Construction of a genetic linkage map and QTL analysis in bambara groundnut

被引：15

作者：

Ahmad, Nariman Salih ^{[1
]}

Redjeki, Endah Sri ^{[2
]}

Ho, Wai Kuan ^{[3
,4
]}

Aliyu, Siise ^{[3
,4
,5
]}

Mayes, Katie ^{[6
]}

Massawe, Festo ^{[3
]}

Kilian, Andrzej ^{[7
]}

Mayes, Sean ^{[4
,6
]}

机构：

[1] Sulaimani Univ, Fac Agr Sci, Dept Crop Sci, Kurdistan, Iraq

[2] Muhammadiyah Univ, Fac Agr, Gresik, Indonesia

[3] Univ Nottingham Malaysia Campus, Jalan Broga, Semenyih 43500, Selangor, Malaysia

[4] Crops Future, Jalan Broga, Semenyih 43500, Selangor, Malaysia

[5] CSIR Savannah Agr Res Inst, Nyankpala N R, Ghana

[6] Univ Nottingham, Plant & Crop Sci Div, Sutton Bonington Campus, Loughborough LE12 5RD, Leics, England

[7] Univ Canberra, Divers Array Technol Pty Ltd, Bldg 3,Level D, Kirinari St Bruce, ACT 2617, Australia

来源：

GENOME | 2016年 / 59卷 / 07期

关键词：

bambara groundnut; breeding; genetic mapping; QTL analysis; VIGNA-SUBTERRANEA L; MARKER-ASSISTED SELECTION; SOIL-MOISTURE; VERDC; CROP; DIVERSITY; GROWTH; POPULATION; AFRICA; TRAITS;

D O I：

10.1139/gen-2015-0153

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Bambara groundnut (Vigna subterranea (L.) Verdc.) is an indigenous underutilized legume that has the potential to improve food security in semi-arid Africa. So far, there are a lack of reports of controlled breeding populations that could be used for variety development and genetic studies. We report here the construction of the first genetic linkage map of bambara groundnut using a F-3 population derived from a "narrow" cross between two domesticated landraces (Tiga Nicuru and DipC) with marked divergence in phenotypic traits. The map consists of 238 DArT array and SSR based markers in 21 linkage groups with a total genetic distance of 608.3 cM. In addition, phenotypic traits were evaluated for a quantitative trait loci (QTL) analysis over two generations. A total of 36 significant QTLs were detected for 19 traits. The phenotypic effect explained by a single QTL ranged from 11.6% to 49.9%. Two stable QTLs were mapped for internode length and growth habit. The identified QTLs could be useful for marker-assisted selection in bambara groundnut breeding programmes.

引用

页码：459 / 472

页数：14

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