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白菜型油菜雄性不育材料广丰A的研究 被引量:11

Preliminary Study on Cytoplasmic Male Sterile Line"Guangfeng A "in Brassica chinensis.
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摘要 对白菜型油菜品种“广丰油菜”(Brassica chinensis)中的雄性不育株,通过测交、选择和回交育成白菜型油菜雄性不育材料广丰A。广丰A属核质互作的细胞质不育类型。根据广丰A的育性变化与29A—样,可能受高温和积温的共同影响,并具有一些共同的保持品种和恢复品种。广丰A与29A可能是同型细胞质。由于白菜型油菜自交衰退严重,对白菜型油菜“三系”选育中,自交所需的代数提出了讨论。 A male sterile line'Guangfeng A'has been bred by test cross and back cross from the male sterile plants found in local variety (Brassica chinensis) of jiangxi province in May, 1990. The line maybe belong to CMS line according to preliminary study. It is probable that the CMS line has the same cytoplasm with'29A' found by us in 1989,as they have common maintainers and restores and the same response to temperature. The generations needed in maintainer,restoring and sterile lines breeding of B. campestris.less than that of B. napus, as depression of inbreeding,was also disscussed.
出处 《安徽农业科学》 CAS 1993年第4期337-339,共3页 Journal of Anhui Agricultural Sciences
关键词 白菜型油菜 雄性不育 广丰A Brassica chinensis,CMS,Cytoplasm,Accumulated temperature
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