What's New

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What’s New

--Updates, Alerts, and News from the PDIO--

April 2026

Two New Fact Sheets Published Online

Link to Cherry Leaf Spot fact sheet

Link to Rose Downy Mildew fact sheet

Screenshot of cherry leaf spot fact sheet   Screenshot of rose downy mildew fact sheet

March 2026

What Happend to My Lawn

white and light brown patches damaged by snow mold in a lawn

Gray snow mold is a common fungal disease in late winter especially after prolonged snow cover. Symptoms appear when snow melts, which including gray or bleached grass blades and reddish brown fungal structure on infected leaves. Linked please find a fact sheet Gray Snow Mold of Turfgrass in Home Lawns. For correct disease diagnoses, please send us samples by following the Sample Submission Guidelines