赤霉素和多效唑对云南草蔻花柱运动的影响
Effects of GA and PAC on the Style Curvature of Alpinia Blepharocalyx
周会平 1茶永鹏 2李孙洋 1崔现亮 1罗银玲1
作者信息
- 1. 普洱学院 生物与化学学院,云南 普洱 665000
- 2. 云南大学 生态与环境学院,云南 昆明 650504
- 折叠
摘要
以云南草蔻的离体花为材料,研究了赤霉素(GA)和多效唑(PAC)在黑暗和光照两种条件下对花柱运动的影响.结果表明,云南草蔻两种表型(上举型和下垂型)的花柱,无论在黑暗或光照条件下,第一次运动受GA或PAC的影响均不显著.上举型花柱的第二次运动,在黑暗条件下,对照(CK)和PAC处理之间无显著差异,花柱均未发生上举运动,而GA处理后花柱发生显著的上举运动;在光照条件下,柱头-花药夹角(SAA)在GA和PAC处理时与CK均无显著差异.下垂型的第二次花柱运动,在光下显著强于暗处.在黑暗条件下,PAC处理后SAA的值大于CK与GA处理,但并不显著;在光照条件下,CK、GA和PAC处理之间无显著差异.这些结果表明,GA在云南草蔻不同表型、同一表型的不同运动阶段所起的作用存在差异.
Abstract
This paper studied the effects of gibberellins(GA)and paclobutrazol(PAC)on the style curvature of ex-cised flower of A lpinia blepharocalyx at the dark and light conditions.The results showed that the first style curva-ture of two morphs(ana-morph and cata-morph)was not significantly affected by GA and PAC whenever in dark or in light.In dark condition,the second style curvature of ana-morph did not happen for CK and PAC treatment,but GA led to significant upward bending.Meanwhile in light condition,the styles of ana-morph all can bend upwardly for CK,GA and PAC treatment,and there was no significant difference among them.The stigma-anther angle(SAA)of cata-morph was significantly higher when styles were put in light than in dark.In dark condition,PAC can en-hanced the second style curvature of cata-morph in dark,but the difference was not significant than CK and GA.In light condition,there was no significant difference among them.These results suggested that GA played a different role in different morph,or in different movement stage of one morph.
关键词
花柱运动/光照/赤霉素/多效唑/云南草蔻Key words
style curvature/light,gibberellin/paclobutrazol/alpinia blepharocalyx引用本文复制引用
出版年
2024
NETL
NSTL
万方数据