CN106889084A - A kind of Herbicidal combinations and its application containing pyraclonil and bentazone - Google Patents
A kind of Herbicidal combinations and its application containing pyraclonil and bentazone Download PDFInfo
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- CN106889084A CN106889084A CN201710107433.0A CN201710107433A CN106889084A CN 106889084 A CN106889084 A CN 106889084A CN 201710107433 A CN201710107433 A CN 201710107433A CN 106889084 A CN106889084 A CN 106889084A
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- pyraclonil
- bentazone
- herbicidal combinations
- weed
- 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
- 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
-
- 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
- A01N43/88—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 six-membered rings with three ring hetero atoms
Abstract
The invention discloses a kind of Herbicidal combinations containing pyraclonil and bentazone and its application, with pyraclonil and bentazone as principle active component, bentazone 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 rice terrace postemergence weed control, particularly have remarkable result for preventing and kill off grass family and broad leaved weed and sedge weed in rice terrace.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 contains pyraclonil and weed eradication
The Herbicidal combinations of pine 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.
Bentazone (Bentazone), chemical name：Thiadiazine -4- the ketone of 3 one isopropyl one (1H) benzo one 2,1,3 one
One 2,2 one dioxide.Structural formula：
Bentazone is a kind of contact killing type, selective herbicide after seedling.Seedling stage is processed, and is worked by blade contact.Drought
When field uses, it is transmitted to by blade infiltration and suppresses photosynthesis in chloroplaset；When paddy field uses, moreover it is possible to by Root Absorption,
It is transmitted to cauline leaf, hinders weeds photosynthesis and water metabolism, makes physiological dysfunction and lethal.It is mainly used in preventing and kill off dicotyledonous
Weeds, paddy field nutgrass flatsedge and other monocotyledon weeds, therefore be good herbicides for use in paddy.Can also be used for wheat class, soybean, cotton,
The dry crop weeding such as peanut, such as convexutricle sedge herb, Herba Cyperi Glomerati, Monochoria vaginalis, needle spikesedge herb, flat Fischer bar grass, wild water chestnut, clearvers, knotweed grass,
Amaranth, lamb's-quarters, Drilgrass etc..
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 bentazone compounding.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing pyraclonil Yu bentazone.
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 bentazone, the Herbicidal combinations are based on pyraclonil and bentazone
Active ingredient is wanted, wherein, bentazone is 1 with the mass ratio of pyraclonil：60~60：1.It is preferred that the matter of bentazone and pyraclonil
Amount is than being 1：30~40：1, more preferably 1：30~30：1.In some preferred technical schemes：Bentazone and polybenzobisoxazole grass
Nitrile 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：Selected in 60 these ratios.
This compound weeding composition can comprise only active component pyraclonil and bentazone, 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 bentazones in Herbicidal combinations
~80%, preferred mass percentage composition is 10%~65%.
In the binary built composition of pyraclonil of the invention and bentazone, except pyraclonil and bentazone 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 postemergence weed control, the standing grain particularly in rice terrace is prevented and kill off
Using with remarkable result in undergraduate course and broad leaved weed and sedge weed.
Herbicidal combinations of the invention have advantages below：
1st, activity of weeding is high.Present invention selection herbicide controlling spectrum is different, and the complementary pyraclonil of advantage and disadvantage is removed for two kinds with bentazone
Careless agent, Herbicidal combinations of the invention are made into according to specific ratio range, can kill weeds, and two by two kinds of different mechanism
Plant herbicide and produce synergy in the ratio range, be 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, expand herbicidal spectrum,
Various grassy weeds, sedge weed and broad leaved weed can be prevented and treated.
3rd, Weed Resistance is delayed.Herbicidal combinations of the present invention reduce weeds to the resistance of medicament by binary built, also prolong
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 improve, 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 applied in the herbicide of grassy weed, sedge weed and broad leaved weed in preparing for preventing and kill off rice terrace.
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% bentazone pyraclonil missible oil (34：1)
Bentazone 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% bentazone pyraclonil suspending agent (29：1)
Bentazone 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% bentazone pyraclonil water dispersible granules (59：1)
Bentazone 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% bentazone pyraclonil wettable powder (12：1)
Bentazone 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% bentazone pyraclonil missible oil (60：1)
Bentazone 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% bentazone pyraclonil missible oil (1：60)
Bentazone 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% bentazone pyraclonil suspending agent (50：1)
Bentazone 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% bentazone pyraclonil suspending agent (1：50)
Bentazone 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% bentazone pyraclonil water dispersible granules (1：30)
Bentazone 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% bentazone pyraclonil water dispersible granules (40：1)
Bentazone 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% bentazone pyraclonil wettable powder (20：1)
Bentazone 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% bentazone pyraclonil wettable powder (1：20)
Bentazone 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% bentazone pyraclonil aqueous emulsion (1：10)
Bentazone 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% bentazone pyraclonil aqueous emulsion (10：1)
Bentazone 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% bentazone pyraclonil microemulsion (5：1)
Bentazone 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% bentazone pyraclonil wettable powder (1：5)
Bentazone 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% bentazone pyraclonil wettable powder (1：1)
Bentazone 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 bentazone：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 1-4 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 bentazone 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 bentazone and pyraclonil is 1：30~30：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：
Pyraclonil and the re-compounded binary herbicide of bentazone different ratio prepared by embodiment 1~17.
Comparison medicament：
25% bentazone AS (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 Herba Cyperi Glomerati, Monochoria vaginalis, barnyard grass, Drilgrass, lady's-grass, green bristlegrass, needle spikesedge herb, clearvers, amaranth.
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 bentazone compounding
Effect, and extend the lasting period of medicament.Broad leaved weed and grassy weed and Cyperaceae can be effectively prevented and kill off, its preventive effect is excellent
In the preventive effect of single dose, illustrate the two compounding to broad leaved weed in rice terrace and the preventive effect of grassy weed and sedge weed
There is significant synergistic 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 bentazone, it is characterised in that the Herbicidal combinations with pyraclonil with go out
Careless pine is principle active component, wherein, bentazone is 1 with the mass ratio of pyraclonil：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that bentazone and pyraclonil in the Herbicidal combinations
Mass ratio be 1：30~40：1.
3. Herbicidal combinations according to claim 2, it is characterised in that pyraclonil and bentazone in the Herbicidal combinations
Mass ratio be 1：30~30：1.
4. Herbicidal combinations according to claim 1,2 or 3, it is characterised in that pyraclonil is with both bentazones 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 bentazones 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 bentazone
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 postemergence weed control.
9. application according to claim 8, it is characterised in that described Herbicidal combinations grass family in rice terrace is prevented and kill off
With the application in broad leaved weed and sedge weed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107433.0A CN106889084A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and bentazone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710107433.0A CN106889084A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and bentazone |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710107433.0A Pending CN106889084A (en) | 2017-02-27 | 2017-02-27 | A kind of Herbicidal combinations and its application containing pyraclonil and bentazone |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201710107433.0A patent/CN106889084A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US6013605A (en) * | 1995-11-15 | 2000-01-11 | Hoechst Scharing Agrevo Gmbh | Synergistic herbicidal mixtures |
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