International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:4, April, 2019

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(4): 1648-1653

Effect of Weather Parameters on Population Dynamics of Mustard Aphid
Sevak Das1*, D.N. Tejani2, J.C. Patel1, A.G. Desai2 A.I. Desai1 and G.P. Gangwar2
1Department of Agricultural Meteorology, C. P. College of Agriculture
2Castor-Mustard Research Station, S. D. Agricultural University, Sardarkrushinagar- 385 506, India
*Corresponding author

To assess the impact of weather parameters on mustard aphid, a field experiment was conducted during Rabi season 2011-12 to 2017-18 at Main Castor-Mustard Research Station, S.D. Agricultural University, Sardarkrushinagar. The experiment was laid down in randomized block design consisting five varietal treatments viz. BSH-1, GSC-6, T-27, GS-1 and GDM-4 with three replications. The crop was sown during 24th – 30th Sept as timely sown crop and 15th – 21st Oct as late sown crop. The results revealed that the maximum incidence of aphid was observed in late sown crop as compared to early sown crop. The correlation study between aphid population and weather parameters revealed that the maximum temperature (Tmax), minimum temperature (Tmin) and growing degree days (GDD) had significant negative correlation with aphid population. Morning relative humidity, evening relative humidity, sunshine hours and wind speed did not have significant correlation with aphid population. The regression models were developed with Tmax and GDD could explain 72 to 87 percent variation in aphid population in different cultivars.

Keywords: Aphid, Mustard and weather

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How to cite this article:

Sevak Das, D.N. Tejani, J.C. Patel, A.G. Desai, A.I. Desai and Gangwar, G.P. 2019. Effect of Weather Parameters on Population Dynamics of Mustard Aphid.Int.J.Curr.Microbiol.App.Sci. 8(4): 1648-1653. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.