Plant and Insect Diagnostic Clinic Update

News Article

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 to ask questions and for updates and more pictures. For more information on a particular disease or insect problem listed, follow the article cited.
 
PLANT DISEASES
 
Coniferous Trees
Rhizosphaera needle cast in various spruce types
Fall needle drop
Environmental / abiotic stress in pine
 
Perennials and Annuals
Phytophthora shoot blight in Lilacs (see article in this issue)
 
INSECTS
 
Coniferous Trees
Spruce spider mites

Authors: 

Lina Rodriguez Salamanca Extension Plant Pathologist and Diagnostician (Program Specialist II)

Dr. Lina Rodriguez Salamanca is an extension plant pathologist and diagnostician with the Iowa State University Plant and Insect Diagnostic Clinic, a member of the North Central Plant Diagnostic Network (NCPDN) and National Plant Diagnostic Netw...