Biology 4218A Study Guide - Midterm Guide: Verticillium, Lightning, Ethylene
17 Jan 2014
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Pytopathology phyto = plant, pathos = suffering/disease, logos = the study of. Symptoms are the plant"s response to disease. Symptoms reflect the physiological function of the plant that is disrupted or impaired. Disease can be categorized according to their symptoms e. g. root rots, fruit spots, vascular wilts, abnormal growth, leaf spots. Homework assignment aps. net. org plant disease diagnosis; review to this lecture. Disease diagnosis order: know what is normal, know what is possible: Seek out literature that categorizes disease by host. Aps compendia on disease of specific hosts. Pnw online guide to plant disease control: collect background info: Identity of host cultivar (plant produced in cultivation via selective breeding) Planting date and environmental conditions at planting. Disease history: description of first sumptoms, when first noted, spread, specific factors associated with disease appearance. Cultural practices, chemicals, and dates of application. Weather conditions during season and period of disease development: check symptoms, observe patterns and 6.
