Among the solvents, the insecticidal effects of alcohol extracts are the best, and then followed by aether extracts and petroleum ether extracts in order.

• 就6种溶剂比较而言，用乙醇提取叶、枝和树皮的毒杀效果最好，其次是乙醚，石油醚提取物的效果最差。