Research scientist talks about the prevalence of aster yellows in canola in Alberta, with testing on its pest carriers and ...

Aster yellows disease: You may have heard of this bizarre condition, or, like me, perhaps you’ve seen it in your own garden but didn't realize it was a disease. The first time I saw Aster yellows on ...

Aster yellows is not a new variety of flower; instead, it is a bacteria that affects over 300 species of plants, including ornamentals such as aster, coneflower, zinnia, marigold, chrysanthemum, ...

This purple coneflower is infected with aster yellows, which produces odd and deformed flowers that can be interestingly attractive but must be controlled to limit infection of other susceptible ...

Q: What do you think is wrong with this coneflower? It just drooped and really isn't bouncing back. All the others are doing great. Could it be burned from too much fertilizer? Also, I have a row of ...

Q: Can you tell me what is wrong with this carrot that I pulled from my garden today? Is it still edible? A: It looks like your carrot has aster yellows. Aster yellows is a disease that can affect a ...

Q: I got a good carrot crop this year, but a few of the carrots have what looks like it might be a disease. They are smaller and thinner, the greens look extra bushy but also very short, and the ...

Coneflowers are one of my favorite garden flowers as they are so attractive to the pollinators, make wonderful additions to any cut flower bouquet, and are incredibly long lasting. So, imagine my ...