CN106106474A - A kind of cornfield weeding composition and application thereof - Google Patents
A kind of cornfield weeding composition and application thereof Download PDFInfo
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- CN106106474A CN106106474A CN201610454165.5A CN201610454165A CN106106474A CN 106106474 A CN106106474 A CN 106106474A CN 201610454165 A CN201610454165 A CN 201610454165A CN 106106474 A CN106106474 A CN 106106474A
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- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 1
- 229940073769 methyl oleate Drugs 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000004533 oil dispersion Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- GQYBCIHRWMPOOF-UHFFFAOYSA-N p-hydroxyphenylpyruvic acid Natural products OC(=O)C(O)=CC1=CC=C(O)C=C1 GQYBCIHRWMPOOF-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- QIIPQYDSKRYMFG-UHFFFAOYSA-N phenyl hydrogen carbonate Chemical compound OC(=O)OC1=CC=CC=C1 QIIPQYDSKRYMFG-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- RKCAIXNGYQCCAL-UHFFFAOYSA-N porphin Chemical compound N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 RKCAIXNGYQCCAL-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to technical field of pesticide, be specifically related to a kind of cornfield weeding composition and application thereof.It is one or more in the double acid of benzene azoles, cymolsulfamide, mefenpyrdiethyl, furilazole that described compositions comprises effective active components A benzene azoles fluorine oxadiazon, effective active composition B fluthiacet and safener compound C, safener compound C.In described Herbicidal combinations the weight/mass percentage composition of A, B, C account for total amount for 1% 95%, preferably 10% 85%.Described Herbicidal combinations can effectively prevent and kill off corn field common weed, and especially ALS inhibitor being produced the Herba Digitariae of resistance, Herba Eleusines Indicae, Herba Setariae Viridis etc. has notable preventive effect.The Herbicidal combinations that the present invention provides can expand weed control spectrum, reduces usage amount, can slow down again weeds drug resistance and drug-fast generation and development, have important economic worth and social meaning.
Description
Technical field
The invention belongs to pesticide field, be specifically related to one group of cornfield weeding composition comprising benzene azoles fluorine oxadiazon.
Background technology
Chemical weed control is the anti-a good appetite suddenly appearing in a serious disease of farmland weed means the most economic, effective.But the long-term ground of high dose continuously uses single
One kind or the chemical herbicide of single model of action, easily cause the problems such as weeds drug resistance and resistance evolution.Herbicide chemical combination
The rationally compounding or mixture of thing have expansion weeds spectrum, improve preventive effect, delay weeds drug resistance and drug-fast generation with
The advantages such as development, are one of maximally efficient methods solving the problems referred to above.
Fluthiacet is by the corn and soybean Tian Miaohou herbicide of combinatorial chemistry company of Japan exploitation, belongs to protoporphyrinogen
Oxidase (Protox) inhibitor, the effect preventing and kill off the broad leaved weeds such as corn field Herba Abutili, Herba chenopodii, smartweed, Amaranthus retroflexus can reach 90%,
The preventive effect of the broad leaved weeds such as field thistle, Herba Sonchi Arvensis, Herba Commelinae is only had 50%, to grassy weed barnyard grass, Herba Digitariae, Herba Setariae Viridis etc.
The most do not prevent and kill off effect.In use, easily causing the jaundice of Semen Maydis blade tip, there is the poisoning such as speckle of burning, agent in blade
Measure conference and cause the underproduction because poisoning is serious.Benzene azoles fluorine oxadiazon is typical HPPD inhibitor.P _ Hydroxyphenyl pyruvic acid is double
Oxidase (HPPD) is continue acetyl-CoA carboxylase (ACCase) inhibitor, acetolactate synthestase (ALS) inhibitor and former porphin
The another class new herbicides found after quinoline former oxidase (Protox) inhibitor etc..The action character of HPPD inhibitor is tool
Having the activity of weeding of wide spectrum, before bud and all can use after bud, weeds are dead after there is albefaction.Use HPPD inhibitor class weeding
Agent, Weed Resistance risk is significantly less than ALS inhibitor, and there is not target with other mechanism of action such as conventional ALS inhibitor
The cross resistance that mark resistance causes.
Herbicide-safener (Safener), also referred to as antidote (Antidote) or protective agent (Protectant), be to have uniqueness
The chemical substance of performance.Herbicide-safener be do not affect herbicide to target weeds activity on the premise of, protect selectively
Protect crop and exempt from herbicide damage, thus strengthen the crop tolerance to herbicide, increase the herbicide safety to crop.
The states such as the U.S., Germany, Switzerland, Japan, Canada, Russia, Korea S and Hungary are more to the research of herbicide-safener, in
State starts late, and just starts this research at the end of the eighties.
Herbicide-safener, can be divided into dichloroacetyl amine, oxime ethers, carboxylic acid derivates class, sulfonic acid derivative by compounds category
Species, azoles, thiazole and other heterocyclic compound, ketone and derivative etc.；Naphthoic acid anhydride, dichloroacetyl can be divided into by structure
Amine, oxime ethers, heterocyclic, sulfonylureas (amine) class, plant growth regulator class, classes of herbicides and antibacterial class etc.；By effect
Mode can be divided into action principle: conjunction type, breakdown type, antagonism type, offset-type etc..
Along with the extensive application of herbicide, herbicide damage problem constantly occurs, herbicide-safener is existed urgent needs.Remove
Grass agent safener includes amide-type, carbamates, phenoxy carboxylic acid, aryloxyphenoxypropanoates class, sulfonylurea, sulfonamide
Class, imidazolone type, cyclohexanedione class, isoxazole diones, sym-trinitrobenzene etc..Protection crop mainly have Semen Maydis, Oryza sativa L.,
Sorghum vulgare Pers., Semen Maydis, Semen Maydis, rye (Secale cereale L.), Cotton Gossypii, Semen sojae atricolor etc..
The herbicide of corn field application at present mainly has the minority kind such as nicosulfuron, mesotrione.Both herbicides are at jade
Using the most for many years on rice, the resistance problem of nicosulfuron is started to highlight by weeds, and mesotrione activity is low, weed control spectrum is narrow, especially
It is setaria weeds weak effect, production is needed badly safety height, broad weed-killing spectrum, can solve the problem that the product of resistant weed problem
Kind.
Summary of the invention
The present invention seeks to: provide one group of cornfield weeding composition comprising benzene azoles fluorine oxadiazon, it is achieved to corn field horse
Effectively preventing and kill off of the common weed such as Tang, barnyard grass, green Herba Setariae Viridis, Amaranthus retroflexus, Herba Portulacae, Herba Acalyphae, Herba Abutili, Herba chenopodii, and ALS is pressed down
Preparation produces preventing and kill off of the resistant weeds such as the Herba Digitariae of resistance, Herba Eleusines Indicae, green Herba Setariae Viridis, expands weed control spectrum, reduces the applications of pesticide
Amount, raising are to problems such as crop safety, solution herbicide resistances.
For solving the above-mentioned problems in the prior art, the present invention is achieved through the following technical solutions:
A kind of cornfield weeding composition and application thereof, it is characterised in that: described Herbicidal combinations includes that weeding effective active becomes
Dividing A benzene azoles fluorine oxadiazon, B fluthiacet and C safener compound, described safener compound is that double benzene azoles is sour, to different
One or more in propyltoluene sulfonamide, mefenpyrdiethyl, furilazole.Wherein, the weight ratio of A:B:C is 1-100:
The weight ratio of 1-100:1-100, preferably A:B:C be the weight ratio of 1-30:1-30:1-30, more preferably A:B:C be 1-20:1-20:
1-20, in the range of the weight ratio limited, A obtains the technique effect of Synergistic, safener with active component B mixture
Compound C plays the good improved safety to crop.
In described Herbicidal combinations, the weight/mass percentage composition of A, B, C accounts for the 1-95% of total amount, preferably 10-85%.Generally, the present invention
Herbicidal combinations comprise the active component of 1-95 weight portion and the pesticide conven-tional adjuvants of 5-99 weight portion.
The conven-tional adjuvants of described Herbicidal combinations can be carrier, surfactant etc..
Described carrier represents a kind of organic or inorganic, naturally occurring or synthetic material.They contribute to using of active component, this load
Body is usually inert and must be the most acceptable, and particularly processed plant is accepted.Carrier can be solid
, such as potter's clay, naturally occurring or synthetic silicate, silicon dioxide, resin, wax, solid fertilizer etc.；Or liquid, such as water, alcohol
Class, ketone, petroleum distillate, aromatic hydrocarbons or wax hydrocarbon, chlorohydrocarbon, liquefied gas etc..
Described surfactant can include emulsifying agent, dispersant or wetting agent, and it can be ion-type or nonionic.Can carry
And example be the salt of polyacrylic salt, lignosulfonates, phenolsulfonic acid or LOMAR PWA EINECS 246-676-2, oxirane and aliphatic alcohol or
With aliphatic acid or with aliphatic amine and the polymer of fortified phenol (particularly alkylphenol or aryl phenol), 2-Sulfosuccinic acid
Salt, taurine derivatives (particularly taurine alkane fat) and the phosphate ester of phenol of alcohol phosphate or multi-hydroxy ethyl, alkyl
Sulfonate, alkylaryl sulfonates, alkyl sulfate, lauryl ether sulfate, aliphatic alcohol sulfate, and sulphation 16-,
17-and octadecanol and sulphated fatty alcohol glycol ether, in addition with naphthalene or LOMAR PWA EINECS 246-676-2 and phenol and the condensation of formaldehyde
Thing, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol or nonyl phenol, alkyl phenyl polyglycol ether, three fourths
Base phenyl polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, alcohol and fatty alcohol/ethylene oxide contracting
Compound, ethoxylated castor oil, polyoxyethylene alkyl ether, ethoxylation polyoxypropylene, lauryl alcohol polyglycol ether acetal, Pyrusussuriensis
Alcohol ester, lignin sulfite waste liquor, and protein, Denatured protein, polysaccharide (such as methylcellulose), Hydrophobic Modified Starch,
Polyvinyl alcohol, polycarboxylate, poly-alkoxylation thing, polyvinylamine, polyvinylpyrrolidone and copolymer thereof.At least need one
Surfactant exists, with the dispersion in water of the beneficially active component and be conducive to enabling them to correctly be applied to plant.
Described Herbicidal combinations also can be containing other components various, such as protecting colloid, binding agent, thickening agent, thixotropic agent, infiltration
Agent, stabilizer, chelating agen, dyestuff, coloring agent and polymer.
Described Herbicidal combinations through dilution or directly can be used before use by user.Its preparation can be by common processing side
Prepared by method, will add surfactant such as dispersant, stable after active substance mixes with liquid flux or solid carrier
One or more in agent, wetting agent, binding agent, defoamer etc..
The concrete preparation of described Herbicidal combinations is wettable powder, dispersible oil-suspending agent, suspending agent, suspension emulsion, cream, water
Dispersible granule (dry suspending agent), aqueous emulsion, microemulsion.Above-mentioned formula Central Plains medicine, safener, solvent, emulsifying agent are added mother solution
In modulation kettle, prepare homogeneous oil phase, the mix homogeneously such as deionized water, antifreeze is injected in product modulation kettle, through high-speed stirred,
Mix homogeneously makes the microemulsion product that the present composition is transparent or semitransparent.
In brief, the compositions of the present invention conventional use of solid and liquid additive can be mixed with in the formula of prior art
Close.
Herbicidal combinations of the present invention can be applied on pending plant leaf blade by the method for spraying, is i.e. applied to miscellaneous
Grass, on the surface of the weed infestation being particularly harmful to plant growth or easily invasion impact.Discovery, institute of the present invention is probed into through test
State and there is notable potentiation between the effective active composition A of Herbicidal combinations and effective active composition B.Synergistic effect shows as
Amount of application reduce, broader Weeds distribution spectrum, herbicide effect faster, more longlasting.
The beneficial effect that the present invention realizes:
(1) Herbicidal combinations of the present invention is environmental friendly corn field herbicidal, is prone to degraded in the environment, to working as stubble
Semen Maydis and succession crop are the safest.
(2) Herbicidal combinations of the present invention have low cost, easy to use, with promote feature, have huge economy
Benefit and social benefit.
(3) compared with prior art, Herbicidal combinations of the present invention can prevent and kill off non-resistance grassy weed, and it is right to prevent and kill off again
ALS inhibitor produces the grassy weeds such as the barnyard grass of resistance, Herba Setariae Viridis, is the effective scheme of corn field weed resistance management.
Detailed description of the invention
Below in conjunction with specific embodiment, present invention is further elaborated, but the scope of the present invention, ability can not be limited
The general change that patent of the present invention is done by territory those skilled in the art, all falls equivalence in patent claims institute of the present invention
The scope limited.
A, embodiment
1.1) 55% benzene azoles fluorine oxadiazon fluthiacet dispersibles oil-suspending agent
Formula consists of: 50% benzene azoles fluorine oxadiazon+5% fluthiacet+1.25% pair benzene azoles acid+3% phenethyl phenol gathers
Oxygen vinyl Ether phosphate ester triethanolamine salt+4% polyoxyethylene carboxylate+5% castor oil polyoxyethylene ether
+ 2% thickening agent organobentonite+methyl oleate is supplied.
Process equipment: mixing kettle, colloid mill, sand mill, cutter etc..
The course of processing: put into by all materials in mixing kettle, crosses colloid mill, enters three grades of sand of sand mill afterwards after stirring mixing
Mill, finally shears in cutter and is uniformly finished product.
1.2) 40% benzene azoles fluorine oxadiazon fluthiacet suspending agent
Formula consists of: 35% benzene azoles fluorine oxadiazon+5% fluthiacet+9%cyprosulfamide+6% lignin sulfonic acid
Sodium+3% pulls open powder+0.5% xanthan gum+4.5% glycerol+excess water and supplies.
Process equipment: mixing kettle, cutter, colloid mill, sand mill etc..
The course of processing: benzene azoles fluorine oxadiazon, fluthiacet, cyprosulfamide and auxiliary agent etc. are put in mixing kettle, stirring
Cross colloid mill after mixing, enter sand mill three-level sanding afterwards, obtain finished product.
1.3) 70% benzene azoles fluorine oxadiazon fluthiacet water dispersible granules
Formula consists of: 60% benzene azoles fluorine oxadiazon+10% fluthiacet+15% mefenpyrdiethyl+5% naphthalenesulfonate+3%
Pull open powder+1% disintegrating agent polyvinyl alcohol+filler kieselguhr to supply.
Process equipment: jet mill, coulter type mixer, basket comminutor, drying baker, screening machine etc..
The course of processing: above-mentioned material mix homogeneously is crossed comminution by gas stream, adds and mediates, and is dried after pelletize, and final sizing is become
Product.
B, the test of pesticide effectiveness
1) experimental condition
1.1), for examination target
Barnyard grass (Echinochloa crusgalli), green Herba Setariae Viridis (Setaria viridis), Herba chenopodii (Chenopodium
Album), Herba seu Flos Convolvuli arvensis (Convolvulus arvensis) picks up from Tai'an Institute of Agricultural Sciences experimental plot.Above-mentioned weeds are adopted
Cultivating with pot-culture method, with 180 х 140mm plastic nutritional alms bowls, be placed in enamel tray, built-in adopting from farmland backs through air-dried sieving
Topsoil (at 4/5), the soil moisture initial stage all controls, 20%, to select the weed seed that full seed is homogeneous, by 25 DEG C of temperature
Water soaking 6 hours, accelerating germination in 28 DEG C of biochemical cultivation cases (dark), the weed seed just showed money or valuables one carries unintentionally uniformly is placed in soil table
Face, then earthing 0.7cm.Chemicals treatment is placed on controlled sunlight indoor cultivation, periodically adds a certain amount of in enamel tray
Water, keeps ground moistening.
1.2), condition of culture
Carry out in controlled heliogreenhouse, temperature 18～30 DEG C, natural lighting, relative humidity 57%～72%.
Soil types is loam, and the content of organic matter is 1.63%, pH=7.1, alkali-hydrolyzable nitrogen 84.3mg/kg, rapid available phosphorus 38.5mg/
Kg, available potassium 82.1mg/kg.
1.3), instrument and equipment
3WP-2000 type walking spray tower, Nanjing Agricultural Machinery Inst., Ministry of Agriculture.GA110 type ten thousand/electronic balance
(German)；ZDR2000 intelligent data monitor (Hangzhou Ze great Instrument Ltd.)；SPX type Intelligent biochemistry incubator (Ning Bojiang
South instrument plant)
2) EXPERIMENTAL DESIGN
2.1), reagent
2.1.1), test medicine
Required active component is commercially available former medicine.
Former medicine all uses dimethylformamide to make solvent, dilutes with content 0.1% emulsifying agent T-80 aqueous solution, existing with existing dilution.
2.2), test processes
2.2.1), dosage is arranged
When determining A and each component proportion of active component B or content, should weigh from the action character of two kinds of medicaments and virulence etc. thereof
Amount, it is also contemplated that the main application target of this formula.This research on the basis of early stage prerun, if A, active component B are alone and
Mixing consumption is shown in Table lattice respectively, designs 15 groups altogether.Using without medicament, water containing same solvent and emulsifying agent as blank.
2.2.2), test repeats
Often process and be repeated 4 times, the most often process 3 basins, every basin sowing weed seed 20, often process totally 60 strain.
2.3), processing mode
2.3.1), time and number of times are processed
Test shares medicine 1 time.Treat weeds 2 leaf 1 heart stage, thinning, keep weeds 15 strain in every basin, often process and retain 45 strains, then
Continue cultivation to process to barnyard grass, green Herba Setariae Viridis 3 leaf 1 heart stage.
2.3.2), use apparatus and administrated method
Cultured examination material is uniformly placed on the platform of area 0.5m2, sprays with 3WP-2000 type walking spray tower stem and leaf
Mist, spouting liquid is based on 30 liters/mu.Atomisation pressure 0.3MPa.After whole liquid medicine jets are complete, close gas check valve, after 30 seconds, open spraying
Pyller, takes out nutritive cube.Then open air valve, spray clear water 50ml, clean sparge pipe.
3) test method
Use pot-culture method.Weeds are cultivated and see 1.1, carry out with reference to " farm-chemical indoor determination test rule herbicide ".Use prescription
Method is shown in 2.3.2, uses stem and leaf facture.
4), data survey and statistical analysis
4.1), investigation method
Use absolute number survey method, cut off survival weeds whole strain seedling with blade along soil surface, weigh weeds with analytical balance
Fresh weight.For dead weeds, it is based on zero by fresh weight.
4.2), control time and number of times
Process investigation in latter 20 days, altogether investigation 1 time.
4.3), data statistic analysis
The theoretical fresh weight inhibition (E0=X+Y-X*Y/100) of each process hybrid combining is calculated, then with actual measurement by Gowing method
Suppression ratio (E) compares, and evaluates the two mixed synergy type to weeds, when E-E0 value more than 10% be potentiation,
It is antagonism less than-10%, is addition between-10%～10%.And according to actual preventive effect and herbicide feature, join
The factors such as the balance of side determine optimum proportioning.
In formula X be A consumption be fresh weight inhibition during P；Y be active component B consumption be fresh weight inhibition during Q.
Statistical result see table:
The mixed actual preventive effect to weeds of table 1 and synergy effect (Gowing method)
The mixed actual preventive effect to weeds of table 2 and synergy effect (Gowing method)
By table 1, table 2 it can be seen that after benzene azoles fluorine oxadiazon and fluthiacet are compounding, benzene azoles fluorine oxadiazon can be significantly improved to barnyard grass
The preventive effect of Herba Setariae Viridis careless, green, has notable potentiation.Meanwhile, this Herbicidal combinations can effectively prevent and kill off benzene azoles fluorine grass
The broad leaved weeds Herba chenopodii of the anti-heterodyne of ketone, Herba seu Flos Convolvuli arvensis, and then expand weed control spectrum.
C, field, land for growing field crops preventive effect
1) preventive effect to corn field main weeds
In the weeds 3-5 leaf phase, stem and leaf spray pesticide, to the water yield 30 liter/mu.
30d after medicine, the fresh weight preventive effect to various weeds.
Table 3 field demonstration preventive effect
As can be seen from Table 3, the present composition is good to corn field weed broad weed-killing spectrum, preventive effect, and consumption is few, can be effective
Solve benzene azoles fluorine oxadiazon, fluthiacet is used alone the problem that weed control spectrum is narrow, preventive effect is low, dosage is high.Meanwhile, ratio is existing
4% nicosulfuron having dispersibles oil-suspending agent, 10% mesotrione oil dispersion processes preventive effect height, broad weed-killing spectrum.
2) corn safety is tested
During Semen Maydis 3 leaf 1 heart, the weeds 3-5 leaf phase, hand sprayer, the amount of being watered 30 liters pounds/acre, use stem and leaf spraying even spraying,
Often processing and be repeated 4 times, safety conditions is shown in Table 4.
Table 4 safety conditions
Poisoning classification: 1 grade: plant growth is normal, without any damage symptoms；
2 grades: the slight poisoning of crop, poisoning is less than 10%；
3 grades: the medium poisoning of crop, can recover later, not affect yield；；
4 grades: chemical injury of crops is heavier, it is difficult to recover, cause the underproduction；
5 grades: chemical injury of crops is serious, it is impossible to recover, cause Severe Reduction or total crop failure.
As can be seen from the above table, the present composition is good to corn safety, and consumption is few, can effectively solve fluthiacet list
Solely use the problem to corn safety difference.
D, the preventive effect test of antagonism weeds
Test is selected and ALS inhibitor nicosulfuron is produced the green Herba Setariae Viridis (Setaria viridis) of resistance, Herba Digitariae
(Digitaria sanguinalis), Herba Eleusines Indicae (Eleusine indica) seed, as subjects, above-mentioned seed in
Within 2015, it is collected in proving ground, Tai'an, Shandong Province.
Test method:
Weed seed is unified accelerating germination, by the confession examination weed seed uniform broadcasting of pretreatment in soil surface.Dispenser is advanced in the ranks
Seedling, every basin final singling to 30 strains, each process 4 basin examination material.Weeds carry out stem and leaf spraying treatment, and investigation weeds aerial parts is fresh
Weight, calculates weeds fresh weight preventive effect (in table, fresh weight preventive effect is the meansigma methods repeated for 4 times), statistical test situation after testing 30 days.
Table 5 resistant weed preventing iron test result
As can be seen from Table 5, Herbicidal combinations of the present invention can effectively prevent and kill off corn field resistant weed Herba Digitariae, Herba Eleusines Indicae, green
Color Herba Setariae Viridis.
Through lot of experiments with exploration it follows that A and active component B, safener compound C are mixed, after corn field Seedling
Prevent and kill off grassy weed, between effective active composition, there is potentiation, to grassy weeds such as barnyard grass, green Herba Setariae Viridis and
It is notable that the broad leaved weedses such as Herba chenopodii, Herba Abutili, Herba seu Flos Convolvuli arvensis prevent and kill off potentiation.The cornfield weeding composition that the present invention provides, reduces piperazine
Grass formic acid esters dosage, improves corn safety, and reasonable compounding reduces agricultural cost, miscellaneous to ALS inhibitor resistance
Natural plant height is imitated, and has good application prospect.
Claims (7)
1. cornfield weeding composition and application thereof, it is characterised in that: described Herbicidal combinations effective ingredient comprises A benzene azoles
Fluorine oxadiazon, B fluthiacet and safener C, described safener selected from for double benzene azoles acid, cymolsulfamide,
In mefenpyrdiethyl, furilazole one or more.
Herbicidal combinations the most according to claim 1, it is characterised in that: effective active composition A: effective active composition B: peace
The mass ratio of full agent C is 1-100:1-100:1-100.
Herbicidal combinations the most according to claim 1, it is characterised in that: effective active composition A: effective active composition B: peace
The mass ratio of full agent C is 1-40:1-40:1-40.
Herbicidal combinations the most according to claim 1, it is characterised in that: effective active composition A: effective active composition B: peace
The mass ratio of full agent C is 1-20:1-20:1-20.
Herbicidal combinations the most according to claim 1, it is characterised in that: the matter of A, B, C in described Synergistic herbicide compositions
Amount percentage composition accounts for the 1-95%, preferably 10-85% of total amount.
Herbicidal combinations the most according to claim 1, it is characterised in that: the concrete preparation of described Herbicidal combinations is breast
Oil, suspending agent, microemulsion, suspension emulsion, aqueous emulsion, dispersible oil-suspending agent, wettable powder or water dispersible granules.
7. the Herbicidal combinations as described in claim 1-6 any one, it is characterised in that: described compositions is preventing and kill off corn field
Common weed such as Herba Digitariae, barnyard grass, green Herba Setariae Viridis, Amaranthus retroflexus, Herba Portulacae, Herba Acalyphae, Herba Abutili, Herba chenopodii effect notable, ALS is pressed down
Preparation produces the weeds such as Herba Digitariae, Herba Eleusines Indicae of resistance, Herba Setariae Viridis has notable preventive effect, to corn safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454165.5A CN106106474A (en) | 2016-06-21 | 2016-06-21 | A kind of cornfield weeding composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454165.5A CN106106474A (en) | 2016-06-21 | 2016-06-21 | A kind of cornfield weeding composition and application thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106106474A true CN106106474A (en) | 2016-11-16 |
Family
ID=57471200
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610454165.5A Withdrawn CN106106474A (en) | 2016-06-21 | 2016-06-21 | A kind of cornfield weeding composition and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018201523A1 (en) * | 2017-05-02 | 2018-11-08 | 青岛清原化合物有限公司 | Amorphous oxacillin fluridone and preparation method and use thereof |
| CN110973141A (en) * | 2019-12-25 | 2020-04-10 | 河北省农林科学院粮油作物研究所 | Weeding composition, weeding preparation and application thereof |
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|---|---|---|---|---|
| CN88101455A (en) * | 1987-03-17 | 1988-09-28 | 日产化学工业株式会社 | Pyrazole derivatives and herbicides containing the same |
| WO1998042648A1 (en) * | 1997-03-24 | 1998-10-01 | Dow Agrosciences Llc | 2-benzoylcyclohexane-1,3-dione compounds and their use as herbicides |
| CN105503728A (en) * | 2015-12-31 | 2016-04-20 | 青岛清原化合物有限公司 | Pyrazole compounds or salts thereof and preparation method thereof, and weedicide composition and application thereof |
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2016
- 2016-06-21 CN CN201610454165.5A patent/CN106106474A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101455A (en) * | 1987-03-17 | 1988-09-28 | 日产化学工业株式会社 | Pyrazole derivatives and herbicides containing the same |
| WO1998042648A1 (en) * | 1997-03-24 | 1998-10-01 | Dow Agrosciences Llc | 2-benzoylcyclohexane-1,3-dione compounds and their use as herbicides |
| CN105503728A (en) * | 2015-12-31 | 2016-04-20 | 青岛清原化合物有限公司 | Pyrazole compounds or salts thereof and preparation method thereof, and weedicide composition and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018201523A1 (en) * | 2017-05-02 | 2018-11-08 | 青岛清原化合物有限公司 | Amorphous oxacillin fluridone and preparation method and use thereof |
| CN110973141A (en) * | 2019-12-25 | 2020-04-10 | 河北省农林科学院粮油作物研究所 | Weeding composition, weeding preparation and application thereof |
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