乌兰布和沙漠10种植物叶片PV曲线水分参数与解剖特征关系

段瑞兵, 张瑞, 王乐乐, 张亚鑫, 杨战, 董雪, 马迎宾

Relationship between leaf PV curve water parameters and anatomical characteristics of ten plants spieces in the Ulan Buh Desert

Ruibing Duan, Rui Zhang, Lele Wang, Yaxin Zhang, Zhan Yang, Xue Dong, Yingbin Ma

表1 乌兰布和沙漠10种植物叶片/同化枝PV性状

Table 1 PV traits of leaves/assimilating branches in ten woody plant species from the Ulan Buh Desert

树种 光合途径 Ψtlp/MPa Ψ0/MPa Cleaf/(mol·m-2·MPa-1) ε/MPa RWCtlp/% 白刺 C3 -2.45±0.11 -1.33±0.12 1.28 ±0.23 7.51±1.36 85.91±1.39 沙棘 C3 -1.97±0.07 -1.64±0.09 1.36±0. 11 8.65±1.46 86.53±1.43 霸王 C4 -3.39±0.16 -2.50±0.17 1.43±0. 08 10.52±0.69 83.45±0.74 柽柳 C3 -1.98±0.03 -1.85±0.08 0.61±0.11 27.79±5.88 96.93±.0.68 黑沙蒿 C4 -1.52±0.07 -1.40±0.06 1.85±0.23 7.25±0.88 93.05±0.99 花棒 C3 -1.68±0.06 -1.57±0.06 2.74±0.07 6.61±0.40 93.39±0.56 沙拐枣 C4 -1.82±0.13 -1.57±0.07 3.04±0.35 7.99±1.27 88.64±1.84 梭梭 C4 -3.44±0.11 -2.66±0.09 1.98±0.19 14.20±1.11 86.35±1.15 柠条 C3 -2.07±0.04 -1.75±0.09 1.03±0.13 6.39±1.25 77.07±3.09 沙冬青 C3 -2.56±0.09 -2.14±0.06 1.06±0.08 12.24±0.63 87.09±1.86 变异系数CV/% 29.16 25.30 49.32 66.24 6.89