CN105284825A - Weeding composition containing ametryn and oxyfluorfen as well as application of weeding composition - Google Patents
Weeding composition containing ametryn and oxyfluorfen as well as application of weeding composition Download PDFInfo
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Abstract
The invention belongs to the technical field of compound pesticides, and particularly discloses a weeding composition containing ametryn and oxyfluorfen as well as application of the weeding composition. The weight ratio of ametryn to oxyfluorfen is (1-50):(1-50). The weeding composition is used for controlling monocotyledonous weeds and dicotyledonous weeds, and the application amount of active ingredients in the weeding composition is 100-5000 g/ha; when ametryn and oxyfluorfen is combined for application, a synergistic effect is realized, so that weeds can be effectively controlled, the control effect of the combination is better than that of each of ametryn and oxyfluorfen, and the slow acting property is relatively good.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specifically related to a kind of Herbicidal combinations containing ametryn and Oxyfluorfen and uses thereof.
Background technology
In agricultural production process, utilizing chemical herbicide to prevent and kill off weeds in field, is that investment is little, the measures for increasing agricultural output of instant effect, high efficiency, saving of work and time.Owing to being subject to the polyfactorial impacts such as weed killer herbicide self-characteristic (as selectivity), the growing state of target weeds, field crops, surrounding environment and soil condition, require higher to the operation technique of weed killer herbicide.In China, start late although utilize chemical herbicide to prevent and kill off weeds in field, development speed is very fast, and the ratio that weed killer herbicide accounts for agricultural chemicals total amount progressively improves, and it is 31% that weed killer herbicide in 2000 accounts for the ratio of agricultural chemicals total amount.But along with the large area of weed killer herbicide uses, problem highlights.The use year after year of single herbicide, cause weeds to be improved the resistance of weed killer herbicide, Crop-weed Communities there occurs larger change, and a large amount of malignant weeds limits the use of weed killer herbicide.In order to obtain higher preventive effect, dosage increases year by year, but drug effect worse and worse, pedo relict increases, and environmental pollution increases the weight of, to this season crop and lower season chemical injury of crops frequently occur, light then cause crop yield reduction, quality declines, heavy then cause crop to have no harvest.Therefore, reasonable employment mixture herbicide can improve agricultural chemicals availability, improves drug effect, expands herbicide spectrum, reduce production cost, has the characteristics such as low-residual, relatively single dose be safer, to promotion Agriculture Production, increases the benefit significant.
Summary of the invention
The object of the present invention is to provide a kind of Herbicidal combinations containing ametryn and Oxyfluorfen and uses thereof.
For achieving the above object, the technical scheme taked of the present invention is as follows:
Contain a Herbicidal combinations for ametryn and Oxyfluorfen, ametryn and Oxyfluorfen are the active component of this Herbicidal combinations, and the weight ratio of ametryn and Oxyfluorfen is 1-50 ︰ 1-50.
Ametryn, Oxyfluorfen by pesticide producing mode conventional at present, are prepared into multi-form operational corresponding formulation together with customary adjuvant.
The percentage by weight that ametryn, Oxyfluorfen account for described Herbicidal combinations is altogether 5-90%; Described formulation the best is wetting powder, water dispersible granules, oil suspending agent or suspending agent (suspending agent is often referred to aqueous suspension agent).
Ametryn, chemistry is by name: N-2-ethylamino--N-4-isopropylamino-6-methyl mercapto-1,3,5-triazines is a kind of triazine selectivity inner-adsorption conduction-type herbicide, colourless crystallization; Ametryn is absorbed by root system of plant and cauline leaf, after plant absorption ametryn, upwards conducts and concentrates on plant tip meristematic tissue, suppresses electron transmission in sensitive plant photosynthesis, causes nitrite accumulation in blade, reach weeding object; Its solvability in water is 185mg/L(20 DEG C), dissolve in organic solvent, be hydrolyzed with strong acid, highly basic and form 6-hydroxyl body; Herbicide effect is rapid, by 0-5 centimetre of adsorption by soil, can form medicine layer, contact medicament when weed germination is unearthed; Best to the Weed-control effect just sprouted, controlling object: barnyard grass, eleusine indica, Bermuda grass, lady's-grass, ditch millet, green foxtail, large broomcorn millet, knucklegrass, moleplant seed, piemarker, tassel flower, chrysanthemum celery, Euphorbia, Polygonum, pondweed, common calla, Tian Ji, Ageratum conyzoides, common sow thistle, hollow lotus seeds dish, kyllinga brevifolia, three-coloured amaranth, beggar-ticks, Rottboellia exaltata, field bindweed, Brachiaria Griseb, Chenopodium, crotalaria mucronata, Chufa etc.
Oxyfluorfen, chemistry is by name: the chloro-4-trifluoromethyl of 2--3'-ethyoxyl-4'-nitrobenzophenone ether, belong to diformazan ether-derivative herbicides, for the contact weed killer herbicide of selection type, industrial goods redness or yellow solid, fusing point 65-84 DEG C, is soluble in the organic solvents such as acetone, chloroform, cyclohexanone, is insoluble in water; Can be used for soil treatment, there is again high cauline leaf process active; Mechanism of action, for suppressing proporphyrinogen oxidase, hinders chlorophyllous formation; Low toxicity, has certain spread effect to skin and eyes; Controlling object: unifacial leaf and the broad leaved weeds such as cyanines, downy brome, green foxtail, datura, quackgrass, artemisiifolia, thorn chrysanthemum sth. made by twisting, piemarker, charlock.
Chemical weed control occupies very large proportion in the weeds comprehensive regulation, almost becomes the core of the weeds comprehensive regulation.A large amount of weed killer herbicide kinds has been developed out to be selected on producing.But the composition of weed community is diversified, often kind of weed killer herbicide has the weeds kind of specifically preventing and treating, and meanwhile, the weed killer herbicide kind that Long-Time Service is single, can cause again weeds to produce resistance or cause the change of weeds kind.The used in combination of two or more weed killer herbicide kind can effectively solve the problem.Herbicide mixture, has summation action, synergistic effect, antagonism three kinds of results, and wherein synergistic effect has great meaning in the practice of weed killer herbicide mixture.Synergistic effect refers to that two or more weed killer herbicides are by composite, and improve collaborative toxicity index, its drug effect is greater than the alone effect sum of each medicament.In production, this kind of weed killer herbicide is composite, can improve herbicidal effect, reduces weed killer herbicide consumption, expands herbicide spectrum, reduces production cost.Innovation of the present invention is the weed killer herbicide mixture of ametryn and Oxyfluorfen two kinds of different mechanisms of action to use, and demonstrates synergistic effect when ametryn and Oxyfluorfen composition are used.
The present invention contains the purposes of the Herbicidal combinations of ametryn and Oxyfluorfen: this Herbicidal combinations is for preventing and treating the weeds such as monocotyledon weed or broadleaf weed, particularly eleusine indica, lady's-grass, green foxtail, acalypha copperleaf, field bindweed, Commelina communis, the rhizome of nutgrass flatsedge; The amount of application of active component is 100-5000g/ha.Actual those skilled in the art can according to actual conditions and needs when using, and especially adjust amount of application according to pending plant or the character of crop and the situation of crop smothering.
The administration form of Herbicidal combinations is spraying, dusting or pouring.If Herbicidal combinations of the present invention is used for crop plants, if namely they to be applied to after crop emerges the field of crop, if active component can not be tolerated well by some crop plants, then can by the protector weed sprays composition of the fog-spray nozzle of applicable type, to make the stem of sensitive crop plant not contact as far as possible with leaf, and active component arrives the leaf of growth undesirable plant below or exposed soil surface.
Herbicidal combinations is applicable to the other monocotyledon weed of control of maize, sugarcane, the wide line-spacing crop of cotton and orchard, nursery stock, uncultivated area, Tian Bian, canal or broadleaf weed, and Herbicidal combinations can be used before or after crop emerges.
Herbicidal combinations of the present invention can also be used with other active ingredient combination, other active component described such as fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, safener, fertilizer or semiochemical etc.
Advantage of the present invention is: the present invention shows synergistic effect by when ametryn and Oxyfluorfen combined administration, effectively can control weeds, be better than the preventive effect of respective single dose, and have good late effect property.
Embodiment
By following specific embodiment, technical scheme of the present invention is described.Percentage in all formulas is all weight percentage.The processing technology of the various preparation of Herbicidal combinations of the present invention is prior art, can change to some extent according to different situations.But the present invention is not limited to given embodiment.
embodiment 15% ametryn+15% Oxyfluorfen water dispersible granules
Formula: ametryn 5%, Oxyfluorfen 15%, sodium lignin sulfonate 10%, urea 10%, sodium bicarbonate 5%, citric acid 5%, bentonite supply 100%.
Above-mentioned substance is mixed, becomes wetting powder through air-flow crushing, add a certain amount of water, mixing extruder grain, after drying screening, become 5% ametryn+15% Oxyfluorfen water dispersible granules.
embodiment 225% ametryn+30% Oxyfluorfen wetting powder
Formula: ametryn 25%, Oxyfluorfen 30%, sodium lignin sulfonate 10%, lauryl sodium sulfate 5%, dodecyl sodium sulfate 5%, kaolin complement to 100%.
Above-mentioned substance is mixed, through ultra-fine pulverizer disintegrating, obtains 25% ametryn+30% Oxyfluorfen wetting powder.
embodiment 333% ametryn+5% Oxyfluorfen suspending agent
Formula: ametryn 33%, Oxyfluorfen 5%, lignosulfonates 8%, sodium dioctylsuccinate 0.6%, alcohol ethoxy ether 5%, xanthans 0.3%, glycerine 5%, dimethicone 0.5%, water complement to 100%.
Above-mentioned substance is mixed, after grinding or high speed shear, obtains 33% ametryn+5% Oxyfluorfen suspending agent.
embodiment 418% ametryn+3% Oxyfluorfen suspending agent
Formula: ametryn 18%, Oxyfluorfen 3%, acrylic acid maleic acid 6%, lauryl sodium sulfate 2%, xanthans 0.3%, glycerine 8%, bentonite 6%, organic silicone 1%, water supply 100%.
Above-mentioned substance is mixed, after grinding or high speed shear, obtains 18% ametryn+3% Oxyfluorfen suspending agent.
embodiment 520% ametryn+20% Oxyfluorfen wetting powder
Formula: ametryn 20%, Oxyfluorfen 20%, sodium lignin sulfonate 10%, dodecyl sodium sulfate 5%, precipitated calcium carbonate complement to 100%.
Above-mentioned substance is mixed, after ultra-fine grinding 20% ametryn+20% Oxyfluorfen wetting powder.
embodiment 65% ametryn+15% oxyfluorfen EC
Formula: ametryn 5%, Oxyfluorfen 15%, ethoxylated castor oil 10%, dodecyl sodium sulfonate calcium 10%, N-N-methyl 2-pyrrolidone N-supply 100%.
Above-mentioned substance is mixed to transparency liquid and namely obtain 5% ametryn+15% oxyfluorfen EC.
embodiment 760% ametryn+15% Oxyfluorfen wetting powder
Formula: ametryn 60%, Oxyfluorfen 15%, sodium lignin sulfonate 3%, dodecyl sodium sulfonate calcium 15%, white carbon 5%, kaolin complement to 100%.
Above-mentioned substance is mixed, after ultra-fine pulverizer disintegrating, namely obtains 60% ametryn+15% Oxyfluorfen wetting powder.
embodiment 850% ametryn+8% Oxyfluorfen wetting powder
Formula: ametryn 50%, Oxyfluorfen 8%, polyoxyethylene nonylphenol ether 5%, dodecyl sodium sulfonate calcium 5%, white carbon 5%, kaolin complement to 100%.
Above-mentioned substance is mixed, after grinding, makes 50% ametryn+8% Oxyfluorfen wetting powder.
embodiment 920% ametryn+50% Oxyfluorfen wetting powder
Formula: ametryn 20%, Oxyfluorfen 50%, sodium lignin sulfonate 5%, NaLS 2%, dodecyl sodium sulfate 10%, kaolin complement to 100%.
Above-mentioned substance is mixed, after ultra-fine pulverizer disintegrating, namely obtains 20% ametryn+50% Oxyfluorfen wetting powder.
embodiment 1030% ametryn+10% Oxyfluorfen suspending agent
Formula: ametryn 30%, Oxyfluorfen 10%, alkyl phenyl polyethylene oxides ether sulfonic acid sodium 3%, sodium dioctylsuccinate 0.5%, xanthans 0.3%, propane diols 5%, dimethicone 0.5%, water complement to 100%.
Above-mentioned substance is mixed, after grinding or high speed shear, obtains 30% ametryn+10% Oxyfluorfen suspending agent.
embodiment 1110% ametryn+20% Oxyfluorfen suspending agent
Formula: ametryn 10%, Oxyfluorfen 20%, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 2%, methyl naphthalene sulfonate formaldehyde condensate 2%, poly-metilsulfate 1%, xanthans 0.3%, bentonite 1%, propane diols 1%, dimethicone 0.6%, water complement to 100%.
Above-mentioned substance is mixed, after grinding or high speed shear, obtains 10% ametryn+20% Oxyfluorfen suspending agent.
embodiment 1250% ametryn+10% Oxyfluorfen wetting powder
Formula: ametryn 50%, Oxyfluorfen 10%, sodium lignin sulfonate 5%, carboxymethyl cellulose 2%, white carbon complement to 100%.
Above-mentioned substance is mixed, makes 50% ametryn+10% Oxyfluorfen wetting powder through ultra-fine grinding.
embodiment 1315% ametryn+15% Oxyfluorfen oil-suspending agent
Formula: ametryn 15%, Oxyfluorfen 15%, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%, modified sodium lignosulfonate 5%, xanthans 0.3%, bentonite 1%, glycerine 5%, dimethicone 0.6%, corn oil complement to 100%.
Above-mentioned substance is mixed, after grinding or high speed shear, obtains 15% ametryn+15% Oxyfluorfen oil-suspending agent.
embodiment 1435% ametryn+35% Oxyfluorfen wetting powder
Formula: ametryn 35%, Oxyfluorfen 35%, Nonyl pheno 5%, dodecyl sodium sulfonate calcium 10%, neopelex 5%, white carbon 6%, kaolin complement to 100%.
Above-mentioned substance is mixed, after ultra-fine pulverizer disintegrating, namely obtains 35% ametryn+35% Oxyfluorfen wetting powder.
application test example
Ametryn uses with commercially available ametryn (Ametrex) 80% wetting powder preparaton.
Oxyfluorfen uses with commercially available Oxyfluorfen (Authority) 24% missible oil preparaton.
Test period is taken care of weeds and is evaluated their responses to each reactive compound process.
Preventive effect (%)=(clear water check plot weeds strain number-treatment region weeds strain number)/weeds fresh weight × 100, clear water check plot
Test example 1
Corn field weed process, before corn field sowing, marks off the uniform plot of fertility, sowing weed seed.Seeding corn, and water.Before corn and weeds are unearthed, spraying process is carried out to soil, within 10 days, 30 days, investigate drug effect after administration respectively, the results are shown in Table 1 and table 2.
As can be known from the above table, preemergence application Herbicidal combinations of the present invention after corn is broadcast, dispenser, after 10 days, has monocotyledon weed and broadleaf weed and well closes down effect.And Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves.
As can be known from the above table, preemergence application Herbicidal combinations of the present invention after corn is broadcast, dispenser, after 30 days, has monocotyledon weed and broadleaf weed and well closes down crop.And Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves.
Therefore Herbicidal combinations of the present invention carries out closed soil treatment before seedling after crop is broadcast, and has good control efficiency to weeds of not being unearthed, and ensures the interference not by weeds when long-term cropping; And composition preventive effect is better than the preventive effect of respective single dose, and there is good late effect property.
Test example 2
Corn field weed process, after emergence of corn, mark off the uniform plot of fertility, sowing weed seed, treat that weeds are highly about 5-12 centimetre, now corn is in the 8-10 leaf phase, carries out directed spraying process to weeds and bare soil, within 10 days, 30 days, investigate drug effect after administration respectively, the results are shown in Table 3 and table 4.
As can be known from the above table, use Herbicidal combinations of the present invention after corn seeding, dispenser, after 10 days, has good preventive effect to monocotyledon weed and broadleaf weed.And Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves, and to crop safety.
As can be known from the above table, use Herbicidal combinations of the present invention after corn seeding, dispenser, after 30 days, has good preventive effect to monocotyledon weed and broadleaf weed.And Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves.
Therefore Herbicidal combinations of the present invention is in crop-planting post processing weeds, has good control efficiency, and composition preventive effect is better than the preventive effect of respective single dose, and has good late effect property.
Test example 3
When apple orchard weeds are highly 5-12 centimetre, mark off the uniform plot of fertility, spraying process is carried out to weeds and bare soil, within 10 days, 30 days, investigate drug effect after administration respectively, the results are shown in Table 5 and table 6.
As can be known from the above table, use Herbicidal combinations of the present invention in apple orchard, dispenser, after 10 days, has good preventive effect to monocotyledon weed and broadleaf weed.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves, and to crop safety.
As can be known from the above table, use Herbicidal combinations of the present invention in apple orchard, dispenser, after 30 days, has good preventive effect to monocotyledon weed and broadleaf weed.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect significantly improves.
To sum up: Herbicidal combinations of the present invention has good control efficiency to weeds, be better than the preventive effect of respective single dose, and there is good late effect property.
the toxicity test report of control of maize field weed
1 test objective
Evaluation Oxyfluorfen and ametryn different ratio are to the removing activity of common annual single, double cotyledon weeds.
2 experimental conditions
2.1 for examination target
Lady's-grass Digitariasanguinalis; Eleusine indica Eleusineindica (L.) Gaertn.; Amaranthus retroflexus Amaranthusretroflexus; Kitchen garden Portulacaoleracea;
The seed of above-mentioned corn field main weeds all picks up from farmland, the north suburb, Xinxiang City, and after drying, be put in drying, shady and cool ventilation place preserves, during test, lady's-grass, eleusine indica, Amaranthus retroflexus and kitchen garden percentage of seedgermination are 96.0%, 94.3%, 94.7 and 92.8%.
2.2 instrument and equipment
FA1604 electronic balance (sensibility reciprocal 0.1mg), 3WPSH-500D type are raw surveys spray tower, controlled greenhouse by solar heat, tool hole plastic basin (diameter 25cm), beaker, pipette.
3 experimental scheme
3.1 test soil
Take from farmland, the north suburb, Xinxiang, two close soil property, organic 1.4%, pH7.2, sieving for standby after natural air drying.
3.2 examination materials
The fine earth that sieves is loaded plastic basin to 3/4 place, tool hole of diameter 25cm, high 16cm, adopt infiltrating irrigation mode at the bottom of basin to make soil completely moistening.By selected weed seed seed soaking 24h, evenly pendulum is sowed at soil surface, and often kind of weeds basin sows each 30, rear covering fine earth 1cm, carry out moisturizing to wetting in infiltrating irrigation mode at the bottom of basin, be placed in greenhouse heat-insulating cultivate (day temperature 26 ~ 30 DEG C, night temperature 15 ~ 19 DEG C, sunshine 14h, relative moisture 65 ~ 75%), after cultivation 20d (weeds 5 ~ 6 leaves), reject seedlings and weak seedling, each 25 strains of the weeds that basin stays leaf age consistent with growing way, pending.
3.3 test medicine
Oxyfluorfen (97% former medicine), Shandong Weifang Rainbow Chemical Co., Ltd. produces;
Ametryn (95% former medicine), Zhejiang Zhongshan Chemical Group Co., Ltd. produces.
3.4 other reagent
Acetone: analyze pure, Ke Miou chemical reagent center, Tianjin produces;
99% polyoxyethylene nonylphenol ether: Jiangsu Jia Feng chemistry limited company;
9% calcium dodecyl benzene sulfonate: Tianjin Jin Rui Chemical Co., Ltd..
Containing the water of same solvent and emulsifier.
3.5 concentration designs
Arrange single dose group, mixture group and blank, described single dose group is divided into again Oxyfluorfen group and ametryn group simultaneously, and described mixture group refers to Oxyfluorfen and the composite combination of ametryn.The mass percent of single dose group or mixture group consists of: acetone 35%, and 99% polyoxyethylene nonylphenol ether 5%, 99% calcium dodecyl benzene sulfonate 5%, single dose/mixture, water supplies 100%.Wherein Oxyfluorfen component establish mass concentration 240,320,400,480,560mg/L, ametryn component establish mass concentration 1600,2133.33,2666.67,3200,3733.33mg/L; Oxyfluorfen and ametryn form mixture by the mass ratio of 1: 4.8,1: 5.4,1: 6.0,1: 6.6,1: 7.2, and then respectively set up separately mass concentration 1066.67,1600,2133.33,2666.67,3200mg/L.Establish the water (acetone 35%, 99% polyoxyethylene nonylphenol ether 5%, 99% calcium dodecyl benzene sulfonate 5%, water 55%) containing same solvent and emulsifier to do blank process simultaneously, repeat four times.
4 test methods
Adopt pot-culture method, weeds are cultivated and see 3.2, carry out with reference to " farm-chemical indoor determination test rule " NY/T1154.4-2006, NY/T1154.7-2006.Adopt cauline leaf facture, spouting liquid presses 45mL/m
2, medication 1 time.
5 data surveys and statistical analysis
5.1 investigation method
Adopt absolute value investigation method, cut off survival weeds with blade along soil surface, weigh weeds fresh weight with analytical balance, calculate fresh weight preventive effect.
5.2 control times and number of times
After process, 21d investigation, investigates 1 time.
5.3 data statistic analysis
Carry out statistical analysis with DPS software, obtain regression line, EC
50value and correlation coefficient.According to the EC of each process that the abundant method of Sun Yun will record
50value is converted into actual poison exponent (ATI); According to the proportioning of mixture, obtain theoretical toxicity index (TTI), by the co-toxicity coefficient (CTC) of following formulae discovery mixture, (data processing take Oxyfluorfen as standard agent).
If co-toxicity coefficient (CTC) is greater than 120, show there is synergistic effect; If be starkly lower than below 100(80), be indicated as antagonism; Between 80-120, be indicated as summation action.
6 results and analysis
Result of the test table is in table 7.Virulence regression equation and synergy situation are in table 8.
Table 8 result shows: 5 proportionings (Oxyfluorfen: ametryn=1: the EC 4.8,1: 5.4,1: 6.0,1: 6.6,1: 7.2) to weeds of Oxyfluorfen, ametryn
50value is respectively 970.1026,913.9693,737.4463,727.3459,729.0791mg/L.The co-toxicity coefficient of 5 proportionings between 112.2537 ~ 171.0105, wherein 1: 5.4,1: 6.0,1:6.6,1: 7.2 four proportioning co-toxicity coefficient be respectively 124.1832,159.4937,166.8056,171.0105, be synergistic effect; The co-toxicity coefficient of 1: 4.8 proportioning is 112.2537, is addition.
Claims (7)
1. contain a Herbicidal combinations for ametryn and Oxyfluorfen, it is characterized in that: ametryn and Oxyfluorfen are the active component of this Herbicidal combinations, the weight ratio of ametryn and Oxyfluorfen is 1-50 ︰ 1-50.
2. the Herbicidal combinations containing ametryn and Oxyfluorfen as claimed in claim 1, is characterized in that: ametryn, Oxyfluorfen by pesticide producing mode conventional at present, are prepared into multi-form operational corresponding formulation together with customary adjuvant.
3. the Herbicidal combinations containing ametryn and Oxyfluorfen as claimed in claim 2, is characterized in that: the percentage by weight that ametryn, Oxyfluorfen account for described Herbicidal combinations is altogether 5-90%; Described formulation is wetting powder, water dispersible granules, oil suspending agent or suspending agent.
4. the purposes of the Herbicidal combinations containing ametryn and Oxyfluorfen as described in as arbitrary in claim 1-3, is characterized in that: this Herbicidal combinations is for preventing and treating monocotyledon weed or broadleaf weed; The amount of application of active component is 100-5000g/ha.
5. the purposes containing the Herbicidal combinations of ametryn and Oxyfluorfen as claimed in claim 4, is characterized in that: the administration form of Herbicidal combinations is spraying, dusting or pouring.
6. the purposes containing the Herbicidal combinations of ametryn and Oxyfluorfen as claimed in claim 4, it is characterized in that: Herbicidal combinations is applicable to the other monocotyledon weed of control of maize, sugarcane, cotton, orchard, nursery stock, uncultivated area, limit, field or canal or broadleaf weed, and Herbicidal combinations was used before or after crop emerges.
7. the purposes containing the Herbicidal combinations of ametryn and Oxyfluorfen as claimed in claim 4, it is characterized in that: described Herbicidal combinations and other active ingredient combination are used, other active component described is fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, safener, fertilizer or semiochemical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510366006.5A CN105284825A (en) | 2015-06-29 | 2015-06-29 | Weeding composition containing ametryn and oxyfluorfen as well as application of weeding composition |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798276A (en) * | 1972-03-14 | 1974-03-19 | H Bayer | Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1425288A (en) * | 2001-12-12 | 2003-06-25 | 马韵升 | Prometryn weedicide composition |
-
2015
- 2015-06-29 CN CN201510366006.5A patent/CN105284825A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798276A (en) * | 1972-03-14 | 1974-03-19 | H Bayer | Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1425288A (en) * | 2001-12-12 | 2003-06-25 | 马韵升 | Prometryn weedicide composition |
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