Considerations for late season UAN applications Matt Ruark, Extension Soil Scientist When deciding to make any late-season, rescue application of nitrogen (N), you will need to evaluate your N management program relative to the potential for N losses. Heavy rainfalls … Continue reading

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Western Bean Cutworm Moth Flight Has Begun

Western Bean Cutworm Moth Flight Has Begun Eileen Cullen, Extension Entomologist The annual flight of western bean cutworm (WBC) moths began this past week.┬áThe first moths of the season were recorded June 23-29 in Adams, Calumet, Iowa, Marquette and Sauk … Continue reading

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Use caution if planting oilseed radish on highly erodible soil types

Use caution if planting oilseed radish on highly erodible soil types Heidi Johnson, Jefferson County UWEX Agriculture Agent, Jim Stute, Rock County UWEX Agriculture Agent Using oilseed radish as a cover crop after winter wheat has been steadily increasing in … Continue reading

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Brown Marmorated Stink Bug

Brown Marmorated Stink Bug Bryan Jensen, IPM Program The Brown Marmorated Stink Bug (BMSB), Halymorpha halys, is an invasive, exotic insect pest recently introduced into the United States (Pennsylvania, 2001), and even more recently in Wisconsin.┬áThe first detections of BMSB … Continue reading

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Biological Control Parasitoid Released for Emerald Ash Borer Does not Harm Honeybee Colonies

Biological Control Parasitoid Released for Emerald Ash Borer Does not Harm Honeybee Colonies Eileen Cullen, Extension Entomologist Entomolgists with University of Wisconsin-Madison and USDA APHIS have initiated a biological control program for Emerald Ash Borer. Like other classical biological control … Continue reading

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Western Bean Cutworm Egg Masses and Larval Hatch- Scout Field and Processing Sweet Corn Fields

Western Bean Cutworm Egg Masses and Larval Hatch- Scout Field and Processing Sweet Corn Fields Eileen Cullen, Extension Entomologist Careful field scouting in field corn and processing sweet corn for western bean cutworm egg masses and small larvae should begin … Continue reading

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Scout Soybean for Soybean Aphid

Scout Soybean for Soybean Aphid Eileen Cullen, Extension Entomologist Soybean aphids have been present on soybean at low levels (below the economic threshold of 250 aphids per plant) at various locations in the state for the last couple of weeks. … Continue reading

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Yield Response of Flattened (Lodged) Corn

Yield Response of Flattened (Lodged) Corn Joe Lauer, Corn Agronomist Last night, July 11, a storm rolled through southern Wisconsin and northern Illinois causing corn to flatten (lodge) in the field. Lodged corn can be seen in a 30-50 mile … Continue reading

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Purple corn in late June, should you be concerned?

Purple corn in late June, should you be concerned? Carrie Laboski, Extension Soil Fertility Specialist, Department of Soil Science, UW-Madison There are some corn fields in Western Wisconsin and perhaps elsewhere in the State that have the purple colorations associated … Continue reading

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Assessing the Potential for Nitrogen Loss from Heavy Rainfalls

Assessing the Potential for Nitrogen Loss from Heavy Rainfalls Carrie Laboski, Extension Soil Fertility Specialist, Department of Soil Science, UW-Madison Several inches of rainfall over the past week and a half have many growers and agronomists concerned about the potential … Continue reading

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