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Potato diseases
All coverage ↗Plant health, seed quality, field protection and storage risks.
United States: PAPAS Puts Soil-Sampling Decisions at the Start of Nematode Management
A PAPAS field video featuring nematologist Inga Zasada and Washington potato grower Brett Reynolds draws attention to an early management decision: how to collect soil samples that answer the right question. The update complements the project’s published…
Spain: None of 336 Potato Genotypes Fully Resisted Fusarium Dry Rot, and 57% Proved Highly Susceptible
A two-season NEIKER screening of 336 potato genotypes found no full resistance to Fusarium dry rot, with mean lesion depth ranging from about 3 mm to over 38 mm.
Kenya: AfricaBlight Network Launched to Tackle a Disease Costing Up to USD 7 Billion a Year
The AfricaBlight Network, launched on 27 October in Naivasha, will start in Kenya, Rwanda, Ethiopia and Eritrea with coordinators, forecasting and farmer training.
Potato nutrition
All coverage ↗Nutrient forms, soil conditions and the complete potato season.
Ammonium or nitrate: nitrogen forms in potato nutrition
The question “which nitrogen is better?” has no answer without soil conditions — and too much available N can delay tuber set and cut dry matter.
Phosphorus and potassium before planting: forms, balance and placement
Potato tubers remove about 5.8 kg K₂O per tonne, according to the PDA — but multiplying yield by that figure gives offtake, not a fertilizer rate.
Soil pH and potatoes: why the 5.0–6.0 range is not universal
Moderately acidic soil helps suppress common scab, but there is no single pH target for every farm — it is a trade-off between disease and nutrient availability.
URALCHEM
The project’s potato nutrition coverage and its published partner profile.
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Ammonium or nitrate: nitrogen forms in potato nutrition
The question “which nitrogen is better?” has no answer without soil conditions — and too much available N can delay tuber set and cut dry matter.
Read the material →Phosphorus and potassium before planting: forms, balance and placement
Potato tubers remove about 5.8 kg K₂O per tonne, according to the PDA — but multiplying yield by that figure gives offtake, not a fertilizer rate.
Read the material →Soil pH and potatoes: why the 5.0–6.0 range is not universal
Moderately acidic soil helps suppress common scab, but there is no single pH target for every farm — it is a trade-off between disease and nutrient availability.
Read the material →Potato Nutrition: The Complete Season Roadmap
Potato yields are decided long before harvest — they are built phase by phase, from the moment a sprout pushes through the soil to the last weeks of tuber bulking. A fertiliser programme that ignores the crop's…
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Across the value chain
All coverage ↗YUGAGRO 2026: Crop Nutrition and Post-Harvest Handling Make a Practical Potato Visit Route
YUGAGRO will run on 17–20 November 2026 at Expograd Yug in Krasnodar. For potato businesses preparing a focused visit, two supplier announcements point to complementary discussions: crop nutrition with Elite Agrosystems and post-harvest equipment with Agropak. The…
Peterfood’s Ready-Meals Forum Will Examine Supplier Access to Kitchens and Retail
Peterfood’s ready-meals forum is scheduled for 24–25 November 2026 at Expoforum in St Petersburg, within the wider exhibition running on 24–26 November. Its programme puts raw materials, semi-finished products and the choice between in-house kitchens and outside…
Saudi Arabia: Foodera Details Al-Jouf’s Move From a 5 to 7.5 t/h French-Fry Line
A customer case study from Foodera Technologies describes how Saudi Arabia’s Al-Jouf moved from opening a French-fry factory to committing to a larger line within a year. The account puts the expansion at 5 to 7.5 tonnes…
What the numbers tell us about Chile’s potato market
Source, unit and reference period stay beside the chart.
Read the analysis| Period | Wholesale price |
|---|---|
| 2023 annual average | 17,732 |
| November 2025 | 5,995 |
| July 2026 | 12,429 |
Published historical figures from the Potatoes.News report, citing ODEPA. Different periods are compared; this is not a continuous or live price index.
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Field reports, interviews, factory visits and conversations from Potatoes.News.
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