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Composite plant source molluscicide for preventing and treating ampullaria gigas, and preparation method and application thereof

A technology of molluscicide and plant source, which is applied in the field of compound plant source molluscicide and its preparation, can solve the problems of chemical molluscicide environmental toxicity, slow onset of effect, poisonous aquatic organisms, etc., and achieves simple and convenient preparation method, The effect of less environmental pollution and low cost

Inactive Publication Date: 2021-02-23
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the chemical molluscicides contained in the formulations disclosed in these inventions are toxic to the environment, or are toxic to aquatic organisms, or have slow onset of action

Method used

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  • Composite plant source molluscicide for preventing and treating ampullaria gigas, and preparation method and application thereof
  • Composite plant source molluscicide for preventing and treating ampullaria gigas, and preparation method and application thereof
  • Composite plant source molluscicide for preventing and treating ampullaria gigas, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation of plant water extract described in embodiment 1

[0025] (1) Collect fresh leaves and lantana roots respectively, clean them after collection, and drain the surface water.

[0026] (2) The plants collected above are cut into small sections of 0.5-1 cm.

[0027] (3) Put the plant segments prepared in step (2) into a 200-300-mesh pulverizer for pulverization.

[0028] (4) Weigh 50g of the crushed plants prepared in step (3) respectively, add 5 times the volume of sterilized water, put them in a refrigerator at 4°C overnight and grind them, and filter the grinding solution with sterile gauze to obtain the water extract.

Embodiment 2

[0029] Embodiment 2 prepares 1000g compound plant source molluscicide

[0030] formula

[0031]

[0032] Get the water extract of Polygonum canada flower leaf and lantana root water extract of above-mentioned formula quantity, add the sterilized water dilution of formula quantity, then add the active ingredient stabilizer Tween 80 of formula quantity and preservative (this embodiment is Sorbic acid), after mixing evenly, let it stand overnight, filter and obtain the compound botanical molluscicide, label it and put it in the refrigerator for later use.

Embodiment 3

[0033] Embodiment 3 prepares 1000g compound plant source molluscicide

[0034]

[0035] Get the water extract of Polygonum canada flower and leaf of above-mentioned formula quantity, the lantana root water extract mixes, add the ultrapure water of formula quantity and dilute, then add the active ingredient stabilizer Tween 80 of formula quantity and preservative (the present embodiment It is sodium benzoate), after mixing evenly, let it stand overnight, after filtering, a compound botanical molluscicide is obtained, which is labeled and placed in the refrigerator for later use.

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Abstract

The invention discloses a composite botanical molluscicide for preventing and treating ampullaria gigas and a preparation method and application of the molluscicide. The molluscicide is prepared fromthe following raw materials in percentage by weight: 40-45% of solidago canadensis leaf water extract, 45-50% of lantana camara root water extract, 0.1-0.2% of an active ingredient stabilizer, 0.1-0.2% of a preservative and the balance of ultrapure water. The feed additive is rich in raw material resources, low in cost, good in molluscicidal effect, continuous and stable in pesticide effect, freeof toxic effect on freshwater fishes and capable of meeting the environmental protection requirement.

Description

technical field [0001] The invention relates to the technical field of agents for preventing and controlling harmful molluscs, in particular to a compound botanical molluscicide for preventing and controlling apple snails, a preparation method and application thereof. Background technique [0002] Apple snails (Pomacea), also known as big bottle snails and apple snails, are international vicious pests. The snail is native to the Amazon River Basin in South America and was introduced to Asia in the early 1980s. It was abandoned due to poor management and poor taste; serious hazard. Apple snails have extremely strong fecundity, spread and spread quickly, and have become serious agricultural pests in most provinces and regions south of the Yangtze River. Today, apple snails are widely distributed in most provinces and regions south of 30° north latitude in my country, including Zhejiang, Fujian, Guangdong, Hainan, Guangxi, Yunnan, Guizhou, Hunan, Jiangxi, Chongqing, Sichuan, ...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01N25/22A01P9/00
CPCA01N65/00A01N65/12A01N25/22A01N65/08A01P9/00
Inventor 刘光富俞晓平张蓬军申屠旭萍杨倩倩许益鹏郝培应尹传林
Owner CHINA JILIANG UNIV
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