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A molluscicide bacterium and method for preparing biological molluscicide

A technology of molluscicide and bacteria, which is applied in the field of microorganisms, can solve problems such as irreversible damage to the environment, and achieve the effects of low cost, environmental friendliness, and simple preparation methods

Inactive Publication Date: 2019-06-18
INST OF FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

At present, the main molluscicides are chemical drugs, which are likely to cause irreversible damage to the environment

Method used

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  • A molluscicide bacterium and method for preparing biological molluscicide
  • A molluscicide bacterium and method for preparing biological molluscicide
  • A molluscicide bacterium and method for preparing biological molluscicide

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Embodiment

[0026] Example: a mollusc-killing bacterium, Enterobacter cloacae, B2, the biological deposit number of said mollusc-killing bacterium is CCTCC M 2014103, which is Enterobacter cloacae.

[0027] The mollusc-killing bacterium CCTCC M 2014103 of the present invention is obtained by screening from cypress branches and leaves, and its biological characteristics are as follows:

[0028] (1) Morphological features: Gram staining of the bacterium was negative, and the bacterium was observed under a light microscope with a 16×100 oil lens as a thick and short rod.

[0029] (2) Culture characteristics: It grows well in YEB solid medium, and the colonies are round, white and translucent at the initial stage, and light yellow in the later stage, and the colonies are large, moist and mucus-like.

[0030] The 16SrRNA sequence of the molluscicide bacterium CCTCC M 2014103 is shown in SEQ ID NO.1, wherein the 16srRNA sequence has 462 bases, and the sequence is input into the GenBank database...

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Abstract

The invention discloses a molluscicide bacterium and a method for preparing a biological molluscicide. The molluscicide Enterobacter cloacae, B2, has a biological preservation number of CCTCC M 2014103, and the molluscicide CCTCC M 2014103 is Enterobacter cloacae, It is screened from cypress branches and leaves, and can kill oncomelania quickly and effectively. Compared with existing microorganisms, the present invention provides a bacterium that can kill oncomelania, which can be directly used as a biological molluscicide. The biological molluscicide prepared by the molluscicide CCTCC M 2014103 is comparable to traditional chemical molluscicides. Compared, the preparation method is simple, the cost is low, and the environment is friendly.

Description

technical field [0001] The invention relates to a microorganism, in particular to a molluscicide bacterium and a method for preparing a biological molluscicide. Background technique [0002] Oncomelania is the only intermediate host of schistosomiasis, and its reproduction and distribution are closely related to the prevalence and spread of schistosomiasis. Therefore, suppressing snails and killing snails is considered to be an important way to prevent the spread of schistosomiasis. At present, the main molluscicides are chemical drugs, which are likely to cause irreversible damage to the environment. In recent years, the microbial community structure in plants has received extensive attention and research. Scholars at home and abroad have found through research that there are a large number of microorganisms in plants, and these microorganisms play an important role in the growth, development, and health of animals. Therefore, the present invention will The direction of re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A01N63/00A01P9/00C12R1/01
CPCA01N63/00C12N1/20C12N1/205C12R2001/01
Inventor 张倩孙启祥袁艺丁洲
Owner INST OF FORESTRY CHINESE ACAD OF FORESTRY
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