[1]郑永战,盖钧镒,周瑞宝,等.大豆脂肪及脂肪酸组分含量的遗传分析[J].大豆科学,2007,26(06):801-806.[doi:10.3969/j.issn.1000-9841.2007.06.001]
　ZHENG Yong-zhan,GAI Jun-yi,ZHOU Rui-bao,et al.INHERITANCE OF FAT AND FATTY ACID COMPOSITION CONTENTS IN SOYBEAN[J].Soybean Science,2007,26(06):801-806.[doi:10.3969/j.issn.1000-9841.2007.06.001]
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大豆脂肪及脂肪酸组分含量的遗传分析

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第26卷 期数: 2007年06期 页码: 801-806 栏目: 出版日期: 2007-12-25
Title:
INHERITANCE OF FAT AND FATTY ACID COMPOSITION CONTENTS IN SOYBEAN
文章编号:
1000-9841(2007)06-0801-06
作者:
郑永战1; 3; 盖钧镒1; 周瑞宝2; 田少君2; 卢为国1; 3; 李卫东3
1.南京农业大学大豆研究所/国家大豆改良中心/作物遗传与种质创新国家重点实验室，南京210095；
2.河南工业大学大豆精深加工研究所，郑州 450052；
3.河南省农科院棉花油料作物研究所，郑州 450002
Author(s):
ZHENG Yong-zhan1; 3; GAI Jun-yi1; ZHOU Rui-bao2; TIAN Shao-jun2; LU Wei-guo1; 3; LI Wei-dong3
1. Soybean Research Institute，Nanjing Agricultural University/National Center for Soybean Improvement/National Key Laboratory for Crop Genetics and Germplasm Enhancement,Nanjing 210095；
2. Soybean Processing Research Institute，Henan University of Technology,Zhengzhou 450052；
3. Institute of Cotton and Oil Crops，Henan Academy of Agricultural Sciences,Zhengzhou 450002
关键词:
大豆; 脂肪; 脂肪酸组分; 遗传机制; 主基因＋多基因混合遗传模型
Keywords:
Soybean [Glycine max(L.)Merr.]; Fat; Fatty acid composition; Inheritance; Major gene + polygene mixed inheritance model
分类号:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.06.001
文献标志码:
A
摘要:
以Essex×ZDD2315的P1、P2、F1、BC1F3为材料，用主基因＋多基因混合遗传模型，分析大豆脂肪及脂肪酸组分含量的遗传机制及相关关系。结果表明，大豆脂肪含量受2对加性互补主基因＋多基因控制，主基因遗传率为16.23%，多基因遗传率为53.49%；棕榈酸、硬脂酸和亚油酸均为3对主基因＋多基因遗传模型，其中均有2对主基因效应为等加性，主基因遗传率分别为71.63%，91.51%和91.59%，棕榈酸多基因遗传率为14.78%，硬脂酸和亚油酸未估计出多基因遗传率；油酸为3对加性主基因遗传模型，其中2对主基因效应为等加性，主基因遗传率为74.66%；亚麻酸为2对等加性主基因＋多基因遗传模型，主基因遗传率为41.98%，多基因遗传率为24.17%。相关分析结果，棕榈酸、亚麻酸与脂肪呈极显著负相关(-0.272、-0.325)；油酸与亚油酸亚麻酸呈极显著负相关(-0.833、-0.604)；亚油酸和亚麻酸呈极显著正相关(0.287)；棕榈酸与油酸亚油酸呈极显著和显著负相关(-0.255和-0.211)；硬脂酸与亚油酸呈极显著负相关(-0.310)。因此,脂肪及脂肪酸组分含量的遗传涉及到主效基因和多基因，脂肪及亚麻酸含量的主基因遗传率较低，其它性状主基因遗传率均在70%以上，改善脂肪含量要注重多基因的积累，改善脂肪酸组分可着重在主基因的利用，提高脂肪含量与改善脂肪酸组分无突出矛盾。
Abstract:
Genetic improvement of fat and fatty acid composition content of soybean seed is interesting to both farmers and processors. The objective of this study was aimed at revealing the genetic mechanism of fat and fatty acid composition content in soybean. Genetic analysis were performed under major gene + polygene mixed inheritance model in the P1，P2，F1，and BC1F3 of the cross Esse×ZDD2315. The results showed that fat content and linolenic acid content of the cross were controlled by two major genes plus polygenes，with the major gene heritability of 16.23%，and 41.98%，respectively，and polygene heritability of 53.49%，and 24.17%，respectively. Three major genes and polygenes contributed to the inheritance of palmitic，linoleic and stearic acids contents，with the major gene heritability of 71.63%，91.59%，and 91.51%，respectively，and polygene heritability of 14.78% in palmitic acid，but no polygenes detected in linoleic and stearic acids. The inheritance of oleic acid content was controlled by three major additive genes，with the heritability of 74.66%. The conclusions were as follows：the inheritance of fat and fatty acid composition content in soybean involved with both major genes and polygenes；while for other fatty acids mainly due to major genes with their heritability of more than 70%，the major gene heritability of fat and linolenic acid contents were smaller. In the improvement of fat content，accumulating polygenes should be emphasized，while utilization of major genes is preferred for fatty acid improvement. There will be no serious contradictions in the improvement of both fat content and fat quality traits.

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备注/Memo

基金项目：国家自然科学基金资助项目(30490250);国家重点基础研究发展规划项目(2002CB111304，2004CB7206，2006CB101708);国家863项目(2002AA211052，2006AA100104);长江学者和创新团队发展计划资助项目(PCSIRT)

作者简介：郑永战（1963-），男，博士研究生，副研究员，研究方向为油料作物遗传育种。E-mail: zhengyongzhan@yahoo.com.cn
通讯作者：盖钧镒，教授，中国工程院院士。Tel：025-84395405；E-mail：sri@njau.edu.cn 周瑞宝，教授。 Tel：0371-67788985;E-mail：rbzhou0615@163.com

更新日期/Last Update: 2014-10-19