Pa Pesticide Applicator Exam Lawn And Turf Study Guide Latest Updated

Annual weeds... {Ans: grow, flower, go to seed, and die within 12 months}Sod webworms... {Ans: Spin silk webbing near the soil in turf}What are some of the ways to control Spring dead spot? {Ans: 1.) In areas prone to harsh winters, select less susceptible cultivars. Bermuda grass cultivars with good cold tolerance also tend to be more resistant to spring dead spot 2.) Aerify and dethatch regularly 3.) Stop nitrogen applications to bermuda grass 6 weeks prior to the expected rate of dormancy 4.) Use fertilizer such as ammonium sulfate}What are the guidelines for use of post emergence herbicides? {Ans: 1.) Do not apply post emergence herbicides to newly seeded grass until it has been mowed at least 3 times 2.) Wait 4 to 6 weeks before applying herbicide to a newly sodded area 3.) Do not apply when rain is expected 4.) Try to avoid mowing a treated area for at least 3 days after application 5.) Wait 3 to 4 weeks before seeding bare spots left by killed weeds. Do not seed until the area has received rain or irrigation to break down any herbicide remaining in the soil}How does frequent mowing impact fire