CN116172023A - Improved broad-spectrum nontoxic biological herbicide composition and preparation method thereof - Google Patents
Improved broad-spectrum nontoxic biological herbicide composition and preparation method thereof Download PDFInfo
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- CN116172023A CN116172023A CN202310133496.9A CN202310133496A CN116172023A CN 116172023 A CN116172023 A CN 116172023A CN 202310133496 A CN202310133496 A CN 202310133496A CN 116172023 A CN116172023 A CN 116172023A
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Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/06—Coniferophyta [gymnosperms], e.g. cypress
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P13/00—Herbicides; Algicides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Plant Pathology (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Mycology (AREA)
- Dentistry (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an improved broad-spectrum nontoxic biological herbicide composition and a preparation method thereof, and the composition comprises the following components in parts by weight: 50-100 parts of biocidal botanical composition, 1-10 parts of wetting agent, 2-8 parts of dispersing agent, 3-15 parts of adhesive and 10-30 parts of stabilizer; (1) The invention provides a biochemical effect on weeds by using a cephalotaxus sinensis leaf extract, a marjoram leaf extract and a tarragon extract; (2) The invention uses the essential oil of the citrus aurantium and the methanol extract of the wampee to inhibit the growth of the sprouted weeds, coleoptile and root system; (3) The invention provides the plant extract composition which is used, active ingredients in the plant extract composition are matched with each other, so that the broad spectrum of weeding is realized, and the technical effect of comprehensive weeding is further realized; (4) The invention repeatedly performs experiments to determine the final formula, has strong weeding universality and quick response, and has no harm to crops and environment.
Description
Technical Field
The invention belongs to the technical field of herbicides, and particularly relates to an improved broad-spectrum nontoxic biological herbicide composition and a preparation method thereof.
Background
The chemical pesticide plays a role in controlling harmful organisms, so that the chemical pesticide has become a necessary material guarantee for agricultural production and urban greening, china is a large agricultural country, proper use of the chemical pesticide can effectively play a role in preventing and curing diseases and insect pests, the yield of crops is increased, the annual income of farmers is improved, however, long-term use of the chemical pesticide also brings a plurality of defects such as environmental pollution, direct poisoning to non-target organisms, drug resistance of harmful organisms and the like, and in recent years, along with the development of comprehensive treatment theory of the harmful organisms, implementation of sustainable development strategy of human beings and improvement of requirements of human beings on self health and environmental safety, research and development of biological source pesticides with good environmental compatibility, safety, high efficiency, low toxicity and low residue and economy and convenient use are increasingly valued by people.
The biological herbicide widely exists in natural ecological environment, has the advantages of abundant resources, most of no toxic or side effect, small environmental negative effect, no damage to ecological environment, less residue, strong selectivity, small influence on plants beyond targets, high safety and the like, is widely popularized and used as a biological source herbicide or a bionic herbicide, has extremely important practical significance for promoting the development of modern agricultural production, is a preferred pesticide variety for producing pollution-free agricultural products and organic agricultural products, and has wide market development space.
At present, the biological herbicide layer on the market is endless, so that a great number of problems also appear, for example, patent publication No. CN101176474B discloses a production method of a biological source herbicide, bamboo vinegar liquid, wood vinegar liquid and grass vinegar liquid are used as biological weeding active ingredients, a good weeding effect is achieved under a high-concentration formula, but the high-concentration bamboo vinegar liquid, wood vinegar liquid and grass vinegar liquid also have a certain influence on root growth of crops; the invention provides a broad-spectrum nontoxic biological herbicide composition, which can effectively weed and has no harm to crops and environment.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides an improved broad-spectrum nontoxic biological herbicide composition and a preparation method thereof, and the invention provides a biochemical effect on weeds by using Chinese cephalotaxus sinensis leaf extract, marjoram leaf extract and white-stem artemisia sericea extract; simultaneously, the essential oil of the citrus aurantium and the methanol extract of the wampee are used for inhibiting the germination of weeds, the growth of coleoptile and root systems; the active ingredients in the biocidal plant source composition provided by the invention are matched with each other, so that the broad spectrum of weeding is realized, and the technical effect of comprehensive weeding is further realized; and meanwhile, the final formula is determined through repeated experiments, the weeding universality is strong, the effect is quick, and the weeding composition is harmless to crops and the environment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the invention provides an improved broad-spectrum nontoxic biological herbicide composition and a preparation method thereof, wherein the herbicide composition comprises the following components in parts by weight: 50-100 parts of biocidal botanical composition, 1-10 parts of wetting agent, 2-8 parts of dispersing agent, 3-15 parts of adhesive and 10-30 parts of stabilizer.
Preferably, the herbicide composition comprises the following components in parts by weight: 70-90 parts of biocidal botanical composition, 5-10 parts of wetting agent, 3-8 parts of dispersing agent, 10-15 parts of adhesive and 15-25 parts of stabilizer.
Further, the biocidal botanical composition comprises the following components in parts by weight: 1-10 parts of cephalotaxus sinensis leaf extract, 3-8 parts of marjoram leaf extract, 4-10 parts of artemisia capillaris extract, 2-8 parts of citrus aurantium essential oil and 2-10 parts of wampee methanol extract.
Preferably, the biocidal botanical composition comprises the following components in parts by weight: 5-10 parts of cephalotaxus sinensis leaf extract, 6-8 parts of marjoram leaf extract, 6-10 parts of tarragon extract, 5-8 parts of citrus aurantium essential oil and 3-8 parts of wampee methanol extract.
Further, the wetting agent is one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and alkyl naphthalene sulfonate; the dispersing agent is one or more of sodium lignin sulfonate, calcium lignin sulfonate and sodium methylene dinaphthyl sulfonate.
Further, the adhesive is one or more of xanthan gum, polyvinyl alcohol and white carbon black.
Further, the stabilizer is one or more of ethylene glycol, propylene glycol and glycerin.
The invention also provides a preparation method of the improved broad-spectrum nontoxic biological herbicide composition, which specifically comprises the following steps:
(1) Adding the biocidal plant source composition, the wetting agent, the dispersing agent, the adhesive and the stabilizing agent into a stirrer according to a certain proportion at one time, uniformly stirring, wherein the rotating speed of the stirrer is 200-1000r/min, and the stirring time is 2-10 minutes;
(2) After the raw materials are uniformly mixed, granulating, wherein the particle size of the granulating is 300-3000 mu m;
(3) Sieving according to the granularity of the granulation, and classifying and packaging.
The beneficial effects obtained by the invention are as follows:
(1) The invention provides a biochemical effect on weeds by using a cephalotaxus sinensis leaf extract, a marjoram leaf extract and a tarragon extract; (2) The invention uses the essential oil of the citrus aurantium and the methanol extract of the wampee to inhibit the growth of the sprouted weeds, coleoptile and root system; (3) The active ingredients in the biocidal plant source composition are matched, so that the broad spectrum of weeding is realized, and the technical effect of comprehensive weeding is further realized; (4) The invention repeatedly performs experiments to determine the final formula, has strong weeding universality and quick response, and has no harm to crops and environment.
The invention takes the biocidal plant source composition as the main active ingredient to realize the effect of overall weeding.
Wherein, chinese cephalotaxus isCephalotaxus sinensis) The leaves, branches, seeds and roots of the tree contain more than 20 alkaloid effective components such as cephalotaxine, homocephalotaxine and the like, wherein the desmodium has better weeding activity on dicotyledonous weeds; marjoram (Tulip)Origanμm majorana L.) Is a perennial herb of the genus Oregano in the family Labiatae, and the essential oil extracted from the leaves of Marjoram has pleasant pungent smell, wherein carvacrol can inhibit seed germination of weeds; radix et rhizoma Rhei HaoSeriphidiμm terrae-albae Poljak.) Is a plant of the genus Artemisia of the family Compositae, the extract of which contains volatile oil and alkaloids, wherein alpha-thujaone, beta-thujaone, camphene and eucalyptol can completely inhibit weedsGermination of seeds; fructus Citri LimoniaeCitrus aurantiifolia) Is a citrus, and limonene and citral in essential oil extracted from fruits of citrus have certain inhibition effect on germination of weeds and growth of roots; cortex PhellodendriClausena lansiμm) The formaldehyde extract contains the quercetin lactone II, and has a certain inhibition effect on the growth of barnyard grass roots.
Drawings
FIG. 1 is a graph of the control effect of an improved broad-spectrum non-toxic biological herbicide composition;
FIG. 2 is a graph comparing control effects of an improved broad-spectrum non-toxic biological herbicide composition;
FIG. 3 is a graph showing the effect of an improved broad-spectrum non-toxic biological herbicide composition on corn yield enhancement;
FIG. 4 is a graph showing the effect of a modified broad-spectrum non-toxic biological herbicide composition on corn root systems.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, any methods and materials similar or equivalent to those described herein can be used in the present invention. The preferred methods and materials described herein are illustrative only and should not be construed as limiting the scope of the present application.
The experimental methods in the following examples are all conventional methods unless otherwise specified; the test materials and test strains used in the examples described below, unless otherwise specified, were commercially available.
Example 1
Improved broad-spectrum nontoxic biological herbicide composition
The herbicide composition comprises the following components in parts by weight: 70 parts of biocidal botanical composition, 5 parts of wetting agent, 3 parts of dispersing agent, 10 parts of adhesive and 15 parts of stabilizer.
Wherein, the biocidal botanical composition comprises the following components in parts by weight: the biocidal botanical composition comprises the following components in parts by weight: 5 parts of cephalotaxus sinensis leaf extract, 6 parts of marjoram leaf extract, 6 parts of artemisia capillaris extract, 5 parts of citrus aurantium essential oil and 3 parts of wampee methanol extract.
Wherein the wetting agent is sodium dodecyl sulfate; the dispersing agent is sodium lignin sulfonate, calcium lignin sulfonate and sodium methylene dinaphthyl sulfonate.
Wherein the adhesive is xanthan gum and white carbon black; wherein the stabilizer is glycol and glycerol.
The invention also provides a preparation method of the improved broad-spectrum nontoxic biological herbicide composition, which specifically comprises the following steps:
(1) Adding the biocidal plant source composition, the wetting agent, the dispersing agent, the adhesive and the stabilizing agent into a stirrer according to a certain proportion at one time, uniformly stirring, wherein the rotating speed of the stirrer is 200-1000r/min, and the stirring time is 2-10 minutes;
(2) After the raw materials are uniformly mixed, granulating, wherein the particle size of the granulating is 300-3000 mu m;
(3) Sieving according to the granularity of the granulation, and classifying and packaging.
Example 2
Improved broad-spectrum nontoxic biological herbicide composition
The herbicide composition comprises the following components in parts by weight: 80 parts of biocidal botanical composition, 8 parts of wetting agent, 5 parts of dispersing agent, 12 parts of adhesive and 18 parts of stabilizer.
Wherein, the biocidal botanical composition comprises the following components in parts by weight: the biocidal botanical composition comprises the following components in parts by weight: 8 parts of cephalotaxus sinensis leaf extract, 7 parts of marjoram leaf extract, 8 parts of artemisia capillaris extract, 6 parts of citrus aurantium essential oil and 7 parts of wampee methanol extract.
Wherein the wetting agent is sodium dodecyl sulfate; the dispersing agent is sodium lignin sulfonate, calcium lignin sulfonate and sodium methylene dinaphthyl sulfonate.
Wherein the adhesive is xanthan gum and white carbon black; wherein the stabilizer is glycol and glycerol.
The invention also provides a method for preparing an improved broad-spectrum nontoxic biological herbicide composition, which is carried out according to the embodiment 1.
Example 3
Improved broad-spectrum nontoxic biological herbicide composition
The herbicide composition comprises the following components in parts by weight: 90 parts of biocidal botanical composition, 10 parts of wetting agent, 8 parts of dispersing agent, 15 parts of adhesive and 25 parts of stabilizer.
Wherein, the biocidal botanical composition comprises the following components in parts by weight: the biocidal botanical composition comprises the following components in parts by weight: 10 parts of cephalotaxus sinensis leaf extract, 8 parts of marjoram leaf extract, 10 parts of artemisia capillaris extract, 8 parts of citrus aurantium essential oil and 8 parts of wampee methanol extract.
Wherein the wetting agent is sodium dodecyl sulfate; the dispersing agent is sodium lignin sulfonate, calcium lignin sulfonate and sodium methylene dinaphthyl sulfonate.
Wherein the adhesive is xanthan gum and white carbon black; wherein the stabilizer is glycol and glycerol.
The invention also provides a method for preparing an improved broad-spectrum nontoxic biological herbicide composition, which is carried out according to the embodiment 1.
Comparative example 1
This comparative example provides an improved broad-spectrum non-toxic bioherbicide composition and a method for preparing the same, which differs from example 1 only in that the biocidal botanical composition is not included in all components, and the remaining components, component contents, are the same as example 1.
Experimental example 1
Improved broad-spectrum nontoxic biological herbicide composition for preventing and killing weeds
The experimental example selects the barren grassland as the experimental field, the experimental field comprises more than 30 weeds such as goosegrass, crabgrass, broomcorn millet, small erigeron, black nightshade, small Li Shui peanuts, the experimental field is randomly divided into 12 cells and divided into 4 groups, 3 repeated cells of each group are respectively used for treating the weeds of the groups, most of the weeds are in a vegetative growth stage when the weeds are applied, and the liquid medicine spraying amount is 5kg/hm in the conventional spray treatment. No rainfall occurs within 5 days after the drug application; the weed basal number is investigated on the day of application, the pesticide effect is investigated 7 days after spraying, the mass of the overground parts of the surviving weeds is weighed, the CK group does not do any treatment, the weeds normally grow for 7 days, and the preventing and killing effect is calculated according to the following formula: control effect (%) = (CK fresh weight-treated fresh weight)/CK fresh weight×100%.
Analysis of results: as shown in fig. 1, example 3 had the best weed control effect, and then examples 2 and 1, comparative example 1 had the worst weed control effect, and had little effect; as shown in FIG. 2, on day 5, each weed was treated for growth, A was example 1, B was example 2, C was example 3, and D was comparative example 1, and it was found that the weeds in example 3 were almost withered and the weeds in comparative example 1 were grown normally.
Experimental example 2
Improved broad-spectrum nontoxic biological herbicide composition for corn safety and yield investigation
While investigating the pesticide effect, observing whether the uniformity, leaf and leaf color of corn plants are normal, and if there are pesticide damage symptoms such as dwarfing, dead spot, yellowing and deformity, randomly selecting 10 corn plants in the middle of each cell 50d after pesticide application, measuring the plant height, and simultaneously selecting 20m each cell when the crops are harvested 80d after pesticide application 2 Yield was measured separately, wherein the yield of the fixed sample for weed control investigation was not measured, the fresh weight of corn ear bracts was recorded, the yield per hectare was converted, and the yield increase was calculated as calculated by the formula as compared to the fresh water Control (CK), yield increase= (treatment group yield-CK group yield)/CK groupThe yield was X100%.
Analysis of results: as shown in FIG. 3, the yield increase rate of the maize plants treated in example 3 is greatly improved, the maize plants treated in example 2 are followed by maize plants treated in example 1, and the maize plants treated in example 1 have the lowest yield increase rate of maize plants treated in comparative example 1; as shown in Table 1, the treated plants were clean and the leaf color was normal, no phytotoxicity was observed, the average plant in example 3 was 124.52.+ -. 3.55 at the highest, and next, example 2 and example 1, the average plant was comparative example 1 at the lowest, and was only 110.02.+ -. 5.20; as shown in fig. 4, the growth of the root system is shown from left to right in examples 1 (a), 2 (B), 3 (C) and 1 (D), and it is apparent that the root system of example 3 is luxuriant and the root system of comparative example 1 is sparse.
Table 1 corn plant shape table
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the invention is illustrated in the figures of the accompanying drawings as one of its embodiments, without limitation in practice. In summary, those skilled in the art, having benefit of this disclosure, will appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or designing other structures for carrying out the same purposes of the present invention.
Claims (10)
1. An improved broad-spectrum non-toxic biological herbicide composition, which is characterized in that: the herbicide composition comprises the following components in parts by weight: 50-100 parts of biocidal botanical composition, 1-10 parts of wetting agent, 2-8 parts of dispersing agent, 3-15 parts of adhesive and 10-30 parts of stabilizer.
2. An improved broad-spectrum non-toxic biological herbicide composition as claimed in claim 1, characterized in that: the herbicide composition comprises the following components in parts by weight: 70-90 parts of biocidal botanical composition, 5-10 parts of wetting agent, 3-8 parts of dispersing agent, 10-15 parts of adhesive and 15-25 parts of stabilizer.
3. An improved broad-spectrum non-toxic biological herbicide composition as claimed in claim 2, characterized in that: the biocidal botanical composition comprises the following components in parts by weight: 1-10 parts of cephalotaxus sinensis leaf extract, 3-8 parts of marjoram leaf extract, 4-10 parts of artemisia capillaris extract, 2-8 parts of citrus aurantium essential oil and 2-10 parts of wampee methanol extract.
4. A modified broad-spectrum non-toxic biological herbicide composition as claimed in claim 3, characterized in that: the biocidal botanical composition comprises the following components in parts by weight: 5-10 parts of cephalotaxus sinensis leaf extract, 6-8 parts of marjoram leaf extract, 6-10 parts of tarragon extract, 5-8 parts of citrus aurantium essential oil and 3-8 parts of wampee methanol extract.
5. An improved broad spectrum non-toxic biological herbicide composition as claimed in claim 4, characterized in that: the wetting agent is one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and alkyl naphthalene sulfonate; the dispersing agent is one or more of sodium lignin sulfonate, calcium lignin sulfonate and sodium methylene dinaphthyl sulfonate.
6. An improved broad spectrum non-toxic biological herbicide composition as claimed in claim 5, characterized in that: the adhesive is one or more of xanthan gum, polyvinyl alcohol and white carbon black.
7. An improved broad spectrum non-toxic biological herbicide composition as claimed in claim 6, characterized in that: the stabilizer is one or more of ethylene glycol, propylene glycol and glycerin.
8. A method of preparing the improved broad-spectrum non-toxic biological herbicide composition of claim 7, characterized by: the preparation method comprises the following steps:
(1) Adding the biocidal botanical composition, the wetting agent, the dispersing agent, the adhesive and the stabilizing agent into a stirrer according to a certain proportion at one time, and uniformly stirring;
(2) After the raw materials are uniformly mixed, granulating, wherein the particle size of the granulating is 300-3000 mu m;
(3) Sieving according to the granularity of the granulation, and classifying and packaging.
9. The method for preparing an improved broad-spectrum non-toxic biological herbicide composition according to claim 8, which is characterized in that: the stirring rotating speed of the step (1) is 200-1000r/min, and the stirring time is 2-10 minutes.
10. The method of preparing an improved broad-spectrum non-toxic biological herbicide composition as claimed in claim 9, wherein: and (3) screening according to the granularity to prepare one of water solvent, emulsion, wettable powder and granules.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555710A (en) * | 2003-12-30 | 2004-12-22 | 西北农林科技大学无公害农药研究服务 | Application of plant possessing weed control activity |
| US20060199739A1 (en) * | 2005-03-02 | 2006-09-07 | Olav Messerschmidt | Limonene-containing herbicide compositions, herbicide concentrate formulations and methods for making and using same |
-
2023
- 2023-02-20 CN CN202310133496.9A patent/CN116172023A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555710A (en) * | 2003-12-30 | 2004-12-22 | 西北农林科技大学无公害农药研究服务 | Application of plant possessing weed control activity |
| US20060199739A1 (en) * | 2005-03-02 | 2006-09-07 | Olav Messerschmidt | Limonene-containing herbicide compositions, herbicide concentrate formulations and methods for making and using same |
Non-Patent Citations (1)
| Title |
|---|
| 张红梅 等: "生物源除草活性物质开发及应用研究进展", 农药学学报, vol. 23, no. 6, 8 July 2021 (2021-07-08), pages 1031 - 1045 * |
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