CN107996594A - A kind of Herbicidal combinations and its application containing primisulfuronmethyl and thifensulfuron methyl - Google Patents

A kind of Herbicidal combinations and its application containing primisulfuronmethyl and thifensulfuron methyl Download PDF

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Publication number
CN107996594A
CN107996594A CN201711128105.5A CN201711128105A CN107996594A CN 107996594 A CN107996594 A CN 107996594A CN 201711128105 A CN201711128105 A CN 201711128105A CN 107996594 A CN107996594 A CN 107996594A
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Prior art keywords
primisulfuronmethyl
herbicidal combinations
thifensulfuron methyl
methyl
herbicidal
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CN201711128105.5A
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Inventor
石振龙
吴昊
邢刚
张宝俊
郭祥蕊
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NANJING REDSUN CO Ltd
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NANJING REDSUN CO Ltd
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Priority to CN201711128105.5A priority Critical patent/CN107996594A/en
Publication of CN107996594A publication Critical patent/CN107996594A/en
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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

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  • Life Sciences & Earth Sciences (AREA)
  • 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)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of Herbicidal combinations containing primisulfuronmethyl and thifensulfuron methyl and its application, for the Herbicidal combinations using primisulfuronmethyl and thifensulfuron methyl as principle active component, the mass ratio of thifensulfuron methyl and primisulfuronmethyl is 1：60~60：1.Herbicidal combinations of the present invention can be used for cornfield weeding, particularly have remarkable result for preventing and kill off grass family and broad leaved weed in corn field.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 corn and succession crop.

Description

A kind of Herbicidal combinations and its application containing primisulfuronmethyl and thifensulfuron methyl
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to one kind is containing primisulfuronmethyl and thiophene sulphur Grand Herbicidal combinations and its application, the Herbicidal combinations can be applied to weeding in corn field.
Background technology
Primisulfuronmethyl (Primisulfuron (methyl), also known as methyl primisulfuronmethyl；Chemical name：2- [4,6- double (two Fluorine methoxyl group) pyrimidine -2-base Carboxamide Sulfonamide base] benzoic acid.Structural formula：
Primisulfuronmethyl is a kind of yellow ureide derivative selectivity conduction type herbicide.Mainly absorbed by the root, stem, leaf of weeds, And conduct in vivo, by suppressing the biosynthesis of primary amino acid valine and isoleucine, prevent cell division and plant Growth so that young shoot and root stop growing, and then make whole strain dead.Weeds are stopped growing immediately by medicine, are dried up after 10-20 days dead Die.To corn safety, grassy weed and broad leaved weed can be prevented and kill off.So prevent and kill off grassy weed and wealthy suitable for corn field Leaf weeds.
Thifensulfuron methyl (Thifensulfuron), molecular formula：C11H11N5O6S2；Chemical name：3- (4- methoxyl group -6- methyl - 1,3,5- triazine -2- base amino carbonyl aminos sulfonyl)-thiophene-2-carboxylic acid.Structural formula：
Thifensulfuron methyl is cauline leaf process agent after a kind of efficient selective bud, can be used for cereal crop wheat, barley, oat, The broad leaved weed in corn field.Mainly absorb and conduct by weeds blade face and root system.After general dispenser, susceptible weeds are stopped immediately Only grow, it is dead after 1 week.
Corn field herbicide is limited by crop safety at present, and herbicide controlling spectrum is also limited, and a kind of herbicide single dose is used alone Cannot completely effectively control the generation of corn 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 be easy to causeing to this season crop or succession crop of dispenser.Therefore, present invention choosing Select can herbicide controlling spectrum it is different, the primisulfuronmethyl of advantage and disadvantage complementation is used with being made into mixture after two kinds of herbicides of thifensulfuron methyl suitably decrement, So both expand herbicide controlling spectrum, hence it is evident that improve herbicidal effect, it also avoid producing this season crop poisoning and to succession crop Produce the possibility of residual hazard.So far it is not yet found that closing primisulfuronmethyl and the Herbicidal combinations of thifensulfuron methyl compounding.
The content of the invention
The object of the present invention is to provide a kind of Herbicidal combinations containing primisulfuronmethyl and thifensulfuron methyl.
It is a further object of the present invention to provide application of the Herbicidal combinations in cornfield weeding.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations containing primisulfuronmethyl and thifensulfuron methyl, the Herbicidal combinations are based on primisulfuronmethyl and thifensulfuron methyl Active ingredient is wanted, wherein, the mass ratio of thifensulfuron methyl and primisulfuronmethyl is 1：60~60：1.It is preferred that the matter of thifensulfuron methyl and primisulfuronmethyl Amount is than being 1：50~50：1, more preferably 1：30~50：1.In some preferable technical solutions：Thifensulfuron methyl and the phonetic sulphur of fluorine It is grand 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 ingredient primisulfuronmethyl and thifensulfuron methyl, also can in use or preparation to Other components are added in active ingredient, the effective ingredient in the Pesticidal combination can be present in composition with enhancing effective amount In.
In Herbicidal combinations, thifensulfuron methyl is 1% with mass percentage of both primisulfuronmethyls in Herbicidal combinations ~80%, preferred mass percentage composition is 10%~65%.
In the primisulfuronmethyl of the present invention and the binary built composition of thifensulfuron methyl, except primisulfuronmethyl and thifensulfuron methyl etc. are effective Outside component, 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 pesticide 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 corn field postemergence weed control, the standing grain particularly in corn field 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 the following advantages：
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 reduces, and is greatly enhanced the removing activity of herbicide.
2nd, herbicidal spectrum is wide, lasting period length.Primisulfuronmethyl is broad spectrum weeding agent, it has very annual gramineous weed Good preventive effect, thifensulfuron methyl is the herbicide for preventing and kill off broad leaved weed.After both mixing, it is possible to increase to a variety of grassy weeds and wealthy The prevention of leaf weeds.
3rd, Weed Resistance is delayed.Herbicidal combinations of the present invention are reduced weeds to the resistance of medicament, are also prolonged by binary built 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.Since its dosage is under control, making medicament, it is to jade on the premise of drug effect is improved The security of rice and succession crop is also improved.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide for corn field postemergence weed control is prepared, Particularly it is used to prevent and kill off in corn field 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 embodiments.The processing work of the various preparations of the present composition Skill is the prior art, can be varied from according to different situations.
First, formulation prepares embodiment
Embodiment 1：35% thifensulfuron methyl primisulfuronmethyl missible oil (34：1)
Thifensulfuron methyl 34%, primisulfuronmethyl 1%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, and the missible oil that mass percentage is 35% is configured to according to conventional formulation method.
Embodiment 2：30% thifensulfuron methyl primisulfuronmethyl suspending agent (29：1)
Thifensulfuron methyl 29%, primisulfuronmethyl 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 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 conventional formulation method The suspending agent that mass percentage is 30% is made.
Embodiment 3：60% thifensulfuron methyl primisulfuronmethyl water dispersible granules (59：1)
Thifensulfuron methyl 59%, primisulfuronmethyl 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin complements to 100%, and the water dispersible granules that mass percentage is 60% are configured to according to conventional formulation method (WDG)。
Embodiment 4：65% thifensulfuron methyl primisulfuronmethyl wettable powder (12：1)
Thifensulfuron methyl 60%, primisulfuronmethyl 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite Soil complements to 100%, and the wettable powder (WP) that mass percentage is 65% is configured to according to conventional formulation method.
Embodiment 5：61% thifensulfuron methyl primisulfuronmethyl missible oil (60：1)
Thifensulfuron methyl 60%, primisulfuronmethyl 1%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, and the missible oil that mass percentage is 61% is configured to according to conventional formulation method.
Embodiment 6：61% thifensulfuron methyl primisulfuronmethyl missible oil (1：60)
Thifensulfuron methyl 1%, primisulfuronmethyl 60%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, and the missible oil that mass percentage is 61% is configured to according to conventional formulation method.
Embodiment 7：51% thifensulfuron methyl primisulfuronmethyl suspending agent (50：1)
Thifensulfuron methyl 50%, primisulfuronmethyl 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 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 conventional formulation method The suspending agent that mass percentage is 51% is made.
Embodiment 8：51% thifensulfuron methyl primisulfuronmethyl suspending agent (1：50)
Thifensulfuron methyl 1%, primisulfuronmethyl 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 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 conventional formulation method The suspending agent that mass percentage is 51% is made.
Embodiment 9：31% thifensulfuron methyl primisulfuronmethyl water dispersible granules (1：30)
Thifensulfuron methyl 1%, primisulfuronmethyl 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin complements to 100%, and the water dispersible granules that mass percentage is 31% are configured to according to conventional formulation method.
Embodiment 10：41% thifensulfuron methyl primisulfuronmethyl water dispersible granules (40：1)
Thifensulfuron methyl 40%, primisulfuronmethyl 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin complements to 100%, and the water dispersible granules that mass percentage is 41% are configured to according to conventional formulation method.
Embodiment 11：42% thifensulfuron methyl primisulfuronmethyl wettable powder (20：1)
Thifensulfuron methyl 40%, primisulfuronmethyl 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite Soil complements to 100%, and the wettable powder that mass percentage is 42% is configured to according to conventional formulation method.
Embodiment 12：21% thifensulfuron methyl primisulfuronmethyl wettable powder (1：20)
Thifensulfuron methyl 1%, primisulfuronmethyl 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite Soil complements to 100%, and the wettable powder that mass percentage is 21% is configured to according to conventional formulation method.
Embodiment 13：33% thifensulfuron methyl primisulfuronmethyl aqueous emulsion (1：10)
Thifensulfuron methyl 3%, primisulfuronmethyl 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 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 mass percentage is 33%.
Embodiment 14：33% thifensulfuron methyl primisulfuronmethyl aqueous emulsion (10：1)
Thifensulfuron methyl 30%, primisulfuronmethyl 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 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 mass percentage is 33%.
Embodiment 15：30% thifensulfuron methyl primisulfuronmethyl microemulsion (5：1)
Thifensulfuron methyl 25%, primisulfuronmethyl 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, is configured to according to conventional formulation method Mass percentage is 30% microemulsion.
Embodiment 16：60% thifensulfuron methyl primisulfuronmethyl wettable powder (1：5)
Thifensulfuron methyl 10%, primisulfuronmethyl 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite Soil complements to 100%, and the wettable powder that mass percentage is 60% is configured to according to conventional formulation method.
Embodiment 17：10% thifensulfuron methyl primisulfuronmethyl wettable powder (1：1)
Thifensulfuron methyl 5%, primisulfuronmethyl 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolin 100% is complemented to, the wettable powder that mass percentage is 10% is configured to according to conventional formulation method.
2nd, drug effect checking test
1), toxicity determination test
According to active ingredient thifensulfuron methyl：Primisulfuronmethyl 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 corn field to measure it See the co-toxicity coefficient of weeds Monochoria vaginalis.
Test method：The seed of quantitative Monochoria vaginalis is seeded in the disposable paper cup of 9cm respectively, 10 are sowed in every glass ~15 seeds, are cultivated in illumination box, when the Monochoria vaginalis 3-6 leaf phases, 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, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 120, shows that two kinds of active principles have and increases Effect acts on, and co-toxicity coefficient shows that two kinds of active principles have summation action, co-toxicity coefficient is less than 80, shows between 80-120 Two kinds of active principles have antagonism.Measurement result is as shown in table 1.
1 toxicity measurement result of table
As it can be seen from table 1 thifensulfuron methyl presses 1 with primisulfuronmethyl pine:60~60:1 ratio is compounded, its co-toxicity coefficient 120 are all higher than, illustrates to show as synergistic effect to preventing and kill off Monochoria vaginalis.Especially the proportioning of thifensulfuron methyl and primisulfuronmethyl is 1：30~ 50：Between 1, the co-toxicity coefficient after two kinds of active principles compounding is optimal, illustrate thifensulfuron methyl and primisulfuronmethyl match herein between into Synergistic effect of the row compounding to preventing and kill off Monochoria vaginalis is most notable, and the present invention has obvious synergistic effect.
2), field control effectiveness test.
Reagent agent：
The re-compounded binary herbicide of primisulfuronmethyl prepared by embodiment 1~17 and thifensulfuron methyl different ratio.
Comparison medicament：
75% thifensulfuron methyl WP (commercially available), 75% primisulfuronmethyl WP (commercially available).
For studying thing：Corn
Maize seedling grows fine, robust plant, without other pest and disease damages.
Control object：
The weeds such as Monochoria vaginalis, multitude, lady's-grass, green bristlegrass, clearvers, purslane.
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 dedicated Fan spray head of sprinkler selection herbicide.During spraying, it should be noted that it is small that liquid 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 active ingredient per acre) of crop is also observed in 1~15d after medicine, to investigate Whether medicament has poisoning to crop.
The embodiment of the present invention preparation Herbicidal Testing Trials effect see the table below 2 (20d after medicine) and table 3 (40d after medicine)
2 field control effectiveness test result of table (20d after medicine)
3 field control effectiveness test result of table (40d after medicine)
From table 2 and table 3 as can be seen that primisulfuronmethyl with expansion herbicidal spectrum and improves activity of weeding with thifensulfuron methyl 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, illustrates that the two compounding has significant synergistic effect to the preventive effect of broad leaved weed in corn field and grassy weed.Together When it can also be seen that not primisulfuronmethyl and thifensulfuron methyl can produce synergistic function with arbitrary proportion compounding.
Security survey result of 4 medicament of table to crop
Corn in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to corn.

Claims (9)

1. a kind of Herbicidal combinations containing primisulfuronmethyl and thifensulfuron methyl, it is characterised in that the Herbicidal combinations are with primisulfuronmethyl and thiophene Grand sulphur is principle active component, wherein, the mass ratio of thifensulfuron methyl and primisulfuronmethyl is 1：60~60：1.
2. Herbicidal combinations according to claim 1, it is characterised in that thifensulfuron methyl and primisulfuronmethyl in the Herbicidal combinations Mass ratio be 1：50~50：1.
3. Herbicidal combinations according to claim 1, it is characterised in that thifensulfuron methyl and primisulfuronmethyl in the Herbicidal combinations Mass ratio be 1：30~50：1.
4. according to the Herbicidal combinations described in claim 1,2 or 3, it is characterised in that thifensulfuron methyl is with both primisulfuronmethyls in weeding Mass percentage in composition is 1%~80%.
5. Herbicidal combinations according to claim 4, it is characterised in that thifensulfuron methyl is with both primisulfuronmethyls in Herbicidal combination Mass percentage in thing is 10%~65%.
6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with primisulfuronmethyl and thifensulfuron methyl Auxiliary agent to allow on principle active component and pesticide is configured to any one formulation.
7. Herbicidal combinations according to claim 6, it is characterised in that the formulation for missible oil, suspending agent, aqueous emulsion, Microemulsion, water dispersible granules or wettable powder.
8. application of the claim 1-7 any one of them Herbicidal combinations in cornfield weeding.
9. application according to claim 8, it is characterised in that Herbicidal combinations grass family in corn field is prevented and kill off With the application in broad leaved weed.
CN201711128105.5A 2017-11-15 2017-11-15 A kind of Herbicidal combinations and its application containing primisulfuronmethyl and thifensulfuron methyl Withdrawn CN107996594A (en)

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Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘海辉等: "除草剂氟嘧磺隆", 《浙江化工》 *

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Application publication date: 20180508