CN104782634B - A kind of Herbicidal combinations containing Garagard and bromacil and application thereof - Google Patents
A kind of Herbicidal combinations containing Garagard and bromacil and application thereof Download PDFInfo
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Abstract
The invention discloses a kind of Herbicidal combinations containing Garagard and bromacil and application thereof, said composition is 1 with mass ratio～the Garagard of 50: 1～50 and weeding are set to effective ingredient.Garagard and bromacil are compounded by the present invention, the advantage effectively having played both, products obtained therefrom good quality, good drug efficacy, may be used for bare place and make the citrus orchard of district or field planting, and preventive effect is apparently higher than alone Garagard or the preventive effect of alone bromacil.Herbicidal combinations makes big granule, can control the rate of release of pesticide active ingredient, and the lasting period is long, makes dosage relatively reduce, and is difficult to cause chemical injury of crops；Big granule need not be added to the water dissolved dilution spray pesticide again, can direct labor spread fertilizer over the fields or aircraft spreads fertilizer over the fields at soil surface, time saving and energy saving, convenient and swift；Big granule is not attached on the stem and leaf of crop, and drift little, environmental pollution is little, it is to avoid directly contact produces poisoning, to dispenser personal security.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations containing Garagard and bromacil and application thereof, be specifically related to a kind of containing special fourth
Tianjin and the big granule Herbicidal combinations of bromacil and application thereof, belong to technical field of pesticide.
Background technology
Garagard, English common name: terbuthylazine, chemical name: 2-chloro-4-spy fourth amino-6-ethylamino-1,
3,5-triazines, have another name called bladex.Garagard outward appearance is white solid, dissolubility 8.5mg/L (20 DEG C) in water, is soluble in organic molten
Agent, stable in neutrality, weak acid, weak alkaline medium, in strong acid and highly basic medium, facile hydrolysis lost efficacy.In Garagard is broad spectrum activity
Inhale translocated herbicide, mainly by root absorption, for Soybean Field, sorghum field, Citrus field, pomaceous fruit field, vineyard, deserted mountain
Afforestation, bare place are made district etc. and are prevented and kill off multiple weeds, and consumption is 1.2～1.8Kg/hm2。
Bromacil, English name: bromacil, chemical name: 6-methyl-5-bromo-3-sec-butyl urea pyrimidine, have another name called weeding
Pyridine, must demodicid mite Garrick.Bromacil sterling is colorless crystalline solid, and in water, dissolubility 815mg/L (25 DEG C), dissolve in acetone, ethanol
Deng organic solvent, also dissolve in highly basic.Bromacil belongs to proporphyrinogen oxidase inhibitor class nonselective herbicide, can prevent and kill off
Bare place makees district majority weeds, and consumption is 5～15Kg/hm2；Can prevent and kill off annual grassy weeds in the citrus orchard of field planting, consumption is
3.2～8.0Kg/hm2；Fructus Ananadis comosi Tanaka can management of weeds, consumption is 1.8～5.5Kg/hm2。
The single dose of Garagard and bromacil belongs to broad spectrum weeding agent, can be used for bare place make district (such as train way limit) prevent
Cut weeds, or the citrus orchard management of weeds for field planting, but it is as the increase of the medication time limit, there is herbicide resistance and increase
By force, the shortcoming such as weed control spectrum is narrow, consumption is big, not only increase cost, ambient pressure also increases.If by Garagard and weeding
Fixed compounding solution the problems referred to above, apply significant reality.
Additionally, the dosage form of Garagard and bromacil mostly is wettable powder, water dispersible granules now, these dosage forms need with
The form of spraying carries out dispenser, and this insecticide-applying way is time-consuming, and labor intensity is big, and the utilization rate of effective ingredient is relatively low,
Add the chance that medicament directly contacts with people, increase the danger to dispenser personnel.Big granule (macrogranule, GG) is
A kind of particle size range granule between 2.0～6.0mm, it is for powder (directly dusting) and the spray agent of dilute with water
Having significant supplementary function, this big granule can direct labor be spread fertilizer over the fields or aircraft spreads fertilizer over the fields at soil surface, time saving and energy saving.If Garagard
Making big granule with bromacil, when can be prevented effectively from distribution, micropowder flies upward, and pollutes surrounding；Reduce operator during dispenser
Member sucks micropowder, can avoid intoxication accident；Making that high-toxic pesticide is low to be poisoned, granule can spread fertilizer over the fields by direct hands, and will not be poisoned；Can
Control the rate of release of effective ingredient in granule, extend the lasting period；Having directivity during dispenser, the granule making spreading is certain
The place needed can be arrived；It is not attached on the stem and leaf of plant, it is to avoid directly contact produces poisoning.
Summary of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing Garagard Yu bromacil, said composition by Garagard with
Bromacil compounds, and improves herbicidal effect.
Present invention also offers a kind of big granule dosage form of this Herbicidal combinations, this dosage form need not spray pesticide, can be straight
Connect and manually spread fertilizer over the fields or aircraft spreads fertilizer over the fields, time saving and energy saving.
Present invention also offers the application in controlling weeds of this Herbicidal combinations, be mainly used for bare place and make district or fixed
The citrus orchard planted.
The present invention is set to effective ingredient with Garagard and weeding, obtains compositions of good performance by compounding.Garagard
Belong to the toxicity such as low with bromacil, and to people and animals, beneficial organism, Environmental security, bare place is made district by the compounding of both
Weeds or citrus orchard weeds have higher prevention effect, there is obvious potentiation, and mixed rear effectively one-tenth between two components
Demultiplexing dose reduces, and effectively reduces ecology and environmental pollution, also can delay the weeds resistance to single medicament, has well
Application prospect.
The concrete technical scheme of the present invention is as follows:
A kind of Herbicidal combinations, effective ingredient includes that Garagard and bromacil, Garagard and bromacil mass ratio are 1～50
: 1～50, preferred mass ratio is 0.1～20:1, and further preferred mass ratio is 0.5～2.5:1, preferred mass ratio
For 1.5:1.The composition medicine effect obtained is used with more preferable according to preferred proportion.
Herbicidal combinations of the present invention can add acceptable adjuvant on the pesticide disclosed in prior art, and to make performance good
Good dosage form, preferably can make granule, and be more highly preferred to can make the big granule facilitating dispenser.
When Herbicidal combinations is big granule, described particle diameter is 2.0～6.0mm, more specifically 2.0mm, 2.5mm,
3.0mm, 3.5mm, 4mm, 5mm and 6mm.When big granule particle diameter is 3.0mm, big granule performance and drug effect are optimal；When
During a diameter of 2.0mm and 2.5mm of grain, when spreading fertilizer over the fields use, still there is drift phenomenon；When particle diameter is 3.5mm, 4mm, 5mm and 6mm
Time, after spreading fertilizer over the fields use, granule spacing on soil is increasing, affects the performance of drug effect.Therefore particle diameter is preferably 2.0-
4.0mm, optimum is 3.0mm.
In Herbicidal combinations of the present invention, the content of effective ingredient is 5～50wt%, and preferably 5～40wt% are the most excellent
Elect 10～40wt% as, further preferably 15～25wt%, most preferably 20wt%.In addition to effective ingredient, it it is adjunct ingredient.When this
When invention Herbicidal combinations is big granule, because not being spraying use but spreading fertilizer over the fields use, determine at effective ingredient mu consumption
Under the conditions of, if preparation of Chinese medicine active constituent content is the highest, then can make to spread fertilizer over the fields spacing between rear granule excessive, cause individual particle
Preventive effect scope is less than grain spacing, causes preventing and treating dead angle.Therefore it is not higher than 50wt% for effective ingredient content during big granule,
Optimum 20wt%.
When compositions is big granule, this big granule effective ingredient and the composition of adjuvant and weight percent content are as follows:
Effective ingredient 5～50% (preferably 5～40wt%, more preferably 10～40wt%, further preferably 15～25wt%, most preferably
20wt%), dispersant 3～6%, wetting agent 1～4%, binding agent 3～6%, filler surplus.When using following percentage by weight
During content, the performance of big granule and drug effect more preferably: effective ingredient 5～50% (preferably 5～40wt%, more preferably 10～
40wt%, further preferably 15～25wt%, most preferably 20wt%), dispersant 5%, wetting agent 3%, binding agent 5%, filler surplus.
In above-mentioned big granule, described dispersant is sodium methylene bis-naphthalene sulfonate, 2-naphthalene sulfonic acid formaldehyde polymer sodium salt, Malaysia
Acid-acrylic copolymer salt, polyox-yethylene-polyoxypropylene block copolymer, naphtholsulfonic acid formaldehyde condensation products sodium salt, epoxy second
Alkane-propylene oxide block copolymer, aryl phenol polyoxyethylene ether, double naphthalenesulfonate formaldehyde condensation compound sodium salt, polycarboxylate sodium, alkane
Base sodium sulfocarbolate., alkyl naphthalene sulfonic acid formaldehyde condensation products sodium salt, calcium lignosulfonate and alkylphenol polyoxyethylene formaldehyde condensation
One or more in thing sulfate.
In above-mentioned big granule, described wetting agent is sodium lauryl sulphate, dodecylbenzene sodium sulfonate, lignin sulfonic acid
Sodium, pull open powder, a-sulfo methyl ester, sodium tetradecyl sulfate, Negel, a-alkene sulfonic acid sodium, fatty acid amide
N methyl taurine sodium salt, dialkyl group succinate sulfonate sodium, polyoxyethylenated alcohol sodium sulfate, alkylphenol-polyethenoxy
In ether sodium sulfate, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate, fatty acid sulfates and fatty acid ester sulfate one
Plant or multiple.
In above-mentioned big granule, described binding agent is PVP, glucose, sucrose, soluble starch, xanthan gum, dextrin and Gypsum Fibrosum
One or more in powder.
In above-mentioned big granule, described filler is Kaolin, attapulgite, kieselguhr, bentonite, white carbon, lightweight carbonic acid
One or more in calcium, corn starch, carbamide, Pulvis Talci and anhydrous sodium sulfate.
When following components selected by adjuvant, big granule performance and drug effect are more preferably: described dispersant is polymerized by 2-naphthalenesulfonateformaldehyde formaldehyde
Thing sodium salt and calcium lignosulfonate 1:4 in mass ratio mixes；Described wetting agent is by a-alkene sulfonic acid sodium and dodecyl sulfur
Acid sodium 1:2 in mass ratio mixes；Described binding agent is mixed for 4:1 in mass ratio by sucrose and xanthan gum；Described fill out
Material is corn starch.
The preparation method of the big granule of above-mentioned Garagard and bromacil comprises the following steps:
(1) by Garagard, bromacil, dispersant, wetting agent, binding agent and filler mix homogeneously, ultra micro air-flow powder is carried out
Broken, obtain the fine powder of 680～840 mesh, standby；
(2) gained fine powder is added water mediate, then kneading material is carried out extruder grain and obtains diameter 2.0～6.0mm
The wet granular of (preferably 3.0mm), dries to obtain big granule for 30～70 DEG C.
The present invention big granule drug effect is high, herbicidal effect is good, it is simple to popularization and application.This big granule preparation method is simple, operation
Convenient, less energy consumption, environmental protection, it is possible to achieve continuous prodution, use ultra micro comminution by gas stream that medicine is pulverized, gained medicine grain
Footpath, between 680～840 mesh, meets Garagard and the requirement of bromacil drug effect performance, utilizes extruder grain method simpler easily
OK, it is simple to implement, it can carry out continuous prodution, and manufacturing cost is lower, and product quality is excellent.
Garagard and bromacil are compounded by the present invention, the advantage effectively having played both, products obtained therefrom Functionality, quality and appealing design
Different, good drug efficacy, may be used for bare place and make the citrus orchard of district or field planting, preventive effect is apparently higher than alone Garagard or alone removes
The preventive effect that grass is fixed.The present composition can substantially save Financial cost, can also reduce medicament in agricultural product and environment simultaneously
Residual quantity, delay the generation that main raw herbicide resistance and secondary weeds are rampant again, extend the service life of medicament, have important
Economic implications, environment protection significance and ecological significance.
Garagard and bromacil Herbicidal combinations are made big granule by the present invention, can control the release speed of pesticide active ingredient
Degree, the lasting period is long, makes dosage relatively reduce, and is difficult to cause chemical injury of crops；Big granule need not be added to the water dissolved dilution again
Spray pesticide, direct labor can spread fertilizer over the fields or aircraft spreads fertilizer over the fields at soil surface, has directivity during dispenser, and the big granule of spreading is certain
The place needed can be arrived, time saving and energy saving, convenient and swift；Big granule is not attached on the stem and leaf of crop, drift little, to environment
Pollute little, it is to avoid directly contact produces poisoning, to dispenser personal security.
Detailed description of the invention
Further, by specific examples below, the present invention is described in detail, but the present invention is limited to absolutely not these examples
Son.If no special instructions, following each component content is weight percentage.
The embodiment 1 20% big granule of Garagard bromacil
Garagard 12%, bromacil 8%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate 4%,
Wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch is supplied
100%.
Preparation method is: after each component being sufficiently mixed uniformly, carry out ultra micro comminution by gas stream, obtains 750 mesh fine powders, then will
Gained fine powder adds appropriate water in kneader and mediates, and through squash type granulator granulation, obtains the wet granular of diameter 3.0mm,
Dry at 70 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 2 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 2.0mm of granule.
The embodiment 3 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 2.5mm of granule.
The embodiment 4 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 3.5mm of granule.
The embodiment 5 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 4.0mm of granule.
The embodiment 6 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 5.0mm of granule.
The embodiment 7 20% big granule of Garagard bromacil
Big granule formulations and preparation method are with embodiment 1, except for the difference that: the big a diameter of 6.0mm of granule.
The embodiment 8 15% big granule of Garagard bromacil
Garagard 9%, bromacil 6%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate 4%,
Wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch is supplied
100%.
Preparation method is with embodiment 1.
The embodiment 9 18% big granule of Garagard bromacil
Garagard 10.8%, bromacil 7.2%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 10 22% big granule of Garagard bromacil
Garagard 13.2%, bromacil 8.8%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 11 25% big granule of Garagard bromacil
Garagard 15%, bromacil 10%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 12 10% big granule of Garagard bromacil
Garagard 6%, weeding 4%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate 4%, profit
Humectant a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch is supplied
100%.
Preparation method is with embodiment 1.
The embodiment 13 12% big granule of Garagard bromacil
Garagard 7.2%, bromacil 4.8%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 14 30% big granule of Garagard bromacil
Garagard 18%, bromacil 12%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 15 40% big granule of Garagard bromacil
Garagard 24%, bromacil 16%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 16 5% big granule of Garagard bromacil
Garagard 3%, bromacil 2%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate 4%,
Wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch is supplied
100%.
Preparation method is with embodiment 1.
The embodiment 17 8% big granule of Garagard bromacil
Garagard 4.8%, bromacil 3.2%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 18 45% big granule of Garagard bromacil
Garagard 27%, bromacil 18%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 19 50% big granule of Garagard bromacil
Garagard 30%, bromacil 20%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, calcium lignosulfonate
4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, corn starch
Supply 100%.
Preparation method is with embodiment 1.
The embodiment 20 20% big granule of Garagard bromacil
Garagard 12%, bromacil 8%, dispersant polycarboxylate sodium 3%, naphtholsulfonic acid formaldehyde condensation products sodium salt 1%, profit
Humectant a-sulfo methyl ester 2%, fatty acid amide N methyl taurine sodium salt 1.0%, binding agent PVP2%, soluble starch
2%, Kaolin supplies 100%.
Preparation method is with embodiment 1.
The embodiment 21 20% big granule of Garagard bromacil
Garagard 14.29%, bromacil 5.71%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 3%, lignin sulfonic acid
Calcium 3%, wetting agent a-alkene sulfonic acid sodium 3%, binding agent xanthan gum 3%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The embodiment 22 20% big granule of Garagard bromacil
Garagard 6.67%, bromacil 13.33%, dispersant ethylene oxide-propylene oxide block copolymer 2%, aryl
Phenol polyethenoxy ether 3%, wetting agent sodium lauryl sulphate 2%, dodecylbenzene sodium sulfonate 2%, binding agent glucose 5%,
Pulvis Talci supplies 100%.
Preparation method is with embodiment 1.
The embodiment 23 20% big granule of Garagard bromacil
Garagard 19.05%, bromacil 0.95%, dispersant maleic acid-acrylic acid copolymer salt 2.5%, alkyl phenol gathers
Oxygen vinyl Ether formaldehyde condensation products sulfate 2.5%, wetting agent dialkyl group succinate sulfonate sodium 1.0%, binding agent dextrin
6%, kieselguhr supplies 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 720 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 60 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 24 20% big granule of Garagard bromacil
Garagard 1.82%, bromacil 18.18%, the double naphthalenesulfonate formaldehyde condensation compound sodium salt 2% of dispersant, alkylphenol
Sodium sulfonate 2.5%, wetting agent alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate 0.8%, fatty acid sulfates 1.4%, viscous
Knot agent Gypsum Fibrosum powder 6%, precipitated calcium carbonate supplies 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 700 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 55 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 25 20% big granule of Garagard bromacil
Garagard 0.39%, bromacil 19.61%, the double naphthalenesulfonate formaldehyde condensation compound sodium salt 0.5% of dispersant, polycarboxylic acids
Sodium salt 2.5%, wetting agent sodium tetradecyl sulfate 1.5%, Negel 1.5%, binding agent xanthan gum 0.5%, solvable
Property starch 3%, kieselguhr supplies 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 730 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 62 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 26 20% big granule of Garagard bromacil
Garagard 19.61%, bromacil 0.39%, dispersant polyox-yethylene-polyoxypropylene block copolymer 4%, aryl
Phenol polyethenoxy ether 2%, wetting agent fatty acid sulfates 1.5%, fatty acid amide N methyl taurine sodium salt 1.0%, binding agent
PVP1%, glucose 3%, attapulgite supplies 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 650 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 50 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 27 20% big granule of Garagard bromacil
Garagard 0.95%, bromacil 19.05%, dispersant aryl phenol polyoxyethylene ether 2%, maleic-acrylic acid are common
Polymers salt 2%, wetting agent sodium tetradecyl sulfate 1.5%, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate 0.5%, viscous
Knot agent dextrin 3%, Kaolin supply 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 800 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 50 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 28 20% big granule of Garagard bromacil
Garagard 19.35%, bromacil 0.65%, dispersant sodium methylene bis-naphthalene sulfonate 4.5%, oxirane-epoxy
Propane block copolymer 1%, wetting agent Negel 2%, dialkyl group succinate sulfonate sodium 0.5%, binding agent stone
Cream powder 5%, carbamide supply 100%.
Preparation method is: after mixture is sufficiently mixed uniformly, carries out ultra micro comminution by gas stream, obtains 700 mesh fine powders, then by institute
Obtain fine powder in kneader, add appropriate water kneading, through squash type granulator granulation, obtain the wet granular of diameter 3.0mm,
Dry at 50 DEG C in fluidizing fluid-bed, i.e. obtain the 20% big granule of Garagard bromacil.
The embodiment 29 20% big granule of Garagard bromacil
Garagard 14.29%, bromacil 5.71%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, lignin sulfonic acid
Calcium 4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, Semen Maydis forms sediment
Powder supplies 100%.
Preparation method is with embodiment 1.
The embodiment 30 20% big granule of Garagard bromacil
Garagard 6.67%, bromacil 13.33%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, lignin sulfonic acid
Calcium 4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, Semen Maydis forms sediment
Powder supplies 100%.Preparation method is with embodiment 1.
The embodiment 31 20% big granule of Garagard bromacil
Garagard 19.05%, bromacil 0.95%, dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, lignin sulfonic acid
Calcium 4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, Semen Maydis forms sediment
Powder supplies 100%.Preparation method is with embodiment 1.
The embodiment 32 20% big granule of Garagard bromacil
Garagard 1.19%, bromacil 18.18%, point dispersant 2-naphthalene sulfonic acid formaldehyde polymer sodium salt 1%, sulfomethylated lignin
Acid calcium 4%, wetting agent a-alkene sulfonic acid sodium 1%, sodium lauryl sulphate 2%, binding agent sucrose 4%, xanthan gum 1%, Semen Maydis
Starch supplies 100%.Preparation method is with embodiment 1.
Properties of product are tested
Portioned product performance data and the test of pesticide effectiveness are set forth below with the advantage proving medicine of the present invention.
One, Citrus field weed prevention effect research
1, medicament used
Experimental pharmacy: the made preparation of the embodiment of the present invention；
Comparison medicament: Garagard 90%WG (commercial), bromacil 80%WG (commercial).
2, test method:
In Citrus field, May in summer tests, Citrus Tanaka weeds have Herba Digitariae, Herba Bidentis Bipinnatae, Semen Euphorbiae, grass imperial, precocious
Standing grain, Herba Galii Teneri, amur foxtail, cattle Herba stellariae mediae, Herba veronicae, Herba Acalyphae, Herba Eleusines Indicae, Conyza canadensis (L.) Cronq. etc..During experiment, 31 pieces of Citrus fields are selected to make
For trial zone, Citrus field, every piece, trial zone carries out dispenser according to table 1 below and table 2 respectively.Application method is: use according to effective ingredient
The consumption of the big granule of embodiment needed for medicine calculation every piece trial zone, and use artificial broadcast's mode to be spread in uniform in trial zone to enter
Row dispenser prevents and treats, and comparison medicament employing stem and leaf spray pattern carries out dispenser preventing and treating, and (during herbal sprinkling, use water 450 kg/ha is entered
Row dilution), dispenser weather on the same day is fine, the dispenser during morning 9～11, the highest temperature 25 DEG C, the lowest temperature 15 DEG C.Select one piece simultaneously
Citrus field is as check plot, and check plot does not spray any medicament.
Preventive effect computational methods:
Wherein CK0--weeds strain number before clear water control treatment；
CK1--7d weeds strain number after clear water control treatment；
a0--weeds strain number before dispenser；
a1--7d weeds strain number after dispenser；
3, result
The big granule performance of 3.1 embodiments 1-19 and efficacy testing result see table 1.
Table 1 properties of product and efficacy testing result (strain preventive effect %, after dispenser 7 days)
As can be seen from the above table, embodiment 1,2,3,4,5,6 and 7 active constituent content is 20%, and particle diameter is respectively
3.0,2.0,2.5,3.5,4.0,5.0 and 6.0mm, by above-mentioned data it can be seen that during big granule particle diameter >=3.0mm,
Drift value is minimum, during particle diameter ＜ 3.0mm, drift value can reach more than 5%, be primarily due to up to more than 2 years the lasting period
Particle weight is little, and easily with wind drift, the lasting period is short simultaneously, and below 1.5 years, this is because granule is the least, medicament release is more
Hurry up；During big granule particle diameter≤3.0mm, preventive effect is up to more than 98%, during particle diameter ＞ 3.0mm, along with particle diameter increases,
Preventive effect is gradually lowered, especially embodiment 6 and 7, and preventing effectiveness reduces substantially, and this is primarily due to identical at effective ingredient, single
Plane amass dosage identical in the case of, along with the change of particle diameter is big, it is the most increasing to spread fertilizer over the fields rear grain spacing, easily produces preventing and treating
Dead angle, causes preventive effect step-down.In sum, when big granule particle diameter is 3.0mm, product drift value, the lasting period, preventive effect up to
Optimal effectiveness.
Additionally, embodiment 1,8,9,10,11,12,13,14,15,16,17,18 and 19 particle diameter is 3.0mm, pass through
When above-mentioned data are it can be seen that active constituent content is 20%, lasting period and preventive effect reach optimum resultant effect, effective ingredient
When content is 15～25%, lasting period and preventive effect resultant effect take second place, and when active constituent content is 5～40%, the lasting period is with anti-
Effect resultant effect third, when active constituent content is 45～50%, lasting period and preventive effect resultant effect are minimum, this be mainly because of
After raising for active constituent content, under conditions of effective ingredient consumption is identical, the usage amount meeting relative drop of medicament, accordingly
Intergranular spacing also can become big, preventing and treating dead angle easily occurs.In sum, this big granule active constituent content be 5～
50wt%, preferably 5～40wt%, more preferably 15～25wt%, most preferably 20wt%.
3.2 other embodiments big granule efficacy testing result is as shown in table 2 below.
Other embodiments of table 2 big granule preventing and treating Citrus weeds effect (strain preventive effect %, after dispenser 7 days)
From table 2 it can be seen that within the scope of the present invention, gained Garagard bromacil Herbicidal combinations dosage ratio is single
Medicament significantly reduces, and preventive effect is maintained at more than 83%, when the mass ratio of Garagard and bromacil is in the range of 0.1～20:1,
Gained Herbicidal combinations preventive effect is maintained at more than 87%, when mass ratio is in the range of 0.5～2.5:1, preventive effect be maintained at 90% with
On, mass ratio is when 1.5:1, and gained Herbicidal combinations best results, preventive effect is more than 95%, and this illustrates the choosing of drug ratios
Select the lifting to drug effect to have a significant impact.Additionally, by embodiment 1 and 20, embodiment 21 and 29 contrast it can be seen that adjuvant
Select the lifting of drug effect is also had large effect.When selecting optimal adjuvant and optimal drug ratio, the present composition
The preventive effect of Citrus weeds can be reached 98.8%.
Two, noncrop area (train way limit) control of weeds effect disquisition
1, medicament used
Experimental pharmacy: the made preparation of the embodiment of the present invention；
Comparison medicament: Garagard 90%WG (commercial), bromacil 80%WG (commercial).
2, test method:
Testing May in summer on noncrop area (train way limit), noncrop area (train way limit) weeds have Herba Digitariae, ghost
Needle grass, Semen Euphorbiae, grass dragon, annual bluegrass, Herba Galii Teneri, amur foxtail, cattle Herba stellariae mediae, Herba veronicae, Herba Acalyphae, Herba Eleusines Indicae, Conyza canadensis (L.) Cronq. etc..Real
When testing, 13 pieces of noncrop areas (train way limit) are selected to press respectively as trial zone, Mei Kuai noncrop area, trial zone (train way limit)
Dispenser is carried out according to table 3 below.Application method is: the big granule of embodiment needed for calculating every piece of trial zone according to effective ingredient dosage
Consumption, and use artificial broadcast's mode to be spread in uniform in trial zone to carry out dispenser preventing and treating, comparison medicament uses stem and leaf spray pattern
Carrying out dispenser preventing and treating (during herbal sprinkling, use water 450 kg/ha is diluted), dispenser weather on the same day is fine, executes during the morning 9～11
Medicine, the highest temperature 25 DEG C, the lowest temperature 15 DEG C.Select one piece of noncrop area (train way limit) as check plot, check plot simultaneously
Do not spray any medicament.
Preventive effect computational methods:
Wherein CK0--weeds strain number before clear water control treatment；
CK1--7d weeds strain number after clear water control treatment；
a0--weeds strain number before dispenser；
a1--7d weeds strain number after dispenser；
3, result
Each group medical treatment noncrop area (train way limit) weeds effect such as table 3 below.
Table 3 different agents preventing and treating noncrop area (train way limit) weeds effect (strain preventive effect %, after dispenser 7 days)
As can be seen from the above table, gained Garagard bromacil Herbicidal combinations preventive effect is maintained at more than 83%, Garagard
During with the mass ratio of bromacil in the range of 0.1～20:1, gained Herbicidal combinations preventive effect is maintained at more than 86%, and mass ratio exists
Time in the range of 0.5～2.5:1, preventive effect is maintained at more than 90%, mass ratio when 1.5:1, gained Herbicidal combinations best results,
Preventive effect is more than 95%, and the lifting of drug effect is had a significant impact by the selection of this explanation drug ratios.Additionally, by embodiment 1 He
20, the contrast of embodiment 21 and 29 is it can be seen that the selection of adjuvant also has large effect to the lifting of drug effect.Optimal when selecting
When adjuvant and optimal drug ratio, the preventive effect of noncrop area (train way limit) weeds can be reached by the present composition
98.5%.By testing above it can be seen that Herbicidal combinations of the present invention improves citrus orchard and the noncrop area (train way of field planting
Limit) control of weeds effect, decrease the usage amount of medicine, economical and practical, effectively reduce ecology and environmental pollution, effect shows
Write.Said composition is fabricated to big granule simultaneously, it is not necessary to carry out dispenser with the form of spraying, time saving and energy saving；Can be prevented effectively from and execute
Medicine drift during medicine, pollutes surrounding；Reduce operator's Sucked medicine during dispenser, intoxication accident can be avoided；Controlled
The rate of release of effective ingredient in granule processed, extends the lasting period；There is during dispenser directivity, make the granule of spreading really can
Arrive the place needed；It is not attached on the stem and leaf of plant, it is to avoid directly contact produces poisoning.
Claims (17)
1. a Herbicidal combinations, is characterized in that: effective ingredient includes the quality of Garagard and bromacil, Garagard and bromacil
Ratio is 1～50: 1～50.
Herbicidal combinations the most according to claim 1, is characterized in that: Garagard is 0.1～20 with the mass ratio of bromacil:
1。
Herbicidal combinations the most according to claim 2, is characterized in that: the mass ratio of Garagard and bromacil be 0.5～
2.5:1。
Herbicidal combinations the most according to claim 3, is characterized in that: Garagard is 1.5:1 with the mass ratio of bromacil.
5. according to the Herbicidal combinations according to any one of claim 1-4, it is characterized in that: dosage form is granule.
Herbicidal combinations the most according to claim 5, is characterized in that: dosage form is big granule.
Herbicidal combinations the most according to claim 5, is characterized in that: particle diameter is 2.0～6.0mm.
Herbicidal combinations the most according to claim 7, is characterized in that: particle diameter is 3.0mm.
Herbicidal combinations the most according to claim 1, is characterized in that: active constituent content is 5～50wt%.
Herbicidal combinations the most according to claim 9, is characterized in that: active constituent content is 5～40wt%.
11. Herbicidal combinations according to claim 10, is characterized in that: active constituent content is 15～25wt%.
12. Herbicidal combinations according to claim 11, is characterized in that: active constituent content is 20wt%.
13., according to the Herbicidal combinations according to any one of claim 9-12, is characterized in that: also include adjuvant, and adjuvant forms
And weight percent content is as follows: dispersant 3～6%, wetting agent 1～4%, binding agent 3～6%, filler surplus.
14. Herbicidal combinations according to claim 13, is characterized in that: adjuvant composition and weight percent content are as follows:
Dispersant 5%, wetting agent 3%, binding agent 5%, filler surplus.
15. Herbicidal combinations according to claim 13, is characterized in that: described dispersant be sodium methylene bis-naphthalene sulfonate,
2-naphthalene sulfonic acid formaldehyde polymer sodium salt, maleic acid-acrylic acid copolymer salt, polyox-yethylene-polyoxypropylene block copolymer, naphthols
Sulfonic formaldehyde condensation compound sodium salt, aryl phenol polyoxyethylene ether, double naphthalenesulfonate formaldehyde condensation compound sodium salt, polycarboxylate sodium, alkyl
Sodium sulfocarbolate., alkyl naphthalene sulfonic acid formaldehyde condensation products sodium salt, calcium lignosulfonate and alkylphenol polyoxyethylene formaldehyde condensation products
One or more in sulfate；Described wetting agent is sodium lauryl sulphate, dodecylbenzene sodium sulfonate, lignin sulfonic acid
Sodium, pull open powder, a-sulfo methyl ester, sodium tetradecyl sulfate, Negel, a-alkene sulfonic acid sodium, fatty acid amide
N methyl taurine sodium salt, dialkyl group succinate sulfonate sodium, polyoxyethylenated alcohol sodium sulfate, alkylphenol-polyethenoxy
In ether sodium sulfate, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate, fatty acid sulfates and fatty acid ester sulfate one
Plant or multiple；Described binding agent is polyvinylpyrrolidone, glucose, sucrose, soluble starch, xanthan gum, dextrin and Gypsum Fibrosum
One or more in powder；Described filler is Kaolin, attapulgite, kieselguhr, bentonite, white carbon, precipitated calcium carbonate, jade
One or more in rice starch, carbamide, Pulvis Talci and anhydrous sodium sulfate.
16. Herbicidal combinations according to claim 15, is characterized in that: described dispersant is by 2-naphthalene sulfonic acid formaldehyde polymer
Sodium salt and calcium lignosulfonate 1:4 in mass ratio mixes；Described wetting agent is by a-alkene sulfonic acid sodium and lauryl sulphate acid
Sodium 1:2 in mass ratio mixes；Described binding agent is mixed for 4:1 in mass ratio by sucrose and xanthan gum；Described filler
For corn starch.
The application in management of weeds of the Herbicidal combinations according to any one of 17. 1 kinds of claim 1～16, is characterized in that:
Described Herbicidal combinations makees the citrus orchard of district or field planting for bare place.
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| CN110810405A (en) * | 2019-12-03 | 2020-02-21 | 浙江天丰生物科学有限公司 | Rice field weeding granule suitable for flying prevention operation |
| CN112385652B (en) * | 2020-09-21 | 2023-11-10 | 中国农业科学院植物保护研究所 | Sustained-release granule suitable for agricultural unmanned aerial vehicle broadcasting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914230A (en) * | 1971-07-02 | 1975-10-21 | Du Pont | Bromacil/diuron complex |
| US3914122A (en) * | 1971-07-02 | 1975-10-21 | Du Pont | Herbicidal complex and formulations thereof |
| CN100479660C (en) * | 2007-10-09 | 2009-04-22 | 河北省农林科学院粮油作物研究所 | Nicosulfuron terbuthylazine compound weedicide for corn field |
| CN102396467A (en) * | 2011-12-30 | 2012-04-04 | 山东潍坊润丰化工有限公司 | Herbicide composition containing atrazine and terbuthylazine and preparation method thereof |
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