Table 1.

Day and night mean values of temperature (°C), relative humidity (%) and vapour pressure deficit (VPD) (kPa) of the four treatments, ±SE, n = 154

Treatment	Temperature		Relative humidity		VPD
	Day	Night	Day	Night	Day	Night
T1	11.2 ± 0.04	93 ± 0.05	81.9 ± 0.4	86.8 ± 0.4	0.24 ± 0.01	0.16 ± 0.01
T2	14.7 ± 0.03	116 ± 0.05	76.9 ± 0.3	81.8 ± 0.5	0.39 ± 0.01	0.25 ± 0.01
T3	18.0 ± 0.02	155 ± 0.03	75.2 ± 0.4	76.1 ± 0.4	0.51 ± 0.01	0.42 ± 0.01
T4	21.4 ± 0.03	189 ± 0.04	72.7 ± 0.4	73.0 ± 0.5	0.70 ± 0.01	0.59 ± 0.01