Fumigation agent for preventing and treating wireworms and preparation method thereof

A technology of fumigant and wireworm, which is applied in the field of fumigant for preventing and treating wireworm and its preparation, can solve the problems of lack of fumigant for wireworm, and achieve the effect of remarkable insecticidal effect, good insecticidal effect and reasonable formula

Inactive Publication Date: 2017-03-22
ZHENGZHOU SIBIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the purpose of the present invention is to address the deficiencies in the prior art, provide a kind of fumigant for preventing and treating needleworm and its preparation method, and solve the problem that the current prior art lacks the fumigant specially used for needleworm

Method used

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  • Fumigation agent for preventing and treating wireworms and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A fumigant for preventing and treating needleworm, comprising the following raw materials in parts by weight: 8 parts of Tripterygium wilfordii extract, 14 parts of hemlock extract, 4 parts of malachite extract, 9 parts of geranium extract, 4 parts of star anise extract, 10 parts of spearmint extract, 3 parts of disintegrating agent, 4 parts of dispersing agent, 6 parts of lubricant and 50 parts of carrier, wherein said disintegrating agent is urea, and said dispersing agent is sodium lignosulfonate, said The lubricant is coconut oleic acid, and the carrier is kaolin.

[0038] Wherein, the preparation method of the tripterygium wilfordii extract is: select clean and dried tripterygium wilfordii, crush it to 20 meshes, then add 16 times the weight of an ethanol solution with a volume fraction of 90%, and perform Soxhlet extraction at 50°C for 10 hours , filter, collect the extract, concentrate under reduced pressure, and vacuum dry to obtain the tripterygium wilfordii ex...

Embodiment 2

[0047] A fumigant for preventing and treating needleworm, comprising the following raw materials in parts by weight: 18 parts of Tripterygium wilfordii extract, 6 parts of hemlock extract, 16 parts of malachite extract, 5 parts of geranium extract, 8 parts of star anise extract, 4 parts of spearmint extract, 5 parts of disintegrating agent, 2 parts of dispersing agent, 4 parts of lubricant and 70 parts of carrier, wherein the disintegrating agent is sodium alginate, and the dispersing agent is α-sulfo fatty acid methyl ester, the lubricant is Tween 20, and the carrier is bentonite.

[0048] Wherein, the preparation method of the tripterygium wilfordii extract is: select clean and dried tripterygium wilfordii, crush it to 40 mesh, then add 12 times the weight of an ethanol solution with a volume fraction of 70%, and extract it for 6 hours at 60°C , filter, collect the extract, concentrate under reduced pressure, and vacuum dry to obtain the tripterygium wilfordii extract;

[0...

Embodiment 3

[0057] A fumigant for preventing and treating needleworm, comprising the following raw materials in parts by weight: 13 parts of Tripterygium wilfordii extract, 10 parts of hemlock extract, 10 parts of malachite extract, 7 parts of geranium extract, 6 parts of star anise extract, 7 parts of spearmint extracts, 4 parts of disintegrants, 3 parts of dispersants, 5 parts of lubricants and 60 parts of carriers, wherein the disintegrator is ammonium sulfate, and the dispersant is sodium lignosulfonate. The lubricant is Tween 20, and the carrier is white carbon black.

[0058] Wherein, the preparation method of the tripterygium wilfordii extract is: select clean and dried tripterygium wilfordii, crush it to 30 mesh, then add 14 times the weight of an ethanol solution with a volume fraction of 80%, and perform Soxhlet extraction at 60°C for 9 hours , filter, collect the extract, concentrate under reduced pressure, and vacuum dry to obtain the tripterygium wilfordii extract;

[0059] ...

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Abstract

The invention discloses a fumigation agent for preventing and treating wireworms. The fumigation agent comprises, by weight, 8-18 parts of tripterygium wilfordii extract, 6-14 parts of Northern water hemlock extract, 4-16 parts of maidenhair extract, 5-9 parts of pelargonium hortorum extract, 4-8 parts of illicium verum extract, 4-10 parts of menthe spicata extract, 3-5 parts of disintegrating agent, 2-4 parts of dispersing agent, 4-6 parts of lubricating agent and 50-70 parts of carriers. On one hand, effective components of the fumigation agent for preventing and treating the wireworms are from natural substances, will not break the balance of a soil system after being applied to soil, and are free of pollution to environment and residues, meanwhile, free of hurt to human bodies during application and good in killing effect on insects.

Description

technical field [0001] The invention relates to a fumigant and a preparation method thereof, in particular to a fumigant for preventing and treating needleworms and a preparation method thereof. Background technique [0002] Fumigants are a relatively special class of substances among many pesticides. It refers to a medicament that can produce a gas concentration that is lethal to harmful organisms under the required temperature and pressure. The toxic vapor of the fumigant generally enters the respiratory system directly through the epidermis or valve of the pest, thereby penetrating into the blood to poison the pest. Death, insecticide is simple and fast, and it is an extremely effective pesticide formulation for controlling pests. [0003] The needleworm is the larvae of the click beetle, which harms plant roots, stem bases, and feeds on organic matter. The larvae live in the soil for a long time, and mainly damage cereals, potatoes, beans, sugar beets, cotton, various v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/22A01N25/18A01P7/04A01P17/00
CPCA01N25/18A01N65/00A01N65/22A01N2300/00Y02A50/30
Inventor 丁艺涵马新攀马成耀郭便荣
Owner ZHENGZHOU SIBIAN TECH CO LTD
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