Crop & Pest Report

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Crop & Pest Report

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Northwest ND (07/20/17)

Information from the Northwest region of North Dakota.

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North Central ND (07/20/17)

Information from the North Central region of North Dakota.

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Resources for Coping with Pesticide Damage (07/20/17)

Whether it is spraying the wrong field, not cleaning the sprayer sufficiently, drift to sensitive crops/plants, or taking out a garden, these and other reasons for pesticide damage can cause major problems.

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Rescuing Fields with Waterhemp (or other) Weed Escapes (07/20/17)

I walked a field last week that was not scouted in May and June (image). The question was “what are my options?”

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Off-Site Movement of Dicamba (07/20/17)

om various sources, it appears that soybeans and other crops have been injured by drift in ND.

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Leaving Wheat Plant Strips during Haying may Help 2018 Crops (07/20/17)

In areas affected by drought, many small grain fields are being put up as hay.

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Disease Risk in Hail Damaged Corn (07/20/17)

Several corn fields in the last two weeks have experienced significant hail damage. With this added injury, questions have been asked on disease risk in corn.

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Test Weight in Wheat (07/20/17)

During my travels to western North Dakota last week to attend field days, growers grappling with the decision of whether or not to hay their wheat crop were expressing concern about the test weight of their crop if taken to harvest.

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White Heads from Wheat Stem Maggot (07/20/17)

IPM scouts detected an unusually high percentage of white heads that were damaged by the wheat stem maggot, Meromyza americana.

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2017 Action Threshold for Banded Sunflower Moth and Red Sunflower Seed Weevil (07/20/17)

The USDA NASS reports that 9% of the sunflowers were blooming in North Dakota as of July 17th (USDA NASS News Release).

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New Corn Rootworm Extension Publication (07/20/17)

If you grow corn, you should be aware of corn rootworms in North Dakota.

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Soybean Aphid Update (07/20/17)

Continue scouting for soybean aphids. Soybean aphid is slowly increasing and still below economic threshold in most fields.

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What to Expect from Dicamba Injury to Potato (07/20/17)

There has been much discussion on the effects of dicamba on potato.

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Managing Bacterial Blight in Dry Beans (07/13/17)

Recent thunderstorms in Northeast ND and Northwest MN have created a favorable environment for bacterial blight in dry beans.

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Estimating Wheat Yield (07/13/17)

For early-planted wheat, there are several methods for estimating yield based on yield components.

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Blooming Progress (07/13/17)

Most of the broadleaf crops in our area have transitioned from the vegetative stage to the reproductive phase of their life cycle.

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Banded Sunflower Moth Flying (07/13/17)

Banded sunflower moth has just started to emerge based on pheromone trapping data from IPM scouts in North Dakota.

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Soybean Aphids & Spider Mites Increasing (07/13/17)

Soybean aphids and spider mites are starting to increase in soybean fields.

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Cereal Aphids on Wheat Heads (07/13/17)

IPM scouts and numerous calls/emails from crop consultants, growers and ag dealers have reported increasing cereal aphid population, especially English grain aphids, on heads of wheat. In some cases, the wheat heads have many aphids on the wheat heads (see photo).

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Dogbane Beetles Widely Reported (07/13/17)

With all of the recent media attention surrounding Japanese beetles in North Dakota, and our request to document and report any suspect insects, NDSU Extension Entomology has received several insect identification requests via photographs and actual samples.

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