Japanese Beetle – Scouting and Thresholds for Soybean and Corn

Japanese Beetle – Scouting and Thresholds for Soybean and Corn Eileen Cullen, Extension Entomologist Questions have come in this week concerning Japanese beetle on soybean and corn. There is one generation of Japanese beetle per year and we typically see … Continue reading

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Soybeans appearing ‘puckered’ or ‘crinkled’ following high temperatures

Soybeans appearing ‘puckered’ or ‘crinkled’ following high temperatures  Vince M. Davis, Cropping Systems Weed Scientist and Extension Specialist Temperatures across Wisconsin were in the 90’s and upper 90’s much of last week. Some areas were also in need of rain … Continue reading

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Diagnosing nutrient deficiencies in vegetable crops

Diagnosing nutrient deficiencies in vegetable crops Matt Ruark, Extension Soil Scientist Diagnosing nutrient deficiency symptoms in vegetables can be a challenge. They may be crops or plants with which we have little experience working with or the symptoms may not … Continue reading

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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. The 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. The 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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