This resource links to an illustrated poster of five examples of plant diseases, and briefly explains what plant diseases are and why they are  important to Canadians.  The poster can be directly downloaded as a “pdf” file and viewed directly on a computer screen, or printed out and used as a poster demonstration.  To download, click on the following link:

Plant Pathology in the Classroom. Plants get sick too!

The above poster is also available as a downloadable pdf file of a PowerPoint presentation that contains more explanatory text and, in particular, contains more background and text explaining how plant pathology can be introduced to school curriculum.  This presentation is also entitled:

Plant Pathology in the Classroom.  Plants get Sick Too? 

You will need software such as Adobe® Acrobat® Reader® software to view this pdf file.  This software can be downloaded free.