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    • AuthorZitter, Thomas A. (3)Carling, Donald (1)Gallenberg, D.J. (1)Halseth, Donald E. (1)Hsu, Louis (1)Leiner, Roseann (1)Loria, Rosemary (1)Muka, A.A. (1)Semel, M. (1)
    • SubjectAgricultural IPM (5)
      Potatoes (5)
      Vegetables (5)Tomatoes (3)Peppers (2)Eggplant (1)... View More
    • Date Issued1983 (2)1984 (2)1989 (1)
    • Typesfact sheet (5)
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    Virus and Viroid Diseases of Potato 

    Zitter, Thomas A.; Gallenberg, D.J. (New York State IPM Program, 1984)
    Potatoes are a vegetatively propagated crop, and many disease organisms including several viruses and a viroid are disseminated in tubers. The important role that tubers play in virus spread is recognized by the strict requirements for foundation...
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    Rhizoctonia Disease (of Potato) 

    Loria, Rosemary; Leiner, Roseann; Carling, Donald (New York State IPM Program, 1983)
    Rhizoctonia solani is a fungus that attacks tubers, underground stems, and stolons of potato plants. Although it probably occurs wherever potatoes are grown, it causes economically significant damage only in cool, wet soils. In temperate production...
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    Black Dot Disease of Potato 

    Zitter, Thomas A.; Hsu, Louis; Halseth, Donald E. (New York State IPM Program, 1989)
    ) , Colletotrichum can cause severe rotting of below-ground plant parts and early plant decline leading to discolored tubers and reduce~ yields. The same black dot organism causes anthracnose or npe-fru1t disease of tomato, and can occur on other solanaceous crops...
    , the organism does not penetrate intact tuber skin, but can grow and sporulate on damaged tissue. This limited growth, however, does not appear to provide entry sites for secondary fungal or bacterial invaders in stored tubers. In a three-month greenhouse test...
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    Potato Early Blight 

    Zitter, Thomas A. (New York State IPM Program, 1984)
    rot develops slowly and may not be severe until quite late into the storage period. This decay may allow the entry of secondary organisms such as Fusarium fungi and soft rot bacteria. �CONTROL The following measures will help prevent the occurrence...
    . Surface tubers infected by conidia washed from leaves. ~,'~'~:~~"~:,~~:~~,-'".~"~~~~"'~",~",~~~ ~~~~~' ~~"~ "Target" spots Early Blight Disease Cycle Adapted in part from North Dakota State University Extension Bulletin 26, 1976, 'Potato Production...
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    Colorado Potato Beetle 

    Muka, A.A.; Semel, M. (New York State IPM Program, 1983)
    seeking hibernation sites in the fall may become a nuisance on the walls and at doorways and windows where they congregate. Control Numerous natural control organisms exist in the field. Both parasites and predators are useful. A fungus Beauveria bassiana...
    for maximum potato production. In many areas of the Northeast the Colorado potato beetle has become resistant to most pesticides. Control is further complicated by the ability of the species to produce thousands of new eggs per acre. Consult your local...
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