Podcast
Questions and Answers
What is the objective of biological weed control?
What is the objective of biological weed control?
- To eradicate all weeds from the area
- To promote the growth of weeds
- To reduce the density of a particular weed to a tolerable level (correct)
- To introduce new types of weeds
Why are popular methods of weed control such as mechanical and chemical considered problematic?
Why are popular methods of weed control such as mechanical and chemical considered problematic?
- They are easily accessible to everyone
- They are ineffective in controlling weeds
- They have no impact on the environment
- They are expensive, energy and labor intensive, and require repeated applications (correct)
What is the main focus of this module on biocontrol agents?
What is the main focus of this module on biocontrol agents?
- To promote the use of chemical herbicides
- To study the growth patterns of weeds
- To describe a way to control weeds using biocontrol agents (correct)
- To discourage the use of any weed control methods
What are the learning outcomes of this module related to biocontrol of weeds?
What are the learning outcomes of this module related to biocontrol of weeds?
What is the definition of weeds as provided in the text?
What is the definition of weeds as provided in the text?
Biological control of weeds involves the deliberate use of natural enemies to reduce the density of a particular ______ to a tolerable level
Biological control of weeds involves the deliberate use of natural enemies to reduce the density of a particular ______ to a tolerable level
Weeds are generally defined as plants growing where they are not ______
Weeds are generally defined as plants growing where they are not ______
Popular methods of weed control such as mechanical and chemical are known to be: expensive, energy and labor intensive and require repeated ______
Popular methods of weed control such as mechanical and chemical are known to be: expensive, energy and labor intensive and require repeated ______
In this module, it describes a way to control weeds using biocontrol ______
In this module, it describes a way to control weeds using biocontrol ______
Differentiate between biotic and abiotic factors in affecting success in ______
Differentiate between biotic and abiotic factors in affecting success in ______