Crop & Pest Report




Taking Care of Trees after a Storm (07/13/17)

While most of the discussion recently has been focused on drought, some parts of the state are dealing with the aftermath of heavy storms.

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You Can Take the Birch out of the Forest But… (06/22/17)

Birch trees are found in cool northern forests where the soil is slightly acidic.

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Drought Stress on Newly Planted Trees (06/08/17)

With nearly 1 quarter of North Dakota experiencing ‘moderate drought’ and the remainder of the state observing ‘abnormally dry’ conditions, recently planted trees may be suffering from drought stress.

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Leaf Galls Already Observed…(06/01/17)

A number of different pests – insects and mites – produce a variety of galls on tree leaves. We normally don’t observe galls until later in the summer – late June through August. This year, I’ve already observed the galls produced by the maple bladder gall mite.

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Green Banding on Ash Trees (05/25/17)

Communities across the state are participating in Emerald Ash Borer Awareness week by placing bright green bands on a sampling of their municipal ash trees. Each band has a printed message along with a QR code that links smart phones to information at

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Basic First Aid for Snow-Damaged Trees (05/04/17)

Heavy snows have melted, exposing a lot of the damage they did to North Dakota’s trees this winter.

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forestry.zeleznik.bergdahl.ash anthracnose

Ash Anthracnose – A Recurring Problem (05/28/15)

Cool and moist weather during the period of ash budbreak has again led to high levels of ash anthracnose, a leaf disease common to our region.

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