NCPN Newsletters
Latest Newsletter
In this issue, we provide an update on some of the Special Initiatives in the Network! Learn more about Economics, Quality Management, and Education, Outreach & Communications.
Past Newsletters (pdf)
Current Stories from Around the Network
NCPN Grape News
Grapevine 'Variety Focus' Lectures Available for Viewing
Grapevine ‘Variety Focus' lectures are now available on Foundation Plant Service's website at http://fps.ucdavis.edu/VarietyFocus.cfm. These lectures, from 2005-2011, were given by a...
Five Facts About Grape Viruses and NCPN-Grapes
Wine quality is affected by a very common disease, leafroll disease, which reduces sugar content and color of grapes and increases acidity. Leafroll disease is caused by one or more viruses in the...
NCPN Hops News
Field Guide Integrated Pest Management in Hops
Start clean by purchasing virus tested hops for your yard and stay clean by following best management practices outlined in the link below. https://www.usahops.org/cabinet/data/Field-Guide.pdf
Tips for Managing Hop Viruses in the Field
Plant with propagation material that is virus indexed. Destroy and replace diseased plants with virus-indexed plants as soon as possible to limit spread. Start work in virus-indexed yards before...
NCPN Berries News
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Five Tips for Safeguarding Berry Farms from Virus Disease
Plant resistant varieties where available. Never propagate from material that has not been virus-tested. Know the viruses that circulate in your area and their vectors. Never plant in fields...
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Berries, NCPN Network News, Spring 2017
John R Clark, Distinguished Professor, University of Arkansas “Back in the early to mid-2000s, two major developments occurred that impacted blackberry production, particularly in the South...
NCPN Roses News
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Article available: What is Rose Rosette Disease?
New open access article on RRD published by HortScience: What is Rose Rosette Disease? http://hortsci.ashspublications.org/content/53/5.toc
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Rose Rosette Disease Video Available
View the 'What Wednesday' video clip on Rose Rosette disease: https://www.facebook.com/ TXPlantClinic/videos/ 10154736863317558/ Are you aware there is a website dedicated to Rose Rosette...
NCPN Citrus News
Joint Conference of the International Organization of Citrus Virologists XXI and the International Research Conference on Huanglongbing
Joint Conference of the International Organization of Citrus Virologists XXI and the International Research Conference on Huanglongbing March 10-15, 2019 Riverside...
Dr. Georgios Vidalakis Awarded APS Excellence in Regulatory Affairs and Crop Security
Georgios Vidalakis, chair of NCPN-Citrus, has been recognized by the American Phytopathological Society for his outstanding contributions to regulatory plant pathology and crop security....
NCPN Sweet Potato News
Video on Virus Elimination Therapy
"Excising sweetpotato microshoot tips for virus elimination therapy” is now available on YouTube. https://www.youtube.com/watch?v=ShvNqgbPSiE
Five Terms Defined for Sweetpotato Clean Plant Programs
Virus indexing is a method used to determine the presence and identity of sweetpotato viruses. The Brazilian morning glory (Ipomoea setosa), a close relative to sweetpotato, is sensitive to...
NCPN Fruit Tree News
Breeding for Disease Resistance
RosBREED is a national research and extension team focused on targeting breeding approaches in Rosaceae crops for disease resistance, horticultural quality and increased consumer satisfaction. Learn...
Five Tips for Preparing Fruit Tree Samples for Lab Virus Testing
Virus distribution changes with the seasons. In the winter, collect 8-10 inch one-year-old dormant bud sticks. In the summer collect flowers and leaf bud sticks from all major scaffolds and limbs....