Tag Archives: Jensen

Cancellation of Chlorpyrifos

Bryan Jensen, Dept. of Entomology and IPM Program Some of you have probably heard or seen popular press articles about the Ninth Circuit Court of Appeal’s order ruling that EPA must ban the active ingredient chlorpyrifos which is an active is … Continue reading

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Integrated Pest Management and Soybean Aphids

Bryan Jensen, Department of Entomology and Integrated Pest Management (IPM) Program It seems like soybean aphid populations have been creeping up and I understand a few fields have been sprayed.  When we get to this time of year economical soybean aphid … Continue reading

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Bt Trait Performance Concerns

Bryan Jensen, Department of Entomology and IPM Program Perhaps not all that surprising was a phone call I recently received regarding poor performance of the Herculex RW (CRY34/35ab1) trait. Although resistance has been documented in other states it was the first … Continue reading

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Soybean Insect Update

Bryan Jensen, Dept. of Entomology and IPM Program So far this summer, soybean insects have been relatively quiet. However, there have some reports of soybean aphids increasing. That may not be too surprising based on recent weather trends but hot … Continue reading

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Corn Rootworm Beetle Scouting

Bryan Jensen, Department of Entomology and IPM Program We are soon to be in that time period where female corn rootworm beetles will be laying the majority of their eggs. Scouting for adults during this time period can give us … Continue reading

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True Armyworms Continued

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program Just the name “armyworms” conjures up images of defoliated corn fields. Well, this summer they are living up to their names in isolated fields. To be sure, there has been a range … Continue reading

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Two-spotted Spider Mites

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program Some may think this article should fall in the category of “sleeping with the light on” but I am not so sure.  We’ve had some relatively hot dry weather lately and I … Continue reading

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True Armyworms

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program No worries just yet. More of a feeling than anything else.  Based on a few calls and emails, be on the lookout for armyworms.  The summer generation can be cryptic.  Corn is … Continue reading

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Gear Up: Western Bean Cutworm

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program It is that time of the year to start thinking, if not scouting for Western bean cutworm.  Degree days suggest the moth flight is underway, although not peaking, in southern Wisconsin.  Female … Continue reading

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It’s Time to Check for Corn Rootworm Damage

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program The next 2-3 weeks will be a good time to start spot-check continuous corn fields for corn rootworm feeding injury. Peak damage will usually occur by late July. Waiting longer increases the … Continue reading

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