Method for stimulating natural control system of plants
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United States of America Patent
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May 14, 2002
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N/A
app pub date -
Jan 18, 2000
filing date -
Jul 18, 1997
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Abstract
The present invention provides a method to potentiate and stimulate natural defensive reactions of plants to a pathogenic agent. The method comprises application to plants of a composition comprising an effective amount of one or more oligo .beta. 1-3 glucans composed of 3 to 250 monosaccharide units and a vehicle, wherein the effective amount of oligo .beta. 1-3 glucans in the composition does not directly stimulate natural defensive reactions of plants when the pathogenic agent is absent.
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