Jim Brosnan and Tom Samples Plant Sciences Department Turfgrass Rx: Tips for Renovating Turfs in the Fall
Renovation <ul><li>A Turf Management Practice for Converting an Existing Stand of Weeds or Mixed Grass Species, or Both, i...
Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </...
Moist, Clayey Soils are Very Prone to Compaction
Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </...
Weather <ul><li>Tall Fescue and Kentucky Bluegrass Usually Grow Best at Air Temperatures from 60 to 75 Fahrenheit. </li></...
Weather Water <ul><li>Turfgrasses May Use from 1/10 th  to 3/10 th  Inch of Water Daily. </li></ul>
 
Drought Tolerance Cool-season Turfgrasses
 
Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </...
More Than ½ Inch of Thatch is Considered Excessive
Low High Thatching Tendency of Turfgrasses  Bermudagrass St. Augustinegrass Zoysia Fine Fescues Kentucky Bluegrass Perenni...
Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </...
Brown Patch of Tall Fescue <ul><li>Look for “Smoke Rings” of Fungal Growth Early While Dew Is Present  </li></ul><ul><li>L...
White Grubs Photo Courtesy of Dr. Frank Hale
Scarab Beetles Photos Courtesy of Dr. Dave Shetlar, The Ohio State University
Japanese Stiltgrass Smooth Crabgrass Summer Annual Weed Grasses Goosegrass
Common Purslane Summer Annual Broadleaf Weeds Prostrate Spurge
Common Chickweed Winter Annual Broadleaf Weeds Purple Deadnettle
Dallisgrass Nimblewill Perennial Weed Grasses
Perennial Broadleaf Weeds Wild Violet Ground Ivy
Yellow   Purple Perennial Sedges Yellow Nutsedge
Renovating Turf Turf can be Renovated without Using a Non-selective Herbicide if 50 Percent or More of the Ground is Cover...
Renovating Turf
Renovating Turf
<ul><li>Apply a Non-selective Herbicide </li></ul><ul><li>Wait an Appropriate Amount of Time </li></ul><ul><li>Remove Exce...
<ul><li>Uniformly Broadcast / Plant Seeds </li></ul><ul><li>Lightly Rake the Planting Bed Again to Mix Seeds </li></ul><ul...
A Turf can be Renovated without Using a Non-selective Herbicide if 50 Percent of the Ground is Covered with Turfgrasses  R...
Renovating Turf
Renovating Turf
 
Thank You Go Vols www.tennesseeturf.utk.edu www.tennesseeturfgrassweeds.org
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Turfgrass Rx: Tips for Renovating Turfs in the Fall

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A presentation by Jim Brosnan and Tom Samples of the University of Tennessee Plant Sciences Department

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Turfgrass Rx: Tips for Renovating Turfs in the Fall

  1. 1. Jim Brosnan and Tom Samples Plant Sciences Department Turfgrass Rx: Tips for Renovating Turfs in the Fall
  2. 2. Renovation <ul><li>A Turf Management Practice for Converting an Existing Stand of Weeds or Mixed Grass Species, or Both, into a Turf of Acceptable Species and Quality. </li></ul><ul><li>D.L. Hanson, C.L. Elmore and R.L. Baldwin </li></ul><ul><li>The Process of Killing the Existing Turf on an Area and Replacing It with New Grass without Grading, Tilling and Other Processes Normally Associated with the Establishment of Grass. http://people.cpcc.edu/~hij102e/Turf%20Grass%20Definitions.doc </li></ul>
  3. 3. Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </li></ul><ul><li>Too Much Thatch </li></ul><ul><li>Turfgrass Pests </li></ul>
  4. 4. Moist, Clayey Soils are Very Prone to Compaction
  5. 5. Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </li></ul><ul><li>Too Much Thatch </li></ul><ul><li>Turfgrass Pests </li></ul>
  6. 6. Weather <ul><li>Tall Fescue and Kentucky Bluegrass Usually Grow Best at Air Temperatures from 60 to 75 Fahrenheit. </li></ul><ul><li>Bermudagrass and Zoysia Usually Grow Best at Air Temperatures from 80 to 95 Fahrenheit. </li></ul>Air Temperature
  7. 7. Weather Water <ul><li>Turfgrasses May Use from 1/10 th to 3/10 th Inch of Water Daily. </li></ul>
  8. 9. Drought Tolerance Cool-season Turfgrasses
  9. 11. Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </li></ul><ul><li>Too Much Thatch </li></ul><ul><li>Turfgrass Pests </li></ul>
  10. 12. More Than ½ Inch of Thatch is Considered Excessive
  11. 13. Low High Thatching Tendency of Turfgrasses Bermudagrass St. Augustinegrass Zoysia Fine Fescues Kentucky Bluegrass Perennial Ryegrass Tall Fescue
  12. 14. Why Do Turfs in Tennessee Need To Be Renovated? <ul><li>Compacted Soil </li></ul><ul><li>Heat </li></ul><ul><li>Drought </li></ul><ul><li>Too Much Thatch </li></ul><ul><li>Turfgrass Pests </li></ul>Diseases, Insects and Weeds
  13. 15. Brown Patch of Tall Fescue <ul><li>Look for “Smoke Rings” of Fungal Growth Early While Dew Is Present </li></ul><ul><li>Later Look for Large Bleached Lesions on Leaf Blades </li></ul>Photos Courtesy of Dr. Alan Windham
  14. 16. White Grubs Photo Courtesy of Dr. Frank Hale
  15. 17. Scarab Beetles Photos Courtesy of Dr. Dave Shetlar, The Ohio State University
  16. 18. Japanese Stiltgrass Smooth Crabgrass Summer Annual Weed Grasses Goosegrass
  17. 19. Common Purslane Summer Annual Broadleaf Weeds Prostrate Spurge
  18. 20. Common Chickweed Winter Annual Broadleaf Weeds Purple Deadnettle
  19. 21. Dallisgrass Nimblewill Perennial Weed Grasses
  20. 22. Perennial Broadleaf Weeds Wild Violet Ground Ivy
  21. 23. Yellow Purple Perennial Sedges Yellow Nutsedge
  22. 24. Renovating Turf Turf can be Renovated without Using a Non-selective Herbicide if 50 Percent or More of the Ground is Covered with Turfgrass Plants
  23. 25. Renovating Turf
  24. 26. Renovating Turf
  25. 27. <ul><li>Apply a Non-selective Herbicide </li></ul><ul><li>Wait an Appropriate Amount of Time </li></ul><ul><li>Remove Excess Organic Material </li></ul><ul><li>Broadcast Fertilizer and Lime According to Soil Test </li></ul><ul><li>Lightly Rake to Mix Fertilizer and Lime with Soil </li></ul>Limited-tillage Turf Renovation < 50 Percent Turfgrass Cover
  26. 28. <ul><li>Uniformly Broadcast / Plant Seeds </li></ul><ul><li>Lightly Rake the Planting Bed Again to Mix Seeds </li></ul><ul><li>with Soil </li></ul><ul><li>Apply Mulch, as Needed, to Prevent Soil Erosion </li></ul><ul><li>Irrigate to Supply Water to Developing Seedlings </li></ul>Limited-tillage Turf Renovation < 50 Percent Turfgrass Cover
  27. 29. A Turf can be Renovated without Using a Non-selective Herbicide if 50 Percent of the Ground is Covered with Turfgrasses Renovating Turf
  28. 30. Renovating Turf
  29. 31. Renovating Turf
  30. 33. Thank You Go Vols www.tennesseeturf.utk.edu www.tennesseeturfgrassweeds.org

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