Category Archives: Insects

2017 Insect Control Recommendations for Field Crops

Author: Scott Stewart, IPM Extension Specialist No Comments

pb1768The University of Tennessee’s 2017 Insect Control Recommendations for Cotton, Soybean, Corn, Sorghum, Wheat and Pastures (PB 1768) is now available online.  Once available, hard copies will be distributed at Cotton Focus, grain conferences, and other crop production meetings.

Some features you may have overlooked in the back of the book include:

  • Listing of insecticide classes (mode of action) and registration numbers
  • A list of common “generic” trade names for various insecticides
  • Tables ranking the relative efficacy of insecticides on common pests
  • Tips to minimize pesticide effects on pollinators
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Preliminary UT Cotton Variety Strip Trial Data Now Available

Author: Tyson Raper, Cotton & Small Grains Specialist Comments Off on Preliminary UT Cotton Variety Strip Trial Data Now Available

By Tyson Raper and Ryan Blair

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The University of Tennessee Cotton Agronomy Program provides an unbiased evaluation of experimental and commercial varieties available for production in Tennessee each year. The 2016 program consisted of Continue reading

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Do you have aphids in your wheat?

Author: Scott Stewart, IPM Extension Specialist Comments Off on Do you have aphids in your wheat?

EnglishG-aphids1-webIf you managed to get a good stand of wheat, make sure you scout closely for aphids. There’s a good bet we will have more aphids than usual this fall because of the warm weather. It you are managing for high yielding wheat, then protecting wheat from transmission of barley yellow dwarf virus (BYD) is important.  Below are a couple of points to consider. Continue reading

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Wrapping up harvest aid applications in 2016

Author: Tyson Raper, Cotton & Small Grains Specialist Comments Off on Wrapping up harvest aid applications in 2016

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We have been blessed with another great harvest season and it appears we may be able to finish harvest with little rain.  Here on the 5th day of Oct, I would guess the average cotton acre within the state has already received the first application of harvest aids and is very close to seeing a picker.  Even so, several acres have not been defoliated.  This has led many to call with concerns about the cooler temperatures in the forecast over the weekend and several have asked if it is simply time to defoliate based on calendar date.   Continue reading

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Insect Considerations When Planting Wheat

Author: Scott Stewart, IPM Extension Specialist Comments Off on Insect Considerations When Planting Wheat

As people start considering planting wheat, there are a few things to keep in mind that will save you some unnecessary insect problems. Below are a few bullet points for your consideration. Continue reading

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Mitigating Insect Management Effects on Pollinators (Recorded Presentation)

Author: Scott Stewart, IPM Extension Specialist Comments Off on Mitigating Insect Management Effects on Pollinators (Recorded Presentation)

bees-sorghum-17The Plant Management Network has released another online presentation in their “Focus on Cotton” series. This new 10 minute video offers suggestions on the steps that growers, pesticide applicators, and beekeepers can take to reduce any negative effects of pesticide applications on honey bees and other pollinators. Link below to watch this presentation narrated by yours truly.

http://www.plantmanagementnetwork.org/edcenter/seminars/cotton/Pollinators/

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2016 Mid-South Cotton Defoliation Guide

Author: Tyson Raper, Cotton & Small Grains Specialist Comments Off on 2016 Mid-South Cotton Defoliation Guide

defolguideTennessee’s 2016 cotton crop is rapidly maturing and many of our acres will receive the first shot of defoliant in the next week.  There are many factors to consider in determining timing, products and rates.   In an effort to outline these decisions and provide harvest aid recommendations for the Mid-South, the 2016 Mid-South Cotton Defoliation Guide has just been updated and is now available online.   To access the guide, click the image above or the included link.  Please keep in mind that this was compiled as a regional guide and should be used in conjunction with your previous experiences. Continue reading

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Insect Observations

Author: Scott Stewart, IPM Extension Specialist Comments Off on Insect Observations

Below are a few comments/observations for your consideration are we near the end of the growing season.

Corn – We’ve generally observed more corn borers in non-Bt corn this year. They had a comeback following a relatively mild winter. It might be a good idea to Continue reading

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