Species of fungi and their use in pest and disease control

Details Species of fungi and their use in pest and disease control Species of fungi and their use in pest and disease control

C - Chemistry, Metallurgy

12

N

C12N 1/14 (2006.01) A01N 63/04 (2006.01)

Patent

CA 2473957

AbstractThe present invention describes substantially pure cultures of three new species of fungi, Meira geulakonigae (CBS 110052), Meira argovae (CBS 110053) and Acaromyces ingoldii (CBS 110050) (all nom. prov.), wherein said cultures are biologically pure. The conditioned medium for all three new fungi species is also described, as well as their biologically active products. The biological product of the three new fungi species and their conditioned medium has miticidal and fungicidal activities. Thus, a composition for the control of mites and/or phytopathogenic fungi comprising a biocontrol agent derived from any one of the three new fungi species is also described, optionally comprising an agriculturally compatible carrier. Finally, the present invention describes a method for producing a fungicide and/or a miticide, wherein the active ingredient of said fungicide/miticide is any one of M. geulakonigae, M. argovae, or A. ingoldii, or any combination thereof, and/or a culture thereof, and/or any product or derivative thereof, comprising culturing said fungus and optionally isolating said active ingredient from the culture.

L'invention concerne des cultures sensiblement pures de trois nouvelles espèces de champignons, Meira geulakonigae (CBS 110052), Meira argovae (CBS 110053) et Acaromyces ingoldii (CBS 110050) (tous noms provisoires), lesquelles cultures sont biologiquement pures. L'invention concerne également le milieu conditionné pour ces trois nouvelles espèces de champignons ainsi que leurs produits biologiquement actifs. Le produit biologique de ces trois nouvelles espèces de champignons et de leur milieu conditionné présente des activités acaricides et fongicides. L'invention concerne en outre une composition conçue pour la lutte contre les acariens et/ou les champignons phytopathogènes, laquelle comprend un agent de lutte biologique dérivé de n'importe laquelle de ces nouvelles espèces de champignons et comprend éventuellement un tensioactif compatible du point de vue agricole. Enfin, l'invention concerne un procédé permettant de produire un fongicide et/ou un acaricide dont la matière active est un champignon quelconque parmi M. geulakonigae, M. argovae ou A. ingoldii ou une combinaison quelconque de ces derniers et/ou un culture de ces derniers et/ou un produit ou un dérivé quelconque de ces derniers, ce procédé consistant à cultiver ledit champignon et éventuellement à isoler ladite matière active de la culture.

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