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Table 1 Comparison of estimated light-saturated photosynthesis (Pm) and light saturation point (Im) in trembling aspen (P. tremuloides) plants after one week of treatments. Means ± SE (n = 3) are shown. Different letters indicate significant difference (P ≤ 0.05)

From: Ethylene enhances root water transport and aquaporin expression in trembling aspen (Populus tremuloides) exposed to root hypoxia

  A AE H HE
Pm (μmol CO2 m-2 s-1) 17.52 ± 0.93a 18.71 ± 1.02ab 3.65 ± 1.88c 9.83 ± 0.38bc
Im (μmol m-2 s-1) 1481.16 ± 101.89a 1402.99 ± 43.43a 747.67 ± 163.74b 975.33 ± 115.59c