Research Article
Visual and Keeping Quality of Stored Bulb Onions as Affected by Harvest and Postharvest Treatments
Table 4
Visual quality of bulb onions subjected to harvest and postharvest treatments.
| Factors | Treatments | Skin rots | Skin colour | % marketable grade |
| Harvesting stage | 75% top fall | 0.44 C | 2.58 A | 97.75 A | 50% top fall | 2.06 B | 1.89 B | 71.14 B | 25% top fall | 5.33 A | 1.36 C | 13.92 C | value | <0.0001 | <0.0001 | <0.0001 | Standard error | 0.164 | 0.073 | 0.365 |
| Curing period | 2 weeks’ curing | 1.28 C | 2.44 A | 68.89 A | 1-week curing | 2.25 B | 1.89 B | 61.47 B | No curing | 4.31 A | 1.50 C | 52.44 C | value | <0.0001 | <0.0001 | <0.0001 | Standard error | 0.164 | 0.073 | 0.365 |
| Topping time | Topping after | 2.19 B | 2.06 A | 62.85 A | Topping before | 3.04 A | 1.83 B | 59.02 B | value | <0.0001 | 0.010 | <0.0001 | Standard error | 0.134 | 0.060 | 0.298 |
| Seasonal variations | Season 1 | 2.72 | 1.91 | 60.07 B | Season 2 | 2.50 | 1.98 | 61.80 A | value | 0.243NS | 0.383NS | <0.0001 | Standard error | 0.134 | 0.060 | 0.298 |
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Means followed by the same letter within the column for each treatment factors are not significantly different at alpha = 0.05; NS: not significant.
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