Crop & Pest Report

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Crop & Pest Report

ent.knodel.2.aphid maps

Soybean Aphids - Scouting Critical (07/23/15)

Some “hotspots” soybean fields are at economic threshold (E.T. = average of 250 aphids per plant, 80% of the plants infested, and increasing populations) and will be or have been sprayed with insecticide for soybean aphid control.

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wthr.akyuz.1.Corn

Weather/Crop Phenology Maps (07/23/15)

Maps detailing corn accumulated daily growing days, percent normal rainfall, departure from normal average air temperature, and accumulated wheat growing degree days.

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Southwest ND (07/23/15)

Information from the Southwest region of North Dakota

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Northeast ND (07/23/15)

Information from the Northeast region of North Dakota.

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North Central ND (07/23/15)

Information from the North Central region of North Dakota.

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Waterhemp is Moving North in the Red River Valley (07/23/15)

I stated in winter meetings the ‘waterhemp line’ or fields where waterhemp could be scouted for and found in corn, sugarbeet, soybean or small grains fields was somewhere between Wahpeton and Fargo in 2014.

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Palmer Amaranth – A Plant Form of Cancer (07/23/15)

In the very small chance that readers have not heard of Palmer amaranth nor heard of the devastation it can inflict, here is a summary:

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Foxtail Barley Control (07/23/15)

The following information is from email correspondence with Dr. Rod Lym, NDSU Weed Scientist. Question: What are some good recommendations for control of foxtail barley in pasture - what about tips when applying Plateau and is this a good option?

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ppth.friskop.fig 1

Fusarium Head Blight (Scab) Report (07/23/15)

The small grain crop is quickly maturing across the state and now is a good time to scout fields for any head diseases; most important Fusarium head blight (scab).

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Rainfall May Drive Some Diseases (07/23/15)

We have had many questions about a variety of diseases this year. Some of the diseases are economically important but some are not.

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ppth.markell.fig 1

White Mold Update (07/23/15)

Frequent rains in much of the state have continued to provide a favorable environment for Sclerotinia ascospore production, the pathogen that causes white mold.

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Glyphosate as a Pre-Harvest Aid in Small-Grains (07/23/15)

Since many of the early-planted small grain crops are approaching maturity, I have decided to include instructions on the use of glyphosate as a pre-harvest aid; slightly revised from last year.

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Crops in Bloom (07/23/15)

Most of the main broadleaf crops in North Dakota are in the reproductive phase of crop development.

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ent.knodel.3.sunflower moth maps

Update on Sunflower Insect Pests (07/23/15)

Pheromone traps monitored by the IPM Survey scouts are capturing increasing numbers of banded sunflower moths (BSM) located in Cass and Foster Counties of North Dakota last week

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ent.knodel.1

Good Bug Corner-Parasitic Wasps (07/23/15)

This week’s Good Bug Corner featured insects are parasitic wasps in the insect family Braconidae.

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Subscribe to <AgDakota> Listserv (07/23/15)

Stay informed with the most current crop and pest information by subscribing to the <AgDakota> listserv which is the common venue for NDSU Ag specialists to disseminate timely crop production/pest control information.

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wthr.akyuz.1.Corn

Weather/Crop Phenology Maps (07/16/15)

Maps detailing corn accumulated daily growing days, percent normal rainfall, departure from normal average air temperature, and accumulated wheat growing degree days.

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Northeast ND (07/16/15)

Information from the Northeast region of North Dakota.

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