Fungal isolates and biological control compositions for the control of weeds
AssigneeHer Majesty the Queen in right of Canada, as represented by the Minister of Agriculture and Agri-Food Canada
InventorsKaren L. Bailey, JoAnne Derby
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Abstract
The present invention discloses fungal isolates of Phoma spp. or extracts obtained therefrom, useful for the control of broad leaf weeds, including Canada thistle, perennial sowthistle, dandelion, scentless chamomile, false cleavers, chickweed, wild buckwheat, and field bindweed. Te present invention also discloses biological control compositions comprising fungal isolates formulated in a growth medium for maintaining the viability of the fungal isolates when the biological control composition is applies to soil.
Claims69
A method of controlling one or more broad leaf weeds comprising administering mycelia of Phoma cf. macrostoma isolated from Canada thistle, an extract therefrom, an inoculated broth therefrom, or a combination thereof, to said weeds, or to soil where said weeds grow.
A biocontrol agent comprising mycelia of one or more than one Phoma cf macrostoma isolate isolated from Canada thistle, an extract therefrom, an inoculated broth therefrom, or a combination thereof, said biocontrol agent exhibiting weed control activity, growth enhancement activity, or a combination thereof.
A coated crop seed, comprising mycelia of one or more Phoma cf. macrostoma isolates isolated from Canada thistle and a binder.
A coated crop seed, comprising an inoculated broth, or an extract obtained from mycelia of one or more Phoma cf. macrostoma isolates isolated from Canada thistle, and a binder.
Dependencies are inferred from the claim text.