CN107047582A - A kind of Herbicidal combinations and its application containing pyraclonil and esprocarb - Google Patents
A kind of Herbicidal combinations and its application containing pyraclonil and esprocarb Download PDFInfo
- Publication number
- CN107047582A CN107047582A CN201710107344.6A CN201710107344A CN107047582A CN 107047582 A CN107047582 A CN 107047582A CN 201710107344 A CN201710107344 A CN 201710107344A CN 107047582 A CN107047582 A CN 107047582A
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- Prior art keywords
- pyraclonil
- esprocarb
- herbicidal combinations
- herbicidal
- percentage composition
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
-
- 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
Abstract
The invention discloses a kind of Herbicidal combinations containing pyraclonil and esprocarb and its application, the Herbicidal combinations are using pyraclonil and esprocarb as principle active component, and the double mass ratioes with azoles oxalic acid dinitrile of esprocarb are 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 dogstail
The Herbicidal combinations of fear and its application.
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.
Esprocarb, chemical name：S- benzyls -1,2- dimethyl propyl (ethyl) thiocarbamate, belongs to sulfo-amino
Formate ester herbicide, structural formula：
This product belongs to thio helium carbamate class herbicide, is carried out in rice field before bud and bud post processing, prevents and kill off annual grassy weeds
With barnyard grass until 2~5 leaf phases.
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 esprocarb.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing pyraclonil and esprocarb.
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 esprocarb, the Herbicidal combinations are based on pyraclonil and esprocarb
Active ingredient is wanted, wherein, the mass ratio of esprocarb and pyraclonil is 1：60~60：1.It is preferred that the matter of esprocarb and pyraclonil
Amount is than being 1：60~50：1, the mass ratio of further preferred esprocarb and pyraclonil is 1:60~1:20、1：5~30：1、40:
1~50:1.In some preferred technical schemes：The mass ratio of esprocarb and pyraclonil can be 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：In 60 these ratios
Selection.
This compound weeding composition can comprise only active component pyraclonil and esprocarb, also can in use or preparation to
Other components are added in active component, the effective ingredient in the Pesticidal combination can be present in composition with enhancing effective amount
In.
In Herbicidal combinations, pyraclonil is 1% with weight/mass percentage composition of both esprocarbs in Herbicidal combinations
~80%, preferred mass percentage composition is 10%~65%.
In the pyraclonil of the present invention and the binary built composition of esprocarb, except pyraclonil and esprocarb etc. effectively
Outside composition, the auxiliary agents such as the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing can also be added and matched somebody with somebody
Any one formulation allowed on agricultural chemicals is made.It is preferred that be processed into missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersible granules,
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 two kinds of herbicide controlling spectrum difference, the complementary pyraclonil of advantage and disadvantage and esprocarb
Mixture is made into after the appropriate decrement of herbicide to use, and kills weeds by two kinds of different mechanism so that Weed Resistance produces speed drop
It is low, while two kinds of medicament collaborations work, it is 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% esprocarb pyraclonil missible oil (34：1)
Esprocarb 34%, pyraclonil 1%, APES 4%, phenethyl phenol polyethenoxy ether 15%, two
Toluene 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% esprocarb pyraclonil suspending agent (29：1)
Esprocarb 29%, pyraclonil 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is matched somebody with somebody according to conventional formulation method
The suspending agent that weight/mass percentage composition is 30% is made.
Embodiment 3：60% esprocarb pyraclonil water dispersible granules (59：1)
Esprocarb 59%, pyraclonil 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 60% are configured to according to conventional formulation method
(WDG)。
Embodiment 4：65% esprocarb pyraclonil wettable powder (12：1)
Esprocarb 60%, pyraclonil 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil 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% esprocarb pyraclonil missible oil (60：1)
Esprocarb 60%, pyraclonil 1%, APES 4%, phenethyl phenol polyethenoxy ether 15%, two
Toluene 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% esprocarb pyraclonil missible oil (1：60)
Esprocarb 1%, pyraclonil 60%, APES 4%, phenethyl phenol polyethenoxy ether 15%, two
Toluene 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% esprocarb pyraclonil suspending agent (50：1)
Esprocarb 50%, pyraclonil 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is matched somebody with somebody according to conventional formulation method
The suspending agent that weight/mass percentage composition is 51% is made.
Embodiment 8：51% esprocarb pyraclonil suspending agent (1：50)
Esprocarb 1%, pyraclonil 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, is matched somebody with somebody according to conventional formulation method
The suspending agent that weight/mass percentage composition is 51% is made.
Embodiment 9：31% esprocarb pyraclonil water dispersible granules (1：30)
Esprocarb 1%, pyraclonil 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 31% are configured to according to conventional formulation method.
Embodiment 10：41% esprocarb pyraclonil water dispersible granules (40：1)
Esprocarb 40%, pyraclonil 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol
2%, kaolin complements to 100%, and the water dispersible granules that weight/mass percentage composition is 41% are configured to according to conventional formulation method.
Embodiment 11：42% esprocarb pyraclonil wettable powder (20：1)
Esprocarb 40%, pyraclonil 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil 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% esprocarb pyraclonil wettable powder (1：20)
Esprocarb 1%, pyraclonil 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil 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% esprocarb pyraclonil aqueous emulsion (1：10)
Esprocarb 3%, pyraclonil 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to conventional preparation
Method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14：33% esprocarb pyraclonil aqueous emulsion (10：1)
Esprocarb 30%, pyraclonil 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to conventional preparation
Method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15：30% esprocarb pyraclonil microemulsion (5：1)
Esprocarb 25%, pyraclonil 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, is configured to according to conventional formulation method
Weight/mass percentage composition is 30% microemulsion.
Embodiment 16：60% esprocarb pyraclonil wettable powder (1：5)
Esprocarb 10%, pyraclonil 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil 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% esprocarb pyraclonil wettable powder (1：1)
Esprocarb 5%, pyraclonil 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolin
100% is complemented to, 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 esprocarb：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 determine it
To the co-toxicity coefficient of 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 esprocarb, illustrates that the two is multiple
Pairing is prevented and kill off barnyard grass and had significant synergies.Especially the proportioning of esprocarb and pyraclonil is 1：10~40：Between 1,
Co-toxicity coefficient after two kinds of active principle compoundings is optimal, illustrates that the present invention has obvious synergistic effect.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of pyraclonil prepared by embodiment 1~17 and esprocarb different ratio.
Comparison medicament：
1.8% pyraclonil WDG (commercially available), 30% esprocarb WP (conventionally preparing)
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, needle spikesedge herb, lamb's-quarters, knotweed.
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 compounds with expansion herbicidal spectrum with esprocarb and improves activity of weeding
Effect, and extend the lasting period of medicament.Grass family, Cyperaceae and broad leaved 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 the preventive effect of grass family, Cyperaceae and broad leaved weed in rice terrace
Effect.
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 esprocarb, it is characterised in that the Herbicidal combinations are with pyraclonil and standing grain
Grass fear is principle active component, wherein, the mass ratio of esprocarb and pyraclonil is 1：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that esprocarb and pyraclonil in the Herbicidal combinations
Mass ratio be 1：60~50：1.
3. Herbicidal combinations according to claim 2, it is characterised in that esprocarb and pyraclonil in the Herbicidal combinations
Mass ratio be 1:60~1:20、1：5~30：1、40:1~50:1.
4. the Herbicidal combinations according to claim 1,2 or 3, it is characterised in that pyraclonil is with both esprocarbs in weeding
Weight/mass percentage composition in composition is 1%~80%.
5. Herbicidal combinations according to claim 4, it is characterised in that pyraclonil is with both esprocarbs in Herbicidal combination
Weight/mass percentage composition in thing is 10%~65%.
6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with pyraclonil and esprocarb
Any one formulation is configured to for the auxiliary agent that allows on principle active component and agricultural chemicals.
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 weeds.
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| CN201710107344.6A CN107047582A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and esprocarb |
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| CN201710107344.6A CN107047582A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and esprocarb |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405829A (en) * | 1991-11-13 | 1995-04-11 | Schering Aktiengesellschaft | Substituted pyrazolypyrazoles and their use as herbicides |
| CN1036397C (en) * | 1992-10-12 | 1997-11-12 | 先灵公司 | New substituted pyrazole derivativdes, processes for their preparation and their use as herbicides |
| CN1201370A (en) * | 1995-11-15 | 1998-12-09 | 赫彻斯特-舍林农业发展有限公司 | Synergetic herbicidal mixture |
-
2017
- 2017-02-27 CN CN201710107344.6A patent/CN107047582A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405829A (en) * | 1991-11-13 | 1995-04-11 | Schering Aktiengesellschaft | Substituted pyrazolypyrazoles and their use as herbicides |
| CN1036397C (en) * | 1992-10-12 | 1997-11-12 | 先灵公司 | New substituted pyrazole derivativdes, processes for their preparation and their use as herbicides |
| CN1201370A (en) * | 1995-11-15 | 1998-12-09 | 赫彻斯特-舍林农业发展有限公司 | Synergetic herbicidal mixture |
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