The present invention relates to the in vitro use of a guar derivative for maintaining or increasing the growth rate of microorganisms, wherein said guar derivative contains at least one anionic group.

The application belongs to the field of biotechnology and microbiology, in particular to a strain of Streptomyces roseoverticillatus (Sr-63) which antagonizes the Rice Bacterial Blight and its application in the prevention and treatment of plant diseases. The application discloses a strain of S. roseoverticillatus (Sr-63) with the accession number CCTCC No.: M 2019261. It is also disclosed the application of the S. roseoverticillatus (Sr-63): used for controlling Rice Bacterial Blight.

The application belongs to the field of biotechnology and microbiology, in particular to a strain of Streptomyces roseoverticillatus (Sr-63) which antagonizes the Rice Bacterial Blight and its application in the prevention and treatment of plant diseases. The application discloses a strain of S. roseoverticillatus (Sr-63) with the accession number CCTCC No.: M 2019261. It is also disclosed the application of the S. roseoverticillatus (Sr-63): used for controlling Rice Bacterial Blight.

The present invention relates to the field of biocontrol of plant pathogenic fungi, particularly to bacterial strains effective in treating and/or preventing plant diseases associated with phytopathogenic fungi and/or oomycetes, preparations, lysates and extracts thereof and compositions comprising same, and methods of use thereof.

The present invention relates to the field of biocontrol of plant pathogenic fungi, particularly to bacterial strains effective in treating and/or preventing plant diseases associated with phytopathogenic fungi and/or oomycetes, preparations, lysates and extracts thereof and compositions comprising same, and methods of use thereof.

The present invention relates to a composition comprising a) recombinant exosporium-producing Bacillus cells that express a fusion protein comprising: (i) at least one plant growth stimulating protein or peptide and (ii) a targeting sequence that localizes the fusion protein to the exosporium of the Bacillus cells; and b) at least one further biological control agent selected from particular microorganisms disclosed herein and/or a mutant of a specific strain of a microorganism disclosed herein having all identifying characteristics of the respective strain, and/or at least one metabolite produced by the respective strain, and/or at least one metabolite produced by the respective strain that exhibits activity against insects, mites, nematodes and/or phytopathogens in a synergistically effective amount. Furthermore, the present invention relates to the use of this composition as well as a method for enhancing plant growth, promoting plant health, and/or reducing overall damage of plants and plant parts.

The present invention relates to a composition comprising a) recombinant exosporium-producing Bacillus cells that express a fusion protein comprising: (i) at least one plant growth stimulating protein or peptide and (ii) a targeting sequence that localizes the fusion protein to the exosporium of the Bacillus cells; and b) at least one further biological control agent selected from particular microorganisms disclosed herein and/or a mutant of a specific strain of a microorganism disclosed herein having all identifying characteristics of the respective strain, and/or at least one metabolite produced by the respective strain, and/or at least one metabolite produced by the respective strain that exhibits activity against insects, mites, nematodes and/or phytopathogens in a synergistically effective amount. Furthermore, the present invention relates to the use of this composition as well as a method for enhancing plant growth, promoting plant health, and/or reducing overall damage of plants and plant parts.

The present invention refers to the strain Streptomyces melanosporofaciens AGL22 identified in the Spanish Type Culture Collection (CECT) as Streptomyces melanosporofaciens CECT9420, and the use of said strain as a pesticide in plants. Further aspects of the invention relate to suspensions and extracts of strain S. melanosporofaciens AGL225 and methods of preparing the same. Additional aspects relate to pesticidal compositions comprising S. melanosporofaciens AGL225. Finally the invention relates to a method for biological control of plant pests comprising administering to the plant strain S. melanosporofaciens AGL225, a composition including said strain or a cell-free extract derived from S. melanosporofaciens AGL225.

The present invention refers to the strain Streptomyces melanosporofaciens AGL22 identified in the Spanish Type Culture Collection (CECT) as Streptomyces melanosporofaciens CECT9420, and the use of said strain as a pesticide in plants. Further aspects of the invention relate to suspensions and extracts of strain S. melanosporofaciens AGL225 and methods of preparing the same. Additional aspects relate to pesticidal compositions comprising S. melanosporofaciens AGL225. Finally the invention relates to a method for biological control of plant pests comprising administering to the plant strain S. melanosporofaciens AGL225, a composition including said strain or a cell-free extract derived from S. melanosporofaciens AGL225.

The present invention refers to the strain Streptomyces melanosporofaciens AGL22 identified in the Spanish Type Culture Collection (CECT) as Streptomyces melanosporofaciens CECT9420, and the use of said strain as a pesticide in plants. Further aspects of the invention relate to suspensions and extracts of strain S. melanosporofaciens AGL225 and methods of preparing the same. Additional aspects relate to pesticidal compositions comprising S. melanosporofaciens AGL225. Finally the invention relates to a method for biological control of plant pests comprising administering to the plant strain S. melanosporofaciens AGL225, a composition including said strain or a cell-free extract derived from S. melanosporofaciens AGL225.