Evaluation of IPM modules on soybean defoliators and leaf miner
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Keywords:IPM modules, defoliators, Spodoptera litura, semilooper, leaf miner, economics
The field experiments were conducted during Kharif season of the year 2009 and 2010 to study the influence ofÂ different IPM modules on incidence of Spodoptera litura, semilooper and Aproaerema modicella Deventer onÂ soybean at Department of Entomology, Marathwada Krishi Vidyapeeth, Parbhani (Maharashtra, India). TheÂ experiment comprising MAU IPM modules, NRCS IPM module, BIPM module, chemical control and untreatedÂ control was laid out in randomized block design with four replications. The results based on pooled data revealedÂ significantly minimum per cent defoliation in MAU module (12.7 %) followed by NRCS module(13.7 %) andÂ chemical control treatment (13.9 %) which were found at par with each other and significantly superior overÂ BIPM module and untreated control. However, the next best module was BIPM (16.2 %) which was found to beÂ statistically significant over untreated control. Significantly minimum per cent leaflet damage due to leaf minerÂ was observed in MAU module (8.2 %) followed by NRCS module (8.8 %) and chemical control treatment (9.2 %).Â The highest I.C.B.R. 1:4.91 was obtained in MAU IPM module, followed by NRCS IPM module (1:4.73) andÂ chemical control (1:3.71).
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