الفهرس 
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Abstract
In response to environmental and health concerns about the extended use of pesticides, which are proving hazardous to the environment as well as being responsible in bringing about resistance to the disease, it seems inevitable that greater reliance will be placed on alternative biological control techniques including the use of microorganisms as antagonists. However microorganisms as biological control agents often exhibit inconsistent performance in practical agriculture, resulting in limited commercial use. Biological control of fusarium wilts of numerous crops by application of antagonistic fungi and bacteria isolated from suppressive soils has been accomplished during the last two decades.