Aphid incidence and its correlation with different environmental factors

Authors

  • MR Hasan Department of Entomology, Bangladesh Agricultural University, Mymensingh
  • M Ahmad Department of Entomology, Bangladesh Agricultural University, Mymensingh
  • MH Rahman Department of Entomology, Patuakhali University of Science and Technology, Dumki
  • MA Haque Department of Entomology, Bangladesh Agricultural University, Mymensingh

Keywords:

Mustard aphid, Incidence, Environmental factors

Abstract

The aphid incidence and its correlation with environmental factors were studied. Mustard variety "Sampad" was used as test crop. Aphid incidence varied significantly at various parts of mustard plant and time of the day. The highest number of aphid was observed in the vegetative parts of the mustard plant in the morning. High cloudiness, relative humidity and dew point favoured the aphid population and slight rain fall quickly declined the aphid population. Among the different environmental factors maximum temperature, dew point and sun shine hours were positively correlated with aphid population and minimum temperature, relative humidity and wind speed were negatively correlated with aphid population.

Keywords: Mustard aphid; Incidence; Environmental factors

DOI: 10.3329/jbau.v7i1.4791

J. Bangladesh Agril. Univ. 7(1): 15-18, 2009

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How to Cite

Hasan, M., Ahmad, M., Rahman, M., & Haque, M. (2010). Aphid incidence and its correlation with different environmental factors. Journal of the Bangladesh Agricultural University, 7(1), 15–18. Retrieved from https://www.banglajol.info/index.php/JBAU/article/view/4791

Issue

Section

Crop Science