Soil salinity is quietly reducing potato performance in irrigated and coastal production regions, often before obvious symptoms appear. New research suggests that zinc and phosphorus may help certain potato genotypes withstand salt stress, but it is not yet a field-ready prescription. The larger lesson is practical: test water and soil, understand where salts accumulate, protect drainage and match varieties and nutrients to the root-zone problem before yields begin to disappear.
Studies/Reports
Before Europe plants again: The changing shape of its seed-potato supply
Europe’s seed-potato multiplication area has fallen to 105,155 hectares across six leading regions, but the headline decline tells only part of the story. The sharper contraction in major French-fry varieties, combined with certification risk and concentrated production, could shape planting choices in 2027. This article examines what the figures mean, what they do not prove, and why Europe’s seed growers remain essential to potato supply chains far beyond the continent.
Less nitrogen, but the same crop?
A Prince Edward Island field study found that reducing potato nitrogen applications by 25% preserved marketable yield while some combinations of rotation and enhanced-efficiency fertiliser sharply lowered nitrous oxide emissions. The result is promising, but it is not a universal recommendation to cut rates. It demonstrates why nitrogen decisions should reflect soil supply, rotation history, weather, variety and requirements—and why measuring the crop matters more than following a habitual number.
‘Weed hunters reloaded’: Canadian scientists targeting troublesome weeds with grit and innovation
Dr. Andrew McKenzie-Gopsill’s research explores a novel weed control method for Canadian farmers using baking soda and corn cob grit. By employing abrasive techniques and bioherbicides, the approach effectively targets stubborn weeds, like lamb’s quarters and wild buckwheat, without harming potato crops or yields. While promising, challenges include sourcing materials and costs. This method particularly benefits high-value and organic crops, offering a sustainable alternative to traditional herbicides.
EU-4 potato production set to fall by almost a quarter
The EU-4 potato harvest is projected to decline significantly this season, with an estimated production of 20.8 million tonnes, about 25% lower than last year due to reduced acreage and yields influenced by adverse weather and market conditions. This reduction impacts the European processing industry, although many contracts were secured prior to harvest, stabilizing prices somewhat. The effects on growers are direct, while processing costs remain complex and variable.
What the canopy cannot tell us: Heat damage hidden inside the potato ridge
Recent potato losses in East Asia due to extreme heat highlight significant production risks. South Korean grower Lee Sang-hyuk discovered that potatoes, seemingly healthy above ground, were damaged beneath the surface during a heatwave. The temperatures disrupt tuber formation, impacting yield and quality. The findings emphasize that managing soil temperature and moisture is crucial, as traditional measurements may not reflect the conditions tubers experience, leading to hidden crop losses.
Holding the ground: Why soil retention is becoming a potato production priority
Potato production faces significant soil loss due to runoff, wind, and harvesting, which impacts fertility and future yields. A 2025 incident in Somerset highlighted this issue when a grower faced over £40,000 in costs due to soil erosion. Effective soil management strategies include understanding field conditions and using cover crops, but growers often underestimate these losses, which diminish soil quality and agricultural sustainability. Soil retention must be prioritized alongside crop production.
‘One drop at a time’, part 4: Why drip remains an outsider in North American potato country
Potato growers across North America face increasing pressure to optimize water usage, with alternatives like drip irrigation and centre pivots vying for efficacy. Drip irrigation is recognized for precision but competes with well-established centre pivots that suit large-scale operations. The suitability of each system varies regionally, influenced by factors like soil type and water availability. Factors such as operational efficiency, costs, and environmental impacts must be weighed to determine the best irrigation approach for specific situations.
‘One drop at a time’, part 3: When the irrigation system learns to listen
Potato growers are increasingly utilizing sensors, weather data, and automated controls to enhance drip irrigation efficiency. However, the synthesis of these technologies with sound agronomy is essential for optimal decision-making. Recent trials in the UK illustrate the importance of precise irrigation management tailored to soil conditions. While automation offers promise, human judgment remains crucial in managing water usage amid changing climates, ensuring sustainable practices.
‘One drop at a time’, part 2: Can drip irrigation work on a commercial potato farm?
Drip irrigation has shown potential to reduce water use and increase potato yield in Britain, but its successful implementation involves careful engineering and integration with existing farming practices. A trial indicated a 25% reduction in water use and an 18% yield increase, yet results may vary by context. Effective management, precise tape placement, and continuous monitoring are crucial for maximizing benefits while addressing the operational challenges faced by growers.
‘One drop at a time’, part 1: What drip irrigation can offer the potato crop
The article discusses the benefits and challenges of drip irrigation in potato production. While it allows precise water and nutrient delivery, effective use relies on proper management and design. Maintaining stable soil moisture is critical during tuber initiation and bulking, as both under and over-watering can negatively impact yields. Different soil types affect the wetting pattern, necessitating tailored approaches. Fertigation enhances nutrient management, but precision is vital to avoid errors.
Drought, deluge and disease: How El Niño is reshaping the global potato outlook
The 2026-27 El Niño is rapidly intensifying, posing diverse threats to global potato production. Regions like India and Peru face risks from drought and flooding, while Europe experiences severe crop damage from heat and dryness, with uncertain attribution to El Niño. Each region’s unique climatic conditions necessitate careful monitoring of weather patterns and risk management strategies to mitigate agricultural stress and potential market disruptions.
UK drought tightens its grip on potatoes, but scale of crop losses remains uncertain
England and Wales are facing an exceptional drought that significantly impacts potato growers, causing reduced tuber sizes, heightened irrigation costs, and challenging harvesting conditions. Despite these pressures, there is no definitive national crop-loss estimate, highlighting regional variations in drought severity. While diminished yields are expected, the potato market is not collapsing; instead, it is under pressure with potential upward price movements and concerns regarding quality and tuber sizes.
McCain’s inaugural global ‘Spud Report’ finds fries crossing cultures, generations and borders
A McCain Foods survey of over 12,000 adults from 11 countries revealed that French fries are the most favored potato dish globally. The Spud Report highlighted fries’ emotional significance as comfort food linked to happiness and social interactions. Findings showed cultural variations in consumption patterns, with fries seen as snacks in India and China, while other nations viewed them as meal accompaniments. McCain intends to implement regenerative agriculture practices by 2030, linking consumer preferences to farming practices.
Longer potato rotations linked to improved tuber quality and stronger short-term returns in US trials
New research indicates that extending potato crop rotations can enhance tuber quality and profitability, based on a four-year study across various U.S. locations. While longer rotations performed better economically, results for other practices like fumigation and biofumigation were inconsistent. The findings suggest that potato growers may improve soil and crop health without sacrificing quality, but economic outcomes may vary and need careful evaluation over multiple growing seasons.
From field checks to phone alerts: Gujarat woman potato farmer embraces digital decision-making
Priyankaben Chiragbhai Patel’s journey in northern Gujarat showcases the integration of digital tools in potato farming, emphasizing women’s evolving roles in agricultural management. With support from HyFarm, she utilizes mobile apps and sensors for irrigation and crop monitoring across her family’s 30-acre farm. Her experience illustrates the shift towards data-driven decisions, highlighting the importance of timely information while still valuing traditional farming practices.
The seed looked clean. The test said otherwise: Oregon study exposes a hidden potato disease pathway
A nine-year study from Oregon State University revealed that seed potatoes appearing healthy can carry hidden pathogens, including the powdery scab pathogen and potato mop-top virus, without showing visible symptoms. The study suggests visual inspections alone are inadequate for detecting these risks, advocating for targeted molecular testing to enhance seed certification and protect agricultural fields from hidden threats. Findings carry implications for the broader potato industry.
Why does potato breeding really take so long? The genetics behind a 15-year problem
The potato breeding process typically spans about 15 years due to various biological and operational bottlenecks. Factors such as the complex genetics of highly heterozygous potatoes, the vegetative multiplication of commercial varieties, and the intricacies of evaluating traits contribute to the timeline. Innovations like genotyping, diploid breeding, and fixation-restitution methods aim to streamline these processes, enhancing efficiency and potentially shortening the time taken to deliver new varieties to growers.
French potato production could fall 23% as drought and heat cut yields: Lowest yields in more than 30 years
French potato growers are facing the lowest average yield in over 30 years due to extreme weather conditions, with projections showing a 14% decrease in yield for 2026. Factors such as heatwaves, drought, and reduced planted area could result in a 23% decline in production. Concerns about contract fulfillment and a potential economic loss of €400 million have prompted calls for government assistance. The outcome remains uncertain as harvest results become clear.
‘The cost of being late’: Ecuador’s zebra chip warning to the global potato industry
What Ecuador’s experience with zebra chip can teach the global potato industry about preparedness, diagnosis and the human cost of being late. By Lukie Pieterse, Editor/Publisher of Potato News Today On 21 August, a European potato research project published an account from Ecuador that deserves attention well beyond Europe. It was not a story about a laboratory breakthrough or a[Read More…]
The potato paradox: Why ‘low sugar’ is not the same as ‘low GI’
Potatoes contain little simple sugar, but labeling them as “low sugar” can mislead consumers regarding their blood glucose impact. The primary carbohydrate in potatoes is starch, which can significantly raise blood glucose levels after digestion. Various factors like processing, cooking methods, and potato variety influence glycaemic response. Clear, precise labeling is essential in the potato industry to help consumers understand the nutritional implications and avoid misconceptions related to terms like “low sugar” or “low GI.”
The seed multiplication gap: Why better potato genetics still struggle to reach the grower
Potato breeding has advanced significantly with improved varieties offering disease resistance and climate resilience. However, the real challenge lies in successfully multiplying these varieties into sufficient healthy planting materials at affordable prices for growers. A lack of effective seed systems leads to disparities in yield globally. This bottleneck highlights the need for investment in systems that connect breeding advances with practical seed availability for farmers, ensuring commercial success and food security.
North America’s potato industry in 2026: Smaller acreage, strong processing demand and a market still searching for balance
In 2026, North American potato growers are navigating reduced acreage and strong but uneven demand, particularly in the US where plantings fell by over 3%. While Canadian acreage remains stable, the industry faces challenges like production costs, climate variability, and trade uncertainty. Enhanced processing capacity shapes market dynamics, yet profitability relies on balanced supply and demand. The key is aligning production adequately to sustain the industry’s viability amid evolving consumer preferences and market conditions.
Global potato outlook: Second half of 2026 likely to test supply discipline, climate resilience, and processing demand
At mid-year, the global potato industry faces a cautious second-half outlook. Europe is trying to reset after oversupply, North America is watching processor demand and new-crop signals, and emerging frozen fry exporters such as China, India, and Egypt are changing trade dynamics. Weather stress, fertilizer costs, storage risk, and quality will likely determine whether 2026 ends in better balance or renewed pressure.
European potato markets shift; Ireland’s Queens enter strong-demand market
The prolonged spell of warm weather in Ireland this week has dampened home consumption of potatoes, according to the Irish Farmers Association’s latest Potato Market Report, issued on June 24. However, IFA noted that the food service sector should see a welcome boost as school holidays get underway next week. Queens are slowly coming onto the market, with demand reported[Read More…]

























