Management of Sigatoka leaf spot disease of banana caused by Mycosphaerilla musicola

C. H. RUTH, T. NAGALAKSHMI

Abstract


Afield experiment was conducted during 2012-2014 to find out the effect of five fungicides viz., propiconazole
0.1 %,mancozeb 75WP@0.2%, difenconazole 25% EC@0.1%,mancozeb + carbendazim (0.1%) and Tebuconazole 50% +
Trifloxystrobin 25% WG @0.5 g/L alone and in combination with mineral oil 1% for the management of Sigatoka leaf spot
disease of banana caused by Mycosphaerilla musicola. Among all the eleven treatments tested, four sprays of combination
of mineral oil 1% + tebuconazole 50% + trifloxystrobin 25% WG @0.5 g/l with the onset of the disease at 30 days interval
was proved to be effective and resulted the lowest per cent disease index (16.12%) compared to control (30.18%). This
treatment also gave a fairly good benefit: cost (B: C) ratio of 1:1.62 with highest yield (53.30t/ha).


Keywords


Banana, Sigatoka leaf spot, Mycosphaerilla musicola, management

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