Search Results - P Ark

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  1. 1

    California orchids: Resistant to some diseases in habitat become susceptible in greenhouse by P Ark

    Published in California Agriculture (1951-02-01)
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    Article


  2. 2

    Streptomycin for plant diseases: Tests indicate streptomycin or dehydrostreptomycin to be effective against plant pathogenic bacteria by P Ark

    Published in California Agriculture (1954-03-01)
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    Article


  3. 3

    Control of walnut blight: Antibiotic and copper formulations tested in modified spray program in experimental plots in Sun Joaquin County by P Ark, F Charles

    Published in California Agriculture (1956-03-01)
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  4. 4

    Walnut blight: Three compounds found effective in prebloom-postbloom spray program by P Ark, C Scott

    Published in California Agriculture (1951-03-01)
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    Article


  5. 5

    Elimination of Crown Gall by P Ark, C Scott

    Published in California Agriculture (1951-07-01)
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    Article


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