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2. Dollar spot - Wikipedia

   en.wikipedia.org/wiki/Dollar_spot

   Dollar spot. Dollar spot is a fungal disease of turfgrass caused by the four species in the genus Clarireedia, in the family Rutstroemiaceae. [1] The pathogen blights leaf tissues but does not affect turf grass roots or crowns. There is evidence that a fungal mycotoxin produced by the pathogen may cause root damage, including necrosis of the ...

3. Turf necrotic ring spot - Wikipedia

   en.wikipedia.org/wiki/Turf_necrotic_ring_spot

   Turf necrotic ring spot is known to infect various bluegrass and turfgrass species, especially the cool-season grasses. The fungus also infects fescues and bentgrasses (11). It is common in sodded lawns, rapidly growing lawns, and lawns with layered soil (3). The pathogen produces circular patches of bald spots that are tan or yellow in color (12).

4. Leaf spot - Wikipedia

   en.wikipedia.org/wiki/Leaf_spot

   A leaf spot is a limited, discoloured, diseased area of a leaf that is caused by fungal, bacterial or viral plant diseases, or by injuries from nematodes, insects, environmental factors, toxicity or herbicides. These discoloured spots or lesions often have a centre of necrosis (cell death). [1] Symptoms can overlap across causal agents, however ...

5. Diplocarpon rosae - Wikipedia

   en.wikipedia.org/wiki/Diplocarpon_rosae

   F.A.Wolf (1912) Diplocarpon rosae is a fungus that creates the rose black spot disease. [1] Because it was observed by people of various countries around the same time (around 1830), the nomenclature for the fungus varied with about 25 different names. The asexual stage is now known to be Marssonina rosae, while the sexual and most common stage ...

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7. Nectria cinnabarina - Wikipedia

   en.wikipedia.org/wiki/Nectria_cinnabarina

   Nectria cinnabarina, also known as coral spot, is a weak pathogen of broadleaf trees. While beech is the main host, the parasite can also affect Sycamore, Horse Chestnut, and Hornbeam. This pathogen usually affects trees that have already been weakened as a result of stressful factors, such as drought or fungal infestation.