中国水稻科学
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  1997, Vol. 11 Issue (2): 118-120     DOI:
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Genetic Variability of Protein Content of Grain in Rice Hybrid Progenies
He Guanghua; Xie Rong; Zheng Jiakui; Yin Guoda; Yang Zhenglin; Zuo Yongquan; Zuo Yongshu; Huang Jianguo; Shao Qiming
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Abstract P1, P2, F1, F2, B1, B2 in five combinations were used as materials and the genetic variability of grain protein content were analyzed. The results show protein content in rice grain belongs to quantitative traits controlled by polygene, F1 and backcross generations present approximately normal distribution in continuous variation. There are some plants whose protein content of grain are higher than parents with high content among segregating generations. Selection was undertaken beginning with low generations, it is probable to obtain fine individuals. Parents' protein content affects progenies, whereas the female parents have much bigger effect. It is beneficial to use parents with high protein content as female parents in breeding combinations.
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Articles by authors
He Guanghua
Xie Rong
Zheng Jiakui
Yin Guoda
Yang Zhenglin
Zuo Yongquan
Zuo Yongshu
Huang Jianguo
Key wordshybrid progeny   genetic variability   protein content     
Received: 1900-01-01;
Cite this article:   
He Guanghua,Xie Rong,Zheng Jiakui et al. Genetic Variability of Protein Content of Grain in Rice Hybrid Progenies[J]. , 1997, 11(2): 118-120 .
 
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