Population Dynamics of Soybean Girdler Beetle Obereopsis Brevis Swedenboard

Authors

  • S. C. Bokan Department of Agricultural Entomology, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431402, Maharashtra
  • P. R. Zanwar Department of Agricultural Entomology, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431402, Maharashtra
  • D. G. More Department of Agricultural Entomology, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431402, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2021.65

Keywords:

Soybean, Girdle Beetle, Oberopsis brevis, Population Dynamics, Correlation, Weather Factors, Bright Sunshine Hours, Wind Velocity, Crop Loss Assessment.

Abstract

Field experiments were conducted during kharif 2017 and 2018 at the farm of AICRP on Soybean, Vasantrao Naik Marathwada Krishi Vidyapeeth (VNMKV) Parbhani (Maharashtra) to evaluate the population dynamics of soybean girdler beetle Oberopsis brevis Swedenboard. The infestation got initiated in 30th and 31st meteorological week (MW) during both the years. At the time of physiological maturity peak infestation was observed during 40th and 41st MW. The infestation was observed to be significantly positively correlated with bright sunshine hours (2017) and negatively and significantly with wind velocity (2018). The losses caused by O. brevis was observed to be influenced by crop stages and infestation levels.

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Published

2021-10-27

How to Cite

Bokan, S. C. ., Zanwar, P. R., & More, D. G. . (2021). Population Dynamics of Soybean Girdler Beetle Obereopsis Brevis Swedenboard. Indian Journal of Entomology, 84(2), 473–474. https://doi.org/10.55446/IJE.2021.65

Issue

Volume 84, Issue 2, June 2022

Section

Research Communications
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