Plant Disease Diagnostics Disclaimer and Definitions Page

Disclaimer:
Information provided in the 'Plant Disease Diagnostics' webpage is intended for use by non-commercial individuals including home-owners, master gardeners, and county agents. This information is available for use at your own risk. Information provided in these pages was provided by a number of different individuals, as well as references. We will try to keep all of the information provided in these pages accurate and up-to-date.


Definitions:
Most common host: These are the host(s) most frequently infected, although a number of other hosts do exist.

Overwintering: The place where an organism survives winter. Overwintering often occurs in plant material or debris, soil, insects, or weeds.

Month(s) of infection: Month(s) of infection listed for each individual disease are based on data and observations made in the Twin Cities region of Minnesota. Month(s) of infection will vary according to environmental conditions (i.e. temperatures and rainfall) and geographic location within the state.

Method(s) of dispersal: The method in which an organism travels from an infected plant to healthy plants. Common methods of dispersal include rain splash, wind, insects, nematodes, mechanical, plant to plant, and through soil.

Infection point(s): Area of the plant where the pathogen initially enters. Common entry points include leaves or needles, stems, branches, flowers, fruit, roots, and the trunk.

Fungicide Recommendations: Fungicides are recommended for homeowner, non-commercial use only. Always read the label before purchasing, opening, or applying. Fungicides should only be applied in conjunction with other control measures. Fungicides must be applied according to the label. Representative trade names may be included along with generic names. This information is supplied with the understanding that no discrimination is intended and no endorsement implied.

Plant Disease Diagnostics
University of Minnesota, Yard and Garden Clinic
Developed (1999) and maintained by
Chad J. Behrendt, Ph.D. and Crystal M. Floyd

For plant disease questions contact the Yard and Garden Line Content Last Updated 09/07/00 View University of Minnesota Disclaimer