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FROM AROUND THE STATE


ISSUE 10   July 5, 2001

 

North-Central ND

Crop conditions in the north central region improved again this week and almost couldn't get any better. Finally some warm, dry weather to help the sunflowers, soybeans, and dry beans to get growing. The area finally has begun to dry out this past week. The northwest part of the state is also looking good, however some areas north and east of Williston received up to 5 inches of rain last week.

The big question of the week in the north central region has been, "should I spray my canola with Ronilan". There has been a lot of interest in spraying Ronilan for the control of sclerotinia on canola. The week of June 23 to June 30 there was a moderate risk of infection and many acres were sprayed. As for the week of July 1 - 7, conditions have changed to a slight risk. The dry, windy conditions have the canola canopy dry by early morning, which should reduce the threat of the disease and most growers are now leaning towards not having to spray; that's great news!!! Questions on spraying the early wheat for scab are coming in and conditions are on the dry side which should help reduce the risk of the scab significantly.

Kent McKay
Area Extension Agronomist
North Central Research/Extension Center

 

South-Central ND

During the past week (June 26 to July 2), minimal rainfall (0-0.22 inch) was recorded at NDAWN sites in south-central North Dakota. The relatively dry weather was welcome in the region to allow hay harvest, row crop cultivation, and pesticide application. Cool-season crops continue to be in good to excellent condition. Early-planted barley and wheat are near or at the heading stage. Canola and flax are flowering. Warm air temperatures combined with abundant moisture continue to allow accelerated growth of all crops including corn, beans, and sunflower.

Fungicide application for control of leafspot diseases and scab in wheat and barley, and control of white mold in canola are strategies growers are using or considering. According to the NDSU small grain disease forecasting model, conditions favorable for tan spot infection in heading wheat were present 10 of 12 days during June 21 to July 2 at Carrington. Fusarium head blight spore trapping at Carrington is currently indicating low amounts of scab spores. As of July 2, the ND canola sclerotinia risk forecast map indicates the area roughly west of Highway 281 in south-central ND is at moderate risk of sclerotinia infection.

Orange wheat blossom midge should be emerging throughout the region. Trap counts at the Carrington Research Extension Center for diamond back and Bertha armyworm moths remain low. Blister beetles are being found in canola trials at the Carrington Center. Thistle caterpillar feeding on soybean has been reported (Barnes County). Growers should continue monitoring for sunflower beetle presence and feeding injury in sunflower.

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

gendres@ndsuext.nodak.edu


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