CN107047592A - A kind of Herbicidal combinations and its application containing pyraclonil and bensulfuron-methyl - Google Patents
A kind of Herbicidal combinations and its application containing pyraclonil and bensulfuron-methyl Download PDFInfo
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- CN107047592A CN107047592A CN201710107154.4A CN201710107154A CN107047592A CN 107047592 A CN107047592 A CN 107047592A CN 201710107154 A CN201710107154 A CN 201710107154A CN 107047592 A CN107047592 A CN 107047592A
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- Prior art keywords
- bensulfuron
- methyl
- herbicidal combinations
- pyraclonil
- herbicidal
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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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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 bensulfuron-methyl and its application, the Herbicidal combinations are using pyraclonil and bensulfuron-methyl as principle active component, and the mass ratio of bensulfuron-methyl and pyraclonil is 1：60~60：1.Herbicidal combinations of the present invention can be used for rice terrace postemergence weed control, particularly have remarkable result for preventing and kill off grass family and broad leaved weed in rice terrace.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 is phonetic containing pyraclonil and benzyl
The grand Herbicidal combinations of sulphur 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.
Bensulfuron-methyl (Bensulfuron methyl), chemical name：2- { ((4,6- dimethoxypyridin -2- bases) amino
It is carbon-based) amidosulfobetaines methyl } methyl benzoate.Structural formula：
Bensulfuron-methyl is a kind of selective inner sucting conduction type herbicides for use in paddy, and also known as Nongdeshi, rice are right without grass, just agriculture
People and animals' low toxicity, to fish, bird and honeybee low toxicity.Previously nutgrass flatsedge and broad leaved weed are prevented and kill off for rice field, wheatland is had been used at present and is prevented and kill off
Broad leaved weed.Medicament can rapidly spread in water, absorbed by weeds root and blade and be transferred to each position, hinder branched-chain amino acid
Biosynthesis.Prevent and kill off annual and perennial broad leaved weed for rice terrace, sedge weed, to grassy weed effect compared with
Difference.It is good to crop safeties such as wheat, paddy rice.
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 bensulfuron-methyl.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing pyraclonil and bensulfuron-methyl.
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 bensulfuron-methyl, the Herbicidal combinations are with pyraclonil and bensulfuron-methyl
For principle active component, wherein, the mass ratio of bensulfuron-methyl and pyraclonil is 1：60~60：1.It is preferred that bensulfuron-methyl and polybenzobisoxazole
The mass ratio of oxalic acid dinitrile is 1：30~40：1, more preferably 1:20~1:30 or 1：5~40：1.In some preferred technical sides
In case：Bensulfuron-methyl 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 bensulfuron-methyl, also can be in use or preparation
Other components are added into active component, the effective ingredient in the Pesticidal combination can be present in composition with enhancing effective amount
In.
In Herbicidal combinations, weight/mass percentage composition of the pyraclonil with both bensulfuron-methyls 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 bensulfuron-methyl, except pyraclonil and bensulfuron-methyl etc.
Outside active ingredient, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing etc. can also be added and helped
Agent is configured to any one formulation allowed on agricultural chemicals.It is preferred that being processed into missible oil, suspending agent, aqueous emulsion, microemulsion, water-dispersible grain
Agent, wettable powder etc..
Herbicidal combinations of the present invention can be applied in rice terrace postemergence weed control, the standing grain particularly in rice terrace is prevented and kill off
Being applied in undergraduate course 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 herbicide controlling spectrum is different, two kinds of the complementary pyraclonil of advantage and disadvantage and bensulfuron-methyl
Herbicide, the Herbicidal combinations of the present invention are made into according to specific ratio range, can kill weeds by two kinds of different mechanism, and
Two kinds of herbicides produce synergy in the ratio range, are greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, and the lasting period is long.After both mixing, weeds are killed by two kinds of different mechanism, herbicidal spectrum is expanded,
A variety of grassy weeds and broad leaved weed can be prevented and treated.
3rd, Weed Resistance is delayed.Herbicidal combinations of the present invention are also prolonged by binary built, reduction weeds to the resistance of medicament
Weed Resistance is delayed and has produced speed, and improved the preventive effect of 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.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide for rice terrace postemergence weed control is prepared,
Particularly it is used to prevent and kill off in rice terrace in preparation to apply in the herbicide of grass family and broad leaved weed.
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% bensulfuron-methyl pyraclonil missible oil (34：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil suspending agent (29：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil water dispersible granules (59：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil wettable powder (12：1)
Bensulfuron-methyl 60%, pyraclonil 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% is high
Ridge 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% bensulfuron-methyl pyraclonil missible oil (60：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil missible oil (1：60)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil suspending agent (50：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil suspending agent (1：50)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil water dispersible granules (1：30)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil water dispersible granules (40：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil wettable powder (20：1)
Bensulfuron-methyl 40%, pyraclonil 2%, 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 42% is configured to according to conventional formulation method.
Embodiment 12：21% bensulfuron-methyl pyraclonil wettable powder (1：20)
Bensulfuron-methyl 1%, pyraclonil 20%, 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 21% is configured to according to conventional formulation method.
Embodiment 13：33% bensulfuron-methyl pyraclonil aqueous emulsion (1：10)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil aqueous emulsion (10：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil microemulsion (5：1)
Bensulfuron-methyl 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% bensulfuron-methyl pyraclonil wettable powder (1：5)
Bensulfuron-methyl 10%, pyraclonil 50%, 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 60% is configured to according to conventional formulation method.
Embodiment 17：10% bensulfuron-methyl pyraclonil wettable powder (1：1)
Bensulfuron-methyl 5%, pyraclonil 5%, 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 10% is configured to according to conventional formulation method.
2nd, drug effect checking test
1), toxicity determination test
According to active ingredient bensulfuron-methyl：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 determined
Its co-toxicity coefficient to rice terrace common weed lady's-grass.
Test method：The seed of quantitative lady's-grass is seeded in 9cm Disposable paper cup respectively, in every glass sow 10~
15 seeds, are cultivated in illumination box, and when the lady's-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 lady's-grass is significantly improved as it can be seen from table 1 pyraclonil is compounded with bensulfuron-methyl, illustrates the two
Compounding has significant synergies to preventing and kill off lady's-grass.Especially the proportioning of pyraclonil and bensulfuron-methyl is 1:20~1:30 or
1：5~40：Between 1, the co-toxicity coefficient after two kinds of active principle compoundings is optimal, illustrates that the present invention has obvious synergistic effect.
Simultaneously it can also be seen that not pyraclonil can produce synergistic function with bensulfuron-methyl with arbitrary proportion compounding.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of pyraclonil prepared by embodiment 1~17 and bensulfuron-methyl different ratio.
Comparison medicament：
10% bensulfuron-methyl 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 Monochoria vaginalis, mexicana, lady's-grass, green bristlegrass.
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 has expansion herbicidal spectrum with bensulfuron-methyl compounding and improves activity of weeding
Effect, 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 dose
Preventive effect, illustrate that the two compounding has significant synergistic effect to the preventive effect of broad leaved weed in rice terrace and grassy weed.
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 bensulfuron-methyl, it is characterised in that the Herbicidal combinations with pyraclonil with
Bensulfuron-methyl is principle active component, wherein, the mass ratio of bensulfuron-methyl and pyraclonil is 1：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that bensulfuron-methyl and polybenzobisoxazole grass in the Herbicidal combinations
The mass ratio of nitrile is 1：30~40：1.
3. Herbicidal combinations according to claim 2, it is characterised in that bensulfuron-methyl and polybenzobisoxazole grass in the Herbicidal combinations
The mass ratio of nitrile is 1:20~1:30 or 1：5~40：1.
4. the Herbicidal combinations according to claim 1,2 or 3, it is characterised in that bensulfuron-methyl and both pyraclonils except
Gross mass percentage composition in careless composition is 1%~80%.
5. Herbicidal combinations according to claim 4, it is characterised in that pyraclonil is with both bensulfuron-methyls in weeding group
Weight/mass percentage composition in compound is 10%~65%.
6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with pyraclonil and the phonetic sulphur of benzyl
The grand auxiliary agent to allow 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 described in claim any one of 1-7 in rice terrace postemergence weed control.
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 and broad leaved weed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757506A (en) * | 2019-02-25 | 2019-05-17 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of ternary weeding composition containing trifloxysulfuron sodium |
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| US6013605A (en) * | 1995-11-15 | 2000-01-11 | Hoechst Scharing Agrevo Gmbh | Synergistic herbicidal mixtures |
| CN105918339A (en) * | 2016-05-19 | 2016-09-07 | 河北博嘉农业有限公司 | Weeding composition containing pyraclonil and sulfonylurea 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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2017
- 2017-02-27 CN CN201710107154.4A patent/CN107047592A/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 |
| CN105918339A (en) * | 2016-05-19 | 2016-09-07 | 河北博嘉农业有限公司 | Weeding composition containing pyraclonil and sulfonylurea 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757506A (en) * | 2019-02-25 | 2019-05-17 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of ternary weeding composition containing trifloxysulfuron sodium |
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Application publication date: 20170818 |