谢深喜,罗先实,吴月嫦,Lovatt CJ

• 1:湖南农业大学园艺学院
• 2:湖南农业大学园艺学院
• 3:湖南农业广播电视学校
• 4:河滨加州大学植物科学系 湖南 长沙 410128 河滨加州大学植物科学系

摘要(Abstract)：

以5个亚洲梨品种为试材,通过离体培养研究了花穗中花的着生部位,不同浓度的GA3、2,4-D和蔗糖对花粉生活力、花粉管生长速度的影响。结果表明,不同品种的花粉生活力差异明显,黄花花粉萌发快;新世纪花粉生活力强,花粉管生长迅速。花的着生位置及花器官的发育程度对花粉生活力有明显影响,边花的生活力比中心花强。不同浓度的B、2,4-D、GA3对花粉萌发及花粉管生长均有不同程度的影响,高浓度的GA3、2,4-D抑制花粉管的生长,但浓度较高的蔗糖能促进花粉粒的萌发和生长,且两者呈正相关(R2=0.983)。

关键词(KeyWords)： 生活力;效应;植物生长调节剂;硼;蔗糖

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 谢深喜,罗先实,吴月嫦,Lovatt CJ

DOI: 10.13925/j.cnki.gsxb.2004.04.002

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