Crop & Pest Report


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Northwest ND (06/30/16)

Information from the Northwest region of North Dakota.

Scattered strong thunderstorms and high winds hit the Northwest counties last week. The night of June 21 saw large hail in parts of McKenzie County while the night of June 24 brought strong winds to much of Williams and Divide Counties. Gusts of 50 mph were observed. Total rainfall for the week varied greatly across the Northwest with less than 1” in most of McKenzie, 1.0-1.5” in Williams, and 2-3+” in parts of Divide and Burke. After these storms, leaning corn and some lodged small grains have been reported.

Crop development updates: winter wheat soft to medium dough, starting to turn in many fields; barley flowering to early milk; early-planted durum is starting to flower while late-planted durum is tillering to jointing; peas are flowering to seed development (full pods); canola is flowering to early pod; lentils are flowering to early pod development; and soybean is V2-V5. Growers are advised to keep an eye out for head scab as durum begins to flower, especially in Divide, Burke, and Renville Counties where rain fall was the highest.

Levels of foliar disease in peas and lentils remain low. Our survey indicates that most of the foliar disease is occurring at levels between 1-15% incidence in the field, and there are only a few small lesions present on the leaf where we are measuring severity. In lentils we are scouting for Ascochyta, Anthracnose, Stemphylium, Botrytis, Fusarium Wilt, viruses and root rot. For a complete list of lentil results, see the ND IPM webpage about lentil. In peas we are scouting for Ascochyta, Botrytis, Bacterial Blight, Fusarium Wilt, viruses and root rot. For a complete list of pea results, see the ND IPM web page about peas.

Attend the Williston REC Field Days! Everyone is invited to the Williston REC field day July 14 featuring dryland agronomy and horticulture tours. The day starts at 8:30 am with coffee and rolls, lunch is provided, and there will be an afternoon session focusing on pulse crops. A second field day will be held July 15 at our irrigated Nesson Valley research site located 23 miles east of Williston on 1804. The irrigated tour starts at 9 am and will feature high-tunnel vegetable production and potato research among other topics. Please call 701-774-4315 with any questions about our field days.


Clair Keene

Area Extension Specialist/Cropping Systems

NDSU Williston Research Extension Center


Audrey Kalil

Plant Pathologist

NDSU Williston Research Extension Center


This site is supported in part by the Crop Protection and Pest Management Program [grant no. 2017-70006-27144/accession 1013592] from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed are those of the website author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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