AI Article Synopsis
- Soybean is a major oil crop with production significantly affected by drought in China, a major agricultural challenge.
- The study evaluated 264 soybean accessions using various drought resistance indicators and identified 17 varieties that show strong drought tolerance during germination.
- Through Genome-Wide Association Studies, 92 SNPs and 9 candidate genes related to drought tolerance were found, and two KASP markers were developed to aid in breeding drought-resistant soybean varieties.
Article Abstract
Soybean [(L.)Merr.] is a leading oil-bearing crop and cultivated globally over a vast scale. The agricultural landscape in China faces a formidable challenge with drought significantly impacting soybean production. In this study, we treated a natural population of 264 Chinese soybean accessions using 15% PEG-6000 and used GR, GE, GI, RGR, RGE, RGI and ASFV as evaluation index. Using the ASFV, we screened 17 strong drought-tolerant soybean germplasm in the germination stage. Leveraging 2,597,425 high-density SNP markers, we conducted Genome-Wide Association Studies (GWAS) and identified 92 SNPs and 9 candidate genes significantly associated with drought tolerance. Furthermore, we developed two KASP markers for S14_5147797 and S18_53902767, which closely linked to drought tolerance. This research not only enriches the pool of soybean germplasm resources but also establishes a robust foundation for the molecular breeding of drought tolerance soybean varieties.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10902137 | PMC |
| http://dx.doi.org/10.3389/fpls.2024.1352379 | DOI Listing |
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