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The alien-looking fingers protruding from these crabapples release spores that can infect trees in the juniper family to perpetuate cedar-apple rust disease.

Plant Pathogen Spread

Whether its fungi, bacteria or even viruses, one of the most important aspects of plant disease management is stopping or limiting the spread of infectious pathogens.  I have always been fascinated by the way these tiny organisms, rarely visible to the naked eye, make their way through nature...
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Watering tips for hot weather

The hot, dry weather we have been getting – and will continue to get – changes how we are going to water the home landscape. Best management practices, or BMP, includes more than just watering (but water is so key to plant survival) and more than just your vegetable plants. Tips for...
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How much water does your garden need?

Originally published by Kelly Allsup on July 3, 2020. Last week's high temperatures and our limited amount of rain is making gardeners' number one job watering. Even though we have gotten some much-needed rain for the flowers and the trees, consistent watering throughout the season is...
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Tree troubles usually start at the base of the trunk

Tree troubles usually start at the base of the trunk

I get lots of pictures of sick trees. Most of the time the first photo sent to me is a declining canopy. Maybe a picture of an ugly leaf. After all, that’s what we tend to notice first as our eyes occasionally gaze upward to the living behemoths that shade our parks, yards, and homes. There is one...
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This two-spotted bumble bee forages pollen on the flower of a spirea shrub

Early History of Pollinators and Plants

This past week was National Pollinator Week, a time set aside to celebrate the amazing and monumental task that pollinators perform each and every growing season.  Worldwide, animals pollinate about seventy-five percent of all plant species, and about ninety percent of all flowering plants....
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Top 5 early summer topics for gardeners

Master Gardener Help Desk emails have really been different this past two weeks. Our early spring challenges have left and along came the first of our summer concerns in the landscape and vegetable beds. The list turned into more than a column’s worth, so going to hit the big ones this week:...
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Maple anthracnose, via U of I plant clinic

Too Much Moisture, More Tree Problems

If you are spending more time out in your backyard this week, you may have noticed some of our central Illinois trees are super ugly this spring. Maple leaves have black splotches, sycamore branches are falling to the ground and ginkgoes leaves are sparse and crinkled. All these symptoms are tree...
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Sycamores across central Illinois are late to leaf out this year due to a commonly occurring fungal infection.

Sycamores and Anthracnose

It has been another difficult spring for sycamore trees across central Illinois as near bare canopies of this tree stick out among the fully developed leaves of neighboring trees.  However, this doesn’t necessarily spell doom for your sickly looking sycamore.  It’s all caused by naturally...
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Hedge Apple Woods, Bloomington, by Rick Tindall

Get Out on the Trails

In this time of social distancing and limited activities, enjoying nature should be made a priority for all who need a bit of stress release. Have you bathed in the forest lately, hugged a tree or had a therapy session with an oak? Forest bathing is Japanese practice of immersing yourself in the...
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Trees deserve to be mulched the right way

Homeowners expect so much from shade trees, but those same trees get little care once they get established in the home landscape. Besides getting watered during stressful times, proper mulching can go a long way in the health of the tree. ...
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