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植物学报 >

2016 , Vol. 51 >Issue 5: 601 - 608

DOI: https://doi.org/10.11983/CBB16003

研究报告

茄子分子遗传图谱的构建及果实性状的QTL定位

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  • 1哈尔滨市农业科学院, 哈尔滨 150028
    2东北农业大学园艺学院, 哈尔滨 150030
    3湖北省农业科学院经济作物研究所, 武汉 430064

# 共同第一作者

收稿日期: 2016-01-06

  录用日期: 2016-04-26

  网络出版日期: 2016-09-27

基金资助

国家科技支撑计划(No.2012BAD02B00, No.2012BAD02B02)

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Construction of a Genetic Map and QTL Mapping of Fruit-related Traits in Eggplant (Solanum melongena)

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  • 1Harbin Academy of Agricultural Sciences, Harbin 150028, China
    2College of Horticulture, Northeast Agricultural University, Harbin 150030, China
    3Cash Crops Research Institute, Hubei Academy of Agricultural Sciences, Wuhan 430064, China

# Co-first authors

Received date: 2016-01-06

  Accepted date: 2016-04-26

  Online published: 2016-09-27

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摘要

以茄子(Solanum melongena)材料09-101-M和10TL-102-F4-1的重组自交系(RIL)为作图群体, 构建总长度为991.7 cM、共包含16个连锁群157个位点、平均图距为6.32 cM的遗传图谱。应用复合区间作图法(CIM), 共检测到18个与茄子果实性状相关的QTLs, 其中10个为主效QTLs, 8个QTLs在两年两点的实验中能够被重复检测到。在所有QTLs中, 控制果重的QTL fw1.1的效应值最大, 为23.8%-31.6%, 被定位在LG01 (E09)上E25M34-E33M57b区域内; 果长、果径与果重显著相关, 且控制果长、果径与果重的QTL位于同一连锁群的相同区域。

本文引用格式

谢立峰, 李烨, 李景富, 李宁 . 茄子分子遗传图谱的构建及果实性状的QTL定位[J]. 植物学报, 2016 , 51(5) : 601 -608 . DOI: 10.11983/CBB16003

Abstract

A linkage map of eggplant (Solanum melongena) was constructed for an intraspecific RIL population derived from a cross between 09-101-M and 10TL-102-F4-1. The map contains 157 markers, encompasses 16 linkage groups, spanning 991.7 cM and spaced at an average interval of 6.32 cM. Composite interval mapping analysis with genotypic data from 157 molecular markers revealed the positions of 18 quantitative trait loci (QTL) for fruit-related traits. Ten of the QTLs identified were major QTLs, and 8 QTLs in corresponding positions were detected in both experimental locations and years. In all QTLs, the effect value of QTL fw1.1, located on LG01 (E09) E25M34-E33M57b and controlling fruit weight was the largest, reaching 23.8% to 31.6%. Fruit length and fruit diameter were significantly correlated with fruit weight, and the QTLs controlling fruit length, fruit diameter and fruit weight were in similar map positions.

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