Biological coating with a protective and curative effect for the control of postharvest decay
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Jun 2, 1999
filing date -
Jun 5, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Novel methods and compositions are provided for the biocontrol of plant diseases by use of a biological coating that confers both a protective and a curative effect for the control of postharvest decay. The coating includes chitosan salts, an antagonistic microorganism, and a cation. A composition of chitosan salts, CaCl.sub.2 and yeast is effective. The combined fungicidal activities of the chitosan salts and the antagonistic microorganism make the compositions of the present invention superior to previous coatings. When applied to the surface of a harvested plant commodity, the compositions both prevent and cure postharvest decay.
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