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外源苯丙烯酸抑制连作黄瓜生长的机制初探

吕卫光 张春兰 彭宇 袁飞

中国蔬菜Issue(3):10-12,3.
中国蔬菜Issue(3):10-12,3.

外源苯丙烯酸抑制连作黄瓜生长的机制初探

Preliminary Study on the Mechanism of Continuous Cropping Cucumber Growth Inhibited by Cinnamic Acid in Cucumber Root Exudates

吕卫光 1张春兰 2彭宇 2袁飞2

作者信息

  • 1. 上海市农业科学院环境科学研究所
  • 2. 南京农业大学资源环境学院
  • 折叠

摘要

Abstract

Cinnamic acid was applied in the fifth continuous cropping cucumber soil as root exudates.The results showed that cucumber growth,activity of root dehydrogenase,ATPase,soil microorganisms and nutrient uptake had been inhibited when cinnamic acid application was more than 50 mg*kg-1 soil.And the inhibition at a higher concentration was stronger than those at lower one.So the auto-toxic effect of cinnamic acid was one of the factors of continuous cropping barrier in cucumber growth.

关键词

苯丙烯酸/抑制/连作/黄瓜/生长

分类

农业科技

引用本文复制引用

吕卫光,张春兰,彭宇,袁飞..外源苯丙烯酸抑制连作黄瓜生长的机制初探[J].中国蔬菜,2001,(3):10-12,3.

中国蔬菜

OA北大核心

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