A roadmap for plant-microbiome breeding to enhance plant stress tolerance.
Shi S, Bastías DA, Wang H, Faville M, O'Callaghan M
Soil Health
Food on your plate and the plants in your garden could soon be bred not just for yield or taste, but for their ability to team up with soil microbes that help them survive droughts and heatwaves — reducing the need for chemical fertilizers and making crops more reliable as the climate changes.
Plants aren't loners — they constantly partner with tiny microorganisms in the soil that help them grow and handle stress like drought or heat. Scientists currently sell some of these helpful microbes as products farmers can apply, but they often don't stick around or work reliably. This research proposes a new plan: breed plants that are genetically 'tuned' to attract and hold onto the right microbial partners, creating lasting, natural teamwork between plants and soil life.
Key Findings
Commercial microbial inoculant products exist but show inconsistent field performance, limiting their widespread adoption in agriculture.
Recent studies have identified specific plant genes that control which beneficial microorganisms a plant recruits from the surrounding soil.
A collaborative framework between plant breeders and microbiologists could create stable, long-term plant-microbiome partnerships designed to boost stress tolerance and food security.
chevron_right Technical Summary
Scientists are calling for a new approach to farming: breeding crops to actively attract and keep beneficial soil microbes that help plants survive drought, heat, and other stresses. By matching plant genetics with compatible microbial partners, this strategy could produce more resilient crops without relying solely on synthetic inputs.
Abstract Preview
Plants constantly form associations with microorganisms, and some are vital for plant performance, especially under stress conditions. Although some microorganisms have been developed into commerci...
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