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• Title: EFFECT OF ORGANOPHOSPHATE INSECTCIDE CHLORPYRIFOS ON SOME BIOCHEMICAL COMPONENTS OF TROGODERMA GRANARIUM LARVAE Everts (Report)
• Author : Science International
• Release Date : January 30, 2011
• Genre: Engineering,Books,Professional & Technical,
• Pages : * pages
• Size : 216 KB

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Byline: Khawaja Abdul Mujeeb, Maria Latif, Muhammad Ayaz Ilyas and Syed Shahid Ali ABSTRACT: The stored grain pests are causing huge damage to stored grains world especially tropical regions. Different pesticides and fumigation are used for their control. In the present study, effect of an organophosphate, chlorpyrifos is being evaluated on Khapara bettle (Trogoderma granarium) which is a very serious pest in stored grain godones of Pakistan. For this purpose, the LC50 of chlorpyrifos against 4th instar larvae of four different strains of T. granarium collected from different cities of Punjab like Khanewal, Lahore, Muzaffargarh and Sheikhupura were determined by residual film method. The LC50 values shown by these strains were 1575.5, 2673.9, 1150.1 and 1790.0 ug /ml respectively. On the basis of LC50 Lahore strain considered as resistant strain against chlorpyrifos, whereas Muzaffargarh strain used as susceptible strain.

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