CONTROLLING SOME SOIL-BORNE FUNGAL DISEASES INFESTING SUGAR BEET.

Document Type : Original Article

Author

Plant Pathology Research Institute, Agric. Rers. Cent., Giza, Egypt

Abstract

Four species of Trichoderma were tested either singly or in mixture to control
damping off and root rot diseases of sugar beet. A synergistic elrect on these diseases was obtained by uSing mixture of Trichoderma spp < /em>. Combination of Trichoderma spp < /em>. Improved their efficiency to control damping-off and root rot diseases. These biocontrol agents reduced the growth of following soil borne pathogens: Sclerotium rolfsii, Rhizoctonia so/eni, Macrophomena phaseolina and Fusarium oxysporum.