All posts by Tyson Raper, Cotton & Small Grains Specialist

REMINDER: Cotton Tour TOMORROW, Wednesday Sept. 4th

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The West Tennessee Research and Education Center (WTREC) would like to cordially invite you to the 2019 University of Tennessee Cotton Tour.  This event is scheduled for Wednesday, Sept. 4th at the WTREC (605 Airways Blvd., Jackson, TN 38301).  Registration will begin at 8:00 a.m. with the tour departing at 8:30.  The tour will end at noon with lunch. University of Tennessee Extension and Research personnel from across the state will be presenting on a wide range of topics including: fungicides and target spot, weed and resistance management, variety testing, defoliation, insect control, and drought mitigation, just to mention a few.  Pesticide Re-certification and CCA points will be available.


2019 University of Tennessee Cotton Tour, Wednesday, Sept. 4th

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The West Tennessee Research and Education Center (WTREC) would like to cordially invite you to the 2019 University of Tennessee Cotton Tour.  This event is scheduled for Wednesday, Sept. 4th at the WTREC (605 Airways Blvd., Jackson, TN 38301).  Registration will begin at 8:00 a.m. with the tour departing at 8:30.  The tour will end at noon with lunch. University of Tennessee Extension and Research personnel from across the state will be presenting on a wide range of topics including: fungicides and target spot, weed and resistance management, variety testing, defoliation, insect control, and drought mitigation, just to mention a few.  Pesticide Re-certification and CCA points will be available. Continue reading


Estimating lint yield from boll counts

I’ve resisted writing this post for 5 years because I think estimating lint yield from boll counts only provides enough insight to differentiate between poor, decent and good cotton.  Still, I understand the temptation to count one’s chickens before they hatch.  In this blog, I highlight a few issues with estimates and define the number of bolls required to produce one and two bales at various row spacings and patterns. Continue reading


‘Impacts of the Trade War on the U.S. Cotton Sector’ by Dr. Andrew Muhammad and Dr. Aaron Smith

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Dr. Andrew Muhammad and Dr. Aaron Smith published an Extension article earlier this week entitled “Impacts of the Trade War on the U.S. Cotton Sector.”  I found the article to be extremely informative and while we typically focus on production issues, felt it was appropriate to share here.  You can access the publication by clicking the image or  following this hyperlink: https://extension.tennessee.edu/publications/Documents/W835.pdf

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Sulfur deficiencies in cotton

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Over the past month, I’ve received several images of sulfur deficiencies in cotton.  While we are quickly approaching a point in which a sulfur fertilizer application will be unable to impact yield in 2019, understanding what a sulfur deficiency looks like may help identify areas which will likely respond to the nutrient during the 2020 season.  This blog covers the characteristics of a sulfur deficiency, presents atmospheric deposition data, and highlights current UT recommendations for the nutrient in cotton production. Continue reading


Managing growth after Hurricane Barry

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The calendar says late July, but the chill on the wind this morning made it seem like we had to be deep enough into the football schedule for a solid SEC football match-up on Saturday.  This blog covers a few points concerning cotton growth under mid-season daytime and nighttime temperatures between 85 and 65 following excessive rainfall. Continue reading