insecticidal

1.A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.

介绍了新型杀虫剂──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合成方法。

2.In recent years,the savin plant has been found with excellent insecticidal activity.

西北农林科技大学无公害农药研究服务中心陕西杨凌;

3.Plant lectins have been shown to be insecticidal to pests including Homopteran pests.

植物凝集素对包括同翅目在内的害虫具有有效抗性作用。

4.The volatile oil and its major component precocene Ⅱ not only had insecticidal efficacy,but also anti\|feeding effect and delayed molting of insects.

挥发油及其主要成分胜红蓟素不仅具有杀虫活性，而且引起昆虫拒食和延迟。

5.According to the author's experience in the control of cotton aphids.the systemic insecticidal action of Systox was different when it was applied at different times of the day.

>在与贫下中农一起用1059(内吸磷)防治棉蚜的多次生产实践中作者曾经注意到,一天之内不同时间喷药,药效有差异,傍晚喷药药效较好。