Viticultural strategies for improving the ripening and aromatics in Gewurztraminer grapes

赛森企业有限公司生产葡萄已有10多年的历史，拥有温哥华岛上最大的葡萄园之一。由于葡萄园的最佳地理位置，赛森企业有限公司通常可以种植高质量的葡萄，并将其出售给顶级葡萄酒厂。赛森实业有限公司拥有高密度葡萄园，采用传统和旱作技术，获得浓郁的风味和优质的水果。在温哥华岛和海湾群岛，赛森企业有限公司是葡萄和葡萄酒行业的主要参与者。**温哥华岛和海湾群岛的葡萄种植面临着许多挑战。在这些挑战中，成熟缓慢和相对较短的生长季在某些季节严重制约了葡萄的香气积累和葡萄酒质量。尽管如此，温哥华岛和墨西哥湾群岛出产的优质葡萄酒得到了全国的认可。白葡萄和葡萄酒的质量受葡萄组织中积累的芳香物的数量的影响很大。特别是，在成熟后期积累的萜类化合物决定了几种葡萄和葡萄酒的典型香气，如Gewürztraminer。最近在葡萄园的试验表明，在某些阶段使用激素可以加速葡萄的成熟和/或改善葡萄和葡萄酒的芳香。然而，关于白葡萄的信息非常有限，特别是关于不同激素如何影响这些葡萄的浆果成熟过程和浆果成分的信息。**在这个项目中，我们将探索不同激素对Gewürztraminer葡萄园中萜类生物合成的相互作用。我们将研究这些处理对浆果生长和代谢(糖、酸和萜类)的影响。该项目的目标是向葡萄种植者提供关于控制浆果成熟和成分的信息，并制定新的葡萄栽培策略，以调节温哥华岛和海湾群岛种植的葡萄的浆果成熟和萜烯积累。

Saison Enterprises Ltd. has been producing grapes for more than 10 years and owns one of the largest vineyards in Vancouver Island. Because of the optimal location of its vineyard, Saison Enterprises Ltd. can normally grow high quality grapes that are sold to top wineries. Saison Enterprises Ltd. owns high-density vineyards and utilizes traditional and dry farming techniques to obtain concentrated flavours and high quality fruit. In Vancouver Island and Gulf Islands, Saison Enterprises Ltd. is a major player of the grape and wine industry.**Viticulture in Vancouver Island and the Gulf Islands faces numerous challenges. Among those challenges, slow ripening and a relatively short growing season are, in some seasons, serious constraints for aroma accumulation in grapes and for wine quality. Nevertheless, Vancouver Island and the Gulf Islands produce premium wines that are nationally recognised. The quality of white grapes and wines is strongly affected by the amount of aromatics that are accumulated in the grape tissues. Particularly, terpene compounds, that are accumulated during the late phases of ripening, determine the typical aroma of several grapes and wines such as Gewürztraminer. Recent experiments in vineyards have indicated that applying hormones at certain stages can accelerate ripening and/or improve the grape and wine aroma in aromatic varieties. However, very limited information is available for white grapes and particularly on how different hormones impact the berry ripening process and berry composition in these grapes. **In this project, we will explore the interactions of different hormones on terpene biosynthesis in a Gewürztraminer vineyard. We will investigate the effects of these treatments on berry growth and metabolism (sugars, acids, and terpenes). The goal of this project is to supply information to grape growers on the control of berry ripening and composition, and develop new viticultural strategies for modulating berry ripening and terpene accumulation in grapes grown in Vancouver Island and the Gulf Islands.