Here’s what makes them so different and what you should know before placing your golf bets. If you have trouble accessing this page because of a disability, please contact Turfgrass Science at Purdue University at kkalbaug@purdue.edu. Most common in shade and/or wet or irrigated areas. Desired species should fill in if patches are not too large. Rough (also called roughstalk) bluegrass (Poa trivialis) has a relatively limited adaptation as a turf species because of intolerance to heat, drought, and traffic.It is also very patchy in appearance and therefore does not perform well in mixtures. You can find all of our tips in our archive. Similar Species Fescue, Fine species Festuca spp. Poa-annua, Poa trivialis, and all other noxious and unacceptable weed seeds. They are everywhere and difficult to eradicate, but you can do it with some long term work. For modern golf courses, the optimal grass of choice is bentgrass. It features shallow roots and will develop a short seed head early very early in the season, usually around Springtime. Green speeds can vary a lot according to grain direction. Uniform dense turf. Cultural management and growing environments are most important to consider in controlling rough bluegrass. Dark green color. Click Variety Name to Download the Tech Sheet: Sabre 3 - Poa Trivialis standard for overseeding performance. Any time you can get bentgrass greens, that just means one less factor.”. Poa annua) and rough bluegrass (Poa trivialis) are common weeds on golf courses, but are now becoming a problem on highly maintained lawns and athletic fields. It’s so inconsistent.” Tyrell Hatton. Nobody purchases poa seed for greens. I've sprayed Tenacity 3 times in the last 2 months. One of the main distinctions of poa is it can often contain different kinds that get mixed together (there are over 500 varietals). Both of these grasses are considered weeds because they are lighter colored than Kentucky bluegrass and perennial ryegrass. There are various different types of bentgrasses which combine to produce various cultivars of bent. Poa annua is considered an invasive species which will thrive in cooler, moist climates. The repeated applications at the low labeled rate provided us with an excellent reduction of Poa annua, Poa trivialis, and Common Bermuda (on the practice football test area). Poa trivialis is almost diabolically difficult to control because it can lay dormant for long periods. Augusta National – bentgrass Bent grass has invaded my lawn but I’m controlling it with Tenacity. Bentgrass - likes: sun, heat, cold. Without removing the existing turf and starting fresh, it is difficult to impossible to … 3 Bentgrass is always preferable to Poa. We look for varieties with resistance to disease and pests. Moreover, they both Poa annua: a winter annual that is lighter, more apple green than other lawn species. It is drought sensitive but tolerates a large range of soil humidity, though it prefers normally drained to cool soils. Darkhorse - Dark green color, disease resistance, rapid establishment, and superior turf performance. The key characteristic of bent is having very small, very fine blades that grow particularly densely together which, when mown very short, will provide an incredibly smooth putting surface. Required fields are marked *. Controlling rough bluegrass in a shady, damp locale likely is impossible, as it will outcompete other turfgrasses. We are the #1 golf betting blog. LINK: Golf Courses On the PGA Tour With Paspalum Grass. Because of the strong resistance to hot and humid temperatures, it is a definite favourite on courses in tropical climates. Both have a tendency to die the ball in. Fast germination. Actually this combination will normally produce an 80% poa trivialis overseeding due to a slow establishment period for bentgrass. I just try to get through the west coast and get over here (Florida) to start making some money”, LINK: Golf Courses On the PGA Tour With Bermuda Grass. Dislikes: Heat, Cold and prone to disease. It means hitting the ball much harder than otherwise when putting against the grain (and uphill too) or being incredibly delicate with anything down grain and downhill. Balls will accelerate downhill and be easily knocked off course uphill. More specifically seashore paspalum, a favourite of golf courses in Asia and Central America, especially when located next to the sea or to a coastal environment. Quasar Poa trivialis - Southern overseeding or heavy shade. Bentgrass, Creeping Agrostis stolonifera Bluegrass, Annual Poa annua Herbicidal Control Options Preemergence: Dimethenamid-p Post Emergence: Bispyribac-sodium, Foramsulfuron, Sulfosulfuron, Trifloxysulfuron Please note: one or more of these active ingredients may exist in combination-type brand name products. These weeds are important to distinguish because they require different controls. It nearly always keeps its green colour in all conditions and has a strong resistance to higher than average salinity levels. Ligule abrupt, sheath strongly compressed = Canada bluegrass (Poa compressa) 5. What is it about the grass that makes some golfers play better on some courses and not on others? Bentgrass vs. Poa: There is a difference! Your email address will not be published. Poa annua greens won’t feature the same kind of grain as bermuda does and when it gets dry it tends to go straw-coloured or brown either overall or in certain areas. Bent grasses often experience problems when exposed to heat, has issues with disease, and needs to have large amounts of time and effort put into aerating, watering and treating with fungicides. The benefits of zoysia include tolerance to insects and disease combined with lower maintenance and the need for chemicals for additional nutrient-boosting. By far the most interesting of all types of grass. Poa annua (annual bluegrass), Poa trivialis (rough bluegrass) and creeping bentgrass are becoming common weeds in athletic fields and lawns. Creeping bentgrass is a vigorous perennial that will grow over the top of other cool-season lawn grasses. Current control is with 2 to 3 applications of Roundup followed by reseeding. 5. A A A A AAaa 60 70 80 r 8 WAE B 30 40 50 % cove C b b 0 10 20 ccc c 1.5 oz/A W AE 1.5 oz/A W AE 3.0 oz/A W AE 3.0 oz/A W AE t y 0.125 + 4 WAE n ty