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7A Pest Exam/ 135 Questions and Answers/ .
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7A Pest Exam/ 135 Questions and Answers/ . Terms like: Pyrethrins - Answer: part of botanical insecticides, which are plant-derived. pyrethrins are constituents of pyrethrum. interrupt the normal transmission of an insect's nerve impulses. used with synergists, provide quick knockdown with li...
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