2018•Indian Journal of EntomologyRequires access

Estimation of losses caused by maize stem borer, Chilo partellus (Swinhoe) in Kharif maize sown at different times

Ashwinder K. Dhaliwal, D. S. Brar, Jawala Jindal

Abstract

The losses caused by maize stem borer, Chilo partellus (Swinhoe) in kharif maize sown at different times were estimated by protecting the crop with deltamethrin 2.8EC against C. partellus during kharif 2013 and 2014 in Punjab. The incidence of C. partellus was lower in the crop sown on 25th June than that in the crop sown during last week of May and on 10th June. Accordingly, the losses caused by C. partellus were lower in the crop sown on 25th June (8.66–13.26%) than that in the crop sown during last week of May (11.34–16.31%) and on 10th June (11.42–14.55%). The comparison of protected and unprotected conditions revealed that the average avoidable losses caused by C. partellus were found to be 12.99%.

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Key concepts: Chilo, Kharif crop, Biology, Agronomy, Forensic science, Veterinary medicine, Toxicology, Crop