ISSUE 13    July 28, 2005

South-Central ND

During July 1-25, the south-central regionís rainfall ranged from 0.6 inches at Carrington to 4.0 inches at Linton as recorded at NDAWN (North Dakota Agricultural Weather Network) sites. Rainfall during the past week ranged from 1 to over 3 inches south of I94. The rain was timely to maintain yield potential of corn, soybean, dry bean and sunflower but not for small grain harvest. Variable hail damage occurred to crops during the past week in counties including Burleigh and Dickey.

Winter wheat, field pea and barley harvest is in progress. Preliminary reports indicate average to below_average yield. Barley quality reports generally indicate reduced percent of plump kernels, high protein, and too high vomitoxin levels for malt quality. Foliar disease (including tan spot, Septoria, leaf rust, bacterial stripe) and scab are prominent threats to our spring wheat yield and quality. The regionís corn is in the tasseling to silking stages. During the period of May 1 to July 25 at Carrington, corn growing degree day units total 1175, which is about 230 units ahead the same period in 2004. Soybean are in the full-flower (R2) to pod-formation (R3) stages. Sunflower are beginning to blossom.

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


Northeast ND

Rainfall has been light in the region this past week with amounts of up to Ĺ inch received in some locations. Barley is being swathed and a few acres have been harvested and some winter wheat has been harvested. Fusarium head blight (scab) is now quite evident in the region in the spring wheat, with sensitive varieties having levels exceeding 40 percent. The predominant variety Alsen has levels generally in the 5 percent range or less. Other varieties generally exceed 10 percent. I inspected two durum fields in Benson county July 26 and counted scab levels of 80 and 65 percent. General flood damage will reduce yields in the region. Growers are finding more damage than earlier expected. Flax growth is good with few problems reported. Canola is just starting to show white mold symptoms in earliest fields with many fields still in the bloom stage in latest planted fields. Canola yields expectations are for average yields in the region as crop growth appears to have been negatively affected by strong winds and saturated soils. Corn development is excellent with many fields silking. Soybean and drybean growth is also improving with dryer soils and warm weather and most fields are podding. Soybean aphid levels are low in the region with only scattered detections. The sunflower crop looks excellent with earliest fields blooming. Sunflower bloom will be general in the region next week.

Terry Gregoire
Area Extension Specialist
Devils Lake Office

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