地表臭氧浓度升高与干旱交互作用对杨树非结构性碳水化合物积累和叶根分配的短期影响

周慧敏,李品,冯兆忠,张殷波

Short-term effects of combined elevated ozone and limited irrigation on accumulation and allocation of non-structural carbohydrates in leaves and roots of poplar sapling

ZHOU Hui-Min,LI Pin,FENG Zhao-Zhong,ZHANG Yin-Bo

表1 O3和干旱对杨树叶片和细根中非结构性碳水化合物(TNC)组分的方差分析结果

Table 1 Analysis of variance analysis of non-structural carbohydrates (TNC) components in leaves and fine roots of poplar by O3 and drought

臭氧 O3 干旱 Drought 臭氧×干旱 O3 × Drought 叶片 Leaf 葡萄糖 Glucose 0.047 0.239 0.685 果糖 Fructose 0.004 0.563 0.394 蔗糖 Sucrose 0.217 0.384 0.995 多糖 Polysaccharide 0.128 0.227 0.039 总可溶性糖 Total soluble sugar 0.003 0.449 0.009 淀粉 Starch 0.002 0.130 0.885 TNC 0.027 0.257 0.231 细根 Root 葡萄糖 Glucose 0.546 0.282 0.980 果糖 Fructose 0.768 <0.001 0.459 蔗糖 Sucrose 0.970 0.002 0.455 多糖 Polysaccharide 0.575 0.025 0.245 总可溶性糖 Total soluble sugar 0.494 0.168 0.157 淀粉 Starch 0.291 0.946 0.661 TNC 0.294 0.244 0.177 细根/叶片 Fine root/ Leaf 总可溶性糖 Total soluble sugar 0.193 0.427 0.013 淀粉 Starch 0.005 0.237 0.372 TNC 0.005 0.03 0.022