Evaluation of profenofos against tea mosquito bug helopeltis theivora waterhouse on tea

J. Alfred Daniel, K. Ramaraju

Research output: Contribution to journalArticlepeer-review

Abstract

Two field experiments conducted to evaluate the efficacy of profenofos (from a new source) along with standard checks against tea mosquito bug, Helopeltis theivora Waterhouse on tea revealed it to be effective in controlling the pest. Profenofos 50 EC @ 1000 g a.i. ha-1 recorded an average reduction of 79.35 and 77.11 per cent damage by tea mosquito bug at Iyerpadi estate and Lower Paralai estate, respectively. Its application @ 800 g a.i. ha-1 was equally effective and recorded an average per cent reduction of 73.89 and 76.69 per cent damage in the two respective field trials. The recommended dose of profenofos @ 500 g a.i. ha-1 was also on par with the two higher doses with an average per cent reduction of 67.71 and 76.69 damage by tea mosquito bug in the two trials, respectively.

Original languageEnglish
Pages (from-to)334-339
Number of pages6
JournalPesticide Research Journal
Volume32
Issue number2
DOIs
StatePublished - 1 Jan 2020
Externally publishedYes

Keywords

  • Bioefficacy
  • Helopeltis theivora
  • Profenofos
  • Tea
  • Tea mosquito bug

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Biochemistry
  • Agronomy and Crop Science
  • Agricultural and Biological Sciences (miscellaneous)
  • Pollution

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