New white wine grape cultivar ‘Colline Verte’
2020
Amemiya, H. (Yamanashi Fruit Experiment Station, Yamanashi (Japan)) | Mitsumori, M. | Ueno, T. | Tezuka, T. | Udo, Y. | Miyake, M. | Kobayashi, M. | Kondo, M. | Saito, N. | Saito, T. | Bessho, H.
'Colline Verte' is the result of a cross between 'Chardonnay' and 'Kerner' in 1993. 'Colline Verte' berries ripen around mid to late August in Yamanashi City. Its harvest date, August 21, is 10 days earlier than that of 'Chardonnay'. Flower shatter is minimal. Berry density is high or very high. Its bunch weight is approximately the same as that of 'Chardonnay', i.e., 252 g. Juice sugar content is relatively high at 19.2%. Acid content is also appropriate at 0.70 g・100 /mL. The berry has no scent. Use of the Guyot pruning system resulted in almost no skin cracking, whereas the simple pergola short-cane pruning system resulted in very little cracking. The cold hardiness of 'Colline Verte' is inferior to that of 'Chardonnay'. The alcohol content and extracted components in 'Colline Verte' wine are approximately the same as those in 'Chardonnay' and 'Kai Blanc' wines. Sensory evaluation results are also the same, and the wine has a scent somewhat similar to that of 'Kerner' wine.
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