Impact of a short-term heat event on C and N relations in shoots vs. roots of the stress-tolerant C4 grass, Andropogon gerardii
Global warming will increase heat waves, but effects of abrupt heat stress on shoot–root
interactions have rarely been studied in heat-tolerant species, and abrupt heat-stress effects
on root N uptake and shoot C flux to roots and soil remains uncertain. We investigated
effects of a high-temperature event on shoot vs. root growth and function, including transfer
of shoot C to roots and soil and uptake and translocation of soil N by roots in the warm-
season drought-tolerant C 4 prairie grass, Andropogon gerardii. We heated plants in the lab …
interactions have rarely been studied in heat-tolerant species, and abrupt heat-stress effects
on root N uptake and shoot C flux to roots and soil remains uncertain. We investigated
effects of a high-temperature event on shoot vs. root growth and function, including transfer
of shoot C to roots and soil and uptake and translocation of soil N by roots in the warm-
season drought-tolerant C 4 prairie grass, Andropogon gerardii. We heated plants in the lab …
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