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Books Books 1 - 1 of 1 on Insecticidal soaps are used to control soft-bodied pests such as aphids, thrips,....  
" Insecticidal soaps are used to control soft-bodied pests such as aphids, thrips, scales (crawler stage only), whiteflies, leafhopper nymphs, and mites. Soaps are effective only against those insects that come into direct contact with sprays before they... "
57 Ways to Protect Your Home Environment (and Yourself) - Page 65
1996 - 310 pages
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Handbook of Integrated Pest Management for Turf and Ornamentals

Anne R. Leslie - Science - 1994 - 672 pages
...toxic effects depend on the kinds of insecticides added. Uses. Soaps are used as contact insecticides to control soft-bodied pests such as aphids, thrips,...against those insects that come into direct contact with the spray before it has dried. Dried residues on plant surfaces are not insecticidal, and they degrade...
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