The following are highlights and updates about samples and questions recently received in the Plant and Insect Diagnostic Clinic. Visit the PIDC's Facebook page for updates and more pictures. For more information on a particular disease or insect problem listed, follow the article (hyperlink) cited.
Plant Diseases and insect damage
The following highlights represent recent sample submissions from fruit, vegetables, and ornamental plants.
Amur Maple, suspected decline, fungal canker
Red oak, tubakia leaf spot, wind damaged petioles
Pin oak, oak vein pocket gall
Oak, lace bug damage
Birch, Septoria leaf spot
Black Hills Spruce, drought stress suspected
Hemlock, rust mites
Pine, Diplodia tip blight
Perennials and Annuals
Boxwood, Volutella canker, and leaf blight
Serviceberry, lace bugs, rust
Ninebark, spider mite damage
Cantaloupe, Alternaria leaf blight
Fruit (small and tree fruit, including hops)
Apple, Cedar-apple Rust
Grape, grape downy mildew, suspected black rot
Hops, Apple Mosaic Virus
Household and Landscape
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