Trichoderma harzianum SK-55 fungus, fungicide containing it, and method of manufacture of the same and its use
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United States of America Patent
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Jun 6, 1995
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N/A
app pub date -
Dec 23, 1993
filing date -
Dec 25, 1992
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Abstract
The fungus Trichoderma harzianum SK-55 provides broad antagonistic interaction against plant pathogenic diseases, and may be used to control fungal diseases in plants. A fungicidal composition contains Trichoderma harzianum SK-55 isolated from the soil. A method of manufacturing a fungicidal composition comprises introducing a large quantity of Trichoderma harzianum SK-55 into a culture medium, incubating it on the culture medium at a specific temperature range and at a specific humidity for a specific period of time, drying it at a specific low temperature range, and, if necessary, milling it into specific grain sizes. The fungicidal composition containing the incubated fungus may be distributed at the rate of 0.5 g to 5 g/m.sup.2.
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