Crop & Pest Report

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Crop & Pest Report

plsc.ransom.waterlogging

Small Grain and Corn Development: 2015 Growing Season (06/11/15)

Small grain acres were planted one to three weeks earlier this year than the long term average. Early planted small grains usually develop greater yield potential as the cooler temperatures normally encountered in early spring favor the development of more tillers and larger spikes.

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plsc.kandel endres.table1

Soybean Growth and Development (06/11/15)

At this time of the year, soybeans have emerged or are emerging. Soybean plant development has two distinct phases.

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ent.knodel.alfalfa weevil

Alfalfa Weevil Degree Day Update (06/11/15)

The southeast area of North Dakota has accumulated enough degree days (DD) for the major leaf feeding stage (504 to 595 accumulated DD) by weevil larvae.

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Valor use in Dry Beans (06/04/15)

Question: I heard yesterday Valor does not have a dry bean label for ND anymore but OK in MN though. What am I missing here Rich?

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wdsci.zollinger.wheat.contact injury

Contact Injury on Wheat (06/04/15)

Question: Does this look like a contact herbicide on wheat leaves? There is damage on one side of field and less as you go farther out into field. The injury is greatest along the whole field edge. The adjacent field is soybeans and I think it was sprayed prior to beans emerging. So maybe a burn down product was used, do you know what may have been used as a contact burn down product?

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No-Till Fields Planted (06/04/15)

I have, or will have, 30 sites this year from Casselton to Beach to Bottineau in various studies.

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Patience on Yellow Corn, but React to Yellow Wheat Now (06/04/15)

Most wheat fields are in the 3-5 leaf stage and have some yellow in them, especially in areas receiving near record May rains.

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ppth.friskop.wheat rust

Stripe Rust Detected in North Dakota (06/04/15)

On Monday, we received a wheat leaf sample collected by Dr. Janet Knodel and Sam Haugen (Plant Pathology graduate student) that was confirmed as stripe rust.

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plsc.ransom.table 1 2.

Evaluating Emergence Uniformity in Corn (06/04/15)

Last week I wrote about evaluating corn stands to determine if replanting would be profitable. This week I will discuss the issue of stand uniformity.

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plsc.kandel.soybean field

Counting Soybean Plants (06/04/15)

Counting soybean plants just after plants are up and in the cotyledon or unifoliate growth stage is a good method to evaluate the crop stand.

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ent.knodel.bydv

Cereal Aphids Arrive (06/04/15)

Our first cereal aphids were detected in McHenry County in the NC area of North Dakota at sub-economic level, 14% incidence, on durum wheat by the IPM Scout, Jacee Aaseth. Scouting over the next month will be important for the wheat (spring, durum and winter), oat and barley.

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ent.knodel.syrphid fly

Good Bug Corner (06/04/15)

This week’s featured bug is the syrphid fly or hoverfly (Diptera: Syrphidae). There are about 1,000 species of syrphid flies in North America, and are common in field crops.

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Sugarbeet Root Maggot: The Calm before a Pending Storm (06/04/15)

Although sugarbeet root maggot (SBRM) fly activity is currently at low levels throughout most of the Red River Valley (RRV), all indicators thus far suggest that some sites within the Valley will experience very high populations this year.

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news.knodel.map ipm

IPM Survey STARTS (06/04/15)

The Integrated Pest Management (IPM) field scouts training was conducted on May 27th at the Carrington REC. Field scouts in the IPM program will be surveying four crops (wheat, barley, sunflower and soybean) for major diseases and insect pests.

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wthr.ritchison.base 34

The May 28 through June 3 weather forecast (05/28/15)

The next 7 days is expected to bring extremes in temperatures with precipitation projected to occur during three time frames.

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wthr.akyuz.Corn

Weather/Crop Phenology Maps (05/28/15)

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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South Central ND (05/28/15)

Information from the South Central region of North Dakota.

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Northeast ND (05/28/15)

Information from the Northeast region of North Dakota.

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North Central ND (05/28/15)

Information from the North Central region of North Dakota.

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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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