News on Potato Defects and Diseases from Canada

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Farmers harvest potatoes in India, highlighting the importance of quality seed, scientific multiplication and organized seed systems in improving productivity and building a more efficient potato value chain.
August 13, 2026
India’s Potato Future Starts With Better Seed: Building a Stronger Seed Ecosystem for Farmers
India’s potato industry needs a stronger seed ecosystem to close its productivity gap. Scientific seed multiplication, digital agronomy and market-aligned varieties can improve yields, reduce risks and build a profitable supply chain.
A warming climate is placing potato production under increasing pressure, with rising temperatures, drought, and extreme weather threatening yields, quality, and global food security.
August 05, 2026
Accelerating Global Warming Could Reshape the Future of Global Potato Production
Global warming is accelerating, threatening potato production through heat, drought, pests, and storage challenges. Climate-smart farming, resilient varieties, and improved irrigation are essential to protect future yields and quality.
Wireworms are major soil-dwelling pests of potatoes, and the focus of Renaissance BioScience's Genome BC-funded RNAi biopesticide development programme
July 30, 2026
Renaissance BioScience expands RNAi biopesticide platform to target wireworms
Renaissance BioScience has secured Genome BC funding to develop a yeast-based RNAi biopesticide targeting wireworms. The project aims to extend the company's RNAi platform to soil-dwelling pests, offering a potential new tool for potato growers.
Potatoes are loaded into long-term storage as Cellar Insights launches the Rotten Potato Data Project, inviting growers to share historical spoilage data to help develop AI-powered early warning systems that detect storage risks before losses occur.
July 27, 2026
Cellar Insights Launches Rotten Potato Data Project to Strengthen Early Warning for Potato Storage Spoilage
Cellar Insights launched the Rotten Potato Data Project, inviting Canadian growers to share historical potato storage spoilage data. The project uses machine learning to improve early warning for rot and storage losses while paying participants.
Global seed potato trade moves toward stronger biosecurity as certification, advanced diagnostics, and phytosanitary controls protect international supply chains.
July 21, 2026
Global Seed Potato Trade Enters a New Biosecurity Era as Countries Strengthen Phytosanitary Controls
Global seed potato trade is entering a new biosecurity era as countries tighten phytosanitary rules, expand digital ePhyto certification, and strengthen disease testing, making certified, traceable seed essential for global market access.
May 19, 2026
United States potato industry urges USDA to reinstate PEI potato import ban over Potato Wart concerns
The National Potato Council and 13 state potato organizations in the United States have urged the USDA to reinstate a ban on fresh potato imports from Prince Edward Island following a new Potato Wart detection.
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Royal HZPC Group expects lower revenue and EBITDA for 2025/2026 as global potato markets face oversupply, price pressure and weaker demand despite continued growth in seed potato volumes.
May 18, 2026
Royal HZPC Group sells more potatoes, but revenue and margins drop amid global potato market pressure
Royal HZPC Group continues growing its global seed potato volume above 1.1 million tonnes during the 2025/2026 financial year, despite global potato market pressure, lower prices, weaker demand and declining margins.
Blackberry potato
May 04, 2026
Michigan State University develops five new potato varieties for United States chip industry
Researchers at Michigan State University have developed five new potato varieties designed to strengthen the United States potato chip supply through improved disease resistance, storage performance and processing reliability.
Ashley Wagenaar, ag relations director, PGA, stands with Dr. Diksha Singla, post-doctoral fellow, APHTC
March 05, 2026
Canadian Researchers Use Infrared Imaging to Detect Glycoalkaloids in Potatoes Without Damage
Researchers at Lethbridge Polytechnic, Alberta, Canada, potatoes are testing if short-wave infrared hyperspectral imaging can be used to assess Total GlycoAlkaloid (TGA) levels in potatoes.
Dr. Christine Noronha, Entomology IPM Research Scientist at Agriculture and Agri-Food Canada, will present her research on crop rotation strategies for effective wireworm control in the upcoming WPC Inc. webinar.
December 05, 2025
World Potato Congress Inc. Announces Webinar on Crop Rotation Strategies for Wireworm Control
The World Potato Congress will host a webinar on Dec 10, 2025, where Dr. Christine Noronha shares research showing how crop rotation reduces wireworm damage in potatoes, highlighting her innovative pest management advances and key field results.
World Potato Congress
October 13, 2025
World Potato Congress Webinar - Biology and Integrated Management of Potato Common Scab - Oct 20, 2025
World Potato Congress Inc. (WPC) will host a webinar, 'Biology and Integrated Management of Potato Common Scab,' October 20, 2025. The speaker is Amanda Gevens, PhD, Professor and Extension Plant Pathologist, University of Wisconsin–Madison.
Potato Late blight
September 10, 2025
Michigan Potato Industry Commission Launches Late Blight Resource Webpage
A new webpage by the Michigan Potato Industry Commission offers growers tools to identify and manage late blight, featuring pathogen details, outbreak protocols, fungicide advice and links to monitoring organizations.
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September 07, 2025
Renaissance BioScience Secures Australian Patent for Innovative RNA Biopesticide Technology
Renaissance BioScience Corp. secured an Australian patent on Sept 4, 2025, for its yeast-based RNA platform, targeting the Colorado Potato Beetle with eco-friendly biopesticides. It also eyes animal and human health markets.
P.E.I. launches buy-back program for potato wart fields
June 12, 2025
Prince Edward Island govt Launches Potato Field Buy-Back Program to Combat Potato Wart Disease
P.E.I. launches a buy-back program for potato wart index fields to combat the fungal disease. It aids farmers, protects land, and boosts trade, with over USD 40M spent since 2021 on wart control efforts.
Dr. Julia Wheeler (right) and Dena Wiseman (left) worked with other researchers and farmers to find season extension technologies
March 15, 2025
Transforming Northern Agriculture: New Technologies, Collaborative Efforts, and Promising Potato Varieties
Agriculture is growing in Canada’s North with new collaborations and technologies. AAFC scientist Dr. Julia Wheeler led research on season extension for potatoes and green beans in northern communities. The study focused on soil health, pest management, and improving food security.
Ivette Acuña B. Agr. Eng. Ph.D.Phytopathologist, Agricultural Research Institute, INIA Chile
January 05, 2025
Early Warning Systems for Sustainable Potato Late Blight Management: a World Potato Congress Webinar by Ivette Acuña
The World Potato Congress has presented the upcoming webinar: Implementation of an Early Warning System for Sustainable Preventative Management of Potato Late Blight.
Potato LEAF Awards 2024-25 Scholarship to Xiuyan Zhang
September 01, 2024
Potato LEAF Awards 2024-25 Scholarship to Xiuyan Zhang for her potato disease research
The Potato Leadership, Education, and Advancement Foundation (Potato LEAF) has announced Xiuyan Zhang, a Ph.D. student at the University of Maine, as the recipient of the organization’s 2024-25 Academic Scholarship. 
A ban on exports of P.E.I. potatoes to the U.S. last fall led to the destruction of hundreds of millions of pounds of potatoes. (Courtesy: Mary Kay Sonier/PEI Potato Board)
February 07, 2024
La Isla Principe Eduardo vuelve al mercado mundial
Después de años fuera de la escena mundial tras la detección de la sarna verrugosa en sus campos, la Isla Principe Eduardo se dispone a reclamar el podio como productora de elite.

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