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. 2014 Mar 24;14:72. doi: 10.1186/1471-2229-14-72

Table 1.

Results of ANCOVA for effects of the humidification treatment and fast-imposed water deficit on leaf water status, temperature, gas exchange and hydraulic conductance (N = 117–124)

Dependent variable Effect Statistical significance Partial η 2
Leaf water potential, ΨL
 Treatment
 P < 0.001
 0.090
 
 Branch water status
 P < 0.001
 0.763
Leaf temperature, TL
 Treatment
 ns
 -
 
 Branch water status
 P < 0.001
 0.246
Leaf conductance to water vapour, gL
 Treatment
 P < 0.001
 0.101
 
 Branch water status
 P < 0.001
 0.544
Transpiration rate, E
 Treatment
 P < 0.001
 0.088
 
 Branch water status
 P < 0.001
 0.401
 
 Leaf temperature
 P < 0.001
 0.127
Stomatal conductance, gS
 Treatment
 P = 0.026
 0.041
 
 Branch water status
 P < 0.001
 0.543
 
 Leaf temperature
 P = 0.021
 0.044
Ratio of intercellular to ambient CO2 concentrations, Ci/Ca
 Treatment
 ns
 -
 
 Branch water status
 P < 0.001
 0.338
Net photosynthesis, An
 Treatment
 ns
 -
 
 Branch water status
 P < 0.001
 0.518
 
 Leaf temperature
 P = 0.039
 0.037
Intrinsic water-use efficiency, IWUE
 Treatment
 ns
 -
 
 Branch water status
 P < 0.001
 0.140
Leaf hydraulic conductance, KL
 Treatment
 P = 0.022
 0.039
 
 Leaf water status
 P < 0.001
 0.433
  Leaf temperature P = 0.004 0.062

ns, not significant.