Browsing by Author "Weidhaas, John A."
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- Boxwood in the landscapeRelf, Diane; Appleton, Bonnie L.; Weidhaas, John A.; Wills, Wirt H. (Virginia Cooperative Extension Service, 1989)Describes boxwood and its use in landscaping. Also discusses maintenance, diseases and pests of boxwood.
- Insect Identification Laboratory Annual Report 1983Hilburn, Daniel J.; Ravlin, F. William; Weidhaas, John A. (Virginia Cooperative Extension Service, 1984)This report summarizes the activity of the Insect Identification Laboratory ad Virginia Tech for 1983.
- Right-of-way pest control : a training program for the certification of pesticide applicatorsChappell, William E.; Coartney, James S.; Link, Michael L.; Lamb, Fred M.; Weidhaas, John A. (Virginia Polytechnic Institute and State University. Extension Division, 1979)Rights-of-way maintenance problems may differ within a state or region, but the basic principles are similar in the eastern U.S. Most large rights-of-way applicators operate in ten or more states in one year and operators of ground application equipment frequently work in three or more states during a season. This publication is designed for Virginia,and applicators operating in other states should consult authorities in individual states for specific recommendations and regulations which prevail in that state.