Introduction Vines with too much yield are often maturing too slowly or producing a fruit of suboptimal quality for wine. A typical practice to reduce yield …
Can early defoliation improve fruit and wine quality from high yielding vines?
Category: TerraClima
2017 Climatic Conditions in Napa, and What We Can Prepare for in 2018
The 2017 Napa Vintage Report kicked off with Gregory V. Jones PhD., Director of Wine Education and professor and research climatologist in the Department of Environmental …
Bioclimatic indices of the ripening period (2) : Thermal conditions at night
The Cool Night Index The Cool Night Index was created to study nocturnal conditions of grapes ripening according to the different wine-making regions (Tonietto, 1999 …
Sluggish ripening dynamics: who is the culprit in 2017 in Northern California?
This discussion is a follow up with our last blog on the 2017 maturation What is the situation end of september? A general disorder in sugar …
What is the link between root temperature, vine reserve and berry ripening?
If you read this blog you are probably interested in understanding the complexity of vine response to contrasted environmental conditions. Everyday scientific results shed new …
Managing phenolics in the vineyard
Phenolics within the grape play an important role in a wine’s sensorial properties, such as color, astringency, mouthfeel, and bitterness. For example, increasing the size …
Optimizing cluster microclimate through canopy manipulation
Temperature management has a direct impact on fruit quality. According to Bonada et al. (2015), high temperature may affect the degree to which water deficit …
Characterize microclimates in the vineyard
The Jan-Feb issue of Vineyard & Winery Management provided an interesting discussion of a familiar, yet hard-to-quantify concept in the wine industry: terroir. The article …