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Identification and Management of Turfgrass Diseases, Page 17
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Pythium foliar blight is one of the most feared turfgrass diseases, because the disease develops rapidly during periods of high temperature and high relative humidity. If left untreated, extensive loss of turf can occur in a few days.
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Identification and Management of Turfgrass Diseases, Page 20
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Summer patch, sometimes referred to as frogeye patch, is a destructive disease of Kentucky bluegrass maintained for golf course fairways, green surrounds, parks and residential landscapes
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Identification and Management of Turfgrass Diseases, Page 23
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Yellow tuft is a cool-season disease that is commonly observed on creeping bentgrass and intensively managed Kentucky bluegrass.
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Biology and Management of Giant Ragweed
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Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
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Identification and Management of Turfgrass Diseases
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This publication is designed to be a useful reference for diagnosticians, turfgrass managers, industry representatives and others who want to learn how to diagnose and manage common turfgrass diseases caused by plant pathogenic fungi.
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Identification and Management of Turfgrass Diseases, Page 03
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Anthracnose basal rot is a destructive crown rotting disease of creeping bentgrass and annual bluegrass on putting greens. On mixed bentgrass/annual bluegrass putting greens, the causal fungus infects one species or the other but rarely both.
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Identification and Management of Turfgrass Diseases, Page 06
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Copper spot is a foliar disease of bentgrass, with severest outbreaks occurring on velvet bentgrass. It also occurs sporadically on creeping bentgrass greens and higher cut creeping bentgrass tees and fairways. Gloeocercospora sorghi causes a leaf spot of bermudagrass and zoysiagrass as well.
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Identification and Management of Turfgrass Diseases, Page 09
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Drechslera diseases are part of a group of diseases caused by fungi that were once cataloged in the genus Helminthosporium. Over the years, taxonomists have revised the genus Helminthosporium to include the genera Drechslera, Marielliotta, Bipolaris and Exserohilum. This section covers the diseases Drechslera leaf spot and melting-out caused by D. poae and red leaf spot caused by D. erythrospila.
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Facts About Glyphosate-Resistant Weeds
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Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
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Turfgrass Disease Control
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Identification and Management of Turfgrass Diseases, Page 12
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Gray snow mold is a winter turfgrass disease in regions where snow cover persists for long periods. All grasses can be damaged to some extent, but injury is often more severe on annual bluegrass and bentgrass putting greens.
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Identification and Management of Turfgrass Diseases, Page 15
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Microdochium patch is most common on new bentgrass greens under cover or in situations where nitrogen fertility was high going into the winter.
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Identification and Management of Turfgrass Diseases, Page 18
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Rust occurs to some extent on all turfgrasses, but the rust fungi are generally host specific. Rust is most severe on susceptible cultivars of Kentucky bluegrass, tall fescue, perennial ryegrass and zoysiagrass. Rust symptoms usually appear in late August to early September and continue through the fall months.
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Common Weed Seedlings of the North Central States
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Editor’s note
The following abstract describes a publication that is available for purchase from Michigan State Extension. To order this publication, please visit the MSU Extension Bookstore.
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Identification and Management of Turfgrass Diseases, Page 21
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Take-all patch of creeping bentgrass is a soilborne disease caused by a darkly pigmented, ectotrophic root-infecting fungus. The disease is most common on new greens. It also occurs on reconstructed greens, especially when methyl bromide had been used in the renovation.
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Establishment and Care of Zoysiagrass Lawns
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Zoysiagrass is a warm-season grass that grows best in full sun. It can be established in several ways. Learn how to establish and care for a zoysiagrass lawn in this guide.
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Identification and Management of Turfgrass Diseases, Page 04
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Ascochyta leaf blight results in the rapid development of large irregularly shaped, straw-colored patches on Kentucky bluegrass and occasionally on tall fescue and perennial ryegrass during the summer. Because Ascochyta spp. are primarily foliar pathogens, diseased turfgrass usually recovers relatively quickly.
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Identification and Management of Turfgrass Diseases, Page 07
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Dead spot is a disease of new sand-based bentgrass greens or renovated greens where methyl bromide was used in the renovation. The disease first occurs one to four years after construction or renovation, gradually disappearing one to three years after its first occurrence.
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Biology and Management of Common Ragweed
Reviewed
Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
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Natural Lawn Care
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Identification and Management of Turfgrass Diseases, Page 10
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Fairy ring is caused by more than 60 basidiomycete fungi, including those producing the familiar puffballs and toadstools. The rings result from the activities of these fungi growing radially through the thatch or soil, rather than from a direct parasitic relationship with the turfgrass.
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Biology and Management of Horseweed
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Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
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Bermudagrass for Athletic Fields
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Identification and Management of Turfgrass Diseases, Page 13
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Large patch is a cool-season disease of warm-season grasses. Symptoms are most common when these grasses are either entering or coming out of dormancy.