Loading...
Please wait, while we are loading the content...
Similar Documents
Quantitative Trait Locus Mapping for Drought Tolerance in Soybean Recombinant Inbred Line Population
| Content Provider | MDPI |
|---|---|
| Author | Dhungana, Sanjeev Kumar Park, Ji-Hee Oh, Jae-Hyeon Kang, Beom-Kyu Seo, Jeong-Hyun Sung, Jung-Sook Kim, Hong-Sik Shin, Sang-Ouk Baek, In-Youl Jung, Chan-Sik |
| Copyright Year | 2021 |
| Description | Improving drought stress tolerance of soybean could be an effective way to minimize the yield reduction in the drought prevailing regions. Identification of drought tolerance-related quantitative trait loci (QTLs) is useful to facilitate the development of stress-tolerant varieties. This study aimed to identify the QTLs for drought tolerance in soybean using a recombinant inbred line (RIL) population developed from the cross between a drought-tolerant ‘PI416937’ and a susceptible ‘Cheonsang’ cultivar. Phenotyping was done with a weighted drought coefficient derived from the vegetative and reproductive traits. The genetic map was constructed using 2648 polymorphic SNP markers that distributed on 20 chromosomes with a mean genetic distance of 1.36 cM between markers. A total of 10 QTLs with 3.52–4.7 logarithm of odds value accounting for up to 12.9% phenotypic variance were identified on seven chromosomes. Five chromosomes—2, 7, 10, 14, and 20—contained one QTL each, and chromosomes 1 and 19 harbored two and three QTLs, respectively. The chromosomal locations of seven QTLs overlapped or located close to the related QTLs and/or potential candidate genes reported earlier. The QTLs and closely linked markers could be utilized in maker-assisted selection to accelerate the breeding for drought tolerance in soybean. |
| Starting Page | 1816 |
| e-ISSN | 22237747 |
| DOI | 10.3390/plants10091816 |
| Journal | Plants |
| Issue Number | 9 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-08-31 |
| Access Restriction | Open |
| Subject Keyword | Plants Agronomy Candidate Gene Quantitative Trait Locus Recombinant Inbred Line Soybean Drought Tolerance Weighted Drought Coefficient |
| Content Type | Text |
| Resource Type | Article |