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Tag: grapes canopy management

Posted on June 20, 2019June 20, 2019

Canopy Management for Hybrids: Hudson River Umbrella & Umbrella Kniffen

Introduction       Why manage canopies?       Targets       Managing canopies in hybrids       Shoot thinning       Basal leaf removal       Shoot positioning       Hedging       Cluster thinning       Summary       More info

Tim Martinson and Justine Vanden Heuvel, Cornell University

Introduction

 

Figure 1. Figure 1. Excess vigor in this Traminette
…
Posted on June 20, 2019June 20, 2019

Leaf Removal on Grapevines

More Information

Keith Striegler and Tammy Jones, University of Missouri

 

VSP with leaf removal. Leaf removal on Chambourcin grapes.

Leaf removal in vertical shoot positioning (VSP) system (L) and in Chambourcin grapes. Photos by Andy Allen, University of Missouri.

Leaf removal is the process of removing leaves from the …

Posted on June 20, 2019June 20, 2019

Basic Concept of Vine Balance

The Basics       Vine-Dictated Balance       Viticulturist-Dictated Balance       Unbalanced Vines       How to Measure Vine Balance       More information

Patty Skinkis, Oregon State University

The Basics

Vine balance is the central concept in the study of viticulture where vine physiology and vineyard production merge. …

Posted on June 20, 2019June 20, 2019

Mature Vine Training

Training Goals       Practices       For more information

William Nail, The Connecticut Agricultural Experiment Station

Goals of Mature Vine Training

The goals of training mature vines are to complement the pruning strategies employed. The principal goal is to expose as much leaf…

Posted on June 20, 2019June 20, 2019

Canopy Management: Shoot Positioning

More Information
 
 
Keith Striegler and Tammy Jones, University of Missouri

Geneva Double Curtain on Concords. Vertical Shoot Positioning. Scott Henry training system. Scott Henry training system (mid-season).

Examples of shoot positioning. Clockwise from top left: Geneva Double Curtain, Vertical Shoot Positioning, and Scott Henry (bottom photos). Photos by Mercy Olmstead, University of Florida.

Shoot positioning is an …

Posted on June 20, 2019June 20, 2019

Fundamentals of Fruit Zone Management

Practices       Other Considerations       More information

Mark Chien, Pennsylvania State University and Patty Skinkis, Oregon State University

In any given growing season, there are no two management techniques that can affect the outcome of grape quality more than proper canopy and …

Posted on June 20, 2019June 20, 2019

Fundamentals of Canopy Management

What is canopy management?       Pruning       Shoot thinning       Shoot positioning       Leaf & lateral removal       Other considerations       More information

Mark Chien, Pennsylvania State University

The two management areas that can most affect the outcome of grape quality in a growing season are …

Posted on June 20, 2019June 20, 2019

Vine Balance and the Role of Vineyard Design

Shoot Density       In-Row & Between-Row Spacing       For more information       

Jim Wolpert, University of California, Davis

Vine balance can be defined as the condition in which:

1) vine shoot growth provides enough leaf area to ripen the crop properly, and
2) …

Posted on June 20, 2019June 20, 2019

Grapevine Sources and Sinks: Allocation of Photosynthate over the Growing Season

Dormant to bloom       Bloom to fruit set       Early fruit development       Lag phase       Veraison and after       Periderm formation & dormancy       Harvest       Consequences for Management       More information

Tim Martinson, Cornell University

Carbon and sugars produced through photosynthesis, along with minerals from the …

Posted on June 20, 2019June 20, 2019

Crop Thinning: Cluster Thinning or Cluster Removal

Image:Feature-Crimson clover cover crop small.jpgCrop thinning, or the removal of flower and grape clusters, is used to achieve yield and quality goals.

Overview       Timing       Amount       More information

Patty Skinkis, Oregon State University

Crop thinning is used to achieve yield and quality goals. Crop thinning …

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This is a national Cooperative Extension resource

This work is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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