CropsRot and unfamiliar diseases hit Rajshahi's betel vineyards, growers say
Betel growers in Durgapur, Bagmara, Mohanpur, Puthia and Tanore say pesticides are not stopping leaf rot; the agriculture office says it knows of no new disease.
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Crop disease
Crops
CropsCIMMYT trains specialists from Bangladesh and 10 more countries on crop diseases
Twenty-two specialists spent two weeks in Mexico learning to identify, monitor and manage wheat blast, rusts, Fusarium head blight, tar spot and maize lethal necrosis.
AgrotechMachine learning helps Canadian scientists hunt white mould resistance genes in soybeans
An Agriculture and Agri-Food Canada and Carleton University team combines genomic, gene-expression and protein-interaction data with machine learning to find the many small-effect genes behind resistance to Sclerotinia.
CropsRed crown rot reaches Iowa as the soybean disease spreads across the Midwest
Iowa confirmed its first two cases of the soilborne soybean disease this year; pathologists say losses can reach 50 to 70 percent in bad patches and urge farmers to scout, test and stop soil moving between fields.
CropsRothamsted finds 95% of UK samples of an oilseed rape canker fungus resist SDHI fungicides
The first confirmed report worldwide of SDHI resistance in Plenodomus biglobosus, one of the two fungi behind phoma stem canker, raises concern about disease control in oilseed rape.
CropsDurham scientists propose attacking plant pathogens through shared protein weak spots
A review in The Plant Journal suggests crops could be protected against whole families of pathogen proteins at once, using AI protein design to block features the pathogens share.
CropsMSU asks growers for samples of a new corn leaf spot now seen in about 14 Michigan counties
The disease resembles Phaeosphaeria leaf spot or maize white spot, but DNA sequencing has not yet identified the fungus; reports have also come from New York and Pennsylvania.
AgrotechSIU researchers build camera robot and AI to spot soybean disease before symptoms show
The battery-powered robot films the undersides of soybean leaves where drones cannot see, feeding AI models meant to map frogeye leaf spot hot spots for targeted fungicide.
AgrotechAirborne spore detectors can see canola disease two weeks early; the hard part is telling the farmer whether to spray
Spornado has 1,600 samplers in 25 countries and tests for 35 pathogens, BioScout images spores with AI and Paramoria builds Prairie thresholds from scratch, but none can yet give a validated spray-or-don't-spray call; Spornado aims to by 2027.
Crops
Prairie agronomists urge canola growers to clip stem samples during harvest
A few minutes with a pair of clippers at swathing time can tell Prairie canola growers which blackleg race and whether verticillium stripe is in their fields, and steer next year's variety choice, extension staff told a disease workshop in Saskatchewan.
Crops
Wet, warm week raises ear rot and sprouting worries in Midwest corn
A stalled front from Kansas to the Great Lakes is bringing repeated rain through 17 September; Kansas State's Logan Simon reports Fusarium, Diplodia and Aspergillus calls 'blowing up', and agronomists urge scouting beyond the end rows, harvesting sprouted fields first and drying to 15% moisture.
Crops
Tar spot of corn confirmed in North Carolina for the first time
The fungal disease tar spot has been found in corn in Randolph County, North Carolina, the state's first confirmed case, bringing to 19 the number of US states reporting it this year; a state pathologist says late-season infections rarely cut yield but scouting matters if wet weather continues.
Crops
South Dakota confirms its first tar spot of 2026 in six south-eastern counties
Tar spot has been confirmed in Union, Clay, Yankton, Lincoln, Turner and Minnehaha counties after August humidity and rain followed months of drought, but with most corn already dried down a state plant pathologist recommends no treatment this year.