Content tagged "grapes disease management"

Phymatotrichum Root Rot, Cotton Root Rot, Texas Root Rot

Grapes Updated: December 03, 2015

Symptoms       Management      Causes       More InfoDamon Smith, Oklahoma State UniversityPhymatotrichum root rot. Photos by Fritz Westover, Texas AgriLife...

Downy Mildew of Grapes

Grapes Updated: November 13, 2015

Symptoms       Management       Causes       More InfoDamon Smith, Oklahoma State UniversitySymptoms will vary depending on the age of leaf tissue. New...

Powdery Mildew of Grapes

Grapes Updated: November 13, 2015

Symptoms       Management Options       Causes       More infoLorraine Berkett & Morgan Cromwell, University of VermontAll green tissues of the grapevine are...

Crown Gall of Grapes

Grapes Updated: November 13, 2015

Symptoms       Causes       Management Options       More InfoDamon Smith, Oklahoma State UniversityFigures 1 and 2. Crown gall symptoms on a one-year-old...

Powdery mildew: How important is overwintering inoculum?

Grapes Updated: October 20, 2015

Tim Martinson and Wayne Wilcox, Department of Horticulture and Department of Plant Pathology and Plant Microbe Biology, Cornell UniversityExperienced grape...

Black Rot of Grapes

Grapes Updated: October 15, 2015

Symptoms       Management       Causes       More InfoDamon Smith, Oklahoma State UniversityAll new growth is susceptible to black rot. Leaves, shoots,...

Rugose Wood Complex of Grapevines

Grapes Updated: February 18, 2014

Causes       Symptoms       Management Options       More InfoStephen Jordan, University of Wisconsin-MadisonRugose wood is a complex disease characterized...

Sour Rot of Grapes

Grapes Updated: February 18, 2014

Symptoms       Management Options       Causes       More InfoDamon Smith, Oklahoma State UniversityRipe fruit with sour rot will become soft and watery....

Armillaria Root Rot in Grapes

Grapes Updated: February 08, 2014

Symptoms       Cause       Management       More InfoJay W. Pscheidt, Oregon State UniversityMildly symptomatic grapevines have shorter canes than healthy...

Grape Leafroll Disease

Grapes Updated: November 08, 2013

Symptoms       Management Options       Causes       More infoStephen Jordan, University of Wisconsin-MadisonSymptoms differ depending on the variety of...

Ripe Rot of Grapes

Grapes Updated: October 03, 2013

Symptoms       Management       Causes       More InfoDamon Smith, Oklahoma State UniversitySymptoms manifest first as circular spots of decay on individual...

Phomopsis Cane and Leaf Spot and Fruit Rot of Grapes

Grapes Updated: October 03, 2013

Symptoms       Management       Causes       More InfoDamon Smith, Oklahoma State UniversitySymptoms of Phomopsis on canes and fruits. Photos by Turner...

Macrophoma Rot of Grapes

Grapes Updated: October 03, 2013

Symptoms       Management       Causes       More infoDamon Smith, Oklahoma State UniversityAs grapes mature, lesions develop that are dark and can be...

Botrytis Bunch Rot (Gray Mold) of Grapes

Grapes Updated: October 03, 2013

Symptoms       Management       Causes       More InfoDamon Smith, Oklahoma State UniversityThe most striking sign of Botrytis bunch rot is the gray-brown...

Bitter Rot of Grapes

Grapes Updated: October 03, 2013

Symptoms       Management       Causes       More infoDamon Smith, Oklahoma State UniversitySymptoms on infected leaves appear as tiny, sunken, reddish-brown...

Anthracnose on Grapes

Grapes Updated: October 03, 2013

Symptoms       Management Options       Causes       More informationDamon Smith, Oklahoma State UniversityAnthracnose is most common on young shoots and...

Grape Disease Management Overview

Grapes Updated: October 03, 2013

Fungi       Bacteria       Viruses       Nematodes       More infoDamon Smith, Oklahoma State UniversityDiseases are a limiting factor in the production of...

Ringspot Virus Decline

Grapes Updated: September 20, 2013

Symptoms       Management Options       Causes       More informationStephen Jordan, University of Wisconsin-MadisonEffects of ringspot virus. From L to R,...

Pierce's Disease

Grapes Updated: February 28, 2013

Symptoms       Causes       Management Options       More infoDamon Smith, Oklahoma State UniversityPierce’s disease was first described in California in...

Grapevine Fanleaf Degeneration Disease

Grapes Updated: February 22, 2013

Symptoms       Management Options       Causes       More infoStephen Jordan, University of Wisconsin-MadisonGrapevine fanleaf degeneration disease has two...

Eutypa Dieback, or Dead Arm, of Grapes

Grapes Updated: January 22, 2013

Symptoms       Management Options       Causes       More informationDamon Smith, Oklahoma State UniversityEutypa dieback. Photos by Andy Allen, University...

Grapevine Measles

Grapes Updated: September 06, 2012

Symptoms       Causal Organisms       Management       More InformationStephen Vasquez, University of California, and Matthew Fidelibus, University of...

Peach Rosette Mosaic Virus

Grapes Updated: May 14, 2012

Symptoms       Management Options       Causes       More informationStephen Jordan, University of Wisconsin-MadisonSymptoms of peach rosette mosaic virus...

Septoria Leaf Spot of Blueberry and Grape

Grapes Blueberries Updated: November 17, 2011

  Symptoms:Disease cycle:Disease management:References:

Connect with us

  • Twitter
  • Facebook
  • YouTube
  • Pinterest
  • Google+

Welcome

This is where you can find research-based information from America's land-grant universities enabled by eXtension.org

LOCATE

Latest Tweets

USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.