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Position: Home > Articles > Study on Insecticidal Activity of Extract of Ricinus communis L. to Vegetable Pests Journal of Changjiang Vegetables 2006 (11) 35-36

蓖麻提取物对蔬菜害虫的杀虫活性研究

作  者:
徐齐云;钟国华;胡美英;刘萱清;郑成
单  位:
华南农业大学昆虫毒理研究室;广州大学化学化工学院
关键词:
蓖麻;提取物;杀虫活性;蓖麻碱
摘  要:
用蓖麻提取物对蔬菜重要害虫进行了杀虫活性研究。结果表明,处理2(Na2CO32%+30%蓖麻籽)和处理3(乙醇25%+10%蓖麻籽)对菜蚜具有较好的杀虫活性,处理后96h的校正死亡率分别为83.05%和85.14%;蓖麻碱对斜纹夜蛾和小菜蛾2龄幼虫均有毒杀活性,处理后96h的LC50分别为6239.74mg/L、16401.19mg/L。
译  名:
Study on Insecticidal Activity of Extract of Ricinus communis L. to Vegetable Pests
作  者:
Xu Qiyun, Zhong Guohua, Hu Meiying, Liu Xuanqing, Zheng Cheng
关键词:
Ricinus communis L., Extract, Insecticidal activity, Ricinine
摘  要:
Studies on the insecticidal activity of extract of Ricinus communis L. against insect pests were carried out in vegetable crops. The results indicated that the insecticidal activity was found to be good in treatment 2 and 3 which contains 30% R.. communis L. extract, 2% Na2CO3 and 10% R.. communis L. extract, 25% ethanol respectively. The corrected mortality were 83.05%and 85.14% 96 h after treatment against aphis in treatment 2 and treatment 3. The LC50 of ricinine was 6 239.74 mg/L and 16 401.19 mg/L against the 2nd instar larvae of Spodoptera litura F. and Plutella xylostella L. 96 h after treatment in laboratory.

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