CN105230652A - Weed-killing composition containing haloxyfop-P-methyl and glyphosate - Google Patents

Weed-killing composition containing haloxyfop-P-methyl and glyphosate Download PDF

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Publication number
CN105230652A
CN105230652A CN201510731448.5A CN201510731448A CN105230652A CN 105230652 A CN105230652 A CN 105230652A CN 201510731448 A CN201510731448 A CN 201510731448A CN 105230652 A CN105230652 A CN 105230652A
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China
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glyphosate
methyl
haloxyfop
weed
herbicidal combinations
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CN201510731448.5A
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Chinese (zh)
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葛尧伦
白复芹
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海利尔药业集团股份有限公司
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Priority to CN201510731448.5A priority Critical patent/CN105230652A/en
Publication of CN105230652A publication Critical patent/CN105230652A/en

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Abstract

The invention discloses a weed-killing composition containing haloxyfop-P-methyl and glyphosate. In the weed-killing composition, a mass ratio of active ingredients haloxyfop-P-methyl to glyphosate is (1-50) to (50-1); in a preparation, total mass of the active ingredients haloxyfop-P-methyl and glyphosate accounts for 1%-80% of the mass of the whole preparation, and the balance being auxiliary ingredients which are permitted to use and are acceptable in pesticides; and a dosage form of the weed-killing composition is emulsifiable concentrate, a suspending agent, wettable powder, a water dispersible granule, aqueous emulsion, microemulsion, a granule and a microcapsule. The weed-killing composition is wide in herbicide controlling spectrum, and is mainly used for preventing and killing grassy weeds including annual weeds, part of perennial weeds and most of broadleaf weeds in fields of cereal crops such as wheat, barley, rye and the like.

Description

A kind of Herbicidal combinations containing haloxyfop-r-methyl and glyphosate

Technical field

The present invention relates to technical field of pesticide combination, particularly relate to a kind of Herbicidal combinations containing haloxyfop-r-methyl and glyphosate.

Background technology

Can be absorbed by the blade of grassy weed very soon after haloxyfop-r-methyl dispenser, and conduct to whole plant, suppress the growth of plant meristematic tissue, thus kill weeds.The dispenser phase is long, after emerging, all have good preventive effect to the annual of initial stage of tillering, ear and perennial grassy weed.To various broad leaf crop high safety under normal service condition.Excellent herbicidal effect still can be shown under low temperature, drought condition.

Glyphosate mainly hinders the biosynthesis of ArAA, and namely phenyl alanine, tryptophan and tyrosine are by the synthesis of shikimic acid pathway.It has inhibitory action to 5-enol pyruvylshikimate-3-phosphate synthase (EPSP synthase), this enzyme can catalysis shikimic acid-3-phosphoric acid and enolpyruvyl phosphoric acid to the conversion of 5-enol pyruvylshikimate-3-phosphoric acid (EPSP), therefore glyphosate disturbs this biosynthetic enzymatic reaction, causes shikimic acid accumulation in vivo.In addition glyphosate also can suppress the activity of other plant enzyme and animal ferment.The metabolism of glyphosate in higher plant is very slow, and once testing out its metabolite is AminomethylphosphoniAcid Acid and methylamino acetic acid.Just because glyphosate has behavior in service, the slowly degradation property of height and the phytotoxicity of height in plant corpus, determining it is being a desirable weed killer herbicide preventing and kill off perennial weed.

Composite or the mixture of rational chemical herbicide has expansion herbicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delay the actively feature such as drug-fast generation and development, mixture of herbicides or mixture are one of the effective methods the most solved the problem.We are on the basis of lab screening and field trial, filter out haloxyfop-r-methyl and glyphosate is composite, have obvious synergistic effect.And about haloxyfop-r-methyl and the composite Herbicidal combinations of glyphosate and apply and there is no people at present and reported.

Summary of the invention

Based on above situation, the object of the invention is to provide a kind of new and effective agricultural chemicals Herbicidal combinations.Be mainly used in preventing and kill off the grassy weed of cereal crop as wheat, barley, rye field and comprise annual weed and part perennial weed and most of broad leaved weed.

Technical scheme of the present invention is realized by following measures:

A kind of Herbicidal combinations, in this Herbicidal combinations, the mass ratio of active ingredient haloxyfop-r-methyl and glyphosate is 1 ~ 50: 50 ~ 1, described Herbicidal combinations of the present invention is through toxicity test experimental verification, the mass ratio of haloxyfop-r-methyl and glyphosate is 1 ~ 20: 20 ~ 1 time, and synergistic effect is better.

The formulations of pesticide that described Herbicidal combinations of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Haloxyfop-r-methyl and glyphosate gross mass in the formulation accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations, and when wherein accounting for 5% ~ 50%, toxicity reaches good balance with residual, and cost is also lower.

The specific embodiments of the formulations of pesticide that Herbicidal combinations of the present invention is mixed with is as follows:

Described Herbicidal combinations is cream preparation, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Conventional emulsifier 10 ~ 30 parts; Conventional solvents 20 ~ 50 parts; Conventional synergist 1 ~ 5 part.The concrete production stage of this cream preparation be first active ingredient haloxyfop-r-methyl and glyphosate are added dissolve completely in solvent after add emulsifier again, synergist becomes transparent and homogeneous oily liquids after stirring, filling, namely can be made into the cream preparation of the present composition.

Described Herbicidal combinations is suspending agent, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Penetrating agent 0 ~ 10 part; PH value regulator 0.1 ~ 5 part; Water, surplus.The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add and effectively become haloxyfop-r-methyl and glyphosate, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, namely can be made into the aqueous suspension formulations of the present composition.

Described Herbicidal combinations is wetting powder, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; ; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 5 part; Filler, surplus.The concrete production stage of this wetting powder is: mixed with glyphosate and dispersant, wetting agent and filler by active ingredient haloxyfop-r-methyl by above-mentioned formula, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.

Described Herbicidal combinations is water dispersible granules, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 10 part; Disintegrant 1 ~ 5 part; Filler surplus.The concrete production stage of this water dispersible granules is: mixed with glyphosate and dispersant, wetting agent, disintegrant and filler by active ingredient haloxyfop-r-methyl by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and to carry out after granulation, drying, screening, through sample analysis, namely can be made into the water dispersible granules of the present composition.

Described Herbicidal combinations is aqueous emulsion, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Emulsifier 3 ~ 30 parts; Solvent 5 ~ 15 parts; Stabilizing agent 2 ~ 15 parts; Antifreezing agent 1 ~ 5 part; Defoamer 0.1 ~ 8 part; Thickener 0.2 ~ 2 part; Water, surplus.The concrete production stage of this aqueous emulsion is: first haloxyfop-r-methyl and glyphosate, solvent and emulsifier, cosolvent are added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.

Described Herbicidal combinations is microemulsion, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Emulsifier 10 ~ 30 parts, antifreezing agent 1 ~ 8 part, stabilizing agent 0.5 ~ 10 part, Conventional solvents cosolvent 20 ~ 50 parts.Haloxyfop-r-methyl and glyphosate cosolvent are dissolved completely, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.

Described Herbicidal combinations is granule, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; Wetting dispersing agent 1 ~ 10 part; Thickener 0.1 ~ 5 part; Defoamer 0.1 ~ 5 part; Castor oil, surplus is supplied.Each components such as active ingredient haloxyfop-r-methyl and glyphosate, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of filling a prescription, after putting into the grinding of sand milling still, sends into mixing in mixer for well-distribution and get product.

Described Herbicidal combinations is microcapsule formulations, and the mass fraction of component is: haloxyfop-r-methyl 1 ~ 50 part; Glyphosate 1 ~ 50 part; 5 ~ 20 parts, urea; 5 ~ 20 parts, formaldehyde; Emulsifying dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Water, surplus.Urea and formaldehyde (amount of substance ratio is about l:1.5 ~ 2.0) is added in the there-necked flask that agitating device is housed, regulate the pH value of solution to about 8 ~ 9 with sodium hydroxide solution, then be warming up to 70 ~ 80 DEG C, be obtained by reacting stable urea resin prepolymer.Get a certain amount of haloxyfop-r-methyl and glyphosate is dissolved in cyclohexane, and add emulsifying dispersant in the solution, with vigorous stirring, the O/W type stable emulsion that to be made into the aqueous solution containing emulsifying dispersant be aqueous phase.Above-mentioned urea resin prepolymer is added in emulsion, adjust ph, polymerization reaction take place under acid catalysed conditions, oil phase substance is wrapped, form microcapsule granule.Slow intensification, solidification, temperature controls at 40 ~ 50 DEG C, hardening time 1h.Select to add appropriate auxiliary agent, stable microcapsule suspending agent.

Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any one in polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.

Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture of composition.

It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.

Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.

Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.

Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.

Described stabilizing agent is selected from sodium citrate, the one in resorcinol.

Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.

Described defoamer is selected from silicone oil, silicone compound, C 10-20saturated fat acid compounds, C 8-10one or more of fatty alcohol.

Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.

The present invention is that the complex weedicide of haloxyfop-r-methyl and glyphosate has obvious synergistic effect with active ingredient, delay the drug-fast generation in key, and reduce into product cost and use cost, broad weed-killing spectrum, is mainly used in preventing and kill off the grassy weed of cereal crop as wheat, barley, rye field and comprises annual weed and part perennial weed and most of broad leaved weed.

Embodiment

For making technical scheme of the present invention, object and advantage are clearly understood, the following specific embodiment of the present invention is described, but the present invention is not limited to these examples.The mode that effect experimental of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio below mentioned is all ratio of quality and the number of copies.

Embodiment: haloxyfop-r-methyl and glyphosate different ratio co-toxicity are tested.

1.1 reagent agents:

The former medicine of haloxyfop-r-methyl of 96%, the glyphosate technicals of 96%, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.

1.2 test targets:

Moleplant seed.

1.3 experimental procedures:

Adopt potted plant cauline leaf facture (NY/T1155.4-2006): at the in-built quantitative soil of polypots of high 6 ㎝, diameter 9 ㎝, will for the sowing of examination target weed seed 15-20 grain in polypots, be placed in greenhouse after the fine earth that lid 0.5-1 ㎝ is thick and cultivate, treat that weeds grow to the 2-4 leaf phase and carry out cauline leaf spraying process, every alms bowl hydrojet 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination is just placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation after 15d, and claims acrial part fresh weight or strain fresh weight, evaluates medicament to the toxicity action of target weeds with form fresh weight inhibition.

1.4 control times:

Estimate target damage symptoms and growth inhibition situation after test process 15d, and claim acrial part fresh weight.

1.5 data statistics and analysis:

According to investigation statistics, calculate fresh weight inhibition (%).

Fresh weight inhibition P (%)=(contrast fresh weight-process fresh weight)/process fresh weight × 100%.

Synergy evaluation method:

Evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Gowing method, its formula is as follows:

E 0=X+Y-XY/100

In formula, X be haloxyfop-r-methyl alone with certain dosage time fresh weight inhibition to target weeds;

Y be glyphosate alone with certain dosage time fresh weight inhibition to target weeds;

E 0for the theoretical value to target weeds fresh weight inhibition when haloxyfop-r-methyl and glyphosate two kinds of pharmacy mix;

E be haloxyfop-r-methyl and glyphosate two kinds of pharmacy mix time measured value to target weeds fresh weight inhibition.

Evaluation criterion: work as E-E 0synergistic effect is expressed as, as-10% < E-E during > 10% 0be expressed as summation action during < 10%, work as E-E 0antagonism is expressed as during <-10%.

2.1 haloxyfop-r-methyls and glyphosate two kinds of medicaments are to the toxicity test result of moleplant seed

Table 1 be haloxyfop-r-methyl and glyphosate two kinds of medicaments mix virulence measurement result

Virulence test example shows, in active ingredient haloxyfop-r-methyl and glyphosate ratio be 1:50 ~ 50:1 dilute time show certain synergistic effect, wherein haloxyfop-r-methyl and glyphosate are that the synergistic effect of 1:20 ~ 20:1 is the most obvious.Result of the test shows, in room conditions haloxyfop-r-methyl and glyphosate Complex synergism good, advise carrying out further field control effectiveness test to suitable proportion about 1:20 ~ 20:1 mixture preparation, to evaluate its field practical application effect.

3, field control effectiveness test

3.1 field control effectiveness test eliminating weed in wheat fields

Test is in proving ground, Wheat in Henan Province field, and the consistent middle fertility of soil fertility, during test, humidity is moderate, and experimental field main weeds has clearvers, bromegrass etc., and weeding control effect is even.Result of the test is as follows:

Table 2 haloxyfop-r-methyl and the composite field efficiency test of glyphosate

Field experiment result shows, haloxyfop-r-methyl glyphosate is all better with the composite preventive effect to weeds such as wheat paddock grass family, broadleaved herbs of 1:1 ratio, estimate according to field, within the scope of test dose, plant growth is normal, have no plant and produce poisoning and anomaly, illustrate that it is safe to wheat.

To sum up virulence and field experiment result verification, the present invention contains the Herbicidal combinations of haloxyfop-r-methyl and glyphosate, be mainly used in broad leaved weed, the grassy weed of preventing and kill off wheat paddock, and to Target crops safety, compared with single dose, Herbicidal combinations of the present invention has mechanism of action uniqueness, there is consumption few, weeding is general more extensive, and the lasting period is longer, more the obviously advantage such as environmental protection.So research and development of the present invention and popularization have great social effect and environment protection significance.

Claims (4)

1. a Herbicidal combinations, is characterized in that: the active ingredient of this Herbicidal combinations is haloxyfop-r-methyl and glyphosate binary built, and all the other are auxiliary element, and wherein the mass ratio of active ingredient haloxyfop-r-methyl and glyphosate is 1 ~ 50: 50 ~ 1.
2. Herbicidal combinations according to claim 1, is characterized in that: haloxyfop-r-methyl and glyphosate gross mass in the formulation accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations.
3. Herbicidal combinations according to claim 2, is characterized in that: haloxyfop-r-methyl and glyphosate gross weight in the formulation accounts for 5% ~ 50% of the whole quality of the pharmaceutical preparations.
4. the Herbicidal combinations according to claim 1 or 2 or 3, is characterized in that: the formulations of pesticide that this Herbicidal combinations can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.
CN201510731448.5A 2015-10-31 2015-10-31 Weed-killing composition containing haloxyfop-P-methyl and glyphosate CN105230652A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107114400A (en) * 2017-06-29 2017-09-01 广西壮族自治区化工研究院 A kind of herbicidal composition
CN107372589A (en) * 2017-08-25 2017-11-24 陕西上格之路生物科学有限公司 A kind of ternary weeding composition containing glyphosate
CN107372586A (en) * 2017-07-10 2017-11-24 安徽丰乐农化有限责任公司 A kind of bare place complex weedicide containing glyphosate
CN107691469A (en) * 2017-12-05 2018-02-16 登封市绿奥农林科技有限公司 A kind of chemical agent of nonirrigated farmland preventing and treating cogongrass growth
CN108207996A (en) * 2016-12-14 2018-06-29 江苏扬农化工股份有限公司 Oil-suspending agent containing glyphosate and haloxyfop-r-methyl and preparation method thereof
CN108576045A (en) * 2018-06-09 2018-09-28 合肥喜田生物科技有限公司 A kind of mixed herbicide and its application containing glyphosate, florasulam and haloxyfop-r-methyl
CN108902170A (en) * 2018-06-30 2018-11-30 合肥喜田生物科技有限公司 A kind of ternary weeding composition and its application
EP3515192A4 (en) * 2016-09-26 2020-04-29 Upl Ltd A process of controlling weeds

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CN1317933A (en) * 1998-08-13 2001-10-17 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant oil seed rape cultures
CN103125472A (en) * 2013-03-09 2013-06-05 广西大学 Method of preventing gramineous weeds in southeast orpines field

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317933A (en) * 1998-08-13 2001-10-17 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant oil seed rape cultures
CN102217646A (en) * 1998-08-13 2011-10-19 拜尔作物科学股份公司 Herbicides for tolerant or resistant oil seed rape cultures
CN103125472A (en) * 2013-03-09 2013-06-05 广西大学 Method of preventing gramineous weeds in southeast orpines field

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3515192A4 (en) * 2016-09-26 2020-04-29 Upl Ltd A process of controlling weeds
CN108207996A (en) * 2016-12-14 2018-06-29 江苏扬农化工股份有限公司 Oil-suspending agent containing glyphosate and haloxyfop-r-methyl and preparation method thereof
CN107114400A (en) * 2017-06-29 2017-09-01 广西壮族自治区化工研究院 A kind of herbicidal composition
CN107372586A (en) * 2017-07-10 2017-11-24 安徽丰乐农化有限责任公司 A kind of bare place complex weedicide containing glyphosate
CN107372589A (en) * 2017-08-25 2017-11-24 陕西上格之路生物科学有限公司 A kind of ternary weeding composition containing glyphosate
CN107691469A (en) * 2017-12-05 2018-02-16 登封市绿奥农林科技有限公司 A kind of chemical agent of nonirrigated farmland preventing and treating cogongrass growth
CN108576045A (en) * 2018-06-09 2018-09-28 合肥喜田生物科技有限公司 A kind of mixed herbicide and its application containing glyphosate, florasulam and haloxyfop-r-methyl
CN108902170A (en) * 2018-06-30 2018-11-30 合肥喜田生物科技有限公司 A kind of ternary weeding composition and its application

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