Isolates of pythium species which are antagonistic to Pythium ul

Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing – Genetically modified micro-organism – cell – or virus

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47 58, 435254, 4351721, 435911, A01N 6300, C12N 114, C12N 1500, C12R 1648

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active

045740836

ABSTRACT:
Novel isolates of Pythium are provided which are antagonistic to indigenous plant pathogenic species of Pythium ultimum from soil. The isolates suppress the growth of P. ultimum when added to soil and are particularly useful to protect seedlings from damping-off disease caused by P. ultimum.

REFERENCES:
Vaartaja, O., "Inhibition of Pythium ultimum in Molecular Fractions from Gel Filtration of Soil Extracts", Chem. Abstracts 82:3204y, 1975.
Vesely, D., "An Agent Applied to Sugar Beet Seed for the Stimulation of Germination-Protection Against Leaf Scorch", Chem. Abstracts 99:189795w, 1983.
Lifshitz et al., "Soil Suppressiveness to a Plant Pathogenic Pythium Species", Phytopathology 74(9), 1054-1061, 1984.

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