Copper Spot | NC State Extension - North Carolina State University
As the name implies, copper spot appears in small spots, usually less than 3 inches in diameter, that are copper or salmon in color. The disease causes a foliar blight, so distinct lesions or leaf spots are not evident on individual plants.
Copper Spot in Turf - NC State Extension Publications
2024年10月31日 · As the name implies, copper spot appears in small spots, usually less than 3 inches in diameter, that are copper or salmon in color. The disease causes a foliar blight, so distinct lesions or leaf spots are not evident on individual plants.
Copper Spot - MU Extension
Copper spot occurs in warm, wet weather on golf putting greens, often in association with and mistaken for dollar spot outbreaks. The disease occurs in small, scattered, roughly round patches 1 to 3 inches in diameter that are salmon- or copper-colored.
Copper Spot (Zonate Leaf Spot) | Penn State Turfgrass Pest …
Copper spot, also known as zonate leaf spot, primarily affects Agrostis spp. It is particularly common in A. canina (velvet bentgrass) and A. capillaris (colonial bentgrass) in the northeastern United States.
Leaf Spot Diseases of Turf - Center for Agriculture, Food, and the ...
Copper spot occurs in warm, wet weather as scattered, circular patches 1-3 in. in diameter that are salmon to copper color. Individual blades exhibit small red to brown lesions which may coalesce to blight the entire leaf. Copper spot can cause severe thinning, but …
Copper Spot - Bioadvanced
Copper Spot is a fungal disease that impacts Bentgrass lawns. It appears as small pinkish-orange to copper spots that are 1 to 3 inches wide and eventually enlarge and darken. Grass blades within the "spots" are dead; however, grass in the center of circles may recover, creating rings.
Identification and Management of Turfgrass Diseases, Page 06
Copper spot is a foliar disease of bentgrass, with severest outbreaks occurring on velvet bentgrass. It also occurs sporadically on creeping bentgrass greens and higher cut creeping bentgrass tees and fairways. Gloeocercospora sorghi causes a leaf spot of bermudagrass and zoysiagrass as well.
Leaf spot diseases of trees and shrubs | UMN Extension
Most leaf spot diseases are caused by fungi, but a few diseases are caused by bacteria or other pathogens. Many pathogens are somewhat host-specific and will only cause disease on trees in the same family. Almost all trees and shrubs are susceptible to one or more leaf spot diseases.
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Copper Spot - SFMA
Environmental Conditions: Copper spot can occur from April to September in warm, humid weather. Symptoms: Copper spot is characterized by small spots that are copper or salmon in color. It is a foliar disease that covers leaf blades with a …
Copper Spot - Landscape Supply
Copper spot is a foliar disease of bentgrass, with severest outbreaks occurring on velvet bentgrass. It also occurs sporadically on creeping bentgrass greens and higher cut creeping bentgrass tees and fairways. Gloeocercospora sorghi causes a leaf spot of bermudagrass and zoysiagrass as well.