CN107660552A - A kind of Herbicidal combinations - Google Patents

A kind of Herbicidal combinations Download PDF

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Publication number
CN107660552A
CN107660552A CN201610599165.4A CN201610599165A CN107660552A CN 107660552 A CN107660552 A CN 107660552A CN 201610599165 A CN201610599165 A CN 201610599165A CN 107660552 A CN107660552 A CN 107660552A
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China
Prior art keywords
acetochlor
flucetosulfuron
herbicidal combinations
weed
active ingredient
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Pending
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CN201610599165.4A
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Chinese (zh)
Inventor
葛尧伦
吕文东
刘晓晨
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Hailir Pesticides and Chemicals Group Co Ltd
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Hailir Pesticides and Chemicals Group Co Ltd
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Priority to CN201610599165.4A priority Critical patent/CN107660552A/en
Publication of CN107660552A publication Critical patent/CN107660552A/en
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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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/26—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof containing the group; Thio analogues thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A kind of Herbicidal combinations, the mass ratio of active ingredient flucetosulfuron and Acetochlor is 1~50: 50~1 in the Herbicidal combinations, active ingredient flucetosulfuron accounts for the 1%~80% of the whole quality of the pharmaceutical preparations with the gross mass of Acetochlor in the formulation in preparation, remaining is the auxiliary element for allowing to use and receiving in agricultural chemicals, and the formulation of the Herbicidal combinations is missible oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.It is mainly used in preventing and kill off the broad leaved weed, annual gramineous weed and part broadleaf weed of crops.

Description

A kind of Herbicidal combinations
Technical field
The present invention relates to technical field of pesticide combination, more particularly to a kind of weeding group containing flucetosulfuron and Acetochlor Compound.
Background technology
Flucetosulfuron is a kind of sulfonylurea herbicide developed by LG Corp of South Korea life science Co., Ltd, can For transplanting and direct seading rice field, barnyard grass, broad-leaved and sedge weed can be effectively prevented and kill off for soil or cauline leaf process.
Acetochlor is selective bud pre-treatment herbicide, mainly passes through monocotyledonous plumule or dicotyledon Hypocotyl absorbs, and is conducted upwards after absorption, mainly by hindering protein synthesis to suppress cell growth, makes weed bud, children Root growth stops, and then dead.The ability that grassy weed absorbs Acetochlor is stronger than broad leaved weed, so preventing and kill off grassy weed Effect be better than broad leaved weed.45 days or so lasting period of the Acetochlor in soil, mainly by microbial degradation, in soil Mobility it is small, be primarily retained in 0-3 cm layer of soil.
Rational chemical herbicide compounding or mixture, which have, expands herbicidal spectrum, improves prevention effect, extends the optimum period for applying fertilizer, subtracts Few dosage, poisoning is reduced, reduces residual, delays positive feature, mixture of herbicides or the mixtures such as drug-fast generation and development It is one of maximally efficient method to solve the above problems.We screen with the basis of field test indoors, filter out fluorine Pyrrole sulphur is grand to be compounded with Acetochlor, has obvious synergistic effect.And on flucetosulfuron and the Herbicidal combinations of Acetochlor compounding And application there is no people to report at present.
The content of the invention
Based on case above, present invention aims at provide a kind of new and effective agricultural chemicals Herbicidal combinations.It is mainly used in Prevent and kill off the broad leaved weed, annual gramineous weed and part broadleaf weed of crops.
Technical scheme of the present invention is realized by following measures：
A kind of Herbicidal combinations, the mass ratio of active ingredient flucetosulfuron and Acetochlor is 1~50 in the Herbicidal combinations: 50~1, described Herbicidal combinations of the present invention are through toxicity test experimental verification, and the mass ratio of flucetosulfuron and Acetochlor is 1 When~20: 20~1, synergistic effect is preferable.
The formulations of pesticide that described Herbicidal combinations of the present invention can be prepared are missible oil, suspending agent, wettable powder, moisture Shot agent, aqueous emulsion, microemulsion, granule, microcapsule formulations.Flucetosulfuron accounts for whole system with the gross mass of Acetochlor in the formulation The 1%~80% of agent quality, wherein when accounting for 5%~50%, toxicity and residual reach preferable balance, and cost is relatively low.
The specific embodiment for the formulations of pesticide that Herbicidal combinations of the present invention are configured to is as follows：
Described Herbicidal combinations are cream preparation, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1~ 50 parts；10~30 parts of conventional emulsifier；20~50 parts of Conventional solvents；Conventional 1~5 part of synergist.The specific life of the cream preparation Production step for first by active ingredient flucetosulfuron and Acetochlor addition solvent in be completely dissolved after add emulsifying agent, synergist stirs It is filling, you can the cream preparation of the present composition is made into the oily liquids of transparent and homogeneous after mixing uniformly.
Described Herbicidal combinations are suspending agent, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1~50 Part；5~20 parts of dispersant；1~5 part of antifreezing agent；0.1~2 part of thickener；0.1~0.8 part of defoamer；0~10 part of penetrating agent； 0.1~5 part of pH value regulator；Water, surplus.The specific production stage of the suspending agent is first mixes other auxiliary agents, through cutting at a high speed Cut it is well mixed, add effectively into flucetosulfuron and Acetochlor, abrading-ball 2~3 hours in ball crusher, make a diameter in 5mm Below, you can the aqueous suspension formulations of the present composition are made.
Described Herbicidal combinations are wettable powders, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1 ~50 parts；3~10 parts of dispersant；1~5 part of wetting agent；Filler, surplus.The specific production stage of the wettable powder is：By upper State formula to mix active ingredient flucetosulfuron with Acetochlor and dispersant, wetting agent and filler, uniformly stirred in stirred tank Mix, well mixed after airslide disintegrating mill, you can the wettable powder of the present composition is made.
Described Herbicidal combinations are water dispersible granules, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1 ~50 parts；3~10 parts of dispersant；1~10 part of wetting agent；1~5 part of disintegrant；Filler surplus.The specific life of the water dispersible granules Producing step is：Active ingredient flucetosulfuron and Acetochlor and dispersant, wetting agent, disintegrant and filler are mixed by above-mentioned formula Close uniformly, crushed with micro jet, through mediating, then add in fluidized-bed granulation dryer and be granulated, dry, sieve Through sampling analysis after point, you can the water dispersible granules of the present composition are made.
Described Herbicidal combinations are aqueous emulsion, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1~50 Part；3~30 parts of emulsifying agent；5~15 parts of solvent；2~15 parts of stabilizer；1~5 part of antifreezing agent；0.1~8 part of defoamer；Thickener 0.2~2 part；Water, surplus.The specific production stage of the aqueous emulsion is：First by flucetosulfuron and Acetochlor, solvent and emulsification Agent, cosolvent are added together, and make to be dissolved into uniform oil phase；Other agricultural chemicals such as part water, antifreeze, antimicrobial are helped Agent mixes into uniform aqueous phase；Oil phase is added into aqueous phase while high-speed stirred in a kettle, slowly plus water until Reach phase inversion point, open cutter and carry out high speed shear, and add remaining water, shearing about half an hour, form oil-in-water type Aqueous emulsion, you can the aqueous emulsion of the present composition is made.
Described Herbicidal combinations are microemulsion, and the mass fraction of component is 1~50 part of flucetosulfuron；Acetochlor 1~50 Part；10~30 parts of emulsifying agent, 1~8 part of antifreezing agent, 0.5~10 part of stabilizer, 20~50 parts of Conventional solvents cosolvent.By fluorine pyrrole Sulphur is grand to be completely dissolved with Acetochlor with cosolvent, adds the other compositions such as emulsifying agent, antifreezing agent stabilizer, uniformly mixing, most After add water, microemulsion can be made into after being sufficiently stirred.
Described Herbicidal combinations are granule, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1~50 Part；1~10 part of wetting dispersing agent；0.1~5 part of thickener；0.1~5 part of defoamer；Castor oil, surplus are supplied.By active ingredient The each component such as flucetosulfuron and Acetochlor, dispersant, stabilizer, defoamer and solvent is mixed in the ratio of formula, is put into sand milling After being ground in kettle, it is sent into mixing in mixer for well-distribution and gets product.
Described Herbicidal combinations are microcapsule formulations, and the mass fraction of component is：1~50 part of flucetosulfuron；Acetochlor 1~ 50 parts；5~20 parts of urea；5~20 parts of formaldehyde；5~20 parts of emulsifying dispersant；1~5 part of antifreezing agent；0.1~2 part of thickener；Disappear 0.1~0.8 part of infusion；Water, surplus.(the amount ratio of material is about for addition urea and formaldehyde in the three-necked flask equipped with agitating device For l：1.5~2.0) pH value of solution, is adjusted with sodium hydroxide solution to 8~9 or so, then heats to 70~80 DEG C, reaction The urea resin prepolymer stablized.Take a certain amount of flucetosulfuron to be dissolved in Acetochlor in hexamethylene, and add in the solution Enter emulsifying dispersant, with being stirred vigorously, be made into the O/W type stable emulsions using the aqueous solution containing emulsifying dispersant as aqueous phase.Will Above-mentioned urea resin prepolymer is added in emulsion, adjusts pH value, polymerisation occurs under acid catalysed conditions, makes oil phase substance It is wrapped, forms microcapsule granule.Slowly heating, solidification, temperature control is at 40~50 DEG C, hardening time 1h.Selection adds Enter appropriate auxiliary agent, you can the microcapsule suspending agent that must stablize.
Wherein above-described emulsifying agent is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkyl phenol polyoxy Ethene ether sulfosuccinates, styrylphenol polyoxyethylene ether, NPE, castor oil polyoxyethylene ether, Any one of aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methanol, ethanol, n-butanol, isopropanol, rosin-based Vegetable oil code name is ND-45, solvent naphtha, dimethylformamide, dimethyl sulfoxide (DMSO), and the one or more in water equal solvent are appointed Anticipate than the mixture of composition.
Described dispersant is LG-3, GY-D1252, GY-D1256, SNWGF-01 selected from polycarboxylate code name, lignin Sulfonate code name is 201107,21108, APES methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulphur Sour formaldehyde condensation products sodium salt, APES, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, glycerin fatty One or more of acid ester polyoxyethylene ether.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistens bleeding agent F, Alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, the one or more in spaonin powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, in sodium acid carbonate It is one or more.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, It is one or more in polyvinyl alcohol.
Described stabilizer is selected from sodium citrate, one kind in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, the one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C10-20Saturated fat acids compound, C8-10Fatty alcohol It is one or more.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, in precipitated calcium carbonate One or more.
Complex weedicide of the present invention using active ingredient as flucetosulfuron and Acetochlor has obvious synergistic effect, delays The drug-fast generation in key, and reduce into production cost and use cost, be mainly used in preventing and kill off the broad leaved weed of crops, 1 year Raw grassy weed and part broadleaf weed.
Embodiment
To make technical scheme, purpose and advantage are more clearly understood, present invention specific examples below Illustrate, but the present invention is not limited to these examples.The effect experiment of the present invention uses indoor biometricses and field test phase With reference to mode, unless otherwise instructed, ratio mentioned below is all quality parts ratio.
Embodiment：Flucetosulfuron is tested with Acetochlor different ratio co-toxicity.
1.1 reagent agent：
96% flucetosulfuron active compound, 96% acetochlor tc, above-mentioned active compound is by the extra large limited public affairs of rel medicine company share Research and development department is taken charge of to provide.
1.2 experiment targets：
Moleplant seed.
1.3 experimental procedure：
Using potted plant cauline leaf process method (NY/T1155.4-2006):It is built-in quantitative in high 6 ㎝, the ㎝ of diameter 9 polypots Soil, it will be placed in greenhouse and cultivate after fine earth thick lid 0.5-1 ㎝ for examination target weeds seed 15-20 grains sowing in polypots, Treat that weeds were grown to the 2-4 leaf phases and carry out cauline leaf spraying treatment, per alms bowl hydrojet 1mL, often processing is repeated 4 times, and sets the place without medicament Manage as control.Examination is just placed in culture in the greenhouse in after processing, the growing state of routine observation target weeds, after 15d range estimation target by Evil symptom and growth inhibition situation, and claim aerial part fresh weight or strain fresh weight, medicament is evaluated to target with form fresh weight inhibition The toxicity action of weeds.
1.4 control time：
Target damage symptoms and growth inhibition situation are estimated after test process 15d, and claims aerial part fresh weight.
1.5 data statistics and analysis：
According to investigation statisticses, fresh weight inhibition (%) is calculated.
Fresh weight inhibition P (%)=(control fresh weight-processing fresh weight)/processing fresh weight × 100%.
Synergy evaluation method：
Herbicide mode of application (NY/T1155.7-2006) is evaluated according to Gowing methods, its formula is as follows：
E0=X+Y-XY/100
In formula, X be flucetosulfuron with certain dosage when alone to the fresh weight inhibition of target weeds；
Y be Acetochlor with certain dosage when alone to the fresh weight inhibition of target weeds；
E0To the theoretical value of target weeds fresh weight inhibition for flucetosulfuron and during two kinds of pharmacy mix of Acetochlor；
To the measured value of target weeds fresh weight inhibition when E is flucetosulfuron and two kinds of pharmacy mix of Acetochlor.
Evaluation criterion：Work as E-E0Synergistic effect is expressed as during ＞ 10%, as -10% ＜ E-E0It is expressed as being added during ＜ 10% Effect, works as E-E0Antagonism is expressed as during ＜ -10%.
Toxicity test result of 2.1 flucetosulfurons with two kinds of medicaments of Acetochlor to moleplant seed
Table 1 is the mixing virulence measurement result of flucetosulfuron and two kinds of medicaments of Acetochlor
Virulence test example shows, is 1 in active ingredient flucetosulfuron and Acetochlor ratio:50~50:Shown during 1 dilution Certain synergistic effect, wherein flucetosulfuron are 1 with Acetochlor:20~20:1 synergistic effect is most obvious.Result of the test shows, Flucetosulfuron and Acetochlor Complex synergism are good in room conditions, it is proposed that to suitable proportion 1:20~20:1 or so mixture system Agent carries out further field control effectiveness test, to evaluate its field practical application effect.
3rd, field control effectiveness test
3.1 field control effectiveness test eliminating weed in wheat field
It is moderate to test the humidity at Wheat in Henan Province field proving ground, the consistent middle fertility of soil fertility, experiment, experimental field Main weeds have clearvers, bromegrass etc., and weeding control effect is uniform.Result of the test is as follows：
The pyroxsulam of table 2 and florasulam compounding field efficiency test
Field experiment result shows that phonetic flucetosulfuron Acetochlor is with 1:2 ratios are compounded to wheat paddock grass family, broadleaved herb Preventive effect Deng weeds is preferable, is estimated according to field, and in the range of test dose, plant growth is normal, has no that plant produces medicine Evil and anomaly, it is safe to wheat to illustrate it.
3.2 field control effectiveness tests prevent and kill off paddy field weed
Test site is located at the bridge fore-and-aft gangway village of Fuyang City Fu Chun streets three, and rice varieties are II excellent 084, pH value 7.2, and category is flat Original area, middle fertility, experimental field main weeds have barnyard grass, moleplant seed etc., weeding control effect is uniform.Result of the test is as follows：
The flucetosulfuron of table 3 and Acetochlor compounding field efficiency test
Field experiment result shows that flucetosulfuron Acetochlor is with 1:2 ratios are compounded to rice terrace grass family, broadleaved herb etc. The preventive effect of weeds is preferable, is estimated according to field, and in the range of test dose, plant growth is normal, has no that plant produces poisoning And anomaly, it is safe to rice to illustrate it.
To sum up virulence and field experiment result verification, the Herbicidal combinations of the invention containing flucetosulfuron and Acetochlor are main It is used for the broad leaved weed, annual gramineous weed and part broadleaf weed for preventing and kill off crops, and it is safe to Target crops, Compared with single dose, Herbicidal combinations of the present invention have the mechanism of action unique, there is that dosage is few, and weeding is general more extensively, the lasting period compared with It is long, the obvious advantage such as more environmentally-friendly.So research and development and popularization of the invention have great social effect and environment protection significance.

Claims (4)

  1. A kind of 1. Herbicidal combinations, it is characterised in that：The active ingredient of the Herbicidal combinations is flucetosulfuron and Acetochlor binary Compounding, remaining is auxiliary element, and wherein the mass ratio of active ingredient flucetosulfuron and Acetochlor is 1~50: 50~1.
  2. 2. Herbicidal combinations according to claim 1, it is characterised in that：Flucetosulfuron and the total matter of Acetochlor in the formulation Amount accounts for the 1%~80% of the whole quality of the pharmaceutical preparations.
  3. 3. Herbicidal combinations according to claim 2, it is characterised in that：Flucetosulfuron and the gross weight of Acetochlor in the formulation Amount accounts for the 5%~50% of the whole quality of the pharmaceutical preparations.
  4. 4. according to the Herbicidal combinations described in claim 1 or 2 or 3, it is characterised in that：The agriculture that the Herbicidal combinations can be prepared Pharmaceutically dosage form is missible oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.
CN201610599165.4A 2016-07-27 2016-07-27 A kind of Herbicidal combinations Pending CN107660552A (en)

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CN201610599165.4A CN107660552A (en) 2016-07-27 2016-07-27 A kind of Herbicidal combinations

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Application Number Priority Date Filing Date Title
CN201610599165.4A CN107660552A (en) 2016-07-27 2016-07-27 A kind of Herbicidal combinations

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CN107660552A true CN107660552A (en) 2018-02-06

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Application publication date: 20180206