Europe
Netherlands: Over 28% of Tested Seed Potato Lots Downgraded After Virus Checks
Early post-harvest virus tests by the Dutch inspection service NAK show downgrading in just over 28% of cases, with only about 15% of samples analysed so far.
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国际版
Сrop protection
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Сrop protection
Japan: Farmers Rally Against Opening Market to US Fresh Potatoes as Talks Reach Final Stage
About 120 farmers and supporters protested at the Prime Minister's Office on 24 September against lifting limits on US fresh potatoes. They cite pest risks and crop rotation in Hokkaido.
America
US: Late Blight Keeps Spreading in the Northeast as Wisconsin Disease-Risk Values Stay Above the Action Threshold
New late blight detections were confirmed on tomato in New York and Vermont this month, and potato cases were reported earlier in Michigan and Quebec. In Wisconsin, disease-risk values remain above the threshold as potato harvest continues.
Asia
India: Punjab Sets Firm Planting and Haulm-Cutting Deadlines for Seed Potatoes to Keep Aphid-Borne Viruses Out
Seed potato crops in Punjab must be planted by 15 October and have their haulms cut by 31 December, under a new standard procedure. The aim is to protect seed tubers from viruses carried by aphids.
Сrop protection
Peru: Late Blight, Not Smaller Plantings, Is Driving Potato Prices, Says Farm Federation Conveagro
Peru's farm federation Conveagro blames the spread of late blight for rising potato prices. It warns that drought could cut up to 1.7 million tonnes from a crop that usually reaches 3.7 million tonnes.
Сrop protection
Poland Opens PLN 4 Million Tender to Train Farmers Against Potato Ring Rot and Brown Rot
Poland's farm payments agency ARiMR is accepting bids from 22 September to 23 October 2026 for a PLN 4 million programme of free biosecurity training aimed at two quarantine bacteria of potato.
News
Ethylene Over Chemistry: How the Global Potato Industry Is Tackling Storage After the CIPC Ban
Harvest season is when growers decide not just how much they've brought in, but how to keep it. And the world's toolkit for that keeps shrinking: chlorpropham (CIPC), the sprout suppressant that dominated storage rooms for decades,…
News
Potato Farming Returns to Central Saanich After 40-Year Ban Lifted
One of the most notable developments in the potato sector is the lifting of a ban on potato cultivation in the Central Saanich community of British Columbia, in place since 1982 due to the golden nematode. The…
News
2026 Protection Strategy: Priluki Institute Tackles Aggressive Phytophthora Race with Advanced Fungicide Blends
The Republican Unitary Enterprise "Institute of Plant Protection" (Priluki) has issued a critical alert for the 2026 growing season following the detection of an aggressive A2 mating type of Phytophthora infestans that exhibits clear resistance to metalaxyl and…
Potato diseases
Brown target-like spots on the leaves: Alternaria is moving up the lower canopy
Dry brown lesions with concentric rings on potato leaves point to Alternaria. Field diagnosis, differences from late blight, a control programme and the common mistakes.
News
俄罗斯联邦农业卫生监督局检查了乌里扬诺夫斯克州452公顷的马铃薯田，未发现检疫性有害生物。
2026年8月1日至19日，俄罗斯农业卫生监督局的检查员对斯塔罗曼斯基区和乌里扬诺夫斯基区的452公顷马铃薯种植园进行了调查。
News
俄罗斯马铃薯病毒比预期更狡猾——科学家破译全国范围内的Y病毒变异株
一项覆盖俄罗斯18个地区的马铃薯病毒全面基因调查揭示了一个令人震惊的现实：最具破坏性的病原体——马铃薯Y病毒（PVY）——