Plant Disease

Blog Posts
Pictures of the two handbook covers described in the article
Newly revised pest management handbooks now available
You have been patiently asking for them for a while now. The long-awaited revision of two pest management handbooks has finally happened! University...
This purple coneflower is infected with aster yellows, which produces odd and deformed flowers that can actually be interestingly attractive at times.
Aster yellows in central Illinois
It is always interesting to observe plant diseases, unravel the mystery of how a particular plant became infected, and look toward solutions. ...
tomato stem with section of dying tan colored tissue
White mold or timber rot in tomatoes
During routine scouting of plants in the high tunnels at DSAC, a tomato plant was observed to be severely wilted. Upon further inspection, a dried up...
Sycamore tree infected with Anthracnose with Garden Scoop logo
Cool, wet weather sets the stage for Anthracnose
With our cool, wet spring, conditions were perfect for the development of anthracnose.  This common tree disease is present every year, but...
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News Releases
Pink and orange blooming zinnia flowers speckled with white powdery mildew on leaves
Prevent, protect zinnias from powdery mildew
URBANA, Ill. — The summer is always a little brighter in the garden when brightly colored zinnias are among the various plants. Zinnias are heat and drought-tolerant plants that attract a variety of summer pollinators. This flower thrives early in the season, but as summer temperatures rise and...
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Videos
Identification and Control of Woody Invasive Plants

Invasive shrubs, trees, and vines are a serious threat to native plants and natural areas in Illinois. Species such as Amur honeysuckle and common buckthorn can grow so dense that they nearly block all of the light to the forest floor. Vines, like Oriental bittersweet can wrap around trees so...

Staff