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Identifying and exploiting genes controlling root system architecture for improving drought tolerance in cereals

Code: 9781835450307
Publication date: 08/01/2024
Extent: 42 pages

Contributions by: Eric S. Ober and Anya Heathcote, NIAB, UK

Chapter synopsis:

In water-limited environments, productivity is directly related to crop evapotranspiration: increased grain yield requires increased inputs of water, whether through rainfall, irrigation or removal of stored soil moisture. The supply of water to the shoot depends on the growth, development and function of the root system. This chapter will review advances in understanding the genetic control of root systems, and how this information could be used in crop improvement programmes for drought-prone areas.



DOI: 10.19103/AS.2022.0109.10

Open Access

This is an open access chapter distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY).

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Table of contents
  • 1 Introduction
  • 2 Root system architecture ideotypes for water-limited environments
  • 3 Root-derived hydraulic and hormonal signals
  • 4 Plasticity of root growth
  • 5 Rootmicrobe interactions
  • 6 Role of roots in supporting yield stability across water regimes
  • 7 Breeding for root traits to improve drought tolerance
  • 8 Future trends in research
  • 9 Conclusion
  • 10 Where to look for further information
  • 11 References

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