CN105379726A - Weeding composition prepared from pyriminobac-methyl, oxyfluorfen and triafamone - Google Patents
Weeding composition prepared from pyriminobac-methyl, oxyfluorfen and triafamone Download PDFInfo
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- CN105379726A CN105379726A CN201510849283.1A CN201510849283A CN105379726A CN 105379726 A CN105379726 A CN 105379726A CN 201510849283 A CN201510849283 A CN 201510849283A CN 105379726 A CN105379726 A CN 105379726A
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- oxyfluorfen
- kih
- grass amine
- ketone sulphur
- fluorine ketone
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Abstract
The invention discloses a weeding composition prepared from pyriminobac-methyl, oxyfluorfen and triafamone. Effective components of the weeding composition are the pyriminobac-methyl, the oxyfluorfen and the triafamone; the weight ratio of the pyriminobac-methyl to the oxyfluorfen to the triafamone is (1-30):(1-40):(1-20), and the weight percentage of the total weight of the pyriminobac-methyl, the oxyfluorfen and the triafamone to the weight of the weeding composition is 0.5 percent-80 percent. The weeding composition has a remarkable synergistic effect, and is mainly applied to prevention and control of rice field weeds; a weeding effect is obviously improved compared with that by separately using each single agent, a herbicide controlling spectrum is enlarged, meanwhile the usage amount of a pesticide is lowered, pollution to environment is alleviated, generation of drug resistance of the weeds is delayed, and the service life of the pesticide is prolonged.
Description
Technical field
The present invention relates to a kind of agricultural herbicide, active ingredient is KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine, for preventing and kill off paddy field weed.
Background technology
KIH 6127 (pyriminobac-methyl): belong to pyrimidinylthiobenzoate herbicides, it can by the cauline leaf of weeds and root absorption, and conduct to complete stool rapidly, suppress acetolactate synthestase and amino acid whose biosynthesis, thus suppress and hinder the cell division in weeds body, weeds are stopped growing, finally makes weeds albefaction and withered.To barnyard grass in paddy field, there is special efficacy, very safe to paddy rice.
Oxyfluorfen (oxyfluorfen): be contact killing type weed killer herbicide, medicament enters in weeds body mainly through coleoptile, mesocotyl, kills by the young shoot of the weeds of seminal propagation and seedling.This medicament broad weed-killing spectrum, multiple broad leaved weed, sedge weed and grassy weed can be prevented and kill off, as difformed galingale herb, barnyard grass, moleplant seed, needle spikesedge herb, Monochoria vaginalis, water three-coloured amaranth, cyperus iria, sweet wine intestines, dichotomous fimbristylis herb, four leaf duckweeds, false loosestrife, firefly Lin, pondweed, mexicana, short arrowhead, Procumbent Falsepimpernel etc.
Fluorine ketone sulphur grass amine (triafamone): belong to sulfonamides herbicide, can via plant root and Foliage Absorption, (ALS inhibitor) is worked by suppressing acetolactate synthase, to paddy field grassy weed barnyard grass, broad leaved weed Eclipta prostrata, false loosestrife, and sedge weed difformed galingale herb etc. all has good preventive effect.
Chemical method weeding is agriculturally one of Main Means controlling weeds in field.In recent years, because the large area of some weed killer herbicide kinds is used alone, many weeds have been caused to create pesticide resistance; Meanwhile, because grass when weeds in field occurs is complicated, of a great variety mutually, as the mixing such as grassy weed, sedge weed and broad leaved weed occur, the weed killer herbicide of single variety uses and cannot effectively solve the problem, and all can show defect in a certain respect.
By the screening that different mixture of herbicides is filled a prescription, filter out rational formula, effectively can improve the actual control efficiency to weeds, expand herbicide spectrum, reduce dosage, reduce costs, alleviate the pollution to environment, delay the generation of herbicide resistance, extending the Pesticide use life-span, is the important means of the agriculturally weeds comprehensive regulation.
The mixture of the present inventor to KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine conducts in-depth research, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine carry out mixture, within the scope of certain mixed ratio, obvious synergistic effect is shown to paddy field weed, after further study, the present invention is completed.
Mixture and the application of KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine there is no report at present.
Summary of the invention
The object of the present invention is to provide and a kind of there is synergistic function, expand herbicide spectrum, use cost is low, control efficiency is good Herbicidal composition for rice field.
The technical scheme realizing the object of the invention is: a kind of Herbicidal combinations containing KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine, and active ingredient is KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine; The weight ratio of KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine is 1 ~ 30:1 ~ 40:1 ~ 20, more ratio of greater inequality is 5 ~ 15:10 ~ 30:4 ~ 12, the percentage by weight of KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine weight summation in Herbicidal combinations is 0.5% ~ 80%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described auxiliary element comprises solvent, emulsifier, wetting agent, dispersant, antifreezing agent, thickener, disintegrant, binding agent, defoamer, stabilizing agent, bleeding agent, synergist, solid acid, carbonate, flowing regulator, liquid-carrier and solid carrier etc., it is all composition that is conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by simple test according to recipe requirements.
Herbicidal combinations of the present invention can be prepared into and be applicable to the multiple application forms that agriculturally uses, and reasonable formulation has granule, dispersibles oil-suspending agent, suspending agent, microemulsion, wetting powder, water dispersible granules, effervescent tablet and aqueous emulsion.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, is applied to and prevents and kill off paddy field weed.
Herbicidal combinations provided by the invention, usually adopts the method for cauline leaf spraying to use, also can adopt other operation techniques agriculturally applied as required
Compared with prior art, the invention has the advantages that:
1, KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine ternary built, has significant synergistic function, is used alone the control efficiency significantly improved weeds than each single dose, and expands herbicide spectrum.
2, KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine ternary built, the mechanism of action is different, and action site increases, and can delay the generation of herbicide resistance, extends the Pesticide use life-span.
3, KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine ternary built, decreases Pesticide use amount, reduces use cost, alleviates pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these embodiments.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1:47% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine water dispersible granules.
KIH 6127 15%, Oxyfluorfen 20%, fluorine ketone sulphur grass amine 12%, alkylbenzenesulfonate polyoxyethylene triphen be phosphenylic acid salt 10%, flax/polypropylene acid sodium 5%, fatty acid glyceride APEO 10%, succinic acid 2%, hydroxypropyl cellulose 2%, white carbon 5% dimly, and attapulgite supplies 100%.Above-mentioned active component, wetting agent, dispersant, disintegrant, binding agent and solid carrier are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out granulation, drying, screening, 47% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine water dispersible granules can be obtained.
Embodiment 2:75% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine wetting powder.
KIH 6127 20%, Oxyfluorfen 35%, fluorine ketone sulphur grass amine 20%, calcium dodecyl benzene sulfonate 10%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5%, white carbon 5%, diatomite supplies 100%.Above-mentioned active component, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, 75% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine wetting powder can be obtained.
Embodiment 3:20% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine dispersibles oil-suspending agent.
KIH 6127 4%, Oxyfluorfen 10%, fluorine ketone sulphur grass amine 6%, isopropyl naphthalene sulfonate 10%, fatty acid glyceride APEO 5%, alkylnaphthalene sulfonate condensation polymer 10%, polyvinyl alcohol 2%, methyl oleate 5%, epoxidized soybean oil supplies 100%.By above-mentioned active component, 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 20% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine and dispersible oil-suspending agent.
Embodiment 4:40% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine microemulsion.
KIH 6127 15%, Oxyfluorfen 20%, fluorine ketone sulphur grass amine 5%, trimethylbenzene 10%, fatty acid methyl ester 10%, castor oil polyoxyethylene ether 10%, epoxychloropropane 3%, organosilicon 1%, azone 2%, Sodium Benzoate 0.1%, ethylene glycol 2%, deionized water supplies 100%.Active component solvent is dissolved completely, and then add emulsifier, stabilizing agent, bleeding agent, synergist, preservative, antifreezing agent mix, finally add deionized water, after fully stirring, 40% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine microemulsion can be obtained.
Embodiment 5:30% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine effervescent tablet.
KIH 6127 10%, Oxyfluorfen 10%, fluorine ketone sulphur grass amine 10%, sulfosuccinic monooctyl ester sodium salt 5%, alkylphenol polyoxyethylene methyl ether condensation product sulfuric acid 5%, sodium carboxymethyl starch 2%, tartaric acid 15%, sodium carbonate 15%, dolomol 5%, dextrin 2%, kaolin complements to 100%.Above-mentioned active component, wetting agent, dispersant, disintegrant, solid acid, carbonate, flowing regulator, binding agent 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, 30% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine effervescent tablet can be obtained.
Embodiment 6:45% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine aqueous emulsion.
KIH 6127 20%, Oxyfluorfen 20%, fluorine ketone sulphur grass amine 5%, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer 20%, cyclohexanone 10%, methyl naphthalene 5%, propane diols 2%, silicone oil 0.5%, polyvinyl alcohol 0.3%, deionized water complements to 100%.First by active component, 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, 45% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine aqueous emulsion can be obtained.
Embodiment 7:24% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine suspending agent.
KIH 6127 5%, Oxyfluorfen 14%, fluorine ketone sulphur grass amine 5%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 10%, polycarboxylate 10%, isopropyl naphthalene sulfonate 10%, carboxymethyl cellulose 2%, glycerine 2%, silicone oil 0.1%, deionized water supplies 100%.Above-mentioned active component, dispersant, wetting agent, thickener, antifreezing agent, defoamer and deionized water are mixed, sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can obtain 24% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine suspending agent.
Embodiment 8:1% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine granule.
KIH 6127 0.2%, Oxyfluorfen 0.5%, fluorine ketone sulphur grass amine 0.3%, sodium butylnaphthalenesulfonate 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 20%, polyvinyl methyl ethermaleic anhydride 10%, starch 10%, white carbon 10%, diatomite complements to 100%.Above-mentioned active component, wetting agent, dispersant, sustained release agent, binding agent and solid carrier are mediated through mixing and water adding; pinch-out granulator is used to pinch out and be shaped; afterwards by particle fluid-bed drying, screening, 1% KIH 6127 Oxyfluorfen fluorine ketone sulphur grass amine granule can be obtained.
Embodiment 9: indoor biological determination of activity.
Reagent agent: the former medicine of the former medicine of 97% KIH 6127, the former medicine of 97% Oxyfluorfen and 93.6% fluorine ketone sulphur grass amine.
For examination target: Monochoria vaginalis (Monochoriavaginalis), barnyard grass (Echinochloacrusgalli), difformed galingale herb (CyperusdifformisL.).
Medicament configuration design: KIH 6127 single dose is configured to 5,10,15ga.i./ha solution for standby; Oxyfluorfen single dose is configured to 10,20,30ga.i./ha solution for standby; Fluorine ketone sulphur grass amine single dose is configured to 4,8,12ga.i./ha solution for standby; KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine mixture is configured to 5+10+4,5+10+8,5+10+12,5+20+4,5+20+8,5+20+12,5+30+4,5+30+8,5+30+12,10+10+4,10+10+8,10+10+12,10+20+4,10+20+8,10+20+12,10+30+4,10+30+8,10+30+12,15+10+4,15+10+8,15+10+12,15+20+4,15+20+8,15+20+12,15+30+4,15+30+8,15+30+12ga.i./ha solution for standby.
Test method: adopt soil drench (NY/T1155.5-2006): be 0.01m at area
2the in-built quantitative soil of basin alms bowl to 3/4 place of basin alms bowl, then water from the top of basin alms bowl, make soil completely moistening to saturation state.Evenly will sow at basin alms bowl soil surface for examination target weed seed 15 ~ 20, and be placed in greenhouse after the fine earth according to seed size lid 0.5 ~ 2cm and cultivate.After 24h, every basin alms bowl quantitatively waters liquid 10ml, often processes 4 times and repeats, and sets the process not containing medicament as contrasting, and after process, examination material is placed in cultivation in greenhouse, and the growing state of routine observation target weeds, duration of test respectively processes basin alms bowl and remains 1 ~ 2cm water layer.Estimate target damage symptoms and growth inhibition situation after 20d, and claim acrial part fresh weight, evaluate 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 mode of application (NY/T1155.7-2006) according to Colby method, its formula is: E
0=X × Y × Z/100
2, in formula, X be KIH 6127 alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Y be Oxyfluorfen alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Z be fluorine ketone sulphur grass amine alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0for during KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine three kinds of pharmacy mix to target weeds fresh weight inhibition being the theoretical value of the percentage contrasted; E is KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine three kinds of pharmacy mix time be the measured value of percentage of contrast to target weeds fresh weight inhibition.
Evaluation criterion: work as E
0synergistic effect is expressed as, as-10%≤E during-E>10%
0be expressed as summation action during-E≤10%, work as E
0antagonism is expressed as during-E<-10%.
Table 1, each chemicals treatment are to the Toxicity Determination result of Monochoria vaginalis
Table 2, each chemicals treatment are to the Toxicity Determination result of barnyard grass
Table 3, each chemicals treatment are to the Toxicity Determination result of difformed galingale herb
As can be seen from the Toxicity Determination result of table 1, table 2 and table 3, KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine Ternary respectively processes the E to Monochoria vaginalis, barnyard grass and difformed galingale herb
0-E (%) value is all greater than 10%, and more than 20%, illustrate that the composite use of three all has significant synergistic function to Monochoria vaginalis, barnyard grass and difformed galingale herb, especially the synergistic function that combines with 15+20+12 Ternary of KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine is the most remarkable.As can be seen here, KIH 6127, Oxyfluorfen and fluorine ketone sulphur grass amine Ternary has reasonability and feasibility.
Embodiment 10: field control effectiveness test.
Experimental field select paddy field to carry out, often 3 repetitions are established in process, within after medicine 30 days, add up each process number of weeds amount and calculate preventive effect.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of paddy field weed
As can be seen from the field test results of table 4, after medicine, the preventive effect of 30 days each ternary recompounded composites to weeds such as the Monochoria vaginalis of paddy field, short arrowhead, barnyard grass, moleplant seed, difformed galingale herb and firefly Lins is all obviously higher than each single dose and is used alone, and does not find that each ternary recompounded composite produces poisoning to paddy rice in pilot survey process simultaneously.
In sum, the Herbicidal combinations obvious synergy containing KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine of the present invention, compare each single dose be used alone expand herbicide spectrum, improve preventive effect, effectively can prevent and kill off the various weeds of paddy field, to rice safety, be worth applying in agricultural production.
Claims (4)
1. contain a Herbicidal combinations for KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine, it is characterized in that: active ingredient is KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine; The weight ratio of KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine is 1 ~ 30:1 ~ 40:1 ~ 20, and the percentage by weight of KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine weight summation in Herbicidal combinations is 0.5% ~ 80%.
2. a kind of Herbicidal combinations containing KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine according to claim 1, is characterized in that: the weight ratio of KIH 6127, Oxyfluorfen, fluorine ketone sulphur grass amine is 5 ~ 15:10 ~ 30:4 ~ 12.
3. a kind of Herbicidal combinations containing KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine according to claim 1, is characterized in that: its formulation is granule, the one dispersibled in oil-suspending agent, suspending agent, microemulsion, wetting powder, water dispersible granules, effervescent tablet and aqueous emulsion.
4. an a kind of Herbicidal combinations containing KIH 6127 and Oxyfluorfen and fluorine ketone sulphur grass amine according to claim 1 is preventing and kill off the application in paddy field weed.
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Cited By (1)
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| CN106577692A (en) * | 2016-11-01 | 2017-04-26 | 广东中迅农科股份有限公司 | Herbicidal composition containing oxadiargyl, oxyfluorfen and triafamone |
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Application publication date: 20160309 |