The purpose of this study was to evaluate the level of water application which optimizes phenolic composition. It was carried out in Friuli, Italy, in 1999, on a 6-yr old Merlot/SO4, cordon-trained, and planted on a gravelly loam. Two different water levels were compared: 1) control (C), kept at 80% of soil available water, and 2) stress (S), kept at 20% of soil available water. The amount of water applied was calculated based on the total humidity of the soil -this is the same as the total waterholding capacity. Irrigation was then applied every 15 days to meet the 80% and 20% humidity targets.
Water stress induces changes in polyphenol concentration in Merlot grapes and wines
PETERLUNGER, Enrico;SIVILOTTI, Paolo;
2002-01-01
Abstract
The purpose of this study was to evaluate the level of water application which optimizes phenolic composition. It was carried out in Friuli, Italy, in 1999, on a 6-yr old Merlot/SO4, cordon-trained, and planted on a gravelly loam. Two different water levels were compared: 1) control (C), kept at 80% of soil available water, and 2) stress (S), kept at 20% of soil available water. The amount of water applied was calculated based on the total humidity of the soil -this is the same as the total waterholding capacity. Irrigation was then applied every 15 days to meet the 80% and 20% humidity targets.File in questo prodotto:
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