Passitexams

Most important principle of pest control - ANSWER Use a pest control method only when that method will prevent the pest from causing more damage than is reasonable to accept. Resistant varieties - ANSWER Resistant crops. Biological control - ANSWER Using a pests natural enemy. Cultural control - ANSWER Planting pattern, tillage practices

Pest - ANSWER A pest is any living thing that has an undesirable impact on something that is important to us. Pesticide - ANSWER A pesticide is any substance or mixture of substances used to kill pests or to prevent or reduce the damage pests cause. True or false: repellents are pesticides - ANSWER True Pest control devices - ANSWER Products which use purely mechanical or physical means to combat pests. True or false: if a pest control device is packaged together with a substance...

What are the three types of Arthropods? - ANSWER 1. Mites 2. Ticks 3. Spiders What are the differences in insect life cycles? - ANSWER Some insects change only in size as they develop. Some insects change form slightly. Other insects change completely. What is a nymph? - ANSWER A tiny adult insect that hatches from the egg and goes through several stages. What are four stages of some insects life cycle? - ANSWER 1. Egg 2. Larva 3.Pupa 4. Adult What are the characteristics ...

ground pearls - ANSWER observed in the cyst stage or when pink females are mobile white grubs - ANSWER c-shaped root-feeding immature stages of scarab beetles. distinct head and 3 pairs of legs billbug adults - ANSWER snouted beetles that feed on grass as adults (before laying eggs) immature billbug - ANSWER differ from white grubs bc they are legless and feed from inside the plant as younger larvae honeydew - ANSWER sugary liquid excrement of mealy bugs, aphids, white flies and...

Piercing-sucking insects - ANSWER Scales, mealybugs, aphids, whiteflies & lacebugs; Leave Sooty Mold or Honeydew Scales - ANSWER Most damaging pests of ornamental plants; feed on underside of leaves, appear as bumps, prune out infested parts, use less susceptible plants when possible Mealybugs - ANSWER Scale insects, Covered with white, waxy material, usually a houseplant problem; replace badly infested plants Aphids - ANSWER winged or wingless; tail pipes or bumps on rearend, repro...

Pests - ANSWER Living things that compete with us for food, fiber, or space, or attack us directly. Insects - ANSWER Have six jointed legs, three body segments. Wings and mouthparts - ANSWER Most important identifiers of insects. Arachnids - ANSWER Eight jointed legs, two body regions, no wings

What are 4 characteristics of an insect? - ANSWER 1) Head 2) Abdomen 3) Thorax 4) Six legs What are the stages in the life cycle of a complete metamorphosis insect? - ANSWER 1) Egg 2) Larvae 3) Pupa 4) Adult What is stippling damage on a plant? - ANSWER A large number of tiny pin-prick feeding lesions caused by mites or other herbivores with piercing/sucking mouth parts

Azalea - ANSWER Gall (Exobasidum) Diag: Symptoms Control: Sanitation; open canopy; prot. Sprays Botrytis Blosssom Blight; Ovulinia Blossom Blight Diag: (Symptoms); Microscopy; Culture Control: Sanitation Camellia - ANSWER Virus Diag: Symptoms Control: Remove plants Crabapple - ANSWER Cedar Apple Rust (Gymnosporangium) Diag: Symptoms; Signs Control: Sanitation and eliminate alternate host; protective spray Dogwood - ANSWER Spot Anthracnose Diag: Symptoms Control: Sanitation Ho...

Disease - ANSWER Abnormal function caused by a continuously irritating agent and expressed by noticeable symptoms Requirements for disease - ANSWER (1) disease agent; (2) susceptible plant; (3) favorite environment Symptom - ANSWER The visible effect produced in or on a plant by the presence of pathogen or disease agent Sign - ANSWER An indication of a disease from direct visibility of the pathogen Examples of Disease Symptoms - ANSWER Spots, blights, cankers, diebacks, stunting...

What are the modes of entry of pesticides into body(4) - ANSWER 1) Oral(MouthTissue) 2) Dermal(Skin) 3) Inhalation(LungsFromBreathing) 4) Ocular(Eyes) What's the difference between Chronic and Acute poisoning/effects - ANSWER CHRONIC - long-term exposure over time; usually long-lasting effects/damage ACUTE - short-term or 1x exposure When is exposure potential greatest - ANSWER During MIXING and LOADING Name the signal words in increasing severity - ANSWER Lowest - CAUTION Mod...