Natural herbicide
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United States of America Patent
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N/A
Issued Date -
Aug 16, 2007
app pub date -
Jul 14, 2006
filing date -
Jul 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A natural herbicide comprising a Burkholderia species cell-free culture fraction having herbicidal activity is provided. The natural herbicide may comprise a cell free fraction having a molecular weight less than about 5000 Daltons, less than 1000 Daltons, or a substantially purified compound having a molecular weight of about 192 Daltons or about 390 Daltons. A method of suppressing or controlling growth of a target plant by applying a composition comprising the natural herbicide is also provided, as is a method of producing a natural herbicide. The natural herbicide may be produced by obtaining a cell-free culture conditioned by growth of a Burkholderia species, fractionating the cell-free culture to obtain a fraction having herbicidal activity, and purifying the fraction having herbicidal activity to produce the natural herbicide.
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