weeds insects diseases
Download
Skip this Video
Download Presentation
Weeds, Insects & Diseases

Loading in 2 Seconds...

play fullscreen
1 / 20

Weeds, Insects & Diseases - PowerPoint PPT Presentation


  • 143 Views
  • Uploaded on

Weeds, Insects & Diseases. Information courtesy of Texas A&M University Turf Grass http://aggieturf.tamu.edu/aggieturf2/golf/gcindex.html. Weeds. Number one problem on golf courses Detract from green uniformity Aggressive competitors for Sunlight Moisture Nutrients . Weeds (cont.).

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Weeds, Insects & Diseases' - hilda


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
weeds insects diseases

Weeds, Insects & Diseases

Information courtesy of

Texas A&M University Turf Grass

http://aggieturf.tamu.edu/aggieturf2/golf/gcindex.html

weeds
Weeds
  • Number one problem on golf courses
  • Detract from green uniformity
  • Aggressive competitors for
    • Sunlight
    • Moisture
    • Nutrients
weeds cont
Weeds (cont.)
  • Effective weed control requires proper identification of the unwanted plants
  • Types
    • Grassy
    • Sedges
    • Broadleaf
common turfgrass weeds
Common Turfgrass Weeds
  • Must identify weeds in order to properly treat the turf without damage
  • Grassy weed identification depends heavily on the vegetative characteristics of the plant.
  • Additional clues used in identification are
    • time of year
    • cutting height
    • soil moisture
    • shade.
  • Vegetative identification of

grasses requires careful inspection

of primary vegetative characteristics.

common turfgrass weeds cont
Common Turfgrass Weeds (cont.)
  • Warm Season
    • Bermuda grass
    • St. Augustine grass
    • Buffalo grass
  • Cool Season
    • Annual Bluegrass
    • Chewings Fescue
    • Kentucky Bluegrass
    • Tall Fescue
  • For a complete list visit

http://aggieturf.tamu.edu/aggieturf2/grasswee/turf.html

grassy weeds perennials
Grassy Weeds- Perennials
  • Broomsedge
  • Carpetgrass
  • Johnsongrass
  • Knotgrass
  • Smutgrass
  • For a complete list visit

http://aggieturf.tamu.edu/aggieturf2/grasswee/grass.html

grassy weeds annual
Grassy Weeds- Annual
  • Annual bluegrass
  • Crowsfootgrass
  • Egyptian Crabgrass
  • Sandbur
  • Stinkgrass
  • Wild Oats
  • For a complete list visit

http://aggieturf.tamu.edu/aggieturf2/grasswee/grass.html

broadleaf weeds
Broadleaf Weeds
  • Can be easily controlled
    • Usually during post emergence
  • Common broadleaf weeds include
    • Bindweed
    • Ground Ivy
    • Poison Ivy
    • Wild Violet
  • For a complete list visit

http://aggieturf.tamu.edu/aggieturf2/grasswee/broadlf.html

sedges
Sedges
  • Usually appear in water soaked or slow draining areas in the turf
  • Hard to get rid of because they produce underground nutlets that produce new sedge plants
  • Common Sedges
    • Yellow Nutsedge
    • Texas Sedge
    • Annual Sedge
  • For a complete list visit

http://aggieturf.tamu.edu/aggieturf2/grasswee/sedge.html

insects
Insects
  • Insects must be properly identified in order to utilize control recommendations
  • Common Turf Insects
    • Big Eyed Bugs
    • Bermudagrass mites
    • Chinch Bugs
    • Red Fire Ants
chinchbugs
Chinchbugs
  • Common in St. Augustinegrass
  • Creates yellow patches in turf
red fire ants
Red Fire Ants
  • Common in Texas
diseases
Diseases
  • Insects must be properly identified in order to utilize control recommendations
  • Common Turf Diseases
    • Dollar Spot
    • Rust
    • St. Augustine Decline
    • Take-All Patch
dollar spot
Dollar Spot
  • Symptoms include silver dollar sized circular spots that are straw colored
  • Host Grasses Include
    • St. Augustine grass
    • Annual bluegrass
    • Kentucky bluegrass
slide17
Rust
  • Symptoms include yellow appearance progressing to red, then brown
  • Host Grasses include
    • Kentucky bluegrass
    • Tall fescue
    • Bermudagrass
    • St. Augustinegrass
st augustine decline
St. Augustine Decline
  • Symptoms include mottling or stippling

Source: http://aggie-horticulture.tamu.edu/archives/parsons/turf/publications/Staugdecline.html

take all patch
Take-All Patch
  • Symptoms include circular patches up to 2 feet in diameter
  • Host grasses include
    • Bermudagrass
    • St. Augustinegrass
    • Fine fescues
summary
Summary
  • Weeds and Insect control first begins with proper identification
  • Become familiar with common weeds, insects and diseases so a healthy turf can be maintained and treated
  • For more information and a complete list of weeds and insects visit http://aggieturf.tamu.edu/aggieturf2/insect/insectindex.html
ad