CHROMOSOME LOCATION AND SSR MARKERS OF A STRIPE RUST RESISTANCE GENE FROM WHEAT (TRITICUM AESTIVUM) LINE N9738

被引：0
作者：
Yang, Baoju [1 ]
Ji, Wanquan [1 ]
Wang, Changyou [1 ]
Xue, Fei [1 ]
Ali, M. [2 ]
Wang, Yajuan [1 ]
Zhang, Hong [1 ]
Liu, Xinlun [1 ]
机构：
[1] Northwest A&F Univ, Coll Agron, State Key Lab Crop Stress Biol Arid Areas, Yangling 712100, Shaanxi, Peoples R China
[2] Sindh Agr Univ, Dept Biotechnol, Tandojam Sindh, Pakistan
来源：
PAKISTAN JOURNAL OF BOTANY | 2013年 / 45卷 / 03期
关键词：
ADULT-PLANT RESISTANCE; WILD EMMER WHEAT; F-SP TRITICI; MOLECULAR MARKERS; LEAF RUST; DICOCCOIDES; LINKAGE; YRH52; YR15;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The objective of present study here was to determine the inheritance and chromosomal location of the resistance gene in N9738. The phenotypic data of F2 plants, from the crosses N9738/Huixianhong and N9738/Abbondanza, respectively, implied that the stripe rust resistance in N9738 was controlled by a single dominant gene, temporarily designated YrN9738. Monosomic (Nullisomic) analysis revealed YrN9738 is on wheat chromosome 1B. Seventy-eight SSR markers on chromosome 1B were screened on the parents and bulks. Four SSR markers (Xgpw7422, Xgpw5195, Xgpw7812, and Xcfd65) were used to construct a linkage map for YrN9738 and Xcfd65 was closely linked to YrN9738 with genetic distance of 3.5 cM. These linked markers were located on chromosome 1BL with Chinese Spring nullisomic-tetrasomics and ditelosomics of homoeologous group 1. Their presence in the deletion stocks of chromosome 1B located Xgpw7422 and Xgpw7812 in bin 1BL06-0.32-0.47 and Xgpw5195 in bin 1BL06-0.32. YrN9738 should be on wheat chromosome 1B near to the centromere and useful in wheat breeding programs.
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页码：719 / 724
页数：6
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