Effect of Trichoderma spp. on Damping - Off Disease of Tomato Caused by Pythium aphanidermatum (Edson) Fitz

摘要

Manangement of soil-borne pathogens by using biocontrol agents is an efficient and long term method. The major problem of applying antagonists to soil is their inability to become established in the ecosystem and overcome the resistance of soil microflora to the introduction of new micro organisms (Alexander, 1971).