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Genetic analysis and associated SRAP markers for horticultural traits of Aechmea bromeliads

文献类型： 外文期刊

作者： Wang, Weiyong 1 ; Zhang, Fei 1 ; Yu, Xinying 1 ; Shen, Xiaolan 1 ; Ge, Yaying 1 ; Zhang, Zhi 2 ;

作者机构： 1.Zhejiang Acad Agr Sci, Flower Res & Dev Ctr, Hangzhou 311202, Zhejiang, Peoples R China

2.Taizhou Gen Stn Cash Crops, Jiaojiang 318000, Peoples R China

关键词： Aechmea bromeliads;Horticultural traits;Major gene plus polygene;SRAP markers

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）

ISSN： 0304-4238

年卷期： 2012 年 147 卷

页码：

收录情况： SCI

摘要： Despite the great economic importance of bromeliads in flower production, little information is available regarding the inheritance of their horticultural traits thus far. The present study was to investigate the inheritance pattern and useful molecular markers for plant height, plant width, inflorescence length, inflorescence width, and offsets of Aechmea bromeliads. The result showed that plant height was governed by two pairs of major genes exhibiting equal additivity, plant width by one pair of major genes with additivity and partial dominance, inflorescence width by two pairs of major genes with additivity-dominance-epistasis, and offsets by two pairs of major genes with additivity-dominance, whereas no major gene was detected for inflorescence length. The heritability of the detected major genes was >73%, suggesting the possibility of selecting for these traits in an early generation. The marker-trait analysis identified 22 potential SRAP markers for the five traits. The findings of major genes and associated SRAP markers are a useful start to future QTL dissection for these traits. (C) 2012 Elsevier B.V. All rights reserved.

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