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Necrotic ring spot is a common disease of turf caused by soil borne fungi (Ophiosphaerella korrae) that mainly infects roots (4). It is an important disease as it destroys the appearance of turfgrasses on park, playing fields and golf courses .
Dollar spot is the most common turfgrass disease in North America, with the exception of the Pacific Northwestern United States and Western Canada. [13] When left untreated, dollar spot can reach 90% disease severity and more money is spent per year to manage dollar spot than any other fungal disease. [12]
Turf melting out begins as black to purple spots on the leaf blades. These spots eventually appear on the leaf sheaths. The fungus then begin to move down and invade the crowns and the roots of the plants. From far away, the turf appears yellow or blackish brown. The colors that appear on the turf directly reflect the nitrogen levels in the ...
Related: Katie Santry posts about finding rug buried in lawn. From there, Santry tells PEOPLE exclusively that the family started digging up the rug, and she began recording and sharing the ...
Ophiosphaerella korrae, Ophiosphaerella narmari, and Ophiosphaerella herpotricha affect bermudagrass (Cynodon species), while the latter fungus also causes dead spot in buffalo grass (Bouteloua dactyloides). Ophiosphaerella korrae is a cause of necrotic ring spot in creeping red fescue (Festuca rubra). [3]
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