ScholarLens Back to search
1998•Indian journal of plant protectionOpen access

Field Evaluation of Various Insecticidal Schedules Against Cotton Bollworms

P. M. Kanwat, KC Kumawat

Open full text 1 citations

Abstract

In the field trial conducted on efficacy of various spray schedules involving synthetic pyrethroids and organophosphatic insecticides to control the bollworm complex of cotton (the Gelechiid, Pectinophora gossypiella (Saunders) and Noctuids, Earias vittella (Fabricius), E. insulana (Boisdual) and Helicoverpa armigera Hubner), the alternate sprays of monocrotophos 36 WSC, cypermerthrin 10EC, endosulfan 35 EC and fenvalerate 20 EC at an interval of 15 - 20 days were found most effective which exhibited boll damage of 27.77 and 25.95% and loculi damage of 44.21 and 38.60% in 1992 and 1993, respectively. This spray schedule provided highest seed cotton yield of 1266 Kg/ha, net returns of Rs. 9093.00/ha and BC ratio of 8.06.

About this research paper

What this paper is about

In the field trial conducted on efficacy of various spray schedules involving synthetic pyrethroids and organophosphatic insecticides to control the bollworm complex of cotton (the Gelechiid, Pectinophora gossypiella (Saunders) and Noctuids, Earias vittella (Fabricius), E. insulana (Boisdual) and Helicoverpa armigera Hubner), the alternate sprays of monocrotophos 36 WSC, cypermerthrin 10EC, endosulfan 35 EC and fenvalerate 20 EC at an interval of 15 - 20 days were found most effective which exhibited boll damage of 27.77 and 25.95% and loculi damage of 44.21 and 38.60% in 1992 and 1993, respectively. This spray schedule provided highest seed cotton yield of 1266 Kg/ha, net returns of Rs. 9093.00/ha and BC ratio of 8.06.

Why it matters

OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

In the field trial conducted on efficacy of various spray schedules involving synthetic pyrethroids and organophosphatic insecticides to control the bollworm complex of cotton (the Gelechiid, Pectinophora gossypiella (Saunders) and Noctuids, Earias vittella (Fabricius), E. insulana (Boisdual) and Helicoverpa armigera Hubner), the alternate sprays of monocrotophos 36 WSC, cypermerthrin 10EC, endosulfan 35 EC and fenvalerate 20 EC at an interval of 15 - 20 days were found most effective which exhibited boll damage of 27.77 and 25.95% and loculi damage of 44.21 and 38.60% in 1992 and 1993, respectively. This spray schedule provided highest seed cotton yield of 1266 Kg/ha, net returns of Rs. 9093.00/ha and BC ratio of 8.06.

Key concepts: Bollworm, Endosulfan, Helicoverpa armigera, Toxicology, Fenvalerate, Monocrotophos, Helicoverpa, Biology

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
Field Evaluation of Various Insecticidal Schedules Against Cotton Bollworms — Research Paper | ScholarLens