Identification of quantitative trait loci underlying resistance to southern root-knot and reniform nematodes in soybean accession PI 567516C

被引：0
作者：
Yongqing Jiao
Tri D. Vuong
Yang Liu
Zenglu Li
Jim Noe
Robert T. Robbins
Trupti Joshi
Dong Xu
J. Grover Shannon
Henry T. Nguyen
机构：
[1] University of Missouri,Division of Plant Sciences and National Center for Soybean Biotechnology (NCSB)
[2] University of Missouri,Computer Science Department and Christopher S Bond Life Sciences Center, Informatics Institute
[3] University of Georgia,Center for Applied Genetic Technologies and Department of Crop and Soil Sciences
[4] University of Georgia,Department of Plant Pathology
[5] University of Arkansas,Department of Plant Pathology
[6] University of Missouri,Division of Plant Sciences and National Center for Soybean Biotechnology (NCSB)
[7] Delta Center,Key Laboratory of Oil Crop Biology of the Ministry of Agriculture
[8] Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences,undefined
来源：
Molecular Breeding | 2015年 / 35卷
关键词：
Southern root-knot nematode; Reniform nematode; QTL; Soybean; PI 567516C;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Soybean cyst nematode (SCN, Heterodera glycine Ichinohe), southern root-knot nematode [SRKN, Meloidogyne incognita (Kofoid and White) Chitwood] and reniform nematode (RN, Rotylenchulus reniformis Linford and Oliveira) are three important plant–parasitic pests in soybean. Previous study showed that plant introduction (PI) 567516C harbored novel quantitative trait loci (QTL) conferring SCN resistance to soybean. However, QTL underlying resistance to SRKN and RN in PI 567516C remain unknown. The objectives of this study were to identify QTL for resistance to SRKN and RN in PI 567516C. Two hundred and forty-seven F6:9 recombinant inbred lines, derived from a cross between cultivar Magellan and PI 567516C, were evaluated for resistance to SRKN and RN. Two hundred and thirty-eight simple sequence repeats and 687 single nucleotide polymorphism markers were used to construct a genetic linkage map. Three significant QTL associated with resistance to SRKN were mapped on chromosomes (Chrs.) 10, 13 and 17. Two significant QTL associated with resistance to RN were detected on Chrs. 11 and 18. Whole-genome resequencing revealed that there might be Peking-type Rhg1 in PI 567516C. Our study provides useful information to employ PI 567516C in soybean breeding in order to develop new cultivars with resistance to multiple nematodes.
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