ABOUT DDT ADVANTAGES AND DISADVANTAGES

1. MUHAMMAD HUNAIN
STUDY IN VII
PRESENTATION
ABOUT PESTICIDES

2. CONTENTS
• INTRODUCTION
• PESTICIDES AND TYPES
• EFFECT OF PESTICIDES
• ABOUTS PESTS
• INTRODUCTION TO DDT
AND ITS HISTORY

3. What are Pesticides?
• Pesticides are poisons used to kill pests.
• We use pesticides to kill off pests that hurt
us, animals or plants.
• Farmers first used them to kill bugs and
weeds because they have big fields.

4. TYPES OF Pesticides
 Insecticides- Chemical substances used
to kill insects
 Herbicides- Chemical substances used
to kill weeds
 Fungicides- Chemical substances used
to kill fungus
 Rodenticides- Chemical substances
used to kill Rodents

6. WHAT ARE
PESTS
WHAT ARE
PESTS

9. About DDT
 DDT was invented in 1939 by Paul Muller, and soon
after began using DDT as a pesticide and malaria
controller
 Rachel Carlson published a book, Silent Spring, in
1959 and it outlined the severe issues with DDT use
in ecosystems

10. pesticides
Use of pesticiddes Use of pesticides

11. Effect on marine life and other animals

12. • Posses an unreasonable risk to humans or
the environment.
• Has a common active ingredient with others
that are toxic.
• Has high exposure risk- one time or multiple
times.
EPA (Environmental Protection
Agency)has banned
pesticide