Vol. 9 No. 2
Evaluation of integrated pest management modules in rice ecosystem
Author(s): V. VISALAKSHMI, P. R. MOHANA RAO AND N. H. SATYANARAYNA
Abstract: Three modules were evaluated against conventional farmers\' practice to manage pest problems in rice at farmers field of Ragolu village, Srikakulam, Andhra Pradesh during kharif 2008 and 2009. Module III comprising of application of carbofuran 3G @ 1 kg a.i/ha in nursery, pheromone trap with 5 mg lure @ 20 per hectare and field releases of Trichogramma chilonis @ 1,00,000 t ha-1 five times from 15 days after transplanting at ten days interval found good with low incidence of stem borer (3.26 to 6.78% dead hearts, 5.56 to 7.40% white ears and 5.61 to 8.20% silver shoots) with highest grain yield of 5.89 t ha-1 during 2008 and 5.95 t ha-1 during 2009 with cost benefit ratios of 1:2.38 and 1:3.77 during 2008 and 2009 respectively.
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