This web page discusses Pfiesteria piscicida, an organism that has been associated with fish ulceration disease and fish kills. In its toxic state, this organism can reportedly cause dermal ulcerations to fish, possibly...
A useful resource for amateur horticulturists from the University of Minnesota Extension Service, Yard and Garden Clinic. The focus here is on commonly used perennials, grasses, shrubs, and trees in the home garden and...
If Citrus Canker or Apple Scab are on your syllabus -- or worse yet, on your trees -- then this is the Web site for you. The APS Education Center has organized this very helpful online guide of plant diseases. Each...
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