Bioefficacy of Insecticides in Combination with Acaricides and Nutrients Against Helopeltis Theivorr Waterhouse in Tea
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Field investigations were carried out to generate base line data on bioefficacy of recommended insecticides for the control of tea mosquito bug, Helopeltis theivora in combination with acaricides to combat the problem of mixed infestation of red spider mite and tea mosqqito bug in tea. The mixture of cypermethrin with propagite ana fenpyroximatea combinations of deltamethrin, alphamethrin, β-cyfluthrin, λ-cyhalothrin with fenazaquin; sulfur combinations with deltamethrin, β-cyfluthrin, thiomethoxam and deltamethrin, λ-cyhalothrin, β-cyfluthrin and endosulfan with propargite were not compatible chemically, which led to ineffectiveness in controlling the tea aosquito bug infestatian. Cypermethrih with urea, MOP and ZnSO4; fenazaquin with cypermethrin, endosulfan, thiomethoxam and imidacloprid; sulfur with endosulfan, alphamethrin, λ-cyhalothrin and imidacloprid; and propargite with λ-cyhalothrin and alphamethrin were compatible with reference to no reduction in bioefficacy of insecticides while mixing with acaricides and foliar nutrients.
Tea, Bioefficacy, Helopeltis theivora, Insecticidese, Acaricidese, Foliar nutrients.