Natural pyrethrum, ester is an active pesticide abstracted form pyrethrum This kind of pesticide is unique in quick killing of pests with low rate of poison.

• 摘要天然除虫菊酯是从除虫菊中提取得到的杀虫活性成分。其作用机理独特，具有能快速灭杀害虫，广谱、低毒等特点。