Segregation ratio in selfed and crossed progenies demonstrates single dominant gene inheritance of day-neutrality in strawberry

文献类型： 外文期刊

第一作者： Ruan, Jiwei

作者： Ruan, Jiwei;Yang, Chunmei;Wang, Guoxian;Wu, Lifang;Li, Shenchong;Wang, Jihua;Ruan, Jiwei;Yang, Chunmei;Wang, Guoxian;Wu, Lifang;Li, Shenchong;Liao, Chengfei;Wang, Jihua;Tao, Pang;Liao, Chengfei;Yeoung, Young Rog

作者机构：

关键词： day-neutral;Fragariaxananassa;photoperiod-independent flowering;segregation ratio;seedlings;single dominant gene inheritance

期刊名称：HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY （ 影响因子：1.842； 五年影响因子：2.083 ）

ISSN： 2211-3452

年卷期： 2017 年 58 卷 6 期

页码：

收录情况： SCI

摘要： Studies on the inheritance of day-neutrality, a highly desirable trait in strawberry (Fragariaxananassa), have not been conclusive because flowering phenotypes were evaluated based on different materials and experimental sites. In the present study, selfed and crossed progenies of Day-neutral (DN) 'Albion' and June-bearing (JB) 'Akihime' cultivars, namely 'Albion' x 'Albion', 'Akihime' x 'Akihime', and 'Akihime' x 'Albion', were established in 2013 and 2014. The flowering phenotype (DN or JB) of seedlings from each of the three progenies, as well as of parental plants, was evaluated for two successive years (2015 and 2016) in Central Yunnan, China, and their segregation ratios were used to elucidate day-neutrality inheritance. Single dominant gene inheritance was demonstrated for day-neutrality, although minor genes (from the JB parent 'Akihime') likely increase DN magnitude. During the juvenile stage (i.e., long before the first inflorescence), the major gene controlling day-neutrality may not be expressed. We provide basic information for DN gene mapping and cloning, as well as materials (progenies) for domestic DN strawberry breeding.

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