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当前位置: 首页 > 文章 > 黄瓜果刺大小遗传分析 中国蔬菜 2018 (6) 31-38
Position: Home > Articles > Genetic Analysis of Fruit Spine Base Size in Cucumis sativus China Vegetables 2018 (6) 31-38

黄瓜果刺大小遗传分析

作  者：
狄胜强;李豪;栾倩倩;王丽娜;李强;任仲海
关键词：
黄瓜;果刺大小;主基因;多基因;遗传分析
摘  要：
以大果刺黄瓜自交系CNS5和小果刺黄瓜自交系RNS4为亲本,构建P_1、F_1、P_2、B_1、B_2和F_26世代群体,利用主基因+多基因混合遗传模型多世代联合分析法,对连续两季的黄瓜果刺大小的表型值(基座直径)进行遗传分析,以探究黄瓜果刺大小性状的遗传规律。结果表明,黄瓜果刺大小的遗传符合C-0模型,即加性-显性-上位性多基因混合遗传模型。多基因加性和显性效应均为正向,基因上位性效应累计为正向。2016~2017年连续两季F_2群体中多基因遗传率分别是79.21%和71.25%,相对较高,环境效应分别为20.79%和28.75%,影响较小。在基因定位策略上,选择高代回交群体效果会更好。
译  名：
Genetic Analysis of Fruit Spine Base Size in Cucumis sativus
作  者：
DI Sheng-qiang;LI Hao;LUAN Qian-qian;WANG Li-na;LI Qiang;REN Zhong-hai;College of Horticultural Science and Engineering,Shandong Agricultural University,Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production,Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huang-Huai Region,Ministry of Agriculture,State Key Laboratory of Crop Biology;
单  位：
DI Sheng-qiang%LI Hao%LUAN Qian-qian%WANG Li-na%LI Qiang%REN Zhong-hai%College of Horticultural Science and Engineering,Shandong Agricultural University,Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production,Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huang-Huai Region,Ministry of Agriculture,State Key Laboratory of Crop Biology
关键词：
Cucumber;;Fruit spine size;;Major gene;;Polygene;;Genetic analysis
摘  要：
In order to explore the genetic law of cucumbers fruit spine base size,this paper took 2 cucumber inbred lines CNS5 with large fruit spine base and RNS4 with small fruit spine base as parents to construct 6 generations:P_1,F_1,P_2,B_1,B_2 and F_2;and utilized the major gene + polygene mixed inheritance model to analyze the phenotypic values of cucumber fruit spine base size.The results indicated that inheritance of cucumber fruit spine base size conforms to C-0 model,namely additivity-dominance-epistasis polygene model.Multi-gene additive,dominant and epistatic effects were all positive.Additionally,the polygene inheritabilities in F2 from 2016 and 2017 were 79.21% and 71.25%,respectively,which was relatively higher.The environmental effects in F2 was 20.79% and 28.75%,respectively,which had relatively smaller influence.Therefore,this study has provided a foundation for exploring genes related to fruit spine base size.As strategy for gene mapping,selecting high generation backcross populations will have better effect.

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