CN104430448B - A kind of composition pesticide containing orthosulfamuron and pyribenzoxim - Google Patents
A kind of composition pesticide containing orthosulfamuron and pyribenzoxim Download PDFInfo
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- CN104430448B CN104430448B CN201410693115.3A CN201410693115A CN104430448B CN 104430448 B CN104430448 B CN 104430448B CN 201410693115 A CN201410693115 A CN 201410693115A CN 104430448 B CN104430448 B CN 104430448B
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- pyribenzoxim
- orthosulfamuron
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Abstract
The invention discloses a kind of composition pesticide containing orthosulfamuron and pyribenzoxim, it includes active ingredient orthosulfamuron and pyribenzoxim, and remaining is insecticides adjuvant, and the quality parts ratio of orthosulfamuron and pyribenzoxim is 1：10~10：1, the mass percent of orthosulfamuron and pyribenzoxim quality summation in composition pesticide is 3%~92%；According to needs are applied, the present invention can be prepared into one kind in dispersible oil-suspending agent, suspending agent, wettable powder, water dispersible granules, for preventing and kill off transplanting rice field annual grassy weeds；Composition pesticide of the present invention prevents and kill off transplanting rice field annual grassy weeds effect and is substantially better than each single dose, reduces dosage, delays herbicide resistance.
Description
Technical field
The present invention relates to a kind of composition pesticide containing orthosulfamuron and pyribenzoxim, for preventing and treating transplanting rice
Field 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, and grass family is miscellaneous
The mixed life of grass, broad leaved weed, nutgrass flatsedge multiclass weeds, single variety herbicide use can not solve farmland weed, can show certain
The defect and limitation of one side.Variety classes herbicide mixture, with herbicidal spectrum it is wide, lift actual effect, delay weeds to resist
The advantages of property of medicine, time and labour saving.
Orthosulfamuron belongs to sulfonylurea herbicide, is the inhibitor of acetolactate synthestase, i.e., by suppressing plant
ALS enzymes, prevent branched-chain amino acid such as valine, isoleucine, leucine biosynthesis, finally destroy protein conjunction
Into interference DNA synthesis and cell division and growth.It can be absorbed by the root and leaf of plant, cause weed growth to stop,
Chlorosis, apical meristem are dead.
Pyribenzoxim is pyrimidinylthiobenzoate herbicides, but the mechanism of action is similar with orthosulfamuron, to rice transplanting
Field, live field barnyard grass, annual broadleaf weed and nutgrass flatsedge have preferable preventive effect.Barnyard grass, angustifolia arrowhead herb, Monochoria korsakowii, eye can be prevented and kill off
The weeds such as sub- dish, Monochoria vaginalis, mexicana, rhizoma alismatis.
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, reduced dosage, reduce cost, delay disease, worm, grass
Evil is drug-fast to be produced, and is the important means that agricultural synthesis is administered.The present inventor matches somebody with somebody to orthosulfamuron and pyribenzoxim
Side's screening has made intensive studies, it is found that orthosulfamuron and pyribenzoxim carry out mixture, in certain mixed ratio scope
There are synergy or summation action, after further study, complete the present invention transplanting rice field annual grassy weeds.
The content of the invention
It is an object of the invention to solve developed immunity to drugs in the prior art to farmland weed problem and actual prevention effect
It is poor that there is provided one kind is efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the composition pesticide of the farmland weed comprehensive regulation.
It is another object of the present invention to be used to the composition pesticide prevent and kill off farmland weed, particularly for transplanting rice field one
Year raw weeds etc..
Technical scheme：To achieve the above object, the invention provides a kind of containing orthosulfamuron and pyribenzoxim
The quality parts ratio of composition pesticide, orthosulfamuron and pyribenzoxim is 1：10~10：1, orthosulfamuron and pyrimidine oxime
Mass percent of the careless ether quality summation in composition pesticide is 3%~92%, and remaining is insecticides adjuvant.
The composition pesticide of the present invention is prepared into any one formulation for being adapted to agriculturally use with known method, compares
Good formulation has dispersible oil-suspending agent, suspending agent, wettable powder, water dispersible granules, and the processing technology of various preparations is
Prior art, can be varied from according to different situations.
The auxiliary agent used in composition pesticide of the present invention includes solvent, emulsifying agent, wetting agent, stabilizer, dispersant, thickening
Agent, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are beneficial to active ingredient and stablize and play the known of drug effect in the formulation
Material, is all the various composition commonly used in pesticidal preparations or allow to use, and specific composition and consumption pass through examination according to recipe requirements
Test determination.
Product described in the invention can be provided in the form of finished product preparation, i.e., each material is blended in composition, group
The composition of compound can also single dose form provide, using it is preceding directly in tank or bucket mix, be then diluted to required for it is dense
Degree.The frequency of administration and amount of application of the present composition change and changed with weather conditions and weeds situation, can be by using
Appropriate dosage reaches the purpose prevented and kill off.
The composition pesticide that the present invention is provided, after rice transplanting is turned green, the leaf phase of weeds 3, is made using cauline leaf spray method
With, can also as needed using agriculturally apply other use technology.
The technology of the present invention is originated：
To further appreciate that the synergy of orthosulfamuron and pyribenzoxim mixture to weeds, the present inventor is to phonetic benzene
Amine sulphur is grand and pyribenzoxim mixture has carried out formulation screening test：
Test material：
Barnyard grass [Echinochloa crusgalli (L.) Beaw Setaria] (field collection seed).
Angustifolia arrowhead herb [Sagittaria trifolia] (field collection seed).
Test apparatus：
Controllable illumination box；POTTER precision laboratory spray towers；Electronic balance (sensibility reciprocal 0.1mg)；Micropipette rifle
Deng.
Test method：
The purity for first weighing certain mass is 98% orthosulfamuron active compound, 95% pyribenzoxim active compound, adds acetone
Fully diluted after dissolving with the 0.1% Tween 80 aqueous solution, single dose mother liquor is configured to respectively, set series to match somebody with somebody according to mixture purpose
Than each proportioning sets 5~7 concentration gradients.Representative susceptible weeds seed, sowing are selected according to single dose herbicide controlling spectrum
Upper 1cm thin soils are covered afterwards.Treat that weeds length, to 3 leaf phases, the weeds for selecting numbering is carried out after cauline leaf spraying treatment successively, light is placed on
According to incubated at room temperature in incubator 20 days, prevention effect (fresh weight preventive effect or strain preventive effect) is calculated, is then calculated and pressed down with least square method
Dense EC in system50(95% confidence limit), then calculate co-toxicity coefficient (CTC) with the abundant methods of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜
Co-toxicity coefficient (CTC) ＜ 120 shows as summation action.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
Theoretical toxicity index (TTI)=(A percentage composition in A toxicity index × mixture)+(B toxicity index × mixed
B percentage composition in agent)
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
Measurement result shows that orthosulfamuron is with pyribenzoxim in mixed ratio 1：10~10：Between 1, with obvious
Synergy or summation action.The mixed ratio of orthosulfamuron and pyribenzoxim is respectively 5:1 and 3:When 1, to barnyard grass and open country
Substantially, co-toxicity coefficient respectively reaches 140.32 and 140.20 for the synergistic effect of arrowhead.
The synergy measurement result of table 1, different ratio orthosulfamuron and pyribenzoxim to barnyard grass
The synergy measurement result of table 2, different ratio orthosulfamuron and pyribenzoxim to angustifolia arrowhead herb
The Herbicidal combinations that the present invention is provided have the advantages that：
1st, the composition pesticide that the present invention is provided, shows obvious synergistic effect, composition in certain ratio range
Prevention effect be significantly improved than single dose, reduce the dosage of agricultural chemicals, reduce times for spraying, reduce medication into
This, reduces adverse effect of the agricultural chemicals to ecological environment.
2nd, the composition pesticide that the present invention is provided, the combination of two kinds of effective ingredients expands herbicidal spectrum, a drug
Weed problem is solved, the defect and limitation when single dose is used is compensate for.
3rd, the composition pesticide 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.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.As 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 modifications, equivalent substitutions and improvements etc., should be included in the scope of the protection.Therefore, it is of the invention
The protection domain of patent should be determined by the appended claims.
Example of formulations one：(75% orthosulfamuron pyribenzoxim wettable powder)
It is well mixed, then is mixed to prepare after air-flow crushing by entering after above-mentioned formula in proportion coarse crushing in blender
75% orthosulfamuron pyribenzoxim wettable powder.
Example of formulations two：(the 15% dispersible oil-suspending agent of orthosulfamuron pyribenzoxim)
Active compound, solvent, emulsifying agent in above-mentioned formula are dissolved into homogeneous oil phase；Under high velocity agitation, it is mixed to prepare 15%
The dispersible oil-suspending agent of orthosulfamuron pyribenzoxim.
Example of formulations three：(15% orthosulfamuron pyribenzoxim suspending agent)
Above-mentioned formula is crushed in advance in proportion, adds in sand mill and grinds, system is allocated after high shear mixing
Obtain 15% orthosulfamuron pyribenzoxim suspending agent.
Example of formulations four：(37.5% orthosulfamuron pyribenzoxim water dispersible granules)
By above-mentioned formula, 37.5% orthosulfamuron pyrimidine oxime grass is made in dry pulverization process, granulation, drying, screening in proportion
Ether water-dispersible granules.
Field control effectiveness test embodiment one：
Reagent agent and dispenser dosage：
(1) 75% orthosulfamuron pyribenzoxim wettable powder (the pyrimidine oxime of 50% orthosulfamuron 25% grass
Ether), every mu of 10 grams of preparation consumption (1#).
(2) the 15% dispersible oil-suspending agents of orthosulfamuron pyribenzoxim (the pyrimidine oxime of 10% orthosulfamuron 5%
Careless ether), every mu of 50 grams of preparation consumption (2#).
(3) 15% orthosulfamuron pyribenzoxim suspending agents (pyribenzoxim of 10% orthosulfamuron 5%), often
Mu 50 grams of consumption of preparation (3#).
(4) the 37.5% orthosulfamuron pyribenzoxim water dispersible granules (pyrimidines of 25% orthosulfamuron 12.5%
Oxime grass ether), every mu of 20 grams of preparation consumption (4#).
(5) 50% orthosulfamuron water dispersible granules, every mu of 10 grams of preparation consumption (5#).
(6) 5% pyribenzoxim missible oil, every mu of 50 grams of preparation consumption (6#).
Dispenser period：After rice transplanting is turned green, the leaf phase of weeds 3, even spraying is watered.
Control object：Barnyard grass, nutgrass flatsedge, angustifolia arrowhead herb, Monochoria vaginalis.
Result of the test is shown in Table 3.As can be seen from the test results：18 days after medicine, using the Herbicidal combinations of the present invention, to moving
The average preventive effect of field annual grassy weeds of transplanting rice seedlings reaches more than 90.7%.It can be seen that, Herbicidal combinations of the invention can be killed effectively
Weeds, expand herbicide controlling spectrum, significantly, quick-acting and lasting period are substantially better than single dose for synergistic effect.Each medicament is not in experimentation
Generation poisoning is seen, to rice safety.
Table 3, preventing and treating transplanting rice field annual grassy weeds field control effectiveness test result
Claims (3)
1. a kind of composition pesticide containing orthosulfamuron and pyribenzoxim, it is characterised in that：Active ingredient is phonetic aniline
Sulphur is grand and pyribenzoxim, and the mass fraction ratio of orthosulfamuron and pyribenzoxim is 1：10~10：1, orthosulfamuron
It is 3%~92% with total mass fraction percentage composition of the pyribenzoxim in herbicidal composition.
2. a kind of composition pesticide containing orthosulfamuron and pyribenzoxim according to claim 1, its feature exists
In：Its formulation is one kind in dispersible oil-suspending agent, suspending agent, wettable powder, water dispersible granules.
3. a kind of composition pesticide containing orthosulfamuron and pyribenzoxim described in claim 1 is preventing and kill off transplanting rice
Application in the annual grassy weeds of field.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693115.3A CN104430448B (en) | 2014-11-25 | 2014-11-25 | A kind of composition pesticide containing orthosulfamuron and pyribenzoxim |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693115.3A CN104430448B (en) | 2014-11-25 | 2014-11-25 | A kind of composition pesticide containing orthosulfamuron and pyribenzoxim |
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| Publication Number | Publication Date |
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| CN104430448A CN104430448A (en) | 2015-03-25 |
| CN104430448B true CN104430448B (en) | 2017-07-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111623A (en) * | 1993-11-13 | 1995-11-15 | 株式会社乐喜 | Novel herbicidal pyrimidine derivatives, process for preparation thereof and their use as herbicide |
| CN1446806A (en) * | 1997-03-13 | 2003-10-08 | 伊萨罗里斯卡公司 | Amino-sulfonylurea compound with herbicidal activity |
| WO2004045285A2 (en) * | 2002-11-21 | 2004-06-03 | Syngenta Participations Ag | Herbicidal composition |
-
2014
- 2014-11-25 CN CN201410693115.3A patent/CN104430448B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111623A (en) * | 1993-11-13 | 1995-11-15 | 株式会社乐喜 | Novel herbicidal pyrimidine derivatives, process for preparation thereof and their use as herbicide |
| CN1446806A (en) * | 1997-03-13 | 2003-10-08 | 伊萨罗里斯卡公司 | Amino-sulfonylurea compound with herbicidal activity |
| WO2004045285A2 (en) * | 2002-11-21 | 2004-06-03 | Syngenta Participations Ag | Herbicidal composition |
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| CN104430448A (en) | 2015-03-25 |
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