Table 1 The results of contrast analysis of selected biochemical and physiological parameters in sweet cherry leaves exposed to one (CT1), two (CT2) or three (CT3) overnight chillings, sampled at time 0 or time 24 and compared with control in Experiment I.
From: Response of chloroplast pigments, sugars and phenolics of sweet cherry leaves to chilling
CT1 | CT2 | CT3 | ||||
|---|---|---|---|---|---|---|
0 | 24 | 0 | 24 | 0 | 24 | |
Chlorophyll a | ns | ns | ns | ns | ns | ns |
Chlorophyll b | ns | ns | ns | ns | ns | ns |
Chlorophyll a/b | ns | ns | ns | ns | ns | ns |
Total chlorophylls | ns | ns | ns | ns | ns | ns |
β-carotene | ns | ns | ns | ns | ns | ns |
Lutein | ns | ns | ns | ns | ns | ns |
Neoxanthin | ns | ns | ns | ns | ns | ns |
Violaxanthin | ns | ns | ns | ns | ns | ns |
Antheraxanthin | ns | ns | ns | ns | ns | ns |
Zeaxanthin | ns | ns | ns | ns | ns | ns |
Total carotenoids | ns | ns | ns | ns | ns | ns |
VAZ | ns | ns | ns | ns | ns | ns |
AZ/VAZ | ns | ns | ns | ns | ↑*** | ns |
Fv/Fm | ns | ns | ns | ns | – | – |