The research shows that, gibberellin (GA) has a close relationship with dwarf mutant.
研究表明，赤霉素(GA)与植物矮化突变体的产生有密切关系。
Dwarf mutant has very important effect on elucidating regulation mechanism of stem development and plant breeding.
矮化突变体在阐明植物茎的生长发育调节机制和植物育种中具有十分重要的作用。
Results obtained in this research laid a theoretic foundation for application of the new dwarf mutant in rice breeding.
本文的研究结果为该新获得的突变体的进一步利用奠定了理论基础。
In order to apply it in rice improvement well and suitablely, the dwarf mutant was studied from the aspects of morphology, genetics, physiology and biochemistry.
为更好和合理地利用该突变体，对其进行了形态鉴定、遗传分析和理化特性分析。
At tillering stage, spraying GA solution to the dwarf mutant could promote the elongation of the first and the second internode, but no significant effect on the length of the third internode.
喷洒法的结果也表明，在分蘖期，外源GA主要是促进基部第一、第二节间伸长，而第三节间及叶片则无显著增长。
A rice floral mutant with twin-ovary and dwarf plant was isolated from the progenies of the combination of C2/Mianxiang 5B.
在籼稻保持系C2与绵香5B的杂交后代中发现了一个植株显著矮化的双子房突变体。
Primary observation to T2-generation showed that double mutant plant had obvious dwarf phenotype, but had no defect in leaf trichome and vasculature.
对T 2代双突变体植株表型初步观察显示，植株有明显矮化现象，但维管束和叶毛的发育基本正常。
Primary observation to T2-generation showed that double mutant plant had obvious dwarf phenotype, but had no defect in leaf trichome and vasculature.
对T 2代双突变体植株表型初步观察显示，植株有明显矮化现象，但维管束和叶毛的发育基本正常。
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