Method for controlling soft rot, bacterial seedling blight of rice and black rot
First Claim
1. An Erwinia carotovora subsp. carotovora CGE234M403 strain from which the pathogenicity of soft rot is deleted by mutagenesis.
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Accused Products
Abstract
A microbial pesticide containing a living Erwinia carotovora subsp. carotovora, particularly, the Erwinia cartovora subsp. carotovora CGE234M403 strain, from which the pathogenicity of soft rot is deleted by mutagenesis and which is immobilized by mixing with a saccharide such as saccharose, glucose, fructose or sorbitol or beef extract and drying or freeze-drying the mixture under reduced pressure, as an active ingredient is applied to soil or plants, which are liable to suffer from soft rot, bacterial seedling blight of rice and black rot, in the form of a suspension, granules or powder to control the diseases.
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Citations
17 Claims
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1. An Erwinia carotovora subsp. carotovora CGE234M403 strain from which the pathogenicity of soft rot is deleted by mutagenesis.
- 2. An agent for controlling soft rot or for controlling bacterial seedling blight of rice or for controlling black rot, which contains, as an active ingredient, Erwinia carotovora subsp. carotovora CGE234M403 strain from which the pathogenicity of soft rot is deleted by mutagenesis.
- 3. A method for controlling soft rot, comprising applying, to soil or a plant, Erwinia carotovora subsp. carotovora CGE234M403 strain from which the pathogenicity of soft rot is deleted by mutagenesis.
- 6. A method for immobilizing bacteria of soft rot, comprising mixing, with a saccharide or beef extract, Erwinia carotovora subsp. carotovora CGE234M403 from which the pathogenicity of soft rot is deleted by mutagenesis and drying or freeze-drying the resulting mixture under reduced pressure to immobilize the same.
- 8. A method for controlling soft rot, comprising mixing, with a saccharide or beef extract, Erwinia carotovora subsp. carotovora CGE234M403 from which the pathogenicity of soft rot is deleted by mutagenesis, drying or freeze-drying the resulting mixture under reduced pressure to immobilize the mixture, dissolving the immobilized mixture in water and applying the mixture to a plant.
- 12. A method for controlling bacterial seedling blight of rice, comprising applying, to rice seeds, Erwinia carotovora subsp. carotovora CGE234M403 from which the pathogenicity of soft rot is deleted by mutagenesis.
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17. A method for controlling black rot, comprising applying, to soil or a plant, Erwinia carotovora subsp. carotovora CGE234M403 from which the pathogenicity of soft rot is deleted by mutagenesis.
Specification