Table 3.
Comparison of soluble solids (°Brix) and concentration of sucrose, glucose, fructose and total sugars (mg/ml) in juice of ripe ‘Albion’ strawberry fruit treated with Harvista (1-MCP), Ethephon or water at four development stages (Green, White, Pink and Red) plus an absolute control (No Dip).
Stage | Dip treatment | Soluble solids | Sugar concentration (mg/ml) | |||
---|---|---|---|---|---|---|
Sucrose | Glucose | Fructose | Total Sugars | |||
– | NoDip | 6.58 | 2.19 | 4.52 | 4.94 | 11.7 |
Green | 1-MCP | 7.53 | 1.74 | 3.98 | 4.36 | 10.1 |
Ethephon | 6.91 | 1.78 | 3.62 | 4.08 | 9.47 | |
Water | 7.50 | 1.84 | 3.84 | 4.24 | 9.92 | |
White | 1-MCP | 6.63 | 1.64 | 4.03 | 4.42 | 10.1 |
Ethephon | 6.50 | 1.64 | 4.33 | 4.81 | 10.8 | |
Water | 6.42 | 2.21 | 4.54 | 4.96 | 11.7 | |
Pink | 1-MCP | 7.06 | 1.54 | 3.85 | 4.25 | 9.64 |
Ethephon | 6.84 | 1.56 | 4.13 | 4.57 | 10.3 | |
Water | 7.59 | 1.57 | 4.18 | 4.65 | 10.4 | |
Red | 1-MCP | 7.01 | 1.83 | 4.67 | 5.10 | 12.2 |
Ethephon | 6.48 | 1.87 | 4.15 | 4.60 | 10.6 | |
Water | 6.66 | 2.06 | 4.36 | 4.79 | 11.2 | |
Grand Mean | 6.90 | 1.80 | 4.17 | 4.60 | 10.6 | |
SEM | 0.304 | 0.234 | 0.250 | 0.275 | 0.756 | |
F probability | ||||||
Main effects | Stage | 0.009 | NS | 0.033 | 0.050 | 0.076 |
Dips | NS | NS | NS | NS | NS | |
Stage x Dips | NS | NS | NS | NS | NS | |
Contrasts | G vs W | 0.003 | NS | 0.023 | 0.032 | NS |
P vs R | 0.079 | 0.066 | NS | NS | 0.054 |
NS, No significant difference (P > 0.10).