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Oncomelania killing medicinal metaldehyde powder and preparation method thereof

A polyacetaldehyde powder, metaldehyde technology, applied in the fields of botanical equipment and methods, biocides, biocides, etc., can solve the problems of difficult dispersion, difficult use, poor use effect, etc., to increase the killing of snails. effect, reduce the cost of medication, improve the effect of dispersibility

Active Publication Date: 2011-10-19
JIANGSU ESSENCE AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Metaldehyde is insoluble in water, it is difficult to disperse, and it is difficult to use on-site molluscicide
At present, there are 10% Medali Sand Granules (LONZA Company), 40% Medali Water Suspension Concentrate, 4% Medali Paste, and bait preparations, etc., which have been tested to kill molluscs, but these preparations are mainly suitable for apple snails, slugs, etc. Soft animals with larger body and larger feeding habits are less effective in killing oncomelanias that are smaller, omnivorous and eat less
Metaldehyde mainly dehydrates mollusc cells to death, so it is less effective in water bodies.

Method used

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  • Oncomelania killing medicinal metaldehyde powder and preparation method thereof
  • Oncomelania killing medicinal metaldehyde powder and preparation method thereof
  • Oncomelania killing medicinal metaldehyde powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Example 1: Preparation of 1% acetaldehyde powder

[0011] In terms of mass percentage, 1% acetaldehyde, 0.1% sodium lauryl sulfonate, 0.9% alkylphenol polyoxyethylene ether formaldehyde polycondensate sulfate, 0.5% sodium bicarbonate, 97.5% kaolin, after mixing, It is pulverized by a jet mill (the working pressure of the mill is 0.6Mpa-1.0Mpa) to obtain tetraformaldehyde powder.

Embodiment 2

[0012] Example 2: Preparation of 5% acetaldehyde powder

[0013] In terms of mass percentage, 5% acetaldehyde, 1% sodium lauryl sulfate, 1% MORWETEFW, 1% sodium carbonate, 92% bentonite, after mixing, are crushed by a jet mill (the working pressure of the mill is 0.6Mpa- 1.0Mpa) to obtain tetraacetaldehyde powder.

Embodiment 3

[0014] Example 3: Preparation of 10% acetaldehyde powder

[0015] In terms of mass percentage, 10% acetaldehyde, 0.5% GEROPONL-WET / P, 1.5% alkylphenol polyoxyethylene ether formaldehyde polycondensate sulfate, 2% sodium bicarbonate, 86% diatomaceous earth, after mixing, It is pulverized by a jet mill (the working pressure of the mill is 0.6Mpa-1.0Mpa) to obtain tetraformaldehyde powder.

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PUM

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Abstract

The invention discloses oncomelania killing medicinal metaldehyde powder. The powder comprises the following components in percentage by mass: 1-50 percent of metaldehyde, 0.5 -2.0 percent of wetting agent, 0.2-2.0 percent of pH regulator and the balance of filler. The oncomelania killing effect of the metaldehyde is enhanced by using the oncomelania killing medicinal metaldehyde powder which is convenient to use and favorable for killing oncomelania in dry and water lacking marshlands, has low toxicity to aquatic organisms such as fish and the like, can also be used at the bank side of a culture zone, solves the situation that no agent is available for the culture zone, and lays a foundation for further controlling trematodiasis.

Description

Technical field [0001] The invention belongs to the technical field of oncomelania drug preparations, and specifically relates to an oncomelania drug tetraacetaldehyde powder. Background technique [0002] Niclosamide is the only snail-killing drug recommended by the World Health Organization for on-site use in my country, but its medication is single, which is highly toxic to aquatic organisms and its application is limited. Metaldehyde is mainly used to kill molluscs such as snails and slugs. It is assessed by the World Health Organization as a low-toxic pesticide and has little toxicity to aquatic organisms. It is widely used in agriculture. For example, it is used to kill snails. "Wait. Because Oncomelania (the intermediate host of Schistosoma japonicum) is also a mollusc, people want to develop acetaldehyde to kill Oncomelania. Tetraacetaldehyde is insoluble in water and difficult to disperse. It is difficult to use on-site snail control. Therefore, people try to achieve ...

Claims

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Application Information

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IPC IPC(8): A01N25/12A01N43/24A01P9/00
Inventor 梁晓天张申伟戴建荣
Owner JIANGSU ESSENCE AGROCHEM
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