36 sites in Pests and Diseases
Center for Plant Health Science Technology
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The scientific support organization for the Plant Protection and Quarantine (PPQ) division of the Animal and Plant Health Inspection Service (APHIS). Works to identify and evaluate pathways used by invasive plant pests and weeds that threaten American agriculture and natural resources.
http://www.cphst.org/
Plant Disease Central
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Detailed descriptions of crop diseases commonly occurring in the western corn belt. Crops covered include corn, sorghum, wheat, soybean, dry bean and sugar beet. University of Nebraska, Lincoln.
http://pdc.unl.edu/
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