CN103749453B - A kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate - Google Patents
A kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate Download PDFInfo
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- CN103749453B CN103749453B CN201310737632.1A CN201310737632A CN103749453B CN 103749453 B CN103749453 B CN 103749453B CN 201310737632 A CN201310737632 A CN 201310737632A CN 103749453 B CN103749453 B CN 103749453B
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- Prior art keywords
- clopyralid
- bromoxynil octanoate
- herbicidal combinations
- suspending agent
- bromoxynil
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- DQKWXTIYGWPGOO-UHFFFAOYSA-N (2,6-dibromo-4-cyanophenyl) octanoate Chemical compound CCCCCCCC(=O)OC1=C(Br)C=C(C#N)C=C1Br DQKWXTIYGWPGOO-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000005500 Clopyralid Substances 0.000 title claims abstract description 39
- HUBANNPOLNYSAD-UHFFFAOYSA-N clopyralid Chemical compound OC(=O)C1=NC(Cl)=CC=C1Cl HUBANNPOLNYSAD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 30
- 239000000375 suspending agent Substances 0.000 claims abstract description 12
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 6
- 239000004563 wettable powder Substances 0.000 claims abstract description 6
- 239000002671 adjuvant Substances 0.000 claims abstract 2
- 239000002917 insecticide Substances 0.000 claims abstract 2
- 239000002253 acid Substances 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 239000002552 dosage form Substances 0.000 claims description 3
- MAKFMOSBBNKPMS-UHFFFAOYSA-N 2,3-dichloropyridine Chemical compound ClC1=CC=CN=C1Cl MAKFMOSBBNKPMS-UHFFFAOYSA-N 0.000 claims description 2
- -1 dichloro pyrrole Pyridine Chemical group 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 39
- 239000000203 mixture Substances 0.000 abstract description 28
- 239000004009 herbicide Substances 0.000 abstract description 9
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 8
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 8
- 235000005822 corn Nutrition 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 241000209149 Zea Species 0.000 abstract 2
- 239000004480 active ingredient Substances 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 239000003814 drug Substances 0.000 description 8
- 238000009472 formulation Methods 0.000 description 8
- 240000008042 Zea mays Species 0.000 description 6
- 231100000419 toxicity Toxicity 0.000 description 6
- 230000001988 toxicity Effects 0.000 description 6
- 240000001579 Cirsium arvense Species 0.000 description 5
- 235000005918 Cirsium arvense Nutrition 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 239000000575 pesticide Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- NXVWESYBAJSRQF-UHFFFAOYSA-N 2,3-dichloro-1h-pyrrole Chemical group ClC=1C=CNC=1Cl NXVWESYBAJSRQF-UHFFFAOYSA-N 0.000 description 1
- AFMPMSCZPVNPEM-UHFFFAOYSA-N 2-bromobenzonitrile Chemical compound BrC1=CC=CC=C1C#N AFMPMSCZPVNPEM-UHFFFAOYSA-N 0.000 description 1
- FNRMMDCDHWCQTH-UHFFFAOYSA-N 2-chloropyridine;3-chloropyridine;4-chloropyridine Chemical compound ClC1=CC=NC=C1.ClC1=CC=CN=C1.ClC1=CC=CC=N1 FNRMMDCDHWCQTH-UHFFFAOYSA-N 0.000 description 1
- 244000237956 Amaranthus retroflexus Species 0.000 description 1
- 235000013479 Amaranthus retroflexus Nutrition 0.000 description 1
- 229930192334 Auxin Natural products 0.000 description 1
- 239000005489 Bromoxynil Substances 0.000 description 1
- 108020005120 Plant DNA Proteins 0.000 description 1
- 108020005089 Plant RNA Proteins 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 244000234609 Portulaca oleracea Species 0.000 description 1
- 235000001855 Portulaca oleracea Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 230000003567 photophosphorylation Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate, it includes active ingredient clopyralid and bromoxynil octanoate, remaining is insecticides adjuvant, the mass fraction of clopyralid and bromoxynil octanoate is 3%～80% than for 1:5～5:1, clopyralid and bromoxynil octanoate quality summation mass percent in Herbicidal combinations.According to application needs, the present invention can be prepared as dispersibling the one in oil-suspending agent, suspending agent, wettable powder, water dispersible granules, is used for preventing and kill off corn field annual broadleaf weed.The corn field annual broadleaf weed effect of preventing and kill off of said composition is substantially better than each single dose, reduces dosage, delays herbicide resistance.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, be with clopyralid with bromoxynil octanoate as effective ingredient, be used for preventing
Control corn field annual broadleaf weed.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, due to some herbicide kinds
Large area is used alone, and already leads to a lot of weeds and develops immunity to drugs.Meanwhile, grass when weeds occur is mutually complicated, and grass family is miscellaneous
Grass, broad leaved weed, the mixed life of dried tuber multiclass weeds, single variety herbicide uses can not solve farmland weed, all can show certain
Defect on the one hand and limitation.Variety classes herbicide mixture, has that herbicidal spectrum is wide, promote actual effect, delay weeds to resist
The property of medicine, time and labour saving advantage.
Clopyralid is the auxin of a kind of synthetic, and its chemical constitution and the natural plant of many are raw
Long hormone is similar to, but has more preferable persistency in the tissue of plant.It mainly carries out absorbing so by the root of plant and leaf
After conduct in plant, so its conductive performance is stronger.After weeds dispenser, it is inhaled by blade or the root of plant
Receive, move up and down in plant and be transmitted to rapidly whole plant.The clopyralid of low concentration can stimulate plant
DNA, RNA and the synthesis of protein thus cause fissional out of control and random growth, finally result in tube bank destroyed；Highly concentrated
The clopyralid of degree then can suppress division and the growth of cell.
Bromoxynil octanoate is stem and leaf process contact killing type herbicide after selectivity Seedling, is mainly absorbed by blade, in plant
Carry out the most limited conduction, by each process of inhibited photosynthesis, including suppression photophosphorylation reaction and electron transmission,
The most photosynthetic Hill reaction, makes plant tissue the most downright bad, thus reaches herbicide purpose, accelerates leaf when temperature is higher
Sheet is withered.
Variety classes herbicide mixture, has that herbicidal spectrum is wide, promote actual effect, delay herbicide resistance, time and labour saving
Advantage.Screened by formulation of pesticide, actual prevention effect can be effectively improved, reduce dosage, reduce cost, delay disease, worm, grass
The drug-fast generation of evil, is the important means of agricultural synthesis improvement.Clopyralid and bromoxynil octanoate are joined by the present inventor
Side's screening conducts in-depth research, and finds that clopyralid and bromoxynil octanoate carry out mixture, in certain mixed ratio scope
Corn field annual broadleaf weed is had potentiation or summation action, after further study, completes the present invention.
Summary of the invention
It is an object of the invention to solve in prior art to develop immunity to drugs farmland weed problem and actual prevention effect
Poor, it is provided that one is efficiently, low toxicity, quick-acting are good and the lasting period is long, the beneficially Herbicidal combinations of farmland weed comprehensive control.
It is another object of the present invention to be used for preventing and kill off farmland weed by this Herbicidal combinations, be particularly useful for corn field annual
Broad leaved weed etc..
Technical scheme: a kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate, effective ingredient is dichloro pyrrole
The mass fraction ratio of pyridine acid and bromoxynil octanoate, clopyralid and bromoxynil octanoate for 5:1～1:5, clopyralid and pungent
Acylbromide cyanophenyl quality summation mass percent in Herbicidal combinations is 3%～80%, remaining be in pesticide allow use and can
With the auxiliary element accepted.
The Herbicidal combinations of the present invention is prepared as any one dosage form being suitable for agriculturally using by known method, compares
Good dosage form dispersibles oil-suspending agent, suspending agent, wettable powder, water dispersible granules.The various preparation of the present composition
Processing technique is prior art, can be varied from according to different situations.
The auxiliary agent used in Herbicidal combinations of the present invention includes solvent, emulsifying agent, wetting agent, stabilizer, dispersant, thickening
Agent, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to effective ingredient and stablize in the formulation and play the known of drug effect
Material is all conventional in pesticidal preparations or allows the various compositions used, concrete composition and consumption according to recipe requirements by examination
Test and determine.
Product described in the invention can provide with the form of finished product preparation, and i.e. in compositions, each material is the most blended, group
The composition of compound can also the form of single dose provide, and directly mixes in tank or bucket before using, and is then diluted to required dense
Degree.Frequency of administration and the amount of application of the present composition change with weather conditions and weeds situation and change, can be by using
Suitable dosage reaches the purpose prevented and kill off.
The Herbicidal combinations of the present invention is applicable to prevent and kill off farmland weed, especially wheat paddock broad leaved weed.
The Herbicidal combinations that the present invention provides, generally uses the method for spraying to use, it is also possible to use agricultural as required
Other of upper application use technology.
Compared with prior art, it is an advantage of the current invention that:
1, two kinds of effective ingredient compound and have synergistic function, are used alone than single dose and significantly improve weeds
Prevention effect, expands weed control spectrum.
2, decrease Pesticide use amount, reduce use cost, alleviate the pollution to environment, delayed herbicide resistance
Generation, add service life of pesticide.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, below in conjunction with embodiment, present disclosure is described further,
But limitation of the present invention can not be considered as.
Assays Example one: formulation screening test
For further appreciating that clopyralid and the synergy to weeds of the bromoxynil octanoate mixture, the present inventor is to dichloro
Pyridine acid and bromoxynil octanoate mixture have carried out formulation screening test:
Test material:
Field thistle [Cirsium segetum] (field collection seed).
Herba Portulacae [Portulaca oleracea L.] (field collection seed).
Test apparatus:
Controlled illumination box；POTTER precision laboratory spray tower；Electronic balance (sensibility reciprocal 0.1mg)；Micropipette rifle
Deng.
Test method:
The purity first weighing certain mass is the 95% former medicine of clopyralid, the 95% former medicine of bromoxynil octanoate, adds acetone and fills
Divide and dilute with the Tween 80 aqueous solution of 0.1% after dissolving, be configured to single dose mother solution respectively, series proportioning is set according to mixture purpose,
Each proportioning arranges 5～7 Concentraton gradient.Select representative susceptible weeds seed according to single dose weed control spectrum, cultivate to 2
Leaf 1 heart is standby.After being processed by the weeds stem and leaf selecting numbering, it is placed on incubated at room temperature 20 days in illumination box, calculates preventing and treating effect
Really (fresh weight preventive effect or strain preventive effect), then dense EC in suppression is calculated with method of least square50(95% confidence limit), then by the abundant method of Sun Yun
Calculate co-toxicity coefficient (CTC).
Co-toxicity coefficient (CTC) >=120 shows as potentiation；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜
Co-toxicity coefficient (CTC) ＜ 120 shows as summation action.
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100。
Theoretical toxicity index (TTI)=(percentage composition of A in the toxicity index × mixture of the A)+(toxicity index × mixture of B
The percentage composition of middle B).
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theory toxicity index (TTI)] × 100.
Measurement result shows, clopyralid and bromoxynil octanoate, between mixed ratio 1:5～5:1, have significantly
Potentiation, especially mixed ratio are when 1:1, and the potentiation to field thistle and Herba Portulacae is obvious, and co-toxicity coefficient respectively reaches
188 and 157.65.
The synergy of field thistle is measured by table 1, different ratio clopyralid with bromoxynil octanoate.
The synergy of Herba Portulacae is measured by table 2, different ratio clopyralid with bromoxynil octanoate.
Example of formulations one: (40% clopyralid bromoxynil octanoate wettable powder)
Mix homogeneously in blender will be entered after the coarse pulverization in proportion of above-mentioned formula, then after comminution by gas stream, i.e. prepare mixing
Prepare 40% clopyralid bromoxynil octanoate wettable powder.
Example of formulations two: (55% clopyralid bromoxynil octanoate dispersibles oil-suspending agent)
Above-mentioned formula Central Plains medicine, solvent, emulsifying agent are dissolved into homogeneous oil phase；Under high velocity agitation, 55% 2 it is mixed to prepare
Chloropyridine acid bromoxynil octanoate dispersibles oil-suspending agent.
Example of formulations three: (50% clopyralid bromoxynil octanoate suspending agent)
Above-mentioned formula is pulverized the most in advance, adds in sand mill and grind, allotment system after high shear mixing
Obtain 50% clopyralid bromoxynil octanoate suspending agent.
Example of formulations four: (50% clopyralid bromoxynil octanoate water dispersible granules)
By above-mentioned formula dry pulverization process in proportion, pelletize, dry, the prepared 50% clopyralid bromoxynil octanoate of screening
Water-dispersible granules.
Field control effectiveness test embodiment one: the field control effectiveness test to corn field annual broadleaf weed
Reagent agent and dispenser dosage:
(1) 40% clopyralid bromoxynil octanoate wettable powder (20% clopyralid 20% bromoxynil octanoate),
Mu 80.8 grams of preparation (1#).
(2) 55% clopyralid bromoxynil octanoates dispersible oil-suspending agent (30% clopyralid 25% decoyl bromobenzene
Nitrile), mu 58 grams of preparation (2#).
(3) 50% clopyralid bromoxynil octanoate suspending agents (30% clopyralid 20% bromoxynil octanoate), mu is used
64.3 grams of preparation (3#).
(4) 50% clopyralid bromoxynil octanoate water dispersible granules (25% clopyralid 25% bromoxynil octanoate),
Mu 68.6 grams of preparation (4#).
(5) 30% clopyralid soluble granules, mu 33 grams of preparation (5#).
(6) 25% bromoxynil octanoate cream, mu 25 grams of preparation (6#).
(7) clear water comparison.
Dispenser period: the weeds 3～4 leaf phase, be watered even spraying.
Prevent and kill off object: field thistle, Herba Portulacae, Herba Acalyphae, Amaranthus retroflexus.
Result of the test is shown in Table 3.As can be seen from the test results: after medicine 12 days, the Herbicidal combinations of the present invention is to corn field
The average preventive effect of annual broadleaf weed reaches more than 80.6%.Herbicidal combinations of the present invention, significantly better than the single dose of comparison, expands
Weed control spectrum, potentiation is notable, and quick-acting and lasting period are substantially better than single dose.
Table 3, preventing and treating corn field annual broadleaf weed field control effectiveness test result (after medicine 12 days).
Claims (2)
1. one kind contains clopyralid and the Herbicidal combinations of bromoxynil octanoate, it is characterised in that: effective ingredient is dichloro pyrrole
Pyridine acid and bromoxynil octanoate, remaining is that the mass fraction ratio of insecticides adjuvant, clopyralid and bromoxynil octanoate is for 1:1, dichloro
Pyridine acid and bromoxynil octanoate quality summation mass percent in Herbicidal combinations are 3%～80%.
The most according to claim 1 a kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate, its feature exists
In: the dosage form of described Herbicidal combinations is to dispersible the one in oil-suspending agent, suspending agent, wettable powder, water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737632.1A CN103749453B (en) | 2013-12-26 | 2013-12-26 | A kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737632.1A CN103749453B (en) | 2013-12-26 | 2013-12-26 | A kind of containing clopyralid with the Herbicidal combinations of bromoxynil octanoate |
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| Publication Number | Publication Date |
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| CN103749453A CN103749453A (en) | 2014-04-30 |
| CN103749453B true CN103749453B (en) | 2016-10-05 |
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| CN112753700B (en) * | 2021-01-08 | 2022-03-15 | 贾海滨 | Herbicide for flax and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008071377A2 (en) * | 2006-12-11 | 2008-06-19 | Isagro S.P.A. | Herbicidal compositions |
| CN102740697A (en) * | 2009-12-29 | 2012-10-17 | 先正达参股股份有限公司 | Pesticidal composition |
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2013
- 2013-12-26 CN CN201310737632.1A patent/CN103749453B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008071377A2 (en) * | 2006-12-11 | 2008-06-19 | Isagro S.P.A. | Herbicidal compositions |
| CN102740697A (en) * | 2009-12-29 | 2012-10-17 | 先正达参股股份有限公司 | Pesticidal composition |
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