A number of soilborne fungi are considered to be limiting to the production of conventionally and organically grown vegetables for the fresh market. Members of the genera Fusarium, Pythium, Phytophthora, Sclerotium, and Rhizoctonia are of primary concern. Several biologically-based disease management products have been developed for use against these fungi in organic and conventional production systems. These products may act as plant defense stimulants or antagonists against pathogens, or may serveto exclude other plant pathogenic fungi from plant roots. Although they have been marketed for several years, their applicability to new systems should be validated. The aim of this presentation is to evaluate the published data related to these products to determine their demonstrated efficacy for use under Florida production conditions.
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