The Spatiotemporal Genetic Architecture of Seed Vigor in Upland Cotton
Source abstract
Abstract
ABSTRACT Seed vigor underpins uniform crop establishment, but its dynamic genetics are understudied. Combining high‐resolution temporal phenotyping and genomics in upland cotton, we used the SeedRanger platform to record 17 image‐based traits every 30 min over 120 h, revealing stage‐specific heritability and identifying 541 seed‐vigor loci. These loci show extensive pleiotropy and temporal coordination, forming a genetic network that preserves developmental continuity; 8.9% overlap regions under domestication selection, indicating concurrent optimization with fiber yield. Functional validation of FLA2 , a candidate gene underlying a dynamic QTL, implicates auxin‐mediated control of radicle elongation and cotyledon development. This temporal framework exposes dynamic genetic architecture and breeding targets for high‐vigor crops.
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Research context
OpenAlex topics: Research in Cotton Cultivation · Lipid metabolism and biosynthesis · Plant Molecular Biology Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Cotton and Cash Crops Innovation Group Hainan Institute of Zhejiang University Yazhou Bay Science and Technology City Sanya Hainan China
Engineering Research Centre of Cotton Ministry of Education / College of Agriculture Xinjiang Agricultural University Urumqi China
Tropical Crops Genetic Resources Institute Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Crop Gene Resources and Germplasm Enhancement in Southern China Ministry of Agriculture Haikou China
State Key Laboratory of Plant Trait Design CAS Center for Excellence in Molecular Plant Sciences (CEMPS) Shanghai Institute of Plant Physiology and Ecology (SIPPE) Chinese Academy of Sciences (CAS) Shanghai China
Zhejiang Provincial Key Laboratory of Crop Genetic Resources The Advanced Seed Institute Plant Precision Breeding Academy College of Agriculture and Biotechnology Zhejiang University Hangzhou China
Data Sciences Department Crop Science Centre National Institute of Agricultural Botany (NIAB) University of Cambridge Cambridge UK
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities
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