CN103340204B - Synergistic herbicide composition - Google Patents
Synergistic herbicide composition Download PDFInfo
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- CN103340204B CN103340204B CN201310300099.2A CN201310300099A CN103340204B CN 103340204 B CN103340204 B CN 103340204B CN 201310300099 A CN201310300099 A CN 201310300099A CN 103340204 B CN103340204 B CN 103340204B
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- synergistic herbicide
- pendimethalin
- oxyfluorfen
- herbicide compositions
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- QFLZLEVZOSYXJU-UHFFFAOYSA-N CCC(CC)Nc(c(NO)cc(C)c1C)c1I Chemical compound CCC(CC)Nc(c(NO)cc(C)c1C)c1I QFLZLEVZOSYXJU-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to a synergistic herbicide composition and an application method thereof and in particular relates to a synergistic herbicide composition which is prepared through ternary combination of pendimethalin, oxyfluorfen and oxadiazon and is applied to corn fields. The synergistic herbicide composition comprises active ingredients including (a) N-(1-ethylpropyl)-2,6-binitro-3,4-dimethylaniline, (b) 2-chloro-4-trifluoromethylphenyl-3'-ethoxy-4'-nitrophenyl ether and (c) 5-tert-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-dioxazoline-2-ketone, wherein the weight ratio of (a) to (b) to (c) is (1-50):(1-50):(1-50). The synergistic herbicide composition has a beneficial effect on controlling weeds in the peanut fields, effectively controls annual grassy and broadleaf weeds in the peanut fields, effectively controls generation of weeds with resistance, and simultaneously can reduce the overall use cost and expand the weed control spectrum.
Description
Technical field
What the present invention relates to is a kind of Synergistic herbicide compositions and application method thereof, particularly relates to a kind ofly to comprise pendimethalin, Oxyfluorfen with Evil humulone composition ternary built, be applied to the Herbicidal combinations of the synergy between corn field.
Background technology
Peanut is main oil crop, is mainly distributed in Asia, Africa and America, and the nations of China and India is the first in the world and the second peanut production big country respectively.The current cultivated area of China more than 290 ten thousand hectares, accounts for 27% of the oil crop gross area.Wherein Henan, Shandong, Hebei, Along North Jiangsu cultivated area are larger.The distribution of China's peanut widely, but mainly concentrates on the provinces such as Shandong, Henan, Hebei, Anhui, accounts for more than 60% of national peanut production amount.
Peanut according to investigations Weed in peanut field has 26 sections more than 70 kinds.Wherein grassy weed accounts for more than 25%, and compositae weeds accounts for about 13%, also has Amaranthaceae, polygonaceae, Chenopodiaceae, Solanaceae etc. in addition.The Field densities such as lady's-grass grass, green foxtail, eleusine indica, barnyard grass, kitchen garden, lamb's-quarters, black nightshade, thrush, Siberian cocklebur, Amaranthus retroflexus, acalypha copperleaf are maximum, and the frequency that lady's-grass grass occurs is 95.3%.Investigate according in Yantai, Shandong and Dezhou district, crop smothering area reaches 94%, and medium above area of causing harm is 80%; The hazard area caused primarily of weeds such as eleusine indica, green amaranth, lady's-grass grass, kitchen garden, field thistle, iron amaranth, the rhizome of nutgrass flatsedge, green foxtail reaches 30%, 26%, 24%, 16%, 12%, 10%, 10%, 6%, 4% respectively.Its frequency of occurrences reaches 80%, 76%, 86%, 80%, 26%, 82%, 28%, 14% respectively.Weeds and peanut fight for nutrient, moisture and air, cause peanut growth bad, and plant is short and small, the jaundice of leaf look, and root system is undeveloped, has a strong impact on the yield and quality of peanut.Peanut Fields is because of the general underproduction 5% to 10% of crop smothering, and serious field can reach 15% to 20%, even more.
Along with the development of agricultural cience and farming techniques, chemical herbicide apply as saving of labor, save time, one of cost-effective strong well stimulation.
Pendimethalin (Pendimethalin) Chinese name namies again the spirit of Pendimethalin, dish grass, execute that field is mended, pendimethalin or weeding are led to; , its chemical name is N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline:
Pendimethalin is a kind of outstanding dry crop selective herbicide, can be widely used in the various crop field weedings such as corn, soybean, peanut, cotton, direct-seeding dry rice, potato, tobacco, vegetables.At present, pendimethalin is the large weed killer herbicide in the world the 3rd, and sales volume is only second to steriland herbicide glyphosate, paraquat, is also the selective herbicide that sales volume is maximum in the world.
Pendimethalin is as being upland field soil process weed killer herbicide before selectivity bud, after bud.Weeds absorb medicament by the young shoot sprouted, and enter the medicament in plant corpus and tubulin binding, suppress the mitosis of plant cell, thus cause weeds dead.Pendimethalin prevents and kill off annual gramineous weed, part broad leaved weed and nutgrass flatsedge.As: barnyard grass, lady's-grass grass, green foxtail, moleplant seed, eleusine indica, kitchen garden, amaranth, lamb's-quarters, piemarker, black nightshade, cyperus iria, difformed galingale herb etc.Broad leaved weed is better than to the preventive effect of grassy weed.
Spring Peanut, every mu of use 33% pendimethalin missible oil 200-300 milliliter, is watered 15-20 kilogram, and behind whole ground, the mixed soil of dispenser, then sows.Peanut, every mu of use 33% pendimethalin missible oil 150-200 milliliter, is watered 15-20 kilogram, and the spraying of after planting 1-2 days table soil, late easy generation poisoning is crossed in dispenser.
Oxyfluorfen (Oxyfluorfen) Chinese name cry again Oxyfluorfen, fluorine if so if so or grass of ceding territory, its chemical name is the chloro-4-trifluoromethyl of 2--3'-ethyoxyl-4'-nitrobenzophenone ether, and its structural formula is:
Oxyfluorfen is before selectivity bud or post-emergence herbicide, being contact killing type weed killer herbicide, playing its activity of weeding when there being light.Enter in plant corpus mainly through coleoptile, mesocotyl, less through root absorption, and have denier upwards to be transported by root to enter leaf portion.
Oxyfluorfen is the fluorine-containing benzene ether-derivative herbicides succeeded in developing by Rhom and Hass of the U.S. in 1975, and its activity of weeding improves 5 ~ 10 times than corresponding nitrofen, is 16.32 times of benthiocarb.The scope of application is wide, broad weed-killing spectrum, and the lasting period is long, and mu consumption is few, active high, can use with multiple mixture of herbicides, expands herbicide spectrum, and raising drug effect is easy to use, both can bud pre-treatment, again can bud post processing, and toxicity is low; Before selectivity bud or post-emergence herbicide.Barnyard grass, sesbania, downy brome, green foxtail, datura, quackgrass, artemisiifolia, thorn chrysanthemum sth. made by twisting, piemarker, charlock unifacial leaf and broad leaved weed is prevented and kill off for using before peanut sprout, after bud.Its very anti-leaching.
Evil humulone (Oxadiazon) Chinese name makes again agriculture think it, and its chemical name is the 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazole quinoline-2-ketone, and its structural formula is:
Before Evil humulone belongs to selectivity bud, post-emergence herbicide.Absorb mainly through weeds young shoot or cauline leaf.Best to the weeds effect of germination period, along with weeds growth drug effect declines, substantially invalid to the weeds grown up.For preventing and kill off multiple annual unifacial leaf and broadleaf weed, be mainly used in paddy field weed-killer, also effective to the peanut, cotton, sugarcane etc. of dry land.Good removing activity can be played under the condition having light.When weeds one germinate, the growth of bud scale is just suppressed, and its tissue rots rapidly, and weeds are dead.Prevent and kill off 1 year raw grass family broad leaved weed such as barnyard grass, moleplant seed, ditch millet, difformed galingale herb, globe daisy alkali grass, Monochoria vaginalis, Sagittaria pygmaea, Drilgrass and Amaranthaceae, Chenopodiaceae, Euphorbiaceae, Oxalidaceae, Convolvulaceae.
Because weed killer herbicide relates to the balance of the effect to weeds and two aspects of the safety to crop in using, technical requirement is high, can not at will use with.The composition composite for pendimethalin of the present invention, Oxyfluorfen He Evil humulone have not been reported.
Summary of the invention
The present invention seeks to solve the problems of the technologies described above, provide a kind of Synergistic herbicide compositions, said composition, by pendimethalin, Oxyfluorfen and Evil humulone are carried out ternary built, makes obtained new compositions achieve gain effect in the control of peanut weeds in field.
The present invention finds through repetition test, above-mentioned containing pendimethalin, Oxyfluorfen He Evil humulone composition composition for suppression undesirable plant growth present obvious gain effect.
An object of the present invention is to provide a kind of Herbicidal combination containing following compositions:
(a) N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline;
The chloro-4-trifluoromethyl of (b) 2--3'-ethyoxyl-4'-nitrobenzophenone ether;
(c) 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazole quinoline-2-ketone.
Synergistic herbicide compositions of the present invention takes following technical scheme to realize:
A kind of Synergistic herbicide compositions, comprises active principle
(a) N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline;
The chloro-4-trifluoromethyl of (b) 2--3'-ethyoxyl-4'-nitrobenzophenone ether;
(a) 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazole quinoline-2-ketone.
Described Synergistic herbicide compositions, wherein, described component (a) is 1-50:1-50:1-50 with (b) and the weight proportion of (c).
Described Synergistic herbicide compositions, wherein, component (a) is 1-20:1-20:1-20 with (b) and the weight proportion of (c).
Described Synergistic herbicide compositions can be mixed with any formulation agriculturally allowed.Preferred wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC.
The present invention also provides a kind of Synergistic herbicide compositions, and the active compound comprising described cooperative effective quantity mixes with at least one preparation technique usual auxiliaries.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprise described Synergistic herbicide compositions is applied to undesirable plant growth place or leaf or stem on.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.
The preferred eleusine indica of described undesirable plant, barnyard grass, lady's-grass, green foxtail, yard grass, moleplant seed and wild oat etc.; Important broad leaved weed has lamb's-quarters, amaranth, clearvers, knotweed, german chamomile, saltbush, datura, chickweed, summer cypress, piemarker and black nightshade etc.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprises and being used under the seed of useful crop plants plant, useful crop plants or other reproductive part of useful crop plants exist by described Synergistic herbicide compositions.Wherein said useful crop plants is peanut.
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistant weed effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show three kinds of type of action: summation action, synergistic effect and antagonism.But be specially which kind of effect, unpredictable, only have and just can be known by great many of experiments.Compound synergic is good formula, owing to significantly improving actual control efficiency, reduces the usage amount of agricultural chemicals, thus has delayed drug-fast generation speed widely, is the important means of comprehensive weeding.
An object of the present invention is to provide a kind of Synergistic herbicide compositions, comprise
(a) N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline (pendimethalin);
The chloro-4-trifluoromethyl of (b) 2--3'-ethyoxyl-4'-nitrobenzophenone ether (Oxyfluorfen);
(c) 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazole quinoline-2-ketone (Evil humulone).
Inventor is by a large amount of screening tests, the different ratio of pendimethalin, Oxyfluorfen, Evil humulone test and effectiveness analysis have been carried out a large amount of, find in certain ratio range, the Herbicidal combinations obtained has gain effect, and is not only the simple addition of three kinds of medicaments.
Above-mentioned three kinds of active components (a): (b): (c) by weight ratio scope is 1-50:1-50:1-50, preferred 1-20:1-20-1:20.
The present invention also provides a kind of Synergistic herbicide compositions, and the active compound comprising described cooperative effective quantity mixes with at least one preparation technique usual auxiliaries.
Described usual auxiliaries is one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, deionized water etc.
The emulsifier being applicable to preparation Synergistic herbicide compositions of the present invention can be anion and/or non-example type emulsifier, such as alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc.The auxiliary agent used in Synergistic herbicide compositions of the present invention comprises liquid-carrier, solid carrier, dispersant, emulsifier, stabilizing agent, antifreezing agent, thickener etc. and other is of value to the known substance that active ingredient is stablized in the formulation and drug effect plays, all various compositions that are conventional in agricultural chemicals or permission use, be not particularly limited, concrete composition and consumption are determined by simple experiment according to recipe requirements.
The dispersant being applicable to preparation Synergistic herbicide compositions of the present invention can be alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, alkylphenol-polyethenoxy based phosphates, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, alkylphenol polyoxyethylene, castor oil ethylene oxide adduct, oxirane-propylene oxide block copolymer, alkylphenol polyoxyethylene formaldehyde condensation is dirty, octylphenol polyethylene oxyethylene group ether sulfate and methylcellulose.Such as sodium lignin sulfonate, calcium lignosulfonate, methyl naphthalene sulfonate formaldehyde condensate, naphthalene sulfonate formaldehyde condensation dirt, methanonaphthalene sodium sulfonate etc.
Other additive, can enumerate when preparation usually with the carboxymethyl cellulose that auxiliary agent form uses, ethylene glycol and propane diols etc.
Synergistic herbicide compositions in the present invention can also contain colouring agent, such as inorganic pigment iron oxide, titanium oxide or Prussian blue; Organic dyestuff alizarin, azo dyes, metal phthalocyanine orchid or kiton colors etc.
The filler being applicable to preparation Synergistic herbicide compositions of the present invention comprises liquid-carrier, comprises aromatic hydrocarbons, aliphatic hydrocarbon.Particularly suitable be polar solvent, as alcohols and their ether and ester.In addition vegetable oil and the molten fiber of methyl is also had.Meanwhile, the mixture of different liquids is also applicable.
The filler being applicable to Synergistic herbicide compositions of the present invention comprises solid carrier, comprises diatomite, Magnesiumaluminumsilicate, atlapulgite, kaolin, clay, gypsum, bentonite, white carbon, precipitated calcium carbonate, lime stone, wood chip, corn starch, soluble starch etc.
Other additive, can enumerate when preparation usually with the carboxymethyl cellulose that auxiliary agent form uses, ethylene glycol and propane diols etc.
Synergistic herbicide compositions in the present invention can also contain colouring agent, such as inorganic pigment iron oxide, titanium oxide or Prussian blue; Organic dyestuff alizarin, azo dyes, metal phthalocyanine orchid or kiton colors etc.
Any conventional form can use composition of the present invention.The blade face Exemplary dosage forms of premix composition is:
GR: granule
WP: wetting powder
WG: water dispersibles granula
SG: soluble granule
SL: soluble concentrate
EC: missible oil
EW: emulsion, aqueous emulsion
ME: microemulsion
SC: suspending agent
CS: microcapsule suspending agent
OD: oil-based suspension
SE: suspension emulsion
The preferred formulation of the present invention can be wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC, ultra low volume liquids.
Synergistic herbicide compositions of the present invention is used with preparation, in preparation containing various known or with industrially be conducive to dispersion various adjuvant and carrier.The selection of preparation and method of application can affect the activity of selected compound, so synergistic composition of the present invention can be used as weed killer herbicide, it demonstrates the synergistic activity of weed control.The same way processing that Synergistic herbicide compositions of the present invention can be processed usually with weed killer herbicide.Compound can or be used or respectively as the parts of three parts of weeding systems and combined administration.
The object of processing uses composition in the place needing control by method easily.Described " place " comprises soil, seed and seedling, and the plant grown.
Above-mentioned preparation can be prepared into the packaging bag containing the weed killer herbicide together with other compositions (thinner, emulsifier, surfactant etc.) of preparation.The preparation of method that preparation also can be mixed by bucket, in bucket mixing method, composition be obtain respectively and combine in the place of grower.
The Synergistic herbicide compositions of the actual employing of the present invention in the known various modes of those skilled in the art, can be used with various concentration.The present composition before by seedling or postemergence application in selecting accordingly.
These preparations can be applied to the region being intended to prevent and treat in a conventional way.Such as, pulvis and fluid composition can be used by agent of dusting, spray boom and manual sprayer and duster.Preparation also can be executed powder by aircraft or spraying or rope band and use.For restriction or control the seed germinateed or the growth of seedling of emerging, pulvis and liquid preparation can be distributed in soil that at least second inch, soil table is dark, or impose on soil by spraying or spreading and show.Preparation also can add in irrigation water to be used.Preparation is made to penetrate in soil with irrigation water like this.Impose on the pulvis of soil table, granule composite or liquid preparation and can be distributed in below soil table by the operation of conventional mode arable land.
The Exemplary dosage forms being applicable to bucket mixing composition is solution, dilution emulsion, suspending agent or its mixing and pulvis.
Usually, bucket mixing composition be with solvent (as water) dilution containing different agricultural chemicals, and one or more premix compositions of optionally auxiliary agent further.
Generally, blade face bucket mixture comprises 0.1-20%, the particularly reactive compound of 0.1-15%, and 99.9%-80%, the particularly solid-state or liquid flux (comprising ratio of solvent as water) of 99.9-85%, wherein auxiliary agent can be based on bucket mixture, the surfactant of content 0-20%, particularly 0.1-15%.
The pre-mixing agent of usual foliage applying comprises 0.1-99.9%, the particularly active compound component of 1-95%, and 99.9-0.1%, the particularly solid-state or liquid flux (comprising if ratio of solvent is as water) of 99-5%, wherein auxiliary agent can be based on pre-mixing agent, the surfactant of content 0-50%, particularly 0.5-40%.
Composition through preparation of the present invention comprises 0.5-99.9%, particularly 1-95%, the advantageously active compound component of 1-50%, and 99.5-0.1%, the particularly solid of 99-5% quality or liquid adjuvants (comprising if solvent is as water), wherein said auxiliary agent (or assistant agent) can be the surfactant of 0-50%, particularly 0.5-40% based on pre-mixing agent quality.
The cooperative effective quantity being applicable to the combination of composition of the present invention can according to condition at that time as changes such as the kinds of weed pressure, time of application, method of application, weather, soil regime, features of terrain, target crop.In practicing, enough provide about 0.10kg/ha-1.00kg/ha, preferably the rate of application of the active component of about 0.25 kg/ha-0.75 kg/ha is suitable.
Term used herein " weed killer herbicide " refers to the compound of control or limiting plant growth.Term " herbicidally effective amount " used refers to that the combination of this compound or these compounds can produce the amount of control or restriction effect.To control or restriction effect refers to and comprises all situations departing from nature and grow, such as: kill, suppress, burn leaf, dwarfing etc." plant " refers to all entity departments of plant, comprising: seed, seedling, sapling, root, stem tuber, stem, handle, Ye Heguo.
The present invention also provides the method for the undesirable plant of a kind of collaborative control, comprise described Synergistic herbicide compositions is applied to undesirable plant growth place or leaf or stem on.Described undesirable plant is grassy weed, broad leaved weed and sedge weed.The preferred eleusine indica of described undesirable plant, barnyard grass, lady's-grass, green foxtail, yard grass, moleplant seed and wild oat etc.; Important broad leaved weed has lamb's-quarters, amaranth, clearvers, knotweed, german chamomile, saltbush, datura, chickweed, summer cypress, piemarker and black nightshade etc.
From the following embodiments can be seen that, Synergistic herbicide compositions of the present invention shows good activity of weeding, and the activity of weeding of single reactive compound is more weak, the activity of combination of the present invention exceed simply adding of each single compound activity and.
When the activity of weeding of active compound exceedes active sum when each reactive compound is used alone, then always there is synergy.
The present invention compared with prior art at least has following obvious advantage and beneficial effect:
1. the invention provides a kind of Synergistic herbicide compositions, three kinds of weed killer herbicides as built agent composition are complementary not enough, herbicidal effect is remarkable, and herbicide spectrum width, can close the weeds do not emerged, the weeds emerged can be prevented and kill off again, both can prevent and kill off grassy weed, and use complex weedicide after the spectrum seedling of broad leaved weed can be prevented and treated again, both ensured the safety when stubble corn, can not succession crop be endangered again, effectively prevent and kill off annual and biennial weeds.
2. the using method of complex weedicide of the present invention, optimum period medication, consumption is few, and preventive effect is high, and reduces expenses for prevention and control, alleviates the pollution to environment, is beneficial to people, animal, the safety of beneficial organism and the maintenance of the ecological balance, meets sustainable development requirement.
3, the present invention contains pendimethalin, Oxyfluorfen with the composition of Evil humulone composition presents obvious gain effect for the undesirable plant growth of suppression.
Embodiment
Example of formulations
Embodiment 1 1% pendimethalin+5% Oxyfluorfen+20% Evil humulone oil-suspending agent
The former medicine 1% of pendimethalin
The former medicine 5% of Oxyfluorfen
The former medicine 20% of Evil humulone
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Soybean oil complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, is prepared into oil-suspending agent.
Embodiment 2 5% pendimethalin+7.5% Oxyfluorfen+15% Evil humulone wetting powder
The former medicine 5% of pendimethalin
The former medicine 7.5% of Oxyfluorfen
The former medicine 15% of Evil humulone
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 3 10% pendimethalin+50% Oxyfluorfen+10% Evil humulone aqueous emulsion
Pendimethalin 10%
Oxyfluorfen 50%
Evil humulone 10%
1-METHYLPYRROLIDONE 25%
Calcium dodecyl benzene sulfonate 5%
Agriculture breast 600# 7%
Water complements to 100%
By adding in aqueous phase after above-mentioned oil phase component mixing, obtain aqueous emulsion.
Embodiment 4 50% pendimethalin+10% Oxyfluorfen+10% Evil humulone water dispersible granules
Pendimethalin 50%
Oxyfluorfen 10%
Evil humulone 10%
Polyvinyl alcohol 4%
Saponin 3%
Methylcellulose 5%
Kaolin complements to 100%
Add a small amount of water extruder grain by after above-mentioned each component co-grinding, dry and obtain water dispersible granules.
Embodiment 5 10% pendimethalin+10% Oxyfluorfen+50% Evil humulone aqueous emulsion
Pendimethalin 10%
Oxyfluorfen 10%
Evil humulone 50%
1-METHYLPYRROLIDONE 25%
Calcium dodecyl benzene sulfonate 5%
Agriculture breast 600# 7%
Water complements to 100%
By adding in aqueous phase after above-mentioned oil phase component mixing, obtain aqueous emulsion.
Embodiment 6 10% pendimethalin+20% Oxyfluorfen+10% Evil humulone suspending agent
Pendimethalin 10%
Oxyfluorfen 20%
Evil humulone 10%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, is prepared into suspending agent.
Embodiment 7 50% pendimethalin+1% Oxyfluorfen+1% Evil humulone aqueous emulsion
Pendimethalin 50%
Oxyfluorfen 1%
Evil humulone 1%
1-METHYLPYRROLIDONE 25%
Calcium dodecyl benzene sulfonate 5%
Agriculture breast 600# 7%
Water complements to 100%
By adding in aqueous phase after above-mentioned oil phase component mixing, obtain aqueous emulsion.
Embodiment 8 14% pendimethalin+7% Oxyfluorfen+28% Evil humulone suspending agent
Pendimethalin 14%
Oxyfluorfen 7%
Evil humulone 28%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, is prepared into suspending agent.
Embodiment 9 10% pendimethalin+3% Oxyfluorfen+30% Evil humulone suspension emulsion
Pendimethalin 10%
Oxyfluorfen 3%
Evil humulone 30%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Ethoxylated castor oil 3%
Bentonite 1%
Aromatic solvent 100 20%
Water complements to 100%
Oxyfluorfen, methyl naphthalene sulfonate formaldehyde condensate are obtained after grinding and/or high speed shear the suspending agent of Oxyfluorfen; Pendimethalin, Evil humulone, aromatic solvent 100, ethoxylated castor oil mixing and stirring are obtained the missible oil of pendimethalin, Evil humulone; The pendimethalin, Evil humulone missible oil obtained is joined in Oxyfluorfen suspending agent, obtains 10% pendimethalin+3% Oxyfluorfen+30% Evil humulone suspension emulsion.
Embodiment 10 1% pendimethalin+1% Oxyfluorfen+5% Evil humulone aqueous emulsion
Oil phase:
Pendimethalin 1%
Oxyfluorfen 1%
Methyl oleate 10%
Ethoxylated castor oil 5%
Aqueous phase:
Evil humulone 50%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
Pendimethalin, Oxyfluorfen, Evil humulone are dissolved in methyl oleate, add ethoxylated castor oil and obtain oil phase; According to formula by the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation, water, mix and obtain aqueous phase; Under agitation oil phase is added aqueous phase and obtain aqueous emulsion.
Embodiment 11 1% pendimethalin+50% Oxyfluorfen+1% Evil humulone water dispersible granules
Pendimethalin 1%
Oxyfluorfen 50%
Evil humulone 1%
Polyvinyl alcohol 4%
Saponin 3%
Methylcellulose 5%
Kaolin complements to 100%
Add a small amount of water extruder grain by after above-mentioned each component co-grinding, dry and obtain water dispersible granules.
Embodiment 12 15% pendimethalin+30% Oxyfluorfen+15% Evil humulone water dispersible granules
Pendimethalin 15%
Oxyfluorfen 30%
Evil humulone 15%
Polyvinyl alcohol 4%
Saponin 3%
Methylcellulose 5%
Kaolin complements to 100%
Add a small amount of water extruder grain by after above-mentioned each component co-grinding, dry and obtain water dispersible granules
Embodiment 13 10% pendimethalin+10% Oxyfluorfen+10% Evil humulone water dispersible granules
Pendimethalin 10%
Oxyfluorfen 10%
Evil humulone 10%
Polyvinyl alcohol 4%
Saponin 3%
Methylcellulose 5%
Kaolin complements to 100%
Add a small amount of water extruder grain by after above-mentioned each component co-grinding, dry and obtain water dispersible granules
Embodiment 14 20% pendimethalin+20% Oxyfluorfen+1% Evil humulone missible oil
Pendimethalin 20%
Oxyfluorfen 20%
Evil humulone 1%
Ethoxylated castor oil 4%
Calcium dodecyl benzene sulfonate 3%
Aromatic solvent 200 complements to 100%
Above-mentioned each component mix and blend is obtained transparent phase.
Embodiment 15 20% pendimethalin+1% Oxyfluorfen+20% Evil humulone suspending agent
Pendimethalin 20%
Oxyfluorfen 1%
Evil humulone 20%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, is prepared into suspending agent.
Embodiment 16 1% pendimethalin+20% Oxyfluorfen+1% Evil humulone suspending agent
Pendimethalin 1%
Oxyfluorfen 20%
Evil humulone 1%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, is prepared into suspending agent.
Embodiment 17 10% pendimethalin+10% Oxyfluorfen+20% Evil humulone ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Evil humulone 20%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Pendimethalin 10%
Oxyfluorfen 10%
Water complements to 100%
By PAPI, the oil phase that pendimethalin, Evil humulone, Solvesso 100 are formed adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated 50
ocatalyst reaction is added 2 hours under C.The microcapsules of pendimethalin+Evil humulone is obtained after cooling.
Atlox 4913, dispersant LFH, defoamer, urea, Oxyfluorfen, water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the pendimethalin+Evil humulone obtained is added in the suspending agent of Oxyfluorfen, stirs and obtain 10% pendimethalin+10% Oxyfluorfen+20% Evil humulone ZC.
Embodiment 18 20% pendimethalin+40% Oxyfluorfen+40% Evil humulone
Pendimethalin 30%
Oxyfluorfen 10%
Evil humulone 60%
Above embodiment proportioning is weight per distribution ratio.
Biological test example
Test: to the controlling experiment of peanut weeds in field
Test method:
Between Peanut Fields, the main weeds occurred have: the weeds etc. such as barnyard grass, lady's-grass grass, green foxtail, moleplant seed, eleusine indica, kitchen garden, piemarker, black nightshade, cyperus iria, difformed galingale herb, sesbania, downy brome, quackgrass, artemisiifolia, thorn chrysanthemum sth. made by twisting, charlock, ditch millet, globe daisy alkali grass, Monochoria vaginalis, Sagittaria pygmaea, Drilgrass and Amaranthaceae, Chenopodiaceae, Euphorbiaceae, Oxalidaceae, Convolvulaceae.
In test, we just select several more difficult weeds removed as subjects below.
Fresh weight preventive effect (%)=[check plot weeds fresh weight-treatment region weeds fresh weight]/[check plot weeds fresh weight] × 100
Test method: test arrangement is on a peanut ground, and soil property is that sand is shouted soil, middle fertility.Experimental field mainly contain grassy weed: lady's-grass, non-irrigated barnyard grass, eleusine indica, moleplant seed; Broad leaved weeds has carp intestines, acalypha copperleaf, Tong fiber crops, kitchen garden, still has the rhizome of nutgrass flatsedge of a small amount of Sha section grass.Dispenser before rear seedling broadcast by peanut, carries out percentage shared by the investigation of weeds radix and various weeds before dispenser.After dispenser, Weed in peanut field fresh weight preventive effect is prevented and kill off in investigation in 60 days.
By finding out in above-mentioned table, Synergistic herbicide compositions provided by the invention is used alone relative to three kinds of chemical substances has obvious gain effect.In addition, also can significantly find out from table, the herbicide spectrum that the herbicide spectrum of the medicament that the present invention prepares is used alone compared with three kinds of chemical substances has obvious reinforcement.
Described Synergistic herbicide compositions provided by the invention is pendimethalin, Oxyfluorfen He the ternary built of Evil humulone, Peanut Fields can be applied to as cauline leaf inorganic agent after closed soil treatment agent and seedling, effectively can control Peanut Fields 1 year grass family and broad leaved weed, be desirable Peanut Fields weed killer herbicide.
Claims (9)
1. a Synergistic herbicide compositions, is characterized in that, comprises active principle
(a) N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline;
The chloro-4-trifluoromethyl of (b) 2--3'-ethyoxyl-4'-nitrobenzophenone ether;
(c) 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazole quinoline-2-ketone;
Described component (a) is 1-50:1-50:1-50 with (b) and the weight proportion of (c).
2. Synergistic herbicide compositions according to claim 1, is characterized in that, described component (a) is 1-20:1-20:1-20 with (b) and the weight proportion of (c).
3. Synergistic herbicide compositions according to claim 1, is characterized in that, the active compound comprising described cooperative effective quantity mixes with at least one preparation technique usual auxiliaries.
4. Synergistic herbicide compositions according to claim 1, is characterized in that, can be mixed with any formulation agriculturally allowed.
5. Synergistic herbicide compositions according to claim 4, is characterized in that, described formulation is wetting powder, missible oil, suspending agent, oil-suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ZC.
6. a method for the undesirable plant of collaborative control, is characterized in that, comprise Synergistic herbicide compositions according to claim 1 is applied to undesirable plant growth place or leaf or stem on.
7. method according to claim 6, is characterized in that, described undesirable plant is grassy weed, broad leaved weed and sedge weed.
8. a method for the undesirable plant of collaborative control, is characterized in that, comprises and being used under the seed of useful crop plants plant, useful crop plants or other reproductive part of useful crop plants exist by Synergistic herbicide compositions according to claim 1.
9. method according to claim 8, is characterized in that, wherein said useful crop plants is peanut.
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| CN106342849A (en) * | 2016-08-26 | 2017-01-25 | 佛山市盈辉作物科学有限公司 | Herbicide composition containing pendimethalin and oxadiazon |
| CN108902142A (en) * | 2018-08-08 | 2018-11-30 | 许昌市建安区昌盛日化实业有限公司 | A kind of Herbicidal combinations and nursery hedgerow herbicides special |
| CN111820215A (en) * | 2019-04-17 | 2020-10-27 | 江苏龙灯化学有限公司 | Method for controlling undesired plants in cotton field |
| CN111972415A (en) * | 2019-05-21 | 2020-11-24 | 江苏龙灯化学有限公司 | Weeding composition containing microcapsules and preparation method and application thereof |
| CN111972422B (en) * | 2019-05-21 | 2022-10-25 | 江苏龙灯化学有限公司 | Weeding composition containing microcapsules and preparation method and application thereof |
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