Category Archives: Insects

Pest Management and Cover Crops

Author: Scott Stewart, IPM Extension Specialist 2 Comments

There is growing discussion and interest in the use of cover crops, mostly commonly in soybean but also in corn and cotton. Some of the benefits seem pretty intuitive and include improved control of erosion and the buildup of organic matter. Another obvious benefit is NRCS programs which pay growers to plant specified cover crops. Dr. Larry Steckel and his students have also shown benefits of cover crops in reducing the emergence of Palmer pigweed and some other weeds. However, having said all that, there are some concerns and unknowns about how cover crops might affect populations of soil and seedling pests. Continue reading

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Sugarcane Aphid Tolerant Sorghum Hybrids

Author: Scott Stewart, IPM Extension Specialist Comments Off on Sugarcane Aphid Tolerant Sorghum Hybrids

Although it appears grain sorghum acres will be quite low in Tennessee during 2017, a list of sorghum hybrids with tolerance to sugarcane aphid have been developed. You can access this list on the United Sorghum Checkoff Program website at the link below.
http://www.sorghumcheckoff.com/farmer-resources/grain-production/hybrid-selection Continue reading

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Insecticide Seed Treatment Choices in Cotton

Author: Scott Stewart, IPM Extension Specialist Comments Off on Insecticide Seed Treatment Choices in Cotton

As almost everyone knows, there are concerns about the consistency of neonicotinoid seed treatments in cotton because of resistance in populations of tobacco thrips. Also, label restrictions prevent tank mixing any insecticides with dicamba on XtendFlex cotton. Thus, those planning on growing dicamba tolerant varieties and spraying Engenia or XtendiMax (dicamba) will be especially concerned with at-planting thrips treatments that reduce the chances of needing a foliar application. Continue reading

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Tennessee Grain & Soybean Producers Conference

Author: Scott Stewart, IPM Extension Specialist Comments Off on Tennessee Grain & Soybean Producers Conference

The 2017 Tennessee Grain & Soybean Producers Conference is being held at the Dyer County Fairgrounds in Dyersburg, TN on Thursday, February 2nd.  On-site registration begins at 7:45. The programs ends after lunch following the Keynote Address by Harrison M. Pittman, Director, National Agricultural Law Center (University of Arkansas System Division of Agriculture) on “Ag Law Update: Recent & Emerging Issues for the Ag Industry”.   Preliminary Agenda (updated)

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Focus on Cotton Webcast – Managing Bollworms in Bt Cotton

Author: Scott Stewart, IPM Extension Specialist Comments Off on Focus on Cotton Webcast – Managing Bollworms in Bt Cotton

A new Focus on Cotton webcast titled “Changing Bt Technologies and Bollworm Management in Bt Cotton” helps cotton growers, consultants, and other industry experts monitor the potential impact of bollworm populations and determine when additional treatments may be advantageous. This 53-minute talk by David Kerns, Associate Professor at Louisiana State University Continue reading

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2017 Insect Control Recommendations for Field Crops

Author: Scott Stewart, IPM Extension Specialist Comments Off on 2017 Insect Control Recommendations for Field Crops

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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