CN110622966A - Herbicide composition for paddy field and preparation method thereof - Google Patents
Herbicide composition for paddy field and preparation method thereof Download PDFInfo
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
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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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/08—Amines; Quaternary ammonium compounds containing oxygen or sulfur
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
- A01N37/04—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof polybasic
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
- A01N47/14—Di-thio analogues thereof
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a paddy field herbicide composition and a preparation method thereof, wherein the paddy field herbicide composition comprises the following components in parts by weight: 11-25 parts of cetearyl alcohol, 5-12 parts of sebacic acid, 13-34 parts of methylparaben, 7-21 parts of triethanolamine, 10-28 parts of trichloroisocyanuric acid, 8-19 parts of mancozeb, 11-25 parts of uniconazole, 18-28 parts of penoxsulam, 3-9 parts of bentazon and 2-5 parts of citric acid.
Description
Technical Field
The invention relates to the field of pesticide herbicides, and in particular relates to a paddy field herbicide composition and a preparation method thereof.
Background
The weeds such as barnyard grass, cyperus esculentus, monochoria vaginalis and scirpus planiculmis are mainly contained in rice fields, the control effect of the herbicide is ensured by increasing the dosage of the herbicide by farmers, however, with the use of a large amount of chemical herbicides in rice fields, especially the use of amide herbicides, the herbicide damage to rice is great, the population of weeds in the rice fields is changed greatly, the number of broadleaf weeds is increased year by year, most of the herbicides in the existing herbicides can only inhibit the overground part, and the underground part can regenerate and recover the growth after the herbicide effect is reduced.
Disclosure of Invention
In view of the above, the present invention provides a herbicide composition for paddy field and a preparation method thereof, which solves the above problems.
The technical scheme of the invention is realized as follows: a herbicide composition for paddy fields: comprises the following components in parts by weight: 11-25 parts of cetearyl alcohol, 5-12 parts of sebacic acid, 13-34 parts of methylparaben, 7-21 parts of triethanolamine, 10-28 parts of trichloroisocyanuric acid, 11-25 parts of uniconazole, 18-28 parts of penoxsulam, 3-9 parts of bentazone and 2-5 parts of citric acid;
further, the herbicide composition for the paddy field comprises the following components in parts by weight: 15-20 parts of cetearyl alcohol, 8-10 parts of sebacic acid, 20-28 parts of methylparaben, 11-18 parts of triethanolamine, 12-20 parts of trichloroisocyanuric acid, 16-20 parts of uniconazole, 20-25 parts of penoxsulam, 5-7 parts of bentazone and 2-4 parts of citric acid;
further, the herbicide composition for the paddy field comprises the following components in parts by weight: 18 parts of cetearyl alcohol, 9 parts of sebacic acid, 24 parts of methylparaben, 13 parts of triethanolamine, 16 parts of trichloroisocyanuric acid, 18 parts of uniconazole, 23 parts of penoxsulam, 6 parts of bentazon and 3 parts of citric acid.
The invention also provides a preparation method of the rice field herbicide composition, which comprises the following steps:
s1, ultrasonically mixing cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam, bentazon and water for 5-18 min at the ultrasonic frequency of 50-85 kHz to obtain a mixture A, wherein the volume ratio of the total volume of the trichloroisocyanuric acid, the penoxsulam and the bentazon to the water is (1-3.5): 2;
s2, pouring methyl hydroxybenzoate, triethanolamine, citric acid, uniconazole and mancozeb into a mixer, mixing and stirring for 3-7 min, and adding the mixture coated with SiO2Fe of silicon film3O4Oscillating the magnetic nanoparticles on a constant-temperature oscillator at the temperature of 22-28 ℃ for 21-30 min, and removing supernatant to obtain a mixture B;
and S3, sequentially adding the mixture A and the mixture B into a high-speed dispersion machine, and dispersing for 15-30 minutes at the speed of the dispersion machine of 200-600 r/min to obtain the herbicide composition.
Compared with the prior art, the invention has the beneficial effects that: the herbicide composition prepared by the invention is easier to be absorbed by weeds, effectively removes the weeds, has low phenomenon of recovering the growth of the weeds, effectively reduces the residue of the herbicide in the soil, and does not influence the yield of rice;
(1) according to the invention, cetearyl alcohol, sebacic acid, methylparaben, triethanolamine, trichloroisocyanuric acid, mancozeb, uniconazole, penoxsulam, bentazon and citric acid are scientifically proportioned, reasonably matched and mutually cooperated, the cetearyl alcohol, sebacic acid, methylparaben, triethanolamine, uniconazole, penoxsulam and bentazon are combined to be effectively conducted to meristematic tissue through xylem and phloem, the growth of plants is inhibited, the stability is high, the oxidation performance and chlorination of trichloroisocyanuric acid are utilized to act on the uniconazole and the penoxsulam, the strong growth inhibition effect on broadleaf weeds is achieved, the combination with bentazon is utilized, the problem of low weeding efficiency of the bentazon under an acidic condition is solved, and the growth of the weeds is effectively inhibited by the components under the complexation of the citric acid;
(2) mixing cetostearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam and bentazon with water by ultrasound, controlling frequency to make the solution more uniformly mixed, adding SiO-coated solution under the chelation of citric acid2Fe of silicon film3O4The magnetic nano particles vibrate, which is beneficial to improving the purity of the herbicide and enables the herbicide to act on weeds more effectively.
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.
The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.
Example 1
A herbicide composition for paddy fields: comprises the following components in parts by weight: 11 parts of cetearyl alcohol, 5 parts of sebacic acid, 13 parts of methylparaben, 7 parts of triethanolamine, 10 parts of trichloroisocyanuric acid, 8 parts of mancozeb, 11 parts of uniconazole, 18 parts of penoxsulam, 3 parts of bentazone and 2 parts of citric acid.
Example 2
A herbicide composition for paddy fields: comprises the following components in parts by weight: 25 parts of cetearyl alcohol, 12 parts of sebacic acid, 34 parts of methylparaben, 21 parts of triethanolamine, 28 parts of trichloroisocyanuric acid, 19 parts of mancozeb, 25 parts of uniconazole, 28 parts of penoxsulam, 9 parts of bentazone and 5 parts of citric acid.
Example 3
The herbicide composition for the paddy field comprises the following components in parts by weight: 15 parts of cetearyl alcohol, 8 parts of sebacic acid, 20 parts of methylparaben, 11-18 parts of triethanolamine, 12 parts of trichloroisocyanuric acid, 10 parts of mancozeb, 16 parts of uniconazole, 20 parts of penoxsulam, 5 parts of bentazone and 2 parts of citric acid.
Example 4
The herbicide composition for the paddy field comprises the following components in parts by weight: 20 parts of cetearyl alcohol, 10 parts of sebacic acid, 28 parts of methylparaben, 18 parts of triethanolamine, 20 parts of trichloroisocyanuric acid, 16 parts of mancozeb, 20 parts of uniconazole, 25 parts of penoxsulam, 7 parts of bentazone and 4 parts of citric acid.
Example 5
The herbicide composition for the paddy field comprises the following components in parts by weight: 18 parts of cetearyl alcohol, 9 parts of sebacic acid, 24 parts of methylparaben, 13 parts of triethanolamine, 16 parts of trichloroisocyanuric acid, 13 parts of mancozeb, 18 parts of uniconazole, 23 parts of penoxsulam, 6 parts of bentazone and 3 parts of citric acid.
The preparation method of the herbicide composition for the paddy field in the embodiment 1 to 5 comprises the following steps:
s1, ultrasonically mixing cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam, bentazon and water for 11min at the ultrasonic frequency of 60kHz to obtain a mixture A, wherein the volume ratio of the total volume of the cetearyl alcohol, the sebacic acid, the trichloroisocyanuric acid, the penoxsulam and the bentazon to the water is 2.5: 2;
s2, pouring methyl hydroxybenzoate, triethanolamine, citric acid, uniconazole and mancozeb into a mixer, mixing and stirring for 5min, and adding SiO-coated particles2Fe of silicon film3O4Magnetic nanoparticles are oscillated on a constant temperature oscillator at the temperature of 25 ℃ for 26min, and supernatant is removed to obtain a mixture B;
and S3, sequentially adding the mixture A and the mixture B into a high-speed dispersion machine, and dispersing for 20min at the speed of the dispersion machine of 400r/min to obtain the herbicide composition.
Example 6
In this embodiment, the raw materials are the same as those in embodiment 5, and the preparation method of the herbicide composition for paddy field comprises the following steps:
s1, ultrasonically mixing cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam, bentazon and water for 5min at the ultrasonic frequency of 50kHz to obtain a mixture A, wherein the volume ratio of the total volume of the cetearyl alcohol, the sebacic acid, the trichloroisocyanuric acid, the penoxsulam and the bentazon to the water is 1: 2;
s2, pouring methyl hydroxybenzoate, triethanolamine, citric acid, uniconazole and mancozeb into a mixer, mixing and stirring for 3min, and adding the mixture coated with SiO2Fe of silicon film3O4Magnetic nanoparticles are oscillated on a constant temperature oscillator at the temperature of 22 ℃ for 21min, and supernatant is removed to obtain a mixture B;
and S3, sequentially adding the mixture A and the mixture B into a high-speed dispersion machine, and dispersing for 1min at the speed of the dispersion machine of 200r/min to obtain the herbicide composition.
Example 7
In this embodiment, the raw materials are the same as those in embodiment 5, and the preparation method of the herbicide composition for paddy field comprises the following steps:
s1, ultrasonically mixing cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam, bentazon and water for 18min at the ultrasonic frequency of 85kHz to obtain a mixture A, wherein the volume ratio of the total volume of the trichloroisocyanuric acid, the penoxsulam and the bentazon to the water is 3.5: 2;
s2, pouring methyl hydroxybenzoate, triethanolamine, citric acid, uniconazole and mancozeb into a mixer, mixing and stirring for 7min, and adding SiO-coated particles2Fe of silicon film3O4Magnetic nanoparticles are oscillated for 30min at the temperature of 28 ℃ on a constant temperature oscillator, and supernatant is removed to obtain a mixture B;
and S3, sequentially adding the mixture A and the mixture B into a high-speed dispersion machine, and dispersing for 30min at the speed of 600r/min to obtain the herbicide composition.
Comparative example 1
This comparative example differs from example 5 in that a paddy field herbicide composition: comprises the following components in parts by weight: 10 parts of cetearyl alcohol, 3 parts of sebacic acid, 10 parts of methylparaben, 5 parts of triethanolamine, 8 parts of trichloroisocyanuric acid, 5 parts of mancozeb, 10 parts of uniconazole, 12 parts of penoxsulam, 10 parts of bentazone and 1 part of citric acid;
comparative example 2
This comparative example differs from example 5 in that a paddy field herbicide composition does not contain cetostearyl alcohol, sebacic acid, methylparaben, triethanolamine components.
First, drug effect detection
The herbicide compositions prepared in examples 1 to 7 and comparative examples 1 to 2 were subjected to a spray test with a commercially available herbicide, and 10 rice fields were selected for the spray test.
The prevention effect calculation formula is as follows:
simulation (%) ═ 5m2The number of blank broad-leaved weed plants is-5 m2Broad-leaved weed number)/5 m2Number of blank broad-leaved weed plants multiplied by 100
The test results of the drug effect after 7 days are as follows:
the test results of the drug effect after 15 days are as follows:
as can be seen from the above table, in examples 1 to 5, the proportion of the herbicide is extremely important, and the herbicide prepared by reasonable proportion has better weeding effect; in examples 5 to 7, not only the mixture ratio is strictly controlled, but also the method, the sequence, the temperature control, the time and the severity of the mixing of the components in the process of preparing the herbicide, under the optimal process condition parameters, the weeding effect of the prepared herbicide reaches 100%, while in comparative examples 1 to 2, any component or improper ratio in the herbicide is absent, even if the process is the same, the optimal effect in example 5 is not achieved, and the herbicide prepared in spraying example 5 does not affect the rice yield.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A paddy field herbicide composition, which is characterized in that: comprises the following components in parts by weight: 11-25 parts of cetearyl alcohol, 5-12 parts of sebacic acid, 13-34 parts of methylparaben, 7-21 parts of triethanolamine, 10-28 parts of trichloroisocyanuric acid, 8-19 parts of mancozeb, 11-25 parts of uniconazole, 18-28 parts of penoxsulam, 3-9 parts of bentazone and 2-5 parts of citric acid.
2. A paddy field herbicide composition as claimed in claim 1 wherein: comprises the following components in parts by weight: 15-20 parts of cetearyl alcohol, 8-10 parts of sebacic acid, 20-28 parts of methylparaben, 11-18 parts of triethanolamine, 12-20 parts of trichloroisocyanuric acid, 10-16 parts of mancozeb, 16-20 parts of uniconazole, 20-25 parts of penoxsulam, 5-7 parts of bentazon and 2-4 parts of citric acid.
3. A paddy field herbicide composition as claimed in claim 1 wherein: comprises the following components in parts by weight: 18 parts of cetearyl alcohol, 9 parts of sebacic acid, 24 parts of methylparaben, 13 parts of triethanolamine, 16 parts of trichloroisocyanuric acid, 13 parts of mancozeb, 18 parts of uniconazole, 23 parts of penoxsulam, 6 parts of bentazone and 3 parts of citric acid.
4. A paddy field herbicide composition as claimed in claim 1 wherein: the preparation method comprises the following steps:
s1, ultrasonically mixing cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam, bentazon and water for 5-18 min according to the parts by weight to obtain a mixture A;
s2, pouring methyl hydroxybenzoate, triethanolamine, citric acid, uniconazole and mancozeb into a mixer, mixing and stirring for 3-7 min, adding magnetic nanoparticles, oscillating on a constant-temperature oscillator for 21-30 min, and removing supernatant to obtain a mixture B;
and S3, sequentially adding the mixture A and the mixture B into a high-speed dispersion machine, and dispersing for 15-30 minutes at the speed of the dispersion machine of 200-600 r/min to obtain the herbicide composition.
5. A paddy field herbicide composition as claimed in claim 4 wherein: the volume ratio of the total volume of cetearyl alcohol, sebacic acid, trichloroisocyanuric acid, penoxsulam and bentazon to water is 1-3.5: 2.
6. a paddy field herbicide composition as claimed in claim 4 wherein: the ultrasonic frequency of the preparation method is 50-85 kHz.
7. A paddy field herbicide composition as claimed in claim 4 wherein: the magnetic nano particles are coated with SiO2Fe of silicon film3O4Magnetic nanoparticles.
8. A paddy field herbicide composition as claimed in claim 4 wherein: the oscillation temperature is 22-28 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112602707A (en) * | 2020-12-09 | 2021-04-06 | 华南农业大学 | Ultraviolet sterilization synergist sebacic acid and application thereof |
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