The Online Gardener's Handbook 2010
Chapter 7: Lawns
Disease Development Calendar for Lawns

Table of Contents

  1. Introduction
  2. Table 13: Disease Development Calendar for Lawns
  3. Learn More

Introduction

Both insects and diseases can attack your lawn, and though their symptoms can be similar, their control measures are quite different. It is important, therefore, that you properly identify the source of your lawn problem.

Diseases are seldom a problem in the average home lawn. They are more often found in lawns which contain a large proportion of fine turfgrasses, such as Kentucky bluegrass or creeping bentgrass, or those which are maintained in top quality appearance. In new subdivisions where lawns are sodded, disease problems usually do not occur until several years after establishment.

Use the following information to identify grass diseases. The table at right shows when damage occurs.

Table 13: Disease Development Calendar for Lawns

Disease Development Calendar for Lawns Ring Patch Diseases, Symptoms Visible Ring Patch Diseases, Pathogen Activity Period Pythium Blight, Symptoms Visible Pythium Blight, Pathogen Activity Period Dollar Spot, Pathogen Activity Period Melting Out, Symptoms Visible Melting Out, Pathogen Activity Period Leaf Spots, Symptoms Visible Leaf Spots, Pathogen Activity Period Brown Patch, Symptoms Visible Brown Patch, Pathogen Activity Period Pink Snow Mould, Fusarium Patch, Symptoms Visible Pink Snow Mould, Fusarium Patch, Pathogen Activity Period Grey Snow Mould, Symptoms Visible Grey Snow Mould, Pathogen Activity Period Grey Snow Mould, Symptoms Visible Grey Snow Mould, Pathogen Activity Period

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For more information:
Toll Free: 1-877-424-1300
E-mail: ag.info.omafra@ontario.ca
Author: OMAFRA Staff
Creation Date: 25 July 2005
Last Reviewed: 29 June 2010