QTL detection of yield-related traits of cashew

被引：8
|
作者：
Vasconcelos Cacalcanti, Jose Jaime [1 ]
Costa dos Santos, Francisco Herbeth [2 ]
da Silva, Fanuel Pereira [2 ]
Pinheiro, Cassia Renata [3 ]
机构：
[1] Embrapa Algodao, BR-58428095 Campina Grande, PB, Brazil
[2] Univ Fed Ceara, Dept Fitotecnia, BR-60451970 Fortaleza, Ceara, Brazil
[3] Univ Sao Paulo, Dept Genet, BR-13418900 Piracicaba, SP, Brazil
来源：
CROP BREEDING AND APPLIED BIOTECHNOLOGY | 2012年 / 12卷 / 01期
关键词：
Anacardium occidentale; genetic improvement; marked-assisted selection; GENETIC-LINKAGE MAPS; QUANTITATIVE TRAITS; LOCI;
D O I：
10.1590/S1984-70332012000100008
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The identification of quantitative trait loci (QTL) and marker-assisted selection with a view to breeding programs have aroused great interest, including for cashew improvement. This study identified QTL for yield-related traits: nut weight, male and hermaphrodite flowers. The traits were evaluated in 71 F-1 genotypes of the cross CCP 1001 x CP 96. The methods of interval mapping and multiple QTL mapping were applied to identify QTL. Eleven QTL were detected: three for nut weight, four for male flowers and four for hermaphrodite flowers. The QTL accounted for 3.79 to 12.98 % of the total phenotypic variance and had phenotypic effects of -31.81 to 34.25 %. The potential for marker-assisted selection of the QTL hf-2f and hf-3m is great and the phenotypic effects and percentage of phenotypic variation higher than of the others.
引用
收藏
页码：60 / 66
页数：7
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