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Biogenic synergistic compound herbicide containing n-nonanoic acid and preparation method thereof

A technology of biological sources and herbicides, applied in botany equipment and methods, biocides, herbicides and algicides, etc., can solve problems such as residual poisons and phytotoxicity, yield reduction of next crops, emergence of weed resistance, etc. Achieving good control effect

Active Publication Date: 2014-12-10
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to improper use, mist drift, leaching, and liquid volatilization, chemical herbicides not only seriously affect the growth and development of crops, but also bring about an increase in the population of drug-resistant weeds, the emergence of weed resistance, residual poisons and phytotoxicity, and lower Stubble crop yield reduction, land degradation and other issues
There is no compounding of eucalyptus oil and nonanoic acid or a compound biological herbicide based on the compounding of eucalyptus oil and nonanoic acid, nor is there any synergistic blending of eucalyptus oil and other herbicides to report

Method used

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  • Biogenic synergistic compound herbicide containing n-nonanoic acid and preparation method thereof
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  • Biogenic synergistic compound herbicide containing n-nonanoic acid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1: Preparation of 50% eucalyptus oil nonanoic acid emulsifiable concentrate

[0051] The 50% described in this embodiment is a mass percentage, and the eucalyptus oil nonanoic acid emulsifiable concentrate means the emulsifiable concentrate obtained by compounding eucalyptus oil and pelargonic acid;

[0052] At 20-25°C, take 50 parts of eucalyptus oil and nonanoic acid mixture, the mixing ratio of eucalyptus oil and nonanoic acid is 1:4, add 10 parts of azone and 20 parts of white oil sequentially on the basis of the above mixture, 3 parts of sodium dodecylbenzene sulfonate and 7 parts of octylphenol polyoxyethylene ether, 100% of methyl oleate, stirring at a stirring speed of 200-500 rpm for 10-30 minutes, can be prepared 50 % Eucalyptus Oil · Nonanoic Acid Eco-friendly EC.

Embodiment 2

[0053] Embodiment 2: 40% eucalyptus oil·nonanoic acid water emulsion preparation

[0054] The 40% described in this embodiment is a mass percentage, and the eucalyptus oil-nonanoic acid water emulsion means the water emulsion obtained by compounding eucalyptus oil and nonanoic acid;

[0055] At 20-25°C, take 40 parts of a mixture of eucalyptus oil and nonanoic acid, the compounding ratio of eucalyptus oil and nonanoic acid is 3:7, and add 2 parts of azone and styryl block to the above mixture in sequence 5 parts of polyether, 3 parts of octylphenol polyoxyethylene ether phosphate, 5 parts of ethylene glycol, after mixing evenly, add 100 parts of aqueous solution containing 0.05% xanthan gum to make up 100 parts, and the speed of high-speed shearing machine is 8000 rpm Stir for 20 to 30 minutes to prepare 40% eucalyptus oil·nonanoic acid aqueous emulsion.

Embodiment 3

[0056] Embodiment 3: 30% eucalyptus oil·nonanoic acid microemulsion preparation

[0057] The 30% described in this embodiment is a mass percentage, and the eucalyptus oil-nonanoic acid microemulsion represents the microemulsion obtained by compounding eucalyptus oil and nonanoic acid;

[0058] At 20-25°C, take 30 parts of a mixture of eucalyptus oil and nonanoic acid, the compounding ratio of eucalyptus oil and nonanoic acid is 2.5:7.5, then add 5 parts of azone and 13 parts of dodecane to the above mixture in sequence Calcium phenylbenzenesulfonate, 2 parts of styrene phenol polyoxyethylene (n30) ether, 2 parts of nonylphenol polyoxyethylene ether, 5 parts of ethylene glycol, after mixing evenly, make up 100 parts of water, at a stirring speed of 800-1000 30% eucalyptus oil·nonanoic acid microemulsion can be prepared by stirring for 20 to 30 minutes at rpm.

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Abstract

The invention relates to a biogenic synergistic compound herbicide containing n-nonanoic acid and a preparation method thereof. According to the prepared biogenic synergistic compound herbicide, eucalyptus oil and n-nonanoic acid serve as main active ingredients, and a mass ratio of the eucalyptus oil to n-nonanoic acid is equal to (1:10) to (10:1). The herbicide, prepared from the main active ingredients with auxiliaries, can be prepared in the forms of missible oil, a micro-emulsion and an emulsion in water. As a novel biogenic herbicidal product, the biogenic synergistic compound herbicide has a quite high field controlling and eliminating effect on gramineous weeds and broadleaf weeds, and has high application and promotion value in the aspect of organic crops.

Description

technical field [0001] The invention belongs to the technical field of biopesticides, and specifically relates to a nonanoic acid-containing biosource synergistic compound herbicide and a preparation method thereof. Background technique [0002] The widespread use of chemical pesticides has played a huge role in ensuring high and stable crop yields. However, the long-term use of chemical pesticides has also brought many disadvantages, such as environmental pollution, direct poisoning of non-target organisms, and resistance of harmful organisms. In recent years, with the development of integrated pest management (IPM) theory, the implementation of human sustainable development strategy and the improvement of human health and environmental safety requirements, environmental compatibility, safety, high efficiency, low toxicity and low residue and The research and development of economical and easy-to-use bio-sourced pesticides are increasingly being questioned by people. [0...

Claims

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Application Information

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IPC IPC(8): A01N65/28A01P13/00A01N37/02
Inventor 张兴周一万吴华高保卫张璟
Owner NORTHWEST A & F UNIV
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