Integrated Plant Management C&P
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Integrated Plant Management C&P

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Using growing degree days to anticipate insect developement and increase your effectiveness on control.

Using growing degree days to anticipate insect developement and increase your effectiveness on control.

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Integrated Plant Management C&P Integrated Plant Management C&P Presentation Transcript

  • Justin C. Ruiz, CGCS Integrated Plant Management Practical IPM on the Golf Course
  •  
  • Being Creative
  • Integrated Plant Management
    • Defined
    “ IPM is a sustainable approach to managing pests by combining biological, cultural, physical and chemical tools in a way that minimizes economic, health, and environmental risks.” Reference: http://www.ag.ndsu.nodak.edu/aginfo/ndipm/ipmdefinition.htm
  • Presentation Outline
    • Growing Degree Day Calculation
    • Billbug Control
      • Degree Day Model
      • Scouting
      • Chemical Application
    • Cutworm Control
      • Degree Day Model
      • Scouting
      • Chemical Application
  • Presentation Outline
    • Masked Chafer
      • Degree Day Model
      • Scouting
      • Chemical Application
  • Growing Degree Day
    • “ The number of degrees the average temperature is above a baseline temperature. Used to predict insect and plant development.”
  • Upper and Lower Threshold Temperature
    • “ The high and low temperature at which insect/plant development occurs.”
  • Calculating Growing Degree Days (GDD) T max + T min GDD = ____ 2 -T base T max = Daily High T min = Daily Low T base = 50 degrees
    • Sine Wave Method is more accurate. You can find calculators on the web.
  • Integrated Plant Management Billbug Control
  • Bluegrass Billbug Adult www. biosurvey . ou . edu / okwild /misc/ bgbill .html
  • Billbug Control
    • Degree Day Model
  • Degree Day Model
    • Adults become active
    • 280-352 GDD
    • Last effective adult contact control
      • 560-624 GDD
    • Larvae control is effective
    • 925-1035 GDD
    • Significant visual damage occurs
      • 1330-1485 GDD
      • Starting March 1st
  • Billbug Damage
  • Billbug Control
    • Degree Day Model
    • Scouting/Trapping
  • Billbug Scouting
    • Using pitfall traps
    • Observing cart paths and greens
    • Clippings in mower buckets
  •  
  •  
  •  
  • Billbug Trap Data Chlorpyrifos Application made April 24 th
  • Chemical Application
    • 4/24/08 Chlorpyrifos (1oz/M)
      • Ring around perimeter of golf course
        • Target adult billbugs
        • GDD aprox. 502
    • 5/12/08 Clothianidin (12.8oz/A)
      • All short cut and South facing slopes in rough
        • Target billbug larvae
        • GDD aprox. 799*
    * Application made a few days early in preparation for a tournament
  • When to Spray What
    • Adult Control
        • Contact insecticide (350-600GDD)
            • Compare with trap data
    • Larvae Control
        • Systemic insecticide (925-1035GDD)
  • Biological Control
    • Entomopathogenic Nematodes
      • Steinernema carpocapsae
    • Endophyte enhanced grasses
  • Infecting Nematodes www. ag . ndsu . edu /pubs/ plantsci /pests/e1229w. htm
  • www. bsu . edu /classes/ ruch / msa / blackwell .html Endophyte Mycelium
  • Integrated Plant Management
    • Scouting/Trapping
    • Cutworm Control
    • Degree Day Model
  •  
  • Cutworms March 25th
  • Cutworm Scouting
    • Light traps
    • Walking greens
    • Pitfall traps???
    • Soap Flush
  •  
  •  
  •  
  • Cutworm Control
    • Degree Day Model
      • Lower Threshold is 50 degrees
      • Upper Threshold is 86 degrees
  • Degree Day Model
    • Adults Migrate
    • Mid March to early April
    • Eggs hatch after peak flight
      • 90 GDD
    • Larvae control is effective
    • 200-300 GDD
    • Significant visual damage occurs
      • 300-1000 GDD
  • Degree Day Model Cont.
    • Second Generation Peak Flight
    • 900-1100 GDD
    • Third Generation Peak Flight
      • 1900-2100 GDD
    • This is our observation at our property
  • Cutworm Damage
  • Cutworm Trap Data Chlorpyrifos Application made April 24 th
  • Chemical Application
    • Systemic application
    • ( Accelepryn, etc.)
      • All green surrounds and mapped rough areas.
        • Target cutworm larvae
        • GDD aprox. 250-275 GDD*
    * Peak flight we recorded on our property
  • Chemical Application Cont.
    • Contact Insecticide
      • Label rate for Cutworm larvae
          • Apply to area that has visible damage over your threshold.
          • Not really a GDD timed application.
  • Biological Control
    • Entomopathogenic Nematodes
      • Steinernema carpocapsae
    • Endophytic grasses
    • Bacterium
      • Bacillus thuringiensis  var.  kurstaki
  • Infecting Nematodes
  • www. bsu . edu /classes/ ruch / msa / blackwell .html Endophyte Mycelium
  • www.inchem.org
  • Integrated Plant Management
    • Scouting/Trapping
    • Masked Chafer Control
    • Degree Day Model
  • WWW.KSDA.GOV
  •  
  • Masked Chafer Scouting
    • Light traps
    • Javalina damage
  •  
  • Masked Chafer Control
    • Degree Day Model
    • Day length may be more important than temperature??
  • Masked Chafer Control
    • Degree Day Model
      • Lower Threshold is 50 degrees
      • Upper Threshold is 75 degrees
  • Degree Day Model
    • Peak Flight prediction
    • 1375-1575 GDD (www.turffiles.ncsu.edu)
    • First Instar Development
      • 260-340 GDD from peak flight (my observation)
    • Temperature Threshold
    • 50 deg. Base and 75 deg. Max.
      • One generation per year here.
  •  
  • Chemical Application
    • Systemic at label rate
    • ( Accelepryn, Arena etc.)
      • All mapped areas, mostly south facing.
        • Target White grub
        • GDD 1375-1575 GDD*
    * At peak flight observation
  • Chemical Application Cont.
    • Contact Insecticide
      • Label rate for Masked Chafer Grub
          • Apply to area that has visible damage over your threshold.
          • Not really a GDD timed application.
          • Very hard to control since contact is needed and thatch can capture most of the chemical.
  • Biological Control
    • Entomopathogenic Nematodes
      • Heterorhabditis bacteriophora
    • Endophytic grasses
    • Mach 2 (halofenozide)
      • Interrupts molting process
    • Parasitic Wasps
      • Typhia Wasp
  • http://entnemdept.ufl.edu/creatures/field/white_grub4a.gif Parasitic Wasp Feeding on White Grub
  • Nice Links
    • www.uspest.org
    • www.turfhugger.com
    • www.beneficialinsectco.com
  • Any Questions?
  • Justin C. Ruiz, CGCS 928-472-1456 [email_address] www.therimgolfclub.blogspot.com