Crop & Pest Report
Crop & Pest Report
Crop Management Field School (5/17/12)
NDSU Extension Service’s annual crop management field school will be offered Thursday, June 21, from 9 a.m. to 4:30 p.m. at the Carrington Research Extension Center.
Scout for Flea Beetles in Canola (5/17/12)
Populations of crucifer and striped flea beetles have increased this week in canola near Langdon. Canola planted in April is emerged but still in the seedling stage.
Scout for Alfalfa Weevil (5/17/12)
By using degree days (DD) with a base of 48 F, the life stages and development of alfalfa weevil can be predicted using the degree day table.
Continue to Scout for Cereal Aphids (5/17/12)
New reports of very low populations of cereal aphids are being observed in cereals in southeastern North Dakota.
Leafhoppers - A Case of Confused Identities (5/17/12)
What we commonly refer to as Aster leafhoppers (which have been observed in wheat and barley this season) have over the years been confused under a number of different scientific names (each of which represents a separate species).
Not all Yellows are Created Equal (5/17/12)
(or, more correctly, not all yellows have an equal creation…) Leafhopper populations are increasing in the northern RRV. Fields which held low numbers on Friday have significantly increased populations this week.
Early Season Drought Stress Impacts Wheat and Corn Development (5/17/12)
In every region of North Dakota conditions have been nearly ideal for planting. The dry weather that has allowed field work, however, is starting to become a worrying and most growers are hoping for a nice rain to get things moving.
Dry Bean Production Issues (5/17/12)
The dry bean growers of the Northarvest Bean Growers Association were surveyed in 2010 and 2011 about varieties grown, pest problems, pesticide use, and grower practices.
Sunflower Date of Planting (5/17/12)
In the northern Great Plains, planting may extend from May 1 until late June. Last winter’s mild weather along with a dry spring has many sunflower producers interested in planting the crop earlier than normal.
Managing Rhizoctonia Solani in sugarbeet (5/17/12)
Rhizoctonia root rot is the worst production problem faced by sugarbeet growers in North Dakota and Minnesota. Rhizoctonia root rot has become more widespread and severe over the past decade with the increased use of soybean, edible beans, and corn in rotation with sugarbeet, along with wet field conditions.
NDSU Small Grain Disease Forecasting Site Activated (5/17/12)
The NDSU small grain disease forecasting site has been activated for the season.
NDSU 2011 Cereal Fungicide Results Available On-Line (5/17/12)
A compilation of the 2011 NDSU seed treatment and foliar fungicide results on cereals is available now on-line.
Watch for sulfur deficiency in small grains and other crops (5/17/12)
Sulfur deficiencies have been reported in increasing numbers in the last few years. The above-normal rainfall in 2010-2011 seasons leached sulfur out of many sandier soils.
No wheat rust found in ND yet (5/17/12)
Extension Plant Pathologists from Kansas and Nebraska continue to report the occurrence of stripe rust in their states, but have indicated in very recent reports that dry weather during the past week has slowed the development of this disease, and also pushed the maturity of their winter wheat crops ahead by 2-3 weeks from normal.
Pre weed control in spring 2012 - a retrospect to 2011 (5/17/12)
How did herbicides perform in the spring of 2011?……very well. Ample rainfall (too much in many regions) activated foundation/PRE herbicides and weed control was very good. Excellent soil moisture and lack of weed stress made POST herbicides work very well also.
Does burning stubble affect pre herbicides? (5/17/12)
The following is a question from a grower that might apply to many more growers in the state.
What are the three most important weed management goals today and into the future? (5/17/12)
All herbicides are controlling weeds less effectively than previously because of herbicide resistance. This includes the increase in multiple-resistance (resistance to 1 or more herbicide mechanisms (sites) of action). Therefore weed management practices/tactics and philosophies need to change now (this season) so as to reduce the buildup of herbicide-resistant weeds.
Weather and Crop Phenology Maps (5/17/12)
Maps detailing precipitation, temperature, and departure from normal corn and wheat accumulated growing degree days.
Cutworm Moths Flying - Scout Fields (5/10/12)
There have been many observations of cutworm moths (or miller moths) flying around lights of houses and farm sheds. Cutworms typically have one generation a year in North Dakota.
NDSU Crop & Pest Report - May 17, 2012
