News on Potato Defects and Diseases from Northern America

Bags of Prince Edward Island potatoes are unloaded from a transport truck on Dec. 8, 2021, in Ottawa as the potato industry lobbied the federal government to overturn the export ban. Courtesy: Adrian Wyld/The Canadian Press
February 13, 2022
Prince Edward Island resumes export of potatoes to Puerto Rico
The United States has agreed to let imports of Prince Edward Island table stock potatoes to Puerto Rico resume. United States Secretary of Agriculture Tom Vilsack made the announcement in a news release last week.
New Federal Ministerial Coordinating Committee on PEI Potatoes brings whole-of-government approach to help farmers affected by U.S. trade disruption
January 11, 2022
Government Canada establishes committee to restore market access for PEI fresh potatoes to the United States
The Government of Canada is committed to restoring market access for PEI fresh potatoes to the United States and supporting PEI farmers impacted by trade disruptions.
Agriculture Minister Bloyce Thompson and Economic Development Minister Matthew MacKay announce funding support for the P.E.I. potato industry during a news conference Friday. (Courtesy: CBC)
December 18, 2021
Prince Edward Island potato ban to United States expected to last into new year
P.E.I.'s agriculture minister says he is still hopeful potatoes in limbo won't have to be destroyed, but indications suggest restrictions on Island spuds will last into the new year.
Renaissance BioScience Corp. receives additional R and D funding for its yeast-based RNA technology.
December 03, 2021
Additional funding for Renaissance BioScience Corp's yeast-based RNA technology
Renaissance BioScience Corp., a leading global bioengineering company, announced today that it is receiving advisory services and additional funding of up to CAD 200,000 from the National Research Council of Canada Industrial Research Assistance Program (NRC IRAP).
For Keisha Rose Topic, pictured here in one of her potato fields with her father, Boyd, and daughter, Mae, farming is a family business. (Courtesy: Keisha Rose Topic)
December 03, 2021
P.E.I. farmers losing money day by day in potato export crisis
After 20 years of successful management, potato wart has closed the U.S. border again. P.E.I. farmers are five days into a suspension of trade for their potatoes into the U.S. market.
PEI based Salad Company, Johnston’s Encourages Canadians to Support Local PEI Potato Farmers in Response to Recent Export Ban
December 01, 2021
PEI based Salad Company Encourages Canadians to Support PEI Potato Farmers in Response to US Export Ban
With its roots firmly planted on PEI soil for over 74 years, Johnston’s Homestyle proudly supports local farmers while they face challenges during supply chain restrictions.
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Marie-Claude Bibeau, Minister of Agriculture and Agri-Food for Canada
November 27, 2021
Government-Industry potato working group assembles to help affected farmers in Prince Edward Island
The Government of Canada is working with the Province of Prince Edward Island (PEI) and industry to support PEI farmers following the recent suspension of certification of fresh potatoes from PEI to the United States.
Prince Edward Island Potato Board Response to Suspension of Exports to the USA
November 23, 2021
Prince Edward Island Potato Board 'shocked' by CFIA decision to suspend its Potato Exports to the US
The Prince Edward Island Potato Board is shocked by the decision by the Canadian Food Inspection Agency (CFIA) to suspend the certification of exports of all potatoes from Prince Edward Island to the United States of America.
Tubers affected by potato wart (Synchytrium endobioticum) (Courtesy: USDA-APHIS-PPQ / CFIA)
November 22, 2021
CFIA announces measures to prevent spread of potato wart from PEI
Today, the Canadian Food Inspection Agency (CFIA) announced measures to prevent the spread of potato wart from Prince Edward Island (PEI). Potato wart is a plant disease that poses no threat to human health or food safety, but is known to decrease potato yield.
The University of Idaho’s new Seed Potato Germplasm Laboratory in Moscow, shown here Oct. 22, will go operational before the end of 2021.
November 16, 2021
University of Idaho new seed potato lab to open this year.
The University of Idaho is close to opening a new Seed Potato Germplasm Laboratory, which is the place where most Idaho potatoes are 'born'.
Potato wart poses no risk to humans or food safety, but it can be a serious disease for the infected potatoes, which become disfigured and unmarketable. (CFIA )
November 07, 2021
Prince Edward Island Seed Potato Export to the United States halted - again - due to Potato Wart
CBC reports that the US border has again closed to Prince Edward Island seed potatoes after potato wart was found in two P.E.I. fields.
Study author Natalie Kaiser crossbreeding potatoes that have strong Colorado potato beetle resistance to potatoes with good tuber production in the greenhouse. She is using small forceps to select the male part of the flower, the anthers. Credit: Natalie
September 30, 2021
Breeding beetle-resistant potatoes
In a new study, published in Crop Science, researchers describe genetic tools to develop potato varieties with improved natural resistance to the Colorado potato beetle
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Aroostook County potato experts expect high quality crop in 2021
September 14, 2021
Aroostook County potato experts expect high quality crop in 2021
Aroostook County agricultural growers are predicting a higher quantity and quality of potato crop than was produced in 2020, due to the less severe weather this summer.
University of Minnesota potato researcher Laura Shannon addresses potato farmers at the Northern Plains Potato Growers Association's Thursday, Aug. 26, field day at Hoverson Farms near Larimore, North Dakota.
(Ann Bailey/Grand Forks Herald)
August 29, 2021
Heat, drought stress Red River Valley potato crop, resulting in quality, yield reduction of table stock
The toll that hot dry weather took on the Red River Valley 2021 potato crop won’t be visible until harvest begins in a few weeks, but it’s already clear it has affected yields and quality.
New University of Maine research hub to focus on Potato Virus Y
August 22, 2021
New University of Maine research hub to focus on Potato Virus Y
Greater understanding of the biology of one of the most destructive plant viruses to potato crops will be the focus of a research hub at the University of Maine.
Prince Edward Island Potato Board Launches Podcast: Spudchat
April 27, 2021
Prince Edward Island Potato Board Launches Podcast: Spudchat
The Prince Edward Island Potato Board is excited to share with potato farmers and industry partners the launch of a new podcast, Spudchat.
Alberta is officially Potato Cyst Nematode-free.
April 12, 2021
Big win for Alberta potato growers
A team effort led to Alberta being declared Potato Cyst Nematode (PCN) free – improving trade prospects for producers.

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