Plant protection agent and method for controlling plant disease

a plant protection agent and technology for plants, applied in the field of new plants, can solve the problems of difficult elimination of the possibility of toxic metabolites under stress, inability to exhibit sufficient capacity of microbial pesticides, and difficulty in storage and handling, so as to prevent the invasion of disease germs, prevent direct antibacterial properties or cytotoxicity, and protect the material

Inactive Publication Date: 2016-09-29
UNIV OKAYAMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention relates to a plant protective agent with very few side effects on humans and animals. It works effectively against harmful organism like bacteria, yeast, fungi, etc., while being easy to store and transport. Additionally, this agent can kill any harmful substances produced during production without causing damage to crops.

Problems solved by technology

The technical problem addressed in this patent text is how to create stable and effective compositions containing iron oxides, particularly when exposed to high levels of environmental stresses like saltwater environments.

Method used

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  • Plant protection agent and method for controlling plant disease
  • Plant protection agent and method for controlling plant disease
  • Plant protection agent and method for controlling plant disease

Examples

Experimental program
Comparison scheme
Effect test

production example 1

1. Preparation of OUMS1-BIOX

[0121]OUMS1-BIOX was prepared by culturing OUMS1 using the following culture fluid (SIGP medium (Sawayama et al., Curr Microbial (2011) 63: 173-180)).

[0122]Using the elementary composition obtained by ICP analysis of groundwater collected from a water purification plant in Joyo City as an indicator, the following salts were added to 1 L of pure water.

[0123]Na2SiO3-9H2O: 0.2 g

[0124]CaCl2-2H2O: 0.044 g

[0125]MgSO4-7H2O: 0.041 g

[0126]Further, the following reagents used in a GPGP medium were added.

[0127]Glucose: 1 g (final concentration: 0.1%)

[0128]Peptone: 1 g (final concentration: 0.1%)

[0129]Na2HPO2-12H2O: 0.076 g

[0130]KH2PO4-2H2O: 0.02 g

[0131]HEPES: 2.383 g

[0132]FeSO4: 0.05 mmol

[0133]After these were sequentially dissolved, the pH was adjusted to 7.0 using an NaOH solution, followed by filtration through a PIPE filter (0.02 μm, millipore). Then, a 99.9% iron piece (10×10×1.2 mm, produced by Kojundo Chemical Laboratory Co., Ltd.) was placed, and rotary culture

example 1

Spraying in Field

[0150]OUMS1-BIOX (10 g) or BIOX (10 g) obtained from a water purification tank in the Faculty of Agriculture at Okayama University is suspended in 10 L of water and sufficiently mixed. The resulting mixture is placed in an atomizer, and sprayed on crop: Brassica campestris (14th day after seeding) under the following condition. As a result, an excellent effect of preventing gray mold and anthracnose is obtained.

[0151]Amount of water sprayed: equivalent to 1 L / 25 m2.

example 2

Spraying in Field

[0152]OUMS1-BIOX (10 g) or BIOX (10 g) obtained from a water purification tank in the Faculty of Agriculture at Okayama University is suspended in 10 L of water and sufficiently mixed. The resulting mixture is placed in an atomizer, and sprayed on crop: pea (28th day after seeding) under the following condition. As a result, an excellent effect of preventing mycosphaerella blight is obtained.

[0153]Amount of water sprayed: equivalent to 1 L / 25 m2.

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Abstract

Disclosed is a plant protection agent comprising an amorphous and/or microcrystalline silicon- and phosphorus-containing iron oxide, and a method for controlling plant diseases, comprising the step of applying the plant protection agent.

Description

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Claims

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Application Information

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Owner UNIV OKAYAMA
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