There are many different sorts of organism that plant pathologists group together under the general heading of 'plant diseases. Fungi cause problems like powdery mildew, an organism known as an oomycete causes potato blight whilst various viruses cause damage to a large range of crops.
To the gardener, the scientific classification of a disease is of little importance - what he or she needs to know is how to deal with it! This quiz will help you identify the diseases that you are most likely to come across and also give you a few tips for dealing with the various associated problems.
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