Author(s):

Akash Kumar and HK Singh

Abstract: Field experiment was conducted during the year 2019-2020 on Cultivar ‘Gola’ to assess the efficacy of different fungicides for management of leaf spot of ber caused by Alternaria alternata. The crop was regularly monitored for the first appearance of disease. The minimum per cent disease intensity (14.00%) maximum disease control (76.67%) and maximum fruit yield (123.62q/ha) was recorded in Tebuconazole 25% + Trifloxistrobin 50% WG followed by Azoxystrobin 18.2% + Difeconazole 11.4% SC (16.80%, 72.50%, 112.65q/ha); Carbendazim 12% + Mancozeb 63% WP (20.75%, 65.42%, 109.66q/ha); Tebuconazole 25 EC (21.90%, 63.50%, 106.80q/ha), Propiconazole 25 EC (23.30%, 61.17%, 101.20q/ha), respectively after third spray. The Cost of production, gross income, net return and C: B ratio was maximum in Tebuconazole 25% + Trifloxystrobin 50% WG (Rs. 494480, Rs. 86611 ha^-1, Rs. 407869, 1:4.70), followed by Azoxystrobin 18.2% + Difeconazole 11.4% SC (Rs. 450600, 86111 ha^-1, Rs. 364489, 1:4.23), respectively.

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