Toro Reel Mower Terminology Reel Mower TERMINOLOGY 09171SL DEFINITION TERMS Aerate Process - English

Reel Mower Terminology Reel Mower TERMINOLOGY Part No. 09171SL DEFINITION OF TERMS Aerate — Process of coring, spiking, slicing, or other methods to introduce air from the atmosphere into the soil and thatch without destruction of the turf; synonymous with aerify. After cut Appearance — The general appearance of the cut path after mowing. This would include both the quality of cut and other subjective measures such as marks, dispersion, streaks, stripes, etc Annual Bluegrass — Annual bluegrass ( POA ANNUA ) is widely dispersed as a winter annual in both cool-season and warm-season turfs.

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It is also used as a perennial turfgrass on intensively cultivated sites in the cool temperate and subarctic climates. Within a few years after establishment, closely mowed and intensively irrigated bentgrass fairways will have some encroachment of annual bluegrass. Annual bluegrass may also become a dominant component of a fairway polystand within five years. Many older golf courses are basically composed of annual bluegrass, primarily the perennial types. -1- Reel Mower Terminology Backlapping– A method to simultaneously sharpen the cutting edges of the reel blades and bedknife. Backlapping is done by reversing the rotation of the reel from the normal mowing direction. A abrasive paste (slurry) is applied the to the rotating reel blades with a long handled brush to aid in the sharpening process. There are different grit pastes and grades depending on need. Bedbar — The supporting structure to which the bedknife is attached. Bedknife Attitude The angle between the bottom of the bedknife and the ground plane under the cutting unit. As the bedknife attitude is changed, it is important that the reel to bedknife shear point changes relative to the center line of the reel. This can change the after cut appearance of the grass. The result may be better or worse depending on several factors. Bedknife attitude is adjusted by changing the height of the front, rear, or both rollers. A height of cut change is NOT necessarily part of a change to the bedknife attitude. A large angle is also referred to as an aggressive bedknife attitude. A small angle (flat attitude) can have most or all of the bedknife riding ON the turf. This can influence after cut appearance. Bedknife — The lower cutting member on a reel type mower. The bedknife is attached to the bedbar, and the assembly is mounted to the main frame in one of two ways. One allows for paralleling and adjusting the bedbar (bedknife) up to the reel, while in others the bedbar is fixed and the paralleling and adjustment are made by moving the reel. -2Bedknife Reel Mower Terminology Bentgrass (cool-season turfgrass) — Creeping bentgrass is the main turfgrass used on greens, tees, and intensively maintained fairways in cool climates. Creeping bentgrass succeeds at cutting heights of less than 0.8 inches (20 mm), mowing at one to two day intervals, heavy irrigation, moderate fertilization and the use of fungicides. Colonial bentgrass is sometimes used with creeping bentgrass as a polystand. Bermudagrass (warm-season turfgrass) — Bermudagrass is adapted to a wide range of soil conditions. Although not very cold tolerant, several new cultivars have been developed which respond better in cooler temperatures. The improved Bermudagrass cultivars have excellent wear, heat, and drought tolerance plus a rapid recuperative rate. Their most common problems are a potential for thatching, shade intolerance, and susceptibility to insect pests.

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