CN115251080B - Weeding composition for preventing and treating wild spotted maigre and application thereof - Google Patents
Weeding composition for preventing and treating wild spotted maigre and application thereof Download PDFInfo
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- CN115251080B CN115251080B CN202210963108.5A CN202210963108A CN115251080B CN 115251080 B CN115251080 B CN 115251080B CN 202210963108 A CN202210963108 A CN 202210963108A CN 115251080 B CN115251080 B CN 115251080B
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- cyclopentaoxadiazon
- chloracyl
- pesticide formulation
- phosphinate
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 1
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 description 1
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- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
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- QPPQHRDVPBTVEV-UHFFFAOYSA-N isopropyl dihydrogen phosphate Chemical compound CC(C)OP(O)(O)=O QPPQHRDVPBTVEV-UHFFFAOYSA-N 0.000 description 1
- 229960003639 laurocapram Drugs 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 1
- 229940073769 methyl oleate Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- URXNVXOMQQCBHS-UHFFFAOYSA-N naphthalene;sodium Chemical compound [Na].C1=CC=CC2=CC=CC=C21 URXNVXOMQQCBHS-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229940070721 polyacrylate Drugs 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229920005552 sodium lignosulfonate Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 description 1
- 235000019250 sodium sorbate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 229940104261 taurate Drugs 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- ZQTYRTSKQFQYPQ-UHFFFAOYSA-N trisiloxane Chemical compound [SiH3]O[SiH2]O[SiH3] ZQTYRTSKQFQYPQ-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing aromatic radicals
-
- 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
- A01N43/74—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 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition for preventing and treating wild spotted maigre and application thereof, wherein the effective components of the weeding composition are chloracyl phosphinate and cyclopentaoxadiazon, and the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 5:1-1:5. The weeding composition has remarkable synergistic effect through the mutual compounding of the two, improves the weeding activity, can effectively realize the control of the wild rhizomes, has compatibility of various medicaments, reduces the dosage of a single herbicide, saves the use cost of pesticides, and improves the yield and quality of agricultural products.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a weeding composition for preventing and treating wild spotted maigre and application of the weeding composition in pesticide preparations for preventing and treating the wild spotted maigre.
Background
Wild arrowhead (Sagittaria trifolia l.) is a perennial aquatic or biogas herb of the genus arrowhead of the family alismatis, also known as herba Saussureae Involueratae, rhizoma anemones Altaicae, and rhizoma Solani Tuber osi. It is distributed in a wide-spread land and grows in an area with an altitude of 5 to 2800 meters, and is frequently used in water edges, lake edges, shallow waters, still waters, river-bay ponds, canal edges, paddy fields, shallow ditches, shallow waters, salty water lakes, river edges, beach wetlands, streams edges, lakes, fields, ditch edges, paddy fields and marshes; the root and stem of the plant are transverse and the emergent aquatic leaf is arrow-shaped. The edible tulip can be propagated in two modes of sexual propagation and vegetative propagation, the bulbs can overwinter, due to the fact that the depth of the bulbs buried underground is different, the sprouting time is different, the growing speed of the edible tulip is very high, the existing common medicament is difficult to effectively control, if the edible tulip cannot be effectively controlled, the edible tulip bulbs can be increased year by year, a large amount of nutrients in rice fields can be absorbed, the growing height is higher than that of rice, normal photosynthesis of the rice is influenced, the yield and quality of the rice are seriously influenced, and the damage is extremely large.
The current herbicide for preventing and killing the arrowhead in the paddy field mainly uses sulfonylurea herbicide or is mixed with the herbicide for preventing and killing gramineous weeds, and the application of the sulfonylurea herbicide in the same field for successive years leads the arrowhead to have serious resistance to the herbicide, so that the arrowhead is rampant in recent years, and the grass phase of the paddy field is changed due to single use of one herbicide for a long time.
Disclosure of Invention
In view of the above, the invention is necessary to provide a weeding composition for preventing and controlling the wild ginseng, the effective components of the weeding composition are chloracyl phosphinate and cyclopentaoxadiazon with specific proportions, and the synergistic effect is remarkable through the mutual compounding of the chloracyl phosphinate and the cyclopentaoxadiazon, so that the weeding activity is improved, and the prevention and control of the wild ginseng can be effectively realized.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a weeding composition for preventing and treating wild spotted maigre, which comprises the active ingredients of chloracyl phosphinate and cyclopentaoxadiazon, wherein the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 5:1-1:5.
Further, the weight ratio of the chloracyl glyphosate to the cyclopentaoxadiazon is 2:1-1:2.
Further, the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 1:1.
the invention further provides a pesticide preparation for preventing and controlling the wild rhizomes, which contains the weeding composition.
Further, the total weight of the chloracyl phosphinate and the cyclopentaoxadiazon accounts for 1% -80% of the total weight of the pesticide preparation.
Further, the total weight of the chloracyl phosphinate and the cyclopentaoxadiazon accounts for 5-50% of the total weight of the pesticide preparation.
Further, the pesticide preparation is one of aqueous emulsion, microemulsion, wettable powder, suspending agent, dispersible oil suspending agent, water dispersible granule and soluble granule.
Further, the pesticide preparation further comprises an additive, wherein the additive accounts for 10-80% of the total weight of the pesticide preparation.
Further, the additive accounts for 50-80% of the total weight of the pesticide preparation.
Further, the additive comprises at least one of a solvent, an emulsifier, a dispersing agent, a wetting agent, an antifreeze agent, a thickening agent, an antifoaming agent, a disintegrating agent, a binder, a carrier, a pH regulator, a stabilizer and a permeation enhancer.
Compared with the prior art, the invention has the following beneficial effects:
the weeding composition provided by the invention has the advantages of high efficiency, low toxicity, low residue, good quick-acting property, long lasting period and environmental friendliness; in addition, the traditional main-stream medicament for preventing and treating the arrowhead has no interactive drug resistance; the herbicide composition has the advantages of compatibility of various agents, remarkable synergistic effect, improved herbicidal activity, reduced dosage of single herbicide, saved cost of pesticide and improved yield and quality of agricultural products.
Detailed Description
The following detailed description of embodiments of the invention is exemplary and is provided merely to illustrate the invention and is not to be construed as limiting 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 to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In an exemplary embodiment of the invention, a weeding composition for preventing and treating the wild spotted maigre is provided, wherein the effective components of the weeding composition are chloracyl phosphinate and cyclopentaoxadiazon, and the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 5:1-1:5.
Chloracyl phosphinate (Clacyfos, HW 02), CAS no: 215655-76-8, formula C 12 H 15 Cl 2 O 6 P has the following structural formula:
the herbicide taking the pyruvate dehydrogenase as a target has the advantages of novel structure, low toxicity and good safety to gramineous crops, and can be used as herbicide for wheat fields, corn fields, lawn orchards, tea gardens and non-cultivated lands.
Cyclopentaoxazone (pentoxazone), CAS number: 110956-75-7, formula C 17 H 17 ClFNO 4 The structural formula is as follows:
the herbicide is a protoporphyrinogen oxidase (PPO) inhibitor, belongs to a low-toxicity herbicide, has wide control spectrum, and has good control effect on various paddy field annual weeds such as barnyard grass, glossodes canadensis, chufa, stranger vegetables, long-period flowers of rain, part of sedge weeds and the like. And it has extremely high safety to paddy fields.
According to the weeding composition, the chloracyl phosphinate and the cyclopentaoxadiazon are compounded according to a specific ratio and then are used as the weeding composition, and mutual resistance cannot be generated when the chloracyl phosphinate and the cyclopentaoxadiazon are compounded with each other, so that the generation of drug resistance is prevented and overcome, and the control effect is improved. The effective components of the weeding composition have remarkable synergism, improve the weeding activity, reduce the dosage of single herbicide, save the use cost of pesticides and improve the yield and quality of agricultural products.
Preferably, the weight ratio of the chloracyl glyphosate to the cyclopentanone is 2:1-1:2, and the synergistic effect of the chloracyl glyphosate and the cyclopentanone is more obvious in the proportioning range; more preferably, the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 1:1, the synergistic effect of the chloracyl phosphinate and the cyclopentaoxadiazon is optimal.
The herbicidal composition is useful for preparing a pesticidal formulation such that a pesticidal formulation containing the herbicidal composition also has an effect of controlling the wild ginseng, and thus in another exemplary embodiment of the present invention, there is provided a pesticidal formulation for controlling the wild ginseng, which comprises the herbicidal composition as described above.
In the pesticide preparation, the total weight of the chloracyl phosphinate and the cyclopentaoxadiazon accounts for 1% -80% of the total weight of the pesticide preparation; preferably, the total weight of the clomazone and the cyclopentaoxadiazon accounts for 5% -50% of the total weight of the pesticide preparation.
The formulation of the pesticide preparation is not particularly limited, and can be prepared into any agriculturally acceptable formulation, and specific examples include, but are not limited to, one of aqueous emulsion, microemulsion, wettable powder, suspending agent, dispersible oil suspending agent, water dispersible granule and soluble granule. Preferably, the pesticide preparation is in the form of a suspending agent.
In another exemplary embodiment of the present invention, the pesticide formulation further comprises an additive, in some specific embodiments of the present invention, the additive comprises 10% -80% of the total weight of the pesticide formulation; preferably, the additive accounts for 50% -80% of the total weight of the pesticide preparation; more preferably, the additive comprises 70% -80% of the total weight of the pesticide formulation.
It will be appreciated that the type of additive is not particularly limited and may be selected using additives conventional in the art, depending on the particular dosage form, etc., and in some particular embodiments of the present invention, the additive includes at least one of a solvent, an emulsifier, a dispersant, a wetting agent, an antifreeze agent, a thickener, an antifoaming agent, a disintegrant, a binder, a carrier, a pH adjuster, a stabilizer, and a permeation enhancer. It will also be appreciated that the specific types of additives described above are not particularly limited, and that any of the types of additives conventionally used in the art for the preparation of pesticide formulations may be used:
for example, the solvent may be at least one of methanol, ethanol, butanol, isobutanol, ethylene glycol, propylene glycol, glycerol, polyethylene glycol, 1-dodecanol, 1-tetradecanol, 1-octadecanol, 1-nonadecanol, 1-eicosanol, toluene, xylene, acetone, cyclohexanone, N-long chain alkyl pyrrolidone, ethyl acetate, dimethylformamide, dimethyl sulfoxide.
The emulsifier may be at least one of sodium dodecyl sulfate, alkyl polyglycol ether, alkylphenyl polyglycol ether, polyoxyethylene sorbitan ester, polyoxyethylene fatty acid ester, alkylphenol polyoxyethylene ether phosphate, ethoxylated alkylphenyl ether, ethoxylated alkyl ether, polyoxyethylene polyoxypropylene block copolymer, phenethyl phenol polyoxyethylene polyoxypropylene ether, alkylbenzene sulfonate, lignin sulfonate, styrol polyoxyethylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate, castor oil, ethylene oxide adduct derivative, sucrose fatty acid ester, tween, monocaprate.
The dispersant may be at least one of lignin sulfonate, sodium p-hydroxyphenyl lignin sulfonate, fatty alcohol polyoxyethylene ether phosphate, fatty amide-N-methyl taurate sodium salt, alkylphenol polyoxyethylene ether sulfate, sulfurous acid pulp waste liquid, fatty acid ester sulfate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene glyceryl mono fatty acid ester, hydroxymethyl cellulose, fatty alcohol sulfate, alkyl naphthalene formaldehyde condensate, polyvinyl alcohol, sulfite pulp waste liquid, acrylic acid homopolymer sodium salt, polyvinyl carboxylic acid sodium salt, naphthalene sodium sulfonate formaldehyde condensate, dioctyl sodium sulfosuccinate.
The wetting agent can be at least one of dodecylbenzene sulfonate, pesticide emulsion 2000 series, SOPA230, SOPA270, SOPA235, tea seed cake powder, fructus Gleditsiae Abnormalis powder, nekal, trisiloxane polyoxyethylene ether, higher fatty glyceride, and sodium petroleum sulfonate.
The antifreeze agent can be at least one of ethylene glycol, propylene glycol, glycerol and sorbitol.
The thickener may be at least one of polyacrylate, xanthan gum, aluminum magnesium silicate, sodium carboxymethylcellulose, natural polysaccharide, xanthan gum, and gelatin.
The defoaming agent can be at least one of organic silicone oil, methanol, ethanol, epoxidized soybean oil and silicone.
The disintegrating agent can be at least one of urea, magnesium chloride, aluminum chloride, sodium chloride, ammonium sulfate and bentonite.
The binder may be at least one of starch, polyvinyl acetate, polyvinyl alcohol, polyethylene glycol, sodium silicate, gelatin, soybean lecithin, cyclodextrin, gum arabic, carboxyl cellulose, and polyvinylpyrrolidone.
The carrier can be at least one of kaolin, diatomite, activated clay, white carbon black, clay, light calcium carbonate, talcum powder and montmorillonite.
The pH regulator can be at least one of sodium hydroxide, potassium hydroxide, hydrochloric acid, acetic acid, phosphoric acid and citric acid.
The stabilizer can be at least one of isopropyl acid phosphate, BHT, pyrogallol, tolylglycidyl ether, polyethylene glycol diglycidyl ether, epichlorohydrin, sodium sorbate, aminobenzoic acid, epoxidized soybean oil and polyethylene glycol.
The permeation enhancer may be laurocapram and/or JFC.
In some typical embodiments of the present invention, the pesticide formulation is in the form of a dispersible oil suspension comprising, by weight, 20-60% of a solvent, 10-30% of an emulsifier, 5-10% of a dispersant, 1-8% of an antifreeze agent, 0.5-8% of an antifoaming agent, 0-5% of a thickener, and 0-1% of a pH regulator.
In other exemplary embodiments of the present invention, the pesticide formulation is in the form of a suspension, and the suspension comprises, by weight, 0.5-40% of a wetting agent, 0.5-40% of a dispersing agent, 0.2-5% of a thickening agent, 0.1-10% of a stabilizing agent, 0-10% of a penetration enhancer, 0.5-8% of an antifoaming agent, 0.1-5% of an antifreeze agent, 0.1-5% of a pH regulator, and 10-80% of a solvent.
The preparation method of the suspending agent is not particularly limited, and is a conventional preparation method in the art, and in the embodiment of the present invention, the preparation of the suspending agent mainly includes the following steps: the components are evenly mixed and then ball-milled and crushed in a ball mill for 2-5 hours to form coarse dispersion liquid, the pH value is regulated to 5-7, and the suspension agent can be obtained by carrying out wet superfine grinding to ensure that the average particle size of the suspension liquid meets the national standard.
Specifically, the suspending agent comprises the following active ingredients and additives in percentage by weight: 1-25% of chloracyl phosphinate, 1-25% of cyclopentaoxadiazon, 1-10% of sodium lignosulfonate, 1-10% of tristyrylphenol polyether phosphate, 1-5% of xanthan gum, 0.1-2% of epoxidized soybean oil, 1-5% of silicone oil, 1-10% of propylene glycol, 1-10% of ethyl acetate and the balance of water to 100%. The suspending agent is mutually and synergistically adsorbed on the surface of the raw medicine by adding the wetting agent and the dispersing agent, the suspending rate of the raw medicine is more than 90% by electrostatic action and steric hindrance, and the suspending rate of the suspending agent is still more than 90% after the suspending agent is placed for 14 days at 54 ℃, so that no creaming phenomenon exists; because the suspending agent uses water as a dispersion medium, glycol, propylene glycol and the like are required to be added to improve the stability of the product at low temperature. However, in the suspending agent system, due to the influence of dispersing agents and wetting agents, a great amount of foam is generated in the using process of the suspending agent, and the using is influenced. Through selecting propylene glycol as an antifreezing agent, xanthan gum and organic silicone oil are added, so that the foaming is lower than 20mL after 1 minute while the suspending agent has good low-temperature dispersibility, heat storage stability and cold storage stability.
The present invention will be illustrated by the following examples, which are given for illustrative purposes only and are not intended to limit the scope of the present invention in any way, and unless otherwise specified, the conditions or procedures not specifically described are conventional and the reagents and materials employed are commercially available.
Wherein, 95% of the chloracyl phosphinothricin original medicine and 97% of the cyclopentaoxadiazon original medicine are all from Anhuifeng Lenong chemical Limited liability company.
Example Sunyanpei co-toxicity coefficient (CTC) method for evaluating the Combined action of clomazone and cyclopentaoxadiazon
The test method comprises the following steps: according to NY/T1155.7-2006 and NY/T1154.7-2006, the clomazone and the cyclopentaoxadiazon are compounded, and the two raw medicines are respectively prepared into 5 according to the active ingredients (mass ratio): 1. 2: 1. 1:1. 1:2. 1:5 formulations were used together with a single dose to determine the toxicity of each of the formulations according to the methods for determining the toxicity of the formulations, and the test results are shown in Table 1.
The combination effect of the mixture is evaluated, and the combination effect type of the mixture is evaluated by calculating the co-toxicity coefficient of the mixture based on the EC50 value.
Measured virulence index (ATI) = (standard agent EC 50/test agent EC 50) ×100;
theoretical Toxicity Index (TIT) = (toxicity index of a x percent of a in the mix) + (toxicity index of single dose B x percent of B in the mix);
blend co-toxicity coefficient (CTC) = [ blend measured toxicity index (ATI)/theoretical Toxicity Index (TIT) ]x100;
wherein CTC is more than or equal to 120 and is synergistic, CTC is more than or equal to 80 and is less than 120 and is additive, CTC is less than 80 and is antagonistic.
TABLE 1 determination of the combined action of the chloracyl phosphines and the cyclopentaoxadiazon in different proportions
As shown by the test results in the table 1, the co-toxicity coefficients of the chloracyl phosphinate and the cyclopentaoxadiazon in the proportions of 5:1, 2:1, 1:1, 1:2 and 1:5 are all obviously greater than 120, which indicates that the synergy is obvious; among them, the synergy is most remarkable in treating E.
PREPARATION EXAMPLE 1 suspension concentrate of 25% chloracyl phosphinate and 5% cyclopentaoxadiazon
The suspending agent in the embodiment comprises 25% of chloracyl phosphinate, 5% of cyclopentaoxadiazon, 6% of sodium lignin sulfonate, 7% of tristyrylphenol polyether phosphate 600P, 5% of xanthan gum, 2% of epoxidized soybean oil, 2% of silicone oil, 5% of propylene glycol, 4% of ethyl acetate and the balance of water to 100% by weight.
Wherein, the tristyrylphenol polyether phosphate 600P is purchased from Nantong Xitai chemical industry Co.
The preparation method of the suspending agent comprises the following steps: the components are evenly mixed and ball-milled and crushed in a ball mill for 4 hours to form coarse dispersion liquid, the pH value is regulated to 7, and the suspension agent can be obtained by controlling the grain diameter D90 to be less than or equal to 5 mu m through wet superfine grinding.
Preparation example 2 suspension of 20% of chloracyl phosphinate and 10% of cyclopentaoxadiazon
The suspending agent in the embodiment comprises 20% of chloracyl phosphinate, 10% of cyclopentaoxadiazon, 6% of sodium lignin sulfonate, 5% of tristyrylphenol polyether phosphate 600P, 5% of xanthan gum, 1% of epoxidized soybean oil, 3% of silicone oil, 5% of propylene glycol, 4% of ethyl acetate and the balance of water to 100% by weight.
The suspending agent is prepared by the same method as in preparation example 1.
PREPARATION EXAMPLE 3 suspension of 10% chloracyl phosphinate and 10% cyclopentaoxadiazon
The suspending agent in the embodiment comprises 10 weight percent of chloracyl phosphinate, 10 weight percent of cyclopentaoxadiazon, 9 weight percent of sodium lignin sulfonate, 10 weight percent of tristyrylphenol polyether phosphate 600P, 6 weight percent of xanthan gum, 2 weight percent of epoxidized soybean oil, 5 weight percent of silicone oil, 6 weight percent of propylene glycol, 5 weight percent of ethyl acetate and the balance of water to 100 weight percent.
The suspending agent is prepared by the same method as in preparation example 1.
Preparation example 4 suspension concentrate of 10% of chloracyl phosphinate and 20% of cyclopentaoxadiazon
The suspending agent in the embodiment comprises 10 weight percent of chloracyl phosphinate, 20 weight percent of cyclopentaoxadiazon, 10 weight percent of sodium lignin sulfonate, 12 weight percent of tristyrylphenol polyether phosphate 600P, 6.3 weight percent of xanthan gum, 2.1 weight percent of epoxidized soybean oil, 6 weight percent of organic silicone oil, 7 weight percent of propylene glycol, 6 weight percent of ethyl acetate and the balance of water to 100 weight percent.
The suspending agent is prepared by the same method as in preparation example 1.
PREPARATION EXAMPLE 5 suspension of 5% chloracyl phosphinate 25% cyclopentanone
The suspending agent in the embodiment comprises 5 weight percent of chloracyl phosphinate, 25 weight percent of cyclopentaoxadiazon, 10 weight percent of sodium lignin sulfonate, 11 weight percent of tristyrylphenol polyether phosphate 600P, 6.4 weight percent of xanthan gum, 2.7 weight percent of epoxidized soybean oil, 6.2 weight percent of organic silicone oil, 8 weight percent of propylene glycol, 6 weight percent of ethyl acetate and the balance of water to 100 weight percent.
The suspending agent is prepared by the same method as in preparation example 1.
Test example 1 physicochemical testing of the suspension in preparation examples 1 to 5
Standard basis: GB/T19136-2003 method for measuring heat storage stability of pesticides; GB/T19137-2003 pesticide low temperature stability determination method; GB/T28137-2011 pesticide persistent foamability determination method; GB/T31737-2015 pesticide pourability determination method. The test results are shown in Table 2.
TABLE 2 physicochemical testing of the suspending agents in preparation examples 1-5
As can be seen from the test results in Table 2, the suspending agent in preparation examples 1-5 has a suspending rate of over 90%, a persistent foamability of less than 20mL for 1min, and good heat storage stability and cold storage stability, and meets the quality standard requirements.
Test example 2 field cell efficacy test
Test site: the Anhui Hefeifeng Fudong county Anhui Fengle farmer chemical Limited liability company test field.
Overview of the experiment: the test is located in Feidong county of the Anhui Hefei city, and the total area of the land is 2hm 2 The soil is medium loam with pH 7.08, organic matter content of 41.4g/kg, mechanical transplanting, row spacing of 30cm×20cm.
Test time: the rice is applied in a closed mode after transplanting, after the rice is sufficiently grown, the rice is applied for 1 time in a test period, the time is 6 months and 29 days, at the moment, the wild arrowhead grows 4-5 leaves, the height of the wild arrowhead is close to that of the rice, and the rice is in a jointing booting period.
Experimental agent: the foregoing preparations 1-5 and 30% chloracyl phosphinate suspension, 30% cyclopentaoxadiazon suspension (all from Anhui Feng nong chemical Co., ltd.).
Dosage and mode of administration: the application dosage is shown in Table 3, and the application mode is stem and leaf spraying.
The investigation method comprises the following steps: the investigation is carried out once 20 days after the medicine, 12 treatments are carried out, each treatment comprises 4 cells, 4 points are taken from each cell during the investigation, and each point is investigated by 0.25m 2 And measuring the yield.
Weed investigation and efficacy calculation were performed with reference to GB-T17980.40-2000:
measuring rice yield: taking 4 points per cell, each point being 0.25m 2 The effective spike number, the total solid grain number and the rice yield of the rice are respectively measured, and the solid grain number per spike and the theoretical hectare yield are measured. From the results in Table 3, the rice yield under each test agent treatment was significantly higher than the clear water control, indicating that the agent had no negative effect on rice yield.
Table 3 results of field district efficacy test of different dosage forms of chloracyl phosphinate-cyclopentaoxadiazon for controlling tulip
As can be seen from the test results in Table 3, the effective components for the different dosage forms of the chloracyl phosphinothricin and the cyclopentaoxadiazon are 4g and 2g, and the Chinese medicinal composition has good effect on the wild arrowhead 20 days after the administration. The products of example 1 were 85.6% and 75.9%, respectively; the products of example 2 were 90.3% and 79.4%, respectively; the product of example 3 was 98.2, 88.6%, respectively; the products of the example 4 are 94.7% and 86.9% respectively, and the products of the example 5 are 89.5% and 78.7% respectively, which are obviously better than the control effect of single-dose control of chloracyl phosphinate and cyclopentaoxadiazon on the tulip.
Preparation example 6 dispersible oil suspension of 20% chloracyl phosphinate 10% cyclopentaoxadiazon
Taking 20kg of chloracyl phosphinate, 10kg of cyclopentaoxadiazon, 9kg of dispersant block polyether nonionic surfactant (Pluronic 125), 1.8kg of thickener aluminum magnesium silicate and 57kg of carrier methyl oleate, and carrying out full mixing, blending, ball milling, crushing, adjusting and packaging to obtain the dispersible oil suspension agent
Preparation example 7 wettable powder of 20% of chloracyl phosphinate and 10% of cyclopentaoxadiazon
Taking 20kg of chloracyl phosphinate, 10kg of cyclopentaoxadiazon, 3.7kg of dispersant naphthalene sulfonate formaldehyde condensate NNO, 3.5kg of wetting agent sodium dodecyl sulfate K12, 4.2kg of white carbon black, and supplementing light calcium carbonate to 100kg; the wettable powder is obtained through full mixing, jet milling and mixing.
Preparation example 8 water dispersible granule containing 20% of chloracyl phosphinate and 10% of cyclopentaoxadiazon
Taking 20kg of chloracyl phosphinate, 10kg of cyclopentaoxadiazon, 6.6kg of dispersant naphthalene sulfonate formaldehyde condensate (D-425), 5.7kg of a mixture of wetting agent alkyl naphthalene sulfonate and anionic wetting agent (EFW), 7.1kg of disintegrant ammonium sulfate, 3.6kg of binder polyvinyl alcohol (PVA) and 42kg of carrier kaolin; the water dispersible granule is obtained through full mixing, jet milling, mixing, granulating, drying and sieving.
The weeding compositions of the chloracyl glyphosate and the cyclopentaoxadiazon with different dosage forms are subjected to the field efficacy test which is the same as that of preparation examples 1-5, and the results are similar to those of preparation examples 1-5, and are obviously better than the control effect of single-dose comparison of the chloracyl glyphosate and the cyclopentaoxadiazon on the tulip.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The weeding composition for preventing and treating the wild spotted maigre is characterized in that the effective components of the weeding composition are chloracyl phosphinate and cyclopentaoxadiazon, wherein the weight ratio of the chloracyl phosphinate to the cyclopentaoxadiazon is 5:1-1:5.
2. The herbicidal composition for controlling spotted maigre according to claim 1, characterized in that the weight ratio of chloracyl glyphosate and cyclopentaoxadiazon is 2:1-1:2.
3. The herbicidal composition for controlling spotted maigre according to claim 2, characterized in that the weight ratio of chloracyl glyphosate and cyclopentaoxadiazon is 1:1.
4. a pesticide formulation for controlling spotted maigre, characterized in that it contains the herbicidal composition according to any one of claims 1-3.
5. A pesticide formulation according to claim 4, wherein the combined weight of clomazone and cyclopentaoxadiazon is from 1% to 80% of the total weight of the pesticide formulation.
6. A pesticide formulation according to claim 5, wherein the combined weight of clomazone and cyclopentaoxadiazon is from 5% to 50% of the total weight of the pesticide formulation.
7. The pesticide formulation of claim 4, wherein the formulation of the pesticide formulation is one of an aqueous emulsion, a microemulsion, a wettable powder, a suspension, a dispersible oil suspension, and a water dispersible granule.
8. A pesticide formulation according to claim 4, further comprising an additive in the pesticide formulation, said additive comprising from 10% to 80% by weight of the total pesticide formulation.
9. A pesticide formulation according to claim 8, wherein the additive comprises 50% to 80% of the total weight of the pesticide formulation.
10. A pesticide formulation according to claim 8 or 9, wherein the additive comprises at least one of a solvent, an emulsifier, a dispersant, a wetting agent, an antifreeze agent, a thickener, an antifoaming agent, a disintegrant, a binder, a carrier, a pH adjuster, a stabiliser, a penetration enhancer.
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| 2020年我国审定的水稻品种基本特性分析;林海等;《中国稻米》;第27卷(第6期);6-11 * |
| 创制除草剂氯酰草膦(HW02)在草坪上的应用;谭效松等;《第九届全国杂草科学大会论文摘要集》;53-54 * |
| 安徽水稻机械化种植存在问题及对策;常志强等;《农机科技推广》;25-29 * |
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| 除草剂环戊噁草酮(pentoxazone)的开发;程志明编译;《世界农药》;第24卷(第2期);1-5 * |
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