MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Pest Management Techniques Chapter 2

MSU Extension Pesticide Education Pesticides are commonly used for controlling pests but they are not the only tool.

Pest Management Tactics F Short term suppression –Pesticide application F Long term maintenance of pest levels –Resistance –Environmental modifications –Cultural practices –Biological controls ex. Japanese beetle managementex. Japanese beetle management

MSU Extension Pesticide Education Example: Japanese beetle management.

Plant susceptible to pest attack.

MSU Extension Pesticide Education Plant Resistance F Influence of overall plant health –Plant selection –Cultural care –Environmental modification

MSU Extension Pesticide Education Plant Resistance F Genetics –Species cultivarscultivars varietiesvarieties

MSU Extension Pesticide Education London plane tree and sycamore vary in their anthracnose susceptibility.

MSU Extension Pesticide Education Cultural Controls F Irrigation F Drainage F Soil fertility F Soil aeration F Shade F Thinning F Winter protection F Enhance water penetration F Reduce weed competition F Sanitation

MSU Extension Pesticide Education Black spot on roses.

MSU Extension Pesticide Education Mechanical and Physical Controls F Hand Removal –Egg masses –Weeds F Traps –Moles

MSU Extension Pesticide Education Mechanical and Physical Control F Barriers –Rodent tree guards –Gypsy moth F Repellants –Rodents

MSU Extension Pesticide Education SpiderLacewing Biological Control

MSU Extension Pesticide Education Biological Control Parasitized caterpillar

MSU Extension Pesticide Education Biological Controls F Encourage existing beneficials –Diverse landscapes –Reduce pesticide use, select “friendly” pesticides

MSU Extension Pesticide Education Biological Controls F Supplement natural enemy populations –Insect release predators, parasitespredators, parasites –Pathogen-based insecticides BtBt