Plant Disease

Blog Posts

Bacterial wetwood: symptoms, causes, and management tips photo of tree trunk with wound that has discoloration below it on the bark
Bacterial wetwood: symptoms, causes, and management tips
As the autumn leaves fall from our trees, the trunk and branching structure become more prominent and visible. This transformation can add new...
A stack of recently cut logs
The Hidden Dangers of Sharing Firewood: Protecting Our Trees
If there is one certainty for all humans is that we are drawn to natural elements. Two of the best examples are how we can become transfixed when...
Squash bug and cucurbit yellow vine decline research proposals
Recently, Iowa and Illinois have confirmed the presence of cucurbit yellow vine decline (CYVD), a disease that causes yellowing, wilting, and...
person holding a new strawberry plant growing in a soil plug
Neopestalotiopsis in strawberry
It’s here and now we have to deal with it.  ...
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News Releases

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Helpline answers Home Gardening Questions
Have a gardening question?  The Master Gardener Helpline at the University of Illinois Extension is open for the season. Designed to help the home gardener with their questions, the helpline is staffed with Master Gardener volunteers who will provide a research-based...
Youth teams standing at a crop scouting station discussing plants with a researcher.
Illinois crop competition calls for youth scouting teams
URBANA, Ill. — The Illinois Youth Crop Scouting Competition is not just any competition. It is a unique opportunity for agriculture students to showcase skills and knowledge while working on a team competing for a prize...
pumpkins and mums near wagon
Holiday favorite gourd is good to go for 2022
Few of us stop to wonder how that slice of pumpkin pie made it onto our plate, but if it weren't for the Illinois pumpkin industry and plant pathologist and Extension specialist Mohammad Babadoost, the classic fall...
Illinois Extension wordmark
Guide outlines steps to take when pesticide drift occurs
URBANA, Ill. – Pesticides assist in managing pests. People should use precise application techniques detailed on the label so they don’t endanger people, pets, livestock, plants, and the environment. Damage can occur when pesticide drifts from its intended location onto...
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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...

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