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| Last visit was: 04 May 2026, 20:04 |
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Difficulty:
Question Stats:
84% (01:19) correct
16%
(01:36)
wrong
based on 573
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History
| Variety | Root diameter (cm) | Root color | Heat tolerance | Cold tolerance | Yield (t/ha) |
|---|---|---|---|---|---|
| Aishinku | 12 | red | weak | medium | 65 |
| Hakuhai | 11 | white | weak | strong | 60 |
| Hakuju | 10 | white | medium | medium | 70 |
| Hakutaka | 10 | white | weak | strong | 70 |
| Natsumaki | 8 | white | strong | strong | 72 |
| Omasa | 18 | white | weak | medium | 65 |
| Shirayuki | 12 | white | weak | strong | 52 |
| Takamaru | 10 | white | strong | strong | 70 |
| Yes | No | |
| Each variety with an average root diameter of at least 12 cm is rated weak for heat tolerance. | ||
| Each variety rated strong for cold tolerance has expected average yields of at least 60 t/ha. | ||
| Each variety rated medium for heat tolerance is rated medium for cold tolerance. |
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