CN108013062A - A kind of Herbicidal combinations and its application containing primisulfuronmethyl and nicosulfuron - Google Patents
A kind of Herbicidal combinations and its application containing primisulfuronmethyl and nicosulfuron Download PDFInfo
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- CN108013062A CN108013062A CN201711128170.8A CN201711128170A CN108013062A CN 108013062 A CN108013062 A CN 108013062A CN 201711128170 A CN201711128170 A CN 201711128170A CN 108013062 A CN108013062 A CN 108013062A
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- nicosulfuron
- herbicidal combinations
- primisulfuronmethyl
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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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Abstract
The invention discloses a kind of Herbicidal combinations containing primisulfuronmethyl and nicosulfuron and its application, for the Herbicidal combinations using primisulfuronmethyl and nicosulfuron as principle active component, the mass ratio of nicosulfuron 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
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to one kind is phonetic containing primisulfuronmethyl and cigarette
The grand Herbicidal combinations of sulphur and its application.
Background technology
Primisulfuronmethyl (Primisulfuron (methyl)), also known as methyl primisulfuronmethyl；Chemical name：[4,6- is double by 2-
(difluoro-methoxy) 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.
Nicosulfuron (nicosulfuron), molecular formula：C15H18N6O6S；Chemical name：1- (4,6- dimethoxypyridins-
2- yls) -3- (3- dimethyl carbamoyl pyridine -2- bases sulphonyl) urea.Structural formula：
Nicosulfuron is inner-adsorption conduction-type herbicide, can conduct by the cauline leaf of plant and root absorption and rapidly, pass through suppression
The activity of acetolactate synthestase in plant processed, prevent branched-chain amino acid achievement propylhomoserin, leucine synthesized with isoleucine and then
Cell division is prevented, sensitive plant is stopped growing.Can prevent barnyard grass, lady's-grass, eleusine indica, green bristlegrass, Amaranthus retroflexus, purslane,
Piemarker, field bindweed, field thistle, sowthistle, setaria glauca, wild broomcorn millet, black nightshade, elscholtiza, Siberian cocklebur, dayflower, bog marshcress herb, penny cress,
The annual grassy weeds such as meadow pine, artemisia, setose thistle, wild oat and perennial broadleaf weed, high dose can also make perennial weeds dead.
To corn crop safety.
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, two kinds of herbicides of primisulfuronmethyl and nicosulfuron of advantage and disadvantage complementation are appropriate be reduced after be made into mixture and make
With so both expanding herbicide controlling spectrum, hence it is evident that improve herbicidal effect, it also avoid producing this season crop poisoning and rear stubble is made
Thing produces the possibility of residual hazard.So far it is not yet found that closing primisulfuronmethyl and the Herbicidal combination of nicosulfuron compounding
Thing.
The content of the invention
The object of the present invention is to provide a kind of Herbicidal combinations containing primisulfuronmethyl and nicosulfuron.
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 nicosulfuron, the Herbicidal combinations are with primisulfuronmethyl and nicosulfuron
For principle active component, wherein, the mass ratio of nicosulfuron and primisulfuronmethyl is 1：60~60：1.It is preferred that nicosulfuron is phonetic with fluorine
The grand mass ratio of sulphur is 1：30~40：1, more preferably 1：20~10：1.In some preferable technical solutions：The phonetic sulphur of cigarette
Grand and primisulfuronmethyl 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 nicosulfuron, also can be in use or preparation
Other components are added into active ingredient, the effective ingredient in the Pesticidal combination can be present in composition with enhancing effective amount
In.
In Herbicidal combinations, mass percentage of the nicosulfuron with both primisulfuronmethyls in Herbicidal combinations is
1%~80%, preferred mass percentage composition is 10%~65%.
In the primisulfuronmethyl of the present invention and the binary built composition of nicosulfuron, except primisulfuronmethyl and nicosulfuron etc.
Outside active ingredient, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid packing etc. can also be added and helped
Agent is configured to any one formulation allowed on pesticide.It is preferred that it is processed into missible oil, suspending agent, aqueous emulsion, microemulsion, water-dispersible grain
Agent, wettable powder etc..
Herbicidal combinations of the present invention can be applied in 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, nicosulfuron 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
The prevention of broad leaved weed.
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.Therefore, it is of the present invention
Herbicidal combinations can be applied in the herbicide for corn field postemergence weed control is prepared, and particularly prepare for preventing and kill off corn field
Applied in the herbicide of middle grass family and broad leaved weed.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention, 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% nicosulfuron primisulfuronmethyl missible oil (34：1)
Nicosulfuron 34%, primisulfuronmethyl 1%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that mass percentage is 35% is configured to according to conventional formulation method.
Embodiment 2：30% nicosulfuron primisulfuronmethyl suspending agent (29：1)
Nicosulfuron 29%, primisulfuronmethyl 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 30%.
Embodiment 3：60% nicosulfuron primisulfuronmethyl water dispersible granules (59：1)
Nicosulfuron 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% nicosulfuron primisulfuronmethyl wettable powder (12：1)
Nicosulfuron 60%, primisulfuronmethyl 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge 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% nicosulfuron primisulfuronmethyl missible oil (60：1)
Nicosulfuron 60%, primisulfuronmethyl 1%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that mass percentage is 61% is configured to according to conventional formulation method.
Embodiment 6：61% nicosulfuron primisulfuronmethyl missible oil (1：60)
Nicosulfuron 1%, primisulfuronmethyl 60%, alkylphenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether 15%,
Dimethylbenzene complements to 100%, and the missible oil that mass percentage is 61% is configured to according to conventional formulation method.
Embodiment 7：51% nicosulfuron primisulfuronmethyl suspending agent (50：1)
Nicosulfuron 50%, primisulfuronmethyl 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 8：51% nicosulfuron primisulfuronmethyl suspending agent (1：50)
Nicosulfuron 1%, primisulfuronmethyl 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 9：31% nicosulfuron primisulfuronmethyl water dispersible granules (1：30)
Nicosulfuron 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% nicosulfuron primisulfuronmethyl water dispersible granules (40：1)
Nicosulfuron 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% nicosulfuron primisulfuronmethyl wettable powder (20：1)
Nicosulfuron 40%, primisulfuronmethyl 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that mass percentage is 42% is configured to according to conventional formulation method.
Embodiment 12：21% nicosulfuron primisulfuronmethyl wettable powder (1：20)
Nicosulfuron 1%, primisulfuronmethyl 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that mass percentage is 21% is configured to according to conventional formulation method.
Embodiment 13：33% nicosulfuron primisulfuronmethyl aqueous emulsion (1：10)
Nicosulfuron 3%, primisulfuronmethyl 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 14：33% nicosulfuron primisulfuronmethyl aqueous emulsion (10：1)
Nicosulfuron 30%, primisulfuronmethyl 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphthas 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 15：30% nicosulfuron primisulfuronmethyl microemulsion (5：1)
Nicosulfuron 25%, primisulfuronmethyl 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%th, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, matches somebody with somebody according to conventional formulation method
The microemulsion that mass percentage is 30% is made.
Embodiment 16：60% nicosulfuron primisulfuronmethyl wettable powder (1：5)
Nicosulfuron 10%, primisulfuronmethyl 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, and the wettable powder that mass percentage is 60% is configured to according to conventional formulation method.
Embodiment 17：10% nicosulfuron primisulfuronmethyl wettable powder (1：1)
Nicosulfuron 5%, primisulfuronmethyl 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, kaolinite
Soil complements to 100%, and 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 nicosulfuron：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 measure it to corn field
The co-toxicity coefficient of common weed lady's-grass.
Test method：The seed of quantitative lady's-grass is seeded in the disposable paper cup of 9cm respectively, in every glass sow 10~
15 seeds, are cultivated in illumination box, and when the lady's-grass 3-6 leaf phases, spraying treatment is carried out on crawler type crops sprayer.
Continue to cultivate in greenhouse after processing, routine observation respectively handles the preventive effect to weeds, and the weeds weighed after 30d after each processing 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.
1 toxicity measurement result of table
As it can be seen from table 1 nicosulfuron presses 1 with primisulfuronmethyl pine:60~60:1 ratio is compounded, and poison is altogether for it
Number is all higher than 120, illustrates to show as synergistic effect to preventing and kill off Monochoria vaginalis.Especially the proportioning of nicosulfuron and primisulfuronmethyl is 1：
20~10：Between 1, the co-toxicity coefficient after two kinds of active principle compoundings is optimal, illustrates that nicosulfuron matches herein with primisulfuronmethyl
Between compounded it is most notable to the synergistic effect for preventing and kill off Monochoria vaginalis, the present invention there is obvious synergistic effect.
2), field control effectiveness test
Reagent agent：
The re-compounded binary herbicide of primisulfuronmethyl prepared by embodiment 1~17 and nicosulfuron different ratio.
Comparison medicament：
10% nicosulfuron 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 lady's-grass, clearvers, Amaranthus retroflexus, purslane, green bristlegrass, Veronica, Monochoria vaginalis.
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 has expansion herbicidal spectrum with nicosulfuron compounding and improves activity of weeding
Effect, and extend the lasting period of medicament.Broad leaved weed and grassy weed can be effectively prevented and kill off, its preventive effect is better than single dose
Preventive effect, illustrate that the two compounding has significant synergistic effect to the preventive effect of broad leaved weed in corn field and grassy weed.
At the same time it can also be seen that not primisulfuronmethyl can produce synergistic function with nicosulfuron 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)
- A kind of 1. Herbicidal combinations containing primisulfuronmethyl and nicosulfuron, it is characterised in that the Herbicidal combinations with primisulfuronmethyl with Nicosulfuron is principle active component, wherein, the mass ratio of nicosulfuron and primisulfuronmethyl is 1：60~60：1.
- 2. Herbicidal combinations according to claim 1, it is characterised in that nicosulfuron and the phonetic sulphur of fluorine in the Herbicidal combinations Grand mass ratio is 1：30~40：1.
- 3. Herbicidal combinations according to claim 1, it is characterised in that nicosulfuron and the phonetic sulphur of fluorine in the Herbicidal combinations Grand mass ratio is 1：20~10：1.
- 4. according to the Herbicidal combinations described in claim 1,2 or 3, it is characterised in that nicosulfuron and both primisulfuronmethyls except Mass percentage in careless composition is 1%~80%.
- 5. Herbicidal combinations according to claim 4, it is characterised in that nicosulfuron is with both primisulfuronmethyls in weeding group Mass percentage in compound is 10%~65%.
- 6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are with primisulfuronmethyl and the phonetic sulphur of cigarette The grand 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 Herbicidal combinations in the herbicide for cornfield weeding is prepared described in claim 1.
- 9. the Herbicidal combinations described in claim 1 are being prepared for preventing and kill off the herbicide of grass family and broad leaved weed in corn field In application.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711128170.8A CN108013062A (en) | 2017-11-15 | 2017-11-15 | A kind of Herbicidal combinations and its application containing primisulfuronmethyl and nicosulfuron |
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| CN201711128170.8A CN108013062A (en) | 2017-11-15 | 2017-11-15 | A kind of Herbicidal combinations and its application containing primisulfuronmethyl and nicosulfuron |
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- 2017-11-15 CN CN201711128170.8A patent/CN108013062A/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| 刘海辉等: "除草剂氟嘧磺隆", 《浙江化工》 * |
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