小麦DH群体穗下节间直径茎壁厚及茎壁面积的QTL定位.pdf

作物学报 ACTA AGRONOMICA SINICA 2010, 36(1): 61−67 /zwxb/ ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2010.00061 小麦DH 群体穗下节间直径、茎壁厚及茎壁面积的QTL 定位 桑 云1 赵 亮2 张坤普2 田纪春2,* 叶宝兴1,* 1 / , 271018; 2 / , 271018 : 3 57 168 DH , , 324 SSR , QTL 10 6 , 3 2D3D 5D (2 ) 4 QTLs, 3 , 2D 5D QTL , 11.37% 10.98%, 6 : ; ; ; ; DH Mapping QTLs for Uppermost Internode Diameter and Thickness and Area of Culm Wall with Doubled-Haploid Population in Wheat 1 2 2 2,* 1,* SANG Yun , ZHAO Liang , ZHANG Kun-Pu , TIAN Ji-Chun , and YE Bao-Xing 1 College of Life Science / State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai’an 271018, China; 2 Group of Quality Wheat Breeding, College of Agronomy / State Key Laboratory of Crop Biology / Shandong Agricultural University, Tai’an 271018, China Abstract: A population of 168 doubled haploid derived from two elite Chinese wheat (Triticum aestivum L.) cultivars Huapei 3 and Yumai 57, grown in two continuous cropping seasons in Tai’an, Shandong province, was used to investigate the genetic basis of uppermost internode diameter (UID) and thickness (CWT) and area (CWA) of culm wall in wheat. The quantitative trait loci (QTLs) for each trait were analyzed based on the constructed molecular linkage map of this population, including 324 SSR mark- ers covering the whole wheat genome. The additive e