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2. Turf necrotic ring spot - Wikipedia

   en.wikipedia.org/wiki/Turf_necrotic_ring_spot

   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.

3. Pythium volutum - Wikipedia

   en.wikipedia.org/wiki/Pythium_volutum

   When an area of the creeping bentgrass is affected, large dead spots in the turf are seen. [2] These symptoms are most often observed in the summer months when soil and surface temperatures are high. Because Pythium volutum is a root rotting pathogen, the ability of the creeping bentgrass to intake water is inhibited. When soil and surface ...

4. Ophiosphaerella - Wikipedia

   en.wikipedia.org/wiki/Ophiosphaerella

   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]

5. Halo blight - Wikipedia

   en.wikipedia.org/wiki/Halo_blight

   Halo blight causes small water-soaked spots on leaves. These spot progressively turn dark brown and are surrounded by a wide greenish yellow halo. The necrotic spots remain small unlike that of common blight. [4] Similar to foliage symptoms, halo blights causes water-soaked spots on vegetative pods. It also causes streaks along pod sutures.

6. 7 Causes for Brown Spots on a Fiddle Leaf Fig (and How to ...

   www.aol.com/7-causes-brown-spots-fiddle...

   5. Low Humidity. Light brown spots scattered across fiddle leaf fig leaves can be caused by dry air. If the brown spots in question have a pox-like look instead of being in a single area of the ...

7. Bacterial blight (barley) - Wikipedia

   en.wikipedia.org/wiki/Bacterial_blight_(barley)

   The disease is characterized by small, pale green spots or streaks which soon appear water-soaked. The lesions expand and then appear as dry dead spots. The lesions elongate into linear streaks which may eventually extend the full length of the leaf. Lesions rarely occur on the leaf sheath or culm.