Change of Cotton Lint Quality as Influenced by Insect Growth Regulators (IGRs) Used against Dusky Cotton Bug, Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae)

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This studywas conducted to investigate the effect of five Insect Growth Regulators (IGRs) i.e., Methoxyfenozide (Runner 240SC), Lufenuron (Silent 5EC), Triflumuron (Capture 20SC), Pyriproxyfen ®® ® (Priority 10.8EC) and Lufenuron (Match 50EC) against dusky cotton bug, Oxycarenushyalinipennisand its ® ® impact on lint quality of cotton.Counted number of O. hyalinipennis was exposed to and detained on seedcotton treated with LC , LC , LC and LC of the same insecticides. The lint with released O. 50 70 90 100 hyalinipennis (dead and alive) was ginned conventionally at different post treatment intervals that were 1, 2, 3, 4, 5, 6 and 7 day post treatment and deterioration in lint quality was determined on the basis of lint staining scale. The results revealed that the color of lint changed from light yellow to white when seedcotton were exposed to Runner and Silent whereas from slightly yellow to white when exposed to Capture , Priority and ® ® ® ® Match during 7 day post treatment. The present research work will helpful to use the environmental friendly ® IGRs against O. hyalinipennis and protect the lint quality which ultimately affects the market price/value.

Authors: 
Bilal Atta
Authors: 
Muhammad DildarGogi
Authors: 
Muhammad AhsinAyub
Publisher: 
Academic Journal of Entomology
Year: 
2018