Crop & Pest Report
Question: I have several dry pea fields that have weed skips. The main weeds are volunteer wheat and 2 to 4 leaf wild buckwheat.
Page 102 (crop rotation section) of the 2016 ND Weed Control Guide shows the rotation for Olympus to Durum at 0 months. This interval is incorrect.
Flag leaves are emerged in many early seeded spring wheat fields, so one of the upcoming questions many of you will receive will center around strategies for protein enhancement.
Growers should be much more concerned about S availability in a wet year than a dry year, but yield potential of our crops is so great, and the natural inputs of S from precipitation is so low that in soils with low (less than 3%) organic matter, S can be a problem in dry years, also.
The moisture events across the state from last week have elevated scab risk for flowering wheat in northeastern and northcentral North Dakota.
Stripe rust incidence and severity have been increasing throughout several states in the upper Great Plains.
The first Sclerotinia risk map for the 2016 season will be available on June 20th, 2016 at three different websites.
Fusarium yellows were first observed in late May and confirmed on June 6 at the NDSU and University of Minnesota research site in Moorhead, MN.
In North Dakota, wheat curl mites are being found in spring wheat and winter wheat samples.
For most of the state, this season has been favorable for small grain development. From the road, many of the small grain fields appear to have tillered nicely and look to have very good yield potential.
There is usually enough iron available in the soil for soybean. However, during the early season, the soybean plant may not be able to take up enough iron.
Sugarbeet root maggot (SBRM) fly activity has increased significantly in the past couple of days, and by the time this report is published, activity levels will have peaked in the southern and central Red River Valley (RRV).
Field reports from Minnesota (MN) indicate that cereal aphids are become more common and abundant in winter wheat and spring wheat in southern areas of MN, but not the central and northern areas of MN (Source: P. Glogoza & B. Potter, UMN, pers. comm.)
Maps detailing corn accumulated daily growing days, percent normal rainfall, departure from normal average air temperature, and accumulated wheat growing degree days.
The last ten days of May recorded significant rain for some parts of North Dakota, but certainly not for everyone.
Information from the Southwest region of North Dakota
Information from the South Central region of North Dakota.
Information from the Northeast region of North Dakota.
Information from the Northwest region of North Dakota.
Forest tent caterpillars (Malacosoma disstria) and Eastern tent caterpillars (Malacosoma americanum) are feeding on tree foliage this time of year.