Showing 1 - 12 results of 12 for search 'Johnson, Frederick W., 1877-1960', query time: 0.05s Refine Results
  1. 1
    Papers on deciduous fruit insects and insecticides.

    Papers on deciduous fruit insects and insecticides. by Johnson, Frederick W., 1877-1960

    Published 1915
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  2. 2
    The grape leafhopper in the Lake Erie Valley /

    The grape leafhopper in the Lake Erie Valley / by Johnson, Frederick W., 1877-1960

    Published 1914
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  3. 3
    The grape root-worm : with special reference to investigations in the Erie grape belt from 1907 to 1909 /

    The grape root-worm : with special reference to investigations in the Erie grape belt from 1907 to 1909 / by Johnson, Frederick W., 1877-1960

    Published 1910
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  4. 4
    Papers on deciduous fruit insects and insecticides.

    Papers on deciduous fruit insects and insecticides. by Johnson, Frederick W., 1877-1960

    Published 1912
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  5. 5
    The plum curculio (Conotrachelus nenuphar Herbst.) /

    The plum curculio (Conotrachelus nenuphar Herbst.) / by Johnson, Frederick W., 1877-1960, Girault, Alexandre Arsène, 1884-1941

    Published 1906
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  6. 6
    Grape leafhopper in Lake Erie Valley

    Grape leafhopper in Lake Erie Valley

    Published 1914
    Other Authors: “…Johnson, Frederick W., 1877-1960…”
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  7. 7
    Grape root-worm, with especial reference to investigations in Erie grape belt, from 1907 to 1909

    Grape root-worm, with especial reference to investigations in Erie grape belt, from 1907 to 1909

    Published 1910
    Other Authors: “…Johnson, Frederick W., 1877-1960…”
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  8. 8
    Papers on deciduous fruit insects and insecticides Spraying experiments against grape leafhopper in Lake Erie Valley.

    Papers on deciduous fruit insects and insecticides Spraying experiments against grape leafhopper in Lake Erie Valley.

    Published 1911
    Other Authors: “…Johnson, Frederick W., 1877-1960…”
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  9. 9
    Papers on deciduous fruit insects and insecticides Spraying experiments against grape leafhopper in Lake Erie Valley in 1911.

    Papers on deciduous fruit insects and insecticides Spraying experiments against grape leafhopper in Lake Erie Valley in 1911.

    Published 1912
    Other Authors: “…Johnson, Frederick W., 1877-1960…”
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  10. 10
    Plum curculio (Conotrachelus nenuphar Herbst.)

    Plum curculio (Conotrachelus nenuphar Herbst.)

    Published 1906
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  11. 11
    Papers on deciduous fruit insects and insecticides.

    Papers on deciduous fruit insects and insecticides. by Moulton, Dudley

    Published 1909
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  12. 12
    Papers on deciduous fruit insects and insecticides i, Pear thrips; II, Spring canker-worm; III, Trumpet leaf-miner of apple; IV, Lesser peach borer; V, Lesser apple worm; VI, Grape root-worm investigations in 1907; VII, Demonstration spraying for codling moth; VIII, Grape-leaf skeletonizer; IX, Peach-tree barkbeetle.

    Papers on deciduous fruit insects and insecticides i, Pear thrips; II, Spring canker-worm; III, Trumpet leaf-miner of apple; IV, Lesser peach borer; V, Lesser apple worm; VI, Grape...

    Published 1909
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