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Pythium root diseases in rain-soaked areas A. Pythium root rot symptoms appearing as a diffuse thinning on a putting green. B. Numerous oospores in affected root tissue.

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June 4, 2026: Entering the Cauldron

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Poorly performing lawns in spring are not always disease related A. Homeowner submitted sample showing uneven green driven by Kentucky bluegrass cultivar differences. B. Devoid areas with winter annual invasion likely the result of prior year crabgrass infestation.

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May 4, 2026: Spring Hits the Brakes

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Irrigation - Stark differences between golf and lawn A. Golf putting greens are planted on a “big pot” filled with sand and pea gravel. B. Conversely, home lawns are planted on little topsoil and mostly subsoil with fine pore space.

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April 13, 2026: Spring Marching into Madness

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Fall Dollar Spot Spark A. Alternating healthy and dollar spot affected stripes from fungicide treated vs. non-treated creeping bentgrass plots. B. Dollar spot outbreak on a Kentucky bluegrass lawn.

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September 25, 2025: On a Bumpy Mend

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Summer patch on bluegrass and bentgrass A. Summer patch + heat stress on bentgrass green. Inset - ETRI in roots. B. Summer patch symptoms on Kentucky bluegrass rough. Inset - Individual plant symptom.

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August 26, 2025: Cool Breeze Offers Some Ease

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Root issues on a newly grassed bentgrass putting green. Pythium root dysfunction and root knot nematode attacking at the same time.

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July 30, 2025: The Fuel & The Fire

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Rhizattackin’ tall fescue lawns in July A. Photo sent in by homeowner with characteristic brown patch lesions. B. Irrigated tall fescue lawn hit hard with brown patch symptoms.

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July 9, 2025: Rhizattackin’

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Rain more widespread throughout the region A. First half of June has delivered widespread and considerable rainfall totals. - MRCC B. Above average rain chances expected to continue through June. - NOAA

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June 19, 2025: Storms before the Storm

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Rain down south; sparser in NE Indiana A. Rainfall again heavy in the southern part of the state and through KY. - NOAA B. Above average rain chances expected for much of the region to end May. - NOAA

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May 21, 2025: Engines Running

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September ran warm and dry until Helene hit. Summer like temperatures ran into September.. — MRCC Impact of Helene apparent in this graphic. — MRCC

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October 2, 2024: Functions of Fall

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September 12, 2024: Fall Armyworms, Again?

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Leaf Spot/Melting Out on Kentucky bluegrass A. Kentucky bluegrass lawns have been hit with severe leaf spot this season. B. Cigar shaped, dark spores of the leaf spot pathogen covering lower leaves. 
Inset - Dark spores produced by a leaf spot pathogen.

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August 28,2024: Last Spark of Summer

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A bit of pre-field day calamity from sustained early morning 75 mph winds didn’t halt the learning at this year’s field day event.

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August 7, 2024: Peak of the Season

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Lethal Combo - Brown Patch & Pythium A. Fungicide treated tall fescue on the left vs. untreated on right. B. Mycelium noted in early morning due along with characteristic brown patch lesions. Inset: Microscopic view of Pythium and Rhizoc attacking in harmony.

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July 12, 2024: Beryl Brings Post 4th Fireworks

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