Certain soil microbes, shaped by maize roots releasing natural chemicals called benzoxazinoids, help the next generation of plants grow faster and fight off disease simultaneously — overturning the common assumption that growth and immunity trade off against each other.
1
Arabidopsis plants grown in benzoxazinoid-conditioned soil showed measurably improved growth and more advanced development compared to controls
2
The same plants mounted stronger resistance against the fungal pathogen Botrytis cinerea, with enhanced defense gene expression detectable in shoot tissue
3
Growth and defense improvements occurred simultaneously via defense priming — not a trade-off — challenging the conventional growth-immunity resource conflict model
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