CN105941429A - Compound aqueous solution of 2-methyl-4-chloro-isooctyl ester and bentazone and preparation method thereof - Google Patents
Compound aqueous solution of 2-methyl-4-chloro-isooctyl ester and bentazone and preparation method thereof Download PDFInfo
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- CN105941429A CN105941429A CN201610483391.6A CN201610483391A CN105941429A CN 105941429 A CN105941429 A CN 105941429A CN 201610483391 A CN201610483391 A CN 201610483391A CN 105941429 A CN105941429 A CN 105941429A
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- bentazone
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- compound aqueous
- chlorine
- aqueous solution
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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
- A01N43/88—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
-
- 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
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a compound aqueous solution of 2-methyl-4-chloro-isooctyl ester and bentazone and a preparation method thereof, and relates to the technical field of control of annual broad-leaved weeds in rice transplanting fields. The compound aqueous solution at least comprises 10 parts of 2-methyl-4-chloro-isooctyl ester, 40 parts of the bentazone, 15 parts of a surfactant 8108 (alkyl polysaccharide glycoside) and the balance of water, and 100 parts are provided in total. The preparation method comprises the following steps: adding raw materials into a reaction kettle, stirring and mixing uniformly, sampling for performing content analysis, filtering after reaching a qualified standard, packaging and warehousing. The aqueous solution at the concentration of 50%, which is compounded at the mixture ratio of 1:4, can achieve a significant synergistic range in controlling the annual broad-leaved weeds in the rice transplanting fields; however, preparations compounded in other mixture ratios cannot achieve the significant synergistic range.
Description
Technical field
The present invention relates to transplanted rice field annual broadleaf weed Prevention Technique field, be specifically related to a kind of 2 first 4 different monooctyl esters of chlorine
Compound aqueous with bentazone and preparation method thereof.
Background technology
At present, existing for as anti-in transplanted rice field annual broadleaf weeds such as Herba potamogetonis distincti, Lindernia procumbens (Krock.) Phillcox., Herba monochoriae vaginalis and mexicanas
The Herbicidal combinations controlled, such as Chinese patent " CN 104397079 A " disclose one " the plant composite chemical of preventing and treating Oryza sativa L.
Pesticide ", it is made up of the composition of following parts by weight: synergist 9-15 part, 2 first 4 chlorine different monooctyl ester 0.2-0.6 parts, fluorine pyrrole bacterium acyl
Amine 3-6 part, Herba Taraxaci 11-26 part, root nodule bacteria powder 0.1-0.3 part, nikkomycin powder 0.3-0.6 part, Nanchangmycin powder
2.5-3.5 part, Fructus Tsaoko 3-9 part, Herba Artemisiae Scopariae 2-9 part, Poria 3-8 part, dried Alumen 6-8 part, white rock 10-15 part, water 100-150
Part.Chinese patent " CN 103766354 A " is separately had to disclose one " containing metribuzin and the Herbicidal combinations of bentazone ",
It includes effective ingredient metribuzin and bentazone, and remaining is insecticides adjuvant.The mass fraction ratio of metribuzin and bentazone is 1:
5～1:30, metribuzin and bentazone quality summation mass percent in Herbicidal combinations are 3%～70%.
Inventor verifies through long term test, and these above-mentioned several Herbicidal combinations are primarily present following defect:
1), by concrete proportionings several disclosed in above-mentioned several Herbicidal combinations are tested, find as on Herba potamogetonis distincti, footpath between fields
The transplanted rice field annual broadleaf weeds such as dish, Herba monochoriae vaginalis and mexicana cannot play good prevention effect.
2), for several dosage forms disclosed in above-mentioned several Herbicidal combinations, find all to there is different problem through verification experimental verification
Defect.Such as, the suspending agent made or wettable powder easily cause product to bond, and are difficult in water dispersion and suspend, or blocking
Shower nozzle, the phenomenon such as reason precipitation in aerosol apparatus, cause sprinkling irregular, easily make crop local produce poisoning, its main cause exists
All there is different defects in the selection in auxiliary agent and filler.
3), problem is compounded, by concrete proportionings several disclosed in above-mentioned several Herbicidal combinations being carried out virulence test, heat storage surely
Qualitative test and co-toxicity coefficient measure and find, are all unable to reach obvious potentiation.
Summary of the invention
An object of the present invention is to provide a kind of 2 first 4 different monooctyl esters of chlorine and bentazone compound aqueous, and this water preparation is reasonable in design,
Good to the prevention effect such as transplanted rice field annual broadleaf weeds such as Herba potamogetonis distincti, Lindernia procumbens (Krock.) Phillcox., Herba monochoriae vaginalis and mexicanas, and can be real
The existing 2 first 4 different monooctyl ester of chlorine and the notable synergistic effects of bentazone.
For achieving the above object, present invention employs techniques below scheme:
A kind of 2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, are at least made up of the component of following weight portion:
The 2 first 4 different monooctyl esters of chlorine are phenoxy acetic acid class selectivity Uptake and translocation hormone like herbicide, can destroy the defeated of dicotyledon
Leading tissue, make growth promoter be interfered, stem and leaf distorts, and basal part of stem expands thicker or ftractures.Seedling to grass
Phase is very sensitive, and 3-4 leaf after date resistance gradually strengthens, and late tillering state is the strongest, and panicle primordium dif ferentiation stage sensitivity rises.Low at temperature
When less than 18 DEG C, effect is substantially deteriorated, bad to the weeds effect not being unearthed
Bentazone is the selective contact killing type herbicide after seedling of a kind of tool, processes for weeds stem and leaf in seedling stage.Be mainly used in Oryza sativa L.,
The crops such as Semen sojae atricolor, Semen arachidis hypogaeae, Semen Tritici aestivi, prevent and kill off broad leaved weed and sedge weed.
The 2 first 4 different monooctyl esters of chlorine of the present invention and bentazone are compound aqueous, and its beneficial effect shows:
1), at aspects such as stability, low-temperature stability and heat storage stabilities, water preparation prepared by the present invention is significantly better than that other are joined
Than prepared product.
2), mixed with 1:4 proportioning by experimental verification, the 2 first 4 different monooctyl esters of chlorine and bentazone compounded 50% time 2 first 4
The different monooctyl ester of chlorine and bentazone are compound aqueous, can play notable synergistic sphere of action, and the preparation that other proportioning is mixed, all cannot reach
To notable synergistic sphere of action.Meanwhile, the actual toxicity of different ratio does not promote along with the enhancing of theoretical toxicity, actual poison
Regular change is there is no between property and theoretical toxicity.
Another object of the present invention is to provide a kind of 2 first 4 different monooctyl esters of chlorine and the compound aqueous preparation method of bentazone, by raw material
Add in reactor and be uniformly mixed, sample analysis content, qualified after filter, pack, put in storage.
The 2 first 4 different monooctyl esters of chlorine of the present invention and the compound aqueous preparation method of bentazone, preparation technology is relatively simple, it is easy to industry
Metaplasia is produced.
Detailed description of the invention
Below with reference to embodiment, the present invention is described in detail.But, embodiment content is only to institute of the present invention
The citing made and explanation, described specific embodiment is made various amendment or benefit by affiliated those skilled in the art
Fill or use similar mode to substitute, without departing from the design of invention or surmount scope defined in the claims, all
Protection scope of the present invention should be belonged to.
One, the 2 first 4 different monooctyl esters of chlorine and the compound aqueous preparation of bentazone, and every technology of the water preparation prepared by each embodiment
The testing result of index, heat storage stability result of the test.
Embodiment 1
The 50%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
Preparation method: add raw materials in reactor and be uniformly mixed, sample analysis content, qualified after filter, pack, enter
Storehouse.
Embodiment 2
The 49%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
| Composition | Weight portion |
| The 2 first 4 different monooctyl esters of chlorine | 10 |
| Bentazone | 39 |
| Surfactant 8108 (APG) | 15 |
| Water | 36 |
Preparation method is with embodiment 1.
Embodiment 3
The 48%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
| Composition | Weight portion |
| The 2 first 4 different monooctyl esters of chlorine | 9 |
| Bentazone | 39 |
| Surfactant 8108 (APG) | 15 |
| Water | 37 |
Preparation method is with embodiment 1.
Embodiment 4
The 51%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
| Composition | Weight portion |
| The 2 first 4 different monooctyl esters of chlorine | 11 |
| Bentazone | 40 |
| Surfactant 8108 (APG) | 15 |
| Water | 34 |
Preparation method is with embodiment 1.
Embodiment 5
The 52%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
| Composition | Weight portion |
| The 2 first 4 different monooctyl esters of chlorine | 11 |
| Bentazone | 41 |
| Surfactant 8108 (APG) | 15 |
| Water | 33 |
Preparation method is with embodiment 1.
Embodiment 6
The 50%2 first 4 different monooctyl esters of chlorine and bentazone are compound aqueous, and each component and weight portion thereof are as follows:
| Composition | Weight portion |
| The 2 first 4 different monooctyl esters of chlorine | 10 |
| Bentazone | 40 |
| Deacetylate protoveratrine | 0.5 |
| Surfactant 8108 (APG) | 15 |
| Water | 34.5 |
Preparation method is with embodiment 1.
The 2 first 4 different monooctyl esters of chlorine and bentazone prepared by embodiment 1～6 are compound aqueous, the testing result of product all technical
As shown in table 1, 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 stable in stability, low-temperature stability and heat storage
The aspects such as property are significantly better than that the product prepared by other proportionings.
Two, toxicological information
The 2 first 4 different monooctyl esters of chlorine: rat oral LD50For 800mg/kg, percutaneous LD50>1000mg/kg；Mouse subcutaneous injection LD50
For 492mg/kg.
Bentazone: acute oral LD50For ＞ 5000mg/kg, acute percutaneous LD50＞ 5000mg/kg, acceptable daily intake:
0.03mg/kg.b.w/d。
Three, the 2 first 4 different monooctyl esters of chlorine and bentazone compound aqueous indoor biological activity (virulence) measure.
1 test objective
Pot experiment method method is used to determine the 2 first 4 different monooctyl esters of chlorine and bentazone to Herba potamogetonis distincti, Lindernia procumbens (Krock.) Phillcox., Herba monochoriae vaginalis and successively
The biological activity of dish, selects to provide scientific basis for the proportioning in both the most mixed and production.
2 experimental conditions
2.1 material to be tested
Herba potamogetonis distincti: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Lindernia procumbens (Krock.) Phillcox.: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Herba monochoriae vaginalis: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Mexicana: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
2.2 test medicine
2 first 4 chlorine different monooctyl ester (Chipton) former medicines, innovation methylene blue (Hefei) limited company provides.
Bentazone (bentazone) former medicine, innovation methylene blue (Hefei) limited company provides.
2.3 test proportionings process
It is designed according to embodiment 1-6 proportioning.
2.4 processing mode
2.4.1 the medicament activity test to Herba potamogetonis distincti
After Herba potamogetonis distincti's seed presoaking and germinating, point is sowed at the sectional area 0.25m equipped with earth2Basin in, every basin broadcasts 100, in greenhouse
Cultivation to Herba potamogetonis distincti 1 processes leaf 1 heart stage.Spraying medicinal liquid with POTTER precision laboratory spray tower, spouting liquid is for often to locate
Reason 50ml, keeps ground moistening, and sets clear water blank after medicine.Often process and be repeated 4 times, within after medicine 20 days, weigh each process
Herba potamogetonis distincti's aerial parts fresh weight, the inhibition percentage and the remaining Herba potamogetonis distincti that calculate each process aerial growth are the percent compareed,
The two mixed synergy type to Herba potamogetonis distincti is evaluated by Gowing method.The actual preventive effect of mixe herbicide is counted as follows
Calculate:
E0=X+Y (100-X)/100
In formula: X is the 2 first 4 chlorine different monooctyl ester consumptions fresh weight preventive effects to Herba potamogetonis distincti when being P；
Y be bentazone consumption be Q be the fresh weight preventive effect to Herba potamogetonis distincti；
E0Be 2 first 4 chlorine different monooctyl ester consumptions fresh weight preventive effect+bentazone consumption to Herba potamogetonis distincti when being P be Q be fresh to Herba potamogetonis distincti
Weight preventive effect；
E is the actual preventive effect of mixe herbicide.
E-E0> 10% for potentiation；E-E0<-10% is antagonism；E-E0Value is addition between theoretical value ± 10%.
2.4.2 the medicament activity test to Lindernia procumbens (Krock.) Phillcox.
After Lindernia procumbens (Krock.) Phillcox. seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, remaining same 2.4.1.
2.4.3 the medicament activity test to Herba monochoriae vaginalis
After Herba monochoriae vaginalis seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, remaining same 2.4.1.
2.4.4 the medicament activity test to mexicana
After mexicana seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, remaining 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 Herba potamogetonis distincti0Value is followed successively by 24.15%, and 2.60%, 4.50%,
3.50%, 3.80%, 25.32%；E-E to Lindernia procumbens (Krock.) Phillcox.0Value is respectively 25.50%, 2.50%, 3.55%, 3.70%, 3.75%,
25.85%；E-E to Herba monochoriae vaginalis0Value is respectively 24.17%, 2.45%, 3.45%, 2.25%, 1.16%, 25.00%；To joint
The E-E of joint dish0Value is respectively 23.85%, 1.05%, 3.05%, 1.70%, 2.85%, 24.05%；Thus illustrate embodiment
The synergy of the compound proportion of 1 and 6 belongs to obvious addition potentiation, and the synergy of other embodiments substantially belongs to add
One-tenth effect.Meanwhile, by the experimental data of embodiment 6 it can be seen that to the addition of a small amount of deacetylate in compound aqueous former
After jervine, the compounding synergy of the 2 first 4 different monooctyl esters of chlorine and bentazone can be made to promote further.
Claims (2)
1. the first 4 different monooctyl ester of chlorine and bentazone are compound aqueous, it is characterised in that: at least by the component system of following weight portion
Become:
2. prepare the 2 first 4 different monooctyl esters of chlorine as claimed in claim 1 and the compound aqueous method of bentazone for one kind, it is characterised in that:
Add raw materials in reactor and be uniformly mixed, sample analysis content, qualified after filter, pack, put in storage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483391.6A CN105941429A (en) | 2016-06-25 | 2016-06-25 | Compound aqueous solution of 2-methyl-4-chloro-isooctyl ester and bentazone and preparation method thereof |
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| CN201610483391.6A CN105941429A (en) | 2016-06-25 | 2016-06-25 | Compound aqueous solution of 2-methyl-4-chloro-isooctyl ester and bentazone and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767912A (en) * | 2021-10-22 | 2021-12-10 | 合肥尚邦植保科技有限公司 | Paddy field weeding composition containing 2-methyl-4-chloroisooctyl ester, bentazone and penoxsulam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164324A (en) * | 1997-01-17 | 1997-11-12 | 旅顺农药厂 | Bentazone and MCPA-sodium aqueous solution |
| US20050026784A1 (en) * | 2003-07-28 | 2005-02-03 | Bayer Cropscience Gmbh | Herbicide combinations comprising specific sulfonamides |
| CN105394080A (en) * | 2015-12-24 | 2016-03-16 | 安徽美兰农业发展股份有限公司 | Glyphosate isopropylammonium and glufosinate-ammonium compounded aqua and preparation method thereof |
| CN105410018A (en) * | 2015-12-24 | 2016-03-23 | 安徽美兰农业发展股份有限公司 | Ammonium glyphosate, chipton and clopyralid compound water agent and preparation method thereof |
-
2016
- 2016-06-25 CN CN201610483391.6A patent/CN105941429A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164324A (en) * | 1997-01-17 | 1997-11-12 | 旅顺农药厂 | Bentazone and MCPA-sodium aqueous solution |
| US20050026784A1 (en) * | 2003-07-28 | 2005-02-03 | Bayer Cropscience Gmbh | Herbicide combinations comprising specific sulfonamides |
| CN105394080A (en) * | 2015-12-24 | 2016-03-16 | 安徽美兰农业发展股份有限公司 | Glyphosate isopropylammonium and glufosinate-ammonium compounded aqua and preparation method thereof |
| CN105410018A (en) * | 2015-12-24 | 2016-03-23 | 安徽美兰农业发展股份有限公司 | Ammonium glyphosate, chipton and clopyralid compound water agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767912A (en) * | 2021-10-22 | 2021-12-10 | 合肥尚邦植保科技有限公司 | Paddy field weeding composition containing 2-methyl-4-chloroisooctyl ester, bentazone and penoxsulam |
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