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Turfgrass Weeds

 

What is #PoaDay?

 #PoaDay is an annual event hosted by members of the turfgrass and ornamental weed science team at the University of Tennessee. The goals of the event are to:
  
      • ​Make turfgrass managers aware of the emerging problem of herbicide resistance evolving in turfgrass weeds
      • Educate turfgrass managers about the different herbicidal modes of action available for annual bluegrass control
The event focuses on annual bluegrass control considering that there are more cases of herbicide resistance in annual bluegrass than any other weed species in managed turfgrass systems (Heap 2014).

Watch #PoaDay Online - March 28th, 2018 at 9am

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Thanks to generous support from Aqua-Aid, #PoaDay was broadcast on Facebook Live on March 28th, 2018.  To receive an alert when the broadcast begins, please select "Going" on the Facebook Event Page.  


Miss the Live Event? Watch the Entire Broadcast on Vimeo

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 Content Editor

 
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#PoaDay18 from AQUA-AID on Vimeo.​​
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What Was Featured at #PoaDay?

The following treatments were featured at #PoaDay in 2018

Treatments For Use in Dormant Bermudagrass (non-putting greens)

​​​Plot Number​​ ​Treatment Application Rate​  Application Timing​
​1 ​Non-treated check​ ​--- ​---
2 ​Barricade 37 oz/A ​Aug. 21, 2017
​3 ​Echelon ​2.25 pt/A ​​Aug. 21, 2017
​4 ​Specticle Flo ​10 fl oz/A ​​Aug. 21, 2017
​5 ​Specticle Flo fb. Princep + NIS ​6 fl oz/A fb. 1 qt/A + 0.25% v/v ​Aug. 21 fb Oct. 17, 2017
​6 ​Specticle Flo fb. Kerb ​6 fl oz/A fb. 3.64 pt/A ​​Aug. 21 fb Oct. 17, 2017
​7 ​Barricade fb. Revolver ​37 oz/A fb. 17.4 fl oz/A ​Aug. 21, 2017 fb March 14, 2018
8​ ​Kerb ​3.64 pt/A ​Oct. 17, 2017
​9 ​Specticle Flo ​10 fl oz/A ​Oct. 17, 2017
​10 ​Princep + NIS ​2 qt/A + 0.25% v/v ​Oct. 17, 2017
​11 ​FreeHand ​200 lb/A ​Oct. 17, 2017
​12 ​Revolver ​17.4 fl oz/A ​Oct. 17, 2017
​13 ​Monument + NIS ​0.53 oz/A + 0.25% v/v ​Oct. 17, 2017
​14 ​Katana + NIS ​3 oz/A + 0.25% v/v ​Oct. 17, 2017
​15 ​Tribute Total + MSO ​3.2 oz/A + 0.5% v/v ​Oct. 17, 2017
​16 ​Monument + Barricade + NIS ​0.53 oz/A + 24.6 oz/A + 0.25% v/v ​Oct. 17, 2017
​17 ​Monument + Barricade + Princep + NIS ​0.53 oz/A + 24.6 oz/A + 1 qt/A + 0.25% v/v Oct. 17, 2017​
18​ ​Sureguard + NIS fb. Barricade ​10 fl oz/A + 0.25% v/v fb 24.6 oz/A ​Oct. 17, 2017 fb Jan. 26, 2018
19​ ​Roundup Pro ​16 fl oz/A Jan. 26, 2018
​20 ​Roundup Pro ​32 fl oz/A ​Jan. 26, 2018
​21 ​Finale ​3 qt/A ​Jan. 26, 2018
​22 ​Finale ​6 qt/A ​Jan. 26, 2018
​23 ​Roundup Pro + Finale ​32 fl oz/A + 3 qt/A ​Jan. 26, 2018
​24 ​Roundup Pro + Finale ​32 fl oz/A + 6 qt/A ​Jan. 26, 2018
25​ ​Reward + Princep ​2 pt/A + 2 qt/A ​Jan. 26, 2018
​26 Sureguard + NIS​ 12 fl oz/A + 0.25% v/v​ ​Jan. 26, 2018
​27 ​PoaCure 0.4 gal/A​ ​Jan. 26, 2018
​28 ​Kerb ​3.64 pt/A ​March 14, 2018
​29 ​Revolver ​17.4 fl oz/A March 14, 2018
​30 ​Monument + NIS ​0.53 oz/A + 0.25% v/v ​March 14, 2018
​31 ​Katana + NIS ​3 oz/A + 0.25% v/v ​March 14, 2018
​32 ​Tribute Total + MSO ​3.2 oz/A + 0.5% v/v ​March 14, 2018
​33 ​Xonerate 2SC fb. Xonerate 2SC ​14.5 fl oz/A fb. 14.5 fl oz/A ​Feb. 26 fb. March 14, 2018
34​ ​Velocity + NIS fb. Velocity + NIS ​6 oz/A + 0.25% v/v fb. 6 oz/A + 0.25% v/v ​Feb. 26 fb. March 14, 2018
35​ ​PoaCure ​0.4 gal/A ​Feb. 26, 2018
36​ ​PoaCure ​0.4 gal/A March 14, 2018​
​37 ​Coastal + Metsulfuron + NIS ​69 fl oz/A + 0.5 oz/A + 0.25% v/v ​Oct. 17, 2017
38​ ​Coastal + Metsulfuron + NIS ​69 fl oz/A + 0.5 oz/A + 0.25% v/v ​Jan. 26, 2018​
​39 ​Katana + NIS ​2.5 oz/A + 0.25% v/v ​Oct. 18, 2017
​40 ​Katana + Kerb + NIS ​2.5 oz/A + 2.5 pt/A + 0.25% v/v ​Oct. 18, 2017
​41 ​Katana + Xonerate + NIS ​2.5 oz/A + 6 fl oz/A + 0.25% v/v ​Oct. 18, 2017​
​42 ​Katana + NIS ​2.5 oz/A + 0.25% v/v ​Jan. 26, 2018
​43 Katana + Xonerate + NIS​ ​2.5 oz/A + 6 fl oz/A + 0.25% v/v ​Jan. 26, 2018
​44 ​Katana + Finale + NIS ​2.5 oz/A + 3 qt/A + 0.25% v/v ​Jan. 26, 2018
​45 ​Katana + Kerb + NIS ​2.5 oz/A + 2.5 pt/A + 0.25% v/v ​Jan. 26, 2018
​46 ​Katana + NIS ​2.5 oz/A + 0.25% v/v ​March 14, 2018
​47 ​Katana + Xonerate + NIS ​2.5 oz/A + 6 fl oz/A + 0.25% v/v ​March 14, 2018
 

Treatments For Use in Bermudagrass Putting Greens

​​Plot Number ​Treatment ​Application Rate Application Date​
​1 ​Non-treated check ​--- ---​
​2 ​Kerb ​1.2 pt/A ​Feb. 13, 2018
​3 ​Revolver ​17.4 fl oz/A ​​Feb. 13, 2018
​4 ​Xonerate + NIS fb. Xonerate + NIS ​6 fl oz + 0.25% v/v fb. 6 fl oz + 0.25% v/v ​Feb. 13​ fb. Mar. 6, 2018
​5 ​Katana + NIS ​3 oz/A + 0.25% v/v ​Feb. 13, 2018​
​6 ​Xonerate + Katana + NIS ​6 fl oz/A + 3 fl oz/A + 0.25% v/v ​Feb. 13, 2018​
​7 ​Kerb + Katana + NIS ​1.2 pt/A + 3 fl oz/A + 0.25% v/v ​Feb. 13, 2018​
​8 ​PoaCure fb. PoaCure ​​0.2 gal/A fb. 0.2 gal/A ​​Feb. 13 fb. Mar. 6, 2018
  

Non-Chemical Control Options

​Plot Number ​Treatment ​Date
​1 ​Non-Frazed Mowed ​ ---
​2 ​Fraze Mowing at 0.5" Depth ​Oct. 11, 2017
  

 Key Meteorological Data from 2017-2018

Temp 1.jpgRain.jpg






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Join Out Mailing List UT Extension · Knoxville, TN 37996 · (865) 974-7114 UT Institute of Agriculture · Knoxville, TN 37996 · (865) 974-7324 The University of Tennessee · Knoxville, TN 37996 · (865) 974-1000 · Contact UT
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