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  • Title: Sublethal effects of imidacloprid and pymetrozine on the life table parameters of Aphis gossypii Glover (Homoptera: Aphididae).
    Author: Gerami S, Jahromi KT, Ashouri A, Rasoulian G, Heidari A.
    Journal: Commun Agric Appl Biol Sci; 2005; 70(4):779-85. PubMed ID: 16628917.
    Abstract:
    In this study we report the sublethal effects of recommended concentrations of imidacloprid and pymetrozine on cotton aphid's reproduction. Fecundity life table parameters for AG were studied on cucumber under conditions of 25+/-1 degrees C, 70+/-5% RH and photoperiod of 16:8 (L:D). Leaf discs of cucumber immersed in the recommended concentrations of the above mentioned insecticides and controls and the new born female was released on the lower surface of leaf discs. Values of parameters such as adult longevity and daily fecundity rate were recorded. Standard error of population growth parameter was calculated using the Jacknife method. The results show that these two insecticides significantly reduce life table parameters compared with control.
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