Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 72, Issue 14, Pages 5134-5157Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/erab256
Keywords
Abiotic; big data; breeding; climate resilience; environment; genetic resources; genomics; international collaboration; phenomics; physiology
Categories
Funding
- Foundation for Food and Agriculture Research [DFs19-0000000013]
- CGIAR Research Program on Wheat (CRP-WHEAT)
- Government of Australia
- Government of Belgium
- Government of Canada
- Government of China
- Government of France
- Government of India
- Government of Japan
- Government of Korea
- Government of Netherlands
- Government of New Zealand
- Government of Norway
- Government of Sweden
- Government of Switzerland
- Government of UK
- Government of USA
- World Bank
- Secretariat of Agriculture and Rural Development (SADER, Government of Mexico)
- Bill and Melinda Gates Foundation
- Foreign Commonwealth and Development Office [INV-003439]
- United States Agency for International Development [9 MTO 069033]
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The review highlights the opportunities for enhancing heat and drought resilience in wheat through innovative breeding technologies, including the use of new tools in genetics and remote sensing, as well as identifying climate resilience traits from global wheat genetic resources. By improving crop design targets, developing field-based screening tools, applying genomic technologies, and advancing next-generation breeding methods, a research pipeline is created to boost heat and drought resilience.
Despite being the world's most widely grown crop, research investments in wheat (Triticum aestivum and Triticum durum) fall behind those in other staple crops. Current yield gains will not meet 2050 needs, and climate stresses compound this challenge. However, there is good evidence that heat and drought resilience can be boosted through translating promising ideas into novel breeding technologies using powerful new tools in genetics and remote sensing, for example. Such technologies can also be applied to identify climate resilience traits from among the vast and largely untapped reserve of wheat genetic resources in collections worldwide. This review describes multi-pronged research opportunities at the focus of the Heat and Drought Wheat Improvement Consortium (coordinated by CIMMYT), which together create a pipeline to boost heat and drought resilience, specifically: improving crop design targets using big data approaches; developing phenomic tools for field-based screening and research; applying genomic technologies to elucidate the bases of climate resilience traits; and applying these outputs in developing next-generation breeding methods. The global impact of these outputs will be validated through the International Wheat Improvement Network, a global germplasm development and testing system that contributes key productivity traits to approximately half of the global wheat-growing area.
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