SECTION 10.2:PESTICIDEBENEFITSRobin H, Aditya G, Daniel M
OVERVIEW Humans compete with other species Pesticides are important for our survival
INSECT-BORNE DISEASES
INSECT BORNE DISEASE Insects transmit many diseases and pathogens Malaria     Caused by Plasmodium protozoa     Spread...
INSECT BORNE DISEASES Encephalitis    Vector: mosquitoes Trypanosomiasis    Vector: tsetse fly Onchocerciasis and fil...
ENCEPHALITIS Acute inflammation of the  brain headache, fever, confusion,  drowsiness, and fatigue
TRYPANOSOMIASIS “sleeping sickness” Causes 21,000 deaths per  year
ELEPHENTIASIS thickening of the skin and  underlying tissues, especially  in the legs and male genitals Worst affected a...
A CHOICE FOR YOU Would you rather…    Go blind at 30 years of age from tiny worms accumulating in your eyeballs    Die ...
PESTICIDES PROTECT CROPS Pesticides protect 1/3 of our world crops Postharvest losses would destroy a further 20 to 30 p...
Pesticide Usage                  Conventional Pesticide                  Other Pesticide                  Chemicals       ...
ECONOMIC EFFECTS Farmers save $3-5 for every $1 spent on pesticides Bugs can also reduce the economic value of crops He...
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Chapter 10.2 presentation[1]

  1. 1. SECTION 10.2:PESTICIDEBENEFITSRobin H, Aditya G, Daniel M
  2. 2. OVERVIEW Humans compete with other species Pesticides are important for our survival
  3. 3. INSECT-BORNE DISEASES
  4. 4. INSECT BORNE DISEASE Insects transmit many diseases and pathogens Malaria  Caused by Plasmodium protozoa  Spread by Anopheles DDT was used to stopthe spread of thedisease
  5. 5. INSECT BORNE DISEASES Encephalitis  Vector: mosquitoes Trypanosomiasis  Vector: tsetse fly Onchocerciasis and filariasis (elephentiasis)  Vector: tiny worms
  6. 6. ENCEPHALITIS Acute inflammation of the brain headache, fever, confusion, drowsiness, and fatigue
  7. 7. TRYPANOSOMIASIS “sleeping sickness” Causes 21,000 deaths per year
  8. 8. ELEPHENTIASIS thickening of the skin and underlying tissues, especially in the legs and male genitals Worst affected area is Ethiopia
  9. 9. A CHOICE FOR YOU Would you rather…  Go blind at 30 years of age from tiny worms accumulating in your eyeballs  Die because of a small chance of cancer due to pesticide exposure at age 50 or 60?
  10. 10. PESTICIDES PROTECT CROPS Pesticides protect 1/3 of our world crops Postharvest losses would destroy a further 20 to 30 percent. Food production would not match world demand if pesticide usage stopped
  11. 11. Pesticide Usage Conventional Pesticide Other Pesticide Chemicals Wood preservatives Specialty Biocides Chlorine/hypochlorites
  12. 12. ECONOMIC EFFECTS Farmers save $3-5 for every $1 spent on pesticides Bugs can also reduce the economic value of crops Herbicides increase crop yields, reduce soil erosion, and reduce the need for labor
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