CN108432786A - A kind of Herbicidal combinations containing Quizalotop-ethyl and diuron - Google Patents
A kind of Herbicidal combinations containing Quizalotop-ethyl and diuron Download PDFInfo
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- CN108432786A CN108432786A CN201810341824.3A CN201810341824A CN108432786A CN 108432786 A CN108432786 A CN 108432786A CN 201810341824 A CN201810341824 A CN 201810341824A CN 108432786 A CN108432786 A CN 108432786A
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
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Abstract
The present invention relates to a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron, the mass percent of two kinds of active components of Quizalotop-ethyl and diuron is 2 20 in the Herbicidal combinations:10 60; the total weight parts of two kinds of active components account for the 12 80% of entire total formulation weight part, and Herbicidal combinations of the invention have significant synergies, and improve the lasting effect of each ingredient single dose; it delays the development of weed resistance; reduce times of repeated use of pesticides, reduce Pesticide use amount, reduces agricultural cost; the Herbicidal combinations are to Crop securify; it is degradable in the environment after lasting period, safety of the composition to second stubble crop is improved, it is significant to ecological environmental protection.
Description
Technical field
The invention belongs to agriculture weeding technique fields, and in particular to a kind of using Quizalotop-ethyl and diuron as active ingredient
Herbicidal combinations, suitable for preventing and kill off the annual gramineous weed and broad leaved weed of Soybean Field, Cotton Fields.
Background technology
Quizalotop-ethyl, also known as smart quizalofopethyl, lid grass spirit.Chemical name：2- [4- (chloro- pyridine -2- the oxygen of 5- trifluoromethyls -3-
Base) phenoxy group] methyl propionate.Its mechanism of action is absorbed by weeds cauline leaf, two-way up and down in plant to pass to,
It is accumulated in top and intercalary meristem, inhibits cell fatty acid synthesis, keeps weeds downright bad.Smart quizalofopethyl is a kind of high speed selection
The novel stem and leaf treating agent in dry farmland of property, has the selectivity of height, on broad leaf crop between grassy weed and dicotyledonous crops
Grassy weed have good preventive effect.Smart quizalofopethyl improves being absorbed by plants property and the mobility in plant, so effect
Speed faster, more stablize, and is not easy to be influenced by environmental conditions such as rainwater, weather and humidity, environmentally safe by drug effect.But
Since Quizalotop-ethyl is used for a long time in Soybean Field, some weeds are to which create serious resistances.
Diuron, chemical name 3- (3,4- dichlorophenyl) -1,1- dimethyl ureas, is phenyl ureagroup herbicides, is had interior
The suction effect of passing to and certain action of contace poison, medicament inhibit photosynthesis after being absorbed by root system of plant or blade, cause leaf chlorosis,
Blade tip and edge fade, and cause plant dead due to a lack of nutrition.It is mainly used for cotton, soybean, tomato, tobacco, strawberry, Portugal
The crops such as grape, orchard, rubber plantation prevent and kill off annual gramineous weed and certain broad leaved weeds, such as non-irrigated barnyard grass, lady's-grass, green bristlegrass, open country
Three-coloured amaranth, nutgrass flatsedge, multitude etc. can also prevent and kill off rice field bog pondweed, four leaf duckweed, fescue etc..
The chemical composition of Herbicide Jing quizalofop-ethyl and diuron, formation and physic-chemical property are all different, to the effect machine of weeds
Reason is also different.The reasonable compounding of the herbicide of different role mechanism is to improve preventive effect, when expanding herbicide controlling spectrum, widening use
Between, delay the speed of shift of weed community, reduce the resistance risk that pesticide single use is brought, mitigates the pollution to environment, drop
Low use cost and a kind of effective ways for reducing herbicide residue, the present inventor attempt to compound Quizalotop-ethyl and diuron,
To observe it whether having a synergistic effect, and its use cost is reduced, is tested by the experiment of a large amount of indoor biometrics and field experiment
Card, find the herbicide raising with obvious effects after compounding by Quizalotop-ethyl and diuron, dosage reduce, reduce it is agricultural at
This, toxicity smaller, residual quantity is less, is more advantageous to environmental protection, experiments have shown that the two compounding has stronger synergistic effect.
Invention content
The purpose of the present invention is enhance the resistance of weeds for traditional herbicide in recent years and herbicide dosage year by year
It is excessive to bring the case where endangering to environment, and provide a kind of good, safe to use, more environmentally friendly weeding of herbicidal effect
Composition.
The present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations containing Quizalotop-ethyl and diuron, active ingredient are Quizalotop-ethyl and diuron, institute
The mass ratio for stating Quizalotop-ethyl and diuron is 2-20:10-60.
This contains the Herbicidal combinations of Quizalotop-ethyl and diuron, and preferred embodiment is the Quizalotop-ethyl and diuron
Mass ratio is 2:30.
This contains the Herbicidal combinations of Quizalotop-ethyl and diuron, and active ingredient Quizalotop-ethyl and diuron account for weeding group
Close the 12-80% of object total weight.Remaining is workable auxiliary element in pesticide.The auxiliary element can be emulsifier, profit
It is several in humectant, dispersant, thickener, antifoaming agent, filler, solvent, antifreezing agent, or for other beneficial to active ingredient in preparation
The substance that middle stabilization and drug effect play.The auxiliary element is beneficial to Herbicidal combinations and the dosage form for being suitble to agriculturally use is made,
Preferred dosage form is missible oil, suspending agent, aqueous emulsion, water dispersible granules and wettable powder.
The emulsifier is nonylphenol polyoxyethylene ether, Nonoxynol-9, Ben-zylphenol Polyoxyethyl Ether, benzene second
One kind or several in alkenyl benzene phenol polyethenoxy ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkyl benzene calcium sulfonate
Kind；
The wetting agent is alkyl sulfate, alkylsulfonate, naphthalene sulfonate, lauryl sodium sulfate, dodecyl
In benzene sulfonic acid sodium salt, sldium lauryl sulfate, fatty alcohol polyoxyethylene ether, octyl phenol polyoxyethylene ether, amber platinum sodium dioctyl sulfo
One or more；
The dispersant is polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkyl phenol polyoxyethylene ether, nonyl
One or more of phenol polyethenoxy ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products；
The solvent is toluene, dimethylbenzene, biodiesel, methanol, ethyl alcohol, n-butanol, isopropanol, solvent naphtha, dimethyl
One or more of sulfoxide, soybean oil, methyl oleate, turpentine-based vegetable oil, rapeseed oil；
The antifreezing agent is one or more of urea, ethylene glycol, glycerine, polyethylene glycol；
The thickener is one or more of xanthans, hydroxymethyl cellulose, methylcellulose, aluminium-magnesium silicate；
The antifoaming agent is one or more of organic silicon defoamer, polyglycerol, polyether-modified silicon defoaming agent；
The filler be white carbon, cornstarch, cornstarch, attapulgite, precipitated calcium carbonate, kaolin, diatomite,
One or more of sodium sulphate, ammonium sulfate.
A kind of Herbicidal combinations containing Quizalotop-ethyl and diuron in prevention Soybean Field, Cotton Fields grassy weed,
The application of broad leaved weed.
A kind of advantageous effect of the Herbicidal combinations containing Quizalotop-ethyl and diuron of the present invention is：1, grass can be prevented and kill off
Section weeds can prevent and kill off broad leaved weed again, and it is narrow in Soybean Field, Cotton Fields herbicide controlling spectrum to solve Quizalotop-ethyl and the use of diuron single dose
The problem of；2, the Herbicidal combinations have significant synergies, and improve the lasting effect of each Cheng Fen Unit agent, effectively improve and remove
Careless effect；3, the apparent generation for delaying herbicide resistance, reduces times of repeated use of pesticides, reduces Pesticide use amount,
Agricultural cost is reduced, reduces the pollution to environment, is of great significance to ecological and environmental protection.
Specific implementation mode
With reference to embodiment, the present invention will be further described, but the present invention is not so limited, the agent in embodiment
Type preparation method is customary preparation methods.
Embodiment 1：12% Quizalotop-ethyl diuron missible oil (2:10)
Quizalotop-ethyl 2%, diuron 10%, turpentine-based vegetable oil 40%, castor oil polyoxyethylene ether 10%, methyl oleate
Complement to 100%
Preparation method：Active constituent Quizalotop-ethyl and diuron are added in solvent turpentine-based vegetable oil after being completely dissolved again
Be added emulsifier castor oil polyoxyethylene ether, with methyl oleate complement to 100% stir evenly after at homogeneous and transparent oily liquid
Body, you can the cream preparation of the present invention is made.
Embodiment 2：20% Quizalotop-ethyl diuron missible oil (8:12)
Quizalotop-ethyl 8%, diuron 12%, dimethyl sulfoxide (DMSO) 30%, Nonoxynol-9 1%, rosin-based are planted
Object oil complements to 100%
Preparation method：Active constituent Quizalotop-ethyl and diuron are added in solvent dimethyl sulfoxide (DMSO) after being completely dissolved and are added again
Enter emulsifier Nonoxynol-9, with turpentine-based vegetable oil complement to 100% stir evenly after at homogeneous and transparent oil
Shape liquid, you can the cream preparation of the present invention is made.
Embodiment 3：32% Quizalotop-ethyl diuron missible oil (2:30)
Quizalotop-ethyl 2%, diuron 30%, solvent naphtha 30%, fatty alcohol polyoxyethylene ether 15%, methyl oleate complements to
100%
Preparation method：Active constituent Quizalotop-ethyl and diuron are added in solvent naphtha after being completely dissolved and add emulsifier
Fatty alcohol polyoxyethylene ether, with methyl oleate complement to 100% stir evenly after at homogeneous and transparent oily liquids, you can be made
The cream preparation of the present invention.
Embodiment 4：27% Quizalotop-ethyl diuron aqueous emulsion (12:15)
Quizalotop-ethyl 12%, diuron 15%, fatty alcohol polyoxyethylene ether 6%, Ben-zylphenol Polyoxyethyl Ether 2%, toluene
20%, water complements to 100%.
Preparation method：Active constituent Quizalotop-ethyl, diuron are added to stir to being completely dissolved in toluene and add emulsification
Agent fatty alcohol polyoxyethylene ether, Ben-zylphenol Polyoxyethyl Ether after mixing, are added water and complement to 100%, high speed shear can
Uniform opaque white mixture is made, you can the water and milk agent formulation of the present invention is made.
Embodiment 5：30% Quizalotop-ethyl diuron aqueous emulsion (20:10)
It is Quizalotop-ethyl 20%, diuron 10%, castor oil polyoxyethylene ether 7%, Ben-zylphenol Polyoxyethyl Ether 2.5%, molten
Agent oil 25%, water complements to 100%.
Preparation method：Active constituent Quizalotop-ethyl, diuron are added to stir to being completely dissolved in solvent naphtha and add breast
Agent castor oil polyoxyethylene ether, Ben-zylphenol Polyoxyethyl Ether after mixing, are added water and complement to 100%, high speed shear,
Uniform opaque white mixture can be made, you can the water and milk agent formulation of the present invention is made.
Embodiment 6：45% Quizalotop-ethyl diuron aqueous emulsion (12:33)
Quizalotop-ethyl 12%, diuron 33%, fatty alcohol polyoxyethylene ether 7.5%, styrylphenol polyoxyethylene ether
3%, toluene 15%, dimethyl sulfoxide (DMSO) 13%, water complements to 100%.
Preparation method：Active constituent Quizalotop-ethyl, diuron are added toluene, stirred in dimethyl sulfoxide (DMSO) to being completely dissolved
Emulsifier fatty alcohol polyoxyethylene ether, styrylphenol polyoxyethylene ether are added, after mixing, water is added and complements to
100%, uniform opaque white mixture can be made in high speed shear, you can the water and milk agent formulation of the present invention is made.
Embodiment 7：50% Quizalotop-ethyl diuron suspending agents (7:43)
Quizalotop-ethyl 7%, diuron 43%, lauryl sodium sulfate 6%, sodium lignin sulfonate 5%, polyoxyethylene nonyl phenyl second
Alkene ether 4%, glycerine 2%, xanthans 0.8%, polyglycerol 0.2%, water complements to 100%.
Preparation method：Wetting agent lauryl sodium sulfate, dispersant wood will be added in active constituent Quizalotop-ethyl, diuron
Quality sodium sulfonate, emulsifier nonylphenol polyoxyethylene ether, antifreeze glycerine, thickener xanthans, antifoaming agent polyglycerol add
Enter water and complement to 100%, carries out being sanded 2-3 hours after stirring, uniform opaque white mixture can be made, i.e., the present invention is outstanding
Floating agent formulation.
Embodiment 8：38% Quizalotop-ethyl diuron suspending agents (18:20)
Quizalotop-ethyl 18%, diuron 20%, neopelex 5%, Negel 6%, poly alkyl alcohol
Ethylene oxide ether 4%, ethylene glycol 3%, aluminium-magnesium silicate 1.5%, organic silicon defoamer 0.3%, water complements to 100%
Preparation method：Wetting agent neopelex, dispersant will be added in active constituent Quizalotop-ethyl, diuron
Negel, emulsifier fatty alcohol polyoxyethylene ether, antifreeze glycol, thickener aluminium-magnesium silicate, organic silicon defoamer,
Water is added and complements to 100%, carries out being sanded 2-3 hours after stirring, uniform opaque white mixture can be made, i.e., it is of the invention
Aqueous suspension formulations.
Embodiment 9：62% Quizalotop-ethyl diuron suspending agents (2:60)
Quizalotop-ethyl 2%, diuron 60%, sldium lauryl sulfate 3%, alkyl benzene calcium sulfonate 1%, aliphatic alcohol polyethenoxy
Ether 2%, urea 2%, hydroxymethyl cellulose 1%, organic silicon defoamer 0.3%, water complements to 100%
Preparation method：Active constituent Quizalotop-ethyl, diuron addition are added into emulsifier fatty alcohol polyoxyethylene ether, nonyl
Base phenol polyethenoxy ether, fatty alcohol polyoxyethylene ether, alkyl benzene calcium sulfonate are added water and complement to 100%, be sanded after stirring
2-3 hours, uniform opaque white mixture, i.e., aqueous suspension formulations of the present invention can be made.
Embodiment 10：65% Quizalotop-ethyl diuron water dispersible granules (17:48)
Quizalotop-ethyl 17%, diuron 48%, alkylsulfonate 2%, polycarboxylate 3%, lignosulfonates 7%, alkane
Base naphthalene sulfonate 2%, kaolin are supplied.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent alkylsulfonate, dispersant polycarboxylate, wood
Mahogany sulfonate, alkylnaphthalene sulfonate, filler kaolin, which is proportionally added into mixer, to be mixed, air-flow crushing to fineness qualification,
Kneading is added water, grain products can be made in granulation drying, you can the water-dispersible grain agent formulation of the present invention is made.
Embodiment 11：59% Quizalotop-ethyl diuron water dispersible granules (4:55)
Quizalotop-ethyl 4%, diuron 55%, alkyl sulfate 2%, polycarboxylate 5%, lignosulfonates 9%, hard charcoal
It is black to supply.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent alkylsulfonate, dispersant polycarboxylate, wood
Mahogany sulfonate, filler kaolin are proportionally added into mixer and mix, and air-flow crushing adds water kneading, make to fineness qualification
Grain products, as water-dispersible grain agent formulation of the invention can be made in grain drying.
Embodiment 12：40% Quizalotop-ethyl diuron water dispersible granules (15:25)
Quizalotop-ethyl 15%, diuron 25%, lauryl sodium sulfate 4%, lignosulfonates 4%, alkyl ethyl sulphur
Hydrochlorate 3%, diatomite are supplied.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent lauryl sodium sulfate, dispersant lignin
Sulfonate, alkyl ethyl sulfonate, filler diatomite, which is proportionally added into mixer, to be mixed, and air-flow crushing is qualified to fineness, then
Water is added to mediate, grain products can be made in granulation drying, you can the water-dispersible grain agent formulation of the present invention is made.
Embodiment 13：66% Quizalotop-ethyl diuron wettable powder (16:50)
Quizalotop-ethyl 16%, diuron 50%, neopelex 5%, polycarboxylate 3%, alkylnaphthalene sulfonate
2.5%, kaolin is supplied.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent neopelex, the poly- carboxylic of dispersant
Hydrochlorate, alkylnaphthalene sulfonate, filler kaolin, which is proportionally added into mixer, to be mixed, and air-flow crushing can be made to fineness qualification
Powdery product, you can the wettable powder formulation of the present invention is made.
Embodiment 14：72% Quizalotop-ethyl diuron wettable powder (14:58)
Quizalotop-ethyl 14%, diuron 58%, alkylsulfonate 2.5%, polycarboxylate 3%, lignosulfonates 8%,
Alkylnaphthalene sulfonate 4%, attapulgite are supplied.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent alkylsulfonate, dispersant polycarboxylate, wood
Mahogany sulfonate, alkylnaphthalene sulfonate, filler attapulgite, which is proportionally added into mixer, to be mixed, and air-flow crushing to fineness closes
Powdery product can be made in lattice, you can the wettable powder formulation of the present invention is made.
Embodiment 15：80% Quizalotop-ethyl diuron wettable powder (20:60)
It is Quizalotop-ethyl 20%, diuron 60%, neopelex 2%, fatty alcohol polyoxyethylene ether 3%, wooden
Plain sulfonate 4%, alkylnaphthalene sulfonate 2%, kaolin are supplied.
Preparation method：By active constituent Quizalotop-ethyl, diuron, wetting agent neopelex, dispersant fat
Alcohol polyoxyethylene ether, lignosulfonates, alkylnaphthalene sulfonate, filler kaolin, which is proportionally added into mixer, to be mixed, air-flow
It is crushed to fineness qualification, powdery product can be made, you can the wettable powder formulation of the present invention is made.
It is raw to survey embodiment 1：Toxicity determination test
(1) test objective：Under room temperature, using pot-culture method, Quizalotop-ethyl and diuron mixture are studied to miscellaneous
The synergy of grass, the rational mixture for Quizalotop-ethyl and diuron provide scientific basis.
(2) test material：Seed storage is collected in grassy weed (barnyard grass, green bristlegrass) field, and broad leaved weed is (black nightshade, grey
Ear, Amaranthus retroflexus) field collection Seed storage, germination percentage is 90% or more.
(3) test apparatus：II type spray towers of 3WT-, BS 124S type a ten thousandths electronic balance, the training of SPX type Intelligent biochemistries
Support case.
(4) test method：It first weighs a certain amount of Quizalotop-ethyl and diuron original drug respectively with electronic balance, acetone is added
The Tween 80 aqueous solution for being fully 0.1% with mass fraction after dissolving dilutes, and single dose mother liquor is respectively prepared；
The weed seed that vernalization shows money or valuables one carries unintentionally in biochemical cultivation case is uniformly placed in flowerpot, 100 are sowed per basin, culture
To the 2-4 leaf phases, liquid is uniformly sprayed with II type spray towers of 3WT-, often processing is repeated 4 times, and weighs each processing weeds within 10 days after spray
Aerial part fresh weight.
With Gowing methods calculate it is each processing hybrid combining theoretical fresh weight inhibition rate (E0=X+Y-X*Y/100), then with
Actual measurement inhibiting rate (E) compares, the mixed synergy type to weeds of both evaluations, makees for synergy when E-E0 values are more than 10%
With it is antagonism to be less than -10%, is addition between -10%~10%.
(5) statistical result is shown in Table 1：
The mixed synergy effect (Gowing methods) to weeds of 1 Quizalotop-ethyl of table, diuron
As can be seen from Table 1, after Quizalotop-ethyl and diuron mixture, the measured value and reason of grassy weed and broad leaved weed
There is apparent gap by value.It is especially 2 in weight ratio:It is 17.34 to grassy weed E-E0 values when 30, it is miscellaneous to broad-leaved
The E-E0 values of grass are 16.82, and being all higher than 10% has synergistic effect.Illustrate that the mixture of Quizalotop-ethyl and diuron is miscellaneous to grass family
The synergy of grass and broad leaved weed belongs to addition or synergistic effect.
It is raw to survey embodiment 2：Prevent and kill off soybean weeds field control effectiveness test
(1) test medicine：
1, embodiment 1：12% Quizalotop-ethyl diuron missible oil (2:10)
2, embodiment 3：32% Quizalotop-ethyl diuron missible oil (2:30)
3, embodiment 5：30% Quizalotop-ethyl diuron aqueous emulsion (20:10)
4, embodiment 9：62% Quizalotop-ethyl diuron suspending agents (2:60)
5, embodiment 15：80% Quizalotop-ethyl diuron wettable powder (20:60)
6,5% Quizalotop-ethyl missible oil
7,80% diuron wettable powder
8, blank control
(2) for studying object：Soybean, big bean seedlings grow fine, robust plant, without other pest and disease damages.
(3) test method：Experiment sets 8 processing, and each processing sets 4 repetitions, and totally 32 processing cells, often handle cell
20 square metres of area, the arrangement of random district's groups, cauline leaf process after seedling, in the weeds 3-5 leaf phases, soybean 1-3 compound leaves, weed growth is vigorous
When directed spraying, field main weeds have：Barnyard grass, lady's-grass, eleusine indica, amur foxtail, green bristlegrass, wild oat, black nightshade, wild amaranth grass,
Nutgrass flatsedge, lamb's-quarters etc..
(4) test objective
1. safety：After dispenser, the growth and development situation of soybean is observed, evaluates herbicidal composition of the present invention to soybean
Safety.
2. herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, 15 days after dispenser, investigates weeds within 30 days at every
Situation records the type and strain number of weeds respectively, calculates weeds strain preventive effect.
(5) test result
1. safety：Observation post administration is applied, Herbicidal combinations treatment region soybean growth of the present invention is normal, plant height, leaf color, leaf age
It is almost the same with blank district, the symptom of chemical damage such as albefaction, dwarfing, deformity are not found, due to effectively preventing, in addition to weeds, avoiding
Weeds strive water, win honour for, strive fertilizer with crop, effectively raise the yield and quality of soybean, Herbicidal combinations of the present invention are being built
It is safe to soybean to discuss use under dosage.
2. herbicidal effect：It is shown in Table 3
Table 3：15 days after medicine, 30 days soybean weeds preventive effects
This field control effectiveness test is the result shows that all have the grassy weed of Soybean Field, broad leaved weed after two kinds of component mixtures
There is preferable preventive effect, it is 2 that average preventive effect, which reaches 85% or more, especially Quizalotop-ethyl and the mass ratio of diuron,:When 30, to field
Between the rates of preventing and kill off of weeds reach 95% or more.Plant does not generate any drug damage and abnormal phenomena within the scope of test measurement, says
It is bright safe to soybean.
It is raw to survey embodiment 3：Prevent and kill off cotton field weed field control effectiveness test
(1) test medicine：
1, embodiment 1：12% Quizalotop-ethyl diuron missible oil (2:10)
2, embodiment 3：32% Quizalotop-ethyl diuron missible oil (2:30)
3, embodiment 5：30% Quizalotop-ethyl diuron aqueous emulsion (20:10)
4, embodiment 9：62% Quizalotop-ethyl diuron suspending agents (2:60)
5, embodiment 15：80% Quizalotop-ethyl diuron wettable powder (20:60)
6,5% Quizalotop-ethyl missible oil
7,80% diuron wettable powder
8, blank control
(2) for studying object：Cotton, cotton seedling grow fine, robust plant, without other pest and disease damages.
(3) test method：Experiment sets 8 processing, and each processing sets 4 repetitions, and totally 32 processing cells, often handle cell
20 square metres of area, random district's groups arrangement, in the cotton 3-5 leaf phases, directed spraying when weed growth is vigorous, field main weeds
Have：Barnyard grass, lady's-grass, green bristlegrass, purslane, Amaranthus retroflexus etc..
(4) test objective
1. safety：After dispenser, the growth and development situation of cotton is observed, evaluates herbicidal composition of the present invention to cotton
Safety.
2. herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, 15 days after dispenser, investigates weeds within 30 days at every
Situation records the type and strain number of weeds respectively, calculates weeds strain preventive effect.
(5) test result
1. safety：Observation post administration is applied, Herbicidal combinations treatment region cotton growth of the present invention is normal, plant height, leaf color, leaf age
It is almost the same with blank district, the symptom of chemical damage such as albefaction, dwarfing, deformity are not found, due to effectively preventing, in addition to weeds, avoiding
Weeds strive water, win honour for, strive fertilizer with crop, effectively raise the yield and quality of cotton, Herbicidal combinations of the present invention are being built
Use is to cotton safety under view dosage.
2. herbicidal effect：It is shown in Table 4
Table 4：15 days after medicine, 30 days Cotton Fields weed control efficacies
This field control effectiveness test is the result shows that all have the grassy weed in cotton field, broad leaved weed after two kinds of component mixtures
Preferable preventive effect, it is 2 that average preventive effect, which reaches 85% or more, especially Quizalotop-ethyl and the mass ratio of diuron,:When 30, to field
The rate of preventing and kill off of weeds reaches 95% or more.Plant does not generate any drug damage and abnormal phenomena, explanation within the scope of test measurement
To cotton safety.
Claims (5)
1. a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron, it is characterised in that the Herbicidal combinations with Quizalotop-ethyl and
Diuron is that the mass ratio of principle active component, wherein Quizalotop-ethyl and diuron is：2-20:10-60.
2. a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron according to claim 1, it is characterised in that the group
It is preferably 2 to close the mass ratio of Quizalotop-ethyl and diuron in object：30.
3. a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron according to claim 1 or 2, it is characterised in that essence
The total weight percentage composition of both quizalofop-ethyl and diuron in Herbicidal combinations is 12-80%.
4. a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron according to claim 1 or 2 or 3, feature exist
In the pesticidal preparations dosage form that the Herbicidal combinations can be configured to be missible oil, suspending agent, aqueous emulsion, water dispersible granules and can
Wet powder.
5. a kind of Herbicidal combinations containing Quizalotop-ethyl and diuron according to claim 1, it is characterised in that：This is removed
The application of careless composition grassy weed and broad leaved weed in preventing and kill off Soybean Field, Cotton Fields.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810341824.3A CN108432786A (en) | 2018-04-16 | 2018-04-16 | A kind of Herbicidal combinations containing Quizalotop-ethyl and diuron |
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| CN112438255A (en) * | 2020-12-03 | 2021-03-05 | 安徽广信农化股份有限公司 | Production method of diuron water dispersible granules |
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