Image
Identification and Management of Turfgrass Diseases, Page 12
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 15
Reviewed
Microdochium patch is most common on new bentgrass greens under cover or in situations where nitrogen fertility was high going into the winter.
Image
Identification and Management of Turfgrass Diseases, Page 18
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 21
Reviewed
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.
Image
Cool-Season Grasses: Lawn Establishment and Renovation
Reviewed
Learn how to successfully establish or renovate cool-season grass lawns with proper soil preparation, seeding techniques, and essential fertilization steps.
Image
Grasses in Shade: Establishing and Maintaining Lawns in Low Light
Reviewed
Learn how to establish and maintain healthy lawns in shaded areas, including grass selection, tree pruning, and proper lawn care techniques.
Image
Identification and Management of Turfgrass Diseases, Page 04
Reviewed
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.
Image
Cool-Season Grass Cultivars for Athletic Fields
Reviewed
This guide provides turfgrass recommendations for athletic fields, emphasizing irrigation, traffic-tolerant cultivars, and effective seeding methods.
Image
Identification and Management of Turfgrass Diseases, Page 07
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 10
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 13
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 16
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 19
Reviewed
Spring dead spot is a destructive disease of common bermudagrass and bermudagrass hybrids throughout the northern range of its adaptation in the U.S.
Image
Identification and Management of Turfgrass Diseases, Page 22
Reviewed
Yellow patch is a cool-season disease that occurs on bentgrass and annual bluegrass putting greens and sometimes on higher-gut Kentucky bluegrass.
Image
Pecan Pest Management: Insects and Diseases
Reviewed
This guide details pecan insect pests and diseases that can cause economic losses to Missouri producers.
Image
Identification and Management of Turfgrass Diseases, Page 02
Reviewed
Learn to diagnose turfgrass diseases by identifying host plants, assessing environmental conditions, and observing damage patterns for effective management.
Image
Turfgrass Disease Control
Revised
Image
Identification and Management of Turfgrass Diseases, Page 05
Reviewed
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.
Image
Common Weed Seedlings of the North Central States
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 08
Reviewed
Learn to identify and manage dollar spot, a common turfgrass disease affecting bentgrass and bluegrass, with symptoms, conditions, and control methods.
Image
Identification and Management of Turfgrass Diseases
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 11
Reviewed
Gray leaf spot, also called blast, occurs in most areas of the country where perennial ryegrass is grown. Disease development is sporadic with little or no disease development in some years. Nevertheless, the potential destructiveness of gray leaf spot forces many turfgrass managers to apply preventive fungicide applications every year.
Image
Identification and Management of Turfgrass Diseases, Page 14
Reviewed
Rhizoctonia zeae forms pink to orange bulbils (resting structures). The fungus has been observed with increasing frequency since the early 2000s.
Image
Identification and Management of Turfgrass Diseases, Page 17
Reviewed
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.
Image
Identification and Management of Turfgrass Diseases, Page 20
Reviewed
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