Powdery scab, caused by Spongospora subterranea, thrives in cool, moist conditions and can significantly impact potato crops by forming lesions on tubers and galls on roots.
Tag Archives Crop disease
Powdery scab a puzzling potato problem
Biosecurity, such as avoiding the use of manure from livestock that ate infected potatoes, is a must
Potatoes Prairie-wide
Practical Research: How Prairie researchers uncovered a serious potato disease’s hiding place
As a consequence of cleaning up potato diseases, the most recent yields in Prairie potatoes, as of 2024, are 20 tons per acre for Alberta and 18 for Manitoba.
In disease resistance, sunflowers don’t shine
Practical Research: Insects don’t often hit economic thresholds, but sclerotinia and other diseases do damage
The known insect pests of sunflowers don’t often hit economic thresholds in those crops, but certain diseases can do significant damage.
Later is better when spraying for fusarium
Some advice to growers still recommends spraying earlier, but researchers say recent studies point in the opposite direction
Research and field testing in North Dakota indicate the best time to spray for fusarium head blight is when the first flowers appear in the centre of the wheat head.
AAFC researcher looks at link between drought and aster yellows
While not as voracious as flea beetles, the aster leafhopper hurts yields by spreading disease
One of the most intriguing discoveries in the study of aster yellows is the apparent link between drought in the U.S. Great Plains region — the source region for migratory leafhoppers — and the severity of outbreaks in Canada.
Cyber-Savvy Farmer
