QAL "B" License-Landscape Maintenance Pest Control Chpt 1
1. How do weeds compete with desirable plants?
Answer: Weeds compete with desirable plants for water, nutrients, light, and reduced visual beauty.
2. What are some common pests to landscape besides weeds?
Answer: Insects, mites, fungi, bacteria, viruses, and nematodes are all common pests to landscape
besides weeds.
3. What type of pests are vertebrates?
Answer: Vertebrates include rodents that make burrows, mounds, and chew on roots, bark, and leaves.
4. What are the four main groups of landscape pests?
Answer: The four main groups of landscape pests are weeds, invertebrates, vertebrates, and plant
pathogens.
5. What are invertebrate pests?
Answer: Invertebrate pests include insects, spiders, mites, nematodes, snails, and slugs.
6. What are vertebrate pests?
Answer: Vertebrate pests include rodents, other mammals, and birds.
7. What are plant pathogens?
, Answer: Plant pathogens include bacteria, viruses, fungi, and other microorganisms.
8. How do weeds reproduce?
Answer: Weeds reproduce through many seeds (which can remain dormant for up to 20 years) and
vegetative structures such as stolons, rhizomes, and tubers.
9. What are the two main classifications of weeds?
Answer: The two main classifications of weeds are dicots and monocots.
10. What is a dicot?
Answer: A dicot is a type of plant that produces two seedling leaves (cotyledons) and has broad leaves.
11. What is a parasitic dicot?
Answer: Parasitic dicots include mistletoe and dodder.
12. What is an invertebrate?
Answer: An invertebrate is an animal without a backbone.
13. What is an arthropod?
Answer: An arthropod is an animal with a jointed external skeleton and jointed body parts, such as
insects, spiders, mites, and their relatives.
14. What are biotic disease factors?