Tag Archives: Smith

Alfalfa Mosaic Virus on Soybean in Wisconsin

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Calls, photos, and plant samples have been coming in over the last week (8/1/2014) pertaining to soybeans exhibiting abnormal growth and varying degrees of leaf mosaic (interwoven … Continue reading

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Wisconsin Soybean Phytophthora Root Rot Survey Update

Damon Smith, Extension Field Crops Plant Pathologist Anette Phibbs, Plant Pathologist with the Wisconsin Department of Agriculture and Consumer Protection, reports that the 2014 survey of early vegetative soybeans shows high levels of Phytophthora root rot disease caused by Phytophthora … Continue reading

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Cercospora Leaf Blight and Purple Seed Stain of Soybean

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin Over the last several weeks, soybean samples have been coming into the Plant Disease Diagnostic Lab with symptoms of Cercospora leaf blight (CLB).  I have also received numerous questions about … Continue reading

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Tasseling Corn – Scout Now for Foliar Diseases and What About Fungicide

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin I have been riding through much of the southern tier of Wisconsin this week and am noticing quite a few corn fields that are beginning to tassel. This growth stage … Continue reading

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Fusarium Head Blight and Other Winter Wheat Diseases in Wisconsin, 2014

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Shawn P. Conley, Extension Soybean and Small Grains Agronomist, University of Wisconsin-Madison Winter wheat in most of Wisconsin is maturing nicely and starting to dry down in the southern portions … Continue reading

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Managing White Mold in Soybean

Damon Smith, Extension Field Crops Pathologist, University of Wisconsin Farmers in the Great Lakes area of the U.S. may be concerned about white mold (also called Sclerotinia stem rot) in soybean this year. The disease, caused by the fungus Sclerotinia … Continue reading

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Foliar applied fungicides for control of alfalfa diseases

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin Scott Chapman, Research Associate, University of Wisconsin Bryan Jensen, IPM Program, University of Wisconsin An evaluation of foliar applied fungicides for control of diseases of alfalfa was implemented in Wisconsin … Continue reading

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Wisconsin Winter Wheat Disease Update – June 24, 2014

Damon L. Smith – Extension Field Crops Pathologist, University of Wisconsin I have spent the last several days rating winter wheat variety trials and fungicide trials at the Arlington Agricultural Research Station in Arlington, Wisconsin, Columbia Co.  Wheat in this … Continue reading

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Wisconsin Soybean Disease Update – June 19

Damon L. Smith – Extension Field Crops Pathologist, University of Wisconsin Soybean planting has finally finished up for our research program. We planted our last, late planting date trial this week. Soybeans around the state have emerged and are at … Continue reading

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Wisconsin winter wheat disease update for June 19

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin I have scouted winter wheat fields and variety trials from Arlington Wisconsin up through Chilton Wisconsin this week, between rain showers. Wheat in these areas is nearly finished flowering. The … Continue reading

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