FLOWER DEVELOPMENT IN NORMAL TOMATO AND A GIBBERELLIN-DEFICIENT (ga-2) MUTANT
作者： Joan E. Nester , Jan A. D. Zeevaart
DOI: 10.1002/J.1537-2197.1988.TB12160.X
关键词:
摘要: Flower buds of a tomato (Lycopersicon esculentum Mill.) gibberellin-deficient mutant (ga-2/ga-2) were initiated, but did not develop to maturity and eventually aborted. If GA{sub 1} was applied developing inflorescence or stem tip, completion flower bud development fruit set occurred. In the ga-2 flowers, corolla stamens elongate style misshapen extended past tip anthers. Light microscope observation indicated that meiosis both microsporocytes megasporocytes occur. Cells sporogenous layer growth arrested they degenerated. The ovary normal in appearance. However, degenerated, giving rise cavity ovule. Thus, although GA is required for initiation tomato, it essential elongation stamens.
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