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Inundative release of egg parasitoid Trichogramma bactrae in cotton
Author Name

M.V. Variya , A.M. Bharadiya, D. R. Patel and P.B. Kaneriya

Abstract

A field experiment was conducted at cotton research station, Junagadh Agricultural University, Junagadh during kharif 2016, 2017 and 2018 to evaluate egg parasitoid Trichogramma bactrae through inundative release in cotton crop for management of pink bollworm. Result showed that minimum percent rosette flower, percent green boll damage and percent open boll damage were noticed insecticide treated plot followed by release of Trichogramma bactrae. Significantly highest yield pooled data observed that chemical treated plot followed by release of Trichogramma bactrae. However, the highest benefit cost ratio was revealed in release of Trichogramma bactrae plot followed by chemical treated plot.

Key words: Inundative release, egg parasitoid, Trichogramma bactrae, cotton



Published On :
2021-09-22

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