Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 31, Issue -, Pages 162-171Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2016.04.005
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Funding
- Grains Research & Development Corporation (GRDC)
- U.S. Agency for International Development (USAID)
- German Federal Ministry for Economy Cooperation and Development (BMZ)
- Secretariat of Agriculture, Livestock, Rural Development, Fisheries and Food (SAGARPA)
- International Wheat Yield Partnership (IWYP)
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Physiological breeding crosses parents with different complex but complementary traits to achieve cumulative gene action for yield, while selecting progeny using remote sensing, possibly in combination with genomic selection. Physiological approaches have already demonstrated significant genetic gains in Australia and several developing countries of the International Wheat Improvement Network. The techniques involved (see Graphical Abstract) also provide platforms for research and refinement of breeding methodologies. Recent examples of these include screening genetic resources for novel expression of Calvin cycle enzymes, identification of common genetic bases for heat and drought adaptation, and genetic dissection of trade-offs among yield components. Such information, combined with results from physiological crosses designed to test novel trait combinations, lead to more precise breeding strategies, and feed models of genotype-by-environment interaction to help build new plant types and experimental environments for future climates.
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