Browsing by Author "Anuradha, M."

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    Integrated Approach in the Management of Corn Cob Borers
    (Badan Penelitian dan Pengembangan Pertanian, 2013) Anuradha, M.; R. Ranga Reddy; D. Srilatha
    An experiment was conducted in farmers field in Tenali village, Guntur District of Andhra Pradesh, India during winter 2010-11 and 2011-12 to evaluate three modules in 3500 sq.m area each against cob borer complex whose incidence was found to be higher in corn (hybrid- 30V92) grown in rice fallows under no-till condition. First module comprised of soil application of Carbofuran 3G @ 8 kg/ac, spraying of Chlorantriniliprole 20 SC @ 60 ml/ac, pheromone traps with Helilure @ 6/ac & with Litlure @ 6/ac at silking stage. Second module comprised of soil application of Chlorantriniliprole 0.4 G @ 4 kg/ac, spraying of Flubendiamide 480 SC @ 30 ml/ac, pheromone traps with Helilure @ 6/ac & with Litlure @ 6/ac at silking stage. These two modules were compared with the farmers practice (third module) where in no control measures were adopted. Data on percent damaged cobs, undamaged cobs and insect-wise damaged cobs were recorded randomly in all modules at grain hardening stage. Data was subjected to one way analysis. Among the two modules, first module was found to be more effective than the second one with 74.39% and 55.82% undamaged cobs, respectively. Both modules were effective than the untreated control (31.86% undamaged cobs). Cobs with live larvae of Spodoptera litura, Sesamia inferens, Helicoverpa armigera and Euproctis sp in the first module was 3.46%, 9.86%, 1.42% and 0.04% respectively compared to 12.65%, 16.02%, 8.25% and 1.95% respectively in control.