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A high-efficiency ecological insecticide and antibacterial agent with slow-release function and its use method and application

A technology of bacteriostatic agent and slow-release agent, which is applied in the field of pesticide preparation, can solve the problems that the effectiveness of biopesticides cannot be known, biopesticides do not have slow-release effects, and unpublished experimental data on insecticidal performance. Achieve the effects of reducing pollution and pesticide residues, prolonging the drug action time, and reducing the amount of drugs used

Active Publication Date: 2018-07-31
QINGDAO BZ OLIGO BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention patent with the application number CN201310387107.1 discloses a biopesticide, which consists of 30-60 parts of humic acid, 5-20 parts of K7 rare earth, 20-40 parts of zeolite powder, 10-30 parts of azone, shell The polysaccharide is composed of 1-5 parts, but the biopesticide of the above formula does not have a slow-release effect. The above application does not disclose the experimental data of its insecticidal performance, so the effectiveness of the above biopesticide is unknown.

Method used

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  • A high-efficiency ecological insecticide and antibacterial agent with slow-release function and its use method and application

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Experimental program
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Effect test

Embodiment 1

[0041] (1) A kind of high-efficiency ecological insecticide and antibacterial agent with slow-release function, is made up of following components by weight: 10 parts of chitosan, 60 parts of chitosan oligosaccharides, 20 parts of sodium alginate, 50 parts of humic acid, 15 parts of azone, 10 parts of dimethyl phosphite, 6 parts of benzoic acid;

[0042] (2) the preparation method of above-mentioned insecticide and antibacterial agent:

[0043] 1) Dissolve chitosan oligosaccharides, slow-release agents, humic acid and phosphite diester compounds in water, dissolve azone and benzoic acid in ethanol, stir well and add the above mixture to CaCl 2 In the aqueous solution, calcium alginate microspheres are formed;

[0044]2) dissolving chitosan in an aqueous solution of acetic acid;

[0045] 3) The solutions obtained in step 1) and step 2) were mixed, and ultrasonically oscillated for 5 minutes to obtain the product insecticidal and bacteriostatic agent.

Embodiment 2

[0047] (1) A kind of high-efficiency ecological insecticide and antibacterial agent with slow-release function, is made up of following components by weight: 20 parts of chitosan, 70 parts of chitosan oligosaccharides, 35 parts of sodium alginate, 40 parts of humic acid, 10 parts of azone, 8 parts of dimethyl phosphite, 10 parts of benzoic acid;

[0048] (2) the preparation method of above-mentioned insecticide and antibacterial agent:

[0049] 1) Dissolve chitosan oligosaccharides, slow-release agents, humic acid and phosphite diester compounds in water, dissolve azone and benzoic acid in ethanol, stir well and add the above mixture to CaCl 2 In the aqueous solution, calcium alginate microspheres are formed;

[0050] 2) dissolving chitosan in an aqueous solution of acetic acid;

[0051] 3) The solutions obtained in step 1) and step 2) were mixed, and ultrasonically oscillated for 15 minutes to obtain the product insecticidal and bacteriostatic agent.

Embodiment 3

[0053] (1) A high-efficiency ecological insecticide and bacteriostatic agent with slow-release function, consisting of the following components in parts by weight: 30 parts of chitosan, 80 parts of chitosan oligosaccharides, 55 parts of potassium alginate, 30 parts of humic acid, 8 parts of azone, 15 parts of dimethyl phosphite, 8 parts of benzoic acid;

[0054] (2) the preparation method of above-mentioned insecticide and antibacterial agent:

[0055] 1) Dissolve chitosan oligosaccharides, slow-release agents, humic acid and phosphite diester compounds in water, dissolve azone and benzoic acid in ethanol, stir well and add the above mixture to CaCl 2 In the aqueous solution, calcium alginate microspheres are formed;

[0056] 2) dissolving chitosan in an aqueous solution of acetic acid;

[0057] 3) Mix the solutions obtained in step 1) and step 2), and ultrasonically vibrate for 30 minutes to obtain the product insecticidal and bacteriostatic agent.

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Abstract

The invention discloses an efficient ecological insecticidal fungicide with a slow release function. The fungicide is prepared from chitosan, chitosan oligosaccharide, alginate, humic acid, azone, phosphite diester compounds and benzoic acid. The invention further discloses a preparation method of the insecticidal fungicide. The efficient ecological insecticidal fungicide with the slow release function has the high insecticidal and fungicidal effect and the slow release and controlled release effect, is long in insecticidal and fungicidal lasting period, can decrease the insecticide dosage, is efficient, environmentally friendly, free of residues and capable of achieving the broad-spectrum insecticidal effect, and has the important social benefit, economic benefit and ecological benefit.

Description

technical field [0001] The invention relates to the technical field of pesticide preparation, in particular to a high-efficiency ecological insecticide and antibacterial agent with slow-release function and its use method and application. Background technique [0002] my country is a large agricultural country, the production of chemical pesticides ranks second in the world, and the utilization rate ranks the highest in the world. Tens of thousands of people are poisoned by pesticides every year, 70% of which are poisoned by organophosphorus pesticides, and their environmental pollution and ecological damage are extremely serious. . Therefore, reducing the use of chemical pesticides, enhancing the ability of green plants to prevent and resist diseases, using biological products and measures to enhance the healthy growth of plants themselves, and realizing a virtuous circle of ecology are the research focuses in the field of agricultural applications in the world today. In or...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/16A01N61/00A01P3/00A01P5/00
CPCA01N43/16A01N61/00A01N2300/00
Inventor 张娜娜张斌管昶徐小龙王丽丽
Owner QINGDAO BZ OLIGO BIOTECH
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