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  1. No Access

    Article

    Abstracts 60th annual PAA meeting (Part II)

    J. Landeo, P. R. Rowe, M. Mayer de Scurrah, M. T. Jackson… in American Potato Journal (1976)

  2. No Access

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    Selection for resistance to potato leafhopper in potatoes I.selection methods

    A randomly mated potato (Solarium tuberosum L.) population (3 generations, without selection) derived from clones from several breeding programs, displayed considerable resistance in the field to potato leafhoppe...

    L. L. Sanford, J. P. Sleesman in American Potato Journal (1974)

  3. No Access

    Article

    Genetic variation in a population of tetraploid potatoes: Response to the potato leafhopper and the potato flea beetle

    Progenies from a group of tetraploid parental clones from the USDA potato breeding program were used to investigate variation in resistance to the potato leafhopper,Empoasca fabae (Harris), and the potato flea be...

    L. L. Sanford, J. P. Sleesman in American Potato Journal (1970)

  4. No Access

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    Depression of potato yields by Bordeaux mixture during a dry summer

    Potatoes have been sprayed each summer for the past few years with Bordeaux mixture, DDT, zineb, and combinations of these materials in an effort to discover any possible influence they may have on chip** qu...

    J. D. Wilson, J. P. Sleesman in American Potato Journal (1956)

  5. No Access

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    Control of insects attacking the foliage of potato

    J. P. Sleesman in American Potato Journal (1953)

  6. No Access

    Article

    Disease and insect control on potatoes in Ohio in 1950

    The zinc ethylene bis dithiocarbamate formulations (Dithane and Parzate) under the conditions of these experiments gave better control of early and late blights, and higher yields, than were obtained with most...

    J. D. Wilson, J. P. Sleesman in American Potato Journal (1951)

  7. No Access

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    The differential response of potato varieties to spraying with ddt plus a fixed copper

    J. W. Wilson, J. P. Sleesman in American Potato Journal (1947)

  8. No Access

    Article

    Spray materials and the blooming of potatoes

    J. D. Wilson, J. P. Sleesman in American Potato Journal (1946)

  9. No Access

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    DDT and other new materials for spraying potatoes

    J. P. Sleesman, H. L. Gui, J. D. Wilson in American Potato Journal (1945)

  10. No Access

    Article

    Erie, a late potato adapted to Ohio

    John Bushnell, J. P. Sleesman, F. J. Stevenson in American Potato Journal (1945)

  11. No Access

    Article

    Breeding a potato resistant to the potato leafhopper

    A number of progenies segregated for various degrees of resistance and of tolerance to the potato leafhopper.

    J. P. Sleesman, F. J. Stevenson in American Potato Journal (1941)

  12. No Access

    Article

    Resistance in wild potatoes to attack by the potato leafhopper and the potato flea beetle

    Solanum polyadenium was found to be highly resistant, if not immune, to attack by the potato leafhopper. Three closely related species,S. chacoense, S. commersonii, andS.caldasii also were highly resistant to th...

    J. P Sleesman in American Potato Journal (1940)

  13. No Access

    Article

    Variations in nymphal populations of the potato leafhopper on different varieties of potatoes

    J. P. Sleesman, John Bushnell in American Potato Journal (1937)