[Objective] The experiment studied on insecticidal and antifeedant action of on Portulaca oleracea L.to provide theoreti......

采用常规溶剂萃取和CO2超临界萃取技术，从印楝（Azadirachta indica A．de Jussieu）种仁中萃取印楝素，以3龄和5龄瓜绢螟[Diaphania indica......