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Developing a Pest Management Program

Developing a Pest Management Program. Randall H. Zondag Commercial Horticulture Educator OSU Extension-Lake County. Miami Valley Green Industry Professionals. To Contact Me ?. Email : Zondag.1@osu.edu Website: lake.osu.edu (presentation will be posted here ) Fax: 440-350-5928

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Developing a Pest Management Program

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  1. Developing a Pest Management Program Randall H. Zondag Commercial Horticulture Educator OSU Extension-Lake County Miami Valley Green Industry Professionals

  2. To Contact Me ? • Email :Zondag.1@osu.edu • Website: lake.osu.edu • (presentation will be posted here ) • Fax: 440-350-5928 • Phone: 440-350-2584

  3. Watch out for Charged Words! Natural Synthetic Organic Chemical Biological Genetic Engineered Risk Safe Carcinogen Toxic Toxic

  4. The Numbers Games Measuring increases and decreases: Ex: 1 in 1,000,000 versus 2 in 1,000,000 “the incidence doubled” “the rate increased by 100%” “twice as many …..” Yet: 2 in 1,000,000 versus 1 in 1,000,000 “the rate decreased by 50%” “half as many …..”

  5. The Numbers Games Comparing Studies with Unequal Numbers: • Ex: • 12 of 400 wells in 1992 had pesticides. • 10 of 100 wells in 1995 had pesticides. • Therefore: • 3% of wells in 1992 were “contaminated” • while • 10% of wells in 1995 were “contaminated” • Newspaper headline: OVER A 300% INCREASE!

  6. Common Misconceptions (in my view) Pastoral View – “Older, simpler ways of life were better than today’s” Organic View – “Natural and/or organic products and materials are safer than synthetic.” No Risk in Banning Pesticides View – “There are no real risks in banning pesticides.” or “Life would be better without pesticides.”

  7. What is Integrated Pest Management ? • A training program that is able to identify pest issues and understanding the best method to control the pest. Chemical Cultural Biological

  8. Healthy Plants Friable soils Proper nutrient balance Proper soil pH – acid vs. alkaline Proper root and crown spacing Ample soil moisture Proper soil temperature Proper light levels Pure air Free of insects and diseases

  9. Do You Understand Soils ? They are not independent – they interact to affect soil characteristics Biological microbes Physical tilth,texture drainage Chemical fertilizer lime

  10. Roots absorb nutrients as water carries it to them

  11. Rate at Which Water Moves in the Soil Soil Types Infiltration rates (inches/hour) Sand >0.8 Sandy &silty soils 0.4 to 0.8 Loams 0.2 to 0.4 Clay soils 0.04 to 0.2

  12. Key Plants - plants prone to damaging pest problems. Key Pests - pests that can cause serious damage or plant loss. Be sure to keep good records ( weather, pests, soil test, fertilizer use, pesticide use, water quality and application)

  13. Monitoring (sampling) of the pest is constantly needed. No single pest control method will be successful. Mere presence of a pest is no reason to justify action.

  14. Why Scouts will Fail • Manager” has little or no ornamental maintenance training and insufficient time and personnel to maintain ornamnetals. • Soil compaction, poor drainage, low fertility and poor organic matter. • Record Keeping - Who will keep the records?

  15. Growing Degree Days (GDD) • A GDD is the measurement of the growth and development of plants and insects during the growing season and its direct relationship to the maximum and minimum temperatures

  16. Enter your zip code and obtain a daily calendar of all the phenological events occurring in your area. Please enter your 5-digit Ohio zip code and a date and the cumulative GDD for that date will be calculated. Zip Code:        Date: Development of this website was funded by the USDA CSREES through the North Central IPM Grants Program. Phenological data was obtained from research by Dan Herms & John Cardina, and web site development was managed by David Lohnes.

  17. Finding GDD’S, Plant & Insect Development • OSU Plant Phenology Website is: • Http://www.oardc.ohio-state.edu/gdd

  18. White Pine Weevil  adult emergence  84 Eastern Tent Caterpillar  egg hatch  92  Exotic Ambrosia Beetle  first adult emergence  136  European Pine Sawfly  egg hatch  144  Inkberry Leafminer  adult emergence  150  Spruce Spider Mite  egg hatch  162  Boxwood Psyllid  egg hatch  179 Gypsy Moth  egg hatch  192  Azalea Lace Bug  egg hatch  206 Viburnum Leaf Beetle  first egg hatch  210  Birch Leafminer  adult emergence  215  Elm Leafminer  adult emergence  219  Alder Leafminer  adult emergence  224  Honeylocust Spider Mite  egg hatch  227  Honeylocust Plant Bug  egg hatch  230  Hawthorn Lace Bug  adult emergence  253

  19. Hawthorn Leafminer  adult emergence  260  Imported Willow Leaf Beetle  adult emergence  274  Pine Needle Scale  egg hatch - 1st generation  305  Cooley Spruce Gall Adelgid  egg hatch  308  Eastern Spruce Gall Adelgid  egg hatch  308  Lilac Borer  adult emergence  330  Optimal time to spray for gypsy moth    370  Lesser Peach Tree Borer  adult emergence  372  Holly Leafminer  adult emergence  375  Euonymus Scale  egg hatch - 1st generation  406  Locust Leafminer  adult emergence  437  Boxwood Leafminer  adult emergence  440  Oystershell Scale  egg hatch  497  Bronze Birch Borer   adult emergence  547  Emerald Ash Borer  adult emergence  550

  20. Black Vine Weevil  adult emergence  560  Potato Leafhopper  adult arrival  568  Juniper Scale  egg hatch  571  Twospotted Spider Mite  egg hatch  627  Bagworm  egg hatch  630  Fletcher Scale  egg hatch - 1st generation  730  Calico Scale  egg hatch  748  European Fruit Lecanium Scale  egg hatch  767  Greater Peach Tree Borer  adult emergence  775  Striped Pine Scale  egg hatch  783  Rhododendron Borer  adult emergence  815  Dogwood Borer  adult emergence  830  Cottony Maple Scale  egg hatch  851 Fall Webworm  egg hatch  867  Mimosa Webworm  egg hatch - 1st generation  874 Winged Euonymus Scale  egg hatch  892  

  21. Spruce Budscale  egg hatch  894  Azalea Bark Scale  egg hatch  957  Japanese Beetle  adult emergence  970 Pine Needle Scale  egg hatch - 2nd generation  1,349  Mimosa Webworm  egg hatch - 2nd generation  1,920  Euonymus Scale  egg hatch - 2nd generation  1,923  Magnolia Scale  egg hatch  1,938  Banded Ash Clearwing Borer  adult emergence  2,195

  22. White Pine Weevil

  23. Eastern Tent Caterpillar

  24. Boxwood Leafminer

  25. Boxwood Mites

  26. Gypsy Moth

  27. Pod Midge Gall

  28. Plant Bug in Honeylocust

  29. Fletcher Scale

  30. Bagworm

  31. Two spotted Spider Mite Calico Scale

  32. Calico Scale

  33. Lesser Peach Tree Borer372

  34. Holly Leafminer375 

  35. Euonymus Scale

  36. Greater Peach Tree Borer 775 

  37. Rhododendron Borer815

  38. Dogwood Borer830 Fall Webworm

  39. Fall Webworm867

  40. Mimosa Webworm874

  41. White Peach Tree Scale

  42. Phenology • It is the study of cyclic events of nature (plants, insects, and animals) in response to seasonal and climatic changes to the environment • A base temperature of 50 DF is considered the beginning of plant and insect development

  43. Long Road Farm Phenology Garden January 13, 2006

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