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The Effect of Adjuvants on Penetration of beta-cypermethrin Through the Epidermis of Cabbage Leaf

WANG Yi ZHANG Li-ta ZHENG Fei-neng CHEN Fu-liang LIANG Wen-ping

中国农业科学(英文版)2002,Vol.1Issue(3):313-318,6.
中国农业科学(英文版)2002,Vol.1Issue(3):313-318,6.

The Effect of Adjuvants on Penetration of beta-cypermethrin Through the Epidermis of Cabbage Leaf

The Effect of Adjuvants on Penetration of beta-cypermethrin Through the Epidermis of Cabbage Leaf

WANG Yi 1ZHANG Li-ta 1ZHENG Fei-neng 1CHEN Fu-liang 1LIANG Wen-ping2

作者信息

  • 1. Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100094
  • 2. Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100101
  • 折叠

摘要

Abstract

The effects of three types of adjuvant (mineral oil, higher aliphatic acid and nonionic surfactant) on the penetration of beta-cypermethrin through the cabbage leaf surface were studied. The results showed that the penetration was positively correlated with both the concentration of adjuvant and the time after application, in a given range of treatment. A synergistic effect of two types of adjuvant on the penetration was found. Some physical properties of emulsions were determined. The change of the structures of the cabbage leaf surface by these adjuvants was observed from photomicrographs. The mechanism concerned with the effect of these adjuvants on the penetration of beta-cypermethrin through the cabbage leaf surface was tentatively discussed.

关键词

Adjuvant/Nonionic surfactant/Penetration/beta- cypermethrin/Synergistic effect

Key words

Adjuvant/Nonionic surfactant/Penetration/beta- cypermethrin/Synergistic effect

引用本文复制引用

WANG Yi,ZHANG Li-ta,ZHENG Fei-neng,CHEN Fu-liang,LIANG Wen-ping..The Effect of Adjuvants on Penetration of beta-cypermethrin Through the Epidermis of Cabbage Leaf[J].中国农业科学(英文版),2002,1(3):313-318,6.

基金项目

The authors thank Professor Tu Yu-qin for English proofreading and amendment. This work was supported by National Science Foundation of China(No. 29873055). (No. 29873055)

中国农业科学(英文版)

2095-3119

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