Illinois Pesticide Applicator Turfgrass 100%correct(GRADED A

IPM for Turf - ANSWER keeping pests at a level low enough to avoid major damage First step of IPM for turf - ANSWER developing and maintaining healthy turf healthy turf is obtained through - ANSWER soil management, turfgrass selection, and proper culture desirable pH level for healthy turf - ANSWER between 6 and 7 pH pH readings below 6, what can you add? - ANSWER lime high-pH soils can be fixed by adding? - ANSWER sulfur or acid forming fertilizer (ammonium sulfate/nitrate or urea) how often should you pH test? - ANSWER Every 3-5 years How to fix excessively wet soils? - ANSWER By adding sand, clay or organic matter Name of cool season grasses - ANSWER Kentucky bluegrass, perennial ryegrass, tall fescue, fine-leaf fescue, and creeping bentgrass Name of warm season grasses - ANSWER zoysiagrass, bermudagrass, and buffalograss Kentucky blue grass - ANSWER Most common turfgrass in Illinois; medium tolerance readily recovers, requires well-drained fertile soil in sun Perennial Ryegrass - ANSWER Commonly mixed with Kentucky bluegrass; particularly useful for overseeding/renovation work becuase it germinates vigorously and strongly Tall Fescue - ANSWER Commonly used in low maintenance areas like parks or golf course roughs; especially drought and heat tolerant Fine-Leaf Fescues - ANSWER Often combined with Kentucky bluegrass for use in shady areas; poor to moderate wear tolerance Creeping Bentgrass - ANSWER smooth, dense turf; primarily used on golf-course greens and tees; high maintenace Zoysiagrass - ANSWER rugged turfgrass that turns brown during cool and cold weather; warm season grasses Bermudagrass - ANSWER Grown occasionally in southern Illinois; not able to tolerate cold weather; warm season grasses What is the one-third rule - ANSWER Never remove more than one-third of the grass blade at mowing How to properly irrigate turfgrass - ANSWER water to depth of root system; early in the day;well watered turf is attractive to grubs suggested ratios for fertilizers - ANSWER 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 - ANSWER early September with early May second best