Illinois Pesticide Applicator Turfgrass questions with correct answers

Illinois Pesticide Applicator Turfgrass questions with correct answers IPM for Turf - Correct Answers keeping pests at a level low enough to avoid major damage First step of IPM for turf - Correct Answers developing and maintaining healthy turf healthy turf is obtained through - Correct Answers soil management, turfgrass selection, and proper culture desirable pH level for healthy turf - Correct Answers between 6 and 7 pH pH readings below 6, what can you add? - Correct Answers lime high-pH soils can be fixed by adding? - Correct Answers sulfur or acid forming fertilizer (ammonium sulfate/nitrate or urea) how often should you pH test? - Correct Answers Every 3-5 years How to fix excessively wet soils? - Correct Answers By adding sand, clay or organic matter Name of cool season grasses - Correct Answers Kentucky bluegrass, perennial ryegrass, tall fescue, fine-leaf fescue, and creeping bentgrass Name of warm season grasses - Correct Answers zoysiagrass, bermudagrass, and buffalograss Kentucky blue grass - Correct Answers Most common turfgrass in Illinois; medium tolerance readily recovers, requires well-drained fertile soil in sun Perennial Ryegrass - Correct Answers Commonly mixed with Kentucky bluegrass; particularly useful for overseeding/renovation work becuase it germinates vigorously and strongly Tall Fescue - Correct Answers Commonly used in low maintenance areas like parks or golf course roughs; especially drought and heat tolerant Fine-Leaf Fescues - Correct Answers Often combined with Kentucky bluegrass for use in shady areas; poor to moderate wear tolerance Creeping Bentgrass - Correct Answers smooth, dense turf; primarily used on golf-course greens and tees; high maintenace Zoysiagrass - Correct Answers rugged turfgrass that turns brown during cool and cold weather; warm season grasses Bermudagrass - Correct Answers Grown occasionally in southern Illinois; not able to tolerate cold weather; warm season grasses What is the one-third rule - Correct Answers Never remove more than one-third of the grass blade at mowing How to properly irrigate turfgrass - Correct Answers water to depth of root system; early in the day;well watered turf is attractive to grubs suggested ratios for fertilizers - Correct Answers 3-1-2 or 4-1-2 which is 3 to 4 parts nitrogen to 1 part phosphorus to two parts potassium (N,P,K) best time of year to fertilize - Correct Answers early September with early May second best and if 3rd application necessary then late fall Never apply more than 1 pound of soluble nitrogen per ______ square feet - Correct Answers 1,000 Properly cultivate grass - Correct Answers when turf is actively growing; reduces soil compaction and improves water and grass infiltration. NEVER do when turf stress or weed germinate How often should you scout - Correct Answers 1-2 times per month;beginning when turf turns green in spring Most common turf insects in Illinois - Correct Answers White grubs benefits of mapping - Correct Answers locations of previous pests two ways weeds are commonly controlled - Correct Answers cultural practice and herbicides Never remove more than how much when mowing - Correct Answers one-third overfertilization can cause? - Correct Answers will burn turf, cause roots to develop inadequately, h