National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Present field studies were conducted during the Rabi season of year 2015-16 at Regional Research Station, Rohtak (Haryana), India, to assess the yield losses due to mustard aphid in various Brassica spp. (B. juncea, B.napus and B. rapa) sown under early and late sown conditions. The avoidable losses in terms of seed yield varied from 9.26 to 17.48 per cent, found lowest (9.26%) in HNS 0901 whereas, highest (17.48%) in BSH 1 under timely sown conditions. These losses ranged from 20.11 to 32.62 per cent under late sown conditions, found lowest (20.11%) in HNS 0901 although highest (32.62%) in BSH 1. The avoidable oil content losses in all three Brassica spp. were ranged from 3.38 to 6.34 per cent, found lowest (3.38%) in RH 0749 however, highest (6.34%) in BSH 1 under timely sown conditions. These losses in oil content varied from 4.92 to 8.14 per cent, found lowest (4.92%) in RH 0749 however, highest (8.14%) in BSH 1 under late sown conditions. Germination percentage was not significantly affected by the mustard aphid in all three Brassica species.
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