NC Pesticide licence Ornamental and Turfgrass Pest Management Exam Questions And Answers

IPM (Integrated Pest Management) - ANS Looking at all topics related to pest control in an organized way. Combines appropriate pest control tactics into a single plan to reduce pests What are the four basic principles of Integrated Pest Management - ANS Produce healthy plants that resist pests, identify the problem, expect some pests and tolerate the damage, use pesticides only when needed. Name four or more tools or techniques that you could use to study a plant problem as you look for pests - ANS Learn the symptoms, use a hand lens, carry an index card, recognize indicator plants, keep records. Partical drift - ANS fine particles move through the air while the pesticide is being applied. Vapor drift - ANS movement of the pesticide in the form of a gas or vapor during or after application. Resistance to pesticides come from? - ANS using the same chemical over and over Pesticides in the soil? - ANS are eventually broken down by bacteria and fungi You should apply a pesticide? - ANS when pests are abundant enough to cause unacceptable damage What hand lens magnification is recommended for insect identification? - ANS 5 to 10 power In an IPM program you should? - ANS produce healthy plants that can resist pests Which of these statements is True? - ANS different diseases and insects can cause the same symptoms. Which of these statements is False? - ANS record keeping takes more time than it is worth. List four of the major cool season grasses? - ANS creeping bent grass, tall fescue, fine fescue, perennial ryegrass. List four of the major warm season grasses? - ANS bermudagrass, centipede grass, bahiagrass, zoysia grass. Certified turf grass seed? - ANS meets standards for low numbers of weed seed. Cultivars - ANS genetically different groups within a species. Three site problems that can contribute to poor turf stands? - ANS drainage, air flow, humidity and shade. Proper mowing means - ANS using sharp mower blades to make a clean cut. To promote healthy turf and reduce disease? - ANS water thoroughly when you first see wilting. When fertilizing? - ANS determine fertilizer need through results of a soil test. Which of these statements is false? - ANS thatch should be at least 2 inches thick to keep soil cool. Cool-season cultivators? - ANS can be mixed to minimize disease. Good soil drainage? - ANS promotes healthy turf turfgrass. Which of these statements is false? - ANS do not fertilize turf grass infected with dollar spot. Developmental stages? - ANS likely to cause problems and which stages are vulnerable to various treatment choices. Grubs and caterpillars - ANS two different types of turf damaging larvae. Larvae - ANS young worm-like stage of beetles and moths. Gradual metamorphosis? - ANS look like small versions of the adult. Complete metamorphosis? - ANS look very different from the adults before they become pupae. Pupae - ANS change into adults. Nymphs - ANS young stages of insects. Cutworm - ANS hide in burrows during the day. At night they clip the turf surrounding the burrow, resulting in brown circles or streaks on the lawn. Armyworm - ANS more commonly found in southern and transition turf zones. Feed together and mow the turf in an ever-expanding front. Billbug - ANS most common in cool-season grasses. Bore into turf grasses u until they are too big to do so. Chinch Bug - ANS associated with cool-season turf grasses especially fine fescues and perennial ryegrass. Japanese Beetle - ANS feeds on roots and organic matter at the soil- thatch junction. Heavily infested turf turns brown in dry weather and may die out in patches. Green June Beetle - ANS does not eat grass roots, the larvae emerge from a central burrow at night to feed on thatch or manure. Masked Chafer - ANS shows drought stress and dead patches that do not recover after irrigation.