Aug 1, 1976

Competition between Phytophthora cinnamomi and Trichoderma spp. in autoclaved soil

Canadian Journal of Microbiology
W D Kelley, R Rodriguez-Kabana


Results from analyses of beta-glucosidase (EC and phosphatase (EC;EC activities indicated that presence of a Trichoderma isolate reduced development of Phytophthora cinnamomi. It was also observed that P. cinnamomi was more competitive in coinoculated cultures than in cultures where Trichoderma was added on day 3. Analysis of trehalase (EC activity indicated that Trichoderma either utilized portions of the P. cinnamomi mycelium as substrate or the action of P. cinnamomi released additional nutrients not normally available to Trichoderma. Ther stronger Trichoderma isolate was T. harzianum.

Mentioned in this Paper

Acid Phosphatase
Phytophthora cinnamomi
Pentaleyrodes cinnamomi
Phosphoric Monoester Hydrolases
Filamentous fungus
TREH gene
Alkaline Phosphatase
Isolate compound

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