Overseeding Rates
Turf managers maintaining the full range of sports areas will appreciate the extensive work carried out by the DLF Trifolium breeding team to produce cultivars offering high ratings for wear tolerance, sward density and tolerance of close mowing. The mixture formulations following, and the varieties therein, take full advantage of these characteristics, providing the sports turf manager with assured sward performance.
STRI TRIAL ON THE EFFECTS OF DIFFERENT SEEDING RATES
Are you applying sufficient seed to create the desired result?
DLF Trifolium have recently commissioned the STRI to carry out an independent trial studying the effects of different seeding rates.
The trial was set up to examine the speed of recovery, over an
8 week period, of a heavily worn Perennial Ryegrass sward overseeded with a Perennial Ryegrass mixture sown at different seed rates.
An area of Perennial Ryegrass turf was intensively worn using a differential slip wear machine fitted with football stud rotors. The trial area was prepared using an Auto Seeder. Four passes were made over the area in four different directions to produce a fine tilth.
Conclusion
Increasing overseeding rates during the renovation of worn Perennial Ryegrass turf dramatically increased the speed of establishment and turf quality of the sward. During the establishment phase there was a direct relationship between seed rate and turf quality. The higher seed rates markedly reduced the time required to achieve a surface that would be deemed fit for use. The density and uniformity of sward produced at the end of the establishment phase was also improved by increasing the normal seed rates.
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