| 蓖麻提取液对菜青虫的生物活性研究 |
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| 引用本文： | 何恒果.蓖麻提取液对菜青虫的生物活性研究[J].安徽农业科学,2010,38(15):7929-7930. |
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| 作者姓名： | 何恒果 |
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| 作者单位： | 西华师范大学生命科学学院,四川南充,637002 |
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| 基金项目： | 四川省重点学科建设项目 |
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| 摘 要： | 目的]探寻蓖麻植物在杀虫农药开发中的潜力,为植物性农药的开发利用提供理论基础。方法]采集蓖麻根、茎和叶制备相应的水提液,采用浸叶饲喂法饲喂菜青虫,测定其各自的拒食和毒杀作用。结果]蓖麻提取液对菜青虫具有较强的拒食和毒杀作用,并且拒食率和死亡率均随着浓度的增加而升高。蓖麻根和叶的提取液毒杀作用较强,而茎的毒杀作用相对较弱,当原液浓度为1000mg/L时,其相应的校正死亡率分别为88.64%、86.05%和81.82%,但3者之间差异均不显著。结论]蓖麻水提液对菜青虫具有一定的毒杀作用,可作为植物源农药进行开发利用。
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| 关 键 词： | 蓖麻 菜青虫 杀虫活性 拒食作用 |
Insecticidal and Anti-feeding Effects of Ricinus communis L. Extract on Pieris rapae |
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| HE Heng-guo.Insecticidal and Anti-feeding Effects of Ricinus communis L. Extract on Pieris rapae[J].Journal of Anhui Agricultural Sciences,2010,38(15):7929-7930. |
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| Authors: | HE Heng-guo |
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| Institution: | HE Heng-guo(Life Scientific Institute,China West Normal University,Nanchong,Sichuan 637002) |
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| Abstract: | Objective] To explore the potential of Ricinus communis as the pesticides,and provide a theoretical basis for exploiting vegetal pesticides.Method] After collecting the roots,stems and leaves of Ricinus communis,we detected the insecticidal and antifeeding activities of each extract on Pieris rapae using leaf dipping method Result] The results showed that the roots,stems and leaves of extracts Ricinus communis had insecticidal and anti-feeding activities on Pieris rapae.The anti-feeding and mortality rat... |
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| Keywords: | Ricinus communis L Pieris rapae Insecticidal activity Anti-feeding activity |
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