期刊
PLANT BREEDING
卷 124, 期 1, 页码 5-8出版社
BLACKWELL VERLAG GMBH
DOI: 10.1111/j.1439-0523.2004.01048.x
关键词
Brassica juncea; Brassica napus; CMS; fertility restoration; molecular mapping; RAPD marker
A novel cytoplasmic male sterility-fertility restoration system has been developed in rapeseed (Brassica napus). The cytoplasmic male sterile line 681A was derived from a spontaneous male sterile mutant in a newly released double-low rapeseed cultivar 'Xiangyou 13'. The restorer line 714R was identified in the interspecific progeny from a B. napus x B. juncea-cross. Genetic analysis showed that fertility restoration for 681A cytoplasmic male sterility was controlled by a single dominant nuclear gene which might originate from B. juncea. The RAPD marker S1039(-520) was found to be linked to the restorer gene in F-2 progeny of 681A x 714R with a recombination frequency of 5.45%.
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