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Daucosterol plant miticide and purpose thereof

A kind of acaricide and plant technology, which is applied in the field of carotin-killing water emulsion and its preparation, can solve the problems that there is no report on the application of carotin, and achieve the goals of promoting pesticide penetration into plant epidermis, simple extraction method, and improving acaricidal effect Effect

Inactive Publication Date: 2013-05-01
BEIJING UNIV OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no application report of carotin in the preparation of botanical acaricides in the existing literature; there is no harmonious pesticide with good environmental compatibility and safety for mammals.

Method used

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  • Daucosterol plant miticide and purpose thereof
  • Daucosterol plant miticide and purpose thereof
  • Daucosterol plant miticide and purpose thereof

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0026] Experimental Example 1: Inhibition experiment of the carotenoid plant acaricidal water emulsion of the present invention on Tetranychus cinnabarinus.

[0027] According to the raw materials and method described in Example 1 of the present invention, the carrotin plant acaricidal emulsion in water of the present invention was prepared, and the acaricidal activity experiment was carried out. The dilution factor is shown in Table 1:

[0028] Table 1 Concentration Dilution Multiple Comparison Table

[0029]

[0030] The experimental results are shown in Table 2 and Table 3.

[0031] Table 2 carrotin aqueous emulsion is to the contact killing effect of Tetranychus cinnabarinus (12 hours)

[0032]

[0033] Table 3 carrotin aqueous emulsion is to the contact killing effect of Tetranychus cinnabarinus (24 hours)

[0034]

[0035] Experimental results show that the carotin plant acaricide of the present invention has significant contact killing effect on Tetranychus ...

Embodiment 1

[0037] Embodiment 1: carotenoid plant acaricidal aqueous emulsion of the present invention

[0038] Carotin 10kg, soybean oil 20kg, ethanol 5kg, Tween-80 3.5kg, diatomaceous earth 6Kg, isopropanol 2Kg, sodium benzoate 0.1Kg, organic silicon 0.1Kg.

[0039] Take the raw materials according to the weight ratio, dissolve carrotin with soybean oil and ethanol, add diatomaceous earth and mix evenly, grind with a colloid mill for 30 minutes, add 30kg of water, Tween-80, isopropanol, sodium benzoate and organic silicon, Continue to grind on the colloid mill for 30 minutes, move to the emulsification tank, add water to 100kg, and stir at a speed of 6000 rpm for 25 minutes to obtain the carotin water emulsion of the present invention, dilute it by 100-300 times and use it. Use spray to control Tetranychus cinnabarinus.

Embodiment 2

[0040] Embodiment 2: carotenoid plant acaricidal aqueous emulsion of the present invention

[0041] Carotin 20kg, soybean oil 35kg, ethanol 8kg, Tween-80 6.5kg, diatomaceous earth 6Kg, isopropanol 2Kg, sodium benzoate 0.1Kg, organic silicon 0.1Kg.

[0042] Take the raw materials according to the weight ratio, dissolve carrotin with soybean oil and ethanol, add diatomaceous earth and mix evenly, grind with a colloid mill for 30 minutes, add 30kg of water, Tween-80, isopropanol, sodium benzoate and organic silicon, Continue to grind on the colloid mill for 30 minutes, move to the emulsification tank, add water to 100kg, and stir at a speed of 6000 rpm for 25 minutes to obtain the carotin water emulsion of the present invention, dilute it by 100-300 times and use it. Use spray to control Tetranychus cinnabarinus.

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Abstract

The invention provides a mite-killing water emulsion, which is prepared by using daucosterol as main raw material and adding a solvent, a solubilizer, an emulsifier and other auxiliary materials to the daucosterol. The mite-killing water emulsion is an environment-friendly acceptable pesticide, which is safe to animals and human beings, and has a profound significance for the long-term development of the ecological environment, the health of the human beings and the comprehensive treatment of the diseases. Compared with the traditional pesticide, the mite-killing water emulsion has the following characteristics and advantages: 1, the daucosterol is abundant in nature, the content is higher especially in plants, the toxicity of the daucosterol is low, and the daucosterol is easily degradable and is safe for the ecological environment; 2, the extracting method of the daucosterol is simpler, and the daucosterol can be extracted by techniques of a liquid phase chromatographic separation method and the like; 3, the daucosterol also can be synthesized artificially, has low cost, is easily used for industrial large-scale production; 4, due to physical and chemical properties, the daucosterol can be dissolved in a plurality of solvents, is easily blended with other mite-killing components for preparing pesticide, and can play a role in improving mite-killing effect; and 5, with soybean oil as solvent, the daucosterol plant miticide water emulsion provided by the invention is non-toxic and environment friendly, can be used for increasing the solubility of the daucosterol in the water and also plays a role in promoting the effect that the pesticide permeates into the plant skin.

Description

technical field [0001] The invention relates to a carotin plant weed killer and its preparation method and use, and particularly relates to a carotenoid weed killer emulsion in water, a preparation method thereof and a new use for killing acarids. Background technique [0002] Scopoletine, also known as; molecular formula: C 35 h 60 o 6 ; Molecular weight: 576.9; Colorless crystal needle; Soluble in methanol. Carotenoids mainly exist in plant roots and rhizomes, and are widely used in the prevention or treatment of Parkinson's disease, anti-tumor and other fields. Studies have shown that carotene has anti-fungal and bacterial effects and can act as an antioxidant. However, there is no report on the application of carotene in the preparation of botanical acaricides in the existing literature; there is no harmonious pesticide that is compatible with the environment and safe for mammals. Contents of the invention [0003] The purpose of the present invention is to disclo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N45/00A01N25/04A01P7/02
Inventor 王有年成军师光禄马兰青卜春亚靳永胜
Owner BEIJING UNIV OF AGRI
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