In the last couple of years, aster leafhoppers have arrived around the third week of May, perhaps on the same wind that diamondback moths fly in on from the U.S. The aster leafhopper is a small, bullet-shaped insect that doesn’t directly damage the plant; instead it is a vector for the disease aster yellows. In… Read More
Category: Aster yellows
There are few things as frustrating as spending untold hours of preparation and seeding (and finally some rain!) only to have a host of insects crawl or fly in and eat the crop’s yield potential. In this episode of the Canola School, provincial entomologist for Saskatchewan’s Ministry of Agriculture, James Tansey, gets outside to talk… Read More
As the canola crop moves out of flower and into pod fill, farmers start to notice misshapen pods. Some curl from thrips damage, others may have insect feeding damage, but it’s the tell-tale bladder-like pods of aster yellows that will make many farmers — hit hard by last year’s infection — cringe when they see… Read More
Two years ago if you had asked the average Saskatchewan canola grower what aster yellows was, they likely wouldn’t have been too concerned about it, if they had ever heard of it at all. That’s because aster yellows, a disease carried by the aster leafhopper insect that mangles the buds/pods of a plant, typically occurs… Read More