‘寒富’苹果树茎流特征及其对环境因子的响应
夏桂敏,孙媛媛,王玮志,吴奇,迟道才

The Characteristics of Sap Flow of Hanfu Apple Trees and Its Response to Environmental Factors
XIA GuiMin,SUN YuanYuan,WANG WeiZhi,WU Qi,CHI DaoCai
表2 ‘寒富’苹果树茎流速率月际动态变化规律
Table 2 Inter-monthly dynamic change of sap velocity rate on sunny days environmental factor daily mean of Hanfu apple trees
月份Month 观测
日期
Date
环境因子日均值 Environmental factor daily mean 启动时间
Start-up time
到达峰值
时刻
Peak time
峰值
Peak value (cm·h-1)
下降时刻
Fall
time
平均茎流速率
Mean sap velocity (cm·h-1)
太阳净辐射
Rn
(W·m-2)
大气温度
T
(℃)
空气相对
湿度
RH (%)
风速
Ws
(m·s-1)
10cm土壤体积含水率10cm soil moisture content (%)
5 2017.5.19 285.98 28.91 29.93 2.66 12.11 6:30 12:30 7.17 17:00 3.41
6 2017.6.17 232.30 30.81 25.01 2.63 21.72 6:00 8:30 12.63 16:30 5.45
7 2017.7.17 314.94 29.78 50.96 2.26 18.38 6:30 9:30 14.25 17:00 5.89
8 2017.8.11 290.49 28.78 49.50 1.36 17.80 6:30 9:00 15.60 17:00 6.16
9 2017.9.15 172.57 22.00 40.94 1.32 14.98 7:00 10:00 13.92 14:30 4.75
10 2017.10.13 156.23 11.64 26.80 1.51 19.27 8:30 14:00 13.86 15:30 5.06