1. MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Application of Pesticides Chapter 3

2. MSU Extension Pesticide Education Choose the best pesticide.

3. MSU Extension Pesticide Education Selecting a Pesticide F Labeled for the pest F Produces desired level of control F Minimal disruption to the environment

4. MSU Extension Pesticide Education Phytotoxicity

5. Selecting a Pesticide F Not phytotoxic F Compatible with plant management strategies –“Friendly” to beneficials F Acceptable to the public, customers –Complex issue

6. MSU Extension Pesticide Education Many pesticide choices.

7. MSU Extension Pesticide Education Classifications of Pesticides ClassificationTargeted Pest InsecticideInsects InsecticideInsects AcaricideMites, ticks AcaricideMites, ticks MiticideMites MiticideMites FungicideFungi FungicideFungi BactericideBacteria BactericideBacteria

8. MSU Extension Pesticide Education Classifications of Pesticides ClassificationTargeted Pest HerbicideWeeds HerbicideWeeds AquacideAquatic weeds AquacideAquatic weeds MolluscicideSnails and slugs MolluscicideSnails and slugs RodenticideMice, rats, rodents RodenticideMice, rats, rodents

9. Signal Word F Toxicity Categories –Danger (I) –Warning (II) –Caution (III) –Caution (IV) “Danger” = most toxic

10. Select “caution” pesticides when possible and avoid RUP’s!

11. MSU Extension Pesticide Education Pesticide Mode of Action F Broad spectrum F Residual pesticide F Protectant F Systemic F Contact

12. MSU Extension Pesticide Education F Pesticides are manufactured in many formulations.

13. MSU Extension Pesticide Education Pesticide Formulations F E, EC = emulsified concentrates F WP = wettable powders F F, FL = flowables F G = granules F Baits F Injectables F Implants F WSP = water soluble packets

14. MSU Extension Pesticide Education Pesticide Formulations F Formulation –Application method –Risk when handling –Risk of moving off target –Advantages –Disadvantages

15. MSU Extension Pesticide Education Application equipment should reflect the target plant, pest, and pesticide formulation.

16. MSU Extension Pesticide Education Some pesticides are formulated as injections.

17. MSU Extension Pesticide Education Pesticide Application Equipment F Injection and implantation –Possible tree injury –Cost –Limited materials –No drift –Reduced injury to non-target organisms

18. MSU Extension Pesticide Education

19. Pesticide Application Equipment F Manual sprayers –Compressed air sprayers Pressure drop off, settling, limited pressure & volumePressure drop off, settling, limited pressure & volume –Backpack sprayers –Wick applicators “Targeted” application“Targeted” application

20. MSU Extension Pesticide Education Pesticide Application Equipment F Power Sprayers –Small power sprayers –Hydraulic sprayers Widely used for ornamentals, variable pressure, volume, drift?Widely used for ornamentals, variable pressure, volume, drift?

21. MSU Extension Pesticide Education

22. Pesticide Application Equipment F Power Sprayers –Rotary (disk) nozzle sprayers –Mist blowers Light weight, less water, drift?Light weight, less water, drift?

23. MSU Extension Pesticide Education Spray Application Techniques F Select correct equipment F Adjust nozzles, pressure, etc. F Apply to where pests are located F Obtain thorough coverage

24. MSU Extension Pesticide Education Spray Application Tips F Do NOT spray into or with the wind F Use larger droplets in windy conditions F Thoroughly coat treatment area F For tall trees: –Use thin stream at top, changing to fan at bottom, apply from inside out, top to bottom F Protect people, pets, wildlife, homes, etc.

25. Pesticide Record Keeping F Name of applicator F Address of application F Name and concentration of pesticide F Amount of pesticide F Target pest F Method and rate of application Records

26. Pesticide Record Keeping Keep records for at least one year on general use pesticide applications. Keep RUP records for three years. Check with MDA for current regulations.