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    Byther, Ralph S. (97)
    Antonelli, Arthur L. (43)Davidson, Roy M., 1939- (28)Chastagner, Gary A. (16)Brauen, Stanton E. (Stanton Elwood), 1932- (11)Goss, Roy L. (11)Scheer, William P. A. (10)Shanks, Carl H. (10)Gould, Charles J. (9)Maloy, Otis C. (8)... View MoreSubjectLawns--Washington (State) (8)Organic gardening. (3)Organic gardening--Washington (State) (2)Turfgrasses--Diseases and pests. (2)Vegetable gardening--Washington (State) (2)Compost (1)Fusicladium. (1)Garden fertilizers. (1)Insect pests--Control (1)Irises (Plants)--Diseases and pests. (1)... View MoreDate Issued2010 - 2015 (1)2000 - 2009 (3)1990 - 1999 (26)1980 - 1989 (33)1976 - 1979 (34)

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    Now showing items 71-80 of 97

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    Common Causes of Plant Damage and Suggestion for Plant Care 

    Davidson, Roy M., 1939-; Byther, Ralph S. (Pullman, Washington : Washington State University. Extension., 1994-07)
    Parasitic diseases caused by fungi, bacteria, viruses, or nematodes are responsible for only about one-third of all plant problems. The rest are caused by such factors as climate, planting location or procedures, and ...
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    Poplar Yellow Leaf Blister 

    Byther, Ralph S.; Davidson, Roy M., 1939- (Pullman, Washington : Washington State University. Extension., 1995-09)
    This disease is caused by the fungi Taphrina populi-salicis and T. populina. Lombardy poplars are frequently affected, showing leaf blisters and having leaves a bright yellow or orange due to the fungi spores. Control is ...
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    Commercially grown raspberries insect, disease, and weed control guide for Washington state 

    Shanks, Carl H.; Crandall, Perry C.; Byther, Ralph S.; Antonelli, Arthur L.; Peabody, Dwight V.; Scheer, William P. A. (Pullman, Washington : Washington State University. Extension., 1980-04)
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    Construction damage to trees on homesites 

    Davidson, Roy M., 1939-; Byther, Ralph S. (1980-03)
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    Commercially grown raspberries insect, disease, and weed control guide for Washington state 

    Shanks, Carl H.; Crandall, Perry C.; Byther, Ralph S.; Antonelli, Arthur L.; Peabody, Dwight V.; Scheer, William P. A. (Pullman, Washington : Washington State University. Extension., 1978-03)
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    Potato scab 

    Davidson, Roy M., 1939-; Byther, Ralph S. (Pullman, Washington : Washington State University. Extension., 1976-06)
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    Tubercularia (nectria) dieback of broadleaf trees 

    Davidson, Roy M., 1939-; Byther, Ralph S. (Pullman, Washington : Washington State University. Extension., 1976-06)
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    Willow scab 

    Byther, Ralph S.; Davidson, Roy M., 1939- (Pullman, Washington : Washington State University. Extension., 1994)
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    Poplar yellow leaf blister 

    Davidson, Roy M., 1939-; Byther, Ralph S. (Pullman, Washington : Washington State University. Extension., 1976-06)
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    Commercially grown blueberries insects, disease, and weed control guide for Washington state 

    Antonelli, Arthur L.; Byther, Ralph S.; Doughty, Charles C., 1915-1999; Scheer, William P. A.; Shanks, Carl H. (1980-04)
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