Commercial Ornamental Nursery
Donald E. Short, Gary W. Simone and Robert A. Dunn
Edited for this Web page by
Lance S. Osborne
Collins, Janice L., Biological Scientist, EREC, Belle Glade
Dunn, Robert A., Nematologist, University of Florida, IFAS, Gainesville
Henley, Richard W., Horticulturist, University of Florida, CFREC, Apopka
Mizell, Russell F., Entomologist, University of Florida, NFREC, Monticello
Osborne, Lance S., Entomologist, University of Florida, CFREC, Apopka
Pernezny, Ken L., Plant Pathologist, University of Florida, EREC, Belle Glade
Price, James F., Entomologist, University of Florida, GCREC, Bradenton
Short, Donald E., Entomologist, University of Florida, IFAS, Gainesville
Simone, Gary W., Plant Pathologist, University of Florida, IFAS, Gainesville
Waddill, Christine T., Director, Cooperative Extension Service,
University of Florida, IFAS, Gainesville
Department of Entomology and Nematology
Institute of Food and Agricultural Sciences
University of Florida
Gainesville, FL 32611
©2001 University of Florida, Institute of Food and Agricultural Sciences.
Limited quotation from this book in other publications is permitted provided that proper credit is given. All
rights reserved. Published 2001. Printed in the United States of America.
Graphic design, production and cover design by Jane Medley
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The concept of IPM is more than the sum of its preventive and pest management practices. Simply using plant isolation, sanitation, sticky traps and pesticides does not equate to an operative IPM program. IPM requires a conscious commitment to utilizing a broad range of available management options according to a logical strategy that evolves in response to the frequent collection and interpretation of disease, pest and weed incidence data. IPM is a philosophy based upon the systematic and repeated survey of nursery sites by a scout to allow early detection and identification of plant problems. Early detection of a pest or disease can result in less plant loss, higher plant quality, fewer production delays, lower production costs, and ultimately higher nursery profits. Most growers realize that most non-pesticide management options have less and often slower effectiveness in stopping the existing disease/pest outbreak. These non-pesticidal options become useful and cost effective when implemented as part of an IPM nursery strategy — a strategy that constantly evolves and redirects as a result of the efforts of the scout.
The editors wish to express their sincere gratitude to Jane Medley for her design and production of this manual; photographer James Castner; county faculty members Geri Cashion, Elizabeth Felter, Cathy Neal and Roger Newton for project design; typists Ruth Kusky, Jo Ann Dippel and Nancy Sanders; and all contributing authors. Thanks to R.F. Mizell, Cathy Neal and Roger Newton for their critical review of the manual. Special recognition should be given to Dr. James App for his support and encouragement and to Charles Brown of IFAS Educational Media and Services for his editorial review and assistance.
This document is currently under construction. Sections will be added as they are completed. If errors are detected within any portion of this document or you have comments please contact Lance Osborne at: firstname.lastname@example.org.
The Integrated Pest Management Concept
The Scout Decision
Recognizing Plant Disorders
Basic Plant Pathology
Introduction to the Identification of Insects and Related Arthropods - 1999 by P. M. Choate. This link is to a PDF file that takes a significant amount of time to download.
Plant Parasitic Nematodes
Mistaken Identities in the Nursery
Abiotic Plant Problems
Scouting the Nursery -- The Mechanics
Scouting the Nursery for Sound Horticulture
Key Plants / Key Pests
How to Collect and Submit Plant Disease Samples
How to Collect and Submit Insect Samples
How to Collect and Submit Nematode Samples
References for Scout-based IPM Programs in the Nursery
Appendix I: Worker Re-entry Intervals for Common Pesticides used on Nursery-grown Ornamentals
Appendix II: Commercial Laboratories for Plant Problem Diagnosis
Appendix III: IPM Equipment Suppliers
Appendix IV: Microscope and General Lab Supply Vendors
Appendix V: Color Identification Sheets