Chlorosis

Brian Hudelson, UW-Madison Plant Pathology, UW-Extension Revised:  1/8/2012 Item number:  XHT1002 What is chlorosis?  Chlorosis is a common nutritional disorder of many woody ornamentals in Wisconsin, particularly in the southern and eastern parts of the state.  Pin oaks are most commonly affected by chlorosis, although many other trees and shrubs (e.g., white oak, red maple, […]

Turf Diseases of the Great Lakes Region

S.W. Abler, G. Jung Revised:  5/11/2010 Item number:  A3187 Want to know what’s ailing your lawn, park, or golf course turf and how to cure it? Turn to Turf Diseases of the Great Lakes Region. Click here to view this 32-page publication which is packed with crisp color close-ups and detailed descriptions to help you […]

Managing Turfgrass Pests in Wisconsin

Chris Williamson, John Stier, Jeff Gregos, Roger Flashinski Revised:  5/11/2010 Item number:  A3714 Turfgrasses cover more than 30 million acres in the United States. The majority of this acreage is comprised of over 50 million lawns, the remainder is divided among golf courses, athletic fields, sod farms, cemeteries, and other related sites. In its many […]

Typhula Blight

Typhula blight, also known as gray or speckled snow mold, is a fungal disease affecting all cool season turf grasses grown in areas with prolonged snow cover. These grasses are widely used in residential lawns and golf courses in Wisconsin and elsewhere in the Midwest. This factsheet describes how to manage this common fungus.

Fairy Rings

Fairy rings are circular areas of abnormal turf growth that are most commonly found on lawns and golf courses where soils have high levels of organic matter, and in areas where trees have recently been removed. Due to their mysterious, circular appearance, medieval lore described them as caused when a band of fairies had danced in an area. Learn what to do if fairy rings appear in your lawn in this concise factsheet.

Microdochium Patch

Sarah Rosenthal*, UW-Plant Breeding and Plant Genetics and Geunhwa Jung, formerly of UW-Plant Pathology Revised:  5/11/2010 Item number:  XHT1145 What is Microdochium patch?  Microdochium patch, also known as pink snow mold, is a fungal disease affecting cool season grasses such as annual, Kentucky, and rough bluegrass; colonial, velvet, and creeping bentgrass; perennial ryegrass; and fine […]

Helminthosporium Turf Diseases

Hye Sook Kim* and Brian Hudelson, UW-Plant Pathology; Geunhwa Jung, University of Massachusetts Amherst-Plant, Soil and Insect Sciences Revised:  5/11/2010 Item number:  XHT1150 What are Helminthosporium turf diseases?  Helminthosporium diseases of turf are a group of common, cool season turfgrass diseases (including Helminthosporium leaf spot and melting out) that occur throughout North America.  In residential […]

Moss in Lawn

John Stier, UW-Madison Horticulture Revised:  4/30/2010 Item number:  XHT1114 What is moss? Mosses are primitive plants. They have small leaves that help make food from sunlight and carbon dioxide (i.e., they photosynthesize), and root-like structures called rhizoids that anchor the plant. Over 1000 species of moss are currently recognized. Where can mosses grow? Most mosses […]

Red Thread

Benjamin Van Ryzin, UW-Madison Plant Pathology Revised:  6/23/2013 Item number:  XHT1233 What is red thread?  Red thread is a foliar disease of cool-season turfgrasses.  Grass species affected by this disease include fine fescues (the species most commonly affected), tall fescue, perennial ryegrass and Kentucky bluegrass.  These grasses are commonly used for home lawns, golf course […]

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