| 曼陀罗水提取物对小菜蛾的拒食及毒杀活性 |
| |
| 引用本文： | 雷 霁,梁婷婷,冉俊祥,徐 宁,慕小倩.曼陀罗水提取物对小菜蛾的拒食及毒杀活性[J].西北农业学报,2012,21(1):175-179. |
| |
| 作者姓名： | 雷 霁 梁婷婷 冉俊祥 徐 宁 慕小倩 |
| |
| 作者单位： | 1. 西北农林科技大学生命科学学院,陕西杨凌,712100
2. 南通出入境检验检疫局,江苏南通,226005 |
| |
| 基金项目： | 公益性行业(农业)专项 |
| |
| 摘 要： | 为比较有毒植物曼陀罗及其变种紫花曼陀罗对小菜蛾的杀虫生物活性,采用室内生测方法,分别测定曼陀罗及其变种紫花曼陀罗种子、茎杆、叶片、果壳水提取物对3龄小菜蛾幼虫的取食、存活及生长发育等的影响。结果表明,供试曼陀罗及其变种紫花曼陀罗各器官的水提取物对小菜蛾幼虫均表现出一定的生物活性,且以拒食活性表现最为明显;紫花曼陀罗的拒食和胃毒活性均高于曼陀罗;就供试材料各器官比较而言,曼陀罗的种子水提取物活性最高,而其变种紫花曼陀罗则是茎杆水提取物的活性最高。大量废弃的紫花曼陀罗茎杆有待开发为植物源杀虫剂。
|
| 关 键 词： | 曼陀罗 生物活性 小菜蛾 |
Insecticidal Activity of Dature stramonium Water Extracts against Plutella xylostella |
| |
| LEI Ji,LIANG Tingting,RAN Junxiang,XU Ning and MU Xiaoqian.Insecticidal Activity of Dature stramonium Water Extracts against Plutella xylostella[J].Acta Agriculturae Boreali-occidentalis Sinica,2012,21(1):175-179. |
| |
| Authors: | LEI Ji LIANG Tingting RAN Junxiang XU Ning and MU Xiaoqian |
| |
| Institution: | 1(1.College of Life Sciences,Northwest A&F University,Yangling Shaanxi 712100,China; 2.Nantong Entry-Exit Inspection and Quarantine Bureau,Nantong Jiangsu 226005,China) |
| |
| Abstract: | The water extracts of seeds,stems,leaves and peels from Datura stramonium L.and Datura stramonium L.var.tatula Torrey were bioassayed with third instar Plutella xylostella larvae.The results indicated that both of the two Datura species’ water extracts showed insecticidal activities against P.xylostella,among which antifeedant activity was the most significant.Besides,both of the antifeedant and stomach toxicity activities of D.tatula were higher than those of D.stramonium.As to different donor sites,water extracts of D.stramonium seeds had the highest insecticidal activities,while in D.tatula,the most active water extracts were from stems.It can be seen from the results above that plenty of abandoned D.tatula stems could be used as botanic insecticide. |
| |
| Keywords: | Dature stramonium Insecticidal activity Plutella xylostella |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《西北农业学报》浏览原始摘要信息 |
| 点击此处可从《西北农业学报》下载免费的PDF全文 |
|
