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Wheat with increased grain-bearing number and method for producing same, and chemical for increasing grain-bearing number of wheat
专利权人:
National Institute of Agrobiological Sciences
发明人:
Komatsuda, Takao,Matsumoto, Takashi,Sakuma, Shun,Ogawa, Taiichi
申请号:
AU2013285840
公开号:
AU2013285840A1
申请日:
2013.07.08
申请国别(地区):
AU
年份:
2015
代理人:
摘要:
It was discovered that Vrs1 gene was strongly expressed in the pistils of sterile lateral spikelets of two-row barley. Thus, it was clarified that VRS1 protein inhibits the ripening of florets in lateral spikelets. Further, it was clarified that, by introducing an siRNA specific to Vrs1 gene into two-row barley, the fertility of lateral spikelets can be restored and the grain-bearing number can be increased. Wheat-origin Vrs1 gene was isolated for the first time and it was clarified that the expression site of this gene is specific to upper florets that are sterile in spikelets. Furthermore, it was proved that, by introducing an siRNA specific to wheat Vrs1 gene into wheat, the floret number and grain-bearing number per spikelet can be increased. As a result, a method and a chemical for increasing the grain-bearing number per spikelet of wheat can be provided.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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