From the Fairways .... This Spring has been a difficult time for golf courses with warm season greens in Texas. As late as May 14th-15th, the low in San Angelo was 37*F. As a result, there has been very little bermudagrass growth. Turfgrass researchers have found that until the daytime high and nighttime low temperatures add up to 150, bermudagrass cannot begin active regrowth, which includes the entire plant. This regrowth response in the Spring has historically been a frustrating point for golfers in the South and transition zone because when the bermudagrass greens up, they expect the density and quality to respond equally. These expectations are heightened by the intermittent warm Spring days that bring golfers to the course. It is critical to understand that night temperatures have the most influence on bermudagrass regrowth. The 150 degree rule must be sustained for several days before the response actually begins to occur. For example, even if daytime temperatures reach 80*F, the nighttime temperatures must be a 70*F for active bermudagrass growth. The slow growth of bermudagrass this Spring has been an even greater problem for courses that suffered damage over the winter. Although bermudagrass has greened up, until temperatures rise and conditions stay warm, it will not begin the lateral growth necessary to cover damaged areas. Our greens are bouncing back and looking much better every day. We needle tined them several weeks ago to stimulate growth and make water and air more available to the plant. Verticutting is taking place along with rolling and light dustings of sand to firm and smooth the surface. It has been a challenging season indeed, but we will persevere! Patience is key ... and rain ... and warm days and nights! Remember to pray for rain and have a good round!! Brad Fluitt, CGCS Golf Course Superintendent
Posted on: Thu, 22 May 2014 17:30:00 +0000
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