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寿星桃品种“寿粉”叶片提取物对桃蚜的杀虫活性测定
引用本文:王占松,尹淑萍,张 文,金万梅,赵剑波. 寿星桃品种“寿粉”叶片提取物对桃蚜的杀虫活性测定[J]. 中国农学通报, 2005, 21(11): 325-325
作者姓名:王占松  尹淑萍  张 文  金万梅  赵剑波
作者单位:(1中国农业大学农学与生物技术学院,北京 100094;2北京市农林科学院林业果树研究所,北京 100093)
摘    要:
利用水、乙醇、石油醚和乙酸乙酯等4种溶剂提取寿星桃品种“寿粉”叶片中的活性物质,通过触杀和内吸实验,测定了各提取物对桃蚜(Myzus persicae)的杀虫活性。结果表明,在触杀试验中,乙醇和石油醚提取物对桃蚜有较好的杀虫效果,以2000 mg/L乙醇提取物对桃蚜虫处理,18h后蚜虫死亡率达到68%;在内吸实验中,乙醇提取物活性最高,用2500mg/L浓度处理时,死亡率在6~18h内变化不大,均为60%~65%;24h后死亡率达到80%,30h,36h后死亡率分别为83.7%,85%。

关 键 词:寿星桃  提取物  桃蚜  生物活性

Insecticidal Activities of Extracts from Shou Fen against Myzus Persicae (Suzer)
Wang Zhansong,Yin Shuping,Zhang Wen,Jin Wanmei,Zhao Jianbo. Insecticidal Activities of Extracts from Shou Fen against Myzus Persicae (Suzer)[J]. Chinese Agricultural Science Bulletin, 2005, 21(11): 325-325
Authors:Wang Zhansong  Yin Shuping  Zhang Wen  Jin Wanmei  Zhao Jianbo
Affiliation:(1College of Agriculture, China Agriculture University, Beijing 100094; 2Institute of forestry and pomology, Beijing academy of agriculture and forestry sciences, Beijing 100093)
Abstract:
This experiment showed the extracts from leaves of Shou Fen had a good insecticidal activity to Myzus persicae. In the experiment of contact toxicities, extracts of ethanol and petroleum ether had a better insecticidal activity to M. persicae. After M. per
Keywords:Prunus drawfzz  Extractezz  Myzus Persicae (Suzer)zz  Insecticidal activitieszz
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