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Here is a request from a Va Tech graduate student...

Do you have resistant populations of annual bluegrass (Poa annua)? 


My name is John Brewer, and I am a Ph.D. student working under Dr. Shawn Askew at Virginia Tech. I am characterizing herbicide-resistant annual bluegrass and need a collection of different herbicide resistant annual bluegrass populations across Virginia. Specifically, I want to collect annual bluegrass populations that are resistant to glyphosate (Roundup) and/or ALS-inhibitors which include herbicides with foramsulfuron, trifloxysulfuron, flazasulfuron, or rimsulfuron (Revolver, Monument, Katana, Negate, etc.). If you are a professional turf manager that has recently (past couple months) sprayed for annual bluegrass and see surviving plants, please contact me directly before removing them to discuss collecting samples. Even though we are specifically asking for glyphosate and ALS-resistant populations, we would also be interested in populations that might be resistant to other herbicides like amicarbazone (Xonerate), ethofumesate (Prograss), or bispyribac (Velocity).
 
Contact info: John Brewer

Email: jbrew10@vt.edu
Phone #: (931) 309-1682

 

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