CN106665614A - Weeding composition containing penoxsulam, bispyribac-sodium and mefenacet - Google Patents
Weeding composition containing penoxsulam, bispyribac-sodium and mefenacet Download PDFInfo
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- CN106665614A CN106665614A CN201611134995.6A CN201611134995A CN106665614A CN 106665614 A CN106665614 A CN 106665614A CN 201611134995 A CN201611134995 A CN 201611134995A CN 106665614 A CN106665614 A CN 106665614A
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- Prior art keywords
- bispyribac
- sodium
- mefenacet
- penoxsuam
- herbicidal combinations
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- 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
- A01N43/74—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 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition containing penoxsulam, bispyribac-sodium and mefenacet. The weeding composition comprises the following effective components of penoxsulam, bispyribac-sodium and mefenacet at the weight ratio of (1-20):(1-10):(1-100), wherein the weight percentage of the weight sum of the penoxsulam, the bispyribac-sodium and the mefenacet in the composition is 5%-80%. According to the requirement of practical application, the weeding composition can be prepared into one of a water suspending agent, an oil-dispersible suspending agent, an emulsion in water, a micro-emulsion, wettable powder, water-dispersible granules and granules, and can be used for preventing annual weeds in a paddy field.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations of rice terrace, are to be with penoxsuam, bispyribac-sodium and mefenacet
Effective ingredient, for preventing and treating rice terrace annual grassy weeds.
Background technology
Chemical method weeding is agriculturally to control one of Main Means of weeds.In recent years, due to some herbicide kinds
Large area is used alone, and already leads to many weeds and develops immunity to drugs.Meanwhile, grass when weeds occur is mutually complicated, various weeds
Mixed life, single variety herbicide use can not solve farmland weed, can show defect in a certain respect and limitation.It is different
Species herbicide mixture, with herbicidal spectrum it is wide, lift actual effect, delay herbicide resistance, time and labour saving advantage.
Penoxsuam, English name：Penoxsulam, chemical name：3- (2,2- difluoroethoxies)-N- (5,8- diformazans
Epoxide-[1,2,4] triazol [1,5-C] pyrimidine -2-base)-α, α, α-fluoroform phenyl -2- sulfonamide.Penoxsuam is to pass
Conductivity type herbicide, Jing stem and leaf, plumelet and Root Absorption are conducted to separate living tissue by xylem and phloem, suppress plant life
It is long, make growing point chlorosis, after process 7-14d terminal buds redden, necrosis, 2-4 week plant are dead.
Bispyribac-sodium, English name：Bispyribac-sodium, chemical name：Double (the 4,6- SDM base -2- oxygen of 2,6-
Base) Sodium Benzoate.Bispyribac-sodium belongs to pyrimidinylthiobenzoate herbicides, is highly active inhibitor of acetolactate synthetase, and this product is applied
Can be absorbed by the root of weeds, stem and leaf quickly after medicine, and be conducted to whole plant, suppress plant meristem growth, so as to kill
Weeds.
Mefenacet, English name：Mefenacet, chemical name：2-[4-morpholinodithio -2- base oxygen-N- methyl acetanilides
Amine.Mefenacet is selectivity inner sucting conduction type acyl aniline herbicide, is cell growth and division inhibitor, to young former female
The division of cell has especially strong inhibitory action, is mainly conducted to weeds by bud scale and root absorption, Jing xylem and phloem
Plumelet and tender leaf, prevent the elongation of weed growth point cell division, be gathered in growth quickly after grassy weed contacts this medicine
At point, blast cell is particularly to cell and plays suppression cell division, increase, so as to hinder the growth of weeds until dead.
Variety classes herbicide mixture, with herbicidal spectrum it is wide, lift actual effect, delay herbicide resistance, time and labour saving
Advantage.Screened by formulation of pesticide, actual prevention effect can be effectively improved, reduce dosage, reduces cost delays disease, worm, grass
The drug-fast generation of evil, is the important means of agricultural synthesis improvement.The present inventor is to penoxsuam, bispyribac-sodium and benzene thiophene acyl grass
The recipe determination of amine has made intensive studies, it is found that penoxsuam, bispyribac-sodium and mefenacet carry out mixture, certain
Mixed ratio scope has potentiation, after further study, complete the present invention rice terrace annual grassy weeds.
The content of the invention
It is an object of the invention to solve in prior art the problem that develops immunity to drugs to farmland weed, there is provided it is a kind of efficiently,
Low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of farmland weed comprehensive control.
It is another object of the present invention to the Herbicidal combinations are used to prevent and kill off rice terrace annual grassy weeds.
Technical scheme：A kind of Herbicidal combinations containing penoxsuam and bispyribac-sodium and mefenacet, effectively into
It is divided into penoxsuam, bispyribac-sodium and mefenacet, the part by weight of penoxsuam, bispyribac-sodium and mefenacet is successively
For 1~20:1~10:1~100, the weight summation of penoxsuam, bispyribac-sodium and mefenacet weight hundred in the composition
Divide than being 5%~80%, remaining is insecticides adjuvant.
The known method of Herbicidal combinations of the present invention is prepared into any one dosage form for being adapted to agriculturally use, relatively good
Dosage form be aqueous suspension agent, dispersible oil-suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules, granule.
Auxiliary agent used in the present composition includes solvent, dispersant, stabilizer, emulsifying agent, antifreezing agent, thickening agent etc.
And other are beneficial to effective ingredient known substance that is stable and playing drug effect in the formulation, are all to commonly use in pesticidal preparations or allow
The various composition for using, is not particularly limited, and concrete composition and consumption are determined according to recipe requirements by simple test.
The production technology of the various application forms of Herbicidal combinations that the present invention is provided belongs to existing known technology, and here is no longer
Repeat.
Product described in the invention can be provided in the form of finished product preparation, i.e., each material is blended in compositionss, group
The composition of compound can also the form of single dose provide, directly mixed in tank or bucket using front, it is dense required for being then diluted to
Degree.The frequency of administration and amount of application of the present composition changes with weather condition and crop condition and changes, can be by using
Appropriate dosage form reaches the purpose of preventing and treating.
The Herbicidal combinations that the present invention is provided, are watered soil spraying or mix soil and spread in the rice direct seeding field Oryza sativa L. vertical pin phase
Apply.
In China's Rice Production, bispyribac-sodium is mainly used at present the spraying of rice terrace stem and leaf carries out weeding, prevents and treats barnyard grass
With part broad leaved weed, consumption is 3-6g a.i./mu, and the use age must be after the heart of 3 leaf of Oryza sativa L. 1.The present inventor couple
Bispyribac-sodium carries out research discovery, is entered using bispyribac-sodium in the budding period in direct seading rice water in field rice vertical pin phase, barnyard grass and Semen Euphorbiae
Row soil treatment, consumption is 0.5-1g a.i./mu, and barnyard grass, the prevention effect of Semen Euphorbiae are projected very much, is current rice terrace
Conventional herbicide pretilachlor institute is inaccessiable.If bispyribac-sodium is used for rice terrace stem and leaf weed sprays, the preventive effect to Semen Euphorbiae
Very poor, the present invention changes conventional use age and consumption of the bispyribac-sodium in rice terrace, Semen Euphorbiae has been reached not expected
Good herbicidal effect.
The Herbicidal combinations that the present invention is provided have the advantages that：
1st, the Herbicidal combinations that the present invention is provided, show obvious potentiation, compositionss in certain ratio range
Prevention effect be significantly improved than single dose, reduce the using dosage of pesticide, reduce times for spraying, reduce medication into
This, reduces adverse effect of the pesticide to ecological environment.
2nd, the Herbicidal combinations that the present invention is provided, the combination of three kinds of effective ingredient expands herbicidal spectrum, a drug
Weed problem is solved, the defect and limitation when single dose is used is compensate for.
3rd, the Herbicidal combinations that the present invention is provided, three kinds of effective ingredient mechanism of action are inconsistent, can overcome long-term single
Using the shortcoming for easily producing resistance, extend the service life of medicament, the comprehensive control important in inhibiting to Weed Resistance.
4th, the Herbicidal combinations that the present invention is provided, drug effect plays rapid, and the lasting period is long, and use cost is low, easy to use, saves
Shi Shengli, its popularization and application have huge economic benefit and social benefit.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention are more short and sweet, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.Described below is only the present invention preferably embodiment, is used only for retouching
State the present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that it is all the spirit and principles in the present invention it
Interior done any modification, equivalent and improvement etc., should be included within the scope of the present invention, therefore, the present invention
The protection domain of patent should be defined by claims.
Embodiment 1：42.5% penoxsuam bispyribac-sodium mefenacet aqueous suspension agent
Concrete operation step is：First by other auxiliary agent mixing, shear-mixed is uniform in cutter, is subsequently adding active compound,
2-3h is ground in ball crusher, a diameter is made in below 5mm, you can 42.5% penoxsuam bispyribac-sodium benzene thiophene is obtained
Acyl grass aqueous amine suspending agent.
Embodiment 2：22.2% penoxsuam bispyribac-sodium mefenacet aqueous emulsion
Concrete operation step is：First active compound, trimethylbenzene, Sorbitan fatty acid ester are mixed, dissolving becomes equal
Even oil phase.Part water and other auxiliary agents are mixed again, dissolving becomes uniform water phase.Then in a kettle. at a high speed
Oil phase is added into water phase while stirring, is slowly added water to and is reached phase inversion point, high speed shear is carried out afterwards, and added remaining
Water, shears about 30min, you can 22.2% penoxsuam bispyribac-sodium mefenacet aqueous emulsion is obtained.
Embodiment 3：34% penoxsuam bispyribac-sodium mefenacet microemulsion
Concrete operation step is：First active compound is completely dissolved with fatty acid methyl ester, other auxiliary agents are then added, mixing is equal
It is even, water is eventually adding, after being sufficiently stirred for, you can 34% penoxsuam bispyribac-sodium mefenacet microemulsion is obtained.
Embodiment 4：43% penoxsuam bispyribac-sodium mefenacet wettable powder
Concrete operation step is：Active compound, other auxiliary agents are sufficiently stirred in stirred tank, are mixed Jing after jet mill is crushed
Close uniform, you can 43% penoxsuam bispyribac-sodium mefenacet wettable powder is obtained.
Embodiment 5：42% penoxsuam bispyribac-sodium mefenacet water dispersible granules
Concrete operation step is：To there are active compound, other auxiliary agent mix homogeneously, be crushed with micro jet, Jing will be mediated
Add afterwards is carried out after pelletize, drying, screening in fluidized-bed granulation dryer, you can 42% penoxsuam bispyribac-sodium is obtained
Mefenacet water dispersible granules.
Embodiment 6：32% penoxsuam bispyribac-sodium mefenacet dispersibles oil-suspending agent
Concrete operation step is：Active compound is mixed homogeneously with other auxiliary agents, clipped dispersion 20~30 minutes, sand mill sand
Mill 2~3 hours, particle diameter is below 5 microns, you can 32% penoxsuam bispyribac-sodium mefenacet is obtained and dispersibles oil
Suspending agent.
Embodiment 7：3.15% penoxsuam bispyribac-sodium mefenacet granule
Concrete operation step is：By active compound and above-mentioned auxiliary agent in closed compounding kettle mix homogeneously, peplos method pelletize,
It is dried to granule water content under the conditions of 110-120 DEG C and is less than 3%, sieve, particle size range 2000-4000 μm, Jing is after the assay was approved
Obtain 3.15% penoxsuam bispyribac-sodium mefenacet granule.
Embodiment 8：Indoor virulence and synergy bioassay
Using the method for pouring (NY-T 1155.5-2006).Test soil is quantitatively filled at the 3/4 of basin alms bowl, then from basin alms bowl top
Portion's watering pours water, makes soil moisten completely.Water layer will be then kept for trying weed seed uniform broadcasting in soil surface, blinding 1cm
Quantitative liquid medicine is taken with pipettor after 1-2cm, 24h, is poured respectively from low to high by EXPERIMENTAL DESIGN.4 repetitions are often processed, and
If the process without medicament is used as blank.Warm indoor cultivation is moved into after process, 1-2cm water layers are remained during test.
18 days after process, clip weeds ground fresh weight part is weighed, and calculates fresh weight inhibition.
Target weeds damage symptoms and growth inhibited situation are estimated after test process 18d, and claims aerial partss fresh weight, calculated
Fresh weight inhibition (%).
Fresh weight survival rate P0(%)=100%-P
Herbicide associated form (NY/T 1155.7-2006) is evaluated according to Gowing methods, its formula is as follows：
E0﹦ XYZ/1002
In formula, X be penoxsuam with certain dosage when alone to the fresh weight survival rate of target weeds；Y is bispyribac-sodium with certain
To the fresh weight survival rate of target weeds when dosage is alone；Z is fresh weight of the mefenacet with certain dosage when alone to target weeds
Survival rate；E0For penoxsuam, three kinds of pharmacy mix of bispyribac-sodium and mefenacet when theory to target weeds survival rate
Value；Measured value when E is penoxsuam, three kinds of pharmacy mix of bispyribac-sodium and mefenacet to target weeds survival rate.
Evaluation criterion：Work as E0During-E ＞ 10%, potentiation is expressed as；As 10%≤E of ﹣0During-E≤10%, phase is shown as
Plus effect；Work as E0During-E ＜ ﹣ 10%, antagonism is shown as.
This Herbicidal combinations is to barnyard grass, the indoor building performance determination test result such as following table of Semen Euphorbiae：
Toxicity test result of table 1, penoxsuam, bispyribac-sodium, the mefenacet and its mixture combination to barnyard grass
Toxicity test result of table 2, penoxsuam, bispyribac-sodium, the mefenacet and its mixture combination to Semen Euphorbiae
Embodiment 9：Field control effectiveness test
Reagent agent and dispenser dosage：
(1) 42.5% penoxsuam bispyribac-sodium mefenacet suspending agent, 100 grams of (preparations of every mu of preparation consumption
Embodiment 1).
(2) 22.2% penoxsuam bispyribac-sodium mefenacet aqueous emulsions, 200 grams of (preparations of every mu of preparation consumption
Embodiment 2).
(3) 34% penoxsuam bispyribac-sodium mefenacet microemulsions, 100 grams of (preparation realities of every mu of preparation consumption
Apply example 3).
(4) 43% penoxsuam bispyribac-sodium mefenacet wettable powders, every mu of 100 grams of preparation consumption (system
Agent embodiment 4).
(5) 42% penoxsuam bispyribac-sodium mefenacet water dispersible granules, 50 grams of (preparations of every mu of preparation consumption
Embodiment 5).
(6) 32% penoxsuam bispyribac-sodium mefenacets dispersible oil-suspending agent, every mu of 200 grams of preparation consumption
(example of formulations 6).
(7) 3.15% penoxsuam bispyribac-sodium mefenacet granules, 1000 grams of (preparations of every mu of preparation consumption
Embodiment 7).
Comparison medicament and dispenser dosage：
(8) 2.5% penoxsuams dispersible oil-suspending agent, every mu of 100 grams of preparation consumption (comparison medicament 1).
(9) 10% bispyribac-sodium dispersible oil suspended agents, every mu of 10 grams of preparation consumption (comparison medicament 2).
(10) 40% mefenacet wettable powders, every mu of 80 grams of preparation consumption (comparison medicament 3).
Subjects and method：
This Herbicidal combinations, in the direct seading rice vertical pin phase, is watered 30 by barnyard grass, Semen Euphorbiae, Alternanthera philoxeroides, cyperus iria
Liter/mu, carries out soil spraying, and granule is then mixed soil and spread fertilizer over the fields.
Result of the test：3 are shown in Table, as can be seen from the test results：The Herbicidal combinations of the present invention are annual to rice terrace miscellaneous
The average preventive effect of grass reaches more than 90%, hence it is evident that is better than and shines medicament, and potentiation significantly, and expands herbicidal spectrum, quick-acting
Single dose is substantially better than with the lasting period.The Herbicidal combinations of the present invention affect to rice safety without poisoning and the underproduction.
Table 3, preventing and treating rice terrace annual grassy weeds field control effectiveness test result (after medicine 15 days)
Claims (3)
1. Herbicidal combinations containing penoxsuam and bispyribac-sodium and mefenacet, it is characterised in that：Effective ingredient is
Penoxsuam, bispyribac-sodium and mefenacet, the part by weight of penoxsuam, bispyribac-sodium and mefenacet is followed successively by 1
~20:1~10:1~100.The weight summation of penoxsuam, bispyribac-sodium and mefenacet percentage by weight in the composition
For 5%~80%.
2. a kind of Herbicidal combination containing penoxsuam and bispyribac-sodium and mefenacet according to claim 1
Thing, it is characterised in that：Described Herbicidal combinations can be prepared as aqueous suspension agent, dispersible oil-suspending agent, aqueous emulsion, microemulsion
One kind in agent, wettable powder, water dispersible granules, granule.
3. a kind of Herbicidal combinations containing penoxsuam and bispyribac-sodium and mefenacet described in claim 1 are anti-
Except the application of rice terrace annual grassy weeds.
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| CN112155014A (en) * | 2020-10-14 | 2021-01-01 | 天津市汉邦植物保护剂有限责任公司 | Paddy field weeding granule containing penoxsulam, mefenacet and bensulfuron-methyl as well as preparation method and application thereof |
| CN112790194A (en) * | 2021-01-12 | 2021-05-14 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing penoxsulam, anilofos and mefenacet |
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| CN112790194A (en) * | 2021-01-12 | 2021-05-14 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing penoxsulam, anilofos and mefenacet |
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Application publication date: 20170517 |