Crop & Pest Report

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Plant Pathology

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2016 Soybean Cyst Nematode Sampling Program (09/01/16)

The NDSU Extension Service and the North Dakota Soybean Council are working together again to coordinate a SCN soil testing program.

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White Mold Update (08/18/16)

The typical manila to cream colored white mold lesions are appearing in dry beans and soybeans.

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Sunflower Rust Update (08/18/16)

Heavy and frequent dews combined with warm temperatures have provided a favorable environment for sunflower rust.

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Dry Bean Rust Continues to Spread (08/18/16)

We have had multiple reports of dry bean rust throughout the state. In many areas, the severity is low, but in some fields severity is already high enough to cause yield loss.

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Soybean Cyst Nematode Sampling Program will Begin this September (08/18/16)

The NDSU Extension Service and the North Dakota Soybean Council are working together again to coordinate a SCN soil testing program.

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Corn Foliar Disease Survey Update (08/04/16)

The NDSU corn pest scout has visited 25 fields over the past two weeks and has identified a few foliar diseases.

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Cercospora Leaf Spot Control (08/04/16)

Is the weather helping or hurting the sugarbeet crop?

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Pea and Lentil Disease Update (07/28/16)

Scouting of peas and lentils in Burke, Williams, Divide, Mountrail and McKenzie Counties for foliar disease continues as earlier planted crops start to come off the field (Adam Carlson, Crop Scout NDSU).

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Wheat Foliar Disease Update – IPM Survey (07/21/16)

The IPM scouts are reporting increasing levels of foliar diseases in the wheat crop.

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Conditions are Favorable for Sunflower and Dry Edible Bean Rusts (07/21/16)

Heavy and/or frequent dews and warm temperatures provide a favorable environment for both sunflower rust and for dry edible bean rust.

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Fusarium Head Blight (Scab) Risk for Late-seeded Small Grains (07/14/16)

Several late-seeded spring wheat fields in ND will be approaching flowering soon.

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Fungicide Use on Hail Damaged Corn and Soybeans (07/14/16)

Last week several areas in North Dakota received significant rainfall and severe hail events. Hail damage in crops ranged from severe to complete defoliation.

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White Mold Review (07/07/16)

As broadleaf crops begin to bloom, white mold becomes a concern.

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Bacterial Diseases 101 (06/30/16)

The reports of high winds, hail and rain throughout the last two weeks has contributed to the frequent reporting of bacterial diseases.

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Fusarium Head Blight (Scab) Risk for Small Grains (06/30/16)

A significant portion of the small grains in the southern half of North Dakota are entering stages of kernel development.

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Bacterial blights on dry beans appearing (06/30/16)

Bacterial blights are already appearing in dry edible beans. The amount of damage that we are observing this early is rare and is cause for concern.

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Questions When Managing Cercospora Leaf Spot of Sugarbeet (06/30/16)

As we get closer to the time when growers will start fungicide applications for control of Cercospora leaf spot, growers usually have some questions they will like answered to help in their farm decision making processes.

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Incidence of Ascochyta Blight in Peas and Lentils in Northwest ND (06/23/16)

Scouting of pea and lentil fields in NW ND has revealed low incidence of Ascochyta Blight in lentils (Fig 1), and low to moderate incidence in field pea (Fig 2) so far this season, however, cool and wet conditions in the forecast may lead to increased incidence of this disease.

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Fusarium Head Blight (Scab) Update (06/23/16)

According to both scab risk forecasting models (Figures 1 and 2), the northeast corner of the state currently has a moderate risk of scab developing in susceptible varieties.

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