Biological control of weeds using AAL-toxin

Details Biological control of weeds using AAL-toxin Biological control of weeds using AAL-toxin

1992-08-31

1993-10-26

Robinson, Allen J.

Plant protecting and regulating compositions

Plant growth regulating compositions

Micro-organisms or from micro-organisms

504117, 504319, 504353, A01N 6304

Patent

active

052566285

ABSTRACT:
It has been discovered that AAL-toxin, a known host-specific phytotoxin produced by Alternaria alternate f. Sp. lycopersici, has a broad range as a pre-emergent or post-emergent bioherbicide. A method using AAL-toxin has been developed for controlling certain weeds, including duckweeds, jimsonweed, black nightshade, prickly sida, redroot pigweed and northern jointvetch. This phytotoxin can be used pure, as a cell-free filtrate, a crude filtrate, or a crude suspension of the culture.

REFERENCES:
patent: 4419120 (1983-12-01), Walker
patent: 4715881 (1987-12-01), Anderson et al.
patent: 4929270 (1990-05-01), Cardellina, II et al.
Gilchrist, D. G., et al., "Production and Nature of a Host-Specific Toxin from Alternaria alternate f. sp. Iycopersici", Phytopathology, Feb. 1976, vol. 66, pp. 165-171.
Bottini, A. T., et al., "Phytotoxins. I. A 1-Aminodimethylheptadecapenol from Alternaria alternata f. sp. lycopersici", Tetrahedron Letters, vol. 22 No. 29, pp. 2719-2722 (1981).
Bottini, At., et al., "Phytoxotins. II. Characterization of a Phytotoxic Fraction from Alternaria alternata f. sp. lycopersici", Tetrahedron Letters, vol. 22, No. 29, pp. 2723-2726 (1981).
Nishimura, S., et al., "Host-Specific Toxins and Chemical Structures from Alternaria Species," Ann. Rev. Phytopathol., 1983, vol. 21, pp. 87-116.

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