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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 2020-2025
DOI: https://doi.org/10.20546/ijcmas.2019.806.240


Assessment of Avoidable Yield Losses Due to Lipaphis erysimi Kalt in Various Brassica spp.
Deepak Sharma1*, S.P. Yadav2 and Sunita Yadav3
1Department of Entomology, CCS Haryana Agricultural University, Hisar-125004 (Haryana), India
2Regional Research Station, CCS Haryana Agricultural University, Rohtak-124004 (Haryana), India
*Corresponding author
Abstract:

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.


Keywords: Aphid, Brassica, yield, losses, oil content
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How to cite this article:

Deepak Sharma, S.P. Yadav and Sunita Yadav. 2019. Assessment of Avoidable Yield Losses Due to Lipaphis erysimi Kalt in Various Brassica spp.Int.J.Curr.Microbiol.App.Sci. 8(6): 2020-2025. doi: https://doi.org/10.20546/ijcmas.2019.806.240