Treatment | Number of storage root per plant | Weight of storage root per plant (kg) | Fresh storage root yield (t∙ha−1) | Starch content (%) | Harvest index |
Planting method (M) |
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Vertical | 10.7 a | 6.1 | 60.6 a | 28.1 | 0.74 |
Horizontal | 8.9 b | 5.3 | 54.3 b | 27.8 | 0.77 |
Cultivar (C) |
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|
Rayong-7 | 10.3 a | 6.7 a | 67.4 a | 28.5 ab | 0.78 ab |
Rayong-11 | 10.8 a | 5.4 ab | 54.6 ab | 28.9 a | 0.75 bc |
Rayong-72 | 7.7 b | 5.3 ab | 49.7 b | 26.4 b | 0.81 a |
Huaybong-80 | 10.1 ab | 4.8 b | 55.0 ab | 29.4 a | 0.70 c |
E-dum | 10.2 a | 6.1 ab | 60.4 ab | 26.6 b | 0.72 c |
F-test |
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M | * | ns | * | ns | ns |
C | * | * | * | * | ** |
M × C | ns | ns | ns | * | ns |