PPPodcast1 - PPPodcast: Week 1 Welcome to the Plants,...

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PPPodcast: Week 1 Welcome to the Plants, Pathogens, and People Podcasts! Each weekly podcast will review a major concept or issue, will clarify a possible point of confusion, and will provide study hints. If you have a comment or suggestion, please email or talk to us! Let’s start with this week’s Major Concept which is the plant disease triangle. The plant disease triangle is a diagrammatic representation of the three fundamental elements required for disease: a susceptible plant, a pathogen capable of causing disease, and a favorable environment. If any of these three elements is missing, no disease occurs. Let’s begin with the plant. Many factors influence a plant’s susceptibility to disease, including its growth stage, its genetic makeup, and stress. These same factors also influence diseases in animals, including people. Symptoms are the expression of disease by a plant in response to the activities of the pathogen. Symptoms may be localized, such as spots on leaves, or systemic,
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This note was uploaded on 04/01/2012 for the course PLPA 200 taught by Professor Darcy during the Spring '08 term at University of Illinois, Urbana Champaign.

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PPPodcast1 - PPPodcast: Week 1 Welcome to the Plants,...

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