Keith Striegler and Tammy Jones, University of Missouri
An excellent system for large sized vines, the Geneva Double Curtain or GDC trellis design consists of a horizontally …
Keith Striegler and Tammy Jones, University of Missouri
Vertical Shoot Position, or VSP, is a common and widely used trellis system. In the VSP …
Why use rootstocks? What roots do For more information
Ed Hellman, Texas AgriLife Extension
Grapevines can be grown on their own root systems (own-rooted …
Trunk Shoots Tendrils & Buds Suckers & Watersprouts Canes More Info
Ed Hellman, Texas AgriLife Extension
The trunk, …
Buds Flowers & Fruit Stages of Bloom For More Information
Ed Hellman, Texas AgriLife Extension
A bud contains growing points that develop in the leaf axil, the area just above the point of connection between the petiole and …
Stages of Development Stage I: Formation to Lag Stage II: Lag to Veraison Stage III: Post-Veraison Summary For More Information
Eric Stafne, Mississippi State University and Tim Martinson, Cornell University
A grape cluster is a complex flower, or inflorescence, …
Mark Chien, Penn State University
For many years, soil chemistry was considered the most important part of …
Mark Chien, Penn State University
The physical properties of vineyard soils are critically important to wine quality, …
Mark Chien, Penn State University
The soil food web is relatively new to the viticulture lexicon. It refers to the great diversity of biological life that exists in the soil medium. This myriad of organisms is often present …
Mark Chien, Penn State University
Terroir is a French word that, despite its lack of a clear definition, finds itself at the center of any effort to define wine quality. As defined by French geologist Yves Herody, …
