Preparation method of rice germ inhibitor coming from xylose

A rice smut fungus and inhibitor technology, which is applied in the fields of plant pathology and pesticides, can solve the problems of weak basic research on rice smut control and lag in drug research and development, and achieves high-efficiency inhibition of growth and development and simple and feasible technology Effect

Inactive Publication Date: 2016-02-17
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 rice germ inhibitor coming from xylose
  • Preparation method of rice germ inhibitor coming from xylose

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Experimental program
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Effect test

Embodiment

[0022] A preparation method of an inhibitor of rice smut bacteria derived from xylose is to carry out high-temperature treatment of xylose solution, and operate according to the following steps:

[0023] 1. Solution preparation:

[0024] Dissolve 20g of xylose in 1000ml of water to make a xylose solution.

[0025] 2. High temperature treatment:

[0026] The xylose solution formulated in Step 1 was heated to 126° C. with high-pressure and high-temperature steam and maintained for 30 minutes.

[0027] 3. Cooling:

[0028] Stop the heating operation of step 2, after slow steam exhaust and decompression, take out the xylose solution in the sterilizer, after natural cooling at room temperature, it becomes an inhibitory substance that can inhibit the growth of rice smut bacteria.

[0029] 4. Inspection of antibacterial effect: the xylose solution after step 3 cooling is made into culture medium, and concrete operation is as follows:

[0030] First prepare the potato agar basal m...

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Abstract

The invention discloses a preparation method of rice germ inhibitor coming from xylose. The method includes the following steps of firstly, preparing compound xylose into a xylose solution; secondly, heating the xylose solution in a high-pressure and high-temperature heating kettle to 126 DEG C, and keeping the temperature for 30 minutes; thirdly, taking the xylose solution out of the heating kettle, naturally cooling the xylose solution at a room temperature, and forming the rice germ inhibitor; fourthly, conducting antibacterial effect detection on the inhibitor, wherein the obtained inhibitor is prepared into a culture medium, ustilaginoidea virens is planted in and cultured under the appropriate temperature conditions, and it can be seen that the growth and development of ustilaginoidea virens can be strongly restrained through the product obtained by conducting high-temperature treatment on xylose. The method has the advantages that through the simple high-temperature treatment technology, restraining substances for restraining the growth and development of ustilaginoidea virens efficiently can be obtained from compound xylose.

Description

technical field [0001] The present invention relates to plant pathology technology and pesticide science technology. Specifically, it is a preparation method of an inhibitor of rice smut bacteria derived from 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 has always...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N61/00A01P3/00
CPCA01N61/00
Inventor 王忠文杨平浦相君时婷婷曾东强张君成
Owner GUANGXI UNIV
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