Bioefficacy and evaluation of newer insecticides against whitefly in castor


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Bioefficacy and evaluation of newer insecticides against whitefly in castor

Authors

  • B GEETHA Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
  • M SENTHILKUMAR Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
  • M DEIVAMANI Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu
  • S RVENKATACHALAM Tapioca and Castor Research Station, Tamil Nadu Agricultural University, Yethapur-636 119, Tamil Nadu

https://doi.org/10.56739/jor.v37iSpecialissue.141096

Keywords:

Castor, Newer insecticides, Whitefly, Cost benefit ratio

Abstract

Castor is attacked by several sucking pests. Among them, whitefly, Trialeurodes ricini is the major pest during
rabi season resulting in extensive losses in the yield. A field trial was conducted to evaluate the bio-efficacy of seven newer insecticides for the management of whitefly. After two rounds of spraying, the pooled mean population of whiteflies was lowest in the treatment profenophos 50EC @ 2 ml/l followed by buprofezin 25SC @ 1.5 ml/l. Reduction of whitefly population over control indicated that buprofezin 25SC @ 1.5 ml/l reduced the whiteflies population up to 71.2% followed by profenophos 50EC @ 2 ml/l (67.5% reduction over control).

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References

Duraimurugan P and Alivelu K 2017. Field efficacy of newer insecticides against sucking insect pests in castor. Indian

Journal of Plant Protection, 45(3): 246-250.

Patel B C and Muralidharan C M 2014. Bio-efficacy of newer insecticides against sucking pest complex of castor

(Ricinus communis L.). AGRES – An International eJournal, 3(1): 47-61.

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Submitted

2023-08-18

Published

2020-03-12

How to Cite

B GEETHA, M SENTHILKUMAR, M DEIVAMANI, & S RVENKATACHALAM. (2020). Bioefficacy and evaluation of newer insecticides against whitefly in castor: Bioefficacy and evaluation of newer insecticides against whitefly in castor. Journal of Oilseeds Research, 37(Specialissue). https://doi.org/10.56739/jor.v37iSpecialissue.141096