ISSUE 5   June 11, 2009

South-Central ND

During the past week (June 3-9), the region received 0.3 to 0.9 inches of rain, according to NDAWN weather stations. Western counties (e.g. Burleigh and Sheridan) received snow on June 6. Growing degree day units for corn planted May 1 range from 250 to 350 units, putting corn 1 to 2.5 weeks behind in development compared to the long-term average. Harvest continues on a few 08 corn fields. Crop planting will essentially be complete by June 15, with the exception of annual forages and cover crops. Alfalfa is in the bud stage and some fields are cut in the south-east. Winter wheat is in the flag leaf stage or beyond. Small grain and corn planted during the first week in May are in the 4- to 5-leaf and 2-leaf stages, respectively. The cool weather is excellent for small grain yield potential while corn development and green color is lacking. Soybean and dry bean planted during the third week of May are in the unifoliate stage. Farmers continue applying herbicides and fungicides in small grain seeded the first-half of May. Bean ground rolling continues to be a common field activity. POST weed control in corn and late-season fungicide application in winter wheat should soon be starting.

Greg Endres
Area Extension Specialist/Cropping Systems
NDSU Carrington Research Extension Center


Southwest ND

Precipitation this past week ranged from 1.09 inches at Hettinger to 1.62 inches at Beach (NDAWN data). Some Beach producers reported up to 2 inches of precipitation. Most of this precipitation fell during the weekend and Tuesday, and included two to three inches of snow. Temperatures dipped to or near freezing briefly on Saturday morning but apparently it was not cold enough to cause damage to crops, though some patchy frost was reported. Since May 1, accumulated growing degree days are 238 degree days behind normal for wheat and 73 growing degree days behind normal for corn. Since May 15, accumulated growing degree days for sunflower are behind normal by 95.

Crop development has slowed due to cool weather with winter wheat jointing and May 7 planting of spring wheat at the 4th leaf-stage. Sunflowers and corn are slow to emerge. Corn that has emerged is yellowed due to cold temperatures. Producers are waiting for soils to dry to finish seeding sunflower. Pasture and alfalfa are green and growing. If conditions improve, alfalfa harvest will likely begin in about a week near Center.

This past week Andrea Bowman, Bowman County Extension Agent and Julie Kramlich, Adams County Extension Agent reported high black grass bug numbers. Every year we see a few black grass bugs but fortunately, large numbers of this pest are required to cause plant death. A few producers as well as personnel at the Hettinger Research Extension Center reported they had sprayed the edge of fields or plots for this pest. See the article by Jan Knodel, NDSU Extension Entomologist on this topic which appears in this issue of the Crop and Pest Report. A few aphids have been found in alfalfa but are not of any economic consequence currently.

David Twist, Dunn County Extension agent reported a new NDAWN site was installed at Dunn Center last month. The site has not been added to the NDAWN web page at this time. Producers and others interested in getting an up-to-the-minute report on current weather conditions in the Dunn Center area can call 548- 4678 Prior to hanging up please press star (*).

Roger Ashley
Area Extension Specialist - Dickinson REC

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