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Thus, in cool-season grasses such as tall fescue and perennial ryegrass, the disease is most severe under high temperatures (highs above 85 °F (29 °C), lows above 60 °F (16 °C)). Conversely, in warm-season grasses such as zoysia, Brown ring patch is most severe in humid weather with moderate temperatures (45–70 °F or 7–21 °C). [ 8 ]
A simple example would be less frequent mowing. It has also been proven that the disease is most devastating in grass cut to a length of between 1/8 and 3/16 of an inch, but less so in grass over 1/4 of an inch in length or longer, which presents an additional argument for limiting mowing.
Agrostis scabra is a perennial bunchgrass growing mainly upright in form to heights of 6–39 in (15–99 cm), but reaching as high as 50 in (130 cm). It has been found growing as high as 12,000 ft (3,658 m) in Colorado. [ 8 ]
Pythium disease, also known as "Pythium blight," "cottony blight," or "grease spot," is a highly destructive turfgrass disease caused by several different Pythium species. All naturally cultivated cool-season turfgrasses are susceptible to Pythium and if conditions are favorable to Pythium it can destroy a whole turfgrass stand in a few days or less. [1]
Agrostis stolonifera (creeping bentgrass, creeping bent, fiorin, spreading bent or carpet bentgrass [3] [4] [5]) is a perennial grass species in the family Poaceae. It is widely used as turf for golf courses .
2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H.It is usually referred to by its ISO common name 2,4-D. [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals, lawn turf, and grassland are relatively unaffected.
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