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甜瓜不同生育期BTH处理对其主要叶部病害抗性的诱导作用

何宝林 康恩祥 乃小英 刘晓伟 陈年来

中国蔬菜Issue(12):75-79,5.
中国蔬菜Issue(12):75-79,5.

甜瓜不同生育期BTH处理对其主要叶部病害抗性的诱导作用

Inducing Effects of BTH on Resistance to Major Leaf Diseases at Different Melon Growing Periods

何宝林 1康恩祥 1乃小英 2刘晓伟 2陈年来1

作者信息

  • 1. 甘肃省农业科学院旱地农业研究所,甘肃兰州730070
  • 2. 甘肃农业大学,甘肃兰州730070
  • 折叠

摘要

Abstract

This test took disease-resistant melon ( Cucumis melon L. ) cultivar- 'Yindi' and susceptible variety- 'Kalakesai' as material, and studied the inducing effects of BTH on resistance to downy mildew, white powder, anthrax at three stages of melon plants treated with BTH. The results showed that after treating the melon at periods of vine extend, early florescence, young fruit with BTH, the Yindi and 'Kalakesai' infected plant rate and disease index reduced conspicuously, compared with the contrast. But there were differences in disease preventative effects between all treatments. The preventative effect on disease-resistant cultivar - ' Yindi' was better than that of susceptible variety- ' Kalakesai' , and it reduced with the elongation of the disease spelled and the severity of the disease extended.

关键词

BTH/甜瓜/霜霉病/白粉病/炭疽病/诱导抗病性

Key words

BTH/Melon/Downy mildew/White powder/Anthrax/Induced resistance

分类

农业科技

引用本文复制引用

何宝林,康恩祥,乃小英,刘晓伟,陈年来..甜瓜不同生育期BTH处理对其主要叶部病害抗性的诱导作用[J].中国蔬菜,2011,(12):75-79,5.

基金项目

甘肃省农业科技创新专项(2009GAAS24) (2009GAAS24)

中国蔬菜

OA北大核心CSTPCD

1000-6346

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