蚓粪中的植物激素及其对绿豆插条不定根发生的促进作用

被引：80

作者：

胡佩

刘德辉

胡锋*

沈其荣

机构：

[1] 南京农业大学资源与环境科学学院

来源：

生态学报 | 2002年 / 08期

关键词：

蚓粪; 植物激素; 绿豆插条; 不定根; 促进作用;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071012 ; 0713 ;

摘要：

利用高效液相色谱证实了环毛蚓 (Pheretima sp.)蚓粪中至少存在两种植物激素 (IAA和 GA3) ,蚓粪中 IAA和GA3的含量分别可达 1 3 .9mg/kg和 49.9mg/kg,为原土的 1 3 .6和 8.2倍。采用包括蚓粪提取液、原土提取液、Haogland营养液、蒸馏水、IAA、GA3等在内的 1 1种供试液进行绿豆插条不定根发生的生物试验 ,结果表明 :在相同条件下 ,蚓粪提取液处理的绿豆插条比其它处理提早 3天出现不定根。统计证明 ,与原土提取液、Haogland营养液、蒸馏水等处理相比 ,蚓粪提取液处理可显著提高绿豆插条不定根的数量、长度和生物量。蚓粪提取液对不定根发生数量的诱导效应与 85～1 70μmol/L的 IAA溶液相当 ,但从不定根根长和根生物量来看 ,蚓粪提取液的效果优于 IAA

引用

页码：1211 / 1214

页数：4

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