CN107787976A - A kind of Herbicidal combinations and its application containing Mediben and dithiopyr - Google Patents
A kind of Herbicidal combinations and its application containing Mediben and dithiopyr Download PDFInfo
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- CN107787976A CN107787976A CN201610787190.5A CN201610787190A CN107787976A CN 107787976 A CN107787976 A CN 107787976A CN 201610787190 A CN201610787190 A CN 201610787190A CN 107787976 A CN107787976 A CN 107787976A
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- mediben
- dithiopyr
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations containing Mediben and dithiopyr and its application, for the Herbicidal combinations using Mediben and dithiopyr as principle active component, the mass ratio of Mediben and dithiopyr 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, lasting period length, and all have security to 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 Mediben and fluorine sulphur grass
Fixed binary built Herbicidal combinations, the Herbicidal combinations can be applied to rice terrace postemergence weed control.
Background technology
Mediben, also known as wheat straw prestige；Dicamba.Chemical name：3,6- bis- chloro- O-Anisic Acids, structural formula are：
Mediben category hormone herbicide.With uptake and translocation effect, have significantly to annual and perennial broadleaf weed
Preventive effect.Mediben is sprayed for after seedling, and medicament can be absorbed by the leaf, stem, root of weeds quickly, pass through bast and xylem
To upper and lower conduction, focus mostly at the vigorous position of separate living tissue and metabolic activity, hinder the normal activity of plant hormone, so that
It is dead.Deformity curling symptom, 15~20d death occurs in the 24h broad leaved weeds as latter.
Dithiopyr, chemical name：S ', S- dimethyl -2- difluoromethyl -4- isobutyl group -6- trifluoromethyl pyridines -3,5-
Dithio formate, belong to pyridines herbicide, structural formula：
Dithiopyr is picolinic acid class herbicide.For rice field and Kill weeds, barnyard grass, Monochoria vaginalis, special-shaped Sha can be prevented and kill off
The annual grassy weeds such as grass, mexicana, alisma canaliculatum, it can also prevent and kill off the annual gramineous weeds such as digitaria ciliaris, digitaria violascens Link and ball sequence
The annual broadleaf weeds such as grasswort, bulbil red-spotted stonecrop, gland paint mushroom grass.The activity of weeding of the herbicide is not by environmental factor change
Influence, to rice safety.
Herbicide for paddy field is limited by crop safety at present, 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
Grow, dosage 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 be expand weed control spectrum and improve preventive effect effective measures, so far it is not yet found that
Close Mediben and the Herbicidal combinations of dithiopyr compounding.
The content of the invention
It is an object of the invention to provide a kind of Herbicidal combinations containing Mediben and dithiopyr.
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 Mediben and dithiopyr, the Herbicidal combinations are based on Mediben and dithiopyr
Want active ingredient, the mass ratio of Mediben and dithiopyr is 1：60~60：1.It is preferred that the mass ratio of Mediben and dithiopyr
For 1：50~1：20、1:1~5:1、15:1~25:1、55:1~60:1.
In Herbicidal combinations, Mediben is 1% with weight/mass percentage composition of both dithiopyrs in Herbicidal combinations
~80%, preferred mass percentage composition is 10%~65%.
In the Mediben of the present invention and the binary built composition of dithiopyr, except Mediben and dithiopyr etc. are effective
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 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.
Present invention selection can herbicide controlling spectrum it is different, the complementary two kinds of herbicides of Mediben and dithiopyr of advantage and disadvantage are suitably reduced
After be made into mixture use, so both expand herbicide controlling spectrum, hence it is evident that improve herbicidal effect, it also avoid to this season crop produce medicine
Evil and the possibility that residual hazard is produced to succession crop.
The Herbicidal combinations of the present invention have advantages below：
1st, activity of weeding is high.The Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism so that weeds
Resistance produces speed and reduced, and is greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, lasting period length.Dithiopyr is broad spectrum weeding agent, and it is to barnyard grass, Monochoria vaginalis, difformed galingale herb etc.
Annual grassy weeds has good preventive effect, and Mediben is the herbicide for preventing and kill off broad leaved weed.After both mixing, it is possible to increase to more
Kind grassy weed and the preventing and treating of broad leaved weed.
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, making medicament, it is to water on the premise of drug effect is improved
The security of rice and succession crop is also improved.
The Herbicidal combinations of the present invention, applied to rice terrace postemergence weed control, it can prevent and kill off various grass family in rice terrace
And broad leaved weed, on the premise of drug effect is improved, all there is security to rice and succession crop.
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 to apply in the herbicide of grass family and broad leaved weed in preparation.
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, it is all that the protection model of the present invention is belonged to the simple modifications of preparation method of the present invention under the concept thereof 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% Mediben dithiopyr missible oil (34：1)
Mediben 34%, dithiopyr 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 the formulation method of routine.
Embodiment 2：30% Mediben dithiopyr suspending agent (29：1)
Mediben 29%, dithiopyr 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 are water, are matched somebody with somebody according to the formulation method of routine
The suspending agent that weight/mass percentage composition is 30% is made.
Embodiment 3：60% Mediben dithiopyr water dispersible granules (59：1)
Mediben 59%, dithiopyr 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 the formulation method of routine
(WDG)。
Embodiment 4：65% Mediben dithiopyr wettable powder (12：1)
Mediben 60%, dithiopyr 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 the formulation method of routine.
Embodiment 5：61% Mediben dithiopyr missible oil (60：1)
Mediben 60%, dithiopyr 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 the formulation method of routine.
Embodiment 6：61% Mediben dithiopyr missible oil (1：60)
Mediben 1%, dithiopyr 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 the formulation method of routine.
Embodiment 7：51% Mediben dithiopyr suspending agent (50：1)
Mediben 50%, dithiopyr 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 are water, are matched somebody with somebody according to the formulation method of routine
The suspending agent that weight/mass percentage composition is 51% is made.
Embodiment 8：51% Mediben dithiopyr suspending agent (1：50)
Mediben 1%, dithiopyr 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 are water, are matched somebody with somebody according to the formulation method of routine
The suspending agent that weight/mass percentage composition is 51% is made.
Embodiment 9：31% Mediben dithiopyr water dispersible granules (1：30)
Mediben 1%, dithiopyr 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 the formulation method of routine.
Embodiment 10：41% Mediben dithiopyr water dispersible granules (40：1)
Mediben 40%, dithiopyr 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 the formulation method of routine.
Embodiment 11：42% Mediben dithiopyr wettable powder (20：1)
Mediben 40%, dithiopyr 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 the formulation method of routine.
Embodiment 12：21% Mediben dithiopyr wettable powder (1：20)
Mediben 1%, dithiopyr 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 the formulation method of routine.
Embodiment 13：33% Mediben dithiopyr aqueous emulsion (1：10)
Mediben 3%, dithiopyr 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 the preparation of routine
Method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14：33% Mediben dithiopyr aqueous emulsion (10：1)
Mediben 30%, dithiopyr 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 the preparation of routine
Method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15：30% Mediben dithiopyr microemulsion (5：1)
Mediben 25%, dithiopyr 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 the formulation method of routine
Weight/mass percentage composition is 30% microemulsion.
Embodiment 16：60% Mediben dithiopyr wettable powder (1：5)
Mediben 10%, dithiopyr 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 the formulation method of routine.
Embodiment 17：10% Mediben dithiopyr wettable powder (1：1)
Mediben 5%, dithiopyr 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 the formulation method of routine.
2nd, drug effect checking test
1), toxicity determination test
According to active ingredient Mediben：Dithiopyr quality proportioning is：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 are tested, and it is normal to rice terrace to determine it
See the co-toxicity coefficient of weeds Monochoria vaginalis.
Test method：The seed of quantitative Monochoria vaginalis is seeded in 9cm Disposable paper cup respectively, 10 are sowed in every glass
~15 seeds, are cultivated in illumination box, when 3~6 leaf phase of Monochoria vaginalis, are sprayed on crawler type crops sprayer
Processing.Continue to cultivate in greenhouse after processing, routine observation respectively handles the preventive effect to weeds, after weighing each processing after 30d
Weeds fresh weight, calculate its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active principles have and increases
Effect acts on, and co-toxicity coefficient is more than 120, shows that two kinds of active principles have notable synergistic effect, co-toxicity coefficient is less than 100, shown
Two kinds of active principles have antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of table 1
The herbicidal effect of Monochoria vaginalis is significantly improved as it can be seen from table 1 Mediben compounds with dithiopyr, illustrates the two
Compounding has significant synergies to preventing and kill off Monochoria vaginalis.Especially the proportioning of Mediben and dithiopyr is 1：60~60：1 it
Between, for the co-toxicity coefficient after two kinds of active principle compoundings all more than 120, synergistic effect is notable.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of Mediben prepared by embodiment 1~17 and dithiopyr different ratio.
Comparison medicament：
48% dicamba aqueous solution (commercially available), 20% dithiopyr water dispersible granules (WDG) (conventionally preparing).
For studying thing：Rice
Rice seedlings grow fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as barnyard grass, green bristlegrass, lady's-grass, lamb's-quarters, amaranth, smartweed.
Test method：
According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using knapsack sprayer,
Carry out even spraying, the special Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that it is small that decoction is uniformly sprayed application to experiment
Qu Zhong, the phenomenon for accomplish no drain spray, spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after experiment.This
Outside, the condition of production (dosage is the dosage 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 Mediben with expansion herbicidal spectrum and improves activity of weeding with dithiopyr compounding
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 rice.
Claims (8)
1. a kind of Herbicidal combinations containing Mediben and dithiopyr, it is characterised in that the Herbicidal combinations are with Mediben and fluorine sulphur
Grass is set to principle active component, wherein, the mass ratio of Mediben and dithiopyr is 1：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that Mediben and dithiopyr in the Herbicidal combinations
Mass ratio be 1：50~1：20、1:1~5:1、15:1~25:1、55:1~60:1.
3. Herbicidal combinations according to claim 1 or 2, it is characterised in that Mediben is with both dithiopyrs in weeding group
Weight/mass percentage composition in compound is 1%~80%.
4. Herbicidal combinations according to claim 3, it is characterised in that Mediben is with both dithiopyrs in Herbicidal combination
Weight/mass percentage composition in thing is 10%~65%.
5. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with Mediben and dithiopyr
Auxiliary agent to allow on principle active component and agricultural chemicals is configured to any one formulation.
6. Herbicidal combinations according to claim 5, it is characterised in that described formulation be missible oil, suspending agent, aqueous emulsion,
Microemulsion, water dispersible granules or wettable powder.
7. application of the Herbicidal combinations in rice terrace postemergence weed control described in claim 1.
8. application according to claim 1, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610787190.5A CN107787976A (en) | 2016-08-30 | 2016-08-30 | A kind of Herbicidal combinations and its application containing Mediben and dithiopyr |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028415A (en) * | 2015-06-25 | 2015-11-11 | 江苏省农业科学院 | Pesticide composition containing fluroxypyr and dicamba and application of pesticide composition in control of lemnaceae plants |
-
2016
- 2016-08-30 CN CN201610787190.5A patent/CN107787976A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028415A (en) * | 2015-06-25 | 2015-11-11 | 江苏省农业科学院 | Pesticide composition containing fluroxypyr and dicamba and application of pesticide composition in control of lemnaceae plants |
Non-Patent Citations (1)
| Title |
|---|
| M.FUJIYAMA: "新除草剂氟硫草定Dithiopyr", 《农药》 * |
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Application publication date: 20180313 |