多年来一直从事作物抗旱耐盐生理及分子机制方面的研究工作。围绕棉花的抗旱耐盐生理及分子调控机理这个核心方向开展研究，在主流期刊上发表研究论文60余篇，主持抗旱耐盐相关课题多项，包括国家自然科学基金青年基金（已结题）、国家自然科学基金面上项目（2022年结题）、江苏省自然科学基金3项（结题2项，在研1项）、国家重点研发等国家级和省级项目，授权发明专利6项，审（鉴）定品种7个。
南京农业大学 遗传学 With Certificate of Graduation for Doctorate Study Doctoral Degree in Science
南京农业大学 生物技术 University graduated Bachelor's degree
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南京农业大学农学院 教师
干旱和盐碱是影响作物生长发育的主要逆境胁迫因子，棉花是抗旱耐逆的先锋作物。以棉花为研究材料，开展抗逆关键基因挖掘、分子机理探究和耐逆种质创制研究
朱国忠,朱呈滨,姬晨晖,谭勇琳,成政,张大勇,尚小光,郭旺珍.棉花全基因组核心SNP位点筛选与评价,作物学报,2026,52(7):1954-1965(Participating authors)
Chen Chuan, Zhang Dayong, Feng Ye, Li Weixi, Shen Jian, Mi Xinyue, Guo Wangzhen.Cotton GhMKK5-GhMPK13 cascade regulates resistance to verticillium wilt by phosphorylating GhBES1-GhPEL75-mediated molecular module,Plant physiology,2026,202(1):-(co-first author)
Zhang Dayong, Zhu Qingfeng, Qin Pu, Yu Lu, Li Weixi, Sun Hao.The Peptide-Encoding CLE25 Gene Modulates Drought Response in Cotton,AGRICULTURE-BASEL,2025,15(11):-(First and corresponding author)
Mi Xinyue,Li Weixi,Chen Chuan,Xu Huijuan,Wang Guilin,Jin Xuanxiang,Zhang Dayong,Guo Wangzhen.GhMPK9-GhRAF39_1-GhWRKY40a Regulates the GhERF1b-and GhABF2-Mediated Pathways to Increase Cotton Disease Resistance,ADVANCED SCIENCE,2024,(Participating authors)
Wu Huaxiang,Song Xiaohui,Waqas-Amjid Muhammad,Chen Chuan,Zhang Dayong,Guo Wangzhen.Mining elite loci and candidate genes for root morphology-related traits at the seedling stage by genome-wide association studies in upland cotton (Gossypium hirsutum L.),JOURNAL OF INTEGRATIVE AGRICULTURE,2024,23(10):3406-3418(Participating authors)
Zhang Dayong, Li Miaomiao, Chen Chuan, Wang Ying, Cheng Zimeng, Li Weixi, Guo Wangzhen.Downregulation of GhALKBH10B improves drought tolerance through increasing the stability of photosynthesis related- and ABA signaling pathway genes in cotton,ENVIRONMENTAL AND EXPERIMENTAL BOTANY,2024,220:-(First Author)
【Breed】朱协飞,尚小光,张大勇，南农068，CNA20191003009，2023
【Breed】朱协飞,张大勇,尚小光，南农030，CNA20191003008，2023
【Breed】朱协飞,张大勇,尚小光，南农024，CNA20191003006，2023
【Breed】朱协飞,尚小光,张大勇，南农069，CNA20191003010，2023
【Patent】郭旺珍,张大勇,2018101136，一种棉花抗旱相关基因GhDT1及其应用，ZL201911282662.1，2022
【Patent】郭旺珍,张大勇,钮鑫，一种棉花抗旱相关基因GhRCHY1及其应用，ZL201911281727.0，2022
