Wine Grape Growing

Glossary

W

WATER BERRY. A disorder of ripening grapes in which sugar accumulation stops and grapes become soft and watery.

WATER HARDNESS. This refers to the level of calcium and/or magnesium in water. Water with high levels of calcium and/or magnesium can cause scaling in micro-irrigation systems.

WATERSHED. The area of land that contributes to surface runoff to a given point in a drainage system.

WATER SHOOT. Water shoots arise out of old buds left on the permanent wood of the vine (trunk or cordons).

WETTER (or surfactant). An adjuvant that improves the wetting and coverage of a chemical on the target surface.