Another poa control candidate?
In the never-ending search for an effective, safe tool for controlling annual bluegrass, USDA researcher Ann Kennedy has recently reported on the discovery of a new strain of the bacterium known as Pseudomonas fluorescens, which has some interesting activity in the lab against this troublesome weed. However, there are many pathogens and products that look good in the lab, but fail to perform in the field. So far, there is only limited field data, and it is not particularlly compelling.…