夹竹桃叶提取物对福寿螺的杀螺活性

董道青; 陈建明; 俞晓平; 陈列忠

夹竹桃叶提取物对福寿螺的杀螺活性

1.
浙江省农业科学院植物保护与微生物研究所, 杭州 310021
2.
杭州师范大学生命与环境科学学院,杭州 310036

基金项目:

浙江省重大科技项目(2006C12120);浙江省农科院重点实验室开放课题(2006R17A00D02);宁波市科技计划项目(2007C10022).

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出版历程
- 收稿日期: 2008-08-12

Molluscicidal Activity of Ethanol Extracts from Nerium indicum Leaves on Pomacea canaliculata

1.
Institute of Plant Protection and Microbiology,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,China
2.
College of Life and Environment Sciences,Hangzhou Normal University,Hangzhou 310016,China

摘要

摘要: 从夹竹桃叶中筛选杀灭福寿螺的活性成分。采用浸渍法研究了夹竹桃叶的乙醇粗提物和组分Ⅰ对不同日龄福寿螺的毒杀和抑制作用。结果表明:组分Ⅰ浸渍10、30和50日龄螺6 h的LC50值分别为2.86、5.87 和8.68 mg/L;浸渍24 h的LC50值分别为0.98、2.31和 3.16 mg/L,其中2 mg/L的组分Ⅰ浸渍10日龄螺24 h的死亡率为100%。乙醇粗提物对福寿螺的毒杀效果较差,用其100 mg/L浸渍10日龄和30日龄螺72 h的死亡率均为100%,浸渍50日龄螺120 h时,死亡率100%时的质量浓度达到200 mg/L。但乙醇粗提物和组分Ⅰ各浓度对福寿螺的活动均无抑制作用,反而有促进其上爬的作用。
- 夹竹桃叶 /
- 乙醇提取物 /
- 组分I /
- 福寿螺 /
- 杀螺活性
Abstract: In order to find molluscicidal active components from Nerium indicum leaves on golden apple snail (GAS),Pomacea canaliculata (Lamarck),the lethal and inhibition effect of ethanol crude extracts and component Ⅰfrom N.indicum leaves against different-day old GAS was conducted by the snail-immersed method.The results showed that the LC50 value of component Ⅰ against GAS of 10,30 and 50 days old were 2.86,5.87 and 8.68 mg/L on 6 h after treatment,respectively; and were 0.98,2.31 and 3.16 mg/L on 24 h,respectively.Treated with 2 mg/L of component I for 24 h,the mortality of 10 d-old GAS reached 100%.When treated with 100 mg/L ethanol crude extracts for 72 h,the mortality of 10 d-old and 30 d-old GAS all reached 100%;and the mortality of 50 d-old GAS also reached 100% when treated with 200 mg/L extract for 120 h.Both ethanol crude extract and component Ⅰhad no inhibitory effect on activities of GAS,but promoted upward climbing of GAS.
- Nerium indicum leaves /
- ethanol crude extracts /
- component I /
- Pomacea canaliculata /
- molluscicidal activity

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参考文献(22)

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文章访问数: 1246
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