Lawn and Ornamental 2023/24 Test

Common predators of chinch bugs include - ANSWER-Big eyed bug, ear wig, and anthocorids When treating turf for active chinch bugs a _____________ buffer of the area around the damage should be treated? - ANSWER-5 foot When checking a lawn for presence of chinch bugs, inspect __________________________? - ANSWER-near yellowed areas Chinch bugs adults are __________________? - ANSWER-black with white patches on wings Chinch bugs eggs are laid? - ANSWER-in leaf sheaths or pushed into soft soil Chinch bugs cause injury to turfgrass by? - ANSWER-sucking fluids from crowns, stems, and stolen yellowish brown patches A correctly applied treatment should control chinch bugs for _____________________? - ANSWER-8-10 weeks Two weeks ago you made a proper pesticide application for an active chinch bug application for an active chinch bug infestation. Now the customer is angry because the damaged area has grown larger since your application. What happened? - ANSWER-the eggs hatched causing a secondary infestation. You should have made a second application at the 10 day mark The best way to irrigate an established lawn is ______________? - ANSWER-on an as needed basis To maintain a healthy turfgrass the amount of elemental potassium (K) should be ____________as the amount of nitrogen? - ANSWER-about one half The best approach to weed control is? - ANSWER-healthy, vigorous lawn What is true about a contact herbicide? - ANSWER-only works on sprayed plant parts Pre-emergent herbicides _____________________? - ANSWER-may have to re-apply Systemic herbicides _______________________ - ANSWER-will reach root tubers _____________________________is an example of a selective herbicides? - ANSWER-fluazifop