POTATOES.NEWSGlobal potato industry intelligence391 stories
AHDB, NAPPO and UK trade reports show how ethylene and spearmint oil control sprouts after the CIPC ban, what doses are used and why costs per tonne are several times higher.
On 14 September 2026, the Rosselkhoznadzor Directorate for Oryol and Kursk Regions issued a warning to residents about a dangerous quarantine disease — potato wart. Specialists noted that the disease affects tubers, forming growths resembling cauliflower that eventually…
Overcast weather stretches the kill time of contact desiccants to weeks, Russian growers say, while EU farms have worked without diquat since 2020.
Trials in Kenya and Bangladesh show resistant varieties such as Kenya Mpya, Alouette and Sarpo Mira can hold late blight to very low levels without fungicide, while European growers still spray eight to 10 times a season.
Russian growers report watery rot even in crops lifted after full skin set in dry weather, and point to variety tolerance as the missing factor.
Egypt's Central Potato Laboratory tested 47 samples of 914 t of stored local seed for brown rot and 165 pivots on 16,714 feddans joined pest-free areas; Obour prices were EGP 13-19/kg.
A Syngenta agronomist tells farmer.pl that some Polish lots reach 17–18% starch while others from the same fields have 13–14%, and some fail the 13% minimum.
Agriculture and Agri-Food Canada has started a national survey of potato pink rot to monitor fungicide sensitivity. Late-August rain left wet spots in fields and may raise pink rot levels this harvest.
Recombinant strains of potato virus Y now make up more than 90% of US isolates. In Washington trials, infected plants produced 22% to 32% cracked tubers.
A study of 105 field trials found that potato yields fell 12% to 61% when weeds were not controlled. The farm-gate loss would reach US$465 million in the US and US$61 million in Canada.
Britain replaced the 1956 Smith Period with the Hutton Criteria in 2017. Tested on over 2,000 outbreaks, the new rule needs only 6 hours of 90% humidity and gave a much better accuracy score.
Canada's new bacterial ring rot directive for seed potatoes takes effect on October 12, 2026. It keeps zero tolerance and sets sample sizes of 100 to 800 tubers by field size.
