Efficacy of fungicides against early blight of Tomato caused by Alternaria solani
2014
, Dushyant | Khatri, N.K. | Prasad, Jagdish | Maheshwari, S.K.
Five fungicides viz, chlrothalonil 75% WP, mancozeb 63% WP, iprodione + carbendazim 25+25 WP, metalaxyl + mancozeb 72% WP and carbendazim + mancozeb 12+63% WP were tested and of which carbendazim + mancozeb (91.1%) was most inhibitory for mycelial growth of Alternaria solani followed by mancozeb (85.5%) at 300 ppm. Management of early blight was better with increase in concentration of fungicides under field conditions. The minimum disease intensity was 8.2% with carbendazim + mancozeb @ 0.2% conc. followed by 11.4% with mancozeb @ 0.2%, 15.2% with iprodione + carbendazim 0.2%, 18.4% with metalaxyl + mancozeb 0.2% and 20.8% chlorothalonil 0.2% in field.
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