CN113749104A - Pesticide composition and application thereof - Google Patents
Pesticide composition and application thereof Download PDFInfo
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- CN113749104A CN113749104A CN202111155251.3A CN202111155251A CN113749104A CN 113749104 A CN113749104 A CN 113749104A CN 202111155251 A CN202111155251 A CN 202111155251A CN 113749104 A CN113749104 A CN 113749104A
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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
- A01N43/72—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
- A01N43/80—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 1,2
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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
- 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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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Abstract
The invention relates to a pesticide composition and application thereof, wherein the pesticide composition comprises a first active component and a second active component, the first active component is sulfonepyraflufen-ethyl, and the second active component is bromoxynil octanoate; the weight ratio of the first active component to the second active component is 1: (0.01-90). The pesticide composition is well applied to preventing and controlling weeds in corn fields. The active components in the pesticide composition can be effectively compounded and synergized, the pesticide composition has longer efficacy period and more stable pesticide effect, can effectively delay the generation of the pesticide resistance of crops, can obtain better control effect with lower application amount, has low dosage and has positive effect on environmental protection.
Description
RELATED APPLICATIONS
The application is a divisional application of a Chinese patent application with the application date of 2018, 02/02 and the application number of 201810108442.6.
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a pesticide composition and application thereof.
Background
The corn grows slowly in the early stage and has large field gaps, thereby being greatly beneficial to the generation of weeds. Weeds in the spring corn field begin to grow from the sowing of the corn and almost synchronously grow with the corn. The sowing time of summer corn is generally in the middle of 6 months, the air temperature is high, the corn and weeds grow faster, and the weeds are concentrated when the soil moisture content is good. The weeds in the corn field are related to various factors, and the weeds can be accelerated if irrigation or rainfall occurs, so that the weeds are easy to form on the wasteland. The corn seedling stage is seriously damaged by weeds, and the yield and the quality of corn are seriously influenced, so that the weeds in the corn field are controlled in two key stages of pre-emergence and early post-emergence after sowing.
The existing weed control pesticide has low utilization rate and poor control effect, and simultaneously, aiming at different weeds, different pesticides are required to be used, so that the cost is high, the environmental pollution is caused, and the herbicide resistance is easy to generate by continuously using the herbicide with a single active ingredient, so that the technical problem to be solved is needed at present.
Disclosure of Invention
The invention aims to provide a pesticide composition and application thereof, and active components in the pesticide composition have synergistic interaction, so that various field diseases can be effectively controlled.
In a first aspect, the invention provides a pesticide composition, which comprises a first active component and a second active component, wherein the first active component is topramezone, and the second active component is one selected from ametryn, foramsulfuron, bicyclophorione, amicarbazone, bromoxynil octanoate and topramezone; the weight ratio of the first active component to the second active component is 1: (0.01-90).
Optionally, the second active ingredient is one selected from ametryn, foramsulfuron, amicarbazone and bromoxynil octanoate.
Optionally, the weight ratio of the first active component to the second active component is 1: (0.02-50).
Optionally, the weight ratio of the first active component to the second active component is 1: (0.2-20).
Optionally, the pesticide composition further contains adjuvants including at least one of water, dispersants, wetting agents, anti-freezing agents, preservatives, thickeners, emulsifiers, solvents, anti-foaming agents, binders, disintegrants, and solid inert carriers; the weight ratio of the active component to the adjuvant is 1: (0.1-20); the dispersing agent comprises at least one of high molecular polymer, lignosulfonate, naphthalenesulfonate, polycarboxylate, fatty alcohol polyoxyethylene ether phosphate and castor oil polyoxyethylene ether phosphate; the wetting agent comprises at least one of alkyl sulfate, alkyl naphthalene sulfonate, alkyl sulfonate and fatty alcohol-polyoxyethylene ether; the antifreezing agent comprises at least one of urea, potassium chloride, ethylene glycol, 1, 2-propylene glycol, glycerol, polyethylene glycol, sorbitol and sodium chloride; the preservative comprises at least one of cason, formaldehyde, sodium benzoate, sorbic acid and potassium sorbate; the thickening agent comprises at least one of sodium alginate, gum arabic, magnesium aluminum silicate, xanthan gum, polyvinyl alcohol, sodium carboxymethylcellulose, organic bentonite and white carbon black; the emulsifier comprises at least one of calcium dodecyl benzene sulfonate, styryl phenol polyoxyethylene ether phosphate, castor oil polyoxyethylene ether phosphate, sorbitan monooleate, dibenzyl phenol polyoxyethylene ether, sorbitan monolaurate, polyoxyethylene lauryl ether, polyoxyethylene sorbitan polyoxyethylene ether, polyoxyethylene sorbitan monooleate, styryl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether and castor oil polyoxyethylene ether; the solvent comprises at least one of propanol, isopropanol, propylene glycol, glycerol, n-butanol, n-pentanol, isopentanol, n-hexanol, n-heptanol, n-octanol, ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, sorbitol, ethyl acetate, aromatic hydrocarbon solvent oil, vegetable oil and methyl oleate; the defoaming agent comprises at least one of a polyether defoaming agent, an organic silicon defoaming agent and a polyether modified polysiloxane defoaming agent; the binder comprises at least one of polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, soluble starch, corn starch, and glucose; the disintegrant comprises at least one of sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, ammonium sulfate and urea; the solid inert carrier comprises at least one of kaolin, diatomite, bentonite, zeolite, attapulgite, talcum powder, montmorillonite and light calcium carbonate.
Optionally, the pesticide composition is in a dosage form of one selected from a suspending agent, a water dispersible granule, a microcapsule suspension-suspending agent, an emulsifiable concentrate, a microemulsion, an aqueous emulsion, a wettable powder, a suspoemulsion and a dispersible oil suspending agent.
Optionally, the pesticide composition is in the form of a suspension or water dispersible granules.
Optionally, the second active component is one selected from ametryn, foramsulfuron, amicarbazone and bromoxynil octanoate, and the weight ratio of the first active component to the second active component is 1: (0.2-20), and the pesticide composition is in the form of a suspending agent or water dispersible granules.
In a second aspect, the invention also provides application of the pesticide composition in controlling weeds in corn fields.
Optionally, the weeds include at least one of green bristlegrass, crab grass, cockspur grass, goosegrass, redroot pigweed, quinoa, bindweed, black nightshade, abutilon, acalypha australis, and purslane.
The active components in the pesticide composition can be effectively compounded and synergized, the pesticide composition has longer efficacy period and more stable pesticide effect, can effectively delay the generation of the pesticide resistance of crops, can obtain better control effect with lower application amount, has low dosage and has positive effect on environmental protection.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In a first aspect, the present invention provides a pesticidal composition, which may contain a first active ingredient, which may be topramezone, and a second active ingredient, which may be one selected from ametryn, foramsulfuron, benzobicylon, amicarbazone, bromoxynil octanoate and topramezone; the weight ratio of the first active component to the second active component may be 1: (0.01-90).
The sulfonepyrazoxazole is a trade name of a compound 5- (difluoroethoxy) -1-methyl-3-trifluoromethyl pyrazole-4-methyl-4, 5-2H-5, 5-dimethyl-1, 2-oxazole-3-sulfonyl or 3- (5-difluoroethoxy-1-methyl-3-trifluoromethyl pyrazole-4-methylsulfonyl) -4, 5-2H-5, 5-dimethyl-l, 2-oxazole, wherein the trade name is Pyroxasulfone, and the molecular formula is C12H14F5N3O4S, the relative molecular weight is 391.3, the CAS number is 447399-55-5, and the structural formula is shown as the formula (1):
the Ametryn is the trade name of a compound N-2-ethyl-N-4-isopropyl-6-methylthio-1, 3, 5-triazine-2, 4-diamine, the name of England is Ametryn, and the molecular formula is C9H17N5S, relative molecular mass 227.33The CAS number is 834-12-8, and the structural formula is shown as a formula (2):
foramsulfuron is the trade name of the compound 1- (4, 6-dimethoxypyrimidin-2-yl) -3- (2-dimethylaminocarbonyl-5-carboxamidophenylsulfonyl) urea, the name of English is Foramsulfuron, and the molecular formula is C17H20N6O7S, the relative molecular mass is 452.44, the CAS number is 173159-57-4, and the structural formula is shown as the formula (3):
the bicyclosulfulone is the compound 3- (2-chloro-4-methylsulfonylbenzoyl) -2-phenylthiobicyclo [3.2.1]Trade name of octan-2-en-4-one, English name is Benzobicyclon, molecular formula is C22H19ClO4S2The relative molecular mass is 446.96, the CAS number is 156963-66-5, and the structural formula is shown as the formula (4):
amicarbazone is the trade name of 4-amino-N-tert-butyl-4, 5-dihydro-3-isopropyl-5-oxo-1H-1, 2, 4-triazolone-1-amide, the name of Amicarbazone in England, and the molecular formula is C10H19N5O2The relative molecular mass is 241.29, the CAS number is 129909-90-6, and the structural formula is shown in formula (5):
bromoxynil is the trade name of the compound 3, 5-dibromo-4-hydroxybenzonitrile, the name of English is Bromoxyni l, and the molecular formula is C7H3Br2NO, relative molecular mass 276.91, CAS1689-84-5, the structural formula is shown in formula (6):
bromoxynil Octanoate is the trade name of 3, 5-dibromo-4-octanoyloxybenzonitrile compound, the name of British is B romoxynil Octanoate, and the molecular formula is C15H17Br2NO2The relative molecular mass is 403.11, the C AS number is 1689-99-2, and the structural formula is shown AS the formula (7):
topramezone is the trade name of compound (3- (4, 5-dihydroxy-isoxazol-3-yl) -4-methanesulfonyl-2-methylphenyl- (5-hydroxy-1-methyl-1H-pyrazol-4-yl) methanone), the english name is topramezone, and the molecular formula is C16H17N3O5S, the relative molecular mass is 363.39, the CAS number is 210631-68-8, and the structural formula is shown as the formula (8):
according to the present invention, the second active ingredient may preferably be one selected from ametryn, foramsulfuron, amicarbazone, and bromoxynil octanoate; the topramezone serving as the first active component can be better compounded with ametryn, foramsulfuron, amicarbazone or bromoxynil octanoate to play a synergistic effect, and the pesticide composition compounded by the topramezone and the preferable second active component has better control effect on diseases.
According to the invention, the weight ratio of the first active ingredient to the second active ingredient may preferably be 1: (0.02-50), and within the preferable weight ratio range, the two active components can be better compounded to play a synergistic effect.
According to the present invention, in order to further enhance the synergistic effect between the two active ingredients, the weight ratio of the first active ingredient to the second active ingredient may be further preferably 1: (0.2-20), in the further optimized weight ratio range, the synergistic effect between the two active components is further enhanced, and the control effect of the pesticide composition on diseases is further improved.
According to the present invention, the pesticidal composition may further contain an adjuvant, which may include at least one of water, a dispersing agent, a wetting agent, an antifreezing agent, a preservative, a thickener, an emulsifier, a solvent, an antifoaming agent, a binder, a disintegrant, and a solid inert carrier; the weight ratio of the active component to the adjuvant may be 1: (0.1-20); the dispersant may include a high molecular polymer, lignosulfonate, naphthalenesulfonate, polycarboxylate, fatty alcohol polyoxyethylene ether phosphate, castor oil polyoxyethylene ether phosphate, at least one of Atlos G5000 and Dispersol D425, which may be available from sitalo chemicals (shanghai) ltd; the wetting agent may include at least one of alkyl sulfate, alkyl naphthalene sulfonate, alkyl sulfonate, fatty alcohol polyoxyethylene ether, and Atlos4913, Atlos4913 available from standing grain chemicals (shanghai) ltd; the anti-freezing agent may include at least one of urea, potassium chloride, ethylene glycol, 1, 2-propylene glycol, glycerol, polyethylene glycol, sorbitol, and sodium chloride; the preservative may include at least one of cason, formaldehyde, sodium benzoate, sorbic acid, and potassium sorbate; the thickener may include at least one of sodium alginate, gum arabic, magnesium aluminum silicate, TENSIOFIX 869, xanthan gum, polyvinyl alcohol, sodium carboxymethyl cellulose, organic bentonite, and white carbon black, the TENSIOFIX 869 may be available from tosx chemical ltd, shanghai; the emulsifier can comprise at least one of calcium dodecyl benzene sulfonate, styryl phenol polyoxyethylene ether phosphate, castor oil polyoxyethylene ether phosphate, sorbitan monooleate, dibenzyl phenol polyoxyethylene ether, sorbitan monolaurate, polyoxyethylene lauryl ether, polyoxyethylene sorbitan polyoxyethylene ether, polyoxyethylene sorbitan monooleate, styryl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether and castor oil polyoxyethylene ether; the solvent may include at least one of propanol, isopropanol, propylene glycol, glycerol, n-butanol, n-pentanol, isopentanol, n-hexanol, n-heptanol, n-octanol, ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, sorbitol, ethyl acetate, aromatic hydrocarbon solvent oil, vegetable oil, and methyl oleate; the defoamer may include at least one of a polyether defoamer, a silicone defoamer, and a polyether modified polysiloxane defoamer; the binder may include at least one of polyvinylpyrrolidone, methylcellulose, hydroxypropylmethylcellulose, polyethylene glycol, polyvinyl alcohol, soluble starch, corn starch, and glucose; the disintegrant may include at least one of sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, ammonium sulfate, and urea; the solid inert carrier may include at least one of kaolin, diatomaceous earth, bentonite, zeolite, attapulgite, talc, montmorillonite and precipitated calcium carbonate.
According to the present invention, the formulation of the pesticidal composition may be one selected from a suspending agent, a water dispersible granule, a microcapsule suspension-suspending agent, an emulsifiable concentrate, a microemulsion, an aqueous emulsion, a wettable powder, a suspoemulsion and a dispersible oil-based suspension. The pesticide composition of various dosage forms can be prepared by adopting a method commonly used in the field. The pesticide composition may be provided in the form of a finished product, i.e., the components in the composition have been mixed, or may be provided in the form of a separate preparation, in which various preparations are uniformly mixed at the time of actual use.
The pesticide composition of the suspension formulation may contain 5 to 50 parts by weight of the active ingredients (first active ingredient and second active ingredient), 0 to 50 parts by weight of the safener, 0.5 to 10 parts by weight of the dispersant, 0.5 to 5 parts by weight of the wetting agent, 0.1 to 10 parts by weight of the emulsifier, 0 to 10 parts by weight of other additives such as a preservative, a thickener, an antifoaming agent, and the balance may be water.
The pesticide composition in the form of water dispersible granule may contain 3-95 wt% of active ingredient (first active ingredient and second active ingredient), 0-50 wt% of safener, 0.5-10 wt% of dispersant, 0.5-5 wt% of wetting agent, 0-10 wt% of other additives such as stabilizer, binder, and the balance solid inert carrier such as kaolin, etc.
The pesticide composition of the water dispersible granule can be prepared into 10-100 mesh international standard sieve mesh (1676-.
The pesticide composition in the form of dispersible oil suspension may contain 5 to 50% by weight of active ingredients (first active ingredient and second active ingredient), 0 to 50 parts by weight of safener, 0.5 to 20% by weight of dispersant, 0.5 to 5% by weight of wetting agent, 0.1 to 10% by weight of emulsifier, 0 to 10% by weight of other additives such as stabilizer, preservative, thickener, and the balance may be an organic liquid.
The pesticidal composition in the form of a microcapsule suspension-suspension formulation may contain 5 to 50% by weight of active ingredient (a first active ingredient and a second active ingredient, wherein the weight fraction of free active ingredient may be less than 10% of the total active ingredient weight fraction), 0 to 50 parts by weight of a safener, 0.5 to 10% by weight of a dispersant, 0.5 to 5% by weight of a wetting agent, 0.1 to 5% by weight of an antifreezing agent, 0 to 30% by weight of a solvent, 0 to 10% by weight of other additives such as a stabilizer, a preservative, a thickener, and the balance of water.
The pesticide composition in the form of cream can contain 1-60 wt% of active components (a first active component and a second active component), 0-50 wt% of a safener, 0.1-30 wt% of a cosolvent, 1-30 wt% of an emulsifier, and the balance of a solvent.
The pesticide composition in the form of microemulsion may contain 0.1 to 50% by weight of active ingredient (first active ingredient and second active ingredient), 0 to 50 parts by weight of safener, 0.1 to 30% by weight of solvent, 1 to 30% by weight of emulsifier, 0 to 10% by weight of other additives such as stabilizer, antifreeze, and the balance water.
The pesticide composition in the form of an aqueous emulsion may contain 1 to 50 wt% of active ingredients (first active ingredient and second active ingredient), 0 to 50 wt% of a safener, 0.1 to 30 wt% of a solvent, 1 to 30 wt% of an emulsifier, 0.1 to 10 wt% of an antifreeze agent, 0 to 10 wt% of other additives such as a stabilizer, a preservative, a thickener, and the balance water.
The pesticidal composition in the form of wettable powder may contain 3 to 95% by weight of the active ingredient (the first active ingredient and the second active ingredient), 0 to 50 parts by weight of the safener, 0.5 to 10% by weight of the dispersant, 0.5 to 5% by weight of the wetting agent, and the balance may be a solid inert carrier such as kaolin, diatomaceous earth, and the like.
The pesticide composition of the wettable powder formulation can be prepared into loose powder with a certain particle size range after being pulverized by air flow.
The pesticidal composition in the form of a suspoemulsion may contain 3 to 50% by weight of the active ingredient (first active ingredient and second active ingredient), 0 to 50 parts by weight of a safener, 3 to 15% by weight of an emulsifier, 2 to 8% by weight of a dispersant, 0.1 to 5% by weight of a thickener, 0.1 to 8% by weight of an antifreeze, 0 to 50% by weight of a solvent, 0.2 to 1% by weight of an antifoaming agent, and the balance may be water.
According to the present invention, in order to obtain a pesticidal composition having a better controlling effect, the formulation of the pesticidal composition may preferably be a suspension or a water dispersible granule, and when the preferred formulation is selected, the pesticidal composition may be better used.
According to the present invention, the second active ingredient may be one selected from ametryn, foramsulfuron, amicarbazone, and bromoxynil octanoate, and the weight ratio of the first active ingredient to the second active ingredient may be 1: (0.2-20), the dosage form of the pesticide composition can be a suspending agent or water dispersible granules, and meanwhile, the active components in the pesticide composition meeting the preferable conditions can be further and better synergized, so that the control effect of the pesticide composition on various diseases is remarkably and further improved.
In a second aspect, the invention also provides application of the pesticide composition in controlling weeds in corn fields.
According to the present invention, the weeds may include at least one of green bristlegrass, crabgrass, barnyard grass, goosegrass, redroot pigweed, chenopodium album, bindweed, black nightshade, piemarker, acalypha australis, and purslane.
The present invention is further illustrated by the following examples, which are provided for the purpose of illustration and explanation and are not intended to limit the scope of the present invention.
In the following examples and comparative examples, topramezone, foramsulfuron, benzobicyclon, amicarbazone, topramezone were purchased from the university of agriculture, china; ametryn is purchased from chemical Limited in Zhongshan of Anhui; bromoxynil was purchased from united agricultural chemicals, inc; bromoxynil octanoate was purchased from Jiangsu Changqing agrichemical incorporated; atlos G5000 is available from sitoka chemicals (shanghai) ltd; atlos4913 available from prochloraz chemicals (shanghai) ltd; ethylene glycol was purchased from standing grain chemicals (shanghai) ltd; magnesium aluminum silicate was purchased from Hunan Pengtai chemical Co., Ltd; the organic silicon defoaming agent is purchased from Shanghai Mimeji high and new materials group; fatty alcohol-polyoxyethylene ether and fatty alcohol-polyoxyethylene ether phosphate are purchased from Clariant chemical (China) Co., Ltd.), calcium dodecylbenzene sulfonate, polyoxyethylene sorbitan monolaurate and castor oil polyoxyethylene ether are purchased from Nanjing Taiji chemical Co., Ltd., TENSIOFIX 869 is purchased from Shanghai Teskg chemical Co., Ltd., and soybean oil is purchased from Yunzu grease Co., Ltd., Fucheng county; sodium lignosulfonate was purchased from tokyo jirun technologies ltd; sodium lauryl sulfate was purchased from suzhou fusquan chemical ltd; ethylene glycol monomethyl ether was purchased from bosch chemical ltd, yangzhou; 1, 2-propanediol was purchased from Beijing chemical plant; bentonite purchased from Xinding mining company Limited, city of Xinyang; unzipping powder was purchased from feihuang chemical company, new yi city; white carbon black is purchased from Xinda chemical company, Toying; kaolin was purchased from environment protection science and technology limited, Wanjiang, Henan, and the rest of the reagents were all commercial products.
Example 122% Sulfenpyrad-ametryn suspension (weight ratio of Sulfenpyrad to ametryn 1:10)
Taking 2.0 parts by weight of sulfuryl pyraflufen-ethyl, 20 parts by weight of ametryn, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of ethylene glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of organic silicon defoamer and water for supplementing to 100 parts by weight.
Example 224% Thifenpyrazole-foramsulfuron Water dispersible granules (weight ratio of Thifenpyrazole and foramsulfuron 1:0.3)
Taking 18 parts by weight of sulfonylpyraflufen-ethyl, 6 parts by weight of foramsulfuron, 6 parts by weight of sodium lignosulfonate, 3 parts by weight of sodium dodecyl sulfate, 2 parts by weight of white carbon black, 3 parts by weight of soluble starch and 62 parts by weight of kaolin, and uniformly mixing.
Example 324% Sulfoxaden-benzobicyclon suspension (weight ratio of Sulfoxaden to benzobicyclon 1:1)
Taking 12 parts by weight of sulfone pyraflufen-ethyl, 12 parts by weight of benzobicyclon, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of organosilicon antifoaming agent and water for supplementing to 100 parts by weight.
Example 425% Thifenpyrazole amicarbazone suspension (weight ratio of Thifenpyrazole to amicarbazone 1:4)
Taking 5 parts by weight of sulfuryl pyraflufen-ethyl, 20 parts by weight of amicarbazone, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of ethylene glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of organic silicon defoamer and water for supplementing to 100 parts by weight.
EXAMPLE 524% Sulfopyrazole bromoxynil suspension (weight ratio of Sulfopyrazole to bromoxynil 1:3)
Taking 6 parts by weight of sulfone pyraflufen-ethyl, 18 parts by weight of bromoxynil, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of ethylene glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of organosilicon antifoaming agent and water for supplementing to 100 parts by weight.
EXAMPLE 624% Sulfobenzazole bromoxynil octanoate suspension (weight ratio of sufonazole to bromoxynil octanoate 1:2)
Taking 8 parts by weight of sulfonepyraflufen-ethyl, 16 parts by weight of bromoxynil octanoate, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of ethylene glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of an organosilicon antifoaming agent and water for supplementing to 100 parts by weight.
Example 724% Sulfuron pyrazoxazole-topramezone dispersible oil suspension (weight ratio of Sulfuron pyrazoxazole to topramezone 1:0.5)
Taking 16 parts by weight of sulfone pyraflufen-ethyl, 8 parts by weight of topramezone, 8 parts by weight of fatty alcohol polyoxyethylene ether phosphate, 4 parts by weight of calcium dodecyl benzene sulfonate, 6 parts by weight of castor oil polyoxyethylene ether, 1.5 parts by weight of TENSILOXI 869 and soybean oil which is complemented to 100 parts by weight, and uniformly mixing.
Example 824% Sulfenpyrad-ametryn microcapsule suspension-suspension (weight ratio of Sulfenpyrad to ametryn 1:0.2)
(1) Dissolving 20 parts by weight of the sulfonepyrazoxazole in 22 parts by weight of aromatic hydrocarbon solvent oil S-150, and then adding 5 parts by weight of polyvinyl alcohol and stirring uniformly; (2) dropwise adding the oil phase mixture obtained in the step (1) into 28.2 parts by weight of aqueous solution containing 6 parts by weight of fatty alcohol-polyoxyethylene ether, and stirring while dropwise adding; (3) keeping the temperature at 70 ℃ for 5 hours; (4) mixing 4 parts by weight of ametryn, 5 parts by weight of sodium lignosulfonate, 0.2 part by weight of xanthan gum, 0.1 part by weight of sodium benzoate, 5 parts by weight of ethylene glycol, 0.5 part by weight of organic silicon defoamer and 10 parts by weight of water, grinding by a wet method, and uniformly stirring with the solution in the step (3).
Example 9 Sulfuron pyrazox ametryn emulsifiable concentrate (weight ratio of Sulfuron pyrazox to ametryn 1:20)
1 part by weight of the sulfuryl pyraflufen-ethyl, 20 parts by weight of ametryn, 5 parts by weight of calcium dodecyl benzene sulfonate, 10 parts by weight of castor oil polyoxyethylene ether, 5 parts by weight of ethylene glycol monomethyl ether, 5 parts by weight of polyethylene glycol and aromatic hydrocarbon solvent oil S-150 which is complemented to 100 parts by weight are uniformly mixed.
Example 1025% Sulfenpyrad-ametryn microemulsion (weight ratio of Sulfenpyrad to ametryn 1:0.02)
24.5 parts of sulfonylpyraflufen, 0.5 part of ametryn, 8 parts of polyoxyethylene sorbitan monolaurate, 8 parts of castor oil polyoxyethylene ether, 6 parts of ethylene glycol monomethyl ether, 5 parts of ethylene glycol and the balance of water (the total is 100 parts by weight).
Example 1124% aqueous emulsion of sulfuryl pyraflufen-ametryn (weight ratio of sulfuryl pyraflufen to ametryn 1:0.02)
23.5 parts of sulfonepyraflufen-ethyl, 0.5 part of ametryn, 5 parts of fatty alcohol-polyoxyethylene ether, 10 parts of styryl phenyl polyoxyethylene ether, 10 parts of aromatic solvent oil S-150, 0.2 part of xanthan gum, 5 parts of ethylene glycol and water which is supplemented to 100 parts by weight are uniformly mixed.
Example 1224% wettable powder of xaflufen-ametryn (1: 88 weight ratio of xaflufen and ametryn)
0.27 part by weight of the sulfuryl pyraflufen-ethyl, 23.73 parts by weight of ametryn, 3 parts by weight of sodium lignin sulfonate, 1.5 parts by weight of sodium dodecyl sulfate and 71.5 parts by weight of kaolin are uniformly mixed.
Example 1324% Sulfenpyrad-ametryn suspension emulsion (weight ratio of Sulfenpyrad to ametryn 1:0.01)
23.76 parts by weight of sulfonepyraflufen, 0.24 part by weight of ametryn, 3 parts by weight of fatty alcohol-polyoxyethylene ether, 3 parts by weight of polyoxyethylene block copolymer, 5 parts by weight of polyethylene glycol, 0.5 part by weight of xanthan gum, 0.5 part by weight of magnesium aluminum silicate, 0.5 part by weight of organic silicon defoamer and 63.5 parts by weight of water are uniformly mixed.
Example 14
This example differs from example 2 only in that: the foramsulfuron in example 2 was replaced with an equal part by weight of topramezone.
Example 15
The only difference between this example and example 4 is that: amicarbazone in example 4 was replaced with an equivalent weight portion of bromoxynil.
Comparative example 124% Sulfuron pyrazole suspension
24 parts by weight of the sulfuryl pyraflufen-ethyl is taken, ametryn is not contained, and the rest components and the content are the same as those in the example 1.
Comparative example 224% ametryn water dispersible granule
24 parts by weight of ametryn were taken, and the composition and content were the same as those in example 2, except that it contained no pyraflufen-ethyl and foramsulfuron.
Comparative example 324% foramsulfuron suspension
24 parts by weight of foramsulfuron, containing no pyraflufen-ethyl and ametryn, were taken, and the other components and contents were the same as in example 1.
Comparative example 424% Bisulcotrione suspension
24 parts by weight of bicyclsulcotrione, which does not contain sulfuryl pyraflufen-ethyl and ametryn, was taken, and the other components and contents were the same as in example 1.
Comparative example 524% amicarbazone water dispersible granule
24 parts by weight of amicarbazone, which does not contain sulfuryl pyraflufen-ethyl and ametryn, and the other components and contents are the same as those in example 1.
Comparative example 624% bromoxynil wettable powder
24 parts by weight of bromoxynil, free of sulfonepyraflufen and ametryn, were taken, and the remaining components and contents were the same as in example 12.
Comparative example 724% bromoxynil octanoate emulsifiable concentrate
24 parts by weight of bromoxynil octanoate, which does not contain the sulfuryl pyraflufen-ethyl and ametryn, were taken, and the other ingredients and contents were the same as in example 9.
Comparative example 824% topramezone suspension
24 parts by weight of topramezone, which does not contain the sulfuryl pyraflufen-ethyl and ametryn, was taken, and the other components and contents were the same as in example 1.
Comparative example 9 Sulfoxaden-atrazine-mesotrione suspension
Respectively taking 7 parts by weight of sulfonepyraflufen, atrazine and mesotrione, 2 parts by weight of Atlos4913, 4 parts by weight of Atlos G5000, 5 parts by weight of glycol, 0.5 part by weight of magnesium aluminum silicate, 0.15 part by weight of organosilicon antifoaming agent and water for supplementing to 100 parts by weight.
Comparative example 10 Sulfoxaden atrazine suspension
Uniformly mixing 18 parts by weight of sulfonepyraflufen, 6 parts by weight of atrazine, 6 parts by weight of sodium lignosulfonate, 3 parts by weight of sodium dodecyl sulfate, 2 parts by weight of white carbon black, 3 parts by weight of soluble starch and 62 parts by weight of kaolin.
Test example 1
The control effects of the pesticide compositions of examples 1 to 15 and comparative examples 1 to 10 on weeds are tested in a corn planting field, the test area is carried out in a farmer field in Xuanhua county of Zhangkou city in Hebei province, the test soil is loam, the fertility is moderate, the conventional management is carried out, the test corn variety is Nongda 108, most seedlings are in 4-6 leaf stage, and the weeds are mostly in 3-5 leaf stage.
The method comprises the following specific steps: the pesticide compositions of examples 1-15 and comparative examples 1-10 were spray applied in different growing areas. The application amount of the pesticide composition is 24 g.a.i/mu, the area of a planting area of each pesticide composition is 25 square meters, the pesticide composition is diluted 3000 times by water when being applied, the water is used for replacing the pesticide composition to be used as blank treatment, and other planting conditions of various planting areas are completely the same except that the pesticide composition is applied according to the scheme. 30 days after the pesticide composition is applied, the weeds in the planting area are identified and counted, the control effect is calculated according to the formula (A), and the result is shown in the table 1:
TABLE 1
Note: the blank control group provided reference data for each treatment area, and thus had no control effect data.
As can be seen from Table 1, the composition of the invention adopts a scheme of compounding two active ingredients, the biological activity and the control effect are not simple addition of the activities of the components, and compared with a preparation with a single ingredient, the composition has obvious control effect and also has obvious synergistic action. Therefore, the dosage can be reduced, the cost is reduced, and the pollution of pesticide residue to the environment is reduced. Meanwhile, two active components in the pesticide composition are combined and used according to a specific proportion, so that multiple field weeds can be simultaneously controlled, and compared with single-component topramezone, ametryn, foramsulfuron, benzobicyclon, amicarbazone, bromoxynil octanoate and topramezone, the pesticide composition has an obvious synergistic effect and low dosage, the generation of drug resistance of the weeds is delayed, and the cost is saved. The pesticide composition is suitable for preventing and controlling weeds in corn fields, has good safety and plays a positive role in protecting the ecological environment.
As can be seen from the test effect data of the examples, the pesticide composition of the present invention has a weight ratio of the two active ingredients within a preferred range, and when a preferred second active ingredient is selected to be compounded with the first active ingredient or a preferred formulation is selected, a better control effect can be obtained, and specifically, the weight ratio of the two active ingredients in the pesticide compositions of examples 1,2, 4 and 6 is within a most preferred weight ratio of 1: (0.2-20), and the formulation is a preferred formulation-suspending agent, and the second active ingredient in the pesticidal composition belongs to one of the preferred "ametryn, foramsulfuron, amicarbazone and bromoxynil octanoate", so that the control effect of the pesticidal compositions of examples 1,2, 4 and 6 is optimal; secondly, the formulations of examples 3,5, 14 and 15 are in the form of suspensions, the weight ratio of the two active ingredients being in the most preferred weight ratio 1: (0.2-20), but the second active ingredient formulated with the first active ingredient is not the most preferable species, so that the pesticidal compositions of examples 3,5, 14 and 15 have slightly poorer controlling effects than the pesticidal compositions of examples 1,2, 4 and 6; again, the weight ratio of the two active ingredients in the pesticide composition of examples 7-9 is in the most preferred weight ratio of 1: (0.2 to 20) but the formulation is not a suspending agent, so that the pesticidal compositions of examples 7 to 9 are inferior in controlling effect to those of examples 3,5, 14 and 15; again, the weight ratio of the two active ingredients in examples 10, 11 is in the more preferred weight ratio 1: (0.02 to 50), the formulation is not a suspending agent, so that the control effect of the pesticide compositions of examples 10 and 11 is inferior to that of the pesticide compositions of examples 7 to 9; finally, the weight ratio of the two active ingredients in the pesticidal compositions of examples 12, 13 was in the general range 1: (0.01-90), the formulation is not a suspending agent, so the control effect of the pesticide composition of examples 12 and 13 is inferior to that of examples 10 and 11.
The pesticide composition can be used by a conventional method, for example, the pesticide composition can be directly scattered in the field or sprayed, and preferably, the pesticide composition can be diluted and sprayed to enable the pesticide composition to have higher utilization rate and better control effect after application.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. A pesticide composition is characterized by comprising a first active component and a second active component, wherein the first active component is the sulfonepyraflufen-ethyl, and the second active component is bromoxynil octanoate; the weight ratio of the first active component to the second active component is 1: (0.01-90).
2. The pesticide composition as set forth in claim 1 wherein the weight ratio of the first active component to the second active component is from 1: (0.02-50).
3. The pesticide composition as set forth in claim 2 wherein the weight ratio of the first active component to the second active component is 1: (0.2-20).
4. The pesticidal composition according to claim 1, further comprising an adjuvant comprising at least one of water, a dispersant, a wetting agent, an antifreeze agent, a preservative, a thickener, an emulsifier, a solvent, an antifoaming agent, a binder, a disintegrant, and a solid inert carrier; the weight ratio of the active component to the adjuvant is 1: (0.1-20); the dispersing agent comprises at least one of high molecular polymer, lignosulfonate, naphthalenesulfonate, polycarboxylate, fatty alcohol polyoxyethylene ether phosphate and castor oil polyoxyethylene ether phosphate; the wetting agent comprises at least one of alkyl sulfate, alkyl naphthalene sulfonate, alkyl sulfonate and fatty alcohol-polyoxyethylene ether; the antifreezing agent comprises at least one of urea, potassium chloride, ethylene glycol, 1, 2-propylene glycol, glycerol, polyethylene glycol, sorbitol and sodium chloride; the preservative comprises at least one of cason, formaldehyde, sodium benzoate, sorbic acid and potassium sorbate; the thickening agent comprises at least one of sodium alginate, gum arabic, magnesium aluminum silicate, xanthan gum, polyvinyl alcohol, sodium carboxymethylcellulose, organic bentonite and white carbon black; the emulsifier comprises at least one of calcium dodecyl benzene sulfonate, styryl phenol polyoxyethylene ether phosphate, castor oil polyoxyethylene ether phosphate, sorbitan monooleate, dibenzyl phenol polyoxyethylene ether, sorbitan monolaurate, polyoxyethylene lauryl ether, polyoxyethylene sorbitan polyoxyethylene ether, polyoxyethylene sorbitan monooleate, styryl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether and castor oil polyoxyethylene ether; the solvent comprises at least one of propanol, isopropanol, propylene glycol, glycerol, n-butanol, n-pentanol, isopentanol, n-hexanol, n-heptanol, n-octanol, ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, sorbitol, ethyl acetate, aromatic hydrocarbon solvent oil, vegetable oil and methyl oleate; the defoaming agent comprises at least one of a polyether defoaming agent, an organic silicon defoaming agent and a polyether modified polysiloxane defoaming agent; the binder comprises at least one of polyvinylpyrrolidone, methylcellulose, hydroxypropyl methylcellulose, polyethylene glycol, polyvinyl alcohol, soluble starch, corn starch, and glucose; the disintegrant comprises at least one of sodium carboxymethyl starch, hydroxypropyl starch, carboxypropyl cellulose, croscarmellose sodium, ammonium sulfate and urea; the solid inert carrier comprises at least one of kaolin, diatomite, bentonite, zeolite, attapulgite, talcum powder, montmorillonite and light calcium carbonate.
5. The pesticidal composition according to claim 4, wherein the formulation of the pesticidal composition is one selected from the group consisting of a suspension concentrate, a water dispersible granule, a microcapsule suspension-suspension concentrate, an emulsifiable concentrate, a microemulsion, an aqueous emulsion, a wettable powder, a suspoemulsion and a dispersible oil-suspension concentrate.
6. The pesticide composition as set forth in claim 5, wherein the pesticide composition is in the form of a suspension or water dispersible granules.
7. Use of the pesticidal composition of any one of claims 1-6 for controlling weeds in corn fields.
8. The use of claim 7, wherein the weeds comprise at least one of green bristlegrass, crabgrass, barnyard grass, goosegrass, redroot pigweed, quinoa, bindweed, black nightshade, abutilon, acalypha australis, and purslane.
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| CN202111155251.3A Withdrawn CN113749104A (en) | 2018-02-02 | 2018-02-02 | Pesticide composition and application thereof |
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| CN109730080B (en) * | 2019-01-30 | 2021-04-20 | 广西化工研究院有限公司 | Herbicide composition containing pyraflufen-ethyl and formamidosulfuron |
| CN115363040B (en) * | 2022-08-31 | 2024-08-13 | 山东润博生物科技有限公司 | Suspending agent containing fenpyrad and amicarbazone and preparation method thereof |
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| CN103250708A (en) * | 2006-12-21 | 2013-08-21 | 组合化学工业株式会社 | Herbicidal composition |
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| JP4465133B2 (en) * | 2001-02-08 | 2010-05-19 | クミアイ化学工業株式会社 | Isoxazoline derivatives and herbicides containing the same as active ingredients |
| UA78071C2 (en) * | 2002-08-07 | 2007-02-15 | Kumiai Chemical Industry Co | Herbicidal composition |
| PL1755397T3 (en) * | 2004-04-30 | 2008-06-30 | Syngenta Participations Ag | Herbicidal composition |
| CA3006377C (en) * | 2008-05-21 | 2020-07-21 | Basf Se | A herbicidal composition comprising glufosinate or its salts and pyroxasulfone |
| CN103734148A (en) * | 2013-12-26 | 2014-04-23 | 山东康乔生物科技有限公司 | Weeding composition containing pyroxasulfone |
| CN106259362A (en) * | 2015-06-09 | 2017-01-04 | 江苏龙灯化学有限公司 | A kind of Synergistic herbicide compositions |
| CN106259364A (en) * | 2015-06-09 | 2017-01-04 | 江苏龙灯化学有限公司 | A kind of Synergistic herbicide compositions |
| CN106259360A (en) * | 2015-06-09 | 2017-01-04 | 江苏龙灯化学有限公司 | A kind of Synergistic herbicide compositions |
| CN106614630A (en) * | 2016-09-18 | 2017-05-10 | 辽宁海佳农化有限公司 | Weedicide and preparation method of weedicide |
| CN107509733A (en) * | 2017-09-12 | 2017-12-26 | 河南省农业科学院植物保护研究所 | A kind of cornfield weeding composition containing atrazine and sulfone pyrrole grass azoles |
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| CN103250708A (en) * | 2006-12-21 | 2013-08-21 | 组合化学工业株式会社 | Herbicidal composition |
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| 王江柱 等: "《常用通用名农药使用指南》", 30 September 2008, 金盾出版社，第1版 * |
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