https://www.smturfconsulting.com/home daily 1.0 2026-06-01 https://www.smturfconsulting.com/about daily 0.75 2026-05-31 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/dfd01c3e-90a5-4c92-bd1b-4904a260d189/4d083-1rjli0k-zskchnwykirublw-1.jpeg https://www.smturfconsulting.com/contact daily 0.75 2026-06-01 https://www.smturfconsulting.com/portfolio daily 0.75 2026-05-31 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892281928-XCXO0LEE7YH73YRXUECU/6863B7DB-B254-4996-B80B-DB9A7AD0BF6D.png Portfolio Los Angeles Rams https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/09bb414a-8c7e-43ea-8673-5db4da6a6455/4d083-1rjli0k-zskchnwykirublw-1.jpeg Portfolio Super Bowl https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892411000-BIUSRI2UYP7O3SPP0SXM/653E01CA-737C-480C-BAB5-185A43E7CF03_1_105_c.jpg Portfolio Qualcomm Stadium https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/665a853a-aec7-4eae-92f3-93664ed99942/7491CE29-4399-48E5-9EFC-A248C42605E3_1_105_c.jpeg Portfolio PGA Tour https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892330042-79MHBGSW0G9YAATXXW2L/9C4DF8D3-E961-4F4E-B7CC-4337F96A59F3_1_105_c.jpg Portfolio UCLA Football https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892360285-2SVB58OYV6YUKRXI5V8G/7FF57917-402D-4679-801E-7BAB0DEC498D.jpg Portfolio Los Angeles Rams https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892453390-JKGGD9107DXU3NGA4T0A/IMG_0025.png Portfolio NFL Playoffs https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2ae8239a-8495-4291-9f41-768d44fd736b/86CB77E5-5A8C-4840-8783-259A5D166832_1_105_c.jpeg Portfolio Los Angeles Chargers https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892390155-PLOZBHQYAXT1DGFDFQ36/IHHH7005.png Portfolio USC Football https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892399634-ZWAM6E9XIWJVZEKDM54V/7565034C-C332-4C4F-AA74-8ACA4C0C5EC5_1_105_c.jpg Portfolio PGA Tour https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ce7a10da-4164-4476-b0a5-ed8fe0ee0672/FE951E39-E999-489F-AE13-91858698F816_1_105_c.jpeg Portfolio National Football League/SoFi Stadium https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3bcec20d-4be4-4629-8e96-0ece5cb0e7cf/2FBE711B-0EB1-4119-B6E4-E96465D3C372_1_105_c.jpeg Portfolio USC Baseball https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892480104-4MPRQJRZUQA87DOH7JRU/7FA9F463-550E-4C88-AF9C-2C8683B394AC_1_105_c.jpg Portfolio The Rose Bowl Game https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/dad8c39c-50c8-4513-8dc8-29f5c840fb16/A613C353-C465-4D2B-8569-79B97941C737_1_105_c.jpeg Portfolio USC Golf Teams https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1776892532113-GR0KMBVXZT3V5TMVD46W/FA16D74F-611E-469A-A3A3-347BCF1FC9E3_1_105_c.jpg Portfolio NASCAR/Los Angeles Memorial Coliseum https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/08b2686e-2e02-4bd0-aef2-ddeb895deb30/IMG_9004.jpeg Portfolio Industry Hills Golf Course https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3770b503-d010-4648-9e2c-76700688184f/IMG_8872.jpeg Portfolio Alta Vista Country Club https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ae8d8961-893a-4c46-9c97-0d709efe4da3/IMG_5632.jpeg Portfolio USC Men's and Women's Golf Teams https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/483e6480-813a-47b7-a53a-2a413691befd/UNAP0918.JPG Portfolio Cal Poly Pomona Turfgrass Research Facility https://www.smturfconsulting.com/diseases daily 0.75 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3500f7e1-4661-4489-9734-9afb9beff04b/995EF2F2-04E4-43FA-8CCB-B95F63D297D4_1_105_c.jpeg https://www.smturfconsulting.com/diseases/gsm monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ca0e202b-56f0-4b5a-8dfb-6d08d7a88505/Big+Ber+Golf+Course1.jpeg Disease Library - Grey Snow Mold Sclerotia of Typhula incarnata - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/dbc66d16-e1e6-460c-86f3-c294dbb542f9/Big+Ber+Golf+Course2.jpeg Disease Library - Grey Snow Mold Sclerotia of Typhula incarnata - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/204d68b9-872d-4cd4-b276-cea7c46be89f/Big+Ber+Golf+Course3.jpeg Disease Library - Grey Snow Mold Sclerotia of Typhula incarnata - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/bed3bf9f-0de4-42d4-93fd-f6ef8b166197/Big+Ber+Golf+Course4.jpeg Disease Library - Grey Snow Mold Typhula incarnata symptoms on Kentucky Bluegrass fairway - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/18d807c7-fd27-4aff-ac68-d8df7378d56a/Big+Ber+Golf+Course5.jpeg Disease Library - Grey Snow Mold Typhula incarnata symptoms on Kentucky Bluegrass fairway - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a7bc8c79-b879-4646-b04a-633f44b301b6/Big+Ber+Golf+Course6.jpeg Disease Library - Grey Snow Mold Typhula incarnata symptoms on Kentucky Bluegrass surround - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f287e58e-1824-4478-b7fe-3865a1efc980/Big+Ber+Golf+Course7.jpeg Disease Library - Grey Snow Mold Typhula incarnata sclerotia under dissecting scope - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/915fc875-6419-4e53-9a86-f3d08edf8c91/Big+Ber+Golf+Course8.jpeg Disease Library - Grey Snow Mold Clamp connection of Typhula incarnata under compound microscope - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7e633d8c-bf98-4191-bdb2-da1c8ae8cdab/Big+Ber+Golf+Course9.jpeg Disease Library - Grey Snow Mold Typhula incarnata Mycelium on Kentucky Bluegrass - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/65eab8c9-6287-4262-89f8-9d97c3088a7c/Big+Ber+Golf+Course10.jpeg Disease Library - Grey Snow Mold Clamp connection of Typhula incarnata under compound microscope - Big Bear, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/bd6c9724-943f-4b05-956f-d438a6e1f166/Big+Ber+Golf+Course11.jpeg Disease Library - Grey Snow Mold Symptoms of Typhula incarnata on Kentucky Bluegrass fairway - Big Bear, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/pythium monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3376ca56-ef3d-474d-823e-e88a0511a530/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2830%29.jpeg Disease Library - Pythium Blighted tissue of Hybrid Bermudagrass in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/6a0c75f0-e08f-4d17-83a6-fb445c3af0ef/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2832%29.jpeg Disease Library - Pythium Blighted tissue of Hybrid Bermudagrass in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ecb8c4c5-8d95-4839-8388-a8816fdb5750/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2826%29.jpeg Disease Library - Pythium Dark, greasy appearance of Hybrid Bermudagrass leaf tissue in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ea9ad28d-c6c4-4226-a854-d758bc491688/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2828%29.jpeg Disease Library - Pythium Mycelium production on Hybrid Bermudagrass leaf tissue in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d98a795c-3963-4e54-9c5d-401d8f1d315d/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2829%29.jpeg Disease Library - Pythium Dark, greasy appearance of Hybrid Bermudagrass leaf tissue in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/30eea5e0-5cff-44d9-ab36-6e48153760e9/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2827%29.jpeg Disease Library - Pythium Blighted tissue of Hybrid Bermudagrass in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a3ea4c76-e57e-457d-b432-69e5a47b63c3/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2831%29.jpeg Disease Library - Pythium Blighted tissue of Hybrid Bermudagrass in winter under growth blankets - Los Angeles, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/pam monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/8796f02a-aed7-436f-ab72-6ef1aeb8fa54/IMG_1705%282%29.jpeg Disease Library - Pink Snow Mold Early outbreak symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5e63a743-9b55-4909-8945-307395a0c202/IMG_0144%283%29.jpeg Disease Library - Pink Snow Mold Early outbreak symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/40fd6dc1-c702-49b3-96b3-5d3410bef2d0/IMG_0144%2811%29.jpeg Disease Library - Pink Snow Mold Conidia with 1-3 septa - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2f282a89-6718-4b23-80ce-f613b2d23a98/IMG_0144.jpeg Disease Library - Pink Snow Mold Poa annua green sample after 8 hours incubation - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ddd44c71-33eb-4de2-90bd-5af9ee1b2122/IMG_0144%281%29.jpeg Disease Library - Pink Snow Mold Mycelium production on Poa annua - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/16967cb1-34fc-4e2b-ab93-4347bdc2c09c/IMG_0144%282%29.jpeg Disease Library - Pink Snow Mold Mycelium production after 72 hours incubation on Poa annua green sample - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/47c2d710-2f5e-415a-b44f-1261ae2dcc19/IMG_0144%284%29.jpeg Disease Library - Pink Snow Mold Early outbreak of Microdochium nivale - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3a39bf84-58e4-47d7-8cde-086f22e1a43f/IMG_0144%285%29.jpeg Disease Library - Pink Snow Mold https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/9217653c-d4c1-48ba-b3b0-a36078afa5e1/IMG_0144%286%29.jpeg Disease Library - Pink Snow Mold https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/20cc39f6-08ba-430c-bf7c-0ed2ea55e417/IMG_0144%287%29.jpeg Disease Library - Pink Snow Mold Early outbreak symptoms on Poa annua - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2f23f20e-b9d3-4339-bc90-2004e54883fd/IMG_0144%289%29.jpeg Disease Library - Pink Snow Mold Conidia of Microdochium nivale - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/bbac9e96-dd88-454c-87cb-e858e067395f/IMG_0144%2810%29.jpeg Disease Library - Pink Snow Mold Conidia of Microdochium nivale - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a93b7fba-625b-4848-98b8-a6ec5d566cdb/IMG_1705.jpeg Disease Library - Pink Snow Mold Symptoms on Poa annua putting green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b871b862-af3c-42b7-a1b9-3aa00a39ba12/IMG_1705%281%29.jpeg Disease Library - Pink Snow Mold Waitea patch symptoms (above) next to Pink Snow Mold symptoms (below) on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b7feb57a-b229-4118-9e49-327b0668595f/IMG_1705%283%29.jpeg Disease Library - Pink Snow Mold Symptoms on Poa annua putting green - City of Industry, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/pinkpatch monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2afadff8-acfb-476f-bb7f-b39fea8e947a/IMG_0144%288%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/9ec0aa56-14ed-43e8-9d14-ca36d65958fc/IMG_0144%289%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b3dc8b1f-5bb9-4141-9479-4e4d73b88602/IMG_0144.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/94db4a8c-201e-4d52-b95f-5c0ec6bb1a0b/IMG_0144%281%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e3a910e1-e55a-4c03-8c72-9ebe50fef5a7/IMG_0144%282%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ec0b3a12-319f-468b-8fd1-7393f07c24d3/IMG_0144%283%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a60a39a7-2411-4ff2-920d-99cace551442/IMG_0144%284%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/11271ebe-c165-40fc-965d-bccef84ab024/IMG_0144%285%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/41c98080-ddb2-453e-84cc-77def0223bb3/IMG_0144%286%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/c2619ec0-5a7a-44d1-b3ba-f62dd83400fb/IMG_0144%287%29.jpeg Disease Library - Pink Patch https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/73c93fe4-fd3f-44f7-b9b1-da673a4b80a5/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c.jpeg Disease Library - Pink Patch Red Thread with Pink Patch on Perennial Ryegrass - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/sds monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/13e47235-a659-48a1-b5d0-71054b30f1df/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2817%29.jpeg Disease Library - Spring Dead Spot Patches of dead hybrid bermudagrass in spring - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/296793a9-ea63-475a-aad0-8cb8b8a5d784/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2818%29.jpeg Disease Library - Spring Dead Spot Patches of dead hybrid bermudagrass in spring - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/12c8a12f-e07e-47c8-9e79-a3e119bf85f3/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2819%29.jpeg Disease Library - Spring Dead Spot Necrotic rhizomes of infected Hybrid Bermudagrass - © 2026 Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/c13900f4-26d0-411d-9ed4-aa964a260cc0/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2820%29.jpeg Disease Library - Spring Dead Spot Dark ectotrophic hyphae from infected Hybrid Bermudagrass rhizome under compound microscope - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7f0a893d-404c-47ca-9b60-c81866ba501b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2821%29.jpeg Disease Library - Spring Dead Spot Dark ectotrophic hyphae from infected Hybrid Bermudagrass rhizome under compound microscope - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/fd28822a-0795-43c0-adae-e07c5fabc76e/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2822%29.jpeg Disease Library - Spring Dead Spot Dark ectotrophic hyphae from infected Hybrid Bermudagrass rhizome under compound microscope - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/4b82e85b-b1c5-4de8-bfd2-09af81ba18b9/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2823%29.jpeg Disease Library - Spring Dead Spot Patches of sunken/dead hybrid bermudagrass in spring - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/64a75c01-7031-465c-82c6-eec11a809546/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2824%29.jpeg Disease Library - Spring Dead Spot Patches of sunken/dead hybrid bermudagrass in spring - City of Industry, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/rust monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/21cde023-8b3c-4bd1-8999-e54c05114f52/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c-2.jpeg Disease Library - Rust Spore masses on Kentucky Bluegrass leafblade - Pomona, CA © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5f39101e-fb05-44e4-9821-6ad27f15cd29/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%281%29-2.jpeg Disease Library - Rust Spore masses on Kentucky Bluegrass leafblade - Pomona, CA © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/471ab21e-da2e-4149-92d6-c2c43e12e03d/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%282%29-2.jpeg Disease Library - Rust Spores under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d13ebce6-c1ec-401e-9f02-c2d5a50502e3/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%283%29-2.jpeg Disease Library - Rust Spores under compound microscope - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/sb monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b50a1fb8-5450-450f-9a36-f2d49b3c5dfd/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2814%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Circular patches of affected Tall Fescue in summer - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b17880c5-fc8b-4e9e-a7f1-a32ecf257d3b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2810%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Clamp connection of hyphae under compound microscope - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/65297369-eb22-404d-a320-df89bb98d7c2/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2812%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Circular patches of affected Tall Fescue in summer - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/0e9f36d4-f161-4c7d-a1ce-435085f6afee/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2813%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Sclerotia development in decomposing Tall Fescue leaf tissue - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/237c4b4d-0a88-4a0b-9ea8-4945b3ddf04a/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2815%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Mature sclerotia in thatch layer of Tall Fescue turf - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/87a2d0f5-4629-4433-bd85-73c8196bccf8/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2816%29.jpeg Disease Library - Southern Blight (Sclerotia Blight) Mature sclerotia at soil-turf interface - Pomona, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/tarr monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7c51d385-c197-44b5-8d35-0edec8a334d4/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2814%29.jpeg Disease Library - Take-All Root Rot Symptoms on Hybrid Bermudagrass research plots - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f6d72993-3613-4a11-97c9-a440e3470704/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2813%29.jpeg Disease Library - Take-All Root Rot Symptoms on Hybrid Bermudagrass research plots - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3be673af-09c1-4294-b153-ac3a16f65133/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2812%29.jpeg Disease Library - Take-All Root Rot Infected rhizome of Hybrid Bermudagrass under dissecting microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b55ad811-8a93-45bb-9320-6e6d333c6072/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%284%29.jpeg Disease Library - Take-All Root Rot Puzzle piece shaped hyphopodia - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/4d522868-4a9a-447a-a74f-ea8204554e0e/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%285%29.jpeg Disease Library - Take-All Root Rot Puzzle piece shaped hyphopodia - Pomona, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/334fa0ff-12fb-4114-ba8b-588074b60782/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2810%29.jpeg Disease Library - Take-All Root Rot Infected rhizome of Hybrid Bermudagrass under dissecting microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e1a2d10c-5547-427c-ad51-ec16ee26df3a/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2811%29.jpeg Disease Library - Take-All Root Rot Infected rhizome of Hybrid Bermudagrass under dissecting microscope - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/largepatch monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/0c71e964-eaa2-44e9-b57b-d86d38b6601b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/27b8ffbf-879c-4355-817f-01dc02e25d7e/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%281%29.jpeg Disease Library - Large Patch Symptoms on Tifway 419 - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/055c3375-788d-4d8b-b9c7-5a832b3cf46d/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%282%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - La Verne, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2e2c1845-0e8a-48bb-9667-1df1f0e66e71/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%283%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Chino Hills, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/938c99b2-72a5-4bfa-8ea4-5eb54ec0cc5e/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%284%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Chino Hills, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5225b834-7f56-4a4b-818e-aef0a8cb1675/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%285%29.jpeg Disease Library - Large Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b0183c9d-4189-44d2-9727-dd822c0541ef/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%286%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e82f4ca5-f381-4b10-8878-02b56b3e47b3/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%287%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f2eccf89-c1e1-42f8-b815-2f614b9ee68b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%288%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f21b7a45-4d5b-4907-81d2-05f84280f2a5/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%289%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5a638dbd-71a4-4152-8b6a-19383ae61cdb/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2810%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/38bcab2d-b4e6-4aa0-b2eb-41e0203cb325/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2811%29.jpeg Disease Library - Large Patch Recovery on Tiffany 419 Bermudagrass - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e4ae47f0-51d2-4aaf-b407-06e4193b3090/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2812%29.jpeg Disease Library - Large Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/931a820f-4928-455d-9f9d-8650908c5263/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2813%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Chino Hills, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1a3b5127-7f29-4e57-80b4-782d9656ff30/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Glendora, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/3f2cf0ff-5aac-4dfc-93b3-1128a13732ef/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c%281%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Glendora, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/829df5b6-e6a5-428e-8e01-e2d7569853af/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c%282%29.jpeg Disease Library - Large Patch Symptoms on Kikuyugrass - Glendora, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/brown-patch monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/db98ec37-a62d-4e7d-ae6b-ce6e8b28f05b/555DF2E8-9F2A-4580-B78C-EC51F753E35A_1_105_c.jpeg Disease Library - Brown Patch Mycelium production on hybrid bermudagrass in December under growth blankets - Los Angeles, CA - ©Sean P. McLaughlin https://www.smturfconsulting.com/diseases/leafspot monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/db98ec37-a62d-4e7d-ae6b-ce6e8b28f05b/555DF2E8-9F2A-4580-B78C-EC51F753E35A_1_105_c.jpeg Disease Library - Bipolaris Leaf Spot Mycelium production of Pythium on hybrid bermudagrass in December under growth blankets - Los Angeles, CA - ©Sean P. McLaughlin https://www.smturfconsulting.com/diseases/llb monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f2718d7e-8f84-4828-829e-61cf51e15503/IMG_0144.jpeg Disease Library - Leptosphaerulina Leaf Blight Symptoms of Leptosphaerulina Leaf Blight on Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/9140232a-e137-4810-ba42-5927a4fae0c8/IMG_0144%281%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Symptoms of Leptosphaerulina Leaf Blight on Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/02b529b6-8af1-4963-a39e-6916770a4a97/IMG_0144%282%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Symptoms of Leptosphaerulina Leaf Blight on Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d148a2b1-94d5-4992-8adb-4e0a3a9c2877/IMG_0144%283%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia on leaf tissue of Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/aa4f7f05-f8fe-487c-bc58-a6605a0dc1a0/IMG_0144%284%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia and spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/86b18200-8136-4907-8dce-62d593d9b735/IMG_0144%285%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia and spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/8ab47fcd-3de5-4a2d-b81d-8e7505a4d059/IMG_0144%286%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7aa6fa68-43b9-4dda-92ba-76ea56e5d072/IMG_0144%287%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia and spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/814bc451-dba0-4558-a2cb-d1485e7df507/IMG_0144%288%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia and spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/20f5fd71-74d3-467d-8def-8ab3e99e0d55/IMG_0144%289%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia on leaf tissue of Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/70730e1c-dc38-4a74-ad1b-468c7700636d/IMG_0144%2810%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Symptoms of Leptosphaerulina Leaf Blight on Poa annua - Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/22193352-fffd-4237-9333-4bcfc4a8f7cb/IMG_0144%2811%29.jpeg Disease Library - Leptosphaerulina Leaf Blight Perithecia and spores on Poa annua leaf tissue - Industry, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/summerpatch monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/812278cd-91bc-44d1-a423-bb31b4aa5b85/IMG_0144.jpeg Disease Library - Summer Patch Summer Patch symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/04556dc1-a8cf-469d-a0a1-0d7a116e9879/IMG_0144%281%29.jpeg Disease Library - Summer Patch Summer Patch symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/c94f01ec-b2df-463c-b891-f39037ea21d3/IMG_0144%282%29.jpeg Disease Library - Summer Patch Summer Patch symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ec8a2502-ce0b-4d64-9598-9dae8d798c23/IMG_0144%283%29.jpeg Disease Library - Summer Patch Summer Patch symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/58fd7d8c-c4c0-454c-b932-1e53709edc3f/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c.jpeg Disease Library - Summer Patch Summer Patch symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/waitea monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b8f108b0-4d98-44a2-b891-aca82a3953c3/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c.jpeg Disease Library - Brown Ring/Waitea Patch Irregular yellow rings on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/9f8f4625-256e-43b7-80a5-058d73d4c6e0/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%281%29.jpeg Disease Library - Brown Ring/Waitea Patch Irregular yellow rings on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7f77d2ee-1fe0-49e4-be1f-64134b58446b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%282%29.jpeg Disease Library - Brown Ring/Waitea Patch Mycelium production after 12hr incubation on Poa annua green sample - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e54b74c1-99d2-4f0d-b33e-a8dae3dea4c7/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%283%29.jpeg Disease Library - Brown Ring/Waitea Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5a21dfdb-b534-44b4-884e-1f91ef6e24c1/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%284%29.jpeg Disease Library - Brown Ring/Waitea Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/4024348a-0d5e-42c2-9356-9adb7217591e/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%285%29.jpeg Disease Library - Brown Ring/Waitea Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a78eee1f-d9d5-4450-b7d1-27790cda7787/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%286%29.jpeg Disease Library - Brown Ring/Waitea Patch Right-angled branching of hyphae under compound microscope - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/da473dca-f122-43aa-b28b-b4afbf81610a/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%288%29.jpeg Disease Library - Brown Ring/Waitea Patch Brown Ring Patch (left) and Pink Snow Mold (right) symptoms on Poa annua green - City of Industry, CA - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/redthread monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/25319944-2359-4fbd-8f5a-6bded2e5c3ef/IMG_0144%281%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/78c49c6b-543c-44d5-add3-a1591e0c3a05/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%284%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/078cb883-ea4c-4209-b793-b35b534eb462/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%282%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e28d10db-3487-46f7-a078-43ba079b85b4/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%286%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/cb197974-9d52-4ef8-91f2-ed1d04d2f8f1/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%287%29.jpeg Disease Library - Red Thread Overhead symptoms of Red Thread on Perennial Ryegrass Surround - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/86af6817-561e-4da0-8f54-6ecc34d902cd/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%288%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d76d5242-d431-4758-8d8c-76f898ca488c/B62167F4-22E7-4F8A-8CB4-C074E91BE0C8_1_105_c.jpeg Disease Library - Red Thread Red Thread with Pink Patch on Perennial Ryegrass - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7deecc4e-6586-422d-b3f9-64a50b350d02/IMG_0144%282%29-2.jpeg Disease Library - Red Thread Red Thread with Pink Patch on Perennial Ryegrass - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/df89c575-bbef-4bce-b3c5-ca5d826718a8/IMG_0144%283%29.jpeg Disease Library - Red Thread Overhead symptoms of Red Thread on Perennial Ryegrass Surround - Southern California - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/14ddb30d-75a6-4e2d-aa94-17e07d471023/IMG_0144%284%29.jpeg Disease Library - Red Thread Red fungal mycelium on Perennial Ryegrass foliage - Southern California - © Sean P. McLaughlin https://www.smturfconsulting.com/diseases/fairy-ring monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d2e10799-fdcb-4874-a0e8-7340a56e74b0/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2815%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/f587f754-f89e-4b44-ad5d-f87293f90972/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2816%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/70a6b19b-8783-4a6e-8c71-8f85f2f3d237/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2817%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/c886a7b3-fa05-4da5-86e5-afb5c7da4116/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2818%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/b7a86eed-79d8-49ce-b64d-7a409b2375fc/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2819%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/91da0628-d6ac-4685-99d9-1d6041de7893/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2820%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/328d0e86-a97e-4287-9f59-cfe90d318390/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2821%29.jpeg Disease Library - Fairy Ring https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ef74e412-b04a-42f9-a90d-c44c99aecb8b/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2822%29.jpeg Disease Library - Fairy Ring https://www.smturfconsulting.com/diseases/abiotic monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/08486495-1a79-4384-af64-4451009d831d/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2821%29.jpeg Disease Library - Abiotic Diseases Wear damage on NFL football field sideline - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/be34d25e-f842-4bf1-a846-153a91907135/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%286%29.jpeg Disease Library - Abiotic Diseases Hydraulic oil spill on golf course fairway - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a4d5999d-b3cf-47ad-a0bb-465a4a542a45/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%289%29.jpeg Disease Library - Abiotic Diseases Mixed cultivars of Hybrid Bermudagrass on MLB field - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/c736592b-3766-4663-8cae-8a3db078c72c/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2818%29.jpeg Disease Library - Abiotic Diseases Severe drought stress on Poa annua green - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/1038dfa8-c2fb-4e92-9bab-42214835059f/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2811%29.jpeg Disease Library - Abiotic Diseases Sideline traffic on NFL field - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/aa631f48-79d2-4a8f-af9a-930c1d5308fd/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%283%29.jpeg Disease Library - Abiotic Diseases Hydraulic oil spill on golf course green - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d52679fe-67a4-4331-a2c8-0dda0bac6716/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2814%29.jpeg Disease Library - Abiotic Diseases Turf indentations from protective decking - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d021ac0a-c29b-4370-b1fa-33c68ea27b3f/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%284%29.jpeg Disease Library - Abiotic Diseases Collapsed drainage/drought stress on Perennial Ryegrass approach - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/363f32b3-a263-4fff-adfd-d5dbd641f134/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%287%29.jpeg Disease Library - Abiotic Diseases Black layer formation under sod surface on native soil college football field - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/6e4811a6-55df-42ab-80c8-977c2458e9b7/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2810%29.jpeg Disease Library - Abiotic Diseases Shredded Tall Fescue leaf blades from dull rotary mower - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/a72d7d26-3c6f-4cce-8d45-567ba50f5e16/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2812%29.jpeg Disease Library - Abiotic Diseases Moss in creeping bentgrass green - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/5e0e4a62-7733-4881-a3c2-8e92591f5190/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2813%29.jpeg Disease Library - Abiotic Diseases Grease spill on creeping bentgrass - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/839659f4-e947-417e-a4ab-973b87008af6/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2815%29.jpeg Disease Library - Abiotic Diseases Traffic from semi-trucks over turf decking - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/719d3092-c81d-4344-b9be-76660b7d72e6/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2816%29.jpeg Disease Library - Abiotic Diseases Stuck irrigation head - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/eff2cc7a-d53b-4f6d-ae33-7f4b927312d6/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2819%29.jpeg Disease Library - Abiotic Diseases Foot traffic/compaction on Kikuyugrass - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/947844fd-cc29-48eb-bd32-d8ec98b680af/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2820%29.jpeg Disease Library - Abiotic Diseases Hydrophobic conditions on creeping bentgrass green - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/11f83203-6745-47f2-a492-d4bc5013cdbe/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2822%29.jpeg Disease Library - Abiotic Diseases Cold temperature response on Zoysia japonica - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/2dccfaf2-1c5e-42cf-b5fc-9e82cdc35174/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%2823%29.jpeg Disease Library - Abiotic Diseases Fertilizer spill/burn - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/d888403f-a3c0-4de4-9e13-64f213c1b466/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%282%29.jpeg Disease Library - Abiotic Diseases Hurricane wind debris on golf course fairway - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/e868cfea-929f-4440-8ccb-31f0e07901d8/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c%281%29.jpeg Disease Library - Abiotic Diseases Hurricane wind debris on golf course fairway - © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/7219c22b-f0c4-4b94-a00f-ae9ee40380af/611C56FB-CE72-4E6D-8310-730712C96A48_1_105_c.jpeg Disease Library - Abiotic Diseases Irrigation issue on collegiate softball field- © Sean P. McLaughlin https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/8d52cb92-dcd6-4720-8491-1a5f57a109ab/FAA796FB-66F5-47F5-A300-C7962FCD5FFC_1_105_c.jpeg Disease Library - Abiotic Diseases Herbicide damage on Tall Fescue residential lawn- © Sean P. McLaughlin https://www.smturfconsulting.com/blog daily 0.75 2026-06-01 https://www.smturfconsulting.com/blog/cppturf monthly 0.5 2026-06-01 https://images.squarespace-cdn.com/content/v1/69e92bc03df6d65ce4dac73f/ab134403-fe08-482e-91c5-8656292e272b/2026-turf-bowl-2-920x570.jpg