Ch. 20 Pesticides. Mrs. Sealy - APES. Pesticide Types and Uses. A Pest is any species that: Competes with us for food Invades lawns and gardens Destroys wood in houses Spreads disease Is simply a nuisance. Pesticides:. Insecticides Herbicides Fungicides nematocide Rodenticides.
Mrs. Sealy - APES
Resistant bugs reproduce
Resistant bugs survive
Application of pesticide
each area is evaluated by a specialist and then a combination of methods is used to reduce pesticide use.
It is not my contention that chemical insecticides must never be used. I do contend that we have put poisonous & biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm.
–– Rachel Carson
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