Assessment of Yield Losses Due to White Stem Borer Scirpophaga fusciflua

Authors

  • Vikas Tandon Department of Entomology, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur 176062, Himachal Pradesh
  • Ajai Srivastava CSK HPKV Rice and Wheat Research Centre, Malan 176047, Himachal Pradesh

DOI:

https://doi.org/10.55446/IJE.2021.58

Keywords:

Scirpophaga fusciflua, rice, deadhearts, white ears, losses, infestation, release of larvae, artificial infestation, economic threshold level, crop stages

Abstract

Field experiments were conducted to assess the extent of losses occurring in rice crop due to the white stem borer (WSB) Scirpophaga fusciflua (Hampson) at different stages of crop growth. Results revealed that maximum infestation in terms of deadhearts and white ears was 11.6% at maximum release level (6 larvae/ hill) and the least (6.2%) at 2 larvae/ hill. The avoidable losses varied from 7.5 to 32.3%. The infestation % of released larvae was lowest to the economic threshold level.

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Published

2021-10-27

How to Cite

Tandon, V. ., & Srivastava, A. . (2021). Assessment of Yield Losses Due to White Stem Borer <i>Scirpophaga fusciflua</i. (Hampson) in Rice. Indian Journal of Entomology, 84(3), 634–636. https://doi.org/10.55446/IJE.2021.58

Issue

Section

Research Communications

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