文献类型: 外文期刊
第一作者: Dou, Xinxin
作者: Dou, Xinxin;Zou, Xiaoyan;Li, Xixiang;Shen, Di;Wang, Haiping
作者机构:
关键词: cucumber;multi-pistillate flowers;joint analysis of six generations;inheritance
期刊名称:IV INTERNATIONAL SYMPOSIUM ON CUCURBITS
ISSN: 0567-7572
年卷期: 2010 年 871 卷
页码:
收录情况: SCI
摘要: In this study, F-1, BC1P1, BC1P2 and F-2 populations were derived from the cross between the inbred line '1613EF' (P-1) with multi-pistillate flowers and the inbred line 'YX05-3-10' (P-2) with single pistillate flower. The inheritance of the node rate of multi-pistillate flowers in cucumber plant was studied by joint analysis of six generations based on major gene plus polygene mixed inheritance model. The main results were obtained as: high rate of multi-pistillate flowers node was recessive or partially recessive. The fittest model for the character was two major genes plus polygenes mixed inheritance model. In the F-2 population, the heritability of major genes was 84.37%. In the BC1P1 and BC1P2 populations, the heritability of major genes was 64.30 and 61.41% respectively. In the BC1P1 generation, the heritability of polygenes was 16.03%, the heritability of polygenes in BC1P2 and F-2 was 0 and 2.83%. The environment played certain role in the rate of the nodes with multi-pistillate flowers and the environment variance was 12.8 similar to 38.6%.
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