CN105265450A - Weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon - Google Patents
Weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon Download PDFInfo
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- CN105265450A CN105265450A CN201510746637.XA CN201510746637A CN105265450A CN 105265450 A CN105265450 A CN 105265450A CN 201510746637 A CN201510746637 A CN 201510746637A CN 105265450 A CN105265450 A CN 105265450A
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- oxyfluorfen
- kih
- evil humulone
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- pyrithiobac
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Abstract
The invention discloses a weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon. The effective components are the pyrithiobac-sodium, the oxyfluorfen and the oxadiazon. The weight ratio of the pyrithiobac-sodium to the oxyfluorfen to the oxadiazon is 5-15:10-30:40-200. The weeding composition has the remarkable synergistic effect and is applicable to prevention and removal of annual weed in rice paddies. Compared with the using effects of individually used mono-agents, the weeding effect is obviously improved, a weeding spectrum is widened, meanwhile the using amount of pesticides is reduced, environmental pollution is reduced, production of pesticide resistance of weed is delayed, and the service life of the pesticides is prolonged.
Description
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 KIH 6127, Oxyfluorfen He Evil humulone, is mainly used in the control of 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 bodies, 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) is contact killing type weed killer herbicide, and 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.
Evil humulone (oxadiazon) Shu Yu oxadiazole type herbicides, to be one be before selectivity bud, post-emergence herbicide, absorb mainly through weeds young shoot and cauline leaf and work, good removing activity can be played under the condition having light, particularly responsive to budding period weeds, when weeds one germinate, the growth of bud scale is just suppressed, and its tissue rots rapidly, causes weeds dead.Suitable water, dry land use, and prevent and kill off barnyard grass, moleplant seed, ditch millet, difformed galingale herb, Monochoria vaginalis, mexicana, globe daisy alkali grass, Sagittaria pygmaea etc. for rice field; Also can be used for preventing and kill off annual gramineous weed and the broad leaved weeds such as cotton, soybean, sunflower, peanut, potato, sugarcane, celery, fruit tree.
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.
Summary of the invention
The object of the present invention is to provide a kind of there is synergistic function, expand herbicide spectrum, low, the control efficiency of use cost is good containing KIH 6127 and Oxyfluorfen Yi Ji the Herbicidal combinations of Evil humulone.
The technical scheme realizing the object of the invention is: Herbicidal combinations of the present invention is with KIH 6127 and Oxyfluorfen Yi Ji Evil humulone is for active ingredient, and the weight ratio of KIH 6127, Oxyfluorfen, Evil humulone is 5 ~ 15:10 ~ 30:40 ~ 200.
Herbicidal combinations of the present invention is applicable to by selecting suitable pesticidal preparations auxiliary element to be prepared into 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.
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.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Compared with prior art, the invention has the advantages that:
1, KIH 6127, Oxyfluorfen are with Evil humulone ternary built, have significant synergistic function, are used alone the control efficiency significantly improved weeds than each single dose, and expand herbicide spectrum.
2, KIH 6127, Oxyfluorfen are with Evil humulone ternary built, and the mechanism of action is different, and action site increases, and can delay the generation of herbicide resistance, extend the Pesticide use life-span.
3, KIH 6127, Oxyfluorfen are with Evil humulone ternary built, 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.
In following each embodiment, active ingredient adopts the former medicine of 97% KIH 6127, the former medicine of 97% Oxyfluorfen and the former medicine of 95% Evil humulone, and each component percentages is weight percentage.
Embodiment 1:75% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone water dispersible granules.
The acid of KIH 6127 5%, Oxyfluorfen 10%, Evil humulone 60%, neopelex 5%, flax/polypropylene sodium 5%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 5%, bentonite 3%, hydroxypropyl cellulose 2%, 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, 75% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone water dispersible granules can be obtained.
Embodiment 2:80% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone wetting powder.
KIH 6127 5%, Oxyfluorfen 10%, Evil humulone 65%, calcium dodecyl benzene sulfonate 10%, alkylphenol-polyethenoxy base ether formaldehyde condensation products 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, 80% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone wetting powder can be obtained.
Embodiment 3:20% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone dispersibles oil-suspending agent.
The acid of KIH 6127 1.5%, Oxyfluorfen 2.5%, Evil humulone 16%, isopropyl naphthalene sulfonate 10%, flax/polypropylene sodium 5%, alkylnaphthalene sulfonate condensation polymer 10%, xanthans 2%, methylated vegetable 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 Yi oxygen Fu Cao Mi Evil humulone and dispersible oil-suspending agent.
Embodiment 4:40% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone microemulsion.
KIH 6127 2%, Oxyfluorfen 5%, Evil humulone 33%, cyclohexanone 10%, 2-butyl acetate 10%, castor oil polyoxyethylene ether 10%, epoxychloropropane 3%, organosilicon 1%, azone 2%, Sodium Benzoate 0.1%, glycerine 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 Yi oxygen Fu Cao Mi Evil humulone microemulsion can be obtained.
Embodiment 5:30% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone effervescent tablet.
KIH 6127 1.5%, Oxyfluorfen 3.5%, Evil humulone 25%, lauryl sodium sulfate 5%, polycarboxylate 5%, low-substituted hydroxypropyl cellulose 2%, citric 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 Yi oxygen Fu Cao Mi Evil humulone effervescent tablet can be obtained.
Embodiment 6:45% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone aqueous emulsion.
KIH 6127 3%, Oxyfluorfen 6%, Evil humulone 36%, phenethyl phenol polyethenoxy ether 20%, cyclohexanone 10%, trimethylbenzene 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 Yi oxygen Fu Cao Mi Evil humulone aqueous emulsion can be obtained.
Embodiment 7:24% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone suspending agent.
KIH 6127 1.5%, Oxyfluorfen 2.5%, Evil humulone 20%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 10%, ethyoxyl triphenylethylene phenol phosphate 10%, isopropyl naphthalene sulfonate 10%, aluminium-magnesium silicate 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 Yi oxygen Fu Cao Mi Evil humulone suspending agent.
Embodiment 8:10% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone granule.
KIH 6127 0.8%, Oxyfluorfen 1.2%, Evil humulone 8%, sodium butylnaphthalenesulfonate 12%, polyoxyethylene aryl ether 15%, polyvinyl methyl ethermaleic anhydride 2%, hydroxypropyl cellulose 20%, 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, 10% KIH 6127 Yi oxygen Fu Cao Mi Evil humulone granule can be obtained.
Embodiment 9: indoor biological determination of activity.
Reagent agent: the former medicine of 97% KIH 6127, the former medicine of 97% Oxyfluorfen and the former medicine of 95% Evil humulone.
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, Evil humulone single dose is configured to 40,120,200ga.i./ha solution for standby, KIH 6127, Oxyfluorfen is with Evil humulone mixture is configured to 5+10+40, 5+10+120, 5+10+200, 5+20+40, 5+20+120, 5+20+200, 5+30+40, 5+30+120, 5+30+200, 10+10+40, 10+10+120, 10+10+200, 10+20+40, 10+20+120, 10+20+200, 10+30+40, 10+30+120, 10+30+200, 15+10+40, 15+10+120, 15+10+200, 15+20+40, 15+20+120, 15+20+200, 15+30+40, 15+30+120, 15+30+200ga.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 Wei Evil humulone alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0for KIH 6127, Oxyfluorfen He Evil humulone three kinds of pharmacy mix time be the theoretical value of percentage of contrast to target weeds fresh weight inhibition; E is KIH 6127, Oxyfluorfen He Evil humulone 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 Evil humulone Ternary respectively process 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 10+20+120 Ternary of KIH 6127, Oxyfluorfen He Evil humulone is the most remarkable.As can be seen here, KIH 6127, Oxyfluorfen are with Evil humulone 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 to produce poisoning to paddy rice in pilot survey process simultaneously.
In sum, Herbicidal combinations obvious synergy 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 (3)
1. containing KIH 6127 and Oxyfluorfen with and the Herbicidal combinations of Evil humulone, it is characterized in that: active ingredient is KIH 6127, Oxyfluorfen, Evil humulone; The weight ratio of KIH 6127, Oxyfluorfen, Evil humulone is 5 ~ 15:10 ~ 30:40 ~ 200.
2. according to claim 1 a kind of containing KIH 6127 and Oxyfluorfen Yi Ji the Herbicidal combinations of Evil humulone, it 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.
3. according to claim 1 a kind of containing KIH 6127 and Oxyfluorfen Yi Ji the Herbicidal combinations of Evil humulone is preventing and kill off the application in paddy field annual weed.
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| CN201510746637.XA CN105265450A (en) | 2015-11-04 | 2015-11-04 | Weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN104304269A (en) * | 2014-09-15 | 2015-01-28 | 广东中迅农科股份有限公司 | Herbicidal composition for paddy field |
| CN104322511A (en) * | 2014-11-25 | 2015-02-04 | 安徽科立华化工有限公司 | Oxadiargyl and oxyfluorfen-containing compound suspension concentrate and preparation method and applications thereof |
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- 2015-11-04 CN CN201510746637.XA patent/CN105265450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN104304269A (en) * | 2014-09-15 | 2015-01-28 | 广东中迅农科股份有限公司 | Herbicidal composition for paddy field |
| CN104322511A (en) * | 2014-11-25 | 2015-02-04 | 安徽科立华化工有限公司 | Oxadiargyl and oxyfluorfen-containing compound suspension concentrate and preparation method and applications thereof |
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Application publication date: 20160127 |
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