CN106973933A - A kind of efficient Herbicidal combinations and its application - Google Patents
A kind of efficient Herbicidal combinations and its application Download PDFInfo
- Publication number
- CN106973933A CN106973933A CN201710368029.9A CN201710368029A CN106973933A CN 106973933 A CN106973933 A CN 106973933A CN 201710368029 A CN201710368029 A CN 201710368029A CN 106973933 A CN106973933 A CN 106973933A
- Authority
- CN
- China
- Prior art keywords
- propachlor
- herbicide
- active component
- weeds
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
Abstract
The invention discloses a kind of efficient Herbicidal combinations, including the first active component propachlor and the second active component, second active component is selected from bentazone, fluroxypyr or ethoxysulfuron.Present invention also offers a kind of herbicide and the method for preventing and kill off weeds in rice field, the present invention is proved by the data of substantial amounts of experiment and correlation, single active compound is coordinated by rational method can be greatly enhanced herbicidal effect, and expand herbicide controlling spectrum, and special efficacy has been prevented and kill off in antagonism weeds plot.In addition, the efficient Herbicidal combinations in the present invention can also greatly reduce the influence to paddy growth, poisoning is greatly reduced, so as to improve the security of herbicide.The mixture of propachlor of the present invention can reach the effect of Synergistic, to the selected a variety of Weed-control effects of experiment more than 90%, even more than 95%.
Description
Technical field
The invention belongs to herbicide technology field, more particularly to a kind of efficient Herbicidal combinations and its application, such as propachlor
Compound highly effective herbicide for paddy field, specifically, is related to a kind of rice terrace special efficient composite weedicide containing propachlor, i.e.,
Contain propachlor and another herbicide as the high effect weed killer composition of the Synergistic of active component.
Background technology
Paddy rice is one of China's staple food crop, and national Monitoring of Paddy Rice Plant Area is about 500,000,000 mu within 2016, accounts for national grain
The 30% of food crop cultivated area, occupies very important status in National Agricultural production and national economy.Paddy growth mistake
Cheng Zhong, the growth of weeds is that numerous people is not thirsted for seeing, and the presence of weeds can be with the material needed for paddy rice contention growth, soil
Earth and fertilizer, so as to cause the underproduction of crop.At present, abnormal attention is prevented and kill off in countries in the world to weeds, develops in succession a variety of
Herbicide active compound and corresponding formulation for killing weeds in rice field.
But, weeds in paddy field is various, and the resistance to the action of a drug strengthens year by year.General herbicide such as propachlor etc. is difficult to weeds in paddy field
There is good preventive effect, single herbicide is worse to preventing and killing weeds in rice field effect.It would therefore be highly desirable to develop a kind of high-efficiency broad spectrum
Herbicide with contain or killing weeds in rice field overgrowing, so as to improve rice yield.
The content of the invention
In view of this, the application provides a kind of efficient Herbicidal combinations and its application, the Herbicidal combinations that the present invention is provided
With cost is low, wide spectrum, efficiently, it is antagonism weeds special efficacy, environmentally friendly, the features such as beneficial to the weeds in paddy field comprehensive regulation.
The present invention provides a kind of efficient Herbicidal combinations, and it includes the first active component propachlor and the second active component,
Second active component is selected from bentazone, fluroxypyr or ethoxysulfuron.
Preferably, the mass ratio of first active component and the second active component is 80:1~1:80, more preferably 40:
1~1:40.In an embodiment of the present invention, the mass ratio of first active component and the second active component can be 30:1、20:
1、10:1、1:1、1:10、1:20、1:30 or 1:40.
The present invention also provides a kind of herbicide for rice field, and it is included on Herbicidal combinations and Pesticide Science described above
Acceptable auxiliary material.
The present invention also provides a kind of method for preventing and kill off weeds in rice field, including：Apply effective weeding content into rice field
Foregoing herbicide.
Being expanded herbicide controlling spectrum using different herbicide Synergistics and improved herbicidal effect is seen desired by the numerous common people
Something.But, the acquisition of high-efficiency broad spectrum herbicide needs to pass through with very big accidentalia in actual experiment or production
Substantial amounts of experimental data is verified.The present invention is proved by the data of substantial amounts of experiment and correlation, single active compound
Herbicidal effect can be greatly enhanced by being coordinated by rational method, and expand herbicide controlling spectrum, and spy has been prevented and kill off in antagonism weeds plot
Effect.In addition, the efficient Herbicidal combinations in the present invention can also greatly reduce the influence to paddy growth, medicine is greatly reduced
Evil, so as to improve the security of herbicide.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The invention provides a kind of efficient Herbicidal combinations, it includes the first active component and the second active component, described
First active component is propachlor, and second active component is selected from bentazone, fluroxypyr or ethoxysulfuron.
Efficient Herbicidal combinations of the present invention, are the collaborations for containing propachlor and another herbicide as active component
The high effect weed killer composition of synergy, it can efficiently prevent and kill off any weeds or evil under herbicidally effective amount or effective weeding content
Grass, with cost is low, wide spectrum, efficiently, it is antagonism weeds special efficacy, environmentally friendly, the features such as beneficial to the weeds in paddy field comprehensive regulation.
Unless stated otherwise, in this manual, term " herbicide " represents containment or killed not wish in agricultural production
The combination of the molecule or molecule of the plant seen is hoped, " being not intended to the plant seen " is including but not limited to harmful careless or miscellaneous
Grass, broad leaved plant, grass, refer in particular to lady's-grass in rice terrace, barnyard grass, moleplant seed, amur foxtail, Alopecurus,
Purslane, Asiatic plantain, iron teeth amaranth, Siberian cocklebur, annual bluegrass, false loosestrife, Monochoria vaginalis, water amaranth, angustifolia arrowhead herb, nutgrass flatsedge, black nightshade, the leaf of bamboo
Grass, grab chicken grass, difformed galingale herb etc..Term " herbicidally effective amount " represents that the growth to undesirable plant is produced and can be observed
Inhibition needed for amount, " inhibition " include plant necrosis, Plant death, growth inhibition, Reproduction suppression, propagation
Suppress and remove, destroy or reduce the appearance of undesirable plant or the activity of the undesirable plant of reduction.This
Wen Zhong, unless stated otherwise, % contents refer to mass percent.
In the present invention, the first active component propachlor (2- chloro-N- isopropyl acetyl group aniline) is amide-type herbiciding
Agent.Sterling is Light brown solid, and fusing point is 77 DEG C, and boiling point is 110 DEG C/3.97 handkerchiefs.Vapour pressure is 30.6 millipascals (25 DEG C).Dissolving
Degree (25 DEG C, g/l)：Benzene 737, acetone 448, ethanol 408；The mg/litre of water 613.Meet alkali or strong acid is decomposed.170 DEG C of decomposition, it is right
Ultraviolet light stabilized.Propachlor is the herbicide of a kind of selective contact killing type before seedling and postemergence application, is synthesized by suppressing protein,
Make root it is suppressed become deformity, lobus cardiacus curling and it is dead.Propachlor herbicide collection of illustrative plates is wide, and action effect is rapid, and the duration is long, resistance to rain
Water, rains effective for two hours after dispenser.Can effectively prevent and kill off a variety of intractable weeds using propachlor, for example lady's-grass, moleplant seed,
Blue or green barnyard grass, red barnyard grass, green bristlegrass, Setaria glauca, lamb's-quarters, amaranth, black nightshade etc., antagonism weeds have special efficacy.Using safety, medicine is not susceptible to
Evil.The longevity of residure is about 30 days in soil, and the growth of second stubble crop is not influenceed.
In second active component of the invention, bentazone, [3- isopropyls-(1H)-phenylpropyl alcohol -2,1,3- thiadiazines -4- (3H) -
Ketone -2,2- dioxide] it is benzothiadiazine class herbicide, have the after seedling suppression strong with the selectivity of Uptake and translocation of tagging concurrently photosynthetic
The herbicide of effect.Nonirrigated farmland is mainly absorbed using bentazone by the cauline leaf of weeds seedling, paddy field using then by root and
Leaves and stemses absorb, and suppress the photosynthesis and water metabolism of weeds, make weeds hungry and dead.Bentazone is applied to a variety of farmings
Thing, to preventing and kill off with splendid effect for broadleaved herb.
Fluroxypyr belongs to the selectively conduction after seedling cauline leaf process agent of pyridines hormone-type, with uptake and translocation effect.
It is main to be absorbed by axis, leaf, there is toxic reaction, plant distortion, until dead.In drug resistance plant, such as wheat body,
Conjugates is combined into lose activity.The clearvers with paddy the crop fields, ox chickweed, purslane, common vetch, dragon can effectively be prevented and kill off
A variety of broad leaved weeds such as certain herbaceous plants with big flowers, alternanthera philoxeroides, field bindweed, broken leaf shepherd's purse, knotweed.Degradable in soil, half-life period is shorter, will not be right
Succession crop causes poisoning.
Ethoxysulfuron, [1- (4,6- dimethoxypyridin -2- bases) -3- (2- phenoxy ethoxies sulfonyl) urea] category acetyl breast
Acid enzyme inhibitor.Absorbed, conducted in plant body by weeds root and stem.Residual life, is short in soil, after dispenser 80 days
On succession crop growth without influence.Annual broadleaf weed, Sha are prevented and kill off suitable for rice seedling bed, live field, seedling throwing field, transplant field
Grass and algae.
The present invention relates to a kind of high effect weed killer composition, its comprising the first active component propachlor and the second activity into
Point, the second composition contains period 3 nonmetalloid such as chlorine, sulphur, is organic ring-weeding active component, may be selected from going out
Careless pine, fluroxypyr, the group of ethoxysulfuron composition.
In a preferred embodiment of the invention, the mass ratio of first active component and the second active component can be 30:
1、20:1、10:1、1:1、1:10、1:20、1:30 or 1:40.
In some embodiments of the invention, propachlor and weed eradication pine combination compounding；Preferably, mass ratio is 40:1~1:
40, such as 30:1、20:1、10:1、1:1、1:10、1:20、1:30 or 1:40；Particularly preferably, 20:1、1:1 or 1:20.
Or, in some embodiments of the invention, propachlor and fluroxypyr combination compounding；Preferably, quality
Than for 40:1~1:40, such as 30:1、20:1、10:1、1:1、1:10、1:20、1:30 or 1:40；Particularly preferably, 10:1、1:1
Or 1:20.
Or, in some embodiments of the invention, propachlor and ethoxysulfuron combination compounding；Preferably, mass ratio is
40:1~1:40, such as 30:1、20:1、10:1、1:1、1:10、1:20、1:30 or 1:40；Particularly preferably, 10:1、1:1 or 1:
40。
The present invention also provides foregoing Herbicidal combinations and prepared for administering in the herbicide of paddy field weed
Using.
The present invention provide in another aspect a kind of efficient, herbicide available for rice field, and it can include herbicidally effective amount
Weeding of the present invention (agent) composition and agronomically acceptable auxiliary agent or auxiliary material.In the present invention, the Herbicidal combinations exist
Weight content in herbicide is preferably 0.1%~82%.I.e. preferably, it is described in terms of the gross mass of herbicide active ingredient
The content of highy potent herbicide is 0.1~82%.Still more preferably 1~55%, still more preferably 1~42%.
The formulation of any suitable agricultural application can be made in the highy potent herbicide of the present invention according to the ordinary skill in the art,
Including but not limited to missible oil, soluble liquid, microemulsion, aqueous emulsion, suspending agent, pulvis, wettable powder, water-dispersible grain
Agent, soluble powder, granule, microcapsules, fumicants, aerosol etc..
In some embodiments of the invention, the herbicide is oil-suspending agent, such as propachlor bentazone suspending agent.Or
Person, in some embodiments of the invention, the herbicide are missible oil, such as propachlor fluroxypyr missible oil.Or,
In some embodiments of the present invention, the herbicide is dispersible granule, such as dispersible granule of propachlor ethoxysulfuron.
In the present invention, agronomically acceptable auxiliary agent includes solvent, emulsifying agent, wetting agent, antifreezing agent, defoamer, increasing
Effect agent, bactericide, stabilizer, disintegrant, thickener, colouring agent, safener, bleeding agent, binding agent, filler etc. contribute to effectively
Composition is stabilized and plays the known substance of drug effect safely in the formulation.These auxiliary agents are all the conventional materials of agriculture field,
Specific composition and consumption belong to the general knowledge of this area staff.Some in these auxiliary agents include but is not limited to it is following into
Point：
(1) dispersant of the present invention is selected from：APES, sodium lignin sulfonate, naphthalene sulfonate formaldehyde
Condensation product, formaldehyde condensation products sulfate, polycarboxylate, polyoxyethylene carboxylate, APES, alkyl phenol polyoxy
One or more in vinyl phosphate, polyoxyethylene carboxylate, APES.
(2) wetting agent of the present invention is selected from：Lauryl sodium sulfate, Nekal BX, spaonin powder, DBSA
One or more in sodium, silkworm excrement, spaonin powder, tea seed cake powder.
(3) emulsifying agent of the present invention is selected from：Benzyl dimethyl phenol polyoxyethyl ether, alkyl benzene calcium sulfonate, phenyl phenol
Polyoxyethyl ether, alkylphenol-formaldehyde resin polyoxyethyl ether, phenethyl phenol polyoxyethanyl polypropylene-base ether, TWEEN Series, Si Pan
One or more in series.
(4) solvent of the present invention is selected from：Methyl oleate, acetone, petroleum ether, toluene, methanol, DMF, DMSO, diformazan
Benzene, isopropanol, ethanol, butanol, 1-METHYLPYRROLIDONE, rosin base oil, furans, cyclohexanone, ethyl acetate, N, N- dimethyl methyls
One or more in acid amides, methyl cellosolve, vegetable oil.
(5) disintegrant of the present invention is selected from：In bentonite, urea, magnesium chloride, ammonium sulfate, aluminium chloride, glucose
It is one or more.
(6) binding agent of the present invention is selected from：Diatomite, rosin, PVA, cyclodextrin, starch, carboxymethyl (ethyl) are fine
One or more in the plain sodium of dimension.
(7) defoamer of the present invention is selected from：Organic silicone oil, ethanol, epoxidized soybean oil, silicone compound, C10-
One or more in C20 saturated fat acids compound, C8-210 aliphatic alcohols compounds.
(8) antifreeze of the present invention is selected from：In ethylene glycol, polyethylene glycol, propane diols, glycerine, sorbierite, urea
One or more.
(9) thickener of the present invention is selected from：It is gelatin, aluminium-magnesium silicate, organoclay, white carbon, glycerine, xanthans, poly-
One or more in ethylene glycol, polyvinyl alcohol.
(10) filler of the present invention is selected from：Kaolin, white carbon, diatomite, bentonite, attapulgite, lightweight carbonic acid
One or more in calcium.
(11) this formula safener is selected from：Cloquintocetmexyl, mefenpyrdiethyl, cyclopropyl-sulfonylamide, isoxadifen, furans
One or more in fenclorim etc..
(12) this formula colouring agent is selected from：Microorganisms pigments, animal pigment and inorganic pigment, capsanthin, beet red,
Monascus color, alkermes, chrysanthemum, chlorophyll copper sodium, turmeric, Gardenia Yellow, carrotene, algocyan, cacao color, burnt sugar coloring
One or more in element, famille rose, amaranth, sunset yellow, erythrosine, lemon yellow, newly red, indigo, light blue.
Present invention also offers a kind of method for preventing and kill off weeds in rice field, including：Apply effective weeding content into rice field
Foregoing herbicide.Wherein, the rice field can be transplanting rice field or direct sowing rice field.
The efficient Herbicidal combinations or herbicide of the present invention can be used for being not intended to the containment of plant seen in rice field and anti-
Remove, such as weeds prevents and kill off in live field and transplant field.Highy potent herbicide frequency of administration of the present invention and amount of application are with weather and miscellaneous
Grass changed condition and change, those skilled in the art can determine frequency of administration and amount of application by conventional meanses, to reach
Optimal herbicide effect.
In addition, the invention further relates to prevent and kill off the method for the plant for being not intended to see in rice field, including to apply weeding effective
The herbicide of the present invention of amount.The plant for being not intended to see can be for Cyperaceae, grass family, broad leaved weed, barnyard grass etc., especially
Refer to moleplant seed, lady's-grass, blue or green barnyard grass, red barnyard grass, green bristlegrass, Setaria glauca, convexutricle sedge herb, knotweed, Monochoria vaginalis, emarginate amaranth herb or seed, nutgrass flatsedge, special-shaped Sha
Grass, angustifolia arrowhead herb.
The embodiment of the present invention uses greenhouse pot culture method：Fine earth will be covered in polypots for examination target weeds seed sowing
Afterwards, it is placed in greenhouse and cultivates, treat that weeds length to 2~4 leaf phases carry out cauline leaf spraying treatment, per alms bowl spraying liquid 1mL, often processing is repeated
4 times, and the processing without medicament is set as control.It is placed in greenhouse and cultivates after processing, the growing state of routine observation target weeds,
Preventive effect is calculated after 15 days, then inhibition concentration EC50 (95% confidential interval) is calculated with least square method, and based on the abundant methods of Sun Yun
Calculate co-toxicity coefficient (CTC).
The joint toxicity measuring method of different ratio：According to the toxicity test result of single dose, lived with the second of different ratio
Property composition and the first active component propachlor the virulence of weeds is measured, calculate LC50, and poison altogether is calculated by the abundant methods of Sun Yun
Coefficient (CTC), is calculated by following equation：
ATI=(S/M) * 100；
In formula：
ATI --- mixture surveys toxicity index；
The LC50 of S --- standard herbicide, unit mg/L；
The LC50 of M --- mixture, unit mg/L.
TTI=TIA*PA+TIB*PB；
In formula：
TTI --- mixture theoretical toxicity index；
TIA--- A medicament theoretical toxicity index；
PA--- percentage composition of the A medicaments in mixture, unit is percentage；
TIB--- B medicament theoretical toxicity index；
PB--- percentage composition of the B medicaments in mixture, unit is percentage；
CTC=(ATI/TTI) * 100；
In formula：
CTC --- co-toxicity coefficient；
ATI --- mixture surveys toxicity index；
TTI --- mixture theoretical toxicity index.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect；CTC≤80 show as antagonism；The tables of 80 ＜ CTC ＜ 120
It is now summation action.
Experiment shows that Synergistic herbicide compositions of the present invention can greatly expand herbicide collection of illustrative plates, make up single medicament not
Foot, the synergistic function of medicament in addition, can greatly improve weeds prevents and kill off efficiency.Dispenser, it is possible to kill rice field
Common malignant weed, for example, moleplant seed, lady's-grass, barnyard grass, green bristlegrass, nutgrass flatsedge, emarginate amaranth herb or seed, difformed galingale herb etc..The present invention is to environment
Pollution is small, environmentally friendly, meets the requirement of Green Chemistry.
Compared to single formulation, efficient propachlor mixed herbicide can reduce the consumption of medicament, so as to reduce herbicide pair
The injury of crops, therefore, the administration of product of the present invention have high security, will not cause the underproduction of crops.
For a further understanding of the application, the efficient Herbicidal combinations provided with reference to embodiment the application and its should
With being specifically described.
Embodiment 1：The joint toxicity measuring of different ratio
According to the toxicity test result of single dose, with the bentazone of different ratio, the different monooctyl ester of MCPA,MCP,methoxone or pyrazosulfuron and
Propachlor is measured to the virulence of weeds, calculates LC50, and calculates co-toxicity coefficient (CTC) by the abundant methods of Sun Yun, it the results are shown in Table 1~
6。
Table 1：Bentazone and propachlor different ratio are to barnyard grass toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Bentazone | 11.14 | - | 100 | - |
| Propachlor | 5.34 | - | 208.61 | - |
| Bentazone：Propachlor=1:30 | 3.48 | 205.11 | 320.11 | 156.1 |
| Bentazone：Propachlor=1:20 | 3.57 | 203.44 | 312.04 | 153.4 |
| Bentazone：Propachlor=1:10 | 4.09 | 198.74 | 272.37 | 137.0 |
| Bentazone：Propachlor=1:1 | 4.38 | 154.31 | 254.34 | 164.8 |
| Bentazone：Propachlor=10:1 | 4.68 | 109.87 | 238.03 | 216.6 |
| Bentazone：Propachlor=20:1 | 4.97 | 105.17 | 224.14 | 213.1 |
| Bentazone：Propachlor=30:1 | 5.36 | 103.50 | 207.84 | 200.8 |
| Bentazone：Propachlor=40:1 | 5.78 | 102.65 | 192.73 | 187.8 |
Table 2：Bentazone and propachlor different ratio are to nutgrass flatsedge toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Bentazone | 5.19 | - | 233.72 | - |
| Propachlor | 12.13 | - | 100 | - |
| Bentazone：Propachlor=1:30 | 5.69 | 104.31 | 213.18 | 204.4 |
| Bentazone：Propachlor=1:20 | 5.12 | 106.37 | 236.91 | 222.7 |
| Bentazone：Propachlor=1:10 | 4.69 | 112.16 | 258.64 | 230.6 |
| Bentazone：Propachlor=1:1 | 4.35 | 166.86 | 278.85 | 167.1 |
| Bentazone：Propachlor=10:1 | 4.02 | 221.56 | 301.74 | 136.2 |
| Bentazone：Propachlor=20:1 | 3.68 | 227.35 | 329.62 | 145.0 |
| Bentazone：Propachlor=30:1 | 3.34 | 229.41 | 363.17 | 158.3 |
| Bentazone：Propachlor=40:1 | 3.08 | 230.46 | 393.83 | 170.9 |
Can intuitively it be found out by Tables 1 and 2 data, bentazone and its co-toxicity coefficient of each ratio of propachlor compounding are equal
Higher than 120, illustrate preventing and kill off with obvious synergistic effect to weeds after two kinds of composition compoundings, it can be seen that, Liang Zhefu
With with very strong reasonability.
Table 3：Fluroxypyr and propachlor different ratio are to barnyard grass toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Fluroxypyr | 12.38 | - | 100 | - |
| Propachlor | 5.29 | - | 234.03 | - |
| Fluroxypyr：Propachlor=1:30 | 3.28 | 229.70 | 377.44 | 164.3 |
| Fluroxypyr：Propachlor=1:20 | 3.49 | 227.64 | 354.73 | 155.8 |
| Fluroxypyr：Propachlor=1:10 | 3.72 | 221.84 | 332.80 | 150.0 |
| Fluroxypyr：Propachlor=1:1 | 4.05 | 167.01 | 305.68 | 183.0 |
| Fluroxypyr：Propachlor=10:1 | 4.47 | 112.18 | 276.96 | 246.9 |
| Fluroxypyr：Propachlor=20:1 | 4.87 | 106.38 | 254.21 | 239.0 |
| Fluroxypyr：Propachlor=30:1 | 5.09 | 104.32 | 243.22 | 233.1 |
| Fluroxypyr：Propachlor=40:1 | 5.64 | 103.27 | 219.50 | 212.6 |
Table 4：Fluroxypyr and propachlor different ratio are to nutgrass flatsedge toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Fluroxypyr | 5.34 | - | 236.89 | - |
| Propachlor | 12.65 | - | 100 | - |
| Fluroxypyr：Propachlor=1:30 | 6.12 | 104.42 | 206.70 | 198.0 |
| Fluroxypyr：Propachlor=1:20 | 5.85 | 106.52 | 216.24 | 203.0 |
| Fluroxypyr：Propachlor=1:10 | 5.38 | 112.44 | 235.13 | 209.1 |
| Fluroxypyr：Propachlor=1:1 | 5.01 | 168.45 | 252.50 | 149.9 |
| Fluroxypyr：Propachlor=10:1 | 4.53 | 224.45 | 279.25 | 124.4 |
| Fluroxypyr：Propachlor=20:1 | 4.12 | 230.37 | 307.04 | 133.3 |
| Fluroxypyr：Propachlor=30:1 | 3.59 | 232.48 | 352.37 | 151.6 |
| Fluroxypyr：Propachlor=40:1 | 3.26 | 233.55 | 388.04 | 166.1 |
Can intuitively be found out by the data of table 3 and table 4, fluroxypyr and propachlor compounding each ratio its be total to
Malicious coefficient is above 120, illustrates preventing and kill off with obvious synergistic effect to weeds after two kinds of composition compoundings, thus may be used
See, both are compounded with very strong reasonability.
Table 5：Ethoxysulfuron and propachlor different ratio are to barnyard grass toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Ethoxysulfuron | 13.01 | - | 100 | - |
| Propachlor | 5.34 | - | 243.63 | - |
| Ethoxysulfuron：Propachlor=1:30 | 3.13 | 239.00 | 415.65 | 173.9 |
| Ethoxysulfuron：Propachlor=1:20 | 3.46 | 236.79 | 376.01 | 158.8 |
| Ethoxysulfuron：Propachlor=1:10 | 3.67 | 230.58 | 354.50 | 153.7 |
| Ethoxysulfuron：Propachlor=1:1 | 4.02 | 171.82 | 323.63 | 188.4 |
| Ethoxysulfuron：Propachlor=10:1 | 4.35 | 113.06 | 299.08 | 264.5 |
| Ethoxysulfuron：Propachlor=20:1 | 4.68 | 106.84 | 277.99 | 260.2 |
| Ethoxysulfuron：Propachlor=30:1 | 5.03 | 104.63 | 258.65 | 247.2 |
| Ethoxysulfuron：Propachlor=40:1 | 5.46 | 103.50 | 238.28 | 230.2 |
Table 6：Ethoxysulfuron and propachlor different ratio are to nutgrass flatsedge toxicity test result
| Medicament | LC50(mg/L) | TTI | ATI | CTC |
| Ethoxysulfuron | 5.07 | - | 239.25 | - |
| Propachlor | 12.13 | - | 100 | - |
| Ethoxysulfuron：Propachlor=1:30 | 6.24 | 104.49 | 194.39 | 186.0 |
| Ethoxysulfuron：Propachlor=1:20 | 5.98 | 106.63 | 202.84 | 190.2 |
| Ethoxysulfuron：Propachlor=1:10 | 5.34 | 112.66 | 227.15 | 201.6 |
| Ethoxysulfuron：Propachlor=1:1 | 4.69 | 169.63 | 258.64 | 152.5 |
| Ethoxysulfuron：Propachlor=10:1 | 4.23 | 226.59 | 286.76 | 126.6 |
| Ethoxysulfuron：Propachlor=20:1 | 3.91 | 232.62 | 310.23 | 133.4 |
| Ethoxysulfuron：Propachlor=30:1 | 3.62 | 234.76 | 335.08 | 142.7 |
| Ethoxysulfuron：Propachlor=40:1 | 3.42 | 235.85 | 354.68 | 150.4 |
Can intuitively it be found out by table 5 and the data of table 6, each ratio its co-toxicity coefficient of ethoxysulfuron and propachlor compounding
120 are above, illustrates preventing and kill off with obvious synergistic effect for weeds after two kinds of composition compoundings, it can be seen that, two
Person's compounding is with very strong reasonability.
Embodiment 2：The preparation of 42% bentazone propachlor aqueous suspension agent
42% bentazone propachlor aqueous suspension agent：40% bentazone, 2% propachlor, 5% dispersant, 10% emulsifying agent,
4% antifreeze, 1.3% thickener, 0.5% defoamer, 2% filler, remaining deionized water are supplied；It is made according to common process.
Wherein, the dispersant is APES；The emulsifying agent is alkyl benzene calcium sulfonate；The antifreeze
For ethylene glycol；The thickener is gelatin；The defoamer is organic silicone oil；The filler is kaolin.
Embodiment 3：The preparation of 20% bentazone propachlor wettable powder
20% bentazone propachlor wettable powder：10% bentazone, 10% propachlor, 8% dispersant, 5% wetting
Agent, filler is supplied；Wherein, the dispersant is sodium lignin sulfonate；The wetting agent is lauryl sodium sulfate；The filler
For bentonite.
It is well mixed container is put into after the coarse crushing by a certain percentage of above-mentioned material, then after air-flow crushing, obtains 20% and go out
Careless pine propachlor wettable powder.
Embodiment 4：The preparation of 21% bentazone propachlor missible oil
21% bentazone propachlor missible oil：1% bentazone, 20% propachlor, 10% emulsifying agent, solvent are supplied；According to
Common process is made.
Wherein, the emulsifying agent is Tween 80；The solvent is vegetable oil.
Embodiment 5：The preparation of 22% fluroxypyr propachlor oil-suspending agent
22% fluroxypyr propachlor oil-suspending agent：20% fluroxypyr, 2% propachlor, 5% disperse
Agent, 15% emulsifying agent, 1% thickener, remaining methyl oleate are supplied；It is made according to common process.
Wherein, the dispersant is naphthalenesulfonic acid-formaldehyde condensate；The emulsifying agent is phenyl phenol polyoxyethyl ether；It is described
Thickener is xanthans.
Embodiment 6：The preparation of 20% fluroxypyr propachlor missible oil
20% fluroxypyr propachlor missible oil：10% fluroxypyr, 10% propachlor, 15% emulsifying agent,
Solvent is supplied；It is made according to common process.
Wherein, the emulsifying agent is Tween 80；The solvent is vegetable oil.
Embodiment 7：The preparation of 42% fluroxypyr propachlor missible oil
42% fluroxypyr propachlor missible oil：2% fluroxypyr, 40% propachlor, 12% emulsifying agent, it is molten
Agent is supplied；It is made according to common process.
Wherein, the emulsifying agent is alkylphenol-formaldehyde resin polyoxyethyl ether；The solvent is rosin base oil.
Embodiment 8：The preparation of 33% ethoxysulfuron propachlor aqueous suspension agent
33% ethoxysulfuron propachlor aqueous suspension agent：30% ethoxysulfuron, 3% propachlor, 5% dispersant, 12 emulsifications
Agent, 3% antifreeze, 1.5% thickener, 0.4% defoamer, 4% filler, remaining deionized water are supplied；According to common process system
.
Wherein, the dispersant is polyoxyethylene carboxylate；The emulsifying agent is phenethyl phenol polyoxyethanyl polypropylene
Base ether；The antifreeze is urea；The thickener is Macrogol 4000；The defoamer is epoxidized soybean oil；It is described to fill out
Expect for white carbon.
Embodiment 9：The preparation of 1% ethoxysulfuron propachlor wettable powder
1% ethoxysulfuron propachlor wettable powder：0.5% ethoxysulfuron, 0.5% propachlor, 8% dispersant, 6%
Wetting agent, filler is supplied.Wherein, the dispersant is polycarboxylate；The wetting agent is Nekal BX；The filler is diatom
Soil.
It is well mixed container is put into after the coarse crushing by a certain percentage of above-mentioned material, then after air-flow crushing, obtains 1% ethoxy
The grand propachlor of sulphur.
Embodiment 10：The preparation of 20.5% ethoxysulfuron propachlor oil-suspending agent
20.5% fluroxypyr propachlor oil-suspending agent：0.5% ethoxysulfuron, 20% propachlor, 5% disperse
Agent, 15% emulsifying agent, 1% thickener, remaining methyl oleate are supplied；It is made according to common process.
Wherein, the dispersant is formaldehyde condensation products sulfate；The emulsifying agent is alkyl benzene calcium sulfonate；The thickener
For polyvinyl alcohol.
Embodiment 11：The test of pesticide effectiveness
For checking propachlor and bentazone, fluroxypyr, ethoxysulfuron compounding effect, medicine is carried out in rice terrace
Effect experiment.Experiment preparation used includes the complex weedicide in the single dose and embodiment 2-10 of propachlor isoreactivity composition.Implement
Example 2-10 is used to prevent and kill off transplanted rice field annual grassy weeds：Annual gramineous weed, sedge weed, broad leaved weed are prevented
Effect is counted, and spraying time is that 6 days after rice transplanting, application method is spray-on process, and every mu is watered 15kg and carries out foliar spray.
Experiment sets 11 groups of processing altogether, is counted after 18 days and contrasts each processing number of weeds amount and preventive effect, the results are shown in Table 7；Weeds prevent
What is imitated is calculated as follows：
Weed-control effect %=(clear water check plot number of weeds-applying area number of weeds)/clear water check plot number of weeds × 100%.
Table 7, which is arranged, has taken the concrete condition of every group of experiment, including preparation used, dispenser dosage, is selected as killing object
The quantity and preventive effect of weeds before and after weeds, medication.Cited weeds strain number is medication experiment every time during 3 repetitions are tested in table
The summation of weeds strain number afterwards.
Table 7- direct seading rices field experiment (leaf of paddy rice three wholeheartedly when medication)
It is basic to barnyard grass that the single formulations such as bentazone, fluroxypyr, ethoxysulfuron are can be seen that from the column data of table 7
Without preventive effect, the preventive effect to nutgrass flatsedge is relatively poor, and single propachlor is to nutgrass flatsedge preventive effect extreme difference, and the preventive effect to barnyard grass is relatively poor,
And the mixture of propachlor can reach the effect of Synergistic, to the selected a variety of Weed-control effects of experiment more than 90%, even more than
95%.
In summary, Synergistic herbicide compositions of the present invention can greatly expand herbicide collection of illustrative plates, make up single medicament not
Foot, the synergistic function of medicament in addition, can greatly improve weeds prevents and kill off efficiency.Dispenser, it is possible to kill rice field
Common malignant weed, for example, moleplant seed, lady's-grass, barnyard grass, green bristlegrass, nutgrass flatsedge, emarginate amaranth herb or seed, difformed galingale herb etc..The present invention is to environment
Pollution is small, environmentally friendly, meets the requirement of Green Chemistry.Compared to single formulation, efficient propachlor mixed herbicide can subtract
The consumption of few medicament, so as to reduce injury of the herbicide to crops, therefore, the administration of product of the present invention has high safety
Property, the underproduction of crops will not be caused.
Claims (9)
1. a kind of efficient Herbicidal combinations, it is characterised in that lived including the first active component and the second active component, described first
Property composition be propachlor, second active component be selected from bentazone, fluroxypyr or ethoxysulfuron.
2. efficient Herbicidal combinations according to claim 1, it is characterised in that first active component and the second activity
The mass ratio of composition is 80:1~1:80.
3. efficient Herbicidal combinations according to claim 2, it is characterised in that first active component and the second activity
The mass ratio of composition is 40:1~1:40.
4. efficient Herbicidal combinations according to claim 3, it is characterised in that first active component and the second activity
The mass ratio of composition is 30:1、20:1、10:1、1:1、1:10、1:20、1:30 or 1:40.
5. a kind of herbicide for rice field, it is characterised in that including Herbicidal combination according to any one of claims 1 to 4
Acceptable auxiliary material on thing and Pesticide Science.
6. herbicide according to claim 5, it is characterised in that weight content of the Herbicidal combinations in herbicide
For 0.1%~82%.
7. herbicide according to claim 6, it is characterised in that weight content of the Herbicidal combinations in herbicide
For 1%~55%.
8. a kind of method for preventing and kill off weeds in rice field, including：
Apply the herbicide as any one of claim 5~7 of effective weeding content into rice field.
9. method according to claim 8, it is characterised in that the rice field is transplanting rice field or direct sowing rice field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368029.9A CN106973933A (en) | 2017-05-23 | 2017-05-23 | A kind of efficient Herbicidal combinations and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368029.9A CN106973933A (en) | 2017-05-23 | 2017-05-23 | A kind of efficient Herbicidal combinations and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106973933A true CN106973933A (en) | 2017-07-25 |
Family
ID=59343283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368029.9A Pending CN106973933A (en) | 2017-05-23 | 2017-05-23 | A kind of efficient Herbicidal combinations and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106973933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392897A (en) * | 2018-12-06 | 2019-03-01 | 上海祥霖农业技术有限公司 | The dispersible oily suspension composition of one kind, preparation method and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798236A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Propachlor compound herbicide |
-
2017
- 2017-05-23 CN CN201710368029.9A patent/CN106973933A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798236A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Propachlor compound herbicide |
Non-Patent Citations (2)
| Title |
|---|
| 无: "《植保员手册》", 31 May 2014 * |
| 袁会珠等: "《现代农药应用技术图解》", 30 June 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392897A (en) * | 2018-12-06 | 2019-03-01 | 上海祥霖农业技术有限公司 | The dispersible oily suspension composition of one kind, preparation method and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104304296B (en) | A kind of comprehensive Herbicidal combinations of rice terrace | |
| CN102326551B (en) | Weeding composition containing diflufenican | |
| TW201517798A (en) | Fungicidal composition and the use thereof | |
| CN102893997A (en) | Compound herbicide containing mesotrione, s-metolachlor and atrazine and applications of compound herbicide | |
| CN104488949A (en) | Dinotefuran-containing insecticidal combination | |
| CN103828816B (en) | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr | |
| CN106172461A (en) | A kind of Herbicidal composition for rice field | |
| CN103271054B (en) | Complex formulation herbicide for protective cultivation of corn field | |
| CN102273476B (en) | Pesticide composition containing bispyribac-sodium | |
| CN103392715A (en) | Sterilization composition containing cyprodinil and captan | |
| CN106973933A (en) | A kind of efficient Herbicidal combinations and its application | |
| CN103371159A (en) | Weeding composition containing cyclosulfamuron and amides | |
| CN105981721B (en) | A kind of bactericidal composition for preventing and treating soil biography or seed-borne disease | |
| CN106665629A (en) | Compound herbicide used before direct sowing of field seedlings on dry paddy field | |
| CN102326559A (en) | Weeding composition containing diflufenican and triazines | |
| CN106665628A (en) | Herbicide containing pyrazosulfuron-ethyl, pretilachlor and mefenacet and application of herbicide | |
| CN103039486B (en) | Mixed herbicide containing cinosulfuron and cinmethylin and application thereof | |
| CN102461558A (en) | Mixed weeding composite containing bispyribac and aniloguard | |
| CN102326558B (en) | Weeding composition containing carfentrazone-ethyl and bromoxynil octanoate | |
| CN102461527A (en) | Mixed herbicide composition containing bispyribac-sodium and benthiocarb | |
| CN104886159B (en) | A kind of rice terrace herbicidal composition | |
| CN103651479B (en) | A kind of Herbicidal combinations containing monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline | |
| CN107801726A (en) | A kind of built herbicide for rice field | |
| CN109221173A (en) | A kind of herbicidal composition containing butralin | |
| CN103371158A (en) | Weeding composition containing cyclosulfamuron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |