5.4: Understand the Reasons for Pest Control and the Advantages and Disadvantages of Using Pesticides and Biological Control with Crop Plants

PEST CONTROL: Using Pesticides or Biological Control to Prevent Organisms such as Insects from Eating or Damaging Plants

PESTICIDES: Chemicals used to Control Pests

PESTICIDE	FUNCTION
FUNGICIDES	Kills Fungi
HERBICIDES	Kills Herbs
INSECTICIDES	Kills Insects

 

ADVANTAGE AND DISADVANTAGES OF PESTICIDES:

sd

ADVANTAGE	DISADVANTAGE
Increases Efficiency as it is Quick	Organisms can Develop Resistance
Immediate Effect	Non Specific Chemicals - Kills Other Organisms
Kills Entire Population	Bioaccumulation - Toxic to Food Chain
	Continuously Apply

BIOLOGICAL CONTROL: Organisms used to Control Pests

ADVANTAGE AND DISADVANTAGES OF BIOLOGICAL CONTROL:

ADVANTAGE	DISADVANTAGE
Natural Method	May Eat Other Organisms
No Resistance	Takes a Long Period of Time to be Effective
Can Target Specific Species	Cannot Kill Entire Population
Long Lasting	May Not Adapt to New Environment and Die
Efficient as it Takes Little Effort to Sustain