| 摘要 |
The present invention provides an isolated biocontrol agent, or a biocontr ol composition, comprising, at least one Pseudomonas strain that exhibits weed suppressive activity. Preferably, the biocontrol composition comprises an acceptable medium such as a liquid culture medium, a solid culture medium, a seed coating, pesta, peat prill, vermiculite, clay, starch, wheat straw, or any combination thereof. The biocontrol agent or biocontrol composition may be used to suppress the growth of a weed. The weed may be selected from the group consisting of green foxtail (Setaria viridis [L.] Beauv.), foxtail barley (Hordeum jubatum), crabgrass (Digitaria sanguinalis), annual ryegrass (Lolium rigidum), barnyard grass (Echinochloa crusgalli), yellow foxtail (Setaria glauca), Italian rye grass (Lolium multiflorum), Goose grass (Eleusine indica), and wild oat (Avena fatua). Furthermore, the biocontrol agent or composition may be applied to soil before, during or after planting crops in the soil.
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