文献类型： 外文期刊
作者： Liu, Jixia 1 ; Shan, Junjian 1 ; Wang, Ping 1 ;
作者机构： 1.Ningxia Acad Agr & Forestry Sci, Crop Res Inst, Yinchuan 750002, Ningxia, Peoples R China
关键词： QTL; Ornamental sunflower; SLAF; Traits; Genetic map
期刊名称：PLANT MOLECULAR BIOLOGY REPORTER （ 影响因子：2.1； 五年影响因子：2.0 ）
ISSN： 0735-9640
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Quantitative trait locus (QTL) mapping and genetic map are of great significance for ornamental sunflowers in China. In this study, a total of 956.50 Mbp data were obtained, the average Q30 was 93.76%, the average GC content was 42.43%, and the GC distribution of the parents and F2 population of the ornamental sunflowers was normal. At the same time, the double-end comparison efficiency of control data was 90.28%, and the enzyme digestion efficiency was 92.01%. The Specific-Locus Amplified Fragment (SLAF) library construction was normal. Furthermore, a total of 734,893 SLAF markers were obtained, among which 127,855 were polymorphic SLAF markers and 38,908 could be used for genetic map construction, and the effective polymorphism of the parents was 5.29%. Moreover, we constructed a total of 17 linkage groups, with 6181 markers in the QTL mapping, the total map distance was 2608.66 cM, the marker integrity in the figure above was 99%, the proportion of double exchange was 0.05, the sequencing depth of the parents was 42.455 x , and the progeny was 9.24 x . The relationship of traits (plant height, stem diameter, disk diameter, number of petals, leaf number, stigma color, petal color, petiole color) and QTL mapping was closely related to show the best of ornamental effect.
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