Phloem damage (%) | Xylem damage (%) | ||||||
---|---|---|---|---|---|---|---|
Temp (°C)a | Expecteda | Observedb | Signifc | Expecteda | Observedb | Signifc | |
aTemperature and corresponding expected damage determined using LTE analysis. | |||||||
bObserved damage determined from visual evaluation of frozen cane samples following LTE analysis. | |||||||
cMean (n ≥ 4) differences tested by χ2 analysis; * and ns significant at p = 0.05 or not significant, respectively. | |||||||
Chardonnay | |||||||
+2 | 0 | 5 | * | 0 | 0 | ns | |
−14 | 20 | 14 | ns | 0 | 0 | ns | |
−17 | 100 | 95 | ns | 0 | 0 | ns | |
−18 | 100 | 94 | ns | 20 | 30 | ns | |
−26 | 100 | 100 | ns | 50 | 57 | ns | |
Cabernet Sauvignon | |||||||
+2 | 0 | 8 | * | 0 | 0 | ns | |
−17 | 20 | 21 | ns | 0 | 0 | ns | |
−20 | 100 | 80 | * | 0 | 0 | ns | |
−23 | 100 | 100 | ns | 20 | 28 | ns | |
−28 | 100 | 100 | ns | 50 | 63 | ns |