灭幼脲

灭幼脲对小地老虎、粘虫及黄粉（虫甲）幼虫内部器官和组织的作用及毒理

Effects of diflubenzuron on internal organs and tissues in slack cutworm , armyworm and yellow mealworm

灭幼脲Ⅲ号在大白菜和土壤中的残留研究

A study on the residue and persistence of pesticide diflubenzuron ⅲ in Chinese cabbage and soil

生化分析表明：灭幼脲可以促进雌虫卵巢组织DNA、RNA及一日龄卵DNA的合成；

The biochemistry analysis showed that both DNA , RNA content in the ovaries and DNA content in the ten hour old eggs increased with the diflubenzuron treatment .

雌成虫每天摄入DFB量的1.39%转移入卵，灭幼脲进入子代卵是通过主动运输而非自由扩散进入。

Of the DFB ingested by female about 1.39 % were transferred to the offspring eggs , the DFB transfer is definite by an active transportation , not a free permeation process .

当灭幼脲浓度在20ppm时，对家蝇Ⅱ龄幼虫的死亡率为54%，阻碍羽化率为100%，对家蝇卵孵出的幼虫5天死亡率为100%。

At 20 ppm of Mieyouniao , the mortality of the 2nd instar larvae of Musca d. vicina was 54 % and the failing rate of eclosion was 100 % . 100 % mortality of the larvae incubating from the treated eggs was produced .

灭幼脲类杀虫剂-XRD-473对桔潜叶蛾、桔木虱及其天敌的毒杀试验

The field efficacy test of XRD-473 to citrus leaf miner , citrus Psylla and their natural enemies

模型得到了室内土柱中灭幼脲-Ⅲ号杀虫剂淋溶试验的验证。

The model has been tested for CCU using data from the leaching experiments of soil columns in laboratory .

灭幼脲对亚洲玉米螟胚胎气管系统形成的影响

The influence of a chitin synthesis inhibitor on the tracheal system formation in the embryo of Asian corn borer

灭幼脲抑制鸡粪堆中蝇幼虫生长的作用，高浓度的效果较好，同一浓度组中高剂量组的效果较好。

The higher dosage applied in a same concentration , the better effect to control flies larvae breeding could be obtained .

本文采用实验模拟的方法研究了灭幼脲在大气中、水体中、以及各种有机溶剂中的光解行为。

The photoreaction behavior of CCU in simulated atmosphere , water , and organic solvents has been studied in this paper .

目的研究生态酶制剂与灭幼脲混剂抑制鸡粪堆氨气和控制蝇幼虫生长的作用。

Objective To study the efficiency of controlling ammonia and flies'larvae in poultry houses by the mixture of organic enzymes and chlorkenzuron .

用15%灭幼脲Ⅲ号油剂处理成虫，可使雌虫产卵量降低433%～614%，卵孵化率降为0。

Egg-laying quantity decrease by 43.3 % ~ 61.4 % using 15 % concentration and incubation rate reduce to zero for the female insects .

介绍了灭幼脲的作用机理，总结了其农林业害虫防治上的应用情况，以期为灭幼脲的应用提供参考。

The mechanism of diflubenzuron and its application in control of forest pests were introduced , so as to provide reference for the utilization of diflubenzuron .

结论：该胶饵有效成分是由乙酰甲胺磷和灭幼脲组成，灭蟑药效达到卫生杀虫剂标准A级。

Conclusion : The effective ingredients of the gel bait were acephate and PH , 60-38 and the efficacy reaches Grade A of Standard for Hygienic Insecticides .

同时，总结了灭幼脲类农药在环境中的迁移情况和各种降解途径，分析了影响其降解情况的各种因素。

Meanwhile , the transfer and degradation pathway of these pesticides in environment is also summarized ; and the effecting factors to the degradation of them are analysed .

灭幼脲在环境中的迁移转化和降解情况，是评价其环境效应的重要基础、也是决定其能否大面积推广的科学依据之一。

The transformation and degradation of CCU are important factors for the evaluation of its environmental effects , and the criteria of which will determine whether it can be used widely .

结果表明，灭幼脲（Ⅲ）在氮气及空气中的光解反应表现为动力学一级形式，而在氧气中则近似为二级反应。

The statistical treatment of experimental results indicates that the photoreaction in nitrogen and air is of the first order , while in oxygen is closer to that of the second order .

灭幼脲以其独特的杀虫方式，及其广谱、高效、低毒、低成本、残效期长等优点，被誉为“绿色农药”。

DFB is called " green pesticide " with the characters : individual mode of action , broad spectrum , high performance , hypovirulence , low cost , long residual efficient duration .

用15%灭幼脲Ⅲ号处理成虫，使成虫产卵降低43.3%～61.4%，孵化率降为0；而对照组孵化率为85.8%。

Eggs-laying rates reduced by 43.3 % ~ 61.4 % and incubation rates dropped to 0 when 15 % Diflubenzuron - ⅲ was used to treat imagoes and the hatching rates of control were as much as 85.8 % .