References for Arborists, Nursery Workers,
and Landscape Maintenance Workers
Knowing where to obtain information can be helpful
in diagnosing and learning more about plant diseases.
* = highly recommended references
GENERAL PLANT PATHOLOGY REFERENCES
*Agrios, G. N. 1997. Plant pathology.
Academic Press, New York. 635 pp.
Barnett, H. L. and B. B. Hunter. 1972. Illustrated genera of
imperfect fungi. 3rd ed. Burgess Publishing Co. Minneapolis,
Minn. 241 pp. (For use if you have a microscope.)
THE PENNSYLVANIA STATE UNIVERSITY
PUBLICATIONS
Penn State Publication Distribution Office
112 Ag. Admin. Bldg.
University Park, PA 16802
*Scouting and controlling woody ornamental diseases in
landscapes and nurseries. $7.00
This scouting guide has color photos and general control recommendations.
Specific fungicides are not listed.
*Woody ornamental insect, mite, and disease management.
$7.00
This guide covers the biology of the pests and diseases and lists
specific chemical and nonchemical control recommendations.
*Managing diseases, pests, and plant growth in greenhouses.
$9.00
This guide covers the biology of the pests and diseases and lists
specific chemical and nonchemical control recommendations.
PENNSYLVANIA DEPARTMENT OF AGRICULTURE
PUBLICATION
*Regulatory horticulture. Commonwealth
of Pennsylvania, Pennsylvania Department of Agriculture, 2301 N.
Cameron St., Harrisburg, Pa. 17110
WOODY and HERBACEOUS PLANT DISEASE
REFERENCES
How to detect, assess, and correct hazard
trees in recreational areas. 1993. Minnesota Dept. of Natural
Resources-Forestry. St. Paul, Minn. 55155.
Forsberg, J. L. 1979. Diseases of ornamental plants. Special
Publication No. 3. University of Illinois at Urbana-Champaign. 222
pp.
Pirone, P. P. 1978. Diseases and pests of ornamental plants.
John Wiley & Sons, New York. 566 pp.
*Smith-Fiola, D. C. 1995. Pest resistant ornamental plants.
Rutgers Cooperative Extension, 1623 Whitesville Rd., Toms River,
N.J. 08755-9720 . $7.00 + $1.50 per copy for postage and handling.
Checks are payable to Ocean County Board of Agriculture.
*Matheny, N. P., and J. R. Clark. 1994. A photographic
guide to the evaluation of hazard trees in urban areas. International
Society of Arboriculture, Savoy, Ill. 85 pp.
*Sinclair, W. A., H. H. Lyon, and W. T. Johnson. 1987. Diseases
of trees and shrubs. Cornell University Press, Ithaca, New York.
574 pp. (1-800-666-2211)
*Johnson, W. T. and H. H. Lyon. Insects that feed on trees
and shrubs. Cornell University Press. Ithaca, New York. 464
pp. (1-800-666-2211)
APS Press, 3340 Pilot Knob Rd., St. Paul, MN 55121 (1-800-328-7560;
http://www.shopapspress.org/.)
Slide sets are available for each compedium ranging from 68 ($115)
to 307 ($430) slides, depending upon the topic. Compendia of diseases
of:
| Apple and pear |
Nutrient Deficiencies & Toxicities in Crops |
| Blueberry and cranberry |
Ornamental Foliage Plants |
| Chrysanthemums |
Raspberry and blackberry |
| *Conifers |
*Rhododendron and azaleas |
| Disorders of Ornamental Palms |
*Rose Diseases |
| Elm diseases |
Stone fruit |
| *Flowering Potted Plants |
*Turfgrass diseases |
Ball Publishing/GrowerTalks Bookshelf, 335 North River Street, Batavia,
IL 60510.
(1-888-888-0013):
*Diseases of Annuals and Perennials
Bedding Plants IV
Geraniums IV
New Guinea Impatiens
WEB SITES
*Penn State Plant Pathology ornamental and
flower disease fact sheets:
http://www.cas.psu.edu/docs/CASDEPT/PLANT/ext/fact.html
U.S. Forest Service for north central area. links to tree and forest
health publications:
General listing of pubs.:
http://willow.ncfes.umn.edu/fth_pub.htm/
Hazard tree evaluation and excellent photos:
http://willow.ncfes.umn.edu/HT_haz/HT_.haz.htm/
*International Society of Arboriculture information link:
http://www.ag.uiuc.edu/~isa/
Syracuse University course on diseases of trees:
http://www.esf.edu/course/jworrall/default.htm/
*Ohio State University:
http://www.ag.ohio-state.edu/~plantdoc/
*Kansas State University fact sheets:
http://www.ksu.edu/plantpath/extension/facts/
*American Phytopathological Society:
http://www.scisoc.org/
Canadian Phytopathological Society:
http://res.agr.ca/lond/pmrc/cps/cpshome.html/
PLANT DISEASE CLINICS
Pennsylvania
*Plant Disease Clinic
The Pennsylvani State University
Dept. of Plant Pathology
218 Buckhout Lab.
University Park, PA 16802-4507
Obtain a diagnosis form and envelop from your County Cooperative
Extension office. Fill in the form and mail the sample on a day
when it will reach University Park promptly without sitting in a
post office over a weekend. Or, send the sample via overnight delivery
service. General diagnoses are done at no charge. If forwarded to
a commercial lab for virus or other specialized testing, the cost
of that testing is passed on to the client.
Pennsylvania Department of Agriculture, Bureau of Plant Industry,
2301 N. Cameron St., Harrisburg, PA 17120.
Contact your local nursery inspector for a diagnosis or to have
a sample submitted to the lab.
New York
*Plant Disease Diagnostic Lab 607-255-7850
321 Plant Science Building, Dept. PPATH
Cornell University
Ithaca, NY 14853-4203
In and Out of state all pay the same fees: $25 per sample (multiple
samples of same problem can be sent for one fee) except nematode
assays and virus identification which run $40 per sample. Insect
identifications are $25.
New Jersey
*Rutgers Plant Diagnostic Laboratory and Nematode Detection
Service
Samples can be mailed to:
Plant Diagnostic Laboratory
Rutgers Cooperative Extension
PO Box 550
Milltown, NJ 08850-0550
Delivery services should go to:
Plant Diagnostic Laboratory
Rutgers Cooperative Extension
Bldg. 6020, Dudley Road
Cook College
New Brunswick, NJ 08903
New Jersey samples (except turf) $20
Fine turf samples $50
Virus testing $50.
All out-of-state samples $75
Samples should be sent along with a submission form available through
all New Jersey County Extension Offices or by FAX (908-932-1270)
Ohio
*The C. Wayne Ellett Plant and Pest Diagnostic Clinic
2021 Coffey Rd., Room 110, Kottman Hall
The Ohio State University
Columbus, Ohio 43210
Maryland
*Maryland Cooperative Extension Plant Diag. Lab
Department of Entomology
University of Maryland, College Park, MD 20742
Contact the lab for instate fees for samples from arborists and
landscape maintenance companies. A flat fee of $15.00 is charged
all out of state samples.
The Nematode Assay Lab charges a flat fee of $15.00 for soil assay.
The Maryland Department of Agriculture has both entomology and pathology
labs that support the state nursery inspection program. No fees
are charged to do samples from nurseries. Contact Anne Sindermann
for more info. sinderab@mda.state.md.us
Maryland program for home gardeners:
Home and Garden Information Center. This is primarily a telephone
service, but for a $5.00 fee, samples will be examined.
Home and Garden Information Center
12005 Homewod Road
Ellicott City, MD 21042
COMMERCIAL DIAGNOSTIC SERVICES and
DIAGNOSTIC KITS
(contact each to determine what tests are available and the cost
per test)
| Agdia, Inc. |
1-800-622-4342 |
| 30380 County Road 6 |
Internet: testing@agdia.com |
| Elkhart, IN 46514 |
Web site: http://www.agdia.com |
| Samples are tested or the client
can purchase kits to do virus and bacteria diagnoses. |
| Neogen Corp. |
1-800-234-5333 |
| 620 Lesher Place |
| Lansing, MI 48912 |
| Kits are sold for Phytophthora,
Rhizoctonia, and Pythium detection. |
DIAGNOSIS EQUIPMENT and SUPPLIES
Magnifying glasses, pH meters, conductivity
meters, field microscopes:
| Cole-Parmer Instrument Co |
1-800-323-4340 |
| 625 East Bunker Court |
| Vernon Hills, IL 60061-1844 |
Magnifying glasses, pH meters, conductivity meters, field microscopes,
clipboards, GPS instruments, pruning equipment, increment borers,
mapping and data recording supplies, plant presses for drying plant
specimens, Riker mounts for displaying flat specimens:
| Forestry Supplies, Inc. |
1-800-647-5368 |
| P.O. Box 8397 |
| Jackson, MS 39284-8397 |
PESTICIDE REFERENCE MANUAL
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