exam 1

exam 1 - what is plant pathology why is plant path so...

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Unformatted text preview: what is plant pathology why is plant path so important Stem Rust of wheat Ergot of Rye brown spot of rice potato late blight coffee rust chesnut blight citrus canker what is plant diseases plant disease is cause by plant diseases are disease disrupts the _ _ in the plant causing harm or de Disease is _ and _ plants respond to disease by the onset of _ or _sympto food relationship signs, examples symptoms, examples types of organisms that cause plant disease Biotic agent abiotic parasites take pathogens take science of plant diseases, the orgs that cause them, the biology and physiological interactions betwe plant disease cause major losses in plant production (food, feed and fiber) 15-20% worldwide or $222 (Puccinia graminis tritici) Oldest recorded disease claviceps purpuea - hallucinogenic factor in Salem witch trials bipolaris oryzae - bc long monsoon, 2 mill people starved to death phytophthora infestans - notorious, cause 1 mill to starve to death, and was cause of irish immigration...
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exam 1 - what is plant pathology why is plant path so...

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