Plant protecting and regulating compositions – Plant growth regulating compositions – Micro-organisms or from micro-organisms
Patent
1994-04-08
1995-06-13
Raymond, Richard L.
Plant protecting and regulating compositions
Plant growth regulating compositions
Micro-organisms or from micro-organisms
504130, 504133, 504136, 504138, 504139, 504140, 504143, 504148, A01N 6304
Patent
active
054242711
ABSTRACT:
Described are new strains of Drechslera spp., which possess herbicidal effects against all varieties of barnyard grass, i.e., Echinochloa spp. as weed but do not give any influence to crops under cultivation such as rice. Weed control agents according to the present invention, which contain one or more of the novel strains, have high safety and selectivity, thereby providing practical control effects against barnyard grass. Weed control compositions according to the present invention, which contain one or more of the new strains in combination with one or more chemical herbicides, have sufficient herbicidal effects even at dosages which are too low to permit control of weeds when they are applied singly, thereby making it possible to reduce the dosage of herbicides. The weed control compositions can therefore contribute to the prevention of environmental pollution and the occurrence of weeds with acquired pesticide resistance.
REFERENCES:
patent: 4606751 (1986-08-01), Van Dyke et al.
Jung et al, American Type Culture Collection Catalogue of Fungi/Yeasts, 1987, 17th ed., p. 144.
Yu et al, Sol Biol. Biochem, vol. 20, No. 5, p. 607-612, 1988.
Strobel, et al, Phytoparasitica, vol. 16, No. 2, pp. 145-152, 1988, The Incredible Fungal Genus--Drechslera-- and its Phytotoxic Ophiobolins.
Wymore et al, Weed Science, vol. 35, pp. 377-383, 1987.
Klerk et al, Weed Science, vol. 33, No. 1, pp. 95-99, 1985.
D. J. Robeson et al, Agricultural and Biological Chemistry vol. 46, No. 11, 1982 pp. 2681-2683, Agricultural Chemical Society of Japan, Tokyo.
Arita Masanobu
Fukui Keiko
Gohbara Masatoshi
Shinmi Tatsuo
Tohyama Emi
Bembenick B.
Mitsui Toatsu Chemicals Inc.
Raymond Richard L.
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