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当前位置: 首页 > 文章 > 竹提取物对蚜虫生物活性的研究 植物保护 2003,29 (2) 33-36
Position: Home > Articles > Bioactivities of extracts from bamboo to Lipaphis erysimi Plant Protection 2003,29 (2) 33-36

竹提取物对蚜虫生物活性的研究

作  者：
操海群;岳永德;彭镇华;花日茂;汤锋
单  位：
安徽农业大学植物保护系
关键词：
植物药理学;竹提取物;萝卜蚜;拒食活性;触杀作用
摘  要：
研究结果表明 ,毛金竹、白纹短穗竹、苦竹、巨县苦竹乙醚提取物对萝卜蚜拒食活性较强 ,2 4hAFC50 (拒食中浓度 )分别为 2 6 96、2 5 2 3、2 5 5 5、1 378g/L。其中 ,白纹短穗竹和巨县苦竹提取物拒食作用较为稳定 ,4 8h后AFC50 分别为 2 792、1 6 70g/L。供试竹提取物质量浓度为 10 g/L对萝卜蚜均具有较强的触杀作用 ,毛金竹、白纹短穗竹、灰水竹、毛竹、青皮竹、巨县苦竹提取物对萝卜蚜 96h校正死亡率达 90 %以上 ,其中毛金竹、白纹短穗竹提取物 4 8hLC50 分别为 0 345 2、0 32 2 2 g/L。致死时间表明白纹短穗竹提取物对蚜虫触杀作用明显快于毛金竹 ,在0 0 6 5 g/L浓度下 ,前者LT50 为 18 94h ,而后者LT50 为 2 6 32h。
译  名：
Bioactivities of extracts from bamboo to Lipaphis erysimi
作  者：
CAO Hai-qun, YUE Yong-de, PENG Zhen-hua, HUA Ri-mao, TANG Feng (Department of Plant Protection, Anhui Agricultural University, Hefei230036, China)
关键词：
plant pharmacology;bamboo extract;Lipaphis erysimi;antifeeding activity;contact toxicity
摘  要：
Bioactivities of the extracts from bamboo gathered from Guande County (Anhui Province, China), against aphid were reported. Results of bioassay in laboratory showed that the extracts from the selective bamboos, at their dose of 10 g/L, had very strong contacting toxicity and relatively higher antifeeding activity to Lipaphis erysimi. After 24 hours, the antifeeding median concentractions (AFC 50 ) of the extracts from Maojin bamboo, Baiwen Duansui bamboo, Ku bamboo, Juxian Ku bamboo to L. erysimi were 2.696, 2.523, 2.555, 1.377 g/L, respectively. The antifeeding activites of Juxian Ku and Baiwen Duansui bamboo were relatively stable, AFC 50 of which were 2.792 g/L and 1.670 g/L, after 48 hours, respectively. The extracts of Maojin bamboo, Baiwen Duansui bamboo, Huishui bamboo, Mao bamboo. Qingpi bamboo, and Juxian Ku bamboo showed very strong contacting toxicity, and their rectified mortality rates were above 90% after 72 hours. After 48 hours LC 50 of the extracts from Maojin bamboo and Baiwen Duansui bamboo were 0.345 2 g/L and 0.322 g/L, respectively.

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