Crop & Pest Report

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Crop & Pest Report

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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pdl.ostrander.sample pie chart

Plant Diagnostic Lab Update (05/28/15)

For over 40 years, the NDSU Plant Diagnostic Lab has helped individuals and professionals in agriculture and horticulture identify plant pests, diseases and cultural problems.

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wsci.peters.sugarbeet field

Scout your sugarbeet fields for kochia (05/28/15)

I believe that sugarbeet fields were planted before kochia germination and emergence; thus, kochia was not removed with spring tillage in 2015.

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Assessing frost injury to soybean: Is there an interaction with soil-applied PPO herbicides? (05/28/15)

The following is adapted from an article written by Dr. Jeff Gunsolus, Extension Weed Scientist, Weed Scientist, U. of MN.

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Common Ragweed Control in Dry beans (05/28/15)

Question: I am searching for some answers to an ongoing issue on a client farm.

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soils.franzen.sulfur deficiency

Early spring yellowing in small grains (05/28/15)

The small grains in the RRV are generally green right now. However, in a trip yesterday in south central ND to put out a research plot, there were a considerable number of fields with yellowing in small grains.

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ppth.markell.figure 1 soybean damping off

Pythium of soybeans (05/28/15)

Soybeans are sensitive to multiple pathogens (see previous article), but I am concerned about Pythium infections in the earliest planted soybeans. Pythium is favored by cool soils, generally less than 60o F and lots of water. Soybeans that were planted three weeks ago had lots of both.

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Look for Root Rots (05/28/15)

Fields that were planted before the heavy rains began and the cool temperatures set in a couple weeks ago are at high risk for root rot development.

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plsc.peters.cover crops

Stop cover crops (05/28/15)

I am pleasantly surprised with the great number of sugarbeet fields that have used cover crops as a companion crop with sugarbeet this spring.

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plsc.ransom.table 1

Evaluating Corn Stands (05/28/15)

Corn planting, even with the recent rainy weather related pause, is well ahead of average. The warmer weather of the past few days has really helped corn growth and corn in most fields have emerged.

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Potato Bacterial Rot Sample Request (05/28/15)

When conditions become wet and cool, the slow growth of potato tubers can cause them to become susceptible to bacterial soft rot.

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plsc.kandel.sunflower planting gaps

Sunflower Planting (05/28/15)

In North Dakota, sunflower planting may extend from mid-May until mid-June. Last winter’s limited snow fall along with a dry spring convinced many sunflower producers to plant the crop earlier than normal.

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ent.boetel.table 1 acc dd root maggot

Sugarbeet Root Maggot: Activity Peaks Possible Within 2 Weeks (05/28/15)

The first sugarbeet root maggot (SBRM) flies of the season were observed on Tuesday, May 26 in a field near St. Thomas, ND.

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ent.knodel.green lacewing.good bug corner

Good Bug Corner (05/28/15)

This week’s featured is the green lacewing (Chrysopa species). The adult is a beautiful 1 inch long, green insect with 2 pair of clear, network-like wings, and large golden to red eyes.

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ent.knodel.acc.base.48 dd.insect

Insect Pest Updates (05/28/15)

Insect pest updates on canola, alfalfa, wheat, and field peas.

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