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A Method for isolating Pseudomonas mors-prunorum Phages from the Soil


BACTERIOPHAGES active against plant pathogenic bacteria have been isolated from various sources, including diseased plant material1, seed2 and the soil3. We have found the soil beneath diseased cherry, plum, and apricot trees to be a prolific source of phages for Pseudomonas mors-prunorum Wormald, the organism causing the bacterial canker disease of stone fruits. Phages were isolated by the following method.

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  1. 1

    Chester, K. S., Zbl. Bakt. II, 89, 1 (1933).

  2. 2

    Sutton, M. D., and Katznelson, H., Can. J. Bot., 31, 201 (1953).

  3. 3

    Anderson, H. W., Phytopathology, 18, 144 (1928).

  4. 4

    Fredericq, P., C.R. Soc. Biol., Paris, 144, 295 (1950).

  5. 5

    Kleczkowska, J., J. Bact., 50, 71 (1945).

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