Recent Updates

11 Dec 2023

2023 Tennessee Cotton Variety Trial Results now available

11 Dec 2023
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The 2023 Tennessee Cotton Variety Trial Results (PB 1742) are now available online.  Included within these results are thirteen large strip trials (CSTs) testing 13 XtendFlex commercial varieties, four large strip trials (CSTs) testing 6 Enlist commercial varieties, and eight small plot trials (OVTs) testing 44 experimental and commercial varieties.

Special thanks to all of the agents and producers who helped generate this data.  Additionally, thanks to the USDA Classing Office in Memphis for assisting with this effort.  If you have any questions on location response or variety placement, please do not hesitate to reach out directly to your county agent.

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20 Nov 2023

2023 Soybean OVT Prelim

20 Nov 2023
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Prelim results from the 2023 TN soybean OVT are now available as pdf (2023 Soybean Tables, 2023 Soybean Tables Appendix) and excel files (2023 Soybean Tables, 2023 Soybean Tables Appendix). Seventy-one varieties were evaluated in small plot replicated trials (REC) at 8 sites. In addition to yield, moisture, lodging, maturity, oil, and protein, data were collected on diseases, including frogeye and SDS, at locations where these diseases were present. The final CST data and disease trials are not in the prelim report but will be included in the final version to be posted here and on search.utcrops.com. Varieties that were in the A group in the OVT are listed below.

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17 Nov 2023

2023 County Standardized Trials-Soybean Data

17 Nov 2023
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This year’s soybean CST class consist of 61 varieties covering late 3’s to early 5’s maturity groups.  These trials are split by both maturity groups and herbicide tolerance, Late III, Early IV, Late IV, and Early V, and by Xtend and Enlist.  These trials were planted on-farm across the state in 63 county demonstration plots.

If you have questions about UT’s variety testing program, please contact your local county agent.

Thanks to all who contribute to these trials and your support to the program.

Click on the table below to enlarge data in pdf form.

Late III Xtend

Early IV Xtend

Late IV Xtend

Early V Xtend

Enlist

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06 Nov 2023

2023 County Standardized Trials-Corn

06 Nov 2023
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39 Corn Hybrids were evaluated in the 2023 CST program.  With the weather we had this summer, our yields are very strong with an overall average across all hybrids and locations over 210 bu/ac. With the many locations/replications in these trials, we can look at performance across many soil types and weather/climate conditions that you can use to help select high yielding, consistent hybrids to bring to your farm.  Contact your local county agent for more details or if you need a print out of this data.

These CST plots are large strip trials located ‘on-farm’ with a minimum of 300 feet in length.  Inputs and management decisions are on a by location basis and determined by the cooperating producers.  Three relative maturity groups divide the trials, Early Corn will be 113 day and earlier, Medium Corn will be 114-116 day, and Full Corn is 117 day plus.  Thank you to everyone involved in the CST program for your support and contributions: County Agents, UT Extension/Research, Growers, Industry, Retail.

Below are the results for our 3 RM groups.  Click on the table to open a PDF of these tables.  These results can also be accessed on https://search.utcrops.com/

Early Corn <114 day

Medium Corn 114-116 day

Full Corn >116 day

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27 Oct 2023

2023 Corn Grain OVT Prelim

27 Oct 2023
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Prelim results from the 2023 TN corn grain hybrid OVT are now available as an excel file 2023 Corn Grain Tables. Thirty-three hybrids were evaluated in small plot replicated trials (REC) at 9 sites. The CST trial data is still being finalized but should be posted within the next week and will be included in the final combined report to be posted here and on search.utcrops.com.

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25 Oct 2023

Boll opening before a Halloween freeze

25 Oct 2023
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While we’ve been steadily moving through harvesting our trials, I’ve been paying close attention to the night temperatures forecast for the three day stretch centered on Halloween.  Fortunately, there are only a few acres left that might require any more boll opener; I cannot recall a more productive year harvested in such a short timeframe.  Still, for those trying to prepare their latest planted acres for the picker, the time to make that final application of boll opener is NOW.   In this article, I briefly cover rates and products I would consider for applications going out today (10/25) or tomorrow (10/26).

Continue reading →

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17 Oct 2023

Multiple-Herbicide Resistant Waterhemp in Tennessee

17 Oct 2023
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Waterhemp that escaped multiple applications of Engenia + Glyphosate

Last year we reported on waterhemp in Montgomery and Macon counties that was resistant to dicamba.  We came to this conclusion from both research we conducted in the fields and the confirmation of those results by greenhouse research. The greenhouse research was conducted at Purdue University by my colleague Dr. Bill Johnson and his graduate student Claudia Bland. Continue reading →

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