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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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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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Cool-Season Grass Cultivars for Athletic Fields
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This guide provides turfgrass recommendations for athletic fields, emphasizing irrigation, traffic-tolerant cultivars, and effective seeding methods.
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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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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 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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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, 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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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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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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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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Turfgrass Disease Control
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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.
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Identification and Management of Turfgrass Diseases, Page 16
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Necrotic ring spot is a destructive disease of Kentucky bluegrass, but may also occur on red fescue and annual bluegrass. The disease is particularly damaging to bluegrass.
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Protecting Water Quality During Lawn Establishment and Renovation
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Establishing a healthy lawn enhances your landscape and benefits the environment. Learn best practices to protect water quality during lawn establishment.
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Identification and Management of Turfgrass Diseases, Page 19
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Spring dead spot is a destructive disease of common bermudagrass and bermudagrass hybrids throughout the northern range of its adaptation in the U.S.
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Biology and Management of Common 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, Page 22
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Yellow patch is a cool-season disease that occurs on bentgrass and annual bluegrass putting greens and sometimes on higher-gut Kentucky bluegrass.
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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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Identification and Management of Turfgrass Diseases, Page 02
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Learn to diagnose turfgrass diseases by identifying host plants, assessing environmental conditions, and observing damage patterns for effective management.
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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 05
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Brown patch is a sheath- and leaf-blighting summer disease that is common on tall fescue and bentgrass. It is particularly severe on tall fescue. With increased use of tall fescue in urban and commercial landscapes, brown patch has become a significant management problem.
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Sewer Line Chemical Root Control (Category 5B)
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This manual contains information that applicators must be familiar with to become a certified sewer line root control applicator.
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Selecting Landscape Plants: Flowering Trees
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Discover how to select flowering trees that enhance your landscape with beauty and seasonal interest, including species like the flowering dogwood.