CONTEXT Research has demonstrated that relationships exist between berry compositional changes during ripening and seasonal vine water deficit variations (here). The purpose of this blog is …
Effect of Sap Flow Profile on Berry Sugar Accumulation

CONTEXT Research has demonstrated that relationships exist between berry compositional changes during ripening and seasonal vine water deficit variations (here). The purpose of this blog is …
CONTEXT During a dry winter, soil nitrogen mineralization rate can be reduced. As a consequence, once the season starts and even if soil moisture is …
CONTEXT Regardless of irrigation regime, canopy size can affect yield and berry quality attributes particularly under semiarid conditions. It may sound counterintuitive at first …
CONTEXT An australian researcher team led by Cooley have compared different levels of water deficit severity to analyze their effect on berry and wine composition …
The goal of the swiss study presented by Dr Zufferey was to investigate the impact of water stress on vine hydraulics, berry composition and wine …
In this blog we discuss why adapting harvest date to a warming environment is challenging …and why you may not have to trade off sugar concentration to …
What is sugar loading? The sugar loading of grape berries (evolution of the quantity of sugars per berry), widely described by Pr. Deloire during the …
Waves of heat = Waves of greater water needs As heat wave comes and goes, vine water use goes up and down as we discussed …
How much does vine transpiration increase during a heat wave? To address that question, a team of Australian researchers led by Edwards reported the following observations …
In our previous blogs we discussed how sap flow sensors can be used to characterize vine water needs under site- specific conditions. Various authors have …