CN104255750A - Herbicide composition containing pyraclonil and pretilachlor - Google Patents

Herbicide composition containing pyraclonil and pretilachlor Download PDF

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Publication number
CN104255750A
CN104255750A CN201410458494.8A CN201410458494A CN104255750A CN 104255750 A CN104255750 A CN 104255750A CN 201410458494 A CN201410458494 A CN 201410458494A CN 104255750 A CN104255750 A CN 104255750A
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China
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pyraclonil
careless amine
herbicidal combinations
weight
kind
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CN201410458494.8A
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Chinese (zh)
Inventor
张志伟
刘鹏
冷忠国
吴泽伟
朱刚
王礼文
陈佛祥
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广东中迅农科股份有限公司
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Priority to CN201410458494.8A priority Critical patent/CN104255750A/en
Publication of CN104255750A publication Critical patent/CN104255750A/en

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Abstract

The invention discloses a herbicide composition containing pyraclonil and pretilachlor. The herbicide composition comprises pesticide adjuvants, pyraclonil and pretilachlor, wherein the ratio of parts by weight of pyraclonil to pretilachlor is (1 to 1)-(1 to 70); the total weight of pyraclonil and pretilachlor is 0.1-85% of the weight of the herbicide composition. The herbicide composition is applicable to controlling annual weeds in paddy fields, has obvious synergistic or additive control effects compared with a single agent, reduces the dosages of pesticides, reduces the pesticide costs, prolongs the service lives of the pesticides and reduces the adverse effects of the pesticides on the ecological environment.

Description

Herbicidal combinations containing pyraclonil and the third careless amine

Technical field

The present invention relates to agricultural chemicals Herbicidal combinations and application thereof, specifically a kind of Herbicidal combinations that is active ingredient with pyraclonil and the third careless amine, is mainly used in the control of paddy field annual weed.

Background technology

Pyraclonil belongs to novel double pyrazole class herbicide for paddy field, and the mechanism of action is the inhibitor of proporphyrinogen oxidase, is a kind of contact killing type weed killer herbicide.Can effectively prevent and kill off all kinds of weeds, comprise barnyard grass, difformed galingale herb, pasture and water, arrowhead, Monochoria korsakowii, dichotomous fimbristylis herb, wild water chestnut, Monochoria vaginalis etc. and sulfonylurea herbicide is had to the weeds of resistance.

Third careless amine belongs to acetamide-group herbicides, and the mechanism of action is cell division inhibitor.Be applicable to paddy field and prevent and kill off annual gramineous weed and the broad leaved weeds such as barnyard grass, bare headed barnyard grass, moleplant seed, eleusine indica, needle spikesedge herb, alisma canaliculatum, water three-coloured amaranth, difformed galingale herb, cyperus iria, false loosestrife, Monochoria vaginalis.

By the screening of different pesticide species compounded formula, filter out rational formula, effectively can improve the actual control efficiency to disease pest and weed, expanding prevention is composed, reduce dosage, reduce costs, alleviate the pollution to environment, delaying the drug-fast generation of disease pest and weed, is the important means of the agriculturally disease pest and weed comprehensive regulation.

The composite use of the present inventor to pyraclonil and the third careless amine conducts in-depth research, a large amount of formula indoors screening and field medicine effect test basis on, find that pyraclonil and the third careless amine carry out composite, within the scope of certain compound proportion, obvious synergistic function is shown to paddy field annual weed, after further study, the present invention is completed.

Not yet find at present pyraclonil and the composite relevant report of the third careless amine.

Summary of the invention

The object of the present invention is to provide a kind of Herbicidal combinations that there is synergistic function, expand the paddy field that herbicide is composed, use cost is low, control efficiency is good.

Technical scheme of the present invention is: for achieving the above object, the invention provides a kind of Herbicidal combinations, be made up of active ingredient pyraclonil and the third careless amine and suitable insecticides adjuvant, the ratio of weight and number of pyraclonil and the third careless amine is 1:1-1:70, preferred weight portion rate is 1:3-1:60, pyraclonil and the percentage by weight of the third careless amine weight summation in Herbicidal combinations are 0.1%-85%, and all the other are allow in agricultural chemicals to use and acceptable insecticides adjuvant.

Described Herbicidal combinations according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as oil-suspending agent, granule, wetting powder, water dispersible granules, effervescent tablet, aqueous emulsion and film-spreading oil solution.

Described Herbicidal combinations is also containing the auxiliary agent of preparation needed for pesticidal preparations, comprise the mixing of one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, deionized water etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.

The production technology of the various application forms of Herbicidal combinations provided by the invention all belongs to existing known technology, does not repeat them here.

Herbicidal combinations provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.

Compared with prior art, the invention has the advantages that:

1, pyraclonil and the third careless amine compositely have synergistic function, are used alone the control efficiency significantly improved weeds than single dose, expand herbicide spectrum.

2, pyraclonil and the third careless amine two kinds of active ingredients composite, the mechanism of action is different, can delay the generation of herbicide resistance.

3, pyraclonil and the third careless amine two kinds of active ingredients composite, decrease Pesticide use amount, reduce use cost, alleviate pollution to environment.

Embodiment

In order to understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described further; but can not limitation of the present invention be considered as; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.

(1) Formulation Example.

In following each embodiment, active ingredient adopts the former medicine of 96% pyraclonil and the 95% the third former medicines of careless amine, and each component percentages is weight percentage.

The careless amine water dispersible granules of embodiment 1:70% pyraclonil third.

The careless amine 60% of pyraclonil 10%, third, lauryl sodium sulfate 5%, alkylphenol polyoxyethylene sulphate 5%, ammonium sulfate 2%, polyethylene glycol 2%, kaolin supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, binding agent and solid carrier are mixed, pulverize with micro jet, through mediating, then adding in fluidized-bed granulation dryer and carrying out granulation, drying, screening, the careless amine water dispersible granules of 70% pyraclonil third can be obtained.

The careless amine water dispersible granules of embodiment 2:80% pyraclonil third.

The careless amine 75% of pyraclonil 5%, third, lauryl sodium sulfate 5%, naphthalenesulfonate formaldehyde condensation compound 5%, urea 2%, polyethylene glycol 2%, diatomite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, binding agent and solid carrier are mixed, pulverize with micro jet, through mediating, then adding in fluidized-bed granulation dryer and carrying out granulation, drying, screening, the careless amine water dispersible granules of 80% pyraclonil third can be obtained.

The careless amine wetting powder of embodiment 3:50% pyraclonil third.

The careless amine 45% of pyraclonil 5%, third, sodium butylnaphthalenesulfonate 10%, alkylphenol polyoxyethylene 10%, diatomite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, the careless amine wetting powder of 50% pyraclonil third can be obtained.

The careless amine wetting powder of embodiment 4:75% pyraclonil third.

Pyraclonil 5%, third careless amine 70%, sodium butylnaphthalenesulfonate 10%, to methoxyl group fatty acyl anilinesulfonic acid 5%, kaolin supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, the careless amine wetting powder of 75% pyraclonil third can be obtained.

The careless amine oil-suspending agent of embodiment 5:20% pyraclonil third.

The careless amine 18% of pyraclonil 2%, third, neopelex 10%, fatty acid ester sulphate 10%, xanthans 2%, methyl oleate supplies 100%.By above-mentioned active ingredient, wetting agent, dispersant, thickener and liquid-carrier after sand milling in high speed shear dispersion, sand mill, the high dispersive formed in non-water-medium, stable suspension system, can obtain the careless amine oil-suspending agent of 20% pyraclonil third.

The careless amine oil-suspending agent of embodiment 6:30% pyraclonil third.

The careless amine 25% of pyraclonil 5%, third, neopelex 10%, alkylphenol polyoxyethylene formaldehyde condensation products 10%, polyvinyl acetate 2%, ethyl oleate supplies 100%.By above-mentioned active ingredient, wetting agent, dispersant, thickener and liquid-carrier after sand milling in high speed shear dispersion, sand mill, the high dispersive formed in non-water-medium, stable suspension system, can obtain the careless amine oil-suspending agent of 30% pyraclonil third.

The careless amine granule of embodiment 7:1% pyraclonil third.

The careless amine 0.9% of pyraclonil 0.1%, third, sodium butylnaphthalenesulfonate 10%, alkylphenol polyoxyethylene 15%, polyvinyl alcohol 20%, kaolin complements to 100%.Above-mentioned active ingredient, wetting agent, dispersant, binding agent and solid carrier are mediated through mixing and water adding, uses pinch-out granulator pinch out and be shaped, afterwards by particle fluid-bed drying, screening, the careless amine granule of 1% pyraclonil third can be obtained.

The careless amine granule of embodiment 8:2% pyraclonil third.

The careless amine 1.8% of pyraclonil 0.2%, third, sodium butylnaphthalenesulfonate 10%, fatty alcohol-polyoxyethylene ether 15%, polyvinylpyrrolidone 20%, clay complements to 100%.Above-mentioned active ingredient, wetting agent, dispersant, binding agent and solid carrier are mediated through mixing and water adding, uses pinch-out granulator pinch out and be shaped, afterwards by particle fluid-bed drying, screening, the careless amine granule of 2% pyraclonil third can be obtained.

The careless amine effervescent tablet of embodiment 9:30% pyraclonil third.

The careless amine 25% of pyraclonil 5%, third, sulfosuccinic monooctyl ester sodium salt 5%, fatty alcohol-polyoxyethylene ether 10%, urea 2%, citric acid 15%, saleratus 15%, calcium stearate 5%, dextrin 2%, kaolin complements to 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, solid acid, carbonate, flowing regulator and solid carrier are fully mixed, then 0.3-5 μm is crushed to the broken machine of low-temperature submicron powder, then the binding agent with water furnishing pasty state is added, tablet press machine film-making is used after stirring, finally by oven dry, whole grain, detect, pack after, the careless amine effervescent tablet of 30% pyraclonil third can be obtained.

The careless amine effervescent tablet of embodiment 10:40% pyraclonil third.

The careless amine 35% of pyraclonil 5%, third, lauryl sodium sulfate 8%, fatty alcohol-polyoxyethylene ether 10%, urea 2%, tartaric acid 15%, saleratus 15%, polysorbate 5%, dextrin 2%, kaolin complements to 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, solid acid, carbonate, flowing regulator and solid carrier are fully mixed, then 0.3-5 μm is crushed to the broken machine of low-temperature submicron powder, then the binding agent with water furnishing pasty state is added, tablet press machine film-making is used after stirring, finally by oven dry, whole grain, detect, pack after, the careless amine effervescent tablet of 40% pyraclonil third can be obtained.

The careless amine aqueous emulsion of embodiment 11:35% pyraclonil third.

The careless amine 30% of pyraclonil 5%, third, polyoxyethylene aliphatic alcohol ether 20%, cyclohexanone 10%, propane diols 2%, silicone oil 0.5%, xanthans 0.2%, deionized water complements to 100%.First by active ingredient, emulsifier, solvent together, dissolving becomes uniform oil phase.Then again part water and antifreezing agent, defoamer, thickener are mixed, dissolve and become uniform aqueous phase.Then aqueous phase is joined oil phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, the careless amine aqueous emulsion of 35% pyraclonil third can be obtained.

The careless amine aqueous emulsion of embodiment 12:45% pyraclonil third.

The careless amine 35% of pyraclonil 10%, third, castor oil polyoxyethylene ether 20%, cyclohexanone 10%, propane diols 2%, silicone oil 0.5%, gum Arabic 0.2%, deionized water complements to 100%.First by active ingredient, emulsifier, solvent together, dissolving becomes uniform oil phase.Then again part water and antifreezing agent, defoamer, thickener are mixed, dissolve and become uniform aqueous phase.Then aqueous phase is joined oil phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, the careless amine aqueous emulsion of 45% pyraclonil third can be obtained.

The careless amine film-spreading oil solution of embodiment 13:15% pyraclonil third.

The careless amine 10% of pyraclonil 5%, third, nitrogen methyl pyrrolidone 15%, alkylphenol polyoxyethylene 10%, Lauryl Alcohol ester 10%, ethyl acetate complements to 100%.After active ingredient solvent is fully dissolved, first add dispersant, finally add film forming agent, be fully uniformly mixed to transparent, the careless amine film-spreading oil solution of 15% pyraclonil third can be obtained.

The careless amine film-spreading oil solution of embodiment 14:25% pyraclonil third.

The careless amine 20% of pyraclonil 5%, third, dimethyl formamide 15%, fatty alcohol-polyoxyethylene ether 10%, Lauryl Alcohol ester 10%, vegetable oil complements to 100%.After active ingredient solvent is fully dissolved, first add dispersant, finally add film forming agent, be fully uniformly mixed to transparent, the careless amine film-spreading oil solution of 25% pyraclonil third can be obtained.

(2) indoor biological determination of activity embodiment.

Reagent agent: the former medicine of 96% pyraclonil and the 95% the third former medicines of careless amine.

For examination target: Monochoria vaginalis (Monochoria vaginalis), barnyard grass (Echinochloa crusgalli), difformed galingale herb (Cyperus difformis).

Medicament configuration design: pyraclonil single dose is configured to 4,12,20g a.i./ha solution for standby; Third careless amine single dose is configured to 60,150,240g a.i./ha solution for standby; Pyraclonil and the third careless amine mixture are configured to 4+60,4+150,4+240,12+60,12+150,12+240,20+60,20+150,20+240g a.i./ha solution for standby.

Test method: at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in polypots, be placed in greenhouse after the fine earth that lid 0.5 ~ 1cm is thick and cultivate, spraying process is carried out after the long rudiment of weeds, every alms bowl spraying liquid 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation, and claim acrial part fresh weight after 20d, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.

Investigation method: estimate target damage symptoms and growth inhibition situation after test process 20d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).

Synergy evaluation method: evaluate weed killer herbicide associated form (NY/T1155.7-2006) according to Gowing method, its formula is as follows:

E 0﹦X﹢Y–XY/100。

In formula, X be pyraclonil alone with certain dosage time fresh weight inhibition to target weeds; Y be the third careless amine alone with certain dosage time fresh weight inhibition to target weeds; E 0for the theoretical value to target weeds fresh weight inhibition when pyraclonil, third careless amine two kinds of pharmacy mix; Measured value to target weeds fresh weight inhibition when E is pyraclonil, third careless amine two kinds of pharmacy mix.

Evaluation criterion: as E – E 0during > 10%, be expressed as synergistic effect; As ﹣ 10%≤E – E 0when≤10%, show as summation action; As E – E 0during <-10%, show as antagonism.

Table 1, each chemicals treatment are to the Toxicity Determination of Monochoria vaginalis.

Table 2, each chemicals treatment are to the Toxicity Determination of barnyard grass.

Table 3, each chemicals treatment are to the Toxicity Determination of difformed galingale herb.

As can be seen from the Toxicity Determination result of table 1, table 2 and table 3, pyraclonil and the third careless amine mixture respectively process the E-E to Monochoria vaginalis, barnyard grass and difformed galingale herb 0(%) value is all greater than 10%, illustrates that three is composite and all has synergistic function to Monochoria vaginalis, barnyard grass and difformed galingale herb.As can be seen here, pyraclonil and the third careless amine mixture have reasonability and feasibility.

(3) field control effectiveness test embodiment.

Experimental field select Monochoria vaginalis, barnyard grass and difformed galingale herb that more paddy field occurs to carry out, establish 4 process altogether, often 3 repetitions are established in process, process 1 is 75% pyraclonil third careless amine wetting powder (5:70), process 2 is 10% pyraclonil wetting powder, process 3 is the 30% the third careless amine missible oil, process 4 is contrast (not dispenser not weeding), within after medicine 30 days, adds up each process number of weeds amount and calculates preventive effect.

Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of paddy field annual weed.

As can be seen from the field test results of table 4, all obviously be higher than each single dose to the preventive effect of the barnyard grass of paddy field, Monochoria vaginalis and difformed galingale herb when within after medicine 30 days, 75% pyraclonil third careless amine wetting powder (5:70) usage amount is 300-375g.a.i./ha to be used alone, in pilot survey process, do not send out it produces poisoning to paddy rice simultaneously.As can be seen here, said composition is worth applying in agricultural production.

Claims (6)

1. one kind contains the Herbicidal combinations of pyraclonil and the third careless amine, active ingredient is pyraclonil and the third careless amine, it is characterized in that: the ratio of weight and number of pyraclonil and the third careless amine is 1:1-1:70, pyraclonil and the percentage by weight of the third careless amine weight summation in Herbicidal combinations are 0.1%-85%.
2. a kind of Herbicidal combinations containing pyraclonil and the third careless amine according to claim 1, is characterized in that: the ratio of weight and number of pyraclonil and the third careless amine is 1:3-1:60.
3. a kind of Herbicidal combinations containing pyraclonil and the third careless amine according to claim 1, is characterized in that: also containing the insecticides adjuvant agriculturally allowing to use in described Herbicidal combinations, to be processed into suitable formulation.
4. a kind of Herbicidal combinations containing pyraclonil and the third careless amine according to claim 1, is characterized in that: its formulation is the one in oil-suspending agent, granule, wetting powder, water dispersible granules, effervescent tablet, aqueous emulsion and film-spreading oil solution.
5. a kind of Herbicidal combinations containing pyraclonil and the third careless amine is preventing and kill off the application on farmland weed according to claim 1.
6. a kind of Herbicidal combinations containing pyraclonil and the third careless amine according to claim 5, is characterized in that: described farmland weed is paddy field annual weed.
CN201410458494.8A 2014-09-10 2014-09-10 Herbicide composition containing pyraclonil and pretilachlor CN104255750A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106577699A (en) * 2016-12-13 2017-04-26 河北博嘉农业有限公司 Ternary herbicidal composition containing pyraclonil and benzobicylon
CN106614664A (en) * 2017-01-23 2017-05-10 河北博嘉农业有限公司 Three-ingredient weeding composition containing pyraclonil
CN106857605A (en) * 2017-01-05 2017-06-20 浙江天丰生物科学有限公司 A kind of Recompounded multielement Herbicidal composition for paddy fields
CN107306977A (en) * 2017-06-23 2017-11-03 浙江天丰生物科学有限公司 A kind of complex herbicidal composition
CN107494558A (en) * 2017-08-04 2017-12-22 安徽圣丰生化有限公司 A kind of herbicide granule containing pretilachlor, pyraclonil and mesotrione
CN107517985A (en) * 2017-08-04 2017-12-29 安徽圣丰生化有限公司 A kind of herbicidal composition
CN107810964A (en) * 2017-03-02 2018-03-20 南京高正农用化工有限公司 A kind of Herbicidal combinations and its application process comprising pyraclonil

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Publication number Priority date Publication date Assignee Title
CN1201370A (en) * 1995-11-15 1998-12-09 赫彻斯特-舍林农业发展有限公司 Synergetic herbicidal mixture
CN103664939A (en) * 2013-12-13 2014-03-26 西安鹏博金属科技有限公司 Synthesis method of pyraclonil
CN103828822A (en) * 2014-02-28 2014-06-04 海利尔药业集团股份有限公司 Weeding composition containing oxaziclomefone and pyraclonil
CN104012548A (en) * 2014-05-07 2014-09-03 广东中迅农科股份有限公司 Weed control composition containing pyraclonil and penoxsulam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1201370A (en) * 1995-11-15 1998-12-09 赫彻斯特-舍林农业发展有限公司 Synergetic herbicidal mixture
CN103664939A (en) * 2013-12-13 2014-03-26 西安鹏博金属科技有限公司 Synthesis method of pyraclonil
CN103828822A (en) * 2014-02-28 2014-06-04 海利尔药业集团股份有限公司 Weeding composition containing oxaziclomefone and pyraclonil
CN104012548A (en) * 2014-05-07 2014-09-03 广东中迅农科股份有限公司 Weed control composition containing pyraclonil and penoxsulam

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106577699A (en) * 2016-12-13 2017-04-26 河北博嘉农业有限公司 Ternary herbicidal composition containing pyraclonil and benzobicylon
CN106857605A (en) * 2017-01-05 2017-06-20 浙江天丰生物科学有限公司 A kind of Recompounded multielement Herbicidal composition for paddy fields
CN106614664A (en) * 2017-01-23 2017-05-10 河北博嘉农业有限公司 Three-ingredient weeding composition containing pyraclonil
CN107810964A (en) * 2017-03-02 2018-03-20 南京高正农用化工有限公司 A kind of Herbicidal combinations and its application process comprising pyraclonil
CN107306977A (en) * 2017-06-23 2017-11-03 浙江天丰生物科学有限公司 A kind of complex herbicidal composition
CN107494558A (en) * 2017-08-04 2017-12-22 安徽圣丰生化有限公司 A kind of herbicide granule containing pretilachlor, pyraclonil and mesotrione
CN107517985A (en) * 2017-08-04 2017-12-29 安徽圣丰生化有限公司 A kind of herbicidal composition

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Application publication date: 20150107