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Integrated Pest Management (IPM)

Integrated Pest Management (IPM). What is IPM?. Ecosystem-based strategy that focuses on long-term prevention of pests or their damage through a combination of techniques such as biological control, habitat manipulation, modification of cultural practices, and use of resistant varieties. .

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Integrated Pest Management (IPM)

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  1. Integrated Pest Management (IPM)

  2. What is IPM? • Ecosystem-based strategy that focuses on long-term prevention of pests or their damage through a combination of techniques such as biological control, habitat manipulation, modification of cultural practices, and use of resistant varieties.

  3. Reasons for IPM • Chemical pesticides can impact the human health and ecosystems • Example: DDT, a pesticide, can accumulate in the fatty tissue of animals and affect bird reproduction

  4. Reasons for IPM • Insects can become resistant to chemical pesticides • Approximately 500 species of insects are resistant to one or more pesticides

  5. How does IPM work? • Reduces the amount of chemical pesticides by using three possible approaches: • 1. Mechanical • 2. Biological • 3. Chemical

  6. Mechanical approach: • Limits the pest's access to food, water and harborage sites (i.e. proper storage of food/water supplies or installation or repair of physical barriers to future pest intrusion use of mechanical devices (i.e. traps) • Example – Japanese beetle traps

  7. Biological approach: • Introduction of a natural enemy of the pest • Example – Lady bugs feed on aphids and can be introduced to reduce the aphid population on crops

  8. Chemical approach: • Pesticide applications that have minimal risks associated with their use • Using the least amount of chemicals that will still be effective

  9. Insects use of Pheromones • Pheromones are chemicals emitted by an animal that signals another animal of the same species. • Example: female gypsy moths emit a pheromone to attract a male

  10. Pheromones and IPM • Pheromones can be utilized to catch or deter insects • Example: Pheromone “traps”, which contain the pheromone emitted by the female gypsy moth can be set to catch male moths

  11. Reduce chemicals being used May reduce # of pesticide resistant insects Only uses chemicals if necessary Long term benefits (lower cost for chemicals, better for environment and human health) Individual using IPM must be educated about the options Takes more time to initiate than simply “spraying for pests” Must be closely monitored for best results Natural enemies of pests may become pests themselves Advantages & Disadvantages of IPM

  12. References: • http://www.ipm.ucdavis.edu/IPMPROJECT/about.html • Raupp, M.J. – University of Maryland • http://ipmwww.ncsu.edu/urban/cropsci/c11struc/sipm.html • LFSC 680 course notes

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