ppdl.purdue.edu: The Virtual Plant And Pest Diagnostic Laboratory
Plant and Pest Diagnostic Laboratory (P&PDL) at Purdue University provides rapid and accurate identification of pests and problems associated with plants, as well as ...
pestfacts.org: Rise -- Responsible Industry For A Sound Environment
Facts about pests, the threats they pose to health and safety and how pesticides used to control insects, weeds and pathogens can be used safely and responsibly.
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