不同浓度赤霉素(GA)在不同时期喷布对抑制苹果花芽形成的效果

被引:3
作者
黄海
乔宪生
曹尚银
机构
[1] 中国农业科学院郑州果树研究所
关键词
花芽形成; 苹果; 赤霉素; 不同浓度; GA;
D O I
10.13925/j.cnki.gsxb.1986.03.002
中图分类号
学科分类号
摘要
用“国光”苹果作试材进行了不同浓度赤霉素(GA)对抑制苹果花芽形成的效果试验。50ppm没有抑制效果,200ppm显示出抑制效果;500—1000ppm有明显的抑制作用。花量下降达到对照的1/2-1/3。还进行了不同喷布时期试验,结果表明,从枝条停止生长开始直到花芽形态分化前,整个“花芽孕育的临界时期”内任何时候进行,都有同等的抑制效果;从一次喷布增加为两次喷布(间隔10天),甚至五次喷布,都未能使抑制效果有显著的增加。
引用
收藏
页码:11 / 14
页数:4
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