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Management of mungbean yellow mosaic disease and effect on grain yield Akram Mohd*, Naimuddin Division of Crop Protection, Indian Institute of Pulses Research, Kanpur-208 024, Uttar Pradesh, India *E mail: akram23859@gmail.com
Online published on 19 July, 2016. Abstract Results of an experiment aimed at reducing the yellow mosaic disease (YMD) and increasing the grain yield of mungbean cv. T44 carried out in 2012 involving nine treatments indicated that none of them was effective in reducing the incidence of YMD significantly, but three treatments viz., foliar sprays of an insecticide, Nurelle D 505 consisting of 50% chlorpyriphos and 5% cypermethrin @0.1% at 15 and 45 days after sowing, seed treatment with imidacloprid 17.8SL @5ml/kg seeds and seed treatment with Trichoderma @ 6g/kg were effective in increasing the grain yield. Efficacy of these treatments and their different combinations were tested during Kharif season of subsequent years, 2013 and 2014. The YMD incidence was relatively higher during Kharif 2013 ranging between 22.79–31.59% as compared to 11.92–13.08% in different treatments during Kharif 2014. Treatments did not result in reduction of YMD but increased grain yield. The best treatment was seed treatment with imidacloprid 17.8SL @ 5ml/kg seeds + two foliar sprays with Nurelle D505 @0.1% at 15 and 45 days after sowing as it resulted in highest grain yield of 666.7kg/ha in 2013 and 753.96 kg/ha in 2014 as compared to 300kg/ha and 575kg/ha in control during corresponding years. Based on three years experimentation, treatment involving seed treatment with imidacloprid 17.8SL @5ml/kg seeds and two foliar sprays with an insecticide consisting of 50% chlorpyriphos and 5% cypermethrin @0.1% at 15 and 45 days after sowing showed statistically significant enhancement of grain yield of mungbean cv. T44, hence this treatment is recommended for getting maximum yield advantage. Top Keywords Seed priming, YMD, treatment, chemical, yield, MYMIV. Top | |
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