Mapping local climate stress could speed up tougher crop breeding
Sun G, Araus JL, Schnable JC, Xu J, Nguyen HT
Climate Adaptation
The stunted tomatoes in one yard and the thriving ones next door often come down to microclimate differences that this kind of environmental mapping is designed to finally account for in breeding.
Breeders have long focused mostly on plant genetics, but a plant's environment, things like heat spikes, drought timing, and soil conditions, shapes how well it actually performs just as much. This review argues for systematically cataloging those environmental stresses in detail so scientists can breed crops that are matched to the real conditions they'll face. Combined with genetic and molecular data, this could speed up development of crop varieties suited to a changing climate.
Key Findings
About 60% of historical crop yield gains are attributed to improved resilience against abiotic stresses like drought and heat
Enviromics uses high-throughput environmental characterization to better dissect genotype-by-environment interactions in predictive breeding models
The authors propose integrating enviromic data with multi-omics and predictive modeling to accelerate development of climate-resilient crop varieties
chevron_right Technical Summary
Scientists are pushing a new approach called 'enviromics' that maps environmental stresses in fine detail so plant breeders can design crops built for specific climate conditions, from drought to heat to poor soil.
Abstract Preview
Original paper
Enviromics and Abiotic Enviromics: Enhancing Stress Biology and Plant Resilience Breeding.
Crop breeding faces mounting challenges from climate change, population growth, and shrinking farmland. While management and genetic improvement have contributed to yield gains, sustainable agricul...
open_in_new Read full abstractAbstract copyright held by the original publisher.
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Crop-improvement refers to the systematic enhancement of plant varieties through selective breeding, genetic modification, and biotechnological approaches to develop cultivars with superior agronomic, nutritional, or environmental traits. This field is essential for addressing global food security,
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