WANG Qing-zhong,WANG Dong-fang.Study on the Insecticidal Activity of Total Flavonoids from Leaves of Platycladus orientalis on Aphis sophoricola Zhang[J].Northern Horticulture,2013,37(02):101-103.
侧柏叶总黄酮对槐蚜的杀虫活性研究
- Title:
- Study on the Insecticidal Activity of Total Flavonoids from Leaves of Platycladus orientalis on Aphis sophoricola Zhang
- 文章编号:
- 1001-0009(2013)02-0101-03
- Keywords:
- leaves of Platycladus orientalis; total flavonoids; Aphis sophoricola Zhang; insecticidal activity
- 分类号:
- S 482.1
- 文献标志码:
- A
- 摘要:
- 用乙醇水加热回流法提取侧柏叶总黄酮，并就提取物对槐蚜的杀虫活性进行了测定。结果表明：室内叶片法生测后，提取物对槐蚜毒效的LC50为13.71 mg/mL；田间防治效果测定，当浓度为30 mg/mL时，对槐蚜的防治效果为85.19%。因此，侧柏叶总黄酮对槐蚜有较好的杀虫效果。
- Abstract:
- The total flavonoids of Platycladus orientalis leaves was extracted with alcohol-water solution by heating to reflux for 2 hours，and the insecticidal activities of extracts were detected against Aphis sophoricola Zhang.The results showed that the total flavonoids of indoor leaf bioassay were toxic to Aphis sophoricola Zhang with LC50 of 13.71 mg/mL.The results of the control efficiency determination experiment in the field indicated that the control efficiency of the total flavonoids was 85.19% against the insect when the concentration of extracts was 30 mg/mL.Therefore，the total flavonoids of Platycladus orientalis leaves had a good insecticidal activity against Aphis sophoricola Zhang.
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备注/Memo
第一作者简介：王庆忠（1961-），男，山东潍坊人，博士，教授，现主要从事生物制药和植物保护方面的研究工作。E-mail:waqizh@163.com.