Insecticidal activities of the extracts from 57 southern Chinese herbs against Aleurodicus dispersus | 57种南药植物粗提物对螺旋粉虱杀虫活性初步研究
2012
Wang Lanying, Chinese Academy of Tropical Agricultural Sciences, Danzhou (China), Institute of Environmental and Plant Protection, Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Invasive Alien Pests, Ministry of Agriculture | Luo Yanping, Chinese Academy of Tropical Agricultural Sciences, Danzhou (China), Institute of Environmental and Plant Protection, Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Invasive Alien Pests, Ministry of Agriculture | Lu Yuanqian, Hainan University, Danzhou (China), College of Environmental and Plant Protection
chinois. 测试了57种南药植物粗提物对螺旋粉虱成虫的杀虫活性。结果表明,在5mg/mL浓度下,57种南药植物粗提物对螺旋粉虱成虫表现出较好的触杀活性。其中长春花、艾纳香、刺篱木、薄荷、广藿香、曼陀罗6种南药植物粗提物对成虫的触杀活性在60%以上, 活性最好的是长春花粗提物, 对成虫的触杀活性为67.3%。毒力测定结果表明：薄荷粗提物对成虫的EC50值最小, 为3.308 9mg/mL。因此薄荷对螺旋粉虱表现出较好的抑制活性, 具有进一步研究开发的价值。
Afficher plus [+] Moins [-]anglais. The insecticidal activities of the crude extracts of 57 southern Chinese herbs were tested against the adults of Aleurodicus dispersus. The results showed that there were 6 plant extracts from Catharanthus roseus, Blumea balsamifera, Flacourtia indica, Mentha haplocalyx, Pogostemon cablin and Datura stramonium had 60% insecticidal activities to the adults, especially the crude extracts of C.roseus, the activity of which was 67.3%.Toxicity test results showed that the EC50 of the crude extracts of M.haplocalyx against the adults was 3.308 9 mg/mL. Therefore, the crude extracts of M.haplocalyx showed good inhibitory activity, and had excellent value for further research and development.
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