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CN104285975A - Composite herbicide containing fenoxaprop-p-ethyl, fomesafen and bentazone and application of composite herbicide - Google Patents

Composite herbicide containing fenoxaprop-p-ethyl, fomesafen and bentazone and application of composite herbicide Download PDF

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Publication number
CN104285975A
CN104285975A CN201410462623.0A CN201410462623A CN104285975A CN 104285975 A CN104285975 A CN 104285975A CN 201410462623 A CN201410462623 A CN 201410462623A CN 104285975 A CN104285975 A CN 104285975A
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bentazone
fenoxaprop
compound herbicide
herbicide
ether
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CN104285975B (en
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吴宏博
虎彪
金莎莎
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HENAN ZHONG TIAN XIN BIOCHEMICAL TECHNOLOGY Co Ltd
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HENAN ZHONG TIAN XIN BIOCHEMICAL TECHNOLOGY Co Ltd
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Abstract

The invention relates to a composite herbicide containing fenoxaprop-p-ethyl, fomesafen and bentazone and application of the composite herbicide. The composite herbicide comprises the following components: the fenoxaprop-p-ethyl, the fomesafen and the bentazone. The fenoxaprop-p-ethyl, fomesafen and bentazone are mixed according to a proper ratio by an inventor on the basis of a large quantity of special researches; the advantages of three effective components are successfully played to the greatest extent; the defect of negative influence on crops, soil alleviation and the like, caused by conventional compound herbicides, can be effectively overcome.

Description

The compound herbicide of Han fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone and application thereof
Technical field
The present invention relates to weed killer herbicide field, relate to compound herbicide and the application thereof of a kind of Han fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone.
Background technology
Fenoxaprop (fenoxaprop-P-ethyl), molecular formula C 13h 19nO 2s, chemical name: (R)-2-[4-(6-chloro-2-benzoxazole oxygen base) phenoxy group] ethyl propionate.
Eliminating in fenoxaprop active ingredient refining (the R body) of non-active portion (S body), smart (Evil) spirit of (azoles) pasture and water belongs to cauline leaf inorganic agent after selectivity, inner sucting conduction type seedling.Active ingredient is transmitted to the growing point of phyllopodium, internode meristematic tissue, root after being absorbed by cauline leaf, be transformed into rapidly the free acid of phenoxy group, fatty acid is suppressed to carry out biosynthesis, damage weed growth point, meristematic tissue, effect rapidly, stops growing in 2-3 days after dispenser, 5-7 days lobus cardiacus chlorosis purpling looks, meristematic tissue browning, base portion necrosis of then tillering, blade purpling is withered gradually.In drug resistance crop, resolve into the metabolite of non-activity and detoxify.
Fluorine sulphur Dorema ammoniacum ether (Fomesafen), molecular formula: C 15h 10clF 3n 2o 6s, chemical name: 5-[the chloro-4-of 2-(trifluoromethyl) phenoxy group]-N-(methyl sulphonyl)-2-nitrobenzamide Fomesafen.
Fluorine sulphur Dorema ammoniacum ether is a kind of soybean herbicide after seedling with high selectivity, can effectively prevent and kill off soybean herbicide after seedling, can effectively prevent and kill off Soybean Field broad leaved weed, can be absorbed by weeds root leaf, make its rapid withered and yellow death, within after spray medicine 4-6 hour, meeting rain does not affect drug effect, to soybean safety.Be applicable to the broad leaved weeds such as Soybean Field prevents and kill off piemarker, acalypha copperleaf, bidens pilosa, Amaranthus, Ambrosia, rape, shepherd's purse, lamb's-quarters, Commelina, datura, black nightshade, pharbitis nilChoisy, carpet weed, plaque store, Binzhou knotweed, kitchen garden, thorn bur, wild amaranth, Cassia tora, wolf's milk, clearvers, water sour jujube pin, Physalis, sesbania, common sow thistle, puncture vine, trefoil, nettle, Binzhou Siberian cocklebur, spiny cocklebur, Siberian cocklebur.Also can be used for orchard, rubber plantation prevents and kill off broad leaved weed.
Bentazone (bentazone), molecular formula C 10h 12n 2o 3s, chemical name: 3-isopropyl-(1 H)-benzo-2,1,3 one thiadiazine-4-ketone-2,2 one dioxide.
Bentazone is contact weed killer herbicide.Prevent and kill off winter, spring cereal crop Tanaka Anthemis, Matricaria, Cornmarigold, clearvers, European lapsana apogonoides and chickweed.This product also can be used as weeding in soybean, corn, pea, paddy field, as piemarker, shepherd's purse, Chufa, stingless datura, Helianthus, Polygonum, Portulaca, Ambrosia, Xanthium, Monochoria vaginalis, difformed galingale herb, Sagittaria pygmaea, convexutricle sedge herb and firefly Lin etc.
Report at present about weed killer herbicide compound has:
CN201110368499.8 (publication number is CN102405916A) discloses a kind of Herbicidal combinations containing fenoxaprop and bentazone, the ratio of weight and number of active ingredient Wei fenoxaprop and bentazone fenoxaprop and bentazone is 20:1-1:30, and preferred weight portion rate is 10:1-1:20.
CN201010192907.4 (publication number is CN102265855A) discloses a kind of Herbicidal combinations containing bentazone and fenoxapropPethyl, this Herbicidal combinations is with bentazone and fenoxapropPethyl for principle active component, and the mass ratio of bentazone and fenoxapropPethyl is 1-60: 1-60.Shortcoming is: herbicidal spectrum is narrow, poor to most of broad leaved weed drug effect.
CN201010193117.8 (CN102265862A) discloses a kind of mixed herbicide containing bentazone, acifluorfen and fenoxapropPethyl and application thereof, and the mass ratio of bentazone, acifluorfen and fenoxapropPethyl is 0.1-80: 0.1-80: 0.1-80.In actual applications, the time compole that crop is applicable to dispenser is short for acifluorfen, and invalid to advantage weeds Siberian cocklebur, Commelina communis, lamb's-quarters.
CN200510112605.0 (CN1745633A) one is containing weed killer herbicide bentazone and imazethapyr and diphenyl ether weeding ternary composition, and wherein diphenyl ether herbicide is selected from the one in fomesafen, acifluorfen, lactofen, fluoroglycofen-ethyl, ethoxyfenethyl.Imazethapyr life cycle is extremely short, if 3 leaf phases used after crop seedling, dosage will produce poisoning slightly greatly.Serious poisoning is had to soybean in addition under, cryogenic conditions many at rainwater.If have wind during dispenser, the drift of medicament drop can make the broad leaf crops such as neighbouring rape, jowar, watermelon, potato, eggplant, capsicum, Chinese cabbage lethal.
CN201010192629.2 (publication number is CN102265847A) discloses a kind of Herbicidal combinations containing bentazone, acifluorfen-sodium and fenoxapropPethyl, this Herbicidal combinations is with bentazone, acifluorfen-sodium and fenoxapropPethyl for principle active component, and the mass ratio of bentazone, acifluorfen-sodium and fenoxapropPethyl is 1-70: 1-70: 1-70.The acifluorfen-sodium mechanism of action and imazethapyr similar, existing defects.It is serious that lactofen is used for Soybean Field poisoning, can only be used for Cotton Fields except broad leaved weed, cloudy medication weak effect, and after weeds tri-leaf periods, herbicidal effect is poor.Fluoroglycofen-ethyl, ethoxyfenethyl only have fine day to use guarantee drug effect, and management of weeds is not dug up the roots, and weeds are easily recurred.
At present, soybean field herbicide limit by crop safety, and herbicide spectrum is also limited, is used alone the generation that a kind of weed killer herbicide can not control soybean weeds completely effectively.Therefore, compound herbicide becomes research heat topic at present.
Summary of the invention
Object first object of the present invention is to provide the compound herbicide of a kind of Han fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone.
The second object of the present invention is to provide the application of this weed killer herbicide.
The compound herbicide of a kind of Han fenoxaprop provided by the invention, fluorine sulphur Dorema ammoniacum ether and bentazone, consists of the following composition: fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone.
Concrete, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 0.1-40 part, fluorine sulphur Dorema ammoniacum ether 0.1-20 part and bentazone 0.1-20 part.
Preferably, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 1-35 part, fluorine sulphur Dorema ammoniacum ether 1-20 part and bentazone 1-20 part.
Further preferably, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 15-30 part, fluorine sulphur Dorema ammoniacum ether 5-20 part and bentazone 5-20 part.
Further preferred, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 15-25 part, fluorine sulphur Dorema ammoniacum ether 5-15 part and bentazone 10-20 part.
Present invention also offers the preparation containing above-mentioned compound herbicide, compound herbicide mass percent is in the formulation 1-80%, is preferably 40-60%.
Also containing auxiliary agent in described preparation, described auxiliary agent is one or more in the pesticidal preparations emulsifier, wetting dispersing agent or the solvent that allow.
Described preparation is preferably aqueous emulsion.
Described aqueous emulsion consists of the following composition: compound herbicide 1-80%, wetting dispersing agent 1-10%, emulsifier 1-11%, solvent 1-5%, and antifreezing agent 1%, water complements to 100%.
Preferably, described aqueous emulsion consists of the following composition: compound herbicide 40-60%, wetting dispersing agent 5-10%, emulsifier 8-10%, solvent 3-5%, and antifreezing agent 1%, water complements to 100%.
Further preferably, described aqueous emulsion consists of the following composition: compound herbicide 40-60%, wetting dispersing agent 5-10%, emulsifier 8-10%, solvent 3-5%, and antifreezing agent 1%, water complements to 100%.
Further preferred, described aqueous emulsion consists of the following composition: compound herbicide 50%, wetting dispersing agent 8%, emulsifier 10%, solvent 5%, and antifreezing agent 1%, water complements to 100%.
In above-mentioned preparation:
Described wetting dispersing agent is sodium lignin sulfonate, sodium alkyl benzene sulfonate, fatty alcohol-polyoxyethylene ether or castor oil polyoxyethylene ether;
Described emulsifier is alkylpolyoxyethylene phosphate, alkylphenol polyoxyethylene or alkylaryl APEO;
Described solvent is dimethylbenzene, white oil or rosin base oil;
Described antifreezing agent is ethylene glycol, propane diols or glycerine.
Present invention also offers the preparation method of above-mentioned aqueous emulsion, adopt various preparation method disclosed in prior art to prepare, the selection of concrete grammar and confirm as those skilled in the art and grasped.
Described preparation method comprises the following steps: said components is mixed gained mixture and carry out mix and blend, high speed shear, filtration and get final product.
Present invention also offers above-mentioned compound herbicide or the application of its preparation in Soybean Field postemergence weed control, particularly apply in various grass family and broad leaved weed preventing and kill off in Soybean Field.Because the scientific formulation of compound herbicide is reasonable, in actual application, to grass family various in Soybean Field and broad leaved weed, there is beyond thought preventive effect, and to the growth of soybean itself without any harm.
Compound herbicide provided by the invention has the following advantages:
1, those skilled in the art will know that, weed killer herbicide of a great variety, as phenoxy carboxylic acid, diphenyl ether, carbamates, amide-type, trichloro-benzenes class etc., in order to obtain more preferably herbicidal effect, can adopt and mode composite for two or more active component is obtained synergistic effect.Prior art discloses multiple compound herbicide composition, also teach that conventional principle of compound and method, but that is mostly just a kind of guiding suggestion, specific to specific herbicides compounds, how to select best composite compound, get rid of the possibility of antagonism, determine that best amount ratio makes it have significant synergistic function and needs inventor to further investigate further.
Inventor is devoted for years to the exploitation in Multielement herbicide, in process of the test, surprisingly find that the composite mode of fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone has obvious synergistic effect, especially when selecting suitable auxiliary agent, and each amounts of components reasonable in design time, there is beyond thought herbicidal effect.
2, three kinds of combinations of herbicides, have:
1) activity of weeding is high.Herbicidal composition of the present invention can kill weeds by three kinds of different mechanism, makes Weed Resistance produce speed and reduces, and three kinds of active ingredient Synergistics, drastically increase the removing activity of weed killer herbicide.
2) herbicidal spectrum is wide, and the lasting period is long.The herbicide spectrum of three kinds of weed killer herbicides is different, and three is combined herbicidal spectrum and the activity of these three kinds of medicaments with the medicament that special ratios mixture obtains, make the herbicidal spectrum of mix preparation wider, the lasting period is longer.
3) Weed Resistance is delayed.The present invention can significantly improve the preventive effect to various resistant weed, delays the generation of Weed Resistance, extends the service life of medicament.
4) safety is high.Herbicidal composition of the present invention, is applied to Soybean Field postemergence weed control, can prevent and kill off various grass family or broad leaved weed in Soybean Field.Under the prerequisite that improve drug effect, to soybean and succession crop, all there is reliable safety.
3, on the basis of a large amount of special item, inventor Jiang fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone with suitable proportioning mixture, except successfully the advantage of three kinds of active ingredients is performed to ultimate attainment except, also effectively overcome conventional complex weedicide exists negative effect defect to aspects such as crop itself and soil alleviations.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1: compound herbicide and aqueous emulsion thereof
1, form (mass percent): fenoxaprop 15%, fluorine sulphur Dorema ammoniacum ether 15%, bentazone 20%, castor oil polyoxyethylene ether 8%, alkylphenol polyoxyethylene 10%, dimethylbenzene 5%, ethylene glycol 1%, water complements to 100%.
2, preparation method: said components is mixed gained mixture and carry out mix and blend, high speed shear, filtration and namely obtain the 50% fenoxaprop fluorine sulphur Dorema ammoniacum ether bentazone aqueous emulsion product that average grain diameter is about 4 μm.
Embodiment 2-4: compound herbicide and aqueous emulsion thereof
Can prepare the composition suspending agent of following different content by the method that embodiment 1 is similar, concrete prescription is in table 1.
Table 1: embodiment 2 -the compound herbicide of 4 and the formula of aqueous emulsion thereof
Experimental example 1: toxicity determination test
Utilize the preparation in embodiment, measure its co-toxicity coefficient to Soybean Field common weed lady's-grass.
1, experiment grouping: commercially available medicament 18.5% Jing Evil bentazone wetting powder, 48% fomesafen aqua; Embodiment 1-4; And the embodiment 1 (called after control group 1) in CN201110368499.8 (publication number is CN102405916A).
2, experimental technique: for planting experimentally son first 40 DEG C of water seed soaking vernalization, will sow after waiting seed to show money or valuables one carries unintentionally.By the uniform broadcasting of pretreated lady's-grass seed in soil surface, earthing 0.5cm, after planting move into greenhouse cellar culture, adopt infiltrating irrigation mode moisturizing bottom basin alms bowl, make soil completely moistening, be placed in temperature 30 DEG C, light/secretly cultivate than in the greenhouse of 14h/10h, after planting 10d carries out thinning and determines strain, makes weed density be 20 strains/basin, treat that dayflower grows to 2-2.5 leaf, carry out spraying process.
With ASP-1098 type automatic sprayer (pressure: 0.4Mpa, speed: 50cm/s), liquid is carried out spraying process by experimental scheme from low dosage to high dose order, often process 4 times and repeat.After medicine 2 minutes, treat examination material surface liquid natural air drying, move into greenhouse cellar culture, keep ground moistening in basin, routine observation respectively processed the preventive effect to weeds, weighs the weeds fresh weight after each process after 30d.By the method that the nineteen sixties such as Sun Yunpei propose, calculate its virulence regression equation and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, shows that two kinds of active principles have synergistic effect, otherwise, then show that two kinds of active principles have antagonism.
3, experimental result: in table 2
Table 2 toxicity measurement result
Table 2 result shows: the co-toxicity coefficient of embodiment 1-4 is more than 149.5.
Result illustrates: the compound herbicide after fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone three are composite, compared with single dose, and preventing apart from significant increase lady's-grass, wherein the most remarkable with the synergistic function of embodiment 1.
Experimental example 2: field control effectiveness test
1, reagent agent:
Embodiment 1 in 4 kinds of ternary built weed killer herbicides in embodiment and CN201110368499.8 (publication number is CN102405916A).
Contrast medicament: 10% fenoxaprop missible oil (commercially available), 48% fomesafen aqua (commercially available), 480 grams per liter bentazone aquas (commercially available).
2, for studying thing: soybean, wheat seeding is the 3-6 leaf phase, grows fine, robust plant, without other damage by disease and insect.
3, object is prevented and kill off: Soybean Field advantage weeds, as grassy weeds such as nutgrass flatsedge, green foxtail, lady's-grass, the broad leaved weed such as dayflower, Amaranthus retroflexus.
4, test method: according to the area of experimental plot, the good various medicament of precise, after being watered dilution, carries out even spraying with knapsack sprayer, the Fan spray head that sprinkler selection weed killer herbicide is special.During spraying, liquid be noted evenly to spray application in experimental plot, accomplish not drain spray, spray more.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicament.In addition, after medicine, the condition of production of crop also in 1-15d, to be observed, whether have poisoning to investigate medicament to crop.
5, experimental result:
5.1 Herbicidal Testing Trials effects: in table 3 (after medicine 20d) and table 4 (after medicine 40d).
Table 3 dispenser is pharmacodynamic results after 20 days
40 days pharmacodynamic results after table 4 dispenser
Consumption in table 3 and table 4 all refers to the consumption of active ingredient in each preparation.
As can be seen from table 3 and table 5, the present invention has significant preventive effect to grassy weed and broad leaved weed, and synergy is obvious, and the lasting period extends, wherein with the best results of embodiment 1.
5.2 pairs of crop safety investigation results: in table 5
Table 5 medicament is to crop safety investigation result
Table 5 result shows: the survival rate of embodiment 1-4 is up to 100%, and survival rate of the prior art is 96%, simultaneously, soybean in four embodiment process communities of the present invention all grows fine, having no any medicine spot or seedling death phenomenon, then there is seedling death phenomenon to a certain extent in the single dose of high concentration.
Result illustrates: compound herbicide provided by the invention, to soybean safety, can be promoted the use of, wherein with the best results of embodiment 1.
Experimental example 3: herbicidal effect comparative trial
1, test method: in the soybean 4-5 leaf phase, when various grassy weed and broad leaved weed generally occur, the plot selecting 3 pieces of close liquid manure good as experimental field, with experimental group and the even dispenser of contrast medicament, after 20 days, contrast weeds strain preventive effect.
2, test grouping:
Experimental group 1: the product (principle active component: fenoxaprop 15%+ fluorine sulphur Dorema ammoniacum ether 15%+ bentazone 20%) prepared by embodiment 1
Experimental group 2: the product (principle active component: fenoxaprop 25%+ fluorine sulphur Dorema ammoniacum ether 5%+ bentazone 10%) prepared by embodiment 4
Control group 1: compared with embodiment 1, distinctive points is only that principle active component is: fluorine sulphur Dorema ammoniacum ether 15%+ bentazone 25%
Control group 2: compared with embodiment 1, distinctive points is only that principle active component is: fenoxaprop 25%+ bentazone 25%
Control group 3: compared with embodiment 1, distinctive points is only that principle active component is: fenoxaprop 20%+ fluorine sulphur Dorema ammoniacum ether 15%;
Control group 4: the embodiment 1 , fenoxaprop 2%+ bentazone 20% in documents 1
3, result of the test: in table 6
Within after table 6 medicine 20 days, respectively process and prevent and kill off soybean weeds effect
Treatment agent Every 667 m2 consumptions Grassy weed (strain preventive effect, %) Broad leaved weed (strain preventive effect, %)
Experimental group 1 50g 97.81 98.51
Experimental group 2 100g 97.59 97.01
Control group 1 100ml 89.68 95.52
Control group 2 100ml 84.68 92.54
Control group 3 100ml 62.58 94.52
Control group 4 100g 85.33 70.04
Blank determination —— —— ——
As can be seen from Table 6:
Grassy weed preventive effect: the preventive effect of experimental group 1,2 is all higher than 97%, and the preventive effect of control group 1-4 is lower than 90%;
Broad leaved weed preventive effect: the preventive effect of experimental group 1,2 is higher than 97%, and the preventive effect of control group 1-4 is lower than 95.6%.
Result shows: as compared to the ternary built weed killer herbicide that contrast medicament and market are sold, experimental group 1 of the present invention and experimental group 2 all show excellence in herbicidal spectrum, control efficiency, are worthy to be popularized, wherein with the best results of embodiment 1.
Experimental example 4: what the use of weed killer herbicide grew succession crop affects comparative trial
Inventor expands comparative trial with regard to the use of weed killer herbicide to the impact that succession crop grows further, and subjects is with " herbicidal effect comparative trial ", and concrete test method is:
On the basis of experimental example 3, after soybean harvest terminates, original place block plants wheat, selected wheat breed is all wheats No. 26, records the plot wheat growth situation under each chemicals treatment.
Result of the test is in table 7.
Impact on succession crop wheat after the process of table 7 different agents
Treatment agent Mu spike number (ten thousand) Plant height (cm) Grain number per spike (grain) Thousand kernel weight (g) Per mu yield (kg)
Experimental group 1 40.3 81.2 34.2 46.1 514
Experimental group 2 39.1 81.1 34.2 46.0 512
Control group 1 37.5 77.1 31.2 43.6 481
Control group 2 36.1 76.8 31.0 42.9 478
Control group 3 37.6 77.2 31.6 43.4 486
Control group 4 35.8 75.6 30.8 43.1 465
Artificial weeding contrasts 39.2 75.0 34.2 43.0 478
Table 7 result shows: the weed killer herbicide of experimental group 1 and experimental group 2 does not exist any harmful effect to the growth of succession crop wheat, and control group 1-4 all show to succession crop wheat growth in various degree inhibitory action, wherein the most serious with the impact of control group 4.Trace it to its cause, may be because the different in kind between each component, there occurs some special interaction after used in combination to each other and exacerbate the impact of weed killer herbicide on succession crop.Although the complex weedicide of the embodiment 1 fenoxaprop 2%+ bentazone 20% in visual contrast file 1 can produce certain synergistic effect on herbicidal effect, but also significantly having increased the weight of each component in complex weedicide, on the impact of succession crop, is unfavorable for practical application simultaneously.
And the present invention is while raising herbicidal effect, ensure that the safety to crop, and to succession crop also without any harmful effect, be worth promoting in actual applications.
Although above with general explanation, embodiment and test, the present invention is described in detail, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.

Claims (10)

1., containing a compound herbicide for fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone, consist of the following composition: fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone.
2. compound herbicide according to claim 1, is characterized in that, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 0.1-40 part, fluorine sulphur Dorema ammoniacum ether 0.1-20 part and bentazone 0.1-20 part.
3. compound herbicide according to claim 1, is characterized in that, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 1-35 part, fluorine sulphur Dorema ammoniacum ether 1-20 part and bentazone 1-20 part.
4. compound herbicide according to claim 1, is characterized in that, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 15-30 part, fluorine sulphur Dorema ammoniacum ether 5-20 part and bentazone 5-20 part.
5. compound herbicide according to claim 1, is characterized in that, described compound herbicide is grouped into by the one-tenth of following mass parts: fenoxaprop 15-25 part, fluorine sulphur Dorema ammoniacum ether 5-15 part and bentazone 10-20 part.
6. containing the preparation of compound herbicide described in any one of claim 1-5, it is characterized in that, compound herbicide mass percent is in the formulation 1-80%, is preferably 40-60%.
7. preparation according to claim 6, is characterized in that, described preparation is aqueous emulsion.
8. preparation according to claim 7, is characterized in that, described aqueous emulsion consists of the following composition: described aqueous emulsion consists of the following composition: compound herbicide 1-80%, wetting dispersing agent 1-10%, emulsifier 1-11%, solvent 1-5%, antifreezing agent 1%, water complements to 100%.
9. preparation according to claim 8, is characterized in that, described aqueous emulsion consists of the following composition: compound herbicide 40-60%, wetting dispersing agent 5-10%, emulsifier 8-10%, solvent 3-5%, antifreezing agent 1%, and water complements to 100%;
Preferably, described aqueous emulsion consists of the following composition: compound herbicide 40-60%, wetting dispersing agent 5-10%, emulsifier 8-10%, solvent 3-5%, and antifreezing agent 1%, water complements to 100%.
10. the compound herbicide described in any one of claim 1-5 or the application of the preparation described in any one of claim 6-9 in Soybean Field postemergence weed control.
CN201410462623.0A 2014-09-11 2014-09-11 The compound herbicide of Han fenoxaprop, fluorine sulphur Dorema ammoniacum ether and bentazone and application thereof Active CN104285975B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
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
CN102405916A (en) * 2011-11-20 2012-04-11 广东中迅农科股份有限公司 Weeding composition containing fenoxaprop-p-ethyl and bentazone

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
CN102405916A (en) * 2011-11-20 2012-04-11 广东中迅农科股份有限公司 Weeding composition containing fenoxaprop-p-ethyl and bentazone

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