Pest & Weed Vocab
A weed that lives for more than two years is called this
What is a perennial weed
This protective outer body wall supports an insect
What is an exoskeleton?
This is the disease causing agent in the disease triangle
What is a pathogen?
This practice involves scouting for pest, damage, and developmental stages.
What is monitoring?
This control method uses pesticides to reduce pest population
What is chemical control?
A weed that grows leaves, stems and roots in its first year, then flowers and dies in its second year, has this life cycle
What is Biennial life cycle
These mouthparts can cause distorted growth and leaf spotting
What are sucking mouthparts?
This term means living fungi are example
What does biotic mean?
This point indicates when pest damage justifies the cost of control
What is the economic threshold?
Crop rotation is an example of this control method
What is cultural control?
These perennial weed structures allow reproduction on without seeds, rhizomes, stolons and this
What is rootstock
Complete metamorphosis includes egg, larva, pupa, and this final stage
What is the adult stage?
Name the 3 conditions that make up the disease triangle
What are susceptible host, a pathogen and favorable environmental condition?
IPM aims to manage pests while reducing reliance on this
What is IPM's goal of reducing reliance on chemicals while managing pest?
Predators, parasites and pathogens are used in this control methods
What is biological control?
Winter annuals germinate in fall, while this kind of annual weed germinates in late spring
What is a summer annual
These three body regions make up an insect's body
What are the head, thorax and abdomen?
Pollution and chemical damage are examples of this kind of cause of plant problems
What is an abiotic cause?
Control is justified when its cost is less than this
What are the expected losses?
This method isolates infested material while eradication completely removes a pest
What are regulatory control and eradication?
A weed that causes serious harm and requires extended treatment and monitoring is described by this term
What is a noxious weed
Insects with this type of metamorphosis pass through egg, nymph and adult stages
What is a gradual metamorphosis?
Explain why a susceptible host and pathogen may not cause infectious plant disease when favorable conditions are absent
What are favorable environmental conditions? Without them, the disease triangle is incomplete, so the conditions needed for infectious disease are not all present
Name two possible consequences of pesticide misuse or overuse
What are pollution, pesticide resistance, and pesticide resistance, and pest resurgence? Any two are acceptable for the answer
Identify the control method for a resistant variety crop rotation and hand removal respectively
What is resistant traits, crop rotation, cultural control, hand removal: physical/mechanical control