Crop & Pest Report

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More Waterhemp Sightings in the Northern Red River Valley (09/01/16)

Soybean are well past flowering, producing two and three seed pods on tens of nodes per plant. In a few weeks, soybean will begin to senescence as the plant completes its lifecycle.

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Control Weeds Following Small Grains Harvest (08/18/16)

Thrashed small grains fields have a clean and tidy look, especially from the highway. However, closer examination reveals a great number of weeds, especially waterhemp, emerging through the stubble.

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Waterhemp Tolerance to PPO Inhibitor Herbicides (SOA 14) in Minnesota (08/18/16)

A population of waterhemp was confirmed tolerant to PPO inhibitor herbicides in a field in Jackson County, MN in July, 2015. Jackson County borders Iowa and is east of Worthington, MN.

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National Weed Survey (08/18/16)

The following information was provided by Lee Van Wychen, Director of Science Policy for Weed Science Society of America.

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Growth Regulator Symptoms on Soybeans (08/04/16)

Question: Over the last 10 days or so, especially since we received the 6+ inches of rain, I’ve been coming across several soybean fields that are exhibiting substantial cupping and/or puckering of the leaves, primarily on the newest growth.

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Waterhemp Control with Flexstar (08/04/16)

Question: My manager previously contacted you about possible PPO herbicide resistant waterhemp in our area.

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Lambsquarters Control (08/04/16)

Question: I was wondering if there is any confirmed resistance of lambsquarters to ALS herbicides in North Dakota?

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Quelex Herbicide Receives EPA Registration (08/04/16)

Quelex controls broadleaf weeds, including henbit, shepherdspurse, flixweed and other mustards in wheat. This herbicide allows rotational to many crops including soybeans.

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Supplemental Glyphosate Label for Preharvest on Oilseed Crops (08/04/16)

Question: An applicator wanted to know pre-harvest choices to spray tame mustard.

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Lack of Canola Seed Fill (07/28/16)

Question: I have a customer whose peas have made pods, but they are not filling up with peas. Could the peas have phosphorus deficiency?

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Roundup Ready 2 Xtend Soybeans Gain Eu Import Approval (07/28/16)

The European Commission has granted import approval for Roundup Ready 2 Xtend® soybeans which for allows for the import and food/feed use of Roundup Ready 2 Xtend soybeans into the European Union.

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Molecular Herbicide Resistance Testing (07/28/16)

This may not apply to most of you but there is molecular testing available to confirm herbicide resistance to herbicides.

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Herbicides Safe to Cover Crops (07/21/16)

Question: Had a customer inform me this morning he is setting up a Valmar system on his side dress fertilizer rig so he can broadcast his cover crop mix while side dress application in corn. Is there a cheat sheet yet for what I can recommend for herbicides when considering there will be seeding of cover crop approximately 30 days later?

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Waterhemp Moves North and West (07/14/16)

Waterhemp was identified at multiple locations in the vicinity of the Red River near ND 17 (east of Grafton, ND) in 2015.

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Foxtail Barley Control (07/07/16)

Question: Can you help me plan the correct time and method to control the foxtail barley that has invaded our pastures.

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Galinsoga (07/07/16)

Question: Any idea what the weed in the photograph below is? Found growing in the Grafton area.

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There Is Plenty of Plant-To-Plant Variation in Waterhemp (07/07/16)

I received several inquiries last week about waterhemp. The conversation goes..."I am nearly certain its waterhemp, but it doesn’t look quite right”.

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Questionable Herbicide Contents (06/30/16)

Question: I have a container of herbicide and am unsure of the contents or if the herbicide is the same as indicated on the container. Is there a place I can get it tested to make sure I know what the herbicide is?

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Vigilent Watch for Palmer Amaranth (06/30/16)

To date, Palmer amaranth has not been documented in North Dakota. We want to keep it that way.

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Softened Water used for Herbicide Application (06/23/16)

Question: Rich, I received this e-mail message about switching from AMS to large commercial water softeners for herbicide application. Have you had any experience with growers using this for glyphosate applications etc.? Besides the cost what other downsides are there? Thanks!

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