Corn's Hidden Highways
Emily Unglesbee DTN Staff Reporter
Mon Jul 28, 2014 10:20 AM CDT

Where some people see a humble corn plant, University of Missouri biologist David Braun sees a busy, ambitious interstate highway. Carbohydrates -- often in the form of sugars -- steer deftly around the vasculature of the plant, exiting and entering this internal thoroughfare as they deliver essential resources to various parts of the plant.

For example, during vegetative growth stages, sugars are routed to the young leaves and stem. During grain fill, those same nutrients hit the HOV lane and fast track their way to the corn ears.

This process, known as carbon partitioning, is integral to the plant's growth ...

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