Linkage mapping and QTL analysis in coconut (Cocos nucifera L.)

被引：19
|
作者：
Herrán, A
Estioko, L
Becker, D
Rodriguez, MJB
Rohde, W
Ritter, E
机构：
[1] Neiker, Vitoria 01080, Spain
[2] PCA Albay Res Ctr, Albay 4503, Philippines
[3] MPI Zuchtungsforsch, D-50829 Cologne, Germany
来源：
THEORETICAL AND APPLIED GENETICS | 2000年 / 101卷 / 1-2期
关键词：
AFLP; DNA markers; early germination; ISSR; ISTR; RAPD;
D O I：
10.1007/s001220051482
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Different DNA marker types were used to construct linkage maps in coconut (Cocos nucifera L.; 2n = 32) for the two parents of the cross Malayan Yellow Dwarf (MYD) x Laguna Tall (LAGT). A total of 382 markers was sufficient to generate 16 linkage groups for each parent. The total genome length corresponded to 2226 cM for the LAGT map and 1266 cM for the MYD map with 4-32 markers per linkage group. Common markers allowed the association of 9 linkage groups for the two parents MYD and LAGT. QTL analysis for the trail early germination identified six loci. These QTLs correlate with early flowering and yield, representing characters which are important in coconut breeding. The co-segregation of makers with these QTLs provides the first opportunity for marker-assisted selection in coconut breeding programmes.
引用
收藏
页码：292 / 300
页数：9
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