6 Pests - PESTICIDES PESTICIDES History Pests compete with humans for food serve as compete with humans for food serve as vectors of disease

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PESTICIDES History ests compete with humans for food serve as Pests compete with humans for food, serve as vectors of disease, destroy crops or depress their market quality, cause structural damage to buildings and homes, and attack people directly causing annoyance, injury, or even death. THE TROUBLE WITH PESTS - Moore 1
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PESTICIDES History 800s 1800s Copper arsenate compounds (Paris Green) and lead arsenate (Bordeaux mixture) were introduced as fungicides and pesticides. WWII DDT THE TROUBLE WITH PESTS - Moore 2
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PESTICIDES History 970s 1970s Realization of detrimental effects on ecology and human health. THE TROUBLE WITH PESTS - Moore 3
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PESTICIDES Present Day Problems ) the resistance of vectors to pesticides; (1) the resistance of vectors to pesticides; (2) the adverse health and ecological effects of esticides; and pesticides; and (3) the proliferation of pesticides globally. THE TROUBLE WITH PESTS - Moore 4
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Insect Resistance From 1970 to 1980, the number of arthropods resistant to insecticides nearly doubled from 224 to 428 while the numbers of resistant species of rodents, bacteria, fungi, and weeds are increasing as well. THE TROUBLE WITH PESTS - Moore 5
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Insect Resistance Physiological Resistance ) enzymatic detoxification of pesticides into a 1) enzymatic detoxification of pesticides into a less harmful form: ) reduced permeability of exoskeleton to (2) reduced permeability of exoskeleton to pesticides; and ) storage or excretion of pesticides without (3) storage or excretion of pesticides without harm. THE TROUBLE WITH PESTS - Moore 6
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Insect Resistance Behavioral Resistance ) landing less frequently or changing landing (1) landing less frequently or changing landing areas: or ) avoidance of baits such as fly- aper (2) avoidance of baits such as fly paper.
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This note was uploaded on 07/15/2011 for the course PHC 6357 taught by Professor Mlynarek,s during the Summer '08 term at University of South Florida - Tampa.

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6 Pests - PESTICIDES PESTICIDES History Pests compete with humans for food serve as compete with humans for food serve as vectors of disease

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