CN105076177B - A kind of herbicidal composition and its application - Google Patents
A kind of herbicidal composition and its application Download PDFInfo
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- CN105076177B CN105076177B CN201510580134.XA CN201510580134A CN105076177B CN 105076177 B CN105076177 B CN 105076177B CN 201510580134 A CN201510580134 A CN 201510580134A CN 105076177 B CN105076177 B CN 105076177B
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Abstract
The present invention relates to herbicide field, it is an object of the invention to provide a kind of broad weed-killing spectrum, the herbicidal composition to control of weeds effect is significant and its application.The active component of the herbicidal composition of the present invention contains monosulfmeturon, Garagard and 2,4 d butyl esters.The herbicidal composition that the present invention is provided shows fabulous potentiation, and mixed compositionss significantly improve herbicidal effect compared with its single dose and its double agent, reduce the using dosage of pesticide, thus reduce the drug cost and the influence degree to environment of peasant.
Description
Technical field
The present invention relates to a kind of herbicidal composition and its application.
Background technology
The chemical name of monosulfmeturon (Monosulfuron) is：N- [2'- (4'- methyl) pyrimidine radicals] -2- Nitrobenzol sulphurs
Uride, structural formula is：
Monosulfmeturon is ALS enzyme inhibitors, mainly prevents and treats common broad leaved weed, also has suppression well to grassy weed
System.
The chemical name of Garagard (Tebruhtylazine) is：N2- tertiary butyl-N4- the chloro- 1,3,5- triazines of ethyl -6- -
2,4- diamidogen, structural formula is：
Garagard is triazine herbicide, mainly by the root absorption of plant, be applied to before bud Semen Maydiss, Semen arachidis hypogaeae, Semen Pisi sativi,
The crop fields such as Semen Viciae fabae, Caulis Sacchari sinensis, mandarin orange prevent and kill off most of annual gramineous weeds and broad leaved weed.The Garagard mechanism of action is suppression
Electron transmission in photosynthesis processed, conducts in apoplast system after plant absorption Garagard, and Jing xylem enters chloroplast class capsule
In body film, with the Q in photosynthesis electron transport chainBProtein binding so that Qs protein functions are destroyed, it is impossible to continue to pass by electronics
Pass, finally make photosynthesis be obstructed.
The chemical name of 2,4- d butyl esters is：2,4 dichlorophenoxyacetic acid butyl ester.2,4- d butyl esters be selectivity it is very strong and
There is the herbicide of Uptake and translocation effect.Gramineous crop Tanaka's monocotyledon weed, dried tuber and some malignant weeds are prevented and kill off mainly.
The content of the invention
It is an object of the invention to provide a kind of broad weed-killing spectrum, the herbicidal composition to control of weeds effect is significant and its should
With.
The present inventor is in research process it was unexpectedly observed that by with different structure types and mechanism of action
Monosulfmeturon, Garagard and 2,4- d butyl ester compounding use, are not in not only that the property of medicine is offset or other side effect, also have on the contrary
There is obvious potentiation, these three components can be improved to a greater degree to annual and perennial grassy weed and broad-leaved
The preventive effect of weeds, while weed control spectrum when these three components are used as single component is expanded, and to crop safety
Property is also high.
First purpose of the present invention is to provide a kind of herbicidal composition, wherein, the activity of the herbicidal composition
Composition contains monosulfmeturon, Garagard and 2,4- d butyl esters.
Second object of the present invention is to provide said herbicidal composition to prevent and treat annual and perennial grass family
Application in weeds and broad leaved weed.
Third object of the present invention is that to provide said herbicidal composition annual and for many years in preventing and treating millet Tanaka
Application in raw grassy weed and broad leaved weed.
Specifically, the herbicidal composition that the present invention is provided, with advantages below：
The herbicidal composition that the present invention is provided shows fabulous potentiation, mixed compositionss compared with its single dose and
Its pair of agent significantly improves herbicidal effect, reduces the using dosage of pesticide, thus reduces the drug cost of peasant and to ring
The influence degree in border.
The herbicidal composition that the present invention is provided expands the weed control spectrum of herbicide, the herbicide group provided using the present invention
Compound can prevent and treat various weeds simultaneously, easy to use efficient, and annual and perennial grassy weed and broad leaved weed are had
Good prevention effect.
The herbicidal composition that the present invention is provided is the compounded combination of the herbicide with the different mechanisms of action, so that
The weeding characteristic of the herbicide of each composition is had complementary advantages well, can effectively delay weeds to the generation of single dose resistance and
Progress.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The active component of the herbicidal composition that the present invention is provided contains monosulfmeturon, Garagard and 2,4- d butyl esters.
In the present invention, the active component includes monosulfmeturon, Garagard and 2,4- d butyl ester, monosulfmeturon, special fourth
The weight ratio of Tianjin and 2,4- d butyl ester can change in very large range, specifically, for example, monosulfmeturon, Garagard and 2,4-
The weight ratio of d butyl ester is 1：10-40：1-10.Although in the present invention, as long as the active component is containing monosulfmeturon, special fourth
Tianjin and 2,4- d butyl ester can be shown that significant synergistic function, but come in terms of the synergistic function is further improved
Consider, the weight ratio of preferred monosulfmeturon, Garagard and 2,4- d butyl ester is 1：15-30：2-8；More preferably monosulfmeturon, special fourth
The weight ratio of Tianjin and 2,4- d butyl esters is 1：18-28：2-7；The more preferably weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters
For 1：18-26：3-6；More preferably the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters is 1：20-24：3-6；Further more
It is preferred that the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters is 1：20-24：4-5；Particularly preferred monosulfmeturon, Garagard
Compare 1 with the weight of 2,4- d butyl esters：20：5 or 1：24：4.
In the herbicidal composition of the present invention, content of the active component in herbicidal composition can be in very big model
Interior change is enclosed, specifically, active component content in the composition is 1-95 weight %, and preferably 5-80 weight % is more excellent
Elect 30-60 weight % as.
In the herbicidal composition of the present invention, in addition to the active ingredient (s, herbicidal composition is generally also containing can in Pesticide Science
The surfactant and carrier of acceptance.
Above-mentioned surfactant can be the various surfactants well known to formulations of pesticide field, and the present invention is preferably newborn
One or more in agent, dispersant and wetting agent.
Other carriers in addition to above-mentioned surfactant can be the various carriers well known to formulations of pesticide field, including each
Plant silicates, carbonate, Sulfateses, oxide-based, phosphoric acid salt, plant vector class, synthetic vectors class.Specifically,
For example：The carrier can be white carbon, Kaolin, kieselguhr, clay, Talcum, organobentonite, Pumex, titanium dioxide, paste
Essence, cellulose powder, precipitated calcium carbonate, soluble starch, corn starch, the mixing of sawdust powder, carbamide, amine fertilizer, carbamide and amine fertilizer
Thing, glucose, maltose, sucrose, Anhydrous potassium carbonate, natrium carbonicum calcinatum, Carbon Dioxide hydrogen potassium, anhydrous sodium bicarbonate, attapulgite
One kind in the mixture of the mixture and natrium carbonicum calcinatum and anhydrous sodium bicarbonate of soil, Anhydrous potassium carbonate and Carbon Dioxide hydrogen potassium
Or it is various.
Mentioned emulsifier can be the various emulsifying agents well known to formulations of pesticide field, and specifically, the emulsifying agent can be
Calcium dodecyl benzene sulfonate, three phenethyl phenol polyoxyethylene ether phosphates, fatty alcohol-polyoxyethylene ether, alkylphenol-polyethenoxy
Ether, alkylphenol-polyethenoxy polyethenoxy ether, fatty amine, the ethylene oxide adduct of fatty acid amide, polyoxyethylene carboxylate,
Rosin acid ethylene oxide adduct, polyol fatty acid ester and its ethylene oxide adduct, styryl phenyl polyoxyethylene ether,
Alkyl phenol formaldehyde resin polyoxyethylene ether, terminal hydroxy group polyoxyethylene poly-oxygen propylene aether, styrylphenol formaldehyde resin, polyoxy second
One or more in alkene polyethenoxy ether and castor oil polyoxyethylene ether.
Above-mentioned dispersant can be the various dispersants well known to formulations of pesticide field, and specifically, the dispersant can be
Acrylate homopolymer sodium salt, Malaysia acid disodium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, rosin segmented polyoxyethylene ether polyoxypropylene
Ether sulfonate, terminal hydroxy group polyoxyethylene poly-oxygen propylene aether block copolymer, three phenethyl phenol polyoxyethylene ether phosphates, fatty alcohol
One or more in polyoxyethylene ether phosphate, p-hydroxyphenyl lignin sulfonic acid sodium salt and calcium lignosulfonate.
Above-mentioned wetting agent can be the various wetting agent well known to formulations of pesticide field, and specifically, the wetting agent can be
Sodium lauryl sulphate, Teepol, dodecylbenzene sodium sulfonate, fatty alcohol-polyoxyethylene ether, alkylnaphthalene sulfonate, alkane
One or more in base phenol resin polyoxyethylene ether sulfate.
The herbicidal composition of the present invention, the herbicidal composition can also be containing commonly used various in formulations of pesticide field
Preparation used additives, specifically, said preparation used additives can for solvent, cosolvent, thickening agent, antifreezing agent, capsule material, protective agent, disappear
One or more in infusion, disintegrating agent, stabilizer, preservative and binding agent.
Above-mentioned solvent can be the various solvents well known to formulations of pesticide field, and specifically, the solvent can be organic molten
One or more in agent, vegetable oil, mineral oil, solvent naphtha and water.
Wherein, the organic solvent includes N-Methyl pyrrolidone, tetrahydrofuran, dimethyl sulfoxide, N, the N- dimethyl last of the ten Heavenly stems
Amide, N,N-dimethylformamide, trimethylbenzene, durene, dimethylbenzene, toluene, octane, heptane, methanol, isopropanol, n-butyl alcohol,
One or more in tetrahydrofurfuryl alcohol, tributyl phosphate, 1,4- dioxane and Ketohexamethylene.
The vegetable oil includes methylated vegetable oils, turpentine-based vegetable oil, Oleum Terebinthinae, epoxy soybean oil, soybean oil, Semen arachidis hypogaeae
One or more in oil, Oleum Brassicae campestriss, Oleum Ricini, Semen Maydis oil and Oleum pini koraiensis.
The mineral oil includes one or more in liquid wax, machine oil, kerosene and lubricating oil.
Meanwhile, above-mentioned solvent can also be used as cosolvent.
Above-mentioned antifreezing agent can be formulations of pesticide field well known to various antifreezing agents, the present invention be preferably ethylene glycol, third
One or more in glycol, glycerol and carbamide.
Above-mentioned thickening agent can be the various thickening agents well known to formulations of pesticide field, and specifically, the thickening agent can be
Xanthan gum, polyvinyl alcohol, POLYPROPYLENE GLYCOL, Polyethylene Glycol, white carbon, kieselguhr, Kaolin, clay, sodium alginate, aluminium silicate
One or more in magnesium, lagoriolite, carboxymethyl cellulose, HPMC and organobentonite.
Above-mentioned capsule material can be formulations of pesticide field well known to various capsule materials, the present invention be preferably polyurethane, polyureas or
Lauxite.
Above-mentioned protective agent can be the various protective agents well known to formulations of pesticide field, of the invention to be preferably polyvinyl alcohol
And/or Polyethylene Glycol.
Above-mentioned defoamer can be the various defoamer well known to formulations of pesticide field, of the invention to be preferably organic silica
One or more in alkane, tributyl phosphate and silicone.
One or more in triphenyl phosphite, epoxychloropropane and acetic anhydride of aforementioned stable agent.
Foregoing preservatives are selected from benzoic acid, sodium benzoate, BIT (abbreviation BIT), Kazon and mountain
One or more in potassium sorbate.
According to the present invention, the dosage form of the herbicidal composition can be for example described to remove with various dosage forms commonly used in the art
The dosage form of careless agent compositionss can be cream, aqueous emulsion, aqueous suspension agent, oil-suspending agent, wettable powder, soluble powder, water
Dispersible granule or soluble granula.Preferably wettable powder.Above-mentioned dosage form can be prepared by the conventional method of this area.
Under preferable case, the cream preparation weight percent consists of active component 1-95%, cosolvent 0-
20%th, emulsifying agent 1-30%, solvent complement to 100%.
The preparation method of above-mentioned cream preparation can for example include mixing each active component, solvent, cosolvent and emulsifying agent
Close stirring and form it into homogeneous transparent oil phase, you can obtain cream preparation.
Under preferable case, the cream preparation weight percent consists of active component 1-95%, cosolvent 0-
20%th, emulsifying agent 1-30%, solvent complement to 100%.
The preparation method of above-mentioned cream preparation can for example include mixing each active component, solvent, cosolvent and emulsifying agent
Close stirring and form it into homogeneous transparent oil phase, you can obtain cream preparation.
Under preferable case, the aqueous emulsion or microemulsion weight percent consist of active component 1-95%, emulsifying
Agent 1-30%, cosolvent 0-30%, solvent 1-30%, antifreezing agent 0-10%, thickening agent 0-10%, water complement to 100%.
Under preferable case, the method for producing aqueous emulsion can for example be included active component, emulsifying agent, cosolvent and molten
Agent mixes so as to become homogeneous oil phase；Water, thickening agent, antifreezing agent etc. are mixed so as to into homogeneous water phase.Under high speed shear,
Water is added to into oil phase or oil phase is added to into water phase, form the aqueous emulsion of favorable dispersibility.
Under preferable case, the preparation method of the microemulsion is to be mixed into active component, emulsifying agent and solvent
One transparent oil phase.Under conditions of stirring.It is gradual to add water so as to form the microemulsion of transparent and homogeneous.
Under preferable case, the aqueous suspension agent weight percent consists of active component 1-95%, surfactant
1-30%, antifreezing agent 1-10%, thickening agent 0.1-5%, water complement to 100%.
Under preferable case, the oil-suspending agent weight percent consists of active component 1-95%, emulsifying agent 1-
30%th, dispersant 0.1%-10%, thickening agent 0.1-5%, oil complement to 100%.
The preparation method of water/oil-suspending agent：With water or oil as medium, active component surfactant and auxiliary agent etc. are added
In sand milling kettle, it is ground to certain particle diameter, filters.Again the thickening agent for measuring is added in ground mother solution, is cut
Cut and be uniformly dispersed.Make oil-suspending agent or aqueous suspension agent.
Under preferable case, the soluble granula, soluble powder, water dispersible granules or wettable powder percentage by weight
Several consist of active component 1-95%, surfactant 1-30%, other carriers complement to 100%.
Wherein, the preparation method of water-dispersible granules and soluble granula is：By each active component, dispersant, wetting agent
With the mix homogeneously such as carrier, then by comminution by gas stream to certain particle diameter, add water and mediated, be eventually adding in comminutor
Pelletize is carried out, after being dried, water-dispersible granules or soluble granula is obtained.
The preparation method of soluble powder and wettable powder is：By each active component, various auxiliary agents and other carriers etc.
Filler is sufficiently mixed, and uses ultra-fine pulverizer disintegrating.
Under preferable case, above-mentioned microcapsule suspending agent weight percent consists of active component 1-95%, solvent 1-
30%th, protective agent 0.1-5.0%, defoamer 0.05-1.0%, capsule material 1-30%, it is dispersant 1-30%, wetting agent 0-30%, anti-
Freeze agent 0-10%, thickening agent 0.1-5%, water and complement to 100%.
Preparation method：Solvent, capsule material are mixed, active component is subsequently adding；Be added into again by protective agent, antifreezing agent,
Emulsifying in the mixture of defoamer and water composition, stirring is until polyreaction is completed；Add thickening agent, dispersant and moistening
Agent, obtains stable microcapsule suspending agent.
In a kind of particularly preferred embodiment of the present invention, the herbicidal composition is wettable powder, and its
Consist of (hereinafter also referred to as formula 1)：
In another kind of particularly preferred embodiment of the present invention, the herbicidal composition is wettable powder, and
Consisting of (hereinafter also referred to as formula 2)：
The present invention also provides said herbicidal composition and is preventing and treating annual and perennial grassy weed and broad leaved weed
In application.
The present invention also provide said herbicidal composition in the annual and perennial grassy weed of preventing and treating millet Tanaka and
Application in broad leaved weed.
Above-mentioned weeds can be one or more in barnyard grass, Ma Tang, Herba Eleusines Indicae, Herba Portulacae, Amaranthus retroflexus and multitude.It is preferred that
Ground, the weeds are one or more in Ma Tang, Herba Eleusines Indicae and multitude.
Particularly, the present inventor has been unexpectedly discovered that, by removing for being provided using above-mentioned formula 1 and formula 2
Careless agent compositionss, it is extremely notable to the prevention effect of barnyard grass, Ma Tang, Herba Eleusines Indicae, Herba Portulacae, Amaranthus retroflexus and multitude, and to crop (example
Such as be millet) safety it is also high.
The herbicidal composition of the present invention can be provided with finished product preparation form, i.e., in compositionss, each material is blended；
Can also be provided with independent dosage form, voluntarily be mixed in bucket or tank using front, and be selected according to the concentration of required active substance
Mix with water to selecting property and be diluted.
The compound that the compositionss of the present invention can also have sterilization, parasite killing or herbicidal performance with other is used in mixed way, and also may be used
It is used in mixed way with nematicide, protective agent, growth regulator, nutrient for plants or soil conditioner.
According to the present invention, after the concrete application process of the herbicidal composition is generally before weed germination or sprouts,
The herbicidal composition of the present invention is applied according to a conventional method to the place of crop and plant growth.The application process for example can be with
For soil closing, stem and leaf spraying etc., application process is simple.The herbicidal composition of the present invention preferably broadcasts rear before seedling carries out soil envelope
Process is closed, while can prevent and kill off.The amount of application of the herbicidal composition that the present invention is provided is with day
Depending on gas bar part or crop condition, generally with active component content as 560-750g/hm2Concentration apply, preferably 650g/hm2
Concentration apply.The amount of application of the herbicidal composition that the present invention is provided is also relevant with extraneous factor such as weather.
The amount of application of the herbicidal composition that the present invention is provided can slow down the impact of weather by using appropriate dosage form.
The present invention is further detailed below by way of specific embodiment, but the present invention is not limited in following realities
Apply example.
In following test case and preparation example, monosulfmeturon is purchased from Tianjin Lv Bao agrochemicals Science and Technology Development Co., Ltd. (purity
For 97.8 weight %).
In following test case and preparation example, Garagard is purchased from Zhejiang Zhongshan Chemical Group Co., Ltd. (purity is 98.0
Weight %).
In following test case and preparation example 2,4- d butyl esters be purchased from Weifang Run Feng chemical inc (purity be 96 weights
Amount %).
Preparation example 1
Each composition is sufficiently mixed according to following formula and wettable powder A1 is obtained after being crushed, wherein, as work
Property composition monosulfmeturon, Garagard and 2,4- d butyl esters weight ratio be 1：20：5, in addition, its active component proportioning is also illustrated that
In table 1 below.
Ju Ti Pei Fang is：
Preparation example 2
Each composition is carried out being sufficiently mixed according to following formula and obtain wettable powder A2, wherein, as active component
The weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters is 1：24：4, in addition, its active component proportioning is also illustrated in following tables
In 1.
Ju Ti Pei Fang is：
Preparation example 3
Each composition is carried out being sufficiently mixed according to following formula and obtain wettable powder A3, wherein, as active component
The weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters is 1：18：2, in addition, its active component proportioning is also illustrated in following tables
In 1.
Ju Ti Pei Fang is：
Preparation example 4
Each composition is carried out being sufficiently mixed according to following formula and obtain wettable powder A4, wherein, as active component
The weight ratio of monosulfmeturon, Garagard and 2,4- d butyl esters is 1：26：6, in addition, its active component proportioning is also illustrated in following tables
In 1.
Ju Ti Pei Fang is：
Prepare comparative example 1-6
Method according to preparation example 1 prepares wettable powder, and except for the difference that active component consumption is as described in Table 1, high
Ridge soil supplies 100 grams, respectively obtains herbicide D1-D6.
Table 1
| Active component | Active component consumption (g) | |
| Preparation example 1 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.7+34+8.5 |
| Preparation example 2 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.52+36.6+6.08 |
| Preparation example 3 | Monosulfmeturon+Garagard+2,4- d butyl esters | 2.1+37.9+4.2 |
| Preparation example 4 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.34+34.84+8.04 |
| Prepare comparative example 1 | Monosulfmeturon | 2.1 |
| Prepare comparative example 2 | Garagard | 37.9 |
| Prepare comparative example 3 | 2,4- d butyl esters | 8.5 |
| Prepare comparative example 4 | Garagard+2,4- d butyl esters | 37.9+8.5 |
| Prepare comparative example 5 | Monosulfmeturon+2,4- d butyl esters | 2.1+8.5 |
| Prepare comparative example 6 | Monosulfmeturon+Garagard | 2.1+37.9 |
Test case 1
Using medicament：The wettable powder that above-mentioned preparation example 1-4 and preparation comparative example 1-6 are obtained, its usage amount are shown in Table 2.
Application method：Application method broadcasts rear before seedling soil spraying treatment for millet, and spraying equipment is that Singapore's profit agriculture is private
The HD400 knapsack sprayers of company limited's production, Fan spray head, pressure are 30PSI, and spouting liquid is 600 liters/hectare.
Field test basic condition：Test is experimental field carried out in academy of agricultural sciences of Hebei province grain and oil crop institute, and soil property is earth
Soil, experimental field front stubble is white stubble, is not used any herbicide, and weeds in field is mainly barnyard grass, Ma Tang, Herba Eleusines Indicae, Herba Portulacae, anti-
Branch Herba Amaranthi tricoloriss and multitude.
Investigation method：After medicine, 40d takes 3 1m per cell2Sampling point point grass seeds investigation weeds fresh weight, calculates fresh weight preventive effect, knot
Fruit is shown in Table 3；
After dispenser, 40d investigates each treatment region millet plant height, fresh weight, calculates average plant height and Weight per plant.Whole cell when ripe
Harvest and survey spike number, fringe weight, count yield, the results are shown in Table 4.
Computing formula：
Weeds fresh weight preventive effect (%)=(check plot weeds fresh weight-treatment region weeds fresh weight)/check plot weeds fresh weight × 100
Plant height suppression ratio (%)=(blank plant height-process plant plant height)/blank plant height × 100
Fresh weight inhibition (%)=(blank fresh weight-process plant fresh weight)/blank fresh weight × 100
In addition, plant height suppression ratio, fresh weight inhibition and yield to crop the results are shown in Table 4.
Table 2
| Medicament | Active component | Every mu of active component consumption (gram/acre) |
| A1 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.7+34+8.5 |
| A2 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.52+36.6+6.08 |
| A3 | Monosulfmeturon+Garagard+2,4- d butyl esters | 2.1+37.9+4.2 |
| A4 | Monosulfmeturon+Garagard+2,4- d butyl esters | 1.34+34.84+8.04 |
| D1 | Monosulfmeturon | 2.1 |
| D2 | Garagard | 37.9 |
| D3 | 2,4- d butyl esters | 8.5 |
| D4 | Garagard+2,4- d butyl esters | 37.9+8.5 |
| D5 | Monosulfmeturon+2,4- d butyl esters | 2.1+8.5 |
| D6 | Monosulfmeturon+Garagard | 2.1+37.9 |
| Control | Non- dispenser |
Table 3
By table 3, A1-A4 has good herbicidal effect, under identical effective dose A1 to weeds fresh weight preventive effect most
Height, next to that A2, A3 and A4.And the medicament that all preparation examples are obtained is better than each weeding for preparing the medicament that comparative example is obtained
Effect.Find there is obvious potentiation to Ma Tang and multitude after ternary is mixed simultaneously, the preventive effect of barnyard grass is also greatly improved.
Table 4
| Process | Plant height suppression ratio (%) | Fresh weight inhibition (%) | Mu spike number (ten thousand fringes) | Per mu yield (Kg/ mus) |
| A1 | 7.7 | 7.4 | 2.83 | 373.3 |
| A2 | 6.3 | 7.8 | 2.81 | 366.2 |
| A3 | 8.4 | 8.5 | 2.75 | 346.7 |
| A4 | 5.8 | 5.2 | 2.73 | 341.3 |
| D1 | 6.7 | 5.1 | 2.56 | 288.2 |
| D2 | 3.4 | 5.6 | 2.47 | 276.8 |
| D3 | 7.9 | 6.5 | 2.32 | 266.3 |
| D4 | 8.1 | 6.1 | 2.63 | 310.6 |
| D5 | 6.3 | 7.3 | 2.60 | 299.8 |
| D6 | 5.4 | 6.5 | 2.68 | 328.2 |
| Blank | 1.92 | 218.3 |
By above-mentioned table 1-4, herbicidal composition provided by the present invention is to the barnyard grass of millet Tanaka, Ma Tang, cattle
Muscle grass, Herba Portulacae, Amaranthus retroflexus and multitude etc. are respectively provided with preferable prevention effect, and the safety to crop (for example, millet)
It is high.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, the present invention range of the technology design in, various simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any between a variety of embodiments of the present invention, can also be carried out, as long as which is without prejudice to this
The thought of invention, which should equally be considered as content disclosed in this invention.
Claims (17)
1. a kind of herbicidal composition, it is characterised in that the active component of the herbicidal composition contains monosulfmeturon, Garagard
With 2,4- d butyl esters, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester is 1：10-40：1-10.
2. herbicidal composition according to claim 1, wherein, content of the active component in herbicidal composition
For 1-95 weight %.
3. herbicidal composition according to claim 2, wherein, content of the active component in herbicidal composition
For 5-80 weight %.
4. herbicidal composition according to claim 3, wherein, content of the active component in herbicidal composition
For 30-60 weight %.
5. according to the herbicidal composition described in claim 1, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester
For 1：15-30：2-8.
6. according to the herbicidal composition described in claim 5, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester
For 1：18-28：2-7.
7. according to the herbicidal composition described in claim 6, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester
For 1：18-26：2-6.
8. according to the herbicidal composition described in claim 7, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester
For 1：20-24：3-6.
9. according to the herbicidal composition described in claim 8, wherein, the weight ratio of monosulfmeturon, Garagard and 2,4- d butyl ester
For 1：20：5 or 1：24：4.
10. the herbicidal composition according to any one in claim 1-9, wherein, the herbicidal composition also includes
Acceptable surfactant and carrier in Pesticide Science.
11. herbicidal compositions according to claim 10, wherein, the dosage form of the herbicidal composition is cream, water and milk
Agent, aqueous suspension agent, oil-suspending agent, wettable powder, soluble powder, water dispersion granule or soluble granula.
12. herbicidal compositions according to claim 10, wherein, the herbicidal composition is wettable powder, and its
Consist of：
13. herbicidal compositions according to claim 10, wherein, the herbicidal composition is wettable powder, and its
Consist of：
Herbicidal composition described in 14. claim 1-13 any one prevent and treat annual and perennial grassy weed and
Application in broad leaved weed.
Herbicidal composition described in 15. claim 1-13 any one is in the annual and perennial grass of preventing and treating millet Tanaka
Application in section weeds and broad leaved weed.
16. applications according to claims 14 or 15, wherein, the weeds are barnyard grass, Herba Digitariae, Herba Eleusines Indicae, Herba Portulacae, anti-
One or more in branch Herba Amaranthi tricoloriss and multitude.
17. applications according to claim 16, wherein, the weeds are one or more in Herba Digitariae and multitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106665611A (en) * | 2016-12-03 | 2017-05-17 | 安徽丰乐农化有限责任公司 | Postemergence weeding composition containing 2-methyl-4-chloro-phenoxyacetic acid isooctyl, florasulam and terbuthylazine for millet seedling |
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Inventor after: Li Zhengming Inventor after: Ju Guodong Inventor after: Kou Junjie Inventor after: Bian Qiang Inventor before: Li Zhengming Inventor before: Ju Guodong Inventor before: Xi Zhen Inventor before: Kou Junjie Inventor before: Bian Qiang |