CN106857622A - A kind of Herbicidal combinations and its application containing pyraclonil and cafenstrole - Google Patents
A kind of Herbicidal combinations and its application containing pyraclonil and cafenstrole Download PDFInfo
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- CN106857622A CN106857622A CN201710107231.6A CN201710107231A CN106857622A CN 106857622 A CN106857622 A CN 106857622A CN 201710107231 A CN201710107231 A CN 201710107231A CN 106857622 A CN106857622 A CN 106857622A
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- pyraclonil
- cafenstrole
- herbicidal combinations
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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<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
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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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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of Herbicidal combinations containing pyraclonil and cafenstrole and its application, with pyraclonil and cafenstrole as principle active component, cafenstrole is 1 with the mass ratio of pyraclonil to the Herbicidal combinations：60~60：1.Herbicidal combinations of the present invention can be used for agent for removing grass in paddy field, particularly for preventing and kill off rice terrace in grass family, Cyperaceae and broad leaved weed there is remarkable result.Herbicidal combinations of the present invention on the premise of drug effect is improve, 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 containing pyraclonil and azoles grass
The Herbicidal combinations of amine 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 with 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 for many years, water chestnut have activity very high.
Cafenstrole (Cafenstrole) also known as benzophenone azoles, chemical name：N, N- diethyl -3- mesitylenes sulfonyl -
1H-1,2,4- triazole -1- formamides belong to sulfonylurea herbicide, structural formula：
Cafenstrole is triazole herbicide, is had the characteristics that：1. there is special efficacy to barnyard grass, in 200~300g/hm2 dosage
Under, there is very high selectivity to paddy rice；2. to effective to tri-leaf period weeds before bud；3. the lasting period is up to 40d；4. can prevent and kill off simultaneously
Other perennial and annual grassy weeds；5. can be used alone or mixed with the careless agent of other works.With 10g active ingredients/hm2 dosage,
There is very high activity to barnyard grass, difformed galingale herb, to transplanting rice without poisoning.
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 of pyraclonil and cafenstrole compounding.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing pyraclonil Yu cafenstrole.
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 Yu cafenstrole, the Herbicidal combinations are based on pyraclonil and cafenstrole
Active ingredient is wanted, wherein, cafenstrole is 1 with the mass ratio of pyraclonil：60~60：1.It is preferred that the matter of cafenstrole and pyraclonil
Amount is than being 1：20~40：1 further preferred cafenstrole is 1 with the mass ratio of pyraclonil：60~30：1、40:1~60:1.
In some preferred technical schemes：Cafenstrole 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 cafenstrole, 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 cafenstroles in Herbicidal combinations
~80%, preferred mass percentage composition is 10%~65%.
In the binary built composition of pyraclonil of the invention and cafenstrole, except pyraclonil and cafenstrole etc. effectively
Outside composition, the auxiliary agent such as the conventional surfactants of permission, thickener, solvent or solid packing on pesticidal preparations can also be added and matched somebody with somebody
It is made any one formulation allowed on agricultural chemicals.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
Using with remarkable result in Tanaka's grass family, Cyperaceae and broad leaved weed.
Herbicidal combinations of the 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 cafenstrole
Mixture is made into after the appropriate decrement of herbicide to use, kill 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 various 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 antagonism weeds high, 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 improve, it is to water
The security of rice and succession crop is also improved.
Herbicidal combinations of the invention, are applied to agent for removing grass in paddy field, and 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 improve, all have security to paddy rice and succession crop.
Specific 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 only used to explain the present invention, limit is not used to
The fixed present invention, all simple modifications under concept thereof of the invention to preparation method of the present invention belong to protection model of the 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% cafenstrole pyraclonil missible oil (34：1)
Cafenstrole 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% cafenstrole pyraclonil suspending agent (29：1)
Cafenstrole 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%, balance of water is matched somebody with somebody according to conventional formulation method
It is made the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3：60% cafenstrole pyraclonil water dispersible granules (59：1)
Cafenstrole 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% cafenstrole pyraclonil wettable powder (12：1)
Cafenstrole 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% cafenstrole pyraclonil missible oil (60：1)
Cafenstrole 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% cafenstrole pyraclonil missible oil (1：60)
Cafenstrole 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% cafenstrole pyraclonil suspending agent (50：1)
Cafenstrole 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%, balance of water is matched somebody with somebody according to conventional formulation method
It is made the suspending agent that weight/mass percentage composition is 51%.
Embodiment 8：51% cafenstrole pyraclonil suspending agent (1：50)
Cafenstrole 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%, balance of water is matched somebody with somebody according to conventional formulation method
It is made the suspending agent that weight/mass percentage composition is 51%.
Embodiment 9：31% cafenstrole pyraclonil water dispersible granules (1：30)
Cafenstrole 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% cafenstrole pyraclonil water dispersible granules (40：1)
Cafenstrole 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% cafenstrole pyraclonil wettable powder (20：1)
Cafenstrole 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% cafenstrole pyraclonil wettable powder (1：20)
Cafenstrole 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% cafenstrole pyraclonil aqueous emulsion (1：10)
Cafenstrole 3%, pyraclonil 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to routine
Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14：33% cafenstrole pyraclonil aqueous emulsion (10：1)
Cafenstrole 30%, pyraclonil 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%,
Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to routine
Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15：30% cafenstrole pyraclonil microemulsion (5：1)
Cafenstrole 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% cafenstrole pyraclonil wettable powder (1：5)
Cafenstrole 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% cafenstrole pyraclonil wettable powder (1：1)
Cafenstrole 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 cafenstrole：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 the Disposable paper cup of 9cm respectively, in every glass sow 10~
15 seeds, cultivate in illumination box, when the barnyard grass 1-3 leaf phase, spraying treatment are carried out on crawler type crops sprayer.
Continue to cultivate in greenhouse after treatment, routine observation respectively processes the preventive effect to weeds, and the weeds weighed after 30d after each treatment are fresh
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 between 80-120, and co-toxicity coefficient is less than 80, shows two kinds effectively
Material has antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of table 1
As it can be seen from table 1 pyraclonil is compounded with cafenstrole being significantly improved to the herbicidal effect of barnyard grass, illustrate that the two is multiple
Pairing is prevented and kill off barnyard grass and is had significant synergies.Especially the proportioning of pyraclonil and cafenstrole is 1：60~30：1、40:1
~60:Between 1, the 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：
Pyraclonil and the re-compounded binary herbicide of cafenstrole different ratio prepared by embodiment 1~17.
Comparison medicament：
20% cafenstrole GR (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.
Prevent and kill off object：
The weeds such as barnyard grass, amur foxtail, pressure tongue grass, difformed galingale herb, rhizoma alismatis.
Test method：
According to the area of experimental plot, the good various medicaments of precise, and be watered dilution after, using knapsack sprayer,
Carry out even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that liquid is uniformly sprayed application to experiment small
Qu Zhong, accomplishes the phenomenon without drain spray, many sprays.
20d, 40d observe weeds death condition after medicine respectively after experiment, and compare the activity of weeding of various medicaments.This
Outward, the condition of production (consumption is every mu of consumption 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 and improves activity of weeding with cafenstrole compounding
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 treatment 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 Yu cafenstrole, it is characterised in that the Herbicidal combinations are with pyraclonil and azoles
Careless amine is principle active component, wherein, cafenstrole is 1 with the mass ratio of pyraclonil：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that cafenstrole and pyraclonil in the Herbicidal combinations
Mass ratio be 1：60~40：1.
3. Herbicidal combinations according to claim 2, it is characterised in that cafenstrole and pyraclonil in the Herbicidal combinations
Mass ratio be 1：60~30：1、40:1~60:1.
4. Herbicidal combinations according to claim 1,2 or 3, it is characterised in that pyraclonil is with both cafenstroles 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 cafenstroles 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 cafenstrole
For 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 described in any one of claim 1-7 in rice terrace annual grassy weeds weeding.
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/or broad leaved weed.
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| CN201710107231.6A CN106857622A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and cafenstrole |
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| CN201710107231.6A CN106857622A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and cafenstrole |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0541809B1 (en) * | 1990-08-03 | 1998-11-04 | Chugai Seiyaku Kabushiki Kaisha | Triazole compound |
| CN105901005A (en) * | 2016-05-16 | 2016-08-31 | 河北博嘉农业有限公司 | Weeding composition containing pyraclonil |
-
2017
- 2017-02-27 CN CN201710107231.6A patent/CN106857622A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0541809B1 (en) * | 1990-08-03 | 1998-11-04 | Chugai Seiyaku Kabushiki Kaisha | Triazole compound |
| CN105901005A (en) * | 2016-05-16 | 2016-08-31 | 河北博嘉农业有限公司 | Weeding composition containing pyraclonil |
Non-Patent Citations (1)
| Title |
|---|
| 刘兴林 等: "稻田稗草对酰胺类除草剂抗药性研究进展", 《浙江农业科学》 * |
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