Tag Archives: Jensen

Corn rootworm: How to validate your management decision

Mid to late July in Wisconsin is the time you can validate your corn rootworm management decisions by checking for root damage. This is the time period just after feeding damage would have occurred, and just before regrowth would start … Continue reading

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Japanese Beetles, Info for Corn and Soybean Producers

Bryan Jensen, UW Extension Recently, I have been noticing an increase in adult Japanese beetle activity on garden and other ornamentals. What does this mean for corn and soybean production? It is too early to tell but activity could be picking … Continue reading

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Clover Root Curculio

Dan Undersander, Damon Smith, Bryan Jensen UW Extension Clover root curculio damage is being observed is several parts of Wisconsin this year. It is an occasional insect pest on alfalfa, clovers and other legumes. Damage can be serious but usually is infrequent and … Continue reading

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Armyworm Heads Up

Bryan Jensen UW Extension It is about that time that we could be seeing problems from the summer generation of true armyworms. I bring this up because of the elevated number of corn fields which had significant feeding this spring … Continue reading

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Corn Rootworms

Bryan Jensen UW Extension The summer is going fast. July is here, rootworm larvae are feeding and adults will soon start emerging if they haven’t already. July is a great time to gain field information that will be essential for … Continue reading

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Cereal Leaf Beetle

Bryan Jensen, UW Extension Chris Allen just contacted me about some suspected cereal leaf beetle damage in wheat. I’ve talked to a few more people and they also mentioned similar damage. Damage, although mostly on the flag leaf, doesn’t appear to … Continue reading

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Pea Aphids in Alfalfa

Bryan Jensen UW Extension After looking at a few alfalfa fields on the Arlington Agricultural Research Station and talking with PJ Liesch, UW Entomology, it appears that some aphid species have been doing quite well this spring. Pea aphid populations … Continue reading

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Slugs

Bryan Jensen UW Extension I have been getting some calls and emails regarding slug damage in corn and soybean. With the way the weather has been going it was only a question of when, not if. Slugs are herbivorous and … Continue reading

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Jeff Polenske, International CCA of the Year!

Bryan Jensen UW Extension The American Society of Agronomy and the International Certified Crop Advisers Program have recently selected Jeff Polenske, Tilth Agronomy, as the 2015 ICCA of the Year. Jeff has over 27 years of Wisconsin crop advising experience … Continue reading

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Stalk Borer Management

Bryan Jensen UW Extension Depending on your location, stalk borer movement from grassy weeds to corn has, or will soon start. Although control with foliar insecticides is effective, timing is critical. Stalk borers overwinter as eggs laid on perennial grasses … Continue reading

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