CN105707086A - Clomazone and oxadiazon compound emulsifiable concentrate and preparation method thereof - Google Patents
Clomazone and oxadiazon compound emulsifiable concentrate and preparation method thereof Download PDFInfo
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- CN105707086A CN105707086A CN201610231803.7A CN201610231803A CN105707086A CN 105707086 A CN105707086 A CN 105707086A CN 201610231803 A CN201610231803 A CN 201610231803A CN 105707086 A CN105707086 A CN 105707086A
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- oxadiazon
- clomazone
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—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
- A01N43/82—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 five-membered rings with three ring hetero atoms
-
- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01N43/80—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 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses clomazone and oxadiazon compound emulsifiable concentrate and a preparation method thereof and relates to the technical field of prevention and treatment of annual weeds of transplanting rice paddies. The emulsifiable concentrate is at least prepared from 8 parts of clomazone, 12 parts of oxadiazon, 7.5 parts of tristyrylphenol polyoxyethylene ether, 7.5 parts of diphenyl ethylene phenol-formaldehyde condensate polyoxyethylene ether, 15 parts of calcium dodecyl benzene sulfonate and the balance of dimethylbenzene. Clomazone and oxadiazon are added to dimethylbenzene to be stirred until being completely dissolved, then rest raw materials are added and evenly mixed by the aid of a reaction kettle, a sample is taken for content analysis, left to stand after being qualified, filtered and packaged, and a sample is taken again for content analysis and put in storage after being qualified. The compounded 20% clomazone and oxadiazon compound emulsifiable concentrate with clomazone and oxadiazon mixed in the ratio being 2:3 can realize the obvious synergistic effect while preparations adopting other ratios for mixing cannot realize the obvious synergistic effect.
Description
Technical field
The present invention relates to annual grassy weeds Prevention Technique field, transplanting rice field, be specifically related to a kind of different grass pine and oxadiazon compounded cream and preparation method thereof.
Background technology
At present, the existing Herbicidal combinations for transplanting rice field annual grassy weeds preventing and treatings such as such as barnyard grass, Herba Portulacae, Herba Digitariae, such as Chinese patent " CN103960258A " discloses one " Herbicidal combinations containing penoxsuam ", wherein effective active composition is Oxadiargyl, different grass pine and penoxsuam, and the proportioning of three is 1～50:1～70:1～40.Chinese patent " CN103858895A " is separately had to disclose one " rice terrace Synergistic herbicide compositions ", one in oxadiazon and Oxadiargyl, pretilachlor or butachlor, different grass pine, wherein each effective ingredient accounts for the percentage by weight of total composition and is: oxadiazon 5-40% or Oxadiargyl 0.5-20%, pretilachlor 5-30%, different grass pine 2-30%.
Inventor verifies through long term test, and these above-mentioned several Herbicidal combinations are primarily present following defect:
1), tested by several concrete proportionings disclosed in above-mentioned several Herbicidal combinations, it has been found that the transplanting rice field annual grassy weeds such as such as barnyard grass, Herba Portulacae, Herba Digitariae cannot be played good prevention effect.
2), for several dosage forms disclosed in above-mentioned several Herbicidal combinations, the defect that all there is different problem is found through verification experimental verification.Such as, the wettable powder made bonds easily caused by product, and not easily in water, dispersion suspends, or blocking shower nozzle, the phenomenon such as reason precipitation in aerosol apparatus, cause sprinkling irregular, easily making crop local produce poisoning, it main reason is that the selection of auxiliary agent and filler all exists different defects.
3), composite problem, by several concrete proportionings disclosed in above-mentioned several Herbicidal combinations carry out virulence test, heat storage stability test and co-toxicity coefficient measure find, be all unable to reach obvious potentiation.
Summary of the invention
An object of the present invention is in that to provide a kind of different grass pine and oxadiazon compounded cream, this cream is reasonable in design, the prevention effect of the transplanting rice field annual grassy weeds such as such as barnyard grass, Herba Portulacae, Herba Digitariae is good, and the notable synergistic effect that different grass pine is composite with oxadiazon can be realized.
For achieving the above object, present invention employs techniques below scheme:
A kind of different grass pine and oxadiazon compounded cream, be at least made up of the component of following weight portion:
Different grass pine is a kind of selective herbicide, and applicable crops is very extensive, and Semen sojae atricolor, Caulis Sacchari sinensis, Oryza sativa L., Brassica campestris L all obtain registration at home at present.Different grass pine can suppress the pigment synthesis of weeds, after the root of weeds, plumelet, absorption medicament, upwards conducts, it is diffused into blade through xylem, the pigment synthesis suppressing weeds presents albinism, makes weeds can not manufacture nutrient substance by photosynthesis, finally dead because nutrition exhausts.Sand soil is when rainy, or when temperature low soil moisture is bigger.Different grass pine broad weed-killing spectrum, can prevent and kill off annual multiple grassy weed and broad leaved weed such as barnyard grass, Herba Digitariae, Herba Eleusines Indicae, Herba Setariae Viridis, Herba Abutili, Semen Euphorbiae, knotweed, Herba Solani Nigri, Herba stellariae mediae etc..
Oxadiazon is used for preventing and kill off multiple annual unifacial leaf and broadleaf weed, is mainly used in rice weeding, and the Semen arachidis hypogaeae of dry land, Cotton Gossypii, Caulis Sacchari sinensis etc. is also effective；Post-emergence herbicide before contact bud.Make soil treatment, floods and droughts field uses.Absorb mainly through weeds plumelet and stem and leaf and work, good removing activity can be played when there being light.Budding period weeds are particularly sensitive, and when weeds one germinate, the growth of bud scale is just suppressed, and its tissue rots rapidly, and weeds are dead；Along with weeds growth drug effect declines, the weeds grown up are substantially invalid.Longevity of residure length, broad weed-killing spectrum, soil, stem and leaf process.
The different grass pine of the present invention and oxadiazon compounded cream, its beneficial effect shows:
1), cream prepared by the present invention is significantly better than that the product prepared by other proportionings in stability of emulsion, low-temperature stability and heat storage stability etc..
2), verify by experiment, different grass pine and oxadiazon with 2:3 proportioning mixed composite 20% time different grass pine and oxadiazon compounded cream, can play notable synergistic sphere of action, and the preparation that other proportioning is used with, all be unable to reach notable synergistic sphere of action.Meanwhile, the actual toxicity of different ratio does not promote along with the enhancing of theoretical toxicity, there is no regular change between actual toxicity and theoretical toxicity.
Another object of the present invention is to the preparation method that a kind of different grass pine and oxadiazon compounded cream are provided, different grass pine and oxadiazon are added stirring in dimethylbenzene and treats whole dissolving, it is subsequently adding tristyrylphenol polyoxyethylene ether, diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether and calcium dodecyl benzene sulfonate and is uniformly mixed by reactor, sample analysis content, standing, filtration, packaging, again sample analysis content, warehousing after passing after qualified.
The different grass pine of the present invention and the preparation method of oxadiazon compounded cream, preparation technology is relatively simple, it is easy to industrialized production.
Detailed description of the invention
Below with reference to embodiment, the present invention is described in detail.But; embodiment content is only citing made for the present invention and explanation; described specific embodiment is made various amendment or supplements or adopt similar mode to substitute by affiliated those skilled in the art; conceiving or surmounting the scope that present claims book is defined without departing from invention, all should belong to protection scope of the present invention.
One, the preparation of different grass pine and oxadiazon compounded cream, and the testing result of all technical of the cream prepared by each embodiment, heat storage stability result of the test.
Embodiment 1
20% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Different grass pine | 8 |
| Oxadiazon | 12 |
| Tristyrylphenol polyoxyethylene ether | 7.5 |
| Diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether | 7.5 |
| Calcium dodecyl benzene sulfonate | 15 |
| Dimethylbenzene | 50 |
Preparation method: different grass pine and oxadiazon are added stirring in dimethylbenzene and treats whole dissolving, it is subsequently adding tristyrylphenol polyoxyethylene ether, diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether and calcium dodecyl benzene sulfonate and is uniformly mixed by reactor, sample analysis content, standing, filtration, packaging, again sample analysis content, warehousing after passing after qualified.
Embodiment 2
19.5% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Different grass pine | 7.5 |
| Oxadiazon | 12 |
| Tristyrylphenol polyoxyethylene ether | 7.5 |
| Diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether | 7.5 |
| Calcium dodecyl benzene sulfonate | 15 |
| Dimethylbenzene | 50.5 |
Preparation method is with embodiment 1.
Embodiment 3
19% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
Preparation method is with embodiment 1.
Embodiment 4
20.5% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Different grass pine | 8 |
| Oxadiazon | 12.5 |
| Tristyrylphenol polyoxyethylene ether | 7.5 |
| Diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether | 7.5 |
| Calcium dodecyl benzene sulfonate | 15 |
| Dimethylbenzene | 49.5 |
Preparation method is with embodiment 1.
Embodiment 5
21% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Different grass pine | 9 |
| Oxadiazon | 12 |
| Tristyrylphenol polyoxyethylene ether | 7.5 |
| Diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether | 7.5 |
| Calcium dodecyl benzene sulfonate | 15 |
| Dimethylbenzene | 49 |
Preparation method is with embodiment 1.
Embodiment 6
20% different grass pine and oxadiazon compounded cream, each component and weight portion thereof are as follows:
Preparation method: different grass pine and oxadiazon are added stirring in dimethylbenzene and treats whole dissolving, it is subsequently adding river bran element, tristyrylphenol polyoxyethylene ether, diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether and calcium dodecyl benzene sulfonate and is uniformly mixed by reactor, sample analysis content, standing, filtration, packaging, again sample analysis content, warehousing after passing after qualified.
Different careless loose and oxadiazon compounded cream prepared by embodiment 1～6, the testing result of product all technical is as shown in table 1, and product heat storage stability result of the test is as shown in table 2.
16 embodiments of table prepare the testing result of product all technical
26 embodiments of table prepare product heat storage stability result of the test
By table 1 and 2 it can be seen that the product of embodiment 1 and 6 preparation is significantly better than that the product prepared by other proportionings in stability of emulsion, low-temperature stability and heat storage stability etc..
Two, toxicological information
Oxadiazon: rat acute per os LD50> 5000mg/kg；Rat acute percutaneous LD50>2000mg/kg。
Different grass pine: to rat acute per os LD50It is 1369～2077mg/kg；The acute percutaneous LD of rabbit50> 2000mg/kg, rat acute sucks LC50For 4.8mg/L.Rabbit skin there is is minimal irritation, eyes are non-stimulated.
Three, indoor biological activity (virulence) of different grass pine and oxadiazon compounded cream measures.
1 test objective
Adopt pot experiment method method determine different grass pine and oxadiazon to barnyard grass, Herba Portulacae, Herba Digitariae biological activity, select to provide scientific basis for both rationally mixed and the proportioning in producing.
2 experimental conditions
2.1 materials to be tested
Barnyard grass [Echinochloacrusgalli (L.) Beauv]: Seed storage is collected in Anhui Meilan Agricultural Development Co., Ltd.'s laboratory field.
Herba Portulacae [PortulacaoleraceaL.]: Seed storage is collected in Anhui Meilan Agricultural Development Co., Ltd.'s laboratory field.
Herba Digitariae [Digitariasanguinalis (L.) Scop]: Seed storage is collected in Anhui Meilan Agricultural Development Co., Ltd.'s laboratory field.
2.2 test medicines
94% different grass pine (Clomazone) former medicine, Anhui Meilan Agricultural Development Co., Ltd. provides；
98% oxadiazon (Oxadiazon) former medicine, Anhui Meilan Agricultural Development Co., Ltd. provides.
2.3 test proportionings process
It is designed according to embodiment 1-6 proportioning.
2.4 processing modes
2.4.1 the medicament activity test to barnyard grass
After barnyard grass seed presoaking and germinating, point is sowed at the sectional area 0.25m equipped with earth2Basin in, every basin broadcasts 100, is cultured to barnyard grass 1 leaf 1 heart stage and processes in greenhouse.Spraying medicinal liquid with POTTER precision laboratory spray tower, spouting liquid, for often processing 50ml, keeps ground moistening, and sets clear water blank after medicine.Often processing and repeat 4 times, within after medicine 20 days, weigh each process barnyard grass aerial parts fresh weight, the inhibition percentage and the remaining barnyard grass that calculate each process aerial growth are the percent compareed, and evaluate the two mixed synergy type to barnyard grass by Gowing method.The actual preventive effect of mixe herbicide calculates as follows:
E0=X+Y (100-X)/100
In formula: the fresh weight preventive effect that X is oxadiazon consumption when being P to barnyard grass；
Y is different grass pine consumption be Q is the fresh weight preventive effect to barnyard grass；
E0Be Q to the fresh weight preventive effect of barnyard grass+different grass pine consumption when being P for oxadiazon consumption it is the fresh weight preventive effect to barnyard grass；
E is the actual preventive effect of mixe herbicide.
E-E0> 10% is potentiation；E-E0<-10% is antagonism；E-E0Value is addition between theoretical value ± 10%.
2.4.2 the medicament activity test to Herba Portulacae
After Herba Portulacae seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, all the other same 2.4.1.
2.4.3 the medicament activity test to Herba Digitariae
After Herba Digitariae seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, all the other same 2.4.1.
3 interpretations of result and discussion
The mixture of embodiment 1-6 totally 6 the different compound proportions E-E to barnyard grass0Value is followed successively by 25.15%, and 1.65%, 3.50%, 2.50%, 2.85%, 28.20%；E-E to Herba Portulacae0Value respectively 24.85%, 2.00%, 3.05%, 2.75%, 2.55%, 26.05%；E-E to Herba Digitariae0Value respectively 24.50%, 2.55%, 3.55%, 2.75%, 2.70%, 26.55%.Thus the synergy describing the embodiment 1 compound proportion relative to embodiment 2-5 belongs to obvious addition potentiation, and the synergy of embodiment 2-5 substantially belongs to addition.Meanwhile, by the experiment of embodiment 6 it can be seen that after with the addition of a small amount of river bran element in compounded cream, the composite synergy of different grass pine and oxadiazon can be made to promote further.
Claims (2)
1. a different grass pine and oxadiazon compounded cream, it is characterised in that: at least it is made up of the component of following weight portion:
2. the method preparing different grass pine as claimed in claim 1 and oxadiazon compounded cream, it is characterized in that: different grass pine and oxadiazon are added stirring in dimethylbenzene and treats whole dissolving, it is subsequently adding tristyrylphenol polyoxyethylene ether, diphenylethyllene phenol formaldehyde condensation products polyoxyethylene ether and calcium dodecyl benzene sulfonate and is uniformly mixed by reactor, sample analysis content, standing, filtration, packaging, again sample analysis content, warehousing after passing after qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231803.7A CN105707086A (en) | 2016-04-13 | 2016-04-13 | Clomazone and oxadiazon compound emulsifiable concentrate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610231803.7A CN105707086A (en) | 2016-04-13 | 2016-04-13 | Clomazone and oxadiazon compound emulsifiable concentrate and preparation method thereof |
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| CN201610231803.7A Pending CN105707086A (en) | 2016-04-13 | 2016-04-13 | Clomazone and oxadiazon compound emulsifiable concentrate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017078638A1 (en) * | 2015-11-06 | 2017-05-11 | Entovest Ilaç Kimya Ve Teknoloji̇ Araştirma Merkezi̇ San. Ti̇c.Ltd.Şti̇ | Synergistic herbicidal composition of oxadiazon and clomazone for use in rice |
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| WO2017078638A1 (en) * | 2015-11-06 | 2017-05-11 | Entovest Ilaç Kimya Ve Teknoloji̇ Araştirma Merkezi̇ San. Ti̇c.Ltd.Şti̇ | Synergistic herbicidal composition of oxadiazon and clomazone for use in rice |
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Application publication date: 20160629 |