Abstract
In the economy of Pakistan, oilseed crops play a major share and contribute more than 17% to meet the domestic edible oil requirement. Sunflower contributes about 11% in domestic edible oil production. However, a wide gap exists in this sector which can be improved for enhancing its local production. Several factors are responsible for the yield losses. Losses due to insect pests are increasing because of overusing the insecticides. On the other hand, insects are also developing resistance against insecticides at a significant rate. The present study was designed to identify the most effective insecticide for inclusion in Integrated Pest Management (IPM) program to effectively manage capitulum borer (Helicoverpa armigera) infesting Sunflower. Maximum mortality (83.28%) was expressed by Spinetoram followed by Chlorantraniliprole (81.53%), Emamectin Benzoate (78.23%), Indoxacarb (75.13%) and Lufenuron (69.67%). These insecticides can alternatively be used to control capitulum borer. However, further research is required to ensure effective management of capitulum borer through IPM. Keywords: Coragen; Efficacy; Emamectin; Head moth; Spinetoram; Sunflower http://dx.doi.org/10.19045/bspab.2020.90191
Highlights
In the economy of Pakistan, oilseed crops play a major share and contribute more than 17% to meet the domestic edible oil requirement
Spinetoram gave maximum mortality (84.21%) in second year of the study which indicates that considerable level of resistance in Helicoverpa armigera has been developed against spinetoram in some specific areas as both studies are from different provinces of country
Chlorantraniliprole is a commonly used insecticide affecting nerve and muscles of target insects. This insecticide was tested on Helicoverpa armigera infesting tomato crop and 70% mortality was observed after 96 hours of insecticide application [23]
Summary
Data analysis The relevant data were tabulated and analyzed using Statistix 8.1 software, analysis of variance was constructed and treatments’ mean comparisons were made through Tuckey’s Honestly Significant Difference (HSD) test at 0.05 significance level
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