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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]
Fungicides can be applied during the infection periods of Pythium volutum to reduce the occurrence of infection of creeping bentgrass. In fact, both cultural and chemical methods of management should be used in tandem for most effective results. [5] Fungicides work by killing the fungi and the fungal spores, effectively managing the disease.
It is able to single out and target turf species that are small in number compared to the dominant species. This can cause the patchy appearance in mixed turf settings. Other severe outbreaks have been known to selectively kill bluegrass when it is invading on a creeping bentgrass putting green (Settle, Martinez-Espinosa, Burpee 2006).
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.
Bentgrass is used in turf applications for its numerous advantages: it can be mowed to a very short length without damage, it can handle a great amount of foot traffic, it has a shallow root system that is thick and dense allowing it to be seeded and grow rather easily, and it has a pleasing, deep green appearance.
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 .
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