首页|Crop root system architecture in drought response

Crop root system architecture in drought response

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Drought is a natural disaster that profoundly impacts on global agricultural production,significantly reduces crop yields,and thereby poses a severe threat to worldwide food security.Addressing the challenge of effectively improving crop drought resistance(DR)to mitigate yield loss under drought conditions is a global issue.An optimal root system architecture(RSA)plays a pivotal role in enhancing the capacity of crops to efficiently uptake water and nutrients,which consequently strengthens their resilience against environ-mental stresses.In this review,we discuss the compositions and roles of crop RSA and summarize the most recent developments in augmenting drought tolerance in crops by manipulating RSA-related genes.Based on the current research,we propose the potential optimal RSA configuration that could be helpful in enhancing crop DR.Lastly,we discuss the existing challenges and future directions for breeding crops with enhanced DR capabilities through genetic improvements targeting RSA.

CropDrought resistanceRoot system architectureGenetic improvement

Yanjun Zhang、Xi Wu、Xingrong Wang、Mingqiu Dai、Yunling Peng

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College of Agronomy,Gansu Agricultural University,Lanzhou,Gansu 730070,China

State Key Laboratory of Aridland Crop Science,Gansu Agricultural University,Lanzhou,Gansu 730070,China

Crop Research Institute,Gansu Academy of Agricultural Sciences,Lanzhou,Gansu 730070,China

Key Laboratory of Crop Gene Resources and Germplasm Innovation in Northwest Cold and Arid Regions,Ministry of Agriculture and Rural Affairs,Lanzhou,Gansu 730070,China

National Key Laboratory of Crop Genetic Improvement,Huazhong Agricultural University,Wuhan,Hubei 430070,China

Hubei Hongshan Laboratory,Wuhan,Hubei 430070,China

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2025

10.1016/j.jgg.2024.05.001

遗传学报
中国遗传学会 中国科学院遗传与发育生物学研究所

遗传学报

影响因子：0.821
ISSN：1673-8527
年,卷(期)：2025.52(1)