https://www.selleckchem.com/pr....oducts/qnz-evp4593.h
The diel patterns of stem carbon dioxide efflux (Es) were determined for cycads, monocots, and woody eudicot and gymnosperm tree species. Stem Es at a height of 30-40 cm was measured every 2 h throughout 31-h campaigns. Our range of Es was 1.5-4.0 µmol·m-2·s-1 for cycads, 1.0-3.5 µmol·m-2·s-1 for arborescent monocots, and 1.5-4.5 µmol·m-2·s-1 for woody eudicot and gymnosperm trees species. Time of day did not influence Es of cycads or monocots. In contrast, the woody stems of eudicots and gymnosperms exhibited diurnal Es that was 36
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