Turfgrass Rx: Tips for Renovating Turfs in the Fall

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Information about Turfgrass Rx: Tips for Renovating Turfs in the Fall
Education

Published on October 8, 2009

Author: UTalumni

Source: slideshare.net

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

Jim Brosnan and Tom Samples Plant Sciences Department Turfgrass Rx: Tips for Renovating Turfs in the Fall

Renovation 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. D.L. Hanson, C.L. Elmore and R.L. Baldwin 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

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.

D.L. Hanson, C.L. Elmore and R.L. Baldwin

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

Why Do Turfs in Tennessee Need To Be Renovated? Compacted Soil Heat Drought Too Much Thatch Turfgrass Pests

Compacted Soil

Heat

Drought

Too Much Thatch

Turfgrass Pests

Moist, Clayey Soils are Very Prone to Compaction

Why Do Turfs in Tennessee Need To Be Renovated? Compacted Soil Heat Drought Too Much Thatch Turfgrass Pests

Compacted Soil

Heat

Drought

Too Much Thatch

Turfgrass Pests

Weather Tall Fescue and Kentucky Bluegrass Usually Grow Best at Air Temperatures from 60 to 75 Fahrenheit. Bermudagrass and Zoysia Usually Grow Best at Air Temperatures from 80 to 95 Fahrenheit. Air Temperature

Tall Fescue and Kentucky Bluegrass Usually Grow Best at Air Temperatures from 60 to 75 Fahrenheit.

Bermudagrass and Zoysia Usually Grow Best at Air Temperatures from 80 to 95 Fahrenheit.

Weather Water Turfgrasses May Use from 1/10 th to 3/10 th Inch of Water Daily.

Turfgrasses May Use from 1/10 th to 3/10 th Inch of Water Daily.

 

Drought Tolerance Cool-season Turfgrasses

 

Why Do Turfs in Tennessee Need To Be Renovated? Compacted Soil Heat Drought Too Much Thatch Turfgrass Pests

Compacted Soil

Heat

Drought

Too Much Thatch

Turfgrass Pests

More Than ½ Inch of Thatch is Considered Excessive

Low High Thatching Tendency of Turfgrasses Bermudagrass St. Augustinegrass Zoysia Fine Fescues Kentucky Bluegrass Perennial Ryegrass Tall Fescue

Why Do Turfs in Tennessee Need To Be Renovated? Compacted Soil Heat Drought Too Much Thatch Turfgrass Pests Diseases, Insects and Weeds

Compacted Soil

Heat

Drought

Too Much Thatch

Turfgrass Pests

Brown Patch of Tall Fescue Look for “Smoke Rings” of Fungal Growth Early While Dew Is Present Later Look for Large Bleached Lesions on Leaf Blades Photos Courtesy of Dr. Alan Windham

Look for “Smoke Rings” of Fungal Growth Early While Dew Is Present

Later Look for Large Bleached Lesions on Leaf Blades

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 Covered with Turfgrass Plants

Renovating Turf

Renovating Turf

Apply a Non-selective Herbicide Wait an Appropriate Amount of Time Remove Excess Organic Material Broadcast Fertilizer and Lime According to Soil Test Lightly Rake to Mix Fertilizer and Lime with Soil Limited-tillage Turf Renovation < 50 Percent Turfgrass Cover

Apply a Non-selective Herbicide

Wait an Appropriate Amount of Time

Remove Excess Organic Material

Broadcast Fertilizer and Lime According to Soil Test

Lightly Rake to Mix Fertilizer and Lime with Soil

Uniformly Broadcast / Plant Seeds Lightly Rake the Planting Bed Again to Mix Seeds with Soil Apply Mulch, as Needed, to Prevent Soil Erosion Irrigate to Supply Water to Developing Seedlings Limited-tillage Turf Renovation < 50 Percent Turfgrass Cover

Uniformly Broadcast / Plant Seeds

Lightly Rake the Planting Bed Again to Mix Seeds

with Soil

Apply Mulch, as Needed, to Prevent Soil Erosion

Irrigate to Supply Water to Developing Seedlings

A Turf can be Renovated without Using a Non-selective Herbicide if 50 Percent of the Ground is Covered with Turfgrasses Renovating Turf

Renovating Turf

Renovating Turf

 

Thank You Go Vols www.tennesseeturf.utk.edu www.tennesseeturfgrassweeds.org

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