Defeat Disease

Disease Guide
Learn how to identify and manage the most commonly faced turf diseases on your course.
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White Grubs
These small, white crawlers feed on the roots of turfgrasses, and if not controlled, can destroy root systems, leading to sections of wilting and browning.
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Yellow Patch
Yellow patch affects turfgrasses from fall to spring during cloudy, cool, wet conditions and can be identified by small to medium-sized patches with yellow or reddish-brown margins.
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Red Thread
Red thread can infect turfgrass at any time of the year but is most common during extended periods of humid, rainy weather in late spring and early summer.
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Fusarium
Fusarium typically starts to develop once temperatures cool off in the fall, initially appearing as small, orange to red-brown circular patches.
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Brown Patch
Brown patch is one of the most common turf diseases affecting cool-season grasses, appearing as burnt-looking patches with a distinct ring around their edges along your fairways and on your greens.
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Summer Patch
Summer patch affects multiple turfgrass species and can be especially devastating on golf greens with moderate to high levels of annual bluegrass.
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Leaf Spot
Leaf spot is caused by the fungi Drechslera Spp and Bipolaris Spp, which affect turfgrasses during the spring and fall months when the ground is cool and wet.
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Anthracnose
Anthracnose is a fungal disease that attacks the basal or foliar system of turf and other course greenery, causing foliar blight and/or basal stem rot. Disease appearance varies depending on the area of infection as well as the type of turfgrass.
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Dollar Spot
Dollar spot affects all turfgrasses and can occur anytime between spring and late fall. On close-cut golf turf, dollar spot appears as bleached white or straw-coloured softball-sized patches.
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Snow Mould
Pink and gray snow mould are among the most invasive turf diseases in Canada, affecting cool-season grasses and developing when cold temperatures are accompanied with excess moisture.
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