Ohio State University Extension Bulletin

Disease Control in the Landscape

Bulletin 614

Authors

Department of Plant Pathology
The Ohio State University
C. Wayne Ellett
Michael A. Ellis
Steven T. Nameth
H. A. J. Hoitink
Nancy J. Taylor
Joseph W. Rimelspach

Department of Horticulture and Crop Science
The Ohio State University
James A. Chatfield
Mary Ann Rose

Department of Entomology
The Ohio State University
David J. Shetlar

Chapter 1

What's In This Bulletin?

Chapter 2

General Principles of Plant Health Management
Chronic and Acute Plant Stress

Chapter 3

Diagnosing Plant Health Problems
Using the Plant and Pest Diagnostic Clinic at The Ohio State University
Table 1: Diagnostic Guide for Landscape Plants Exhibiting Nonspecific Symptoms

Chapter 4

Recognizing and Understanding Infectious Plant Diseases
Types of Plant Pathogens
Types of Infectious Plant Diseases of Ornamentals

Chapter 5

Integrated Management Of Ornamental Diseases
Identifying and Understanding the Major Diseases
Cultural Practices and Considerations that Aid in Disease Control
Disease-Resistant Varieties
Table 2: Some plants observed to be resistant to Verticillium wilt
Table 3: Relative resistance of several Juniperus selections to Phomopsis and Kabatina tip blight
Table 4: Selected species and varieties of Crabapple, Juniper, and Hawthorn with resistance to rust diseases
Table 5: Rose varieties reported to have resistance to black spot
Table 6: Some trees and shrubs relatively free of serious or common diseases in the landscape
Table 7: Some herbaceous ornamentals relatively free of common or serious diseases in the landscape
Using Fungicides
Using the Correct Method of Application
Table 8: Fungicides for Controlling Common Diseases of Ornamental Plants

Chapter 6

Common Diseases of Landscape Plants in Ohio

Chapter 7

Specific Diseases of Trees, Shrubs and Ground Covers
Part 2
Part 3

Chapter 8

Specific Diseases of Herbaceous Annuals and Perennials

Useful References

All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status.

Keith L. Smith, Associate Vice President for Ag. Adm. and Director, OSU Extension.

TDD No. 800-589-8292 (Ohio only) or 614-292-1868

Disease Control in the Landscape

Bulletin 614

Authors

Contents