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The efficacy and economics of different IGR's, insecticides and bio-rational against Spodoptera litura (Fabr.) in soybean, revealed that at three days after first and second sprays the rynaxypyr (64.52%) and emamectin benzoate (58.84% reduction) respectively proved to be the most effective. At seven days more percent reduction in larval population found in chlorpyriphos (53.76 %) and quinalphos (58.59%) where as at 14 days the diflubenzuron (59.72%) and quinalphos (53.42%) found to be the more effective after first and second sprays respectively. Significantly higher seed yield was recorded in rynaxypyr 20 SC followed by spinosad 45SC. The highest gross income and net profit was recorded in rynaxypyr 20 SC.

Field experiments were conducted during Kharif 2010-2011 and 2011-12, at the field of College of Agriculture, Marathwada Krishi Vidyapeeth, Parbhani (Maharashtra). Twenty two germplasm were screened for tolerance against major insect pests of soybean. During 2010 Genotypes DSb 16 (2199.1kg/ha) with the highest yield under unprotected conditions was considered as tolerant check. Among the entries tested, two entries viz., SL-799, DSb-16 and three checks JS 93-05, JS-335 and MAUS-158 were categorized as high yielding entries. During 2011, the per cent yield loss in different genotypes ranged from 14.35 (PS 1466) to 61.56 (JS 97-52). Under protected and unprotected conditions yield obtained from JS 93-05 (1621.31 kg/ha) to DS 12-13 (2526.61 kg/ha) and from PS 1466 (1089.65 kg/ha) to DSb 16 (2199.06 kg/ha). Among the entries PS-1466 categorized as resistant high yielding entry. How to view point the article : Motaphale, A.A., Bhosle, B.B. and Khan, F.S. (2016). Screening of germplasm for tolerrance against major stem pests of soybean.

Among all biopesticides, the maximum spider population was noted in the plots treated with biomix 0.3% which was at par with LAMIT 0.6%, eucalyptus oil 0.2%, and karanj oil 0.5%. These were followed by verticilium lecanii 0.4%, beauveria bassiana 0.4%, NSKE 5%, neem oil 0.2%, dashparni ark 0.6% and metarhizium + beauveria bassiana 0.4%. The lowest population was observed in emamectin benzoate 5 SG and thiamethoxam 25 WG. The untreated control recorded significantly highest spider population among all treatments.