ISHS Acta Horticulturae 504: VI Symposium on Stand Establishment and ISHS Seed Symposium
BIOLOGICAL DISEASE CONTROL: CONSIDERATIONS FOR SEED TREATMENT AND STAND ESTABLISHMENT |
| Authors: | D.P. Roberts, E.L. Stromberg, G.H. Lacy, J.S. Buyer |
| Keywords: | cucumber, damping-off, rhizosphere colonization, “take-all”, wheat |
| Abstract:
Effects of bacterial seed treatments on “take-all” of wheat (Triticum aestivum), a disease caused by Gaeumannomyces graminis var. tritici, and on soilborne pathogens of cucumber (Cucumis sativum) and other vegetables are discussed. Special emphasis is placed on strategies for isolation and identification of bacterial biological control agents from apparently healthy wheat plants from a field that had been continually cropped to wheat since 1988 and has had severe “take-all” outbreaks since 1992. Current research is directed toward evaluating bacterial isolates alone or in various combinations as seed treatments for “take-all” control under field conditions. | |
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