CN107568228A - A kind of Herbicidal combinations containing pyrithiobac-sodium - Google Patents
A kind of Herbicidal combinations containing pyrithiobac-sodium Download PDFInfo
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Abstract
The invention provides a kind of synergistic herbicidal compositions containing pyrithiobac-sodium, it is characterized in that including active components A and B, wherein, A is pyrithiobac-sodium, B is one or more kinds of combinations in smart napropamide, clomazones, fluorochloridone, F9960, F9600, also include the auxiliary agent that can be used in Pesticide formulation, conventional pesticidal preparations are made, and applied to the unwanted plant of preventing and treating.
Description
Technical field
The invention belongs to pesticides application technical field, is related to a kind of composition pesticide, and specifically one kind contains phonetic careless sulphur
The Herbicidal combinations of ether, applied to preventing and kill off unwanted plant.
Background technology
In agricultural production process, it is not necessary to plant (weeds) serious, the target crop such as damage to crops, forest life occurs
It is long, and influence undesirable vegetation plot (such as bare place, railway, highway, forest fire protection road, industrial sites, threshing ground) just
Often use.Herbicide is to prevent and kill off the most economic, the quick and effective method for not needing plant.
Single herbicide is limited using easily developing immunity to drugs or preventing and treating spectrum, can not solve well in produce reality not
Need the harm of plant.Mixture herbicide, which has to expand, prevents and treats spectrum, enhancing preventive effect, delays the advantages such as herbicide resistance, in life
Turn into most popular application form in production practice.Especially there is the herbicide of synergy, between each active principle of herbicide
Interaction, make combination aging fruit better than the theoretical summation that effect is used alone, thus the work(of thing half can be played in actual use
Effect again, is more welcome by user.
Pyrithiobac-sodium (pyrithiobac-sodium) is a kind of selective herbicide of overseas enterprise's exploitation, belongs to side chain ammonia
Base acid synthetic inhibitor, can be handled in weeds before seedling after seedling, a variety of grass family for being mainly used in preventing and kill off in the crop fields such as cotton and
Broad leaved weed.CAS accession number is 123343-16-8.Its structural formula is as follows：
Smart napropamide (napropamide-M), clomazones (clomazone), fluorochloridone (flurochloridone)
And several novel broad spectrum weeding agent of overseas enterprise's exploitation, there is good preventive effect to various crop weeds.
F9960 is a kind of broad spectrum activity before seedling after seedling inorganic agent that rich U.S.A develops in fact, can effectively prevent and kill off corn and soybean, cotton
And a variety of broad leaved weeds in other the crop fields；F9600 is a kind of broad spectrum activity before seedling inorganic agent that rich U.S.A develops in fact, can effectively be prevented
Except the broad leaved weed in the crop fields such as cereal crop, rape, rice, cotton, sugarcane and part grassy weed.
The present invention has found by the research of substantial amounts of formulation screening test, when pyrithiobac-sodium and smart napropamide, clomazones, fluorine
When coughing up one or more kinds of medicaments any combination in humulone, F9960, F9600, surprising herbicidal effect is shown,
Good synergy is shown, actual herbicidal effect is substantially better than the theoretical summation of exclusive use, has in production non-
Often it is widely applied prospect.
The content of the invention
The present invention relates to synergistic herbicidal compositions, including active components A and B, described active components A is pyrithiobac-sodium
(pyrithiobac-sodium), described active component B is smart napropamide, clomazones, fluorochloridone, F9960, F9600
In one or more kinds of combinations.In addition, also include the auxiliary agent that can be used in Pesticide formulation.
The composition can be especially good effect be used to prevent and treat weeds in various useful crops, the useful crop
Including but not limited to conventional breeding crop, genetically modified crops, asexually propagated crop and asexual propagation material, domesticating and cultivating it is wild
Plant etc., especially suitable for preventing and kill off in the crop fields such as cotton, wheat, corn, peanut, soybean, sorghum, potato, rape, sugarcane
Weeds, or in the undesirable vegetation growth plot such as bare place, railway, highway, forest fire protection road, industrial sites, threshing ground
Weeds.
The instantiation that can be mentioned that can use the representative grassy weed of composition for preventing and controlling of the invention, broad-leaved miscellaneous for some
Grass and nutgrass flatsedge, the example are not limited to specified genus kind.It should be noted that the invention is not limited in example in detail below, also
Other unwanted plants can be extended in the same manner：
Including but not limited to following category or the broad leaved weed of section：Abutilon, Amaranthus, Portulaca, Acalypha, lamb's-quarters
Category, pulse family, Polygonum, Stellaria, Euphorbia, Bedstraw, Descurainia, shepherd's purse category, Eclipta prostrata category, Viola, Xanthium, Veronica
Shu, pivots store category, Kochia, Myosoton, Senecio, Solanum, Lithospermum, lyrate hemistepta herb category, sandwort category, silene, led a cow
Category, Brassica genus, Urtica, mallow, Plantago, lespedeza, Ambrosia, Bidens, bitter fleabane category, small fluffy category, sonchus oleraceus
Category, pearlwort, Datura, carpetweed, ox achyranthes chrysanthemum spp, black clover category, japanese bearbind genus, Hibiscus, galeopsis, bur
Category；The grassy weed of following category：Echinochloa, knotgrass, setaria, Poa L., Avena, Panicum, lolium temulentum category, bromegrass
Category, wild Panicum, amur foxtail category, Lolium, yard grass category, cogon, Brachiaria, speedwell category, ladder forage spp, caput grass
Shu, Wang grass category, hard grass category, Cenchrus, Cynodon, sorghum, Finger-millet category, Sprangletop；The sedge weed of following category：
Cyperus.
In order to solve the above-mentioned technical problem, the present invention, which adopts the following technical scheme that, is achieved：
The present composition component A and B can be with arbitrary proportion mixtures, and a kind of usual active component content is higher than rest activity
Composition, preferably mixing ratio are 100：1 to 1：100 or 50：1 to 1：50.
The present composition can be by the way that active component be mixed with the auxiliary agent that can be used in Pesticide formulation, with known
Method is prepared as conventional preparation, such as missible oil, wettable powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, particle
Agent, dispersible oil-suspending agent, microcapsule suspending agent, suspension emulsion, solvable pulvis, soluble granule etc..Typically contain 0.1 in preparation~
The active component of the active component of 95% weight, preferably 0.5~90% weight.
The auxiliary agent that can be used in Pesticide formulation includes but is not limited to：Water, solvent, filler, various surfactants
(emulsifying agent, dispersant, wetting agent etc.), adhesive, film forming agent, colouring agent, antifreezing agent, thickener, suspending agent, disintegrant, disappear
Infusion, bleeding agent, synergist, stabilizer, wall capsule material, pH adjusting agent, preservative etc..Also, suitably, in order to improve to spy
Ordered goods tolerance, safener can be properly added；Or sometimes for crop growth is promoted, it can add in mixture composition
Add conventional agriculture fertilizer, medicament-fertilizer mixture is made.These auxiliary agents are all to commonly use in pesticidal preparations or allow the composition used, have no spy
Do not limit, one or more kinds of auxiliary agents may be selected and form, specific composition and dosage are according to recipe requirements by simply testing
It is determined that.
The production technology of the various application forms of composition belongs to existing known technology, will not be repeated here.
The present composition can use in a variety of ways, be such as watered spraying in a usual manner and use, or directly spread fertilizer over the fields or ditch
Apply, or mix pesticide-clay mixture and spread fertilizer over the fields, early stage can be used before weeds emergence or after emergence.Dosage can change in relative broad range,
And the situation depending on soil, application method, crop, weeds species to be prevented and kill off and seedling age size, weather conditions at that time
And other factors.The present composition is generally applied with the dosage of 0.001~2.0kg mixture of active principles/hectare, more excellent
Selection of land, applied with the dosage of 0.01~1.0kg mixture of active principles/hectare.
The present invention compared with prior art, has the following technical effect that：
1st, mixture composition has good synergy, and application effect is substantially better than single dose theoretical effect summation, that is, had
There is super superposition, dominant weed occurrence injury can be better controled over；
2nd, there is good complementarity in control of weeds spectrum between mixture composition active component, preventing and treating can be expanded very well
Spectrum, synthesis effectively control various weeds occurrence injuries；
3rd, mixture composition has good synergy, can reduce medicament usage amount, reduces use cost and environment is dirty
Dye, improves the security to crop.
Embodiment
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1：63% missible oil
Being formulated composition is：Active components A is 9%, and active component B is 54%, emulsifying agent castor oil polyoxyethylene ether 6%,
Emulsifying agent disecoctylmaleate sodium sulfonate 4%, solvent xylene complements to 100%.
Preparation method is：All materials are put into batching kettle, stirring and dissolving is to fully transparent, after chemical examination is qualified, transfer
It is filling to storage tank.
Embodiment 2：35% suspending agent
Being formulated composition is：Active components A is 30%, and active component B is 5%, wetting agent AEO 3%,
Dispersant is to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 5%, and antifreezing agent glycerine 5%, thickener xanthans 0.2%, water is supplied
To 100%.
Preparation method is：By in active component and wetting agent, dispersant, antifreezing agent and water input stirred tank, it is sufficiently stirred
Afterwards, material is pumped into sand mill and be fully ground, after the completion of grinding, be pumped into high-speed shearing machine, after adding thickener, enter
Row high speed shear, suspending agent is made after the completion of shearing.
Embodiment 3：72% water dispersible granules
Being formulated composition is：Active components A is 8%, and active component B is 64%, wetting agent sldium lauryl sulfate 6%, is disperseed
Agent APES formaldehyde condensation product sulfonate 5%, disintegrant sodium sulphate 3%, adhesive polyethylene glycol 0.5%, is filled out
Material kaolin complements to 100%.
Preparation method is：After all materials are well mixed, crush through airslide disintegrating mill, be well mixed again, then, add
Enter a certain amount of water to mediate this mixture, extruder grain, sieved through drying, that is, obtain water dispersible granules.
Embodiment 4：18% aqueous emulsion
Being formulated composition is：Active components A is 12%, and active component B is 6%, solvent xylene 10%, solvent cyclohexanone
5%, emulsifying agent alkylphenol-polyethenoxy phosphate 4%, emulsifying agent sorbitan ester 5%, antifreezing agent propane diols 4%, water benefit
Enough to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, input emulsifying agent forms oil after being sufficiently stirred
Phase；Antifreezing agent is added to the water dissolving, forms aqueous phase；Aqueous phase is slowly added in oil phase, sheared using high-speed shearing machine, you can
Obtain aqueous emulsion.
Embodiment 5：12% microemulsion
Being formulated composition is：Active components A is 4%, and active component B is 8%, solvent xylene 10%, solvent cyclohexanone
3%, emulsifying agent calcium dodecyl benzene sulfonate 8%, emulsifying agent styrylphenol polyoxyethylene ether 7%, antifreezing agent propane diols
5%, water complements to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, put into emulsifying agent and antifreezing agent be well mixed,
Deionized water is eventually adding, carries out high speed shear, you can obtains microemulsion.
Embodiment 6：81% wettable powder
Being formulated composition is：Active components A is 72%, and active component B is 9%, wetting agent pull open powder 4%, dispersant naphthalene sulphur
Sour sodium formaldehyde condensation product 6%, filler diatomite complement to 100%.
Preparation method is：Active component and each auxiliary agent are well mixed, puts into mechanical disintegrating machine and just smash, afterwards
Crushed through airslide disintegrating mill, remix uniformly, that is, wettable powder is made.
Embodiment 7：6% granule
Being formulated composition is：Active components A is 3%, and active component B is 3%, wetting agent phenethyl phenol polyethenoxy ether
0.8%, dispersant alkyl naphthalene formaldehyde condensation product sodium sulfonate 0.6%, colouring agent Viride Nitens (peacock green) 0.3%, filler bentonite
Complement to 100%.
Preparation method is：After all materials are well mixed, add a certain amount of water and mediate this mixture, extruding is made
Grain, sieved through drying, that is, obtain granule.
Embodiment 8：30% dispersible oil-suspending agent
Being formulated composition is：Active components A is 6%, and active component B is 24%, emulsifying agent alkylbenzenesulfonate 6%, emulsification
Agent aerosol-OT salt 7%, the phenethyl phenol polyoxyethylene ether phosphate 2% of dispersant three, thickener white carbon
1%, decentralized medium soybean oil complements to 100%.
Preparation method is：By in active component and emulsifying agent, dispersant and decentralized medium input stirred tank, it is sufficiently stirred
Afterwards, it is pumped into high-speed shearing machine, carries out high speed shear, then pump is fully sanded into sand mill, and qualified rear add is sanded and increases
Thick dose, stir and produce dispersible oil-suspending agent.
Embodiment 9：24% microcapsule suspending agent
Being formulated composition is：Active components A is 4%, and active component B is 20%, solvent xylene 10%, solvent O-phthalic
Diethyl phthalate 4%, oiliness capsule leather armour phenylene diisocyanate 5%, water-based capsule skin propane diamine 3%, emulsifying agent styryl phenol polyoxy
Vinethene 7%, dispersant APES formaldehyde condensation products sulfat 6%, thickener aluminium-magnesium silicate 0.2%, disperse
WATER AS FLOW MEDIUM complements to 100%.
Preparation method is：After active components A and B are fully dissolved with solvent, oiliness capsule skin is added, is sufficiently stirred to form oil
Phase；It is poured into and is mixed with the aqueous phase of emulsifying agent and dispersant, carries out high speed shear, then add water-based capsule skin, stir,
Then raise temperature to 70 DEG C of heat preservation solidifications 2 hours, microcapsules are made, are eventually adding thickener, stirs and produces microcapsule suspending agent.
Embodiment 10：40% suspension emulsion
Being formulated composition is：Active components A is 32%, and active component B is 8%, solvent xylene 9%, solvent Solvesso
1005%, emulsifying agent alkyl phenol formaldehyde resin polyoxyethylene ether 7%, wetting agent polyoxyethylene sorbitan monolaurate 3%,
Dispersant EO-PO block polyethers 5%, antifreeze glycol 5%, thickener aluminium-magnesium silicate 0.3%, water complements to 100%.
Preparation method is：Active components A, wetting agent, dispersant, antifreezing agent and water are put into stirred tank, are sufficiently stirred
Afterwards, material is pumped into sand mill and be fully ground, suspending agent is made；After active component B is fully dissolved with solvent with breast
Agent is well mixed, and is then added to it in Manufactured suspending agent under the conditions of high speed shear, adds thickener, is carried out high
Speed shearing, is made suspension emulsion after the completion of shearing.
Embodiment 11：54% solvable pulvis
Being formulated composition is：Active components A is 45%, and active component B is 9%, wetting agent lauryl sodium sulfate 4%, point
Powder polycarboxylate 6%, filler attapulgite complement to 100%.
Preparation method is：All materials are well mixed, input air flow pulverizer crushes, and is well mixed and soluble powder is made
Agent.Application effect example：
1st, test method
Reference《NY/T 1155.3-2006 farm-chemical indoor determination test rule herbicide third portions：Determination of activity tries
Test soil spray-on process》Carry out.
Experiment, which is located under greenhouse experiment, to be carried out.Choose several generations in grassy weed, broad leaved weed and sedge weed
Table weeds piemarker, lady's-grass, Amaranthus retroflexus, purslane, eleusine indica, Pharbitis purpurea, Siberian cocklebur, green green bristlegrass, the rhizome of nutgrass flatsedge are miscellaneous for trying
Grass.The rhizome of nutgrass flatsedge is perennial weeds, takes underground rhizome breeding from field；Remaining several weeds is annual grassy weeds, from field
Gather weed seed breeding.
Experiment soil is quantitatively filled at the 4/5 of basin alms bowl.Choose piemarker that is full, uniform, having no mechanical damage, lady's-grass, anti-
Branch amaranth, purslane, eleusine indica, Pharbitis purpurea, Siberian cocklebur or green green bristlegrass seed, after soaking 24h with clear water, by its uniform broadcasting in
Round plastic nutritive cube surface equipped with soil, a diameter of 30cm, 30~40 are broadcast per basin, earthing 1.0cm.Perennial weeds is fragrant
Monkshood takes underground rhizome (long-rhizome such as 3cm) from field, and 10 sections are planted per basin.The moisturizing in a manner of the bottom infiltrating irrigation of basin alms bowl, makes soil
Earth moistens to saturation state completely.The decoction prepared is subjected to soil spraying after sowing 24h.Move into controllable heliogreenhouse and train
Support.Often processing set 4 repetitions, every time repeat 5 basins, using without chemicals treatment as blank control.
21d after chemicals treatment, investigation method investigation records activity of weeding (is counted and surveys) using absolute value, with weighing each processing weeds
Upper part fresh weight, actual preventive effect is calculated, and ternary (is directed to according to Gowing methods (being directed to binary mixture herbicide) or Colby methods
Mixture herbicide) evaluation synergy.Referring to COLBY, S.R.：" collaboration and the Antagonistic reaction that calculate combinations of herbicides ", Weeds
15, p.20~22,1967：
According to survey data, the actual preventive effect of each processing is calculated by formula (1), unit is percentage (%), result of calculation
Retain 2 significant digits.
In formula：
E-actual preventive effect；
C-control weeds aerial part fresh weight；
T-processing weeds aerial part fresh weight.
Gowing methods：Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(2) formula calculates：
In formula：
Actual preventive effect when the dosage of X-herbicide 1 is P；
Actual preventive effect when the dosage of Y-herbicide 2 is Q；
Actual preventive effect after E-herbicide 1 is mixed according to the above ratio with herbicide 2；
E0The dosage of-herbicide 1 is the expection preventive effect of the theoretical preventive effect, i.e. mixture herbicide when the dosage of P+ herbicides 2 is Q.
As E ＞ E0When, i.e., if the actual preventive effect of Mixed Pharmacy exceedes the theoretical preventive effect (it is expected that preventive effect) calculated, then should
Combination just has super superposition, that is, acts synergistically.
Colby methods：Theoretical preventive effect (it is expected that preventive effect) E of Mixed Pharmacy0(3) formula calculates：
In formula：
Actual preventive effect when the dosage of X-herbicide 1 is P；
Actual preventive effect when the dosage of Y-herbicide 2 is Q；
Actual preventive effect when the dosage of Z-herbicide 3 is R；
E0The dosage of-herbicide 1 is that the dosage of P+ herbicides 2 is theoretical preventive effect when the dosage of Q+ herbicides 3 is R, i.e. mixture is removed
The expection preventive effect of careless agent；
E-herbicide 1,2 and 3 presses actual preventive effect during different ratio mixture；
As E ＞ E0When, i.e., if the actual preventive effect of Mixed Pharmacy exceedes the theoretical preventive effect (it is expected that preventive effect) calculated, then should
Combination just has super superposition, that is, acts synergistically.
2nd, result of the test
Result of the test refers to table 1~11, it is seen then that active components A (pyrithiobac-sodium) with selected from active component B (smart napropamide,
Clomazone, fluorochloridone, F9600 and F9960) medicament mixture after, actual preventive effect is all higher than theoretical preventive effect (it is expected that preventive effect),
Illustrate that pyrithiobac-sodium has synergy with the medicament mixture in active component B.
The pyrithiobac-sodium of table 1 and synergy effect of the smart napropamide mixture to piemarker
The pyrithiobac-sodium of table 2 and synergy effect of the smart napropamide mixture to lady's-grass
Synergy effect of the pyrithiobac-sodium Yu clomazones mixture of table 3 to Amaranthus retroflexus
The pyrithiobac-sodium of table 4 and synergy effect of the smart napropamide mixture to purslane
The pyrithiobac-sodium of table 5 and synergy effect of the fluorochloridone mixture to eleusine indica
Synergy effect of the pyrithiobac-sodium Yu clomazones mixture of table 6 to Pharbitis purpurea
The synergy effect of the pyrithiobac-sodium of table 7, fluorochloridone and F9600 mixtures to Siberian cocklebur
The synergy effect of the pyrithiobac-sodium of table 8, smart napropamide Yu clomazones mixture to green green bristlegrass
The synergy effect of the pyrithiobac-sodium of table 9, smart napropamide Yu clomazones mixture to the rhizome of nutgrass flatsedge
The pyrithiobac-sodium of table 10, fluorochloridone and synergy effect of the smart napropamide mixture to Pharbitis purpurea
The pyrithiobac-sodium of table 11, smart napropamide and synergy effect of the F9960 mixtures to Amaranthus retroflexus
Claims (5)
1. a kind of herbicidal composition, it is characterised in that including active components A and B.
2. herbicidal composition as claimed in claim 1, it is characterised in that described active components A is pyrithiobac-sodium.
3. herbicidal composition as claimed in claim 1, it is characterised in that described active component B is smart napropamide, Yi Evil
One or more kinds of combinations in careless pine, fluorochloridone, F9960, F9600.
4. the herbicidal composition as described in claim 1,2 or 3, it is characterised in that in addition to active components A and B, in addition to
The auxiliary agent that can be used in Pesticide formulation.
5. the herbicidal composition as described in claim 1,2,3 or 4, it is characterised in that it is unwanted to be applied to preventing and treating
Plant.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101731235A (en) * | 2010-01-25 | 2010-06-16 | 安徽丰乐农化有限责任公司 | Soybean, peanut and rape field weeding composition |
| CN104170825A (en) * | 2014-09-11 | 2014-12-03 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyrithiobac-sodium, fluorochloridone and haloxyfop-R-methyl, and application thereof |
-
2017
- 2017-09-29 CN CN201710905577.0A patent/CN107568228A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101731235A (en) * | 2010-01-25 | 2010-06-16 | 安徽丰乐农化有限责任公司 | Soybean, peanut and rape field weeding composition |
| CN104170825A (en) * | 2014-09-11 | 2014-12-03 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyrithiobac-sodium, fluorochloridone and haloxyfop-R-methyl, and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 柏亚罗: "评析全球除草剂市场及自家的两个新产品", 《中国农药网》 * |
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