Plant Disease Management - Section 1 exams with complete solutions
Plant Disease Management - Section 1 exams with complete solutions Define Plant Pathology - Correct Answer the scientific study of diseases in plants caused by pathogens and environmental conditions that cause plant disorders Why is Plant Pathology studied? - Correct Answer -Plant diseases reduce yields of food and cash crops, mar ornamental plants, and reduce our ability to shelter and feed ourselves -In some cases, pathogens even produce toxic compounds that poison our food Ex: Aflatoxins -It is impossible to separate plant diseases from the history and culture of humans. Ex: Potato late blight How do you diagnose plant diseases? - Correct Answer disease is the abnormal functioning of an organism. diseases can be categorized by symptoms, microorganisms that affect it, and what exactly the disease effects. What do we need to know about diseases? - Correct Answer - what causes them -how they spread -how we can prevent them -how we can minimize the damage they inflict - first step is diagnosis in addressing the challenge of plant diseases control or management Is a lightning strike a disease or disorder? - Correct Answer a lightning strike is a disorder What is the difference between a disease and a disorder? - Correct Answer A disease is caused by a living factor, but a disorder is something caused by an abiotic factor What is an infectious disease? - Correct Answer - a disease that is caused by a pathogen that can spread from a diseased to a healthy plant - caused by a living organism
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