Changes in resource partitioning between and within organs support growth adjustment to neighbor proximity in Brassicaceae seedlings [Plant Biology]

In shade-intolerant plants, the perception of proximate neighbors rapidly induces architectural changes resulting in elongated stems and reduced leaf size. Sensing and signaling steps triggering this modified growth program have been identified. However, the underlying changes in resource allocation that fuel stem growth remain poorly understood. Through 14CO2 pulse labeling...

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