compared to treated and untreated check. The yield (value) and 100-seed weight were also recorded maximum in garlic (value) followed by neem, onion, Trichoderma viride, T. harzianum as compared to treated and untreated check. The avoidable loss in yield was recorded maximum in garlic followed by neem, onion, Trichoderma viride, T. harzianum as compared to treated and untreated check. The bio-agents Trichoderma harzianum and Trichoderma viride have been evaluated in field (0.5 % concentration spray) also. | Efficacy of botanicals and bio-agents against web blight in mungbean Vigna radiata L. Wilczek
