Week_3A_Plant_diseas - February 5 Plant Diseases I Food and Famine HDThurston HDThurston 40%and75%oftheworlds_production Black pod

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February 5 Plant Diseases I Food and Famine
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HDThurston
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HDThurston
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Fungus diseases take between 40% and 75% of the world’s ____________ production before it ever gets harvested
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HDThurston Black pod disease    (Phytophthora palmivora)
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Frosty Pod Disease HDThurston, Cornell
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Control diseases of _______ with   copper fungicides - an expensive    proposition for peasant farmers No disease resistant varieties
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DOCTRINE  OF  SIGNATURES Toads cause warts Carrots cause  jaundice
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Larkin brothers Kilty Aidan Cathal
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WEFry, Cornell Univ.
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Anton deBary identified the cause as  Phytophthora infestans
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Phytophthora infestans
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Potato Blight in Ireland: Contributing Factors A. Cull piles near fields
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Potato Blight in Ireland: Contributing Factors A. Cull piles near fields B. Genetically uniform crop
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Potato Blight in Ireland: Contributing Factors A. Cull piles near fields B. Genetically uniform crop C. Favorable weather
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Contributing Factors
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This note was uploaded on 05/04/2009 for the course PLPA 2010 taught by Professor Hudler during the Spring '08 term at Cornell University (Engineering School).

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Week_3A_Plant_diseas - February 5 Plant Diseases I Food and Famine HDThurston HDThurston 40%and75%oftheworlds_production Black pod

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