Tag Archives: Jensen

True Armyworm

Bryan Jensen UW Extension Survey staff for DATCP’s Wisconsin Pest Bulletin have reported significant flights of true armyworm adults in several Wisconsin locations. What should we be doing? First let’s review some basic information. True armyworm is the approved common … Continue reading

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Troubleshooting Early Season Corn insect Damage 101: What to look for.

Bryan Jensen UW Extension Troubleshooting early season corn insect damage can be difficult. There are several potential insect pests and some cause similar symptoms. Also, there is the possibility that if environmental and field conditions match up, new or unexpected … Continue reading

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Alfalfa Weevil Update

Bryan Jensen UW Extension I have been getting some questions regarding alfalfa weevil damage. First the good news. Harvest is well underway in southern Wisconsin and this is practice usually kills weevil larvae. The bad news is that it usually … Continue reading

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Diagnosing Early Season Below Ground Insect Damage

Bryan Jensen- IPM Program A lot of corn and soybeans has been planted over the past few weeks and emergence has begun. Now, and over the next few weeks, is a good time to evaluate these stand for emergence problems … Continue reading

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Alfalfa Weevils

Bryan Jensen UW Extension It is time (or soon will be!) to start scouting for alfalfa weevil damage in established alfalfa stands. We suggest spot-checking for early signs of damage when 300 weevil degrees have accumulated. This degree day map … Continue reading

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Using Fungicides on Alfalfa for Dairy Production in Wisconsin

Damon Smith, Assistant Professor and Extension Field Crops Plant Pathologist, UW-Madison; Scott Chapman, Researcher, Departments of Plant Pathology and Entomology, UW-Madison; Bryan Jensen, Outreach Program Manager, Integrated Pest Management Program, UW-Madison; Greg Blonde, Agricultural Agent, UW-Extension, UW-Madison; Bill Halfman, Agricultural … Continue reading

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Black Cutworms in WI Corn

Bryan Jensen, UW Extension Several states to our south have reported relatively high catches of black cutworm moths in their trapping networks. To date, DATCP’s WI Pest Bulletin has not reported high catches. However, recent low nighttime temperatures may (or … Continue reading

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Mark Weihing is the 2015 Wisconsin CCA of the Year!

Bryan Jensen The Wisconsin CCA Board would like to congratulate Mark Weihing as the 2015 Wisconsin CCA of the Year! Mark’s crop advising experience totals more than 34 years and included positions as a Dairy Farm Manager, Farm Supply Manager, … Continue reading

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Updated Handy Bt Trait Table

Bryan Jensen Dr. Chris DiFonzo, Field Crop Entomologist from Michigan State University, has updated her Handy Bt Trait Table. I’m sure most of you will find keeping track of Bt traits and their spectrum of control to be confusing at … Continue reading

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Managing Corn Rootworm in 2015

Bryan Jensen, UW Extension and IPM Program You are probably aware that Bt CRW hybrid field performance issues are occurring. Several states in the Midwest, including Wisconsin, have experienced control problems for several of the Bt proteins. Although my impression … Continue reading

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