Rhizosphere-competent trichoderma strains

Details Rhizosphere-competent trichoderma strains Rhizosphere-competent trichoderma strains

1990-04-20

1993-03-09

Fox, David T.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Fungi

4351721, 435945, 424 93B, 424 93Q, 47 576, C12N 114, C12N 1500, A01N 6300, A01C 106

Patent

active

051926865

ABSTRACT:
A rhizosphere-competent Trichoderma polysporum, (ATCC 20852) and a rhizosphere-competent Trichoderma viride (ATCC 20853) are described. They are respectively, mutants of rhizosphere-incompetent Trichoderma polysporum ATCC 20475 and rhizosphere-incompetent Trichoderma viride ATCC 20476. The rhixosphere-competent strains are particularly effective biocontrol agents for plant and/or tree diseases associated with various fungi e.g., Pythium spp., Sclerotium, spp., Rhizoctonia solani and basidiomycetes such as Chondrostereumm purpureum.

REFERENCES:
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Ghose, T. K. 1987. Measurement of cellulose activities. Pure and Appl. Chem. 59:257-268.
Sivan, A., and Harmon, G. E. 1991. Improved rhizosphere competence in a protoplast fusion progeny of Trichoderma harzianum. Journal of General Microbiology (1991), 137, 0000-0000.
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Lifshitz et al., Decrease in Incidence of Rhizoctonia Preemergence Damping-Off by Use of Integrated Chemical and Biological Controls, Plant Diseases, May 1985: 431.
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Papavizas, G. C. Trichoderma and Gliocladium: Biology, Ecology and Potential For Biocontrol Ann. Rev. Phytopathology 23:23-54 at page 35, 1985.
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Ahmad, J. S. & Baker, Ralph, Rhizosphere-Competence of Benomyl-Tolerant Mutants of Trichoderma spp., Can. J. Microbiol 34:694-696 (1988).
Ahmad, J. S., & Baker, Ralph, Growth of Rhizosphere-Competent Mutants of Trichoderma harzianum on Carbon, Can. J. Microbiol. 34:807-814.

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