Postharvest water usage was significantly higher in plants
grown at low compared to high altitude; however the water usage
was not affected by the UV radiation (Fig. 3). Plants grown at the
lower altitude had twice as high water consumption than high
altitude-grown plants (Fig. 3). There was also a significant difference
in water consumption between cultivars; the cultivar Cygein
used more water as compared to the other two cultivars at low
altitude (Fig. 3). In line with this, in general, compared to lower
altitude-grown plants, plants grown at high altitude had a longer
postharvestlife that also correlated withthe postharvest symptoms
recorded (Table 4). Postharvest symptoms such as petal wilting and
leaf drying were more prominentin low altitude-grown plants than
high altitude (Table 4).