CN107439579B - Weeding in cotton field agent composition and its application containing flumioxazin - Google Patents
Weeding in cotton field agent composition and its application containing flumioxazin Download PDFInfo
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- CN107439579B CN107439579B CN201710786393.7A CN201710786393A CN107439579B CN 107439579 B CN107439579 B CN 107439579B CN 201710786393 A CN201710786393 A CN 201710786393A CN 107439579 B CN107439579 B CN 107439579B
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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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- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/84—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 one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
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Abstract
The invention discloses a kind of the weeding in cotton field agent composition containing flumioxazin and its application, belong to agriculture chemical compounding field.The effective component of the herbicidal composition is made of A and B, and effective constituents A is flumioxazin, and effective component B is pyrithiobac-sodium, trifloxysulfuron or fluorochloridone, and the weight ratio of effective constituents A and effective component B are 50:1--1:50.The composition can be configured to missible oil, liquor, aqua, emulsifiable concentrate, microemulsion, wettable powder, aqueous suspension agent, oil-suspending agent, water dispersion granule or soluble powder (granula).Herbicidal combinations of the invention are for preventing and kill off the annual and perennial broadleaf weeds of Cotton Fields and sedge weed.
Description
Technical field
The present invention relates to agricultural double-crossed fields, relate more specifically to a kind of weeding in cotton field agent group containing flumioxazin
Close object and its application.
Background technique
Cotton is the important industrial crops and textile fabric crop of China.Weed in cotton field will affect the yield and matter of cotton
Amount, can cause the cotton underproduction to be up to 60% when endangering serious.In recent years, Chinese cotton field broadleaf weeds and sedge weed prevent and kill off difficulty
It spends larger.Cauline leaf process agent such as Quizalotop-ethyl, haloxyfop-r-methyl, efficient fluazifop, clethodim, sethoxydim etc. is only to standing grain
Undergraduate course weeds have favorable effect, invalid to broadleaf weeds.Though pyrithiobac-sodium and trifloxysulfuron have the common broadleaf weeds in cotton field
Favorable effect, but reaction speed is slower, and the difficult broadleaf weeds preventive effect prevented and kill off in part is also undesirable, while to different cotton varieties
Safety differs greatly, and is also easy to produce phytotoxicity.Weed in cotton field is prevented and kill off using soil treatment before seedling sowing agent, due to having economic, peace
Entirely, the advantages that effect is good, it has also become the important chemical weed control mode in cotton field, but common processing soil treatment agent such as trefanocide, diformazan penta
Spirit, Acetochlor, smart isopropyl first grass, isopropyl first grass by etc. mostly to prevent and kill off based on gramineae weed, it is not high to broadleaf weeds preventive effect.
Additionally, due to being used for a long time above-mentioned herbicide, the weed communities such as black nightshade, purslane, piemarker, field bindweed, ivy glorybind, acalypha copperleaf by
Year grows, and has become the dominant population of weed community in some areas.Therefore, still very shortage prevents and kill off broad-leaved to Cotton Fields at present
The herbicide of weeds.
Flumioxazin, common name are as follows: Flumioxazin, chemical name are as follows: N- (fluoro- 3, the 4- dihydro -3- oxygen -4- third of 7-
Alkynes -2- base -2H-1,4- benzoxazine -6- base) hexamethylene -1- alkene -1,2- dicarboximide, molecular formula: C19H15FN2O4, molecule
Amount: 354.3, structural formula is as follows,
Flumioxazin is the acid imide selectivity contact killing type weeding of SUMITOMO CHEMICAL chemical industry Co., Ltd. research and development
Agent can be absorbed by the young shoot of plant and blade, and the mechanism of action is to inhibit proporphyrinogen oxidase in plant, cause plant former
The accumulation of porphyrin moment, causes the peroxidating of photosensitization and Cell membrane lipids, causes cellular endogenous object to leak, finally makes plant thin
Born of the same parents' quick death, to kill weeds.Flumioxazin has the characteristics that broad weed-killing spectrum, effect is rapid, insecticide-applying way is flexible.?
China, flumioxazin have obtained agriculture chemical registration, prevent and kill off annual broadleaf weed and part for Soybean Field, Peanut Fields and citrus field
Gramineae weed has been reported and shows that preemergence application flumioxazin is to purslane, Amaranthus retroflexus, dragon after soybean, Peanut Fields are broadcast
The common broadleaf weeds such as certain herbaceous plants with big flowers has fine preventive effect, and in effective component 120g/hm2To soybean safety under dosage, in 75g/hm2Dosage
Under to peanut safety and have guarantor produce effect of increasing production.The U.S. once had flumioxazin is applied into before cotton field is broadcast different times or seedling after
The report of directed spraying management of weeds, respectively 0 before sowing cotton seed, 1,2,3,4,5,6,8,10 weeks application 70g/hm2Propine
Benfluralin, if spraying in cotton planting, will cause 12% cotton growth it is slow, middle crop peanut object amount is reduced, but to cotton
Flower yield effect is little；Cauline leaf orientation sprays 36 or 70g/hm when plant height 15cm or 30cm2Flumioxazin do not have to cotton
Phytotoxicity.Tan Jinni etc. (2017) is by greenhouse pot culture method to the degrass spectrum of flumioxazin, activity of weeding and its to the peace of cotton
Full property is determined.The result shows that: flumioxazin has favorable effect to the common broadleaf weeds in cotton field, and treatment dosage is effective
Ingredient 15g/hm2When, 90% is above to the fresh weight preventive effect of purslane, Amaranthus retroflexus, Chenopodiaceae, small Chenopodiaceae and Eclipta prostrata, to sarson, lettuce Mai
The fresh weight preventive effect of dish, Horseweed Herb, black nightshade, herba digitariae and herba eleusines indicae etc. is higher than 80%.Therefore, rear preemergence application propine fluorine grass is broadcast in cotton field
Amine helps to solve the problems, such as that cotton in seedling stage broadleaf weeds is difficult to prevent and kill off.But flumioxazin belongs to contact killing type herbicide, part
Broadleaf weeds is easy to turn green, such as leads a cow, Horseweed Herb, and dosage height can equally generate phytotoxicity when using after seedling.
Pyrithiobac-sodium, common name are as follows: Pyrithiobac-sodium, chemical name are as follows: (4,6- dimethoxys are phonetic by the chloro- 6- of 2-
Pyridine -2- base sulfenyl) benzoic acid or its organic salt such as ethanolamine salt, triisopropanolamine salt, triethylamine salt, dimethylamine salt or its nothing
Machine salt such as sylvite, sodium salt, ammonium salt or its esters such as methyl esters, butyl ester, monooctyl ester, different monooctyl ester.Molecular formula: C13H10ClN2NaO4S, phase
To molecular weight: 348.7, structural formula is as follows,
Pyrithiobac-sodium is pyrimidine bigcatkin willow acid compounds, it is a kind of acetolactate synthestase (ALS) inhibitor, passes through resistance
Only the biosynthesis of amino acid and have the function that management of weeds.Being mainly used for Cotton Fields, to prevent and kill off annual and perennial broadleaf miscellaneous
Grass and part gramineae weed.Shinohar etc. studies have shown that pyrithiobac-sodium for weeding in cotton field to lead a cow, black nightshade, Siberian cocklebur
Etc. the broadleaf weeds preventive effect prevented and kill off of difficulties it is preferable.Li Mei etc. (2009) greenhouse pot culture bioassay results show pyrithiobac-sodium
Soil treatment has slight phytotoxicity to cotton to cotton safety, cauline leaf process high concentration.Soil treatment is to Amaranthus retroflexus, herba digitariae, barnyard grass
With the ED of piemarker90Respectively 39.85,272.05,309.87 and 459.01g/hm2, cauline leaf process is best to Amaranthus retroflexus preventive effect,
ED90Less than 15g/hm2, to the ED of barnyard grass, piemarker90Respectively 125.27,486.10g/hm2, only have inhibiting effect to herba digitariae, prevent
It imitates poor.Illustrate no matter soil treatment or cauline leaf process, Amaranthus retroflexus is far below to the activity of weeding of broadleaf weeds piemarker.It is phonetic
Careless thioether speed of action is slower, undesirable to the preventive effect of piemarker, purslane, acalypha copperleaf, black nightshade etc..Simultaneously at high dose cauline leaf
Reason easily generates phytotoxicity to cotton.
Trifloxysulfuron, common name are as follows: Trifloxysulfuron, chemical name: 1- (4,6- dimethoxypyridin -2-
Base) -3- [3- (2,2,2- trifluoro ethoxy) -2- pyridine sulfonyl sulfonyl base] urea, molecular formula C14H14F3N5O6S, relative molecular weight
437.35 structural formula is as follows,
Trifloxysulfuron belongs to sulfonylurea herbicide, is acetolactate synthestase (ASL) inhibitor, can rapidly by leaf and
Root absorbs, and conducts in plant, is transferred to separate living tissue, can inhibit valine, leucine and different in sensitive crop body
The biosynthesis of leucine and prevent cell division, so that sensitive crop is stopped growing, it is dead in after by medicine 1~3 weeks, by Switzerland
Novartis Co., Ltd's exploitation is mainly used to prevent and treat the broadleaf weeds and sedge weed in cotton field.It mainly registers in China for sugarcane field
Prevent and kill off sedge weed.
Fluorochloridone, common name are as follows: Flurochloridone, chemical name: the chloro- 4- of (3RS, 4RS, 3RS, 4RS) -3-
Chloromethyl -1- (α, α, α-trifluoro between methyl) -2-Pyrrolidone (ratio 3:1), molecular formula: C12H10Cl2F3NO, average molecular
Amount: 312.1, structural formula is as follows,
Fluorochloridone (fluorochloridone, trade name Racer, Rainbow) is former U.S. Li Duofu company
The dry land herbicide that the exploitation of (Stauffer Chemical CO.) late 1970s, the mid-80 are gone into operation, belongs to pyrrolidines
Type herbicides, mainly after broadcasting before seedling using preventing and kill off winter wheat, cotton, sunflower, carrot field broadleaf weeds herba stellariae mediae, field violet
Dish, ivy, Veronica, purslane, Herba Galii Teneri etc..It is domestic until 2011 just to have the good brightness chemical industry of first company's Law Firm Suzhou Jiangsu
Co., Ltd's registration production fluorochloridone raw medicine, and the production is served only for exporting.
Up to the present it is showed no both at home and abroad and mixes flumioxazin and pyrithiobac-sodium, trifloxysulfuron or fluorochloridone
Group and object report and its patent application.
Summary of the invention
The object of the present invention is to provide a kind of the weeding in cotton field agent composition containing flumioxazin and its application,
The composition can expand the degrass spectrum of each single dose, improve the preventive effect to cotton field weed.
We have found under study for action, and Cotton Fields are applied alone a kind of medicament to be difficult to prevent and kill off all broadleaf weeds, and we are by propine
After benfluralin is mixed with one kind or two kinds of pyrithiobac-sodium, trifloxysulfuron or fluorochloridone, to the nearly all broad-leaved of Cotton Fields
Weeds have good preventive effect, especially occur seriously to be difficult to the broadleaf weeds prevented and kill off such as black nightshade, field bindweed, piemarker to current
Fiber crops, purslane, acalypha copperleaf etc..
Each medicament can have complementary advantages after mixed, and it is fast both to have reached reaction speed, make weeds thoroughly dead purpose, and can reduce
Cost reduces spraying times, has saved labour.Advantage with following several respects: 1, there is stronger synergy after using with
Effect, to reduce respective dosage, reduces weeding cost, and improve the safety to crop.2, it expands and kills
Grass spectrum, improves whole herbicidal effect.3, each component can have complementary advantages after using with, have Uptake and translocation, contact killing type herbicide concurrently
The characteristics of, reaction speed is fast, and weeds death is more thorough.
In order to meet the needs of agricultural production, the herbicidal effect of above compound is further increased, agricultural cost is reduced, originally
The inventor of invention is dedicated to the invention of new herbicidal composition, especially the active constituent weeding containing above compound always
The developmental research of agent composition.
After study, discovery flumioxazin and above-mentioned 3 kinds of herbicides are used in combination and make with apparent synergy inventor
With having conspicuousness raising to the control efficiency of Cotton Fields broadleaf weeds, and degrass spectrum can be expanded.
The present invention provides a kind of novel herbicidal composition, flumioxazin and extremely is mainly contained in the composition
The herbicidal active compounds of herbicidal composition less selected from one of pyrithiobac-sodium, trifloxysulfuron, fluorochloridone composition.By
There is different structure type and mechanism of action in them, the two compounding can be improved to a greater degree to Cotton Fields malignant weed
Preventive effect expands degrass spectrum.
Herbicidal composition of the invention contains effective constituents A flumioxazin and effective component B is at least selected from phonetic careless sulphur
The herbicidal composition of one of ether, trifloxysulfuron, fluorochloridone composition, wherein flumioxazin and above-mentioned 3 kinds of weedings
The weight fraction ratio of agent is 50:1-1:50, and preferable ratio is 30:1-1:30, and preferred ratio is 10:1-1:10, remaining is
Allow in pesticide using with acceptable auxiliary element.
It should be noted that three is different with flumioxazin and pyrithiobac-sodium or its organic salt such as ethanolamine salt in the present invention
Propyl alcohol amine salt, triethylamine salt, dimethylamine salt or its inorganic salts such as sylvite, sodium salt, ammonium salt or its esters such as methyl esters, butyl ester, pungent
Ester, different monooctyl ester compounding have the technical solution of synergy, should belong to the range that the present invention is protected.
It should be noted that the present invention in flumioxazin and trifloxysulfuron or its organic salt such as ethanolamine salt, three
Isopropanol amine salt, triethylamine salt, dimethylamine salt or its inorganic salts such as sylvite, sodium salt, ammonium salt compounding have the technical side of synergy
Case should belong to the range that the present invention is protected.
Parts by weight of the present invention are unit of weight commonly used in the art, for example, gram, two, kilogram, ton etc..The present invention
Herbicidal composition in active component be total weight 0.5-95.0%.Active component in herbicidal composition of the invention
Amount depends on amount of application when every kind of component is used alone, and also depends on the ratio and synergy of a kind of component and other two component
The degree of effect.
Auxiliary agent used in composition of the invention include wetting agent, dispersing agent, emulsifier, solvent and filler etc. other
It is beneficial to the effective component stable known substance played with drug effect in the formulation, is all commonly used or allowed to use in pesticidal preparations
Various composition has no specific restriction, specific ingredient and dosage and is determined according to recipe requirements by simple experiment.
Herbicidal composition of the invention at least contains there are two types of carrier, can be solid or liquid, removes commonly used in preparing
The carrier of careless agent composition can be used.At least one of composition of the invention carrier is surfactant, can be emulsification
Agent, dispersing agent or wetting agent.For example, lauryl sodium sulfate, Teepol, neopelex, polyoxyethylene
Aliphatic ester, polyoxyethylene aliphatic alcohol ether, Polyoxyethylene fatty ammonia, ethoxy castor oil, fatty acid polyethylene glycol ester, alkyl phenol
Polyoxyethylene ether, fatty alcohol polyoxyethylene ether etc. or other surfactants commonly used in the art.
The present composition can be configured to missible oil, liquor, aqua, emulsifiable concentrate, microemulsion, wettable powder, aqueous suspension
Agent, oil-suspending agent, water dispersion granule or soluble powder/granula etc., these preparations can be prepared by method generally in the art.
Herbicidal combinations of the present invention can be provided in the form of finished product preparation, i.e., each substance has mixed in composition；
It can also individually dosage form provide, voluntarily be mixed in bucket or tank using preceding.The concentrate of composition according to the present invention is logical
Chang Yushui is mixed to get the concentration of required active material.
Composition of the invention can be used for preventing and treating the annual and perennial various broadleaf weeds of Cotton Fields and part grass family
Weeds.It such as leads a cow for prevention and treatment, black nightshade, Veronica, purslane, Herba Galii Teneri, field bindweed, piemarker, acalypha copperleaf weeds.
Composition of the invention can be with other compound especially soil treatments with weeding, desinsection or bactericidal property
Herbicide is used in mixed way, and can also mix with nematicide, protective agent, growth regulator, nutrient for plants or soil conditioner makes
With.
The present invention also provides a kind of methods of weeding, before weed germination or after sprouting, to crop and plant growth
Place apply composition of the invention.It can be applied by common method, such as mix soil, spraying, injection, casting.The present invention
The amount of application of herbicide change with weather condition or crop condition.Herbicidal effect usually with single compound in composition
Content is related, also related to extraneous factor such as weather, but can slow down the influence of weather by using dosage form appropriate.
Herbicidal combinations of the invention have the advantage that first is that composition show within a certain ratio range it is fabulous
Synergistic effect, mixed composition significantly improves herbicidal effect compared with its single dose, to reduce dosage, is reducing
While peasant's drug cost, the degree of effect on environment is reduced.Second is that expand degrass spectrum, a kind of medicament can be prevented and treated simultaneously
A variety of weeds provide a kind of means of prevention extremely easily and effectively, have good control efficiency to the broadleaf weeds of Cotton Fields.
Third is that the composition is that systemic herbicide is combined with contact toxicity mixture of herbicides, medicament different role characteristic obtains extremely strong excellent
Gesture is complementary, can effectively delay the generation and development of single dose resistance.
Specific embodiment
Herbicidal combinations of the invention can be prepared into any one dosage form of suitable agricultural use by known method.Institute
There is percentage in formula to be weight percentage.The processing technology of the various dosage forms of the present composition is the prior art, according to
Different situations can be varied.It is described in detail with following specific embodiments, so that the present invention is easier to understand, but this hair
It is bright to be limited to these examples absolutely not.
1, flumioxazin and pyrithiobac-sodium composite preparation
Embodiment 1:51% flumioxazin pyrithiobac-sodium wettable powder (50:1)
Flumioxazin 50%, pyrithiobac-sodium 1%, neopelex 2.0%, White Carbon black 5%, lignin sulfonic acid
Sodium 10%, diatomite complements to 100%.
Preparation method: by above-mentioned formula that effective component flumioxazin, pyrithiobac-sodium and auxiliary agent, filler is sufficiently mixed
It closes, after ultra-fine pulverizer disintegrating, that is, can be made into corresponding Wettable pesticide powder.
Embodiment 2:31% flumioxazin pyrithiobac-sodium aqueous emulsion (30:1)
Flumioxazin 30%, pyrithiobac-sodium 1%, N-Methyl pyrrolidone 5%, polyvinyl alcohol 0.8%, Sorbitan
Alcohol fatty acid ester polyoxyethylene ether 5%, alkyl-diethylene glycol ether-sodium sulfonate 2.5%, agriculture breast 2,201 2%, ethylene glycol 5%,
Water complements to 100%.
Preparation method: raw medicine, solvent, emulsifier and co-emulsifier are added together, and make to be dissolved into homogeneous oil phase.By water,
The mixing such as antifreeze, becomes uniform water phase.Under high velocity agitation, water phase is added to oily phase or oil is added to water phase, shape
At the good aqueous emulsion of dispersibility.
Embodiment 3:55% flumioxazin pyrithiobac-sodium water-dispersible granules (10:1)
Flumioxazin 50%, pyrithiobac-sodium 5%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 12%, citric acid 5%,
Soluble starch 15%, gypsum complements to 100%.
Preparation method: carrying out co-grinding for raw medicine and powder carrier, wetting spreader-sticker and binder etc., spray-dried
Or after fluidized drying obtains water-dispersible granules or adds water kneading, it is added in the pelletizer equipped with certain specification sieve and carries out
It is granulated.Then again through drying, screening (pressing screen cloth scope) up to granular product.
Embodiment 4:20% flumioxazin pyrithiobac-sodium suspending agent (1:1)
Flumioxazin 10%, pyrithiobac-sodium 10%, sodium lignin sulfonate 5%, White Carbon black 0.3%, agriculture breast 2,201 5%,
Glycerine 8%, silicone is a little, and water complements to 100%.
Preparation method: raw medicine, dispersing agent, suspending agent, antifreezing agent and water are uniformly mixed by above-mentioned formula, pass through sand mill
It is sanded 2-4 hours, makes its average grain diameter at 5 microns hereinafter, can be made into corresponding suspending agent product.
Embodiment 5:22% flumioxazin pyrithiobac-sodium missible oil (1:10)
Flumioxazin 2%, pyrithiobac-sodium 20%, n,N-Dimethylformamide 10%, fatty alcohol polyoxyethylene ether 10%,
Glyceryl monolaurate polyoxyethylene ether 10%, fast penetration enhancer T 10%, solvent naphtha are mended to 100%.
Preparation method: raw medicine, solvent, emulsifier are added together, and are made to be dissolved into homogeneous oil phase i.e. and be can be made into corresponding missible oil
Product.
Embodiment 6:31% flumioxazin pyrithiobac-sodium oil-suspending agent (1:30)
Flumioxazin 1%, pyrithiobac-sodium 30%, fatty alcohol polyoxyethylene ether 5%, glyceryl monolaurate polyoxyethylene
Ether 10%, fast penetration enhancer T 10%, vegetable oil are mended to 100%.
Raw medicine, dispersing agent, suspending agent, antifreezing agent and vegetable oil: being uniformly mixed by preparation method by above-mentioned formula, and sand is added
It grinds in kettle, progress is finely ground, that is, can be made into corresponding oil-suspending agent product.
Embodiment 7:51% flumioxazin pyrithiobac-sodium oil-suspending agent (1:50)
Flumioxazin 1%, pyrithiobac-sodium 50%, fatty alcohol polyoxyethylene ether 5%, glyceryl monolaurate polyoxyethylene
Ether 10%, fast penetration enhancer T 10%, vegetable oil are mended to 100%.
Preparation method: ibid.
2, flumioxazin and trifloxysulfuron composite preparation
Embodiment 8:51% flumioxazin trifloxysulfuron water-dispersible granules (50:1)
Flumioxazin 50%, trifloxysulfuron 1%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 12%, citric acid
5%, soluble starch 15%, gypsum complements to 100%.
Preparation method: with embodiment 3.
Embodiment 9:31% flumioxazin trifloxysulfuron oil-suspending agent (30:1)
Flumioxazin 30%, trifloxysulfuron 1%, fatty alcohol polyoxyethylene ether 5%, glyceryl monolaurate polyoxy second
Alkene ether 10%, fast penetration enhancer T 10%, vegetable oil are mended to 100%.
Preparation method: with embodiment 6.
Embodiment 10:55% flumioxazin trifloxysulfuron wettable powder (10:1)
Flumioxazin 50%, trifloxysulfuron 5%, neopelex 2.0%, White Carbon black 5%, sulfomethylated lignin
Sour sodium 10%, diatomite complements to 100%.
Preparation method: with embodiment 1.
Embodiment 11:20% flumioxazin trifloxysulfuron aqueous emulsion (1:1)
Flumioxazin 10%, trifloxysulfuron 10%, N-Methyl pyrrolidone 5%, polyvinyl alcohol 0.8%, dehydration mountain
Pears alcohol fatty acid ester polyoxyethylene ether 5%, alkyl-diethylene glycol ether-sodium sulfonate 2.5%, agriculture breast 2,201 2%, ethylene glycol
5%, water complements to 100%.
Preparation method: with embodiment 2.
Embodiment 12:22% flumioxazin trifloxysulfuron suspending agent (1:10)
Flumioxazin 2%, trifloxysulfuron 20%, sodium lignin sulfonate 5%, White Carbon black 0.3%, agriculture breast 2201
5%, glycerine 8%, silicone is a little, and water complements to 100%.
Preparation method: with embodiment 4.
Embodiment 13:31% flumioxazin trifloxysulfuron water-dispersible granules (1:30)
Flumioxazin 1%, trifloxysulfuron 30%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 12%, citric acid
5%, soluble starch 15%, gypsum complements to 100%.
Preparation method: with embodiment 3.
Embodiment 14:25.5% flumioxazin trifloxysulfuron missible oil (1:50)
Flumioxazin 0.5%, trifloxysulfuron 25%, N-Methyl pyrrolidone 30%, castor oil polyoxyethylene alcohol
10%, glyceryl monolaurate polyoxyethylene ether 5%, solvent naphtha is mended to 100%.
Preparation method: with embodiment 5.
3, flumioxazin and fluorochloridone composite preparation
Embodiment 15:25.5% flumioxazin fluorochloridone suspending agent (50:1)
Flumioxazin 25%, fluorochloridone 0.5%, sodium lignin sulfonate 5%, White Carbon black 0.3%, agriculture breast 2201
5%, glycerine 8%, silicone is a little, and water complements to 100%.
Preparation method: with embodiment 4.
Embodiment 16:31% flumioxazin fluorochloridone missible oil (30:1)
Flumioxazin 30%, fluorochloridone 1%, n,N-Dimethylformamide 10%, fatty alcohol polyoxyethylene ether 10%,
Glyceryl monolaurate polyoxyethylene ether 10%, fast penetration enhancer T 10%, solvent naphtha are mended to 100%.
Preparation method: with embodiment 5.
Embodiment 17:22% flumioxazin fluorochloridone oil-suspending agent (10:1)
Flumioxazin 20%, fluorochloridone 2%, fatty alcohol polyoxyethylene ether 5%, glyceryl monolaurate polyoxyethylene
Ether 10%, fast penetration enhancer T 10%, vegetable oil are mended to 100%.
Preparation method: with embodiment 6.
Embodiment 18:10% flumioxazin fluorochloridone precititation dispersion-ness particle agent (1:1)
Flumioxazin 5%, fluorochloridone 5%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 12%, citric acid 5% can
Soluble starch 15%, gypsum complements to 100%.
Preparation method: with embodiment 3.
Embodiment 19:55% flumioxazin fluorochloridone wettable powder (1:10)
Flumioxazin 5%, fluorochloridone 50%, neopelex 2.0%, White Carbon black 5%, lignin sulfonic acid
Sodium 10%, diatomite complements to 100%.
Preparation method: with embodiment 1.
Embodiment 20:31% flumioxazin fluorochloridone aqueous emulsion (1:30)
Flumioxazin 1%, fluorochloridone 30%, N-Methyl pyrrolidone 5%, polyvinyl alcohol 0.8%, Sorbitan
Alcohol fatty acid ester polyoxyethylene ether 5%, alkyl-diethylene glycol ether-sodium sulfonate 2.5%, agriculture breast 2,201 2%, ethylene glycol 5%,
Water complements to 100%.
Preparation method: with embodiment 2.
Embodiment 21:51% flumioxazin fluorochloridone water-dispersible granules (1:50)
Flumioxazin 1%, fluorochloridone 50%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 12%, citric acid 5%,
Soluble starch 15%, gypsum complements to 100%.
Preparation method: with embodiment 3.
Herbicidal effect of the composition in greenhouse
Under greenhouse experiment, coughed up using the method measurement flumioxazin of potting with pyrithiobac-sodium, trifloxysulfuron and fluorine
The mixed combination of humulone difference finds out each single dose and mixture to the preventive effects of weeds, with computer DPS data processing system
Regression straight line and ED50Value.With Sun Yunpei's Method, the synergy of pharmacy mix is evaluated according to co-toxicity coefficient (CTC).
Criterion: CTC≤80 are antagonism, and 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect；
Co-toxicity coefficient (CTC) is calculated by formula (1), (2) and (3):
In formula:
ATI-mixture surveys toxicity index；
S-standard agent ED50Or ED90；
M-mixture ED50Or ED90；
TTI=TIA×PA+TIB×PB……………………………(2)
In formula:
TTI-mixtures theoretical toxicity index；
TIA- A medicament toxicity index；
PAPercentage composition of-A the medicament in mixture；
TIB- B medicament toxicity index；
PBPercentage composition of-B the medicament in mixture；
In formula:
CTC-co-toxicity coefficient；
ATI-mixture surveys toxicity index；
TTI-mixtures theoretical toxicity index.
Test method: it is to be packed into suitable sieving loam in 10cm disposable plastic flowerpot in diameter, sows quantitative miscellaneous
Grass seed flattens after earthing 0.5-1cm.Flowerpot, which is placed in plastics square plate, makes it absorb water to soil saturation from bottom natural,
After placing 24 hours, soil spraying treatment is carried out, hot-house culture observation is placed on after processing, the weeding of each processing is investigated after 20 days
Effect.
The synergy to piemarker mixed with pyrithiobac-sodium of 1. flumioxazin of table
Flumioxazin toxicity test result (table 1) mixed with pyrithiobac-sodium shows in weight ratio 1:50--50:1 range
It is interior, after flumioxazin is mixed with pyrithiobac-sodium, 120 are all larger than to the co-toxicity coefficient of piemarker, there is apparent synergistic effect.Cause
This, within the scope of weight ratio 1:50-50:1, preferably, and within the scope of weight ratio 1:30-30:1, more preferable weight ratio 1:10-
10:1, flumioxazin are compounded with pyrithiobac-sodium with synergistic effect, and synergistic effect is more significant.
The synergy to piemarker mixed with trifloxysulfuron of 2. flumioxazin of table
Flumioxazin toxicity test result (table 2) mixed with trifloxysulfuron shows in weight ratio 1:50--50:1 model
In enclosing, after flumioxazin is mixed with trifloxysulfuron, 120 are all larger than to the co-toxicity coefficient of piemarker, there is apparent synergy to make
With.It therefore, is more preferable weight ratio within the scope of 1:30-30:1 in weight ratio preferably within the scope of weight ratio 1:50-50:1
Within the scope of 1:10-10:1, flumioxazin is compounded with trifloxysulfuron with synergistic effect, and synergistic effect is more significant.
The synergy to black nightshade mixed with fluorochloridone of 3. flumioxazin of table
| Flumioxazin | Y=1.9121X+3.2200 | 8.53 | ? | ? |
| Fluorochloridone | Y=2.7993X-0.6401 | 103.48 | ? | ? |
| Propine: fluorine coughs up=1:50 | Y=2.1600X+1.0453 | 67.75 | 125.4 | Synergy |
| Propine: fluorine coughs up=1:30 | Y=2.2630X+1.0967 | 53.07 | 143.5 | Synergy |
| Propine: fluorine coughs up=1:10 | Y=1.8089X+2.2506 | 33.11 | 155.3 | Synergy |
| Propine: fluorine coughs up=1:1 | Y=1.9988X+3.3268 | 6.87 | 229.4 | Synergy |
| Propine: fluorine coughs up=10:1 | Y=1.9821X+3.3565 | 6.75 | 137.9 | Synergy |
| Propine: fluorine coughs up=30:1 | Y=1.9140X+3.4032 | 6.83 | 128.7 | Synergy |
| Propine: fluorine coughs up=50:1 | Y=2.0563X+3.2735 | 6.91 | 125.7 | Synergy |
Flumioxazin toxicity test result (table 3) mixed with fluorochloridone shows in weight ratio 1:50--50:1 range
It is interior, after flumioxazin is mixed with fluorochloridone, 120 are all larger than to the co-toxicity coefficient of black nightshade, there is apparent synergistic effect.Cause
This, in weight ratio 1:50-50:1 range, preferably in weight ratio 1:30-30:1 range, more preferable weight ratio 1:10-10:1 range
Interior, flumioxazin and fluorochloridone Complex synergism are more significant.
Composition field weeding effect
Test is carried out in the main producing region Miao Hua Shihezi of Xinjiang, China, and cotton variety is the new land of Xinjiang general types early 45
Number, plot area 60m2, repeat three times.It is administered after site preparation, then machine overlay film, sowing.45 days investigation weeds after application
Preventive effect, and investigate the safety to cotton.
Preparation field trial in embodiment shows flumioxazin and pyrithiobac-sodium to the preventive effect result (table 4) of weeds
In weight ratio 1:50-50:1 range, preferably within the scope of weight ratio 1:30-30:1 range, more preferable weight ratio 1:10-10:1,
Weed-control effect is significantly improved, degrass spectrum is expanded, there is preferable practical value.
Preparation field trial in embodiment shows flumioxazin and trifluoro pyridine sulphur to the preventive effect result (table 5) of weeds
It is grand in weight ratio 1:50-50:1 range, preferably in weight ratio 1:30-30:1 range, more preferable weight ratio 1:10-10:1 range
It is interior, Weed-control effect is significantly improved, degrass spectrum is expanded, there is preferable practical value.
4. flumioxazin of table compounds the preventive effect to weeds with pyrithiobac-sodium
5. flumioxazin of table compounds the preventive effect to weeds with trifloxysulfuron
Preparation field trial in embodiment shows flumioxazin and fluorochloridone to the preventive effect result (table 6) of weeds
In weight ratio 1:50-0:1 range, preferably within the scope of weight ratio 1:30-30:1 range, more preferable weight ratio 1:10-10:1,
Weed-control effect is significantly improved, degrass spectrum is expanded, there is preferable practical value.
6. flumioxazin of table compounds the preventive effect to weeds with fluorochloridone
Flumioxazin provided by the invention is compounded with pyrithiobac-sodium, trifloxysulfuron or fluorochloridone has apparent increase
Effect effect, and degrass spectrum is significantly expanded, control efficiency is better than single dose kind.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and modify, these improvement and modification
Should be regarded as protection scope of the present invention, the above is a preferred embodiment of the present invention, it is noted that for the art
Those of ordinary skill for, without departing from the principles of the present invention, can also make several improvements and retouch, this
A little improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of weeding in cotton field agent composition containing flumioxazin, it is characterised in that: effective component is made of A and B, is had
Effect ingredient A is flumioxazin, and effective component B is pyrithiobac-sodium or its organic salt or inorganic salts or ester, trifloxysulfuron or its
The weight ratio of organic salt or inorganic salts or fluorochloridone, effective constituents A and effective component B are 50:1-1:50；
Wherein, the pyrithiobac-sodium is the chloro- 6- of 2- (4,6- dimethoxypyridin -2- base sulfenyl) benzoic acid, the pyrithiobac-sodium
Organic salt be the chloro- 6- of 2- (4,6- dimethoxypyridin -2- base sulfenyl) benzoic acid ethanolamine salt, triisopropanolamine salt, three
Ethylamine salt or dimethylamine salt, the inorganic salts of the pyrithiobac-sodium are the chloro- 6- of 2- (4,6- dimethoxypyridin -2- base sulfenyl) benzene first
Sylvite, sodium salt or the ammonium salt of acid, the ester of the pyrithiobac-sodium are the chloro- 6- of 2- (4,6- dimethoxypyridin -2- base sulfenyl) benzene first
Methyl esters, butyl ester, monooctyl ester or the different monooctyl ester of acid；
The trifloxysulfuron is 1- (4,6- dimethoxypyridin -2- base) -3- [3- (2,2,2- trifluoro ethoxy) -2- pyridine
Sulfonyl)] urea, the organic salt of the trifloxysulfuron is 1- (4,6- dimethoxypyridin -2- base) -3- [3- (2,2,2- trifluoros
Ethyoxyl) -2- pyridine sulfonyl sulfonyl base)] ethanolamine salt, triisopropanolamine salt, triethylamine salt or the dimethylamine salt of urea, the trifluoro pyridine
The grand inorganic salts of sulphur are 1- (4,6- dimethoxypyridin -2- base) -3- [3- (2,2,2- trifluoro ethoxy) -2- pyridine sulfonyl sulfonyl
Base)] sylvite, sodium salt or the ammonium salt of urea.
2. the weeding in cotton field agent composition containing flumioxazin as described in claim 1, it is characterised in that: described effective
The weight ratio of ingredient A and effective component B is 30:1-1:30.
3. the weeding in cotton field agent composition containing flumioxazin as claimed in claim 2, it is characterised in that: described effective
The weight ratio of ingredient A and effective component B is 10:1-1:10.
4. the weeding in cotton field agent composition containing flumioxazin as described in claim 1, which is characterized in that the weeding
Active component weight percentage in composition is 0.5-95.0%.
5. the weeding in cotton field agent composition containing flumioxazin as claimed in claim 4, which is characterized in that the weeding
Also contain auxiliary ingredients for pesticide preparations in agent composition, the dosage form for being suitble to agriculturally use is made.
6. the weeding in cotton field agent composition containing flumioxazin as claimed in claim 5, which is characterized in that the pesticide
Preparation auxiliary element is one or more of solvent, emulsifier, dispersing agent, stabilizer, antifreezing agent or wetting agent.
7. the weeding in cotton field agent composition containing flumioxazin as claimed in claim 5, which is characterized in that the weeding
The dosage form of agent composition is missible oil, aqua, emulsifiable concentrate, microemulsion, wettable powder, aqueous suspension agent, oil-suspending agent, water dispersion
Granula or soluble powder/granula.
8. the application of any weeding in cotton field agent composition containing flumioxazin of claim 1-4, feature exist
In for preventing and kill off annual and perennial broadleaf weeds, gramineae weed and sedge weed in Cotton Fields.
9. the application of the weeding in cotton field agent composition containing flumioxazin as claimed in claim 8, which is characterized in that institute
Stating weeds is black nightshade, field bindweed, piemarker, Chenopodiaceae, Amaranthus retroflexus, ivy glorybind, acalypha copperleaf, purslane, Siberian cocklebur, Veronica, Herba Galii Teneri, ox
Muscle grass, the rhizome of nutgrass flatsedge.
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| CN111528029A (en) * | 2020-05-07 | 2020-08-14 | 新疆生产建设兵团农业技术推广总站 | Method for preventing and removing broadleaf weeds in cotton field by applying pesticide through drip irrigation system |
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| CN101528041A (en) * | 2006-10-27 | 2009-09-09 | 先正达参股股份有限公司 | A herbicidal combination |
| CN105494405A (en) * | 2015-12-19 | 2016-04-20 | 青岛奥迪斯生物科技有限公司 | Herbicide composition containing flucarbazone sodium and flumioxazin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101528041A (en) * | 2006-10-27 | 2009-09-09 | 先正达参股股份有限公司 | A herbicidal combination |
| CN105494405A (en) * | 2015-12-19 | 2016-04-20 | 青岛奥迪斯生物科技有限公司 | Herbicide composition containing flucarbazone sodium and flumioxazin |
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