Knowing when to harvest is a key step in the making of a good wine. Why is the timing of harvest so critical? How can …
Linking wine sensory properties with harvest date (part 1)

Knowing when to harvest is a key step in the making of a good wine. Why is the timing of harvest so critical? How can …
Nitrogen absorption is one of the key contributors to vine vigor and fruit quality. While nitrogen deficiency can limit vine growth, excessive nitrogen could lead …
How can we combine leaf removal and irrigation techniques to optimize flavonoid concentration in grape berries? Focusing on the hot, arid winegrowing region of San …
If you’re a frequent reader of this blog, you are probably familiar with the idea of applying water deficit to vines. Sap Flow, our longest …
Tannin is a key determinant of astringency in wines. Dr. Kennedy’s talk at our 2015 Vintage Report conference in Napa explores how tannin structure interacts …
In the previous blog entry, we discussed how different winemaking techniques impact wine sensory properties and phenolic contents. It’s interesting to see how variations in …
In most winegrowing countries, organic viticulture is gaining more and more importance. However, in most non-European countries organic viticulture is still in the initial stages. …
Carbohydrate reserves play a critical role in the grapevine growth cycle by providing a carbon source to support root and shoot growth after bud break. …
Rotundone is a fruit compound responsible for the peppery aroma in wines. Because of its low sensory detection threshold (16 ng/L in red wine and …
Historical context Why measuring sap flow leads to understanding nutrient uptake? All vine organs are connected via the sap. Thanks to the flow of sap, …