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Course Description: This session will teach attendees what to look for in order to make a ?EUR??,,????'??Diagnosis?EUR??,,????'??. The course will examine biotic - living causal agents such as insects, animals, and disease. Also abiotic - non-living causal agents such as elemental deficiencies and toxicities, weather related, water, and soil problems impacting trees. Special concerns associated with trees in turf and PPD ''People Pressure Diseases''. Biography: Susan Sims, owner of Sims Tree Health Specialists and Learning Center, graduated from California Polytechnic University Pomona with a BA in Agricultural Biology and a minor in Plant Pathology and Ornamental Horticulture. Sims is an Agricultural Biologist, a certified, arborist, tree risk assessor, urban forester, California licensed landscape contractor, agriculture advisor and applicator. Susan Sims, Owner, Sims Tree Health Specialists, Inc.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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