Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Fungi
Patent
1992-08-13
1996-07-23
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Micro-organism, per se ; compositions thereof; proces of...
Fungi
435171, 4351721, 435242, 435260, 435267, 435911, 43525411, 47DIG10, 935 64, 504117, C12N 114, C12N 300
Patent
active
055388906
ABSTRACT:
A broad spectrum biological herbicide comprises a mammal-sparing bioherbicide fungal mutant, e.g., a S. sclerotiorum mutant, of limited survival time and geographical dissemination characteristics under standard agricultural conditions. The invention also relates to a method of obtaining herbicides of the invention comprising obtaining viable wild type bioherbicide fungal spores, subjecting these to UV light to reduce the number of viable fungi to less than 5% the initial number of spores, selecting mutants which differ from the wild type in at least one characteristic such as altered phenotype or morphology, and further selecting a mammal-sparing bioherbicide fungal mutant of reduced survival time and geographical dissemination characteristics under agricultural conditions when compared with the wild type. The invention also relates to a method of using the broad spectrum biological herbicide to reduce the number of weeds in an area. The invention also relates to a limited plant spectrum mammal-sparing bioherbicide. The invention further relates to a method for obtaining the bioherbicides according to the invention.
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Sands et al. Proc. 3rd. Intl Conf on Plant Pathogenic Bacteria, Geesteram H. P., Ed. Centre Agricultural Publications Documents, Wageningen, The Netherlands (1971).
Charu dattan, R. "The Use of Natural and Genetically Altered Strains of Pathogens for Weed Control" pp. 347-372 Biol. Control in Agric. IPM Systems, Acad. Press NY (1985).
Ford Eugene
Kennett Gregory
Miller Roger V.
Sands David C.
Research and Development Institute, Inc. at Montana State Univer
Williams Jane
Wityshyn Michael G.
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