Efficacy of Selected Chemicals and Botanicals Against Coconut Scale Aspidiotus Destructor and Mealybug Pseudococcus Cocotls
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Date
2002
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Abstract
Studies were conducted at Agricultural Research Station, Aliyarnagar to find the efficacy of selected chemicals and botanicals against the coconut scale Aspidiotus destructor and mealybug Pseudococcus cocotis in young coconut palms. The results revealed that dimethoate @ 0.03% registered 95.00 percent mortality of scales followed by fish oil rosin soap @ 2.5% and monocrotophos @ 0.04 after 3 rounds of spraying. Phosphamidon 8 0.05% and Neem seed kernel extract @ 5%, Pungam oil @ 3%, were found to be less effective in controlling scales on coconut leaves. Similarly dimethoate @ 0.03% and monocrotophos 8 0.04% were found to be highly effective in checking the mealybug population followed by methyl demeton and fish oil rosin soap.
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Plantation Crops Research and Development in the New Millennium (2002): 444-446