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  5. Improvment of Heterotic Potential in Brassica napus via Introgressing Genomic Components of B.olerac

Improvment of Heterotic Potential in Brassica napus via Introgressing Genomic Components of B.olerac

来源 :第十九届国际十字花科遗传学会及芸薹属2014年年会 | 被引量 : 0次 | 上传用户：sibsiufeuhfhkshu
【摘 要】
：
It is an important strategy to improve Brassica napus with use of natural variations of B.oleracea.However,the cytogenetic and genetic characterizations and heteosis potential in the progenies between
【作 者】
：
Q.F. Li Q.H. Zhou Y.J. Zhang Z.F. Chen J.Q. Mei J.N. Li Z.Y. Li X.H. Ge Y.J.Huang J.K. Mckay W. Qian 
【机 构】
：
College of Agronomy and Biotechnology,Southwest University,Chongqing 400716,China;Bioagricultural Sc
【出 处】
：
第十九届国际十字花科遗传学会及芸薹属2014年年会
【发表日期】
：
2014年5期
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It is an important strategy to improve Brassica napus with use of natural variations of B.oleracea.However,the cytogenetic and genetic characterizations and heteosis potential in the progenies between B.napus and B.oleracea have remained poorly understood.In the present study,various chromosome pairings in pollen mother cells of F1 hybrids between B.napus and B.oleracea at diakinesis were found with the predominant configuration of 9Ⅱ + 10Ⅰ,and the segregation pattern of 9:19 exhibited high frequency relative to the theoretic distribution at anaphase Ⅰ.
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