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Preparation method of ustilaginoidea virens (Cooke) Takahashi inhibitor prepared from potato-xylose

A technology of rice smut fungus and potato, applied in the field of phytopathology technology and pesticide science, can solve the problems of weak basic research on rice smut disease control and lagging drug research and development, and achieve the effect of effectively inhibiting the growth and development of rice smut fungus

Inactive Publication Date: 2016-03-02
GUANGXI UNIV
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  • Application Information

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Problems solved by technology

Due to the lack of sufficient attention in history, the basic research on the control of rice false smut is still weak, and the research and development of drugs for the control of rice false smut is lagging behind

Method used

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  • Preparation method of ustilaginoidea virens (Cooke) Takahashi inhibitor prepared from potato-xylose
  • Preparation method of ustilaginoidea virens (Cooke) Takahashi inhibitor prepared from potato-xylose

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Embodiment

[0022] A method for preparing a potato-xylose-originated rice smut fungus inhibitor comprises the steps of subjecting a potato-xylose mixture to a high temperature treatment at 126°C, as follows:

[0023] 1. Preparation of potato-xylose mixture:

[0024] 200g of potatoes were mixed with 1000ml of water to obtain potato juice; 20g of xylose was dissolved in the potato juice to obtain a potato-xylose mixture.

[0025] 2. High temperature treatment:

[0026] The potato-xylose mixture prepared in step 1 was heated to 126° C. with high-pressure high-temperature steam and maintained for 30 minutes.

[0027] 3. Cooling:

[0028] Stop the heating operation in step 2, and slowly exhaust steam to decompress and lower the temperature, take out the potato-xylose mixture in the heating pot, and cool naturally at room temperature to obtain an inhibitory substance that can efficiently inhibit the growth and development of rice smut.

[0029] 4. Bacteriostatic efficacy test of high-efficie...

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Abstract

The invention discloses a preparation method of an ustilaginoidea virens (Cooke) Takahashi inhibitor prepared from potato-xylose. The preparation method comprises following steps: 1) preparation of a potato-xylose mixture; 2) high temperature treatment; 3) cooling; and 4) antibacterial effect examination of the high efficiency inhibitor, wherein a culture medium is prepared from the obtained high efficiency inhibitor, and is inoculated with ustilaginoidea virens (Cooke) Takahashi, and cultivation is carried out at an appropriate temperature. It is shown by the results of antibacterial effect examination that the high temperature treatment product of the potato-xylose mixture is capable of inhibiting growth of ustilaginoidea virens (Cooke) Takahashi with high efficiency. Advantages of the preparation method are that: the inhibitor capable of inhibiting growth of ustilaginoidea virens (Cooke) Takahashi with high efficiency can be prepared from the potato-xylose mixture via simple high temperature treatment.

Description

technical field [0001] The present invention relates to plant pathology technology and pesticide science technology. Specifically, it relates to a method for preparing a rice smut fungus inhibitor derived from potato-xylose. technical background [0002] Rice false smut caused by Ustilaginoideavirens (Cooke) Takahashi occurs globally and is a major disease of rice production in my country. In some rice areas, rice false smut even exceeds rice blast to become a major disease of rice production. Due to the lack of adequate understanding of the law of plant disease disasters, the prevention and control of plant diseases still mainly depends on the control of drugs (pesticides) at present and for a long time to come. The same is true for the control of rice false smut. Therefore, the research and development of rice false smut prevention and control medicine just become the important technical work of solving the rice false smut problem. [0003] In history, rice false smut ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N61/00A01P3/00A01N43/16
CPCA01N61/00A01N43/16A01N2300/00
Inventor 王忠文浦相君杨平时婷婷曾东强张君成
Owner GUANGXI UNIV
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