NCPN Newsletters

Fiscal Year 2021 Open Period

NCPN provides high quality asexually propagated plant material tested for targeted plant pathogens and pests to protect the environment and ensure the global competitiveness of specialty crop...

International Year of Plant Health

The United Nations declared 2020 as the International Year of Plant Health (IYPH). Please join us in this once-in-a-lifetime opportunity and help protect the world's crops, forests, gardens, and...

• Rhonda Smith "Heroine of the Vineyards" Wraps up Career - American Vineyard Magazine

  

  Congratulations to Rhonda Smith on her retirement! The “Heroine of the Vineyards” emerged as Sonoma County's resident expert on all things wine grape during her nearly 34 years as the...

• 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...

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...

• 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...

• 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...