Crop & Pest Report


Plant Pathology

Projections for 2014 Sugarbeet Crop (05/08/14)

In the US, sugar is processed from sugarcane and sugarbeet. Sugarcane is produced in Florida, Louisiana, Texas and Hawaii. Sugarbeet is produced mainly in Minnesota, North Dakota, Idaho, Michigan, Montana, Nebraska, Colorado, Wyoming, Oregon and California.

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Ear Rot Disease Concerns At Harvest For A Corn Grower In ND (09/12/13)

Keeping in view of the weather and insurance concerns, growers should keep an eye out for corn ear rots at harvest.

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Soil Sampling For Soybean Cyst Nematode (SCN) (09/12/13)

Soil samples for cysts require a different test than a fertility sample. It is important to treat the SCN soil sample with care and get the sample to the lab as soon as possible. Although cysts are tough, they are still living creatures and do not do well in the sun in a truck for week. Private and public labs can do cyst tests (Agvise, NDSU, UMN, etc.).

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Keeping Dry Bean Seed Is Risky (09/12/13)

There are many seed-borne diseases of dry beans; bacterial blights, Anthracnose, and bacterial wilt to name a few. If you keep seed that is infected with one of the pathogens causing these diseases, you greatly increase your likelihood of having an epidemic in the future.

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Soybean Cyst Nematode Damage Showing Up (08/22/13)

If you are beginning to see areas in soybean fields where soybeans are shorter and beginning to turn yellow, it is important to start thinking about soybean cyst nematode (SCN).

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Bacterial Blights Showing up on Dry Beans (08/22/13)

Halo Blight and Common Bacterial Blight both are both being frequently reported throughout the growing region this year. In most years, Common Blight is common, but Halo Blight is relatively rare. Halo Blight caused its greatest damage to edible beans when temperatures are in the high 60’s to low 70’s. Common Bacterial Blight causes more damage when temperatures are in the 80’s.

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Be on the Lookout for Late Blight (08/22/13)

The cause of the Irish potato famine, late blight (Phytophthora infestans) is rearing its ugly self again this year. Late blight is a serious disease, because it can devastate potato and tomato fields in a matter of days. Many potato growing states and provinces have identified late blight this year, however it has not been found in North Dakota.

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Update on Sugarbeet Diseases (08/22/13)

Some of the common diseases that affect sugarbeet include Cercospora leaf spot, Fusarium, Rhizomania, and Rhizoctonia crown and root rot.

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Review Of Corn, Dry Bean, Soybean And Sunflower Rusts (08/08/13)

Weather in the state has generally been conducive to rust infection and spread, and I have received a good number of questions about rusts on several crops. Below is general information about rusts, followed by specific information to several rust diseases that you may be thinking about. I am not discussing cereal rusts because much of those crops are mature.

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Sugarbeet Crop Progress (08/08/13)

Wet field conditions in April delayed sugarbeet planting by about two weeks. Typically, all things being equal, later plantings result in lower yields than earlier plantings.

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White Mold (08/01/13)

I am receiving many inquiries about white mold, particularly from dry edible bean growers. In my opinion, the statewide (or region-wide) risk of white mold is somewhat more complicated than it has been in recent years, for two reasons.

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Small Grain Disease Forecasting (08/01/13)

Moderate to high risk of Fusarium head blight infection (FHB) is still present (July 30th) for susceptible wheat and durum varieties in northern and northwest counties in North Dakota.

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Small Grain Disease Forecasting and Update (07/24/13)

The NDSU disease forecasting site ( for small grains indicates continued risk for leaf diseases and FHB (scab) along the northern tier of counties in ND.

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Cercospora Leaf Spot of Sugarbeet (07/24/13)

Cercospora leaf spot (Figure 1) is the most damaging leaf disease of sugarbeet in North Dakota and Minnesota.

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Small Grain Diseases (7/18/13)

The NDSU small grain disease forecasting information indicates some continued risk of tan spot infection, as of July 16, and moderate risk of FHB (head scab) for susceptible varieties across many areas of the state.

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Fusarium Yellows Rear its Deadly Fangs in Crookston (7/18/13)

Fusarium yellows was first observed very early at the American Crystal Coded Research trial at the Moorhead, MN research site in June. There are several commercial fields in the Crookston and Moorhead Factory Districts that have been diagnosed with severe Fusarium yellows.

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Bacterial Blight and Brown Spot in Soybeans were Found (07/11/13)

Spotted Bacterial Blight and Brown spot (Figure 1) in recent scouting’s of soybean fields across Ward and Renville counties. These two diseases generally look alike and hard to differentiate with naked eye.

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Review of Conditions Favorable for White Mold (07/11/13)

White mold is a concern in most broadleaf crops, but only once they enter bloom and under favorable environmental conditions.

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Tilt Fungicide has New PHI for Wheat and Barley (07/11/13)

Tilt fungicide now has a new PHI for wheat and barley. The previous label said “Do not apply after Feekes 10.5; the new label says “Do not apply after Feekes 10.54.”

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Java Script Must be Activated on Servers to Access Small Grain Disease Forecasting (07/11/13)

Several people have brought to my attention that the NDSU Small Grain Disease Forecasting site ( is not opening up properly for them, not giving them access to all the NDAWN stations and growth stage choices.

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