Bermudagrass Prevention – July 30, 2014
For the past few years, we have been treating our rough with a non-selective herbicide program to eliminate all bermudagrass in the rough. We will complete the final phase of the project this fall on #11 and #18. Already, we are beginning to see new shoots of bermudagrass spreading onto the course from native areas treated during the first phase in 2012. Fortunately a new product has come to the market which we can use to control bermudagrass without the expense and hassle of sodding afterward.
Topramezone is a selective caratenoid biosynthesis inhibitor, or chlorophyll inhibitor. Remember, chlorophyll is the green pigment that allows plants to absorb energy from light. Since this product is preventing the grass from producing chlorophyll, the bermudagrass will begin to turn completely white. In less than one week, the bermudagrass is already showing results of the product working. See below.
As the active ingredient stops the plant from producing chlorophyll, it will also fail to produce complex sugars necessary to sustain life. The dead bermudagrass will then be overtaken by the healthy bluegrass rough. This process, however, will take approximately 7 to 9 weeks to complete.