1·At present, natural pyrethrins have been widely used in agriculture, forestry, biological pesticides, food hygiene and safety and other fields.
目前，天然除虫菊素已广泛应用在农业、林业、生物农药和食品卫生安全等多个领域。
2·Azadirachtin, Pyrethrins and Rotenone are toxic to non-target organisms, especially high risk for Bombyx mori Linaeus.
印楝素、除虫菊素和鱼藤酮对非靶标生物的毒性较高，尤其对家蚕风险性大。