CN107047578A - A kind of Herbicidal combinations and its application containing pyraclonil and oxadiargyl - Google Patents
A kind of Herbicidal combinations and its application containing pyraclonil and oxadiargyl Download PDFInfo
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- CN107047578A CN107047578A CN201710107325.3A CN201710107325A CN107047578A CN 107047578 A CN107047578 A CN 107047578A CN 201710107325 A CN201710107325 A CN 201710107325A CN 107047578 A CN107047578 A CN 107047578A
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- Prior art keywords
- herbicidal combinations
- pyraclonil
- oxadiargyl
- herbicidal
- percentage composition
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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
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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
Abstract
The invention discloses a kind of Herbicidal combinations containing pyraclonil and oxadiargyl and its application, the Herbicidal combinations are using pyraclonil and oxadiargyl as principle active component, and the mass ratio of oxadiargyl and pyraclonil is 1：60~60：1.Herbicidal combinations of the present invention can be used for agent for removing grass in paddy field, particularly have remarkable result for preventing and kill off grass family in rice terrace, Cyperaceae and broad leaved weed.Herbicidal combinations of the present invention on the premise of drug effect is improved, delay Weed Resistance relative to single dose, and herbicidal spectrum is wide, and the lasting period is long, and all has security to paddy rice and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to one kind contains pyraclonil and propine
The binary built Herbicidal combinations of Evil humulones, the Herbicidal combinations can be applied to prevent and kill off rice terrace annual grassy weeds.
Background technology
Pyraclonil (pyraclonil).Chemical name：1- (the chloro- 4,5,6,7- tetrahydro-pyrazoles of 3- simultaneously [1,5-a] pyridine-
2- yls) -5- [methyl (Propargyl) amino] pyrazoles -4- nitriles, structural formula is：
Pyraclonil be rice terrace herbicide, be German Schilling company (being now Beyer Co., Ltd) find have pyrazolo
The novel structure compound of pyridine ring, it is wealthy to barnyard grass and simultaneous annual Ju Mang cyperus irias section firefly Lin, needle spikesedge herb
The wide scope weeds such as leaf weeds Chinese herbaceous peony shape Monochoria korsakowii, Procumbent Falsepimpernel and wild arrowhead, water chestnut for many years have very high activity.
Oxadiargyl (Oxadiargyl) is that a kind of new oxadiazoles of Rhone-Poulenc Company's exploitation is nitrogenous
Heterocycle herbicide, the mechanism of action is the inhibitor of protoporphyrin oxidizing ferment.Annual gramineae, Cyperaceae are prevented and kill off available for rice field
With broad leaved weed and some perennial weeds.
Current herbicide for paddy field is limited by crop safety, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone
Can not completely effectively control the generation of paddy field weed, furthermore some herbicides due to the water-soluble big or field lasting period too
Long, consumption is excessive or the uneven residual hazard all easily caused to this season crop or succession crop of dispenser.Inventor is through research
It was found that, the synergistic complex of herbicide is the effective measures for expanding weed control spectrum and improving preventive effect, so far it is not yet found that
Close the Herbicidal combinations that pyraclonil is compounded with oxadiargyl.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing pyraclonil and oxadiargyl.
It is a further object of the present invention to provide application of the Herbicidal combinations in agent for removing grass in paddy field.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations containing pyraclonil and oxadiargyl, the Herbicidal combinations are with pyraclonil and Bing Que Evil
Humulone is principle active component, wherein, the mass ratio of oxadiargyl and pyraclonil is 1：60~60：1, preferably pyraclonil
Mass ratio with oxadiargyl is 1：50~60：1, more preferably 1：60~20：1 or 40:1~50:1.It is excellent at some
In the technical scheme of choosing：Oxadiargyl can be 34 with pyraclonil：1、29：1、59：1、12：1、60：1、50：1、40：1、
20：1、10：1、5：1、1：1、1：5、1：10、1：20、1：30、1：50、1：Selected in 60 these ratios.
This compound weeding composition can comprise only active component pyraclonil and oxadiargyl, can also use or prepare
When other components are added into active component, the effective ingredient in the Pesticidal combination can be present in combination with enhancing effective amount
In thing.
In Herbicidal combinations, weight/mass percentage composition of the pyraclonil with both oxadiargyls in Herbicidal combinations is
1%~80%, preferred mass percentage composition is 10%~65%.
In the pyraclonil of the present invention and the binary built composition of oxadiargyl, except pyraclonil and Bing Que Evil grass
Outside the active ingredients such as ketone, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing can also be added
Any one formulation for being configured to allow on agricultural chemicals Deng auxiliary agent.It is preferred that being processed into missible oil, suspending agent, aqueous emulsion, microemulsion, moisture
Shot agent, wettable powder etc..
Herbicidal combinations of the present invention can be applied in rice terrace annual grassy weeds weeding, particularly prevent and kill off paddy rice
Being applied in Tanaka's grass family, Cyperaceae and broad leaved weed has remarkable result.
The Herbicidal combinations of the present invention have advantages below：
1st, activity of weeding is high.Present invention selection can herbicide controlling spectrum difference, the complementary pyraclonil of advantage and disadvantage and oxadiargyl
Mixture is made into after two kinds of appropriate decrements of herbicide to use, and kills weeds by two kinds of different mechanism so that Weed Resistance produces speed
Degree is reduced, and two kinds of composition collaborations work, and are greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, and the lasting period is long.After both mixing, it is possible to increase to a variety of grassy weeds, Cyperaceae and broad-leaved
The preventing and treating of weeds.
3rd, Weed Resistance is delayed.Herbicidal combinations of the present invention reduce resistance of the weeds to medicament, and carry by binary built
The preventive effect of high antagonism weeds, so as to extend the service life of medicament.
4th, it is safe.Because its dosage is under control, make medicament on the premise of drug effect is improved, it is to water
The security of rice and succession crop is also improved.
The Herbicidal combinations of the present invention, applied to agent for removing grass in paddy field, it can prevent and kill off various grass family, nutgrass flatsedge in rice terrace
Section and broad leaved weed, on the premise of drug effect is improved, all have security to paddy rice and succession crop.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention, all simple modifications under the concept thereof of the present invention to preparation method of the present invention belong to the protection model of the present invention
Within enclosing.
Percentage is mass percent in all formulas of following examples.The processing work of the various preparations of the present composition
Skill is prior art, can be varied from according to different situations.
First, formulation prepares embodiment
Embodiment 1：35% oxadiargyl pyraclonil missible oil (34：1)
Oxadiargyl 34%, pyraclonil 1%, APES 4%, phenethyl phenol polyethenoxy ether
15%, dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 35% is configured to according to conventional formulation method.
Embodiment 2：30% oxadiargyl pyraclonil suspending agent (29：1)
Oxadiargyl 29%, pyraclonil 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side
Method is configured to the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3：60% oxadiargyl pyraclonil water dispersible granules (59：1)
Oxadiargyl 59%, pyraclonil 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, and the water-dispersible grain that weight/mass percentage composition is 60% is configured to according to conventional formulation method
Agent (WDG).
Embodiment 4：65% oxadiargyl pyraclonil wettable powder (12：1)
Oxadiargyl 60%, pyraclonil 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, and the wettable powder (WP) that weight/mass percentage composition is 65% is configured to according to conventional formulation method.
Embodiment 5：61% oxadiargyl pyraclonil missible oil (60：1)
Oxadiargyl 60%, pyraclonil 1%, APES 4%, phenethyl phenol polyethenoxy ether
15%, dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 61% is configured to according to conventional formulation method.
Embodiment 6：61% oxadiargyl pyraclonil missible oil (1：60)
Oxadiargyl 1%, pyraclonil 60%, APES 4%, phenethyl phenol polyethenoxy ether
15%, dimethylbenzene complements to 100%, and the missible oil that weight/mass percentage composition is 61% is configured to according to conventional formulation method.
Embodiment 7：51% oxadiargyl pyraclonil suspending agent (50：1)
Oxadiargyl 50%, pyraclonil 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side
Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 8：51% oxadiargyl pyraclonil suspending agent (1：50)
Oxadiargyl 1%, pyraclonil 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side
Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 9：31% oxadiargyl pyraclonil water dispersible granules (1：30)
Oxadiargyl 1%, pyraclonil 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, and the water-dispersible grain that weight/mass percentage composition is 31% is configured to according to conventional formulation method
Agent.
Embodiment 10：41% oxadiargyl pyraclonil water dispersible granules (40：1)
Oxadiargyl 40%, pyraclonil 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, and the water-dispersible grain that weight/mass percentage composition is 41% is configured to according to conventional formulation method
Agent.
Embodiment 11：42% oxadiargyl pyraclonil wettable powder (20：1)
Oxadiargyl 40%, pyraclonil 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, and the wettable powder that weight/mass percentage composition is 42% is configured to according to conventional formulation method.
Embodiment 12：21% oxadiargyl pyraclonil wettable powder (1：20)
Oxadiargyl 1%, pyraclonil 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, and the wettable powder that weight/mass percentage composition is 21% is configured to according to conventional formulation method.
Embodiment 13：33% oxadiargyl pyraclonil aqueous emulsion (1：10)
Oxadiargyl 3%, pyraclonil 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14：33% oxadiargyl pyraclonil aqueous emulsion (10：1)
Oxadiargyl 30%, pyraclonil 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15：30% oxadiargyl pyraclonil microemulsion (5：1)
Oxadiargyl 25%, pyraclonil 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, matches somebody with somebody according to conventional formulation method
The microemulsion that weight/mass percentage composition is 30% is made.
Embodiment 16：60% oxadiargyl pyraclonil wettable powder (1：5)
Oxadiargyl 10%, pyraclonil 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, and the wettable powder that weight/mass percentage composition is 60% is configured to according to conventional formulation method.
Embodiment 17：10% oxadiargyl pyraclonil wettable powder (1：1)
Oxadiargyl 5%, pyraclonil 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% is high
Ridge soil complements to 100%, and the wettable powder that weight/mass percentage composition is 10% is configured to according to conventional formulation method.
2nd, drug effect checking test
1), toxicity determination test
According to active ingredient oxadiargyl：Pyraclonil quality proportioning is：70:1,34：1、29：1、59：1、12：1、
60：1、50：1、40：1、20：1、10：1、5：1、1：1、1：5、1：10、1：20、1：30、1：50、1：60,1：70 are tested, and are surveyed
Determine its co-toxicity coefficient to rice terrace common weed barnyard grass.
Test method：The seed of quantitative barnyard grass is seeded in 9cm Disposable paper cup respectively, in every glass sow 10~
15 seeds, are cultivated in illumination box, and when the barnyard grass 1-4 leaf phase, spraying treatment is carried out on crawler type crops sprayer.
Continue to cultivate in greenhouse after processing, it is fresh that routine observation respectively handles the weeds weighed after each processing after the preventive effect to weeds, 30d
Weight, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 120, shows that two kinds of active principles have synergistic effect,
Co-toxicity coefficient shows that two kinds of active principles have summation action, co-toxicity coefficient is less than 80, shows two kinds effectively between 80-120
Material has antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of table 1
The herbicidal effect of barnyard grass is significantly improved as it can be seen from table 1 pyraclonil is compounded with oxadiargyl, illustrates two
Person's compounding has significant synergies to preventing and kill off barnyard grass.Especially the proportioning of pyraclonil and oxadiargyl is 1：60~
20：1 or 40:1~50:Between 1, the co-toxicity coefficient after two kinds of active principle compoundings is optimal, illustrates that the present invention has obvious increasing
Effect is acted on.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of pyraclonil prepared by embodiment 1~17 and oxadiargyl different ratio.
Comparison medicament：
80% oxadiargyl WP (commercially available), 1.8% pyraclonil WDG (commercially available).
For studying thing：Paddy rice
Rice seedlings grow fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as barnyard grass, Monochoria vaginalis, mexicana, difformed galingale herb, rhizoma alismatis.
Test method：
According to the area of experimental plot, the good various medicaments of precise, and be watered after dilution, using knapsack sprayer,
Carry out even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that decoction is uniformly sprayed application to experiment small
Qu Zhong, accomplishes the phenomenon sprayed without drain spray, more.
20d, 40d observe weeds death condition, and the activity of weeding of relatively more various medicaments after medicine respectively after experiment.This
Outside, the condition of production (consumption is the consumption of every mu of ground active ingredient) of crop is also observed in 1~15d after medicine, to investigate
Whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see the table below 2 (20d after medicine) and table 3 (40d after medicine)
The field control effectiveness test result of table 2 (20d after medicine)
The field control effectiveness test result of table 3 (40d after medicine)
From table 2 and table 3 as can be seen that pyraclonil and oxadiargyl compounding have expansion herbicidal spectrum and improve weeding work
The effect of property, and extend the lasting period of medicament.Broad leaved weed and grassy weed can be effectively prevented and kill off, its preventive effect is better than single
The preventive effect of agent, illustrates that the two compounding has significant synergy to make the preventive effect of broad leaved weed in rice terrace and grassy weed
With.
Security survey result of the medicament of table 4 to crop
The rice is doing well in each processing cell, has no any medicine spot, illustrates that various medicaments are safe to paddy rice.
Claims (9)
1. a kind of Herbicidal combinations containing pyraclonil and oxadiargyl, it is characterised in that the Herbicidal combinations are with pyraclonil
It is principle active component with oxadiargyl, wherein, the mass ratio of oxadiargyl and pyraclonil is 1：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that oxadiargyl and polybenzobisoxazole in the Herbicidal combinations
The mass ratio of oxalic acid dinitrile is 1：50~60：1.
3. Herbicidal combinations according to claim 2, it is characterised in that oxadiargyl and polybenzobisoxazole in the Herbicidal combinations
The mass ratio of oxalic acid dinitrile is 1：60~20：1 or 40:1~50:1.
4. the Herbicidal combinations according to claim 1,2 or 3, it is characterised in that pyraclonil exists with both oxadiargyls
Weight/mass percentage composition in Herbicidal combinations is 1%~80%.
5. Herbicidal combinations according to claim 4, it is characterised in that pyraclonil is with both oxadiargyls in weeding
Weight/mass percentage composition in composition is 10%~65%.
6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with pyraclonil and Bing Que Evil
Humulone is that the auxiliary agent allowed on principle active component and agricultural chemicals is configured to any one formulation.
7. Herbicidal combinations according to claim 6, it is characterised in that described formulation be missible oil, suspending agent, aqueous emulsion,
Microemulsion, water dispersible granules or wettable powder.
8. application of the Herbicidal combinations in rice terrace annual grassy weeds weeding described in claim any one of 1-7.
9. application according to claim 8, it is characterised in that described Herbicidal combinations are annual in rice terrace is prevented and kill off
Application in grass family, Cyperaceae and broad leaved weed.
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| CN201710107325.3A CN107047578A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and oxadiargyl |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6013605A (en) * | 1995-11-15 | 2000-01-11 | Hoechst Scharing Agrevo Gmbh | Synergistic herbicidal mixtures |
| CN105724401A (en) * | 2016-04-25 | 2016-07-06 | 湖南大方农化股份有限公司 | Compound rice field herbicide |
| CN106342836A (en) * | 2016-08-03 | 2017-01-25 | 广东中迅农科股份有限公司 | Herbicide composition with pyraclonil, oxadiargyl and triafamone |
-
2017
- 2017-02-27 CN CN201710107325.3A patent/CN107047578A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6013605A (en) * | 1995-11-15 | 2000-01-11 | Hoechst Scharing Agrevo Gmbh | Synergistic herbicidal mixtures |
| CN105724401A (en) * | 2016-04-25 | 2016-07-06 | 湖南大方农化股份有限公司 | Compound rice field herbicide |
| CN106342836A (en) * | 2016-08-03 | 2017-01-25 | 广东中迅农科股份有限公司 | Herbicide composition with pyraclonil, oxadiargyl and triafamone |
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Application publication date: 20170818 |