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Category Archives: Weeds

19
Jul
2014
Proper Nozzle Selection for Pesticide Applications
Author: Shawn Butler, Graduate Research Assistant No Comments

As we get further into the year, bugs begin to enter our fields, disease onset starts to occur, and weeds continue to flourish, our chances of making tank-mixed applications increase. This ultimately makes spray nozzle selection more challenging as most products require different droplet sizes.  Continue reading

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15
Jul
2014
2014 Growing Degree Days as of July 12
Author: Tyson Raper, Cotton & Small Grains Specialist Comments Off

2014bloomBlooms are beginning to become easier to find in West TN cotton fields. It appears first bloom (the period in which 50% of plants have begun flowering) has arrived roughly 7-14 days behind schedule. Our plots here and around Jackson have definitely jumped in the past few days with warmer temperatures and moderately clear skies. Still, the 7 day forecast looks more like May. With that in mind, I’ve collected and graphed the growing degree days (no cut-off temp, base 60) in Jackson, TN for the past 14 years. Continue reading

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14
Jul
2014
Reminder: Milan No-till Field Day This Thursday
Author: Scott Stewart, IPM Extension Specialist Comments Off

Without a doubt, the Milan No-Till Crop Production Field Day is one of the most far-ranging agricultural field days in the nation. The event is a junction for producers with varied farming interests. Tours will cover topics as diverse as row crop sustainability, beef cattle production, natural resource management, unmanned aerial systems and even the compatibility of honeybees and agriculture. Registration is free and begins at 6 a.m. CDT, with the first tours leaving at 7 a.m. A total of 16 tours are on the agenda. Continue reading

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10
Jul
2014
Reminder: Soybean Scout Schools
Author: Scott Stewart, IPM Extension Specialist 3 Comments

UT’s annual Soybean Scout Schools are set for the dates and times below.  These field-side programs last 2-2.5 hours and address general crop management including plant development and management of weed, disease and insect pests. As always, scouting supplies and sweep nets are Continue reading

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01
Jul
2014
Soybean Rescue Treatments for Palmer Amaranth
Author: Larry Steckel, Extension Weed Specialist Comments Off

Unfortunately, due to the weather some soybean fields ran out of residual some time back and post applications have not been able to be applied timely.  The question is how we proceed from here? Continue reading

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01
Jul
2014
Palmer Amaranth Hooded and Post-Direct Applications
Author: Larry Steckel, Extension Weed Specialist 3 Comments

One of the more common phone call of the last 5 days have been questions on hooded and post direct applications in cotton. The answer to these questions really depends on the size of the Palmer. Continue reading

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19
Jun
2014
Confusing marestail with burnweed?
Author: Garret Montgomery 2 Comments
IMG_0400

(Left: burnweed) (Right: marestail)

With calls coming in about weed identification, one weed has been particularly popular this year. Burnweed is an erect summer annual plant that can be found throughout the Midwestern and Eastern parts of the United States. Many folks mistake burnweed for horseweed and indeed from the road it does look like horseweed. Continue reading

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19
Jun
2014
Double Crop Burndown Strategy
Author: Larry Steckel, Extension Weed Specialist 2 Comments

Wheat harvest is in full gear and yield reports have been very good. This of course has led to a number of questions on double crop burndown strategy. Continue reading

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18
Jun
2014
Weed Tour – Wednesday June 25
Author: Larry Steckel, Extension Weed Specialist 2 Comments

Dear Colleagues

The University of Tennessee Weed Tour will be held next Wednesday, June 25 at the West Tennessee Research & Education Center in Jackson, TN (605 Airways Blvd).  Registration will start at 8:30 A.M. and the tour will begin at 9:00 A.M.. Continue reading

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10
Jun
2014
Water, Water Everywhere – Late Palmer Amaranth Managment Strategies in Soybean and Cotton
Author: Larry Steckel, Extension Weed Specialist 2 Comments

This is shaping up to be the “Year of the Pigweed”.  That is how one consultant described our situation which, unfortunately, for many fields is right on the mark. Frequent flooding and hard rains last week followed by more of the same this week make it impossible to spray Palmer amaranth as timely as needed.  Continue reading

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05
Jun
2014
Liberty Time of Day Application Managment
Author: Larry Steckel, Extension Weed Specialist Comments Off

There will be quite a bit of Liberty being sprayed over the next couple weeks.  This is just a quick reminder that the time of day that Liberty is applied has large determination on the success or failure of that application. Continue reading

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04
Jun
2014
Cotton Injury From Post-Applied Dual Magnum and Warrant
Author: Larry Steckel, Extension Weed Specialist 1 Comment

A lot of reports of cotton injury from post applied Dual Mag or Warrant over the past several days.  This is not unusual as we have this issues to some degree every year. Continue reading

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