Ornamental and Turf Pesticide Applicators exam

Ornamental and Turf Pesticide Applicators exam How can tiny mites on junipers and evergreens be found? - ANS They can be found by tapping the leaves against a white index card several times What is Phytotoxicity? - ANS Plant damage caused by pesticides Resistance from pesticides comes from... - ANS Using the same pesticide over and over again Pesticides in the soil... - ANS Are eventually broken down by bacteria and fungi When should you apply a pesticide? - ANS When pests are abundant enough to cause unacceptable damage In an IPM program you should... - ANS Produce healthy plants that can resist pests Which is true? - ANS Different diseases and insects can cause the same symptoms Which is false? - ANS Record keeping takes more time than it is worth What is Thatch? - ANS The layer of living and dead plant stems, leaves, and roots that develops between the soil surface and green vegetation What does proper mowing mean? - ANS Using sharp 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 is false? - ANS Thatch should be a least 2 inches thick to keep soil cool Cool-season cultivars... - ANS Can be mixed to minimize disease Good soil drainage... - ANS Promotes healthy turfgrass Which is false? - ANS Do not fertilize turf that is infected with Dollar spot What are some characteristics of cutworms? - ANS 1.) They attack turf 2.) They hide in burrows (or aeration holes) during the day and at night they clip the turf surrounding the burrow, resulting in brown streaks or circles on the lawn What are some characteristics of Armyworms? - ANS 1.) The fall army worm and yellow striped army worm are more commonly found in the southern and transition turf ones. 2.) The sometimes feed together and "mow" the turf 3.) Has continuous generations through the year What are some characteristics of Sod Webworms? - ANS 1.) Use soap and water method to find webworms