Five mains groups of pests. - ANSWER 1. Insects
2. Snails and slugs
3. Vertebrates
4. Plant disease agents
5. Weeds
Pest - ANSWER living things that compete with human beings for food, fiber, and space or attach humans directly
Hosts - ANSWER living plants or animals some pests depend on ...
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Five mains groups of pests. - ANSWER 1. Insects
2. Snails and slugs
3. Vertebrates
4. Plant disease agents
5. Weeds
Pest - ANSWER living things that compete with human beings for food, fiber, and space
or attach humans directly
Hosts - ANSWER living plants or animals some pests depend on for survival
Name two identifying characteristics common to all adult insects - ANSWER Six jointed
legs
Three body regions
Two characteristics which aid in distinguishing one insect from another - ANSWER
Wings
Mouthparts
Explain the differences between the basic life cycles of insects - ANSWER Some
change only in size as they develop
Some change form slightly
Some change completely in form and size
Gradual Life Cycle - ANSWER Eggs - Nymph - Adult
Also referred to "Simple"
Three characteristics of mites, ticks and spiders - ANSWER Eight jointed legs
Two body regions
Lack wings
List four types of vertebrate animals that can be pests - ANSWER Fish
Reptiles
Amphibians
Birds
List types of living organisms that cause plant diseases - ANSWER Fungi
Bacteria
Viruses
, Nematodes
List three main ways a plant responds to infection by a plant disease agent - ANSWER
Overdevelopment of tissue
Underdevelopment of tissue
Death of tissue
Define weeds - ANSWER Weeds are plants growing where thay are not wanted or in a
way that is not desireable
Characteristics of herbaceous grasses - ANSWER One leaf as the emerge
Leaves narrow and upright; veins parallel
Fibrous root system
Growing point sheathed and under soil surface
Growing point gradually moves above soil as plant matures
Chracteristics of herbaceous broadleaves - ANSWER Two leaves as they emerge
Leaves broad with net-like veins
Exposed growing points at end of each stem
Perennial broadleaved plant may have growing points on roots and stems below soil
Chracteristics of woody plants - ANSWER brush and shrubs having several stems and
less that 10 feet tall
Trees - single stem and greater than 10 feet tall
Annuals - ANSWER complete life cycle in less than 12 months
Explain the developmental stages of plants - ANSWER Seedkubg - small with seed
leaves present
Vegetative rapid growth of stems, roots, and foliage. Water and nutrient uptake rapid
Seed production - little or no growth; produces fruit. Water and nutrient uptake and
movement slow and directed to reproductive parts
Maturity - little or no growthe. Movement of water and nutrients slow.
Biennials - ANSWER complete life cycle in 2 years
Perennials - ANSWER live more than 2 years; ma live indefinitely
Winter vs. Summer Annuals - ANSWER Winter annuals germinate in the fall, examples:
cheat chickweed, henbit, little barley, annual bluegrass and wild mustard.
Spring annuals germinate in the spring, examples: ragweed, crabgrass, partridge pea,
pigweed and spotted spurge
Examples of Biennials - ANSWER thistle, common mullein, wild carrot, and false
dandelion
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