October 4, 2017
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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
While most trees and shrubs bloom in spring or summer, witch hazels are a notable exception. Common witch hazel (Hamamelis virginiana) blooms from mid-October to early December. Vernal witch hazel (Hamamelis vernalis) and the intermedia witch hazels (hybrids resulting from crosses between Japanese and Chinese witch hazels) flower from early February to late March.
High tunnels are inexpensive, passive solar structures that are designed to extend the growing season and intensify production. While relatively new to agriculture in the United States, high tunnels can increase profits for producers when properly managed.