CN109221241A - A kind of Herbicidal combinations containing glufosinate-ammonium - Google Patents
A kind of Herbicidal combinations containing glufosinate-ammonium Download PDFInfo
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- CN109221241A CN109221241A CN201811079942.8A CN201811079942A CN109221241A CN 109221241 A CN109221241 A CN 109221241A CN 201811079942 A CN201811079942 A CN 201811079942A CN 109221241 A CN109221241 A CN 109221241A
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- ammonium
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
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Abstract
The invention discloses a kind of Herbicidal combinations containing glufosinate-ammonium, effective component is glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene, and the mass ratio of the two is 50:1-1:50.The present composition has apparent synergistic effect, can be used for preventing and kill off wheat paddock and corn field weed.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, especially a kind of Herbicidal combinations containing glufosinate-ammonium and its prevention and treatment farming
The application of object weeds, belongs to technical field of pesticide.
Background technique
Wheat, barley and corn are important cereal crops.Corn is grass family Zea annual herb plant, is
The cereal crops of total output first in the world.Wheat is the general designation of wheat platymiscium, a kind of to plant extensively all over the world
Gramineae plant is the cereal crops of total output second in the world.In China, wheat and corn be all Three major grain crops it
One, it is occupied an important position in all cereal crops, is the basic of China's agricultural.But China's major part wheat paddock and corn
Always there is different degrees of crop smothering in field, these weeds types are more, and distribution is wide, and strong and vigorous growth, single plant area coverage is big,
Moisture, nutriment, space are largely fought for crop, causes wheat growth gesture weak, directly affect the yield and quality of wheat, direct shadow
Ring China cereal crops reserves.Therefore, herbicide is widely used in domestic wheat paddock and corn field, and wheat is avoided to subtract because of weeds
It produces.
Glufosinate-ammonium is the non-conductive steriland herbicide of organic phosphates of German Hirst company initiative, and effective component is
Referred to as (PPT), chemical name is (RS) -2- amino -4- (hydroxy-methyl-phosphinyl) butyric acid ammonium to phosphinothricin.Careless ammonium
Phosphine be with glutamine synthelase (GS) be target enzymes the non-conductive steriland herbicide of organic phosphates, for orchard, vineyard,
Bare place, potato fields etc. prevent and treat annual and perennial dicotyledonous and gramineae weed, can prevent and kill off annual grassy weeds well,
Such as rat-tail amur foxtail, herba digitariae, barnyard grass, Wild Barley, Itanlian rye, herba setariae viridis, setaria glauca, wild wheat, wild corn.With
1.00-2.00kg/hm2Perennial weeds can be prevented and kill off well, i.e., with 0.4-2kg/hm2Dosage can effectively prevent and kill off it is annual
And perennial dicotyledonous, grass family and sedge weed.Glufosinate-ammonium is non-selective cauline leaf process agent, and conduction is poor, kills root effect
Fruit is poor.
(R)-4-isopropenyl-1-methyl-1-cyclohexene, chemical name 1- methyl -4- (1- methyl ethylene) cyclohexene, also known as limonene, is monocyclic monoterpene, point
Son amount is 136.24, and group is divided into C10H16, No. CAS is 5989-27-5.It is not soluble in water for lemon liquid, there is very strong infiltration
Property.
So far, by glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene carry out compounding there is not been reported.
Summary of the invention
It is an object of the invention to: provide it is a kind of be suitble to agriculturally use, have outstanding control efficiency to weeds containing grass
The Herbicidal combinations of ammonium phosphine help to improve preventive effect, reduce effective ingredient consumption.
In order to solve the above technical problems, inventor has been surprisingly found that careless ammonium by a large amount of indoor bioassay experiment sieving
Phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene with certain proportion, is had significant synergies to wheatland and corn field weed.
On the basis of above-mentioned discovery, by carrying out the quantitative analysis of synergy to composition, form of the invention
Technical solution is a kind of effective component with glufosinate-ammonium, take (R)-4-isopropenyl-1-methyl-1-cyclohexene as another effective component, glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene
Mass ratio is 50:1~1:50, and preferred mass ratio is 20:1~1:20, and more preferable mass ratio is 10:1~1:10.
The gross mass percentage composition of effective component is 5%-90% in the present composition.
The present composition can be prepared into any dosage form of suitable agricultural use by known method, and preferable dosage form has
Suspending agent, missible oil, aqueous emulsion, microemulsion, wettable powder or water dispersible granules.
It also include adjuvant in the present composition in addition to containing effective component glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene.What is used is auxiliary
Auxiliary agent include dispersing agent, wetting agent, antifreezing agent, bleeding agent etc. and it is other be beneficial to effective component in storage and use stablize with
And the known substance that drug effect plays, all it is various composition commonly used or allowed to use in pesticidal preparations, is not particularly limited, specifically
Ingredient and dosage are determined according to recipe requirements by simple experiment.
Herbicidal combinations of the present invention can be provided in the form of finished product preparation, i.e., each substance has mixed in composition, composition
Ingredient can also be provided with unit dose form, be used in mixed way in proportion as needed.
Herbicidal combinations of the present invention are mainly used for the prevention and treatment of the control of weeds of cereal crop, especially wheat weeds.
Compared with prior art, the present invention the beneficial effects are as follows: (1) compared with single dose, the Herbicidal combinations are to wheat
Field weed has apparent synergy, improves control efficiency；(2) Herbicidal combinations broad weed-killing spectrum of the invention, can effectively prevent
Alopecurus, amur foxtail, wild avena sativa, alkali thatch, caput are careless, deceive grass, annual bluegrass, Triticum tauschii, herba bromi japonici, herba setariae viridis, Descurainia sophia, shepherd's purse
Dish, clearvers etc. are a variety of pernicious difficult except grass family, and broadleaf weeds is especially suitable for the disposable postemergence weed control of wheatland；(3) of the invention
The Herbicidal combinations optimum period for applying fertilizer is wide, to when stubble and succession crop it is fool proof.And without any antagonism between two kinds of ingredients,
Effect on environment is small；(4) Herbicidal combinations of the invention reduce the dosage of effective component than each single dose, have given full play to respectively
Drug effect greatly reduces use cost.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments
It is illustrated, but the present invention is limited to absolutely not these examples.
The combination of active principles of different pesticides is compounded, be at present solve the problems, such as it is various in pesticide single dose application process
One kind effectively and quick way.After the pestsides synthesis of different cultivars, three kinds of type of action are typically exhibited: being added and make
With, synergistic effect and antagonism.But it is specially which kind of effect, it is unpredictable, only just it can know that by a large number of experiments.Compounding
Synergy is formulated well, due to significantly improving practical control efficiency, is reduced the usage amount of pesticide, is given full play to pesticide each group
The advantage divided, is the important means of integrated control.
The present composition is using glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene as effective component, and combination has wheat weeds bright between them
Aobvious synergistic function is specifically added with following Assays Example rather than just the simple addition of two kinds of pharmacy effects
With explanation.
Assays Example: glufosinate-ammonium compounds the indoor toxicity determination test to wheat weeds with (R)-4-isopropenyl-1-methyl-1-cyclohexene
Subjects: clearvers (Galium aparine L.var.tenerumGren.et (Godr.) Rebb.), shepherd's purse
(Capsella bursa-pastoris (Linn.) Medic.), wild avena sativa (Avena fatua L.), alkali thatch
(Puccinellia distans)。
Using greenhouse pot culture method measurement glufosinate-ammonium with (R)-4-isopropenyl-1-methyl-1-cyclohexene mixture to the activity of weeds, while and glufosinate-ammonium, d- lemon
Lemon alkene compares, and active component is handled with 0.1% Tween-80 aqueous solution.It is built-in from agriculture with the plastic nutrition bowl of diameter 9cm
Field acquisition keeps soil conservation wet through air-dried topsoil, in the method that bottom is supplied water, the uniform weeds of sowing full seed
Seed, after earthing 0.5cm, thinning after weeds are unearthed guarantees that every basin has 15 plants of weeds, every kind of 5 basin of weeds of every processing.It is suitable to weeds
When closing test, carry out that spraying (precision spraying area is 0.02m in PWT-510 type spray tower2, spraying liquid 10ml, control spray
0.1% Tween-80 aqueous solution.18 days weighing weeds aerial part fresh weights after processing calculate fresh weight preventive effect, carry out by Gowing method
Evaluation, result are 3 duplicate averages, and test result is shown in Table 1.
Gowing method calculation formula are as follows: E0=X+Y (100-X)/100, wherein X is with p g/hm2Rate of application apply single dose
The preventive effect (%) of A, Y are with q g/hm2Rate of application application single dose B preventive effect (%), E0For when with p+qg/hm2Rate of application apply
With theoretical preventive effect (%) of herbicide A+B phase when mixed, E is the practical preventive effect (%) when herbicide A+B phase is mixed, works as E-E0> 10%
When be synergistic effect, E-E0It is acted on when < -10% for reduction, E-E0It is summation action when between ± 10%.
Pot experiment toxicity test test result of 1 different disposal of table to weeds
When test measurement result shows that the proportion of glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene is between 50:1-1:50, all have apparent
Synergistic effect.
Herbicidal combinations of the present invention can be prepared into any one dosage form of suitable agricultural use by known method, preferably
Dosage form be suspending agent, missible oil, aqueous emulsion, microemulsion, wettable powder or water dispersible granules.It is carried out below with specific embodiment
Illustrate, percentage is mass percent in all formulas.
Embodiment 1:21% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent
By each components such as active constituent, dispersing agent, wetting agent, thickener, antifreezing agent, preservative and water in the ratio of formula
It is uniformly mixed, 21% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is obtained after ground and/or high speed shear.
The embodiment is applied to prevention and treatment barley field weed.21% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is dense by effective component
It spends 42 μ g/ml and is diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 97.7% and 98.8% after medicine.Comparison medicine
5% glufosinate-ammonium missible oil of agent (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ of effective component concentration
G/ml), used with same method, 7 days and 20 days preventive effects are respectively 90.1%, 92.7% and 93.2%, 94.9% after medicine.Grass
Synergistic effect is obvious after ammonium phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of barley field weed, and to barley safety.
Embodiment 2:20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent
By each components such as active constituent, dispersing agent, wetting agent, thickener, antifreezing agent, preservative and water in the ratio of formula
It is uniformly mixed, 20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is obtained after ground and/or high speed shear.
The embodiment is applied to prevention and treatment weeds of wheat.20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is pressed into effective component
40.8 μ g/ml of concentration is diluted with water by spraying, and 7 days and 20 days control efficiency are respectively 97.5% and 96.9% after medicine.Comparison medicine
5% glufosinate-ammonium missible oil of agent (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ of effective component concentration
G/ml), used with same method, 7 days and 20 days preventive effects are respectively 89.5%, 90.8% and 91.4%, 90.7% after medicine.Grass
Synergistic effect is obvious after ammonium phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and to wheat safety.
Embodiment 3:11% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent
By each components such as active constituent, dispersing agent, wetting agent, thickener, antifreezing agent, preservative and water in the ratio of formula
It is uniformly mixed, 11% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is obtained after ground and/or high speed shear.
The embodiment is applied to prevention and treatment weeds of wheat.11% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene suspending agent is dense by effective component
It spends 44 μ g/ml and is diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 95.8% and 96.8% after medicine.Comparison medicine
5% glufosinate-ammonium missible oil of agent (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ of effective component concentration
G/ml), used with same method, 7 days and 20 days preventive effects are respectively 88.8%, 86.7% and 87.7%, 86.8% after medicine.Grass
Synergistic effect is obvious after ammonium phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and to wheat safety.
Embodiment 4:10.5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene aqueous emulsion
Raw medicine, solvent, emulsifier, antifreezing agent, defoaming agent are added together, make to be dissolved into homogeneous oil phase；By water-soluble group
Divide and water is mixed to prepare water phase；Under high velocity agitation, oil is mutually mixed with water, 10.5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene water is made
Emulsion.
The embodiment is applied to prevention and treatment barley field weed.10.5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene aqueous emulsion is pressed into effective component
42 μ g/ml of concentration is diluted with water by spraying, and 7 days and 20 days control efficiency are respectively 93.7% and 94.6% after medicine.Comparison medicament
5% glufosinate-ammonium missible oil (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ g/ of effective component concentration
Ml), used with same method, 7 days and 20 days preventive effects are respectively 87.4%, 88.8% and 86.9%, 85.3% after medicine.Careless ammonium
Synergistic effect is obvious after phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of barley field weed, and to barley safety.
Embodiment 5:5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene microemulsion
Raw medicine, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase；Water-soluble component and water are mixed to prepare
Water phase；Under high velocity agitation, oil is mutually mixed with water, 5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene microemulsion is made.
The embodiment is applied to prevention and treatment weeds of wheat.5% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene microemulsion is pressed into effective component concentration
50 μ g/ml are diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 95.8% and 97.7% after medicine.Comparison medicament
5% glufosinate-ammonium missible oil (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ g/ of effective component concentration
Ml), used with same method, 7 days and 20 days preventive effects are respectively 88.7%, 87.4% and 86.8%, 88.9% after medicine.Careless ammonium
Synergistic effect is obvious after phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and to wheat safety.
Embodiment 6:20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene missible oil
Active constituent, emulsifier, cosolvent and solvent are sequentially added in mixing kettle in the ratio of formula, stirred evenly,
20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene missible oil is made.
The embodiment is applied to prevention and treatment corn field weed.20.4% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene missible oil is dense by effective component
Degree is that 40.8 μ g/ml are diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 95.6% and 94.9% after medicine.It is right
(effective component concentration is pressed according to 5% glufosinate-ammonium missible oil of medicament (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent
50 μ g/ml), it is used with same method, 7 days and 20 days preventive effects are respectively 86.7%85.9% and 85.8%, 84.8% after medicine.
Synergistic effect is obvious after glufosinate-ammonium is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of corn field weed, and pacify to corn
Entirely.
Embodiment 7:24% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder
Active constituent, various auxiliary agents and filler etc. are sufficiently mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain 24% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder.
The embodiment is applied to prevention and treatment weeds of wheat.By 24% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder by effectively at
Point 48 μ g/ml of concentration is diluted with water spraying, and 7 days and 20 days control efficiency are respectively 95.2% and 94.9% after medicine.Comparison medicine
5% glufosinate-ammonium missible oil of agent (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press 50 μ of effective component concentration
G/ml), used with same method, 7 days and 20 days preventive effects are respectively 87.0%, 86.4% and 85.7%, 88.1% after medicine.Grass
Synergistic effect is obvious after ammonium phosphine is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and to wheat safety.
Embodiment 8:22% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder
Active constituent, various auxiliary agents and filler etc. are sufficiently mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain 22% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder.
The embodiment is applied to prevention and treatment weeds of wheat.By 22% glufosinate-ammonium 〃 (R)-4-isopropenyl-1-methyl-1-cyclohexene wettable powder by effectively at
Point 44 μ g/ml of concentration is diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 94.4% and 95.7% after medicine.It is right
(effective component concentration is pressed according to 5% glufosinate-ammonium missible oil of medicament (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent
50 μ g/ml), used with same method, after medicine 7 days and 20 days preventive effects be respectively 84.8%, 88.8% and 87.5%,
86.2%.Synergistic effect is obvious after glufosinate-ammonium is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and right
Wheat safety.
Embodiment 9:90% glufosinate-ammonium (R)-4-isopropenyl-1-methyl-1-cyclohexene water dispersible granules
Glufosinate-ammonium 45%
(R)-4-isopropenyl-1-methyl-1-cyclohexene 45%
Alkyl how sodium sulfonate 2%
Sodium lignin sulfonate 1.5%
Lauryl sodium sulfate 1.5%
Urea 2%
Kaolin complements to 100%
Active constituent, dispersing agent, wetting agent, disintegrating agent and filler are mixed according to the formula uniformly, through air-flow crushing
At wettable powder, adds a certain amount of water mixing extruding and make material.90% glufosinate-ammonium d- lemon is obtained after dry screening
Alkene water dispersible granules.
The embodiment is applied to prevention and treatment barley field weed.By 90% glufosinate-ammonium (R)-4-isopropenyl-1-methyl-1-cyclohexene water dispersible granules by effectively at
Point 40 μ g/ml of concentration is diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 99.6% and 99.9% after medicine.It is right
(effective component concentration is pressed according to 5% glufosinate-ammonium missible oil of medicament (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent
50 μ g/ml), used with same method, after medicine 7 days and 20 days preventive effects be respectively 80.1%, 79.5% and 81.2%,
80.5%.Synergistic effect is obvious after glufosinate-ammonium is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of barley field weed, and right
Barley safety.
Embodiment 10:30% glufosinate-ammonium (R)-4-isopropenyl-1-methyl-1-cyclohexene water dispersible granules
Glufosinate-ammonium 10%
(R)-4-isopropenyl-1-methyl-1-cyclohexene 20%
Alkyl how sodium sulfonate 2%
Sodium lignin sulfonate 1.5%
Lauryl sodium sulfate 1.5%
Urea 2%
Kaolin complements to 100%
Active constituent, dispersing agent, wetting agent, disintegrating agent and filler are mixed according to the formula uniformly, through air-flow crushing
At wettable powder, adds a certain amount of water mixing extruding and make material.30% glufosinate-ammonium d- lemon is obtained after dry screening
Alkene water dispersible granules.
The embodiment is applied to prevention and treatment weeds of wheat.By 30% glufosinate-ammonium (R)-4-isopropenyl-1-methyl-1-cyclohexene water dispersible granules by effectively at
Point 60 μ g/ml of concentration is diluted with water that seedling stage is spraying, and 7 days and 20 days control efficiency are respectively 99.9% and 100% after medicine.Control
5% glufosinate-ammonium missible oil of medicament (pressing 50 μ g/ml of effective component concentration) and 10%d- limonene suspending agent (press effective component concentration 50
μ g/ml), it is used with same method, 7 days and 20 days preventive effects are respectively 78.3%, 80.7% and 78.9%, 82.3% after medicine.
Synergistic effect is obvious after glufosinate-ammonium is compounded with (R)-4-isopropenyl-1-methyl-1-cyclohexene, is significantly better than single dose to the preventive effect of weeds of wheat, and pacify to wheat
Entirely.
Claims (6)
1. a kind of Herbicidal combinations containing glufosinate-ammonium, it is characterised in that: contain effective component grass ammonium in the Herbicidal combinations
Phosphine and (R)-4-isopropenyl-1-methyl-1-cyclohexene, the mass ratio of the two are 50:1-1:50.
2. Herbicidal combinations according to claim 1, it is characterised in that: the quality of effective component glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene
Than for 20:1-1:20.
3. Herbicidal combinations according to claim 2, it is characterised in that: the quality of effective component glufosinate-ammonium and (R)-4-isopropenyl-1-methyl-1-cyclohexene
Than for 10:1-1:10.
4. Herbicidal combinations according to any one of claims 1 to 3, it is characterised in that: effective component in Herbicidal combinations
Gross mass percentage composition is 5%-90%.
5. Herbicidal combinations according to claim 4, it is characterised in that: the dosage form of the Herbicidal combinations be suspending agent,
Missible oil, aqueous emulsion, microemulsion, wettable powder or water dispersible granules.
6. the purposes that Herbicidal combinations described in claim 1 are used to prevent and kill off wheat paddock and corn field weed.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235900A (en) * | 2019-06-05 | 2019-09-17 | 广西天浩农业发展有限公司 | A kind of glufosinate-ammoniumaqua aqua and preparation method thereof |
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| CN110235900A (en) * | 2019-06-05 | 2019-09-17 | 广西天浩农业发展有限公司 | A kind of glufosinate-ammoniumaqua aqua and preparation method thereof |
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