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Plant source synergistic mixture acaricide and preparation method thereof

An acaricide and plant-derived technology, applied in the field of pesticides, can solve the problem of no mixed acaricide, etc., and achieve the effects of significant control effect, alleviation of environmental pressure, and suitable duration of effect.

Inactive Publication Date: 2012-04-11
馥稷生物科技发展(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] According to the data search done by the applicant, there is no compound acaricide based on the combination of dihydrosanginarine and tripterygium alkaloids or based on the combination of dihydrosanginarine and tripterygium alkaloids

Method used

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  • Plant source synergistic mixture acaricide and preparation method thereof
  • Plant source synergistic mixture acaricide and preparation method thereof
  • Plant source synergistic mixture acaricide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Example 1: Indoor combined toxicity study of dihydrosanginarine and tripterygium alkaloids on hawthorn Tetranychus

[0061] 1.1 Test materials

[0062] Test insect: Hawthorn spider mite (Tetranychus viennensis Zacher): the test insect is a female adult mite with the same size and development, collected from an apple tree in the yard of the Pollution-free Pesticide Research Service Center of Northwest A&F University;

[0063] Test agents: Dihydrosanginarine, provided by the Northwest A&F University Pollution-Free Pesticide Research Service Center, with a content of >90%; 30%.

[0064] 1.2 Determination method

[0065]The poisoning effect on the hawthorn spider mite adopts the dipping method recommended by FAO. Stick a 2.5cm wide double-sided adhesive tape horizontally on one end of the glass slide (length equal to the width of the slide). Use a No. 0 brush to pick up strong female adult mites (healthy and lively, with basically the same individual size and color), an...

Embodiment 2

[0099] Example 2: Preparation of 1.5% dihydrosanginarine·tripterygium alkaloid environment-friendly emulsifiable concentrate (1)

[0100] At 20-25°C, take 1 part of dihydrosanguinarine and 0.5 part of tripterygium alkaloids, add 20 parts of engine oil, 20 parts of diesel oil, 1 part of ten Sodium dialkylbenzene sulfonate, 6 parts of octylphenol polyoxyethylene ether, 6 parts of nonylphenol polyoxyethylene ether formaldehyde condensate and 2 parts of agricultural anion-phosphate, and then 43.5 parts of ethyl acetate as a solvent 1.5% dihydrosanginarine·tripterygium alkaloid emulsifiable concentrate can be prepared by stirring at a stirring speed of 800-1000 rpm for 10-30 minutes.

Embodiment 3

[0101] Example 3: Preparation of 1.5% dihydrosanginarine·tripterygium alkaloid environment-friendly emulsifiable concentrate (2)

[0102] At 20-25°C, take 1.5 parts of dihydrosanginarine·tripterygium alkaloids (the compounding ratio of dihydrosanginarine and tripterygium alkaloids is 2:1), and add 10 parts of organic Silicon, 78.5 parts of diesel oil, 6 parts of sodium dodecylbenzene sulfonate, 2 parts of octylphenol polyoxyethylene ether and 2 parts of styrene ethylphenol polyoxyethylene polyoxypropylene ether, at a stirring speed of 800-1000 rpm Stir for 10-30 minutes to prepare 1.5% dihydrosanginarine·tripterygium alkaloid emulsifiable concentrate.

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Abstract

The invention discloses a plant source synergistic mixture acaricide comprising dihydrosanguinarine and a preparation method thereof. The preparation is emulsifiable concentrate, microemulsion or water emulsion, and the preparation is mianly used for preventing tetranychus viennensis and tetranychus cinnabarinus. The preparation comprises 0.1%-20% of the dihydrosanguinarine, 0.1%-20% of tripterygium alkaloid, and some additive. The plant source synergistic mixture acaricide does not have any chemical pesticide components, has low-toxic property for people and livestock, has performance of environment-friendly, prevents the mite disasters of fruit trees, vegetables and flowers and has great application and popularization values, so it is new non-pollution insecticide.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a plant-derived synergistic compound acaricide and its preparation, specifically an acaricide with two plant-source substances, dihydrosanginarine and tripterygium alkaloids, as active ingredients and its preparation method. Background technique [0002] Plant pesticides are abundant on the earth. It is estimated that there are 10,000 species of plants on the earth, among which poisonous plant species account for about 4% of the total number of plant species. The United States has successfully developed a method for identifying the toxicity of plant extracts, and has tested 739 kinds of higher plants. The results are compiled into a table and input into the computer. Through a special program, the most effective plant extract for preventing and controlling a specific pest can be obtained at any time. Materials; 886 kinds of insecticidal plants, 150 kinds of nematodecidal plant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/14A01N43/90A01P7/02A01P7/04
Inventor 高保卫祝传书何军安凤秋魏会新冯俊涛张兴
Owner 馥稷生物科技发展(上海)有限公司
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