Ornamental and Turf Pest Control Questions and Answers Already Passed

Ornamental and Turf Pest Control Questions and Answers Already Passed Weeds are plants that grow where they are not wanted, disrupting turf grass uniformity. a. True b. False a Barnyard grass is considered a dicot a. true b. false b Which of the following statements is not true? a. Biennial weeds require two years to complete their life cycle b. Perennial weeds live only three years c. Annual weeds can germinate in spring and fall d. Annuals and perennial include grass and broadleaf weeds b Which of the following cultural practices can have the most impact on controlling annual weeds? a. fertility b. irrigation c. aeration d. mowing d Which of the following statements is not true? a. pre-emergence herbicides should be applied before weed seed germination b. post-emergence herbicides are best applied to young weed seedlings c. pre-emergence herbicides are best used for annual weed control d. post-emergence herbicides require 1/2 inch of water to activate control d What type of herbicide best controls perennial weeds? a. contact herbicide b. selective herbicide c. system herbicide d. pre-emergence herbicide c What is the ideal temperature range in which to apply herbicides? a. Greater than 85°F b. 60-80°F c. 55-65°F d. 75-95°F b Which of the following weeds is not an annual? a. prostrate knotweed b. barnyard grass c. mouse-ear chickweed d. spurge c Which grassy weed spreads by rhizomes? a. bermuda grass b. yellow nutsedge c. goosegrass d. annual bluegrass a Which of the following weeds is a perennial? a. quack grass