 





   


  


      


 





   





   


 


      





  


              


   


    


  


  


Tall fescue cultivar choice did not affect species composition in 2012 and the effect in 2013 and 2014 was small relative to the effect of Kentucky bluegrass on species composition in 2013 and 2014 (Table 1). Tall fescue populations were no more than 10 percent greater in Falcon V, Mustang 4 and Justice TF mixes compared to Greenkeeper TF mixes.


Turfgrass Quality


Not surprisingly, wear reduced turfgrass quality at the end of autumn-wear periods. Tall fescue and KBG influenced turfgrass quality as main effects at the end of the first autumn-wear period in October 2011. In subsequent years these species factors interacted to influence turfgrass quality at the end of the wear periods (November 2012 and October 2013); thus TF and KBG cultivar choice became more important as the study progressed in both Wear and No Wear plots.


Mixing KBG with Falcon V, Mustang 4, or Justice TF did not improve turfgrass quality compared to each TF alone at the end of wear periods in 2012 and 2013 (Table 2). Conversely, the turfgrass quality of Greenkeeper TF was better when mixed with Midnight II or Blue Note KBG while mixing with A05-361 and A05-344 KBG had no effect on quality. Turfgrass quality responses in our study indicate that mixing KBG with better performing cultivars of TF may have limited benefits to turfgrass quality.


 


  


     


           


 


       


 


   


     


         


 


 


   


 


 


  


 


TPI Turf News July/August 2019 77


    


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