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IPM Integrated Pest Management

IPM Integrated Pest Management. John Royals Instructor Turfgrass Management Technology Central Piedmont Community College. Definition IPM.

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IPM Integrated Pest Management

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  1. IPM Integrated Pest Management John Royals Instructor Turfgrass Management Technology Central Piedmont Community College

  2. Definition IPM The optimization of pest population management in an economically and ecologically sound manner through the use of multiple tactics compatible in keeping pest damage below the aesthetic level

  3. Tactics Used in IPM • Monitoring • Cultural • Regulatory • Physical • Chemical

  4. Aesthetic Injury Level Defined as the lowest population density of pest that will cause unacceptable aesthetic changes

  5. Aesthetic injury level can vary depending on the value of the turf area • Highway right of ways • Home lawns • Sports fields • Golf putting greens

  6. Developing and IPM program

  7. Step 1 Identify key pest • Weeds • Insects • Diseases

  8. Key Weeds in Tall Fescue • Crabgrass • Bermuda grass • Dallisgrass • Assorted broad leaf weeds

  9. Crabgrass

  10. Bermuda Grass

  11. Dallisgrass

  12. Key Insects in Tall Fescue • Grubs • Army Worms

  13. Key Diseases in Tall Fescue • Brown Patch

  14. Step 2 Define the turfgrass Management Unit- the turf ecosystem

  15. The turfgrass managent unit • A single lawn • Golf course • Southeastern USA Size of turfgrass management unit depends on the mobility of the pest and its dispersal potential

  16. Step 3 Develop reliable monitoring techniques

  17. Monitoring depends on our ability to accurately identify turf pest and measure the amount of potential loss that can be caused by each Scouting must be done on a regular bases for weeds, insects, and diseases

  18. Step 4 Establish aesthetic thresholds

  19. Thresholds level can vary • By level of maintenance (low, medium, or high) • Turfgrass grown • Type of pest present • You must also consider • Budget restrictions • Availability of water • Fertilizer • Pesticides • And other cultural materials or equipment

  20. Step 5 Develop descriptive and predictive models of what pest are most likely to occur, when the are expected to appear or become active, and the amount of damage they can cause

  21. To develop a model for a pest we must know the: • Biology of the pest • Ecology of the pest • Epidemiology of the pest

  22. Japanese Beetle JAN-FEB: Grub in winter cell.MAR-APR: Grub comes up near surface to feed.MAY: Grub forms cell and prepares to pupate.JUNE: Grub changes to pupa and then to adult, which emerges from ground.JULY: Beetle lays eggs in ground, preferably in grass sod.AUG: Eggs hatch. Young feed on living roots of plants.SEP-OCT: Grubs continue to feed and grow rapidly. Injury to roots of plants is most common at this time.NOV-DEC: Grubs are mostly full grown and go to depths 4 to 8 inches below surface to pass winter in earthen cell

  23. Brown Patch Pressure On Tall Fescue Time Disease Occurs Brown Patch

  24. Weed Life Cycles • Annual • Biannual • Perennial

  25. Step 6 Develop an effective and economical turf management strategy

  26. Turf areas need to be uniform to minimize variation in response to the program • Front yard or back yard • Shaded areas • Wet areas • Different soil types • Etc

  27. Management Tactics

  28. Regulatory

  29. Genetic • Selection and use of adapted turfgrass species and cultivars with naturally occurring resistance to insects and/or diseases • Introduction of specific genes for resistance into a desirable turfgrass

  30. Cultural • Sanitation • Proper establishment of turf area • Mowing • Fertilization • Irrigation • Cultivation Practices

  31. Biological Living organisms that are natural antagonist, parasites, and predators • Examples • Bacillus popilliae (Milky disease) • Endophytes

  32. Physical • Traps • Surface and subsurface drainage • Control traffic

  33. Chemical • Herbicides • Fungicides • Insecticides

  34. Summary IPM : It is a systematic approach to managing pest, utilizing all control and monitoring methods

  35. Summary continued • Developing an IPM program • Know your pests • Define the turf area • Be on the lookout (scouting) • Establish damage thresholds • Know when and where your pest are coming to visit • Develop and implement a turf management plan

  36. Questions ?

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