BIOINFOLET - A Quarterly Journal of Life Sciences
Web of Science
  • Year: 2012
  • Volume: 9
  • Issue: 4b

Occurrence of brown planthopper (BPH) and its predators on rice in Karnataka

  • Author:
  • T. Prashant, Shivshankar, N. L. Naveena, Chandrashekharaiah
  • Total Page Count: 2
  • Page Number: 758 to 759

*Department of Entomology, College of Agriculture, V. C. Farm, Mandya

Department of Agricultural Entomology, U.A.S, G.K.V.K, Bangalore 560065

Online published on 3 January, 2013.

Abstract

The population of brown plant hopper (BPH), Nilaparvata lugens Stal. and its predatory fauna were recorded on eleven popular varieties of rice. The hopper burnt patch was observed in 40.38 per cent in the fields. The size of the patch varied from 1.2 to 18. 3 m2 The hopper burn patches ranged from 30 to 63.75%, whereas the variety, Jyoti recorded highest (75%) hopper burnt patches.

Keywords

Brown planthopper, Rice, Varieties, Predators