Crop & Pest Report

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Crop & Pest Report

wthr.Corn

Weather/Crop Phenology Maps (05/26/16)

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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Weather Forecast: May 26 – June 1

Weather Forecast: May 26 – June 1

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Southwest ND (05/26/16)

Information from the Southwest region of North Dakota.

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ats.scnd.endres.corn

South Central ND (05/26/16)

Information from the South Central region of North Dakota.

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Northeast ND (05/26/16)

Information from the Northeast region of North Dakota.

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Northwest ND (05/26/16)

Information from the Northwest region of North Dakota.

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Sprayer Cleanout – Avoiding Crop Injury due to Contamination (05/26/16)

Growers may use the same spray equipment to apply selective herbicides in multiple crops in the spring or summer. Crop injury due to contamination is a preventable problem if the appropriate precautions are used in advance to clean spray equipment. How does it happen?

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SU Canola (05/26/16)

Question: I have a few clients growing SU resistant canola. I have been told they need to use Draft herbicide. In the herbicide compendium in the weed guide it says it is composed of rimsulfuron and thifensulfuron. Is this correct? I was told it contained Harmony and Express?

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Effect of MSO and AMS on Group 14 Herbicides (05/26/16)

Glyphosate-resistant kochia has been identified in several locations across North Dakota. This raises the question as to how emerged kochia will be controlled without glyphosate.

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Nitrogen Rate and Yield between Fields are not Related (05/26/16)

The N rate calculators for wheat (2010), corn (2014) and sunflower (2016) are not yield-based formulas. I continually am asked how much N is needed for a bushel of ‘X’. The answer is: ‘It’s not important’.

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Dig Up Some Wheat Plants....Now!! (05/26/16)

It's important for farmers and agronomists to examine wheat plants, about 6 weeks after planting, because the plants can "tell" you a lot about their overall health, and lessons can be learned, if you know what you are looking for.

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Disease Forecasting Models for Small Grains Available (05/26/16)

The development of wheat fungal leaf diseases (tan spot, Septoria, leaf rust) can be assessed using the NDSU Small Grain Disease Forecasting Model.

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ppth.friskop.1

Stripe Rust Found in North Dakota (05/26/16)

On May 23rd, stripe rust was confirmed in winter wheat research plots in Cass County (found by Matt Breiland, Research Specialist) and Adams County (found by John Rickertson, Research Agronomist, Hettinger REC).

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Managing Early Season Fungal and Fungal-like Diseases of Sugarbeet (05/26/16)

The most common early season diseases are damping-off which may be caused by Pythium, Rhizoctonia and Aphanomyces.

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plsc.ransom

Reducing Lodging in Small Grains with Growth Regulators (05/26/16)

Weather and crop conditions in the 2015 cropping season resulted in widespread problems with lodging in wheat, barley, and oats.

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Soybean Cultivar Maturity Rating and Yield (05/26/16)

About 81 percent of the 2016 soybean crop has been seeded as of Sunday May 22. As we are nearing the end of the planting season, producers sometimes wonder about which relative maturity (RM) will provide the best results.

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Sugarbeet Root Maggot: Flies could come Early this Year (05/26/16)

Recent periods of relatively warm temperatures in the Red River Valley (RRV) have likely accelerated development of overwintered sugarbeet root maggot (SBRM) larvae.

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Wireworm Pressures High (05/26/16)

Numerous calls/emails on crops (winter wheat, hard red spring wheat, field pea, and sugar beets) damaged by wireworms have been received over the past weeks, especially in crops in no-till systems.

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Transform Insecticide Update (05/26/16)

EPA has open a comment period on Transform®/Closer®/Sequoia® with Isoclast® insecticide (a.i. sulfoxalfor) from Dow AgroSciences until June 17th.

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