The Ohio State University
Dr. Mary Ann Rose, Assistant Professor
Cassandra Sheaffer, Graduate Extension Assistant
The Ohio State University Extension
Mary A. Hoffelt
Thank you to the following people for sharing slides, photographs and information for this publication:
Arlyn W. Evans, Memphis, TN
David Madison, The Ohio Department of Agriculture, Division of Plant Industry
Dr. Nathaniel Hartwig, The Pennsylvania State University
Dr. Mark Loux and Dr. Kent Harrison, The Ohio State University
To obtain a copy of this publication, contact your county Ohio State Extension Office. For out of state orders, contact OSUs Section of Communication and Technology Media Distribution Center in Columbus, Ohio.
James Buratti
Systems Specialist
Communications and Technology
College of Food, Agricultural, and Environmental Sciences
The Ohio State University
Problems or Corrections concerning this internet document should be
directed to buratti.1@osu.edu
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