2006•Acta Agriculturae Boreali-SinicaRequires access

Preliminary Study on the Relationship Between Cytoplasmic Male Sterility and the Contents of Flower Bud Endogenous Hormone in Tobacco

Qiyuan Liu

Abstract

The dynamic changes of the indole acetic acid(IAA), gibberellin(GA-3),zeatin(ZT) and abscisic acid(ABA) contents in flower buds of tobacco cytoplasmic male sterility(CMS) and homolog maintainer lines were determined by high-performance liquid chromatogram.The results showed that from small bud → middle bud → big bud,the content of IAA and ZT in CMS buds were higher than in maintainer line buds.While the content of GA-3 and ABA in CMS buds were lower than in maintainer line buds.It was suggested that the changes of endogenous hormone contents were closely related with the occurrence of cytoplasmic male sterility.

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Key concepts: Software maintainer, Gibberellin, Abscisic acid, Bud, Sterility, Zeatin, Cytoplasm, Biology