MUHAMMAD HUNAIN

STUDY IN VII

PRESENTATIONABOUT PESTICIDES

CONTENTS

• INTRODUCTION• PESTICIDES AND TYPES• EFFECT OF PESTICIDES• ABOUTS PESTS• INTRODUCTION TO DDT

AND ITS HISTORY

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.

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

WHAT ARE PESTS

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

pesticidesUse of pesticiddes Use of pesticides

Effect on marine life and other animals

• 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