除虫菊素

本发明为天然除虫菊素花粉剂及制备方法。

The invention provides natural pyrethrins pollen and the preparation method thereof .

微波协助萃取技术应用于提取天然除虫菊素的工艺研究

Reasearch on the Use of Microwave-aid Technique for the Extraction of Pyrethrins

天然除虫菊素盘式蚊香对淡色库蚊的药效实验研究

Efficacy of natural pyrethrum mosquito coil against Culex pipiens pallens

除虫菊素的杀虫特性与作用机理

The Characteristic and Mechanism of Pyrethrins Acting on Pests

目的观察杀虫剂天然除虫菊素对印鼠客蚤实验室的杀灭效果。

Objective To observe the efficacy of Pyrethrins against Xenospylla cheopis in the laboratory .

除虫菊素杀虫气雾剂对蚊蝇的药效研究

Efficacy of pyrethrin aerosol against mosquitoes and flies

除虫菊素含量分析法的改进

An improved method for the determination of pyrethrin

现代色谱技术在除虫菊素研究中的应用

The application of chromatographic techniques to pyrethrins

2.5%除虫菊素乳油防治烟蚜田间药效试验

Control Effect of 2.5 % Pyrethrins EC on Myzus persicae ( Sulzer ) in Tobacco Field

结论天然除虫菊素杀虫气雾剂具有安全，高效等特点，值得推广应用。

Conclusion Pyrethrins aerosol was safe for use and had high efficacy . It should be generalized .

纯化后的精菊油含有50%~70%除虫菊素，外观为淡黄色流动液体，符合FAO/WHO标准。

The commercial extracts containing 50 % ~ 70 % pyrethrins are yellow pale which complies with FAO / WHO specification .

但国内外对于天然除虫菊素合成相关基因的研究很少，从而制约了利用基因工程技术提高除虫菊花中除虫菊素的含量。

Improving the content of pyrethrins in pyrethrum through genetic engineering technology is restricted , for little is known about pyrethrins-related genes .

目前，天然除虫菊素已广泛应用在农业、林业、生物农药和食品卫生安全等多个领域。

At present , natural pyrethrins have been widely used in agriculture , forestry , biological pesticides , food hygiene and safety and other fields .

用超临界CO2从除虫菊干花中萃取的除虫菊素，这种膏状物不能直接用来加工或深加工杀虫产品。

Extracted pyrethrins from pyrethrum dried flower by super critical CO2 . is a paste called oleoresin which isn 't suitable to formulate insecticidal products either use in household or crops .