Journal article
Genetic diversity of root system architecture in response to drought stress in grain legumes
Journal of Experimental Botany, Vol.69(13), pp.3267-3277
2018
Abstract
Climate change has increased the occurrence of extreme weather patterns globally, causing significant reductions in crop production, and hence threatening food security. In order to meet the food demand of the growing world population, a faster rate of genetic gains leading to productivity enhancement for major crops is required. Grain legumes are an essential commodity in optimal human diets and animal feed because of their unique nutritional composition. Currently, limited water is a major constraint in grain legume production. Root system architecture (RSA) is an important developmental and agronomic trait, which plays vital roles in plant adaptation and productivity under water-limited environments. A deep and proliferative root system helps extract sufficient water and nutrients under these stress conditions. The integrated genetics and genomics approach to dissect molecular processes from genome to phenome is key to achieve increased water capture and use efficiency through developing better root systems. Success in crop improvement under drought depends on discovery and utilization of genetic variations existing in the germplasm. In this review, we summarize current progress in the genetic diversity in major legume crops, quantitative trait loci (QTLs) associated with RSA, and the importance and applications of recent discoveries associated with the beneficial root traits towards better RSA for enhanced drought tolerance and yield.
Details
- Title
- Genetic diversity of root system architecture in response to drought stress in grain legumes
- Authors/Creators
- H. Ye (Author/Creator)M. Roorkiwal (Author/Creator)B. Valliyodan (Author/Creator)L. Zhou (Author/Creator)P. Chen (Author/Creator)R.K. Varshney (Author/Creator)H.T. Nguyen (Author/Creator)
- Publication Details
- Journal of Experimental Botany, Vol.69(13), pp.3267-3277
- Publisher
- Oxford University Press
- Identifiers
- 991005543334107891
- Copyright
- © 2018 Society for Experimental Biology
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.424 Crop Yield Optimization
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science