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Biological control of cotton pest Sylepta derogata by using plant extracts Econeem, Acorus calamus and Piper longum”

Title

Biological control of cotton pest Sylepta derogata by using plant extracts Econeem, Acorus calamus and Piper longum

Authors

Mariselvi | Manimegalai

Keywords

Sylepta derogate | Acorus calamus

Publication Details

Vol: 3; Iss: 2;  Feb-17 | ISSN: 2454-5422

Abstract

Laboratory studies were carried out to evaluate the efficacy of some locally available botanicals against cotton pest Sylepta derogata. The cotton plant is native to India and the pest is polyphagous insect. Plants extracts obtained from Azadirachta indica, Acorus calamus and Piper longum using standard methods. Among all these botanicals, extracts were prepared and dilutions were obtained at 5%, 10%, 15%, 20% and 25% concentrations with the addition of distilled water. Several plants and plant products have long been used as insecticides, repellents, antifeedants, sterilants and ovicides in insect control. Use of plant extracts is one of the possible methods of pollution free technology in insect control. Among the treated botanicals, Azadirachta indica was effective significantly and high percentage mortality 91.41% was observed in at 25% level. Acorus calamus treatment caused moderate mortality level when compared these two treatments Piper longum showed low mortality rate 90.20%.

Citation:

S.Mariselvi and K.Manimegalai. “Biological control of cotton pest Sylepta derogata by using plant extracts Econeem, Acorus calamus and Piper longum”. International Journal of Current Science Research (IJCSR) 3.2 (2017):  1064-1068.