江西农业大学学报2018，Vol.40Issue(1)：109-117,9.DOI:10.13836/j.jjau.2018015
湿地松×加勒比松杂种木材密度QTL定位分析
Mapping QTLs for Wood Density of Pinus elliottii × Pinus caribaea
摘要
Abstract
A F1 population consisted of 86 individuals was from a cross of a female parent of Pinus elliottii and a male parent of Pinus caribaea.The linkage maps of Pinus caribaea with ESTP,SSR,AFLP,CAD and PAL1 markers were constructed.Using Genemap software the comprehensive linkage map was drawn.The Pinus caribaea parental map consisted of 70 SSR,125 AFLP,3 ESTP and the PAL1 markers was divided into 32 linkage group with a total length of 1 734 cM(Kosambi)and an average marker interval of(10.6 ±7.8)cM, which covered 92% of the whole genome.The average wood density of 86 plants was determined by map soft-ware of MapQTL 4.0.Six linkage groups associated with wood density were detected and these QTLs taits main-ly concentrated on a few linkage groups.Loci explaining more than 20% of the phenotypic variance were identi-fied for many traits in the sections of PR117M and PR256M on the linkage group of H2 Pc7.Parts of the QTLs traits clustered on two small groups and showed pleiotropism models.关键词
湿地松/加勒比松/遗传图谱/QTL定位/木材密度Key words
Pinus elliottii/Pinus caribaea/genetic maps/QTL locationing/wood density分类
农业科技引用本文复制引用
林艳,黄少伟,毛积鹏,何紫迪,蒋开彬..湿地松×加勒比松杂种木材密度QTL定位分析[J].江西农业大学学报,2018,40(1):109-117,9.基金项目
国家自然科学基金项目(30671706)Project supported by the National Natural Science Foundation of China(30671706) （30671706）
