Category: Disease Reports

Rain, rain go away… threat of saturated soil profiles in the toughest time for cool season turfgrass; four foliar diseases that have been and are now becoming problems. Weather Extraordinarily high temperatures have not been the theme thus far this...

Summer sequel of heat approaches; rainfall chances lessen perhaps furthering flash drought symptoms; brown patch awakens; dollar spot severity heightens; Curious about dollar spot recovery? Join us at Field Day on July 21. Weather After a fairly mild month of...

May temperatures mild before summer heat, Pythium root diseases on bentgrass greens and young fairways, curative options for dollar spot that may have slipped through, wet spring can lead to issues all summer long.             ...

May 2026 hits the brakes on spring; root infection observed on putting greens by soilborne pathogens; constant spring rains = surprise black layer; delayed (or no) spring green up on lawns is not always disease.          ...

Spring well ahead of schedule; the madness of spring irrigation on lawns; soilborne diseases on putting greens over winter; status of dollar spot and soilborne disease prevention on golf greens.                     ...

Drought impacting lawns for a variety of reasons ; dollar spot resurgence on creeping bentgrass and Kentucky bluegrass; scalping and decline in relation to nitrate spikes on putting greens.                      ...

Summer patch hits hard in early August; fall rust outbreaks causing orange shoes; cool temperatures allowing a head start on recovery plans.                                    ...

Pervasive and disease conducive environment; newly grassed bentgrass green issues; basal rot anthracnose on Poa annua and creeping bentgrass; dollar spot and brown patch still rampaging; Lawn Care Diagnostic Training; New Zoysiagrass Field Day Weather Like a boulder chasing down...

Heat & high ET = droughty lawns; brown patch prevalent on irrigated lawns; dollar spot hitting bentgrass fairways with force & lurking on Kentucky bluegrass; 2025 field day in the books; brief pause in turfgrass diagnostic services * Turfgrass diagnostics...

Early summer storms; preparation for impending heat wave; brown patch and leaf spot arrival; zoysia/bermudagrass winterkill and disease activity Weather Yesterday’s storms produced a wallop in the region, with extreme winds felling trees and lodging corn. A wet first half...

Dollar spot off and racing; Irrigation = Ascochyta blight; Seedheads draining lawn health; Mind mowing decks and blades to reduce clipping issues. Weather  In April 2025, Indiana as a whole had the 30th warmest temperature and 10th most precipitation on...

Excessive and in some cases, abusive rainfall amounts; keys to soggy turfgrass management; winter injury potential causes and recovery, red thread, spring golf disease prevention Weather Spring, which officially started on March 20, is rolling along, and into mid-April temperatures...

Snow mold prevention on putting greens; reduced cool season turfgrass disease activity in fall; warm season disease prevention. Weather After a cool start, September turned on the burners and ended 3-5 degrees above normal in the region. Since 1943, September...

Plan for recovery when the heat passes. Brown patch on tall fescue rages on. Silent summer patch pathogen infection roars to life. Complicated leaf spot pathogens one of the stories of the season. Weather            ...

2024 Disease Season reaches its height; recovering from abiotic stresses; perennial ryegrass declines quickly; dollar spot on Kentucky bluegrass intensifies; brown patch looking neither brown nor patchy; algae explosion on putting greens.                ...

Beryl sparks disease activity; Brown patch/Pythium combo on tall fescue; Anthracnose pressure intensifies; Waitea/Rhizoctonia patches form on Poa; Field day next week. Purdue Turfgrass and Landscape Field Day – Next Tuesday, July 16th! The Purdue Turf and Landscape Field Day...

Summer stress temperatures arrive; Drought symptoms arrive in a flash; Leaf spot diseases prevalent in lawns this season; Patch diseases and the role of rhizosphere pH in their suppression.                      ...

Diseases push on the throttle; 1st observation of brown patch on tall fescue; annual bluegrass weevil damage on bentgrass surrounds; foliar anthracnose and localized dry spot on putting greens.                       ...

Spring prep is done; Lawns: Seedhead season; Straight lines normally don’t = disease. Golf Putting Greens: Dollar spot rings in the season; Anthracnose inoculum building and soilborne pathogens lurking. Registration for Purdue Turfgrass & Landscape Field Day open!  Weather The...

Highlights: Wet start to spring = lawns – powdery mildew & fret over wet mower tires; focus on soilborne diseases on golf putting greens. Weather Forgoing May in the popular poem, April showers along with warm temperatures have spurred many...