ISSUE 7   June 25, 2009

South-Central ND

During the past two weeks (June 10-23), the region received 0.1 to 5 inches of rain, according to NDAWN weather stations, while reports of up to a foot of rain were received from the Bismarck area. Growing degree day units for corn planted May 1 through June 23 range from 455 to 580 units, which are -70 to -170 units behind for the period compared to the long-term average. Early-planted corn is in the 5- to 6-leaf stage. Some corn in southern counties is near ‘knee high’ and much of the corn will be at this height by July 4. Winter wheat is flowering and fungicide application for control of leafspot disease and scab is recommended. Leaf rust was found on a susceptible variety of winter wheat near Ellendale on June 23. Small grain planted during the first week in May is in the jointing stage. Cool-season crops generally appear excellent. Soybean and dry bean planted during the third week of May are in the 1- to 2-trifoliate stages. Alfalfa and grass hay cutting is in progress. Corn side-dressing with nitrogen also is occurring. Small grain aphids have been detected in the region.

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

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