CN105191933B - A kind of composition of agricultural synergist and sulfonylurea herbicide - Google Patents
A kind of composition of agricultural synergist and sulfonylurea herbicide Download PDFInfo
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Abstract
The present invention relates to a kind of agricultural synergist and the composition of sulfonylurea herbicide, comprising agricultural synergist and one or more sulfonylurea herbicide.Wherein, the agricultural synergist is NF 100, the sulfonylurea herbicide is selected from one or more in tribenuron-methyl, bensulfuron-methyl, halosulfuronmethyl, promazine Sulfometuron Methyl, piperazine pyrazosulfuron, metsulfuron-methyl, rimsulfuron, and the agricultural synergist and the weight ratio of sulfonylurea herbicide are 1: 0.1 10.
Description
Technical field
The present invention relates to agriculture field, and in particular to the composition of a kind of agricultural synergist and sulfonylurea herbicide and its
Using.
Background technology
China is a large agricultural country, and the use of agricultural chemicals is be unable to do without in actual agricultural production, and the application of herbicide is not only
Grain yield is increased, the raising of agricultural modernization degree is promoted, the intensity and cost of artificial weeding is also greatly reduced.,
But, with the influence of extension, the agricultural chemicals not factor such as scientifical use of crop weeds chemical prevention medication history, the thing followed
It is that herbicide resistance is increasingly serious, is to be badly in need of one of agricultural problem of solution at present.
Sulfonylurea herbicide is the class herbicide that kind is most in the world, range of application is most wide, with high activity, extensively
The advantages of spectrum, low dosage, low toxicity, high selectivity, sulfonylurea herbicide was by the acetolactate synthestase in plant
(ALS) suppression, so as to hinder branched-chain amino acid (valine, leucine and isoleucine) biosynthesis, suppresses plant cell
Division and growth.Activity of weeding suppresses ALS and suppresses height correlation with it.But with widely using for sulfonylurea herbicide,
Have now found that many weeds generate resistance to sulfonylurea herbicide.
NF-100 is a kind of modified organic silicon surfactant of glycosyl, it is known that there is preferably wetting to open up ability for it,
Improve diffusion and infiltration of the drop in crop surface.At present in actual applications, mainly it is used as insecticides adjuvant and uses, to change
The physical property of kind pesticidal preparations.On its as synergist to increase pesticide activity in terms of, prior art does not have any report.
Because prior art has above-mentioned problems, therefore sulfonylurea herbicide work can be increased in the presence of searching
Property, extend the current demand of its service life.
The content of the invention
To solve the problems, such as prior art, the present inventor have passed through long-term research, and discovery agricultural synergist is NF-
The 100 herbicide effects that can be effectively increased sulfonylurea herbicide, alleviate development of drug resistance.Based on the discovery, inventor completes
The present invention.
It is an object of the invention to provide the composition and its application of a kind of agricultural synergist and sulfonylurea herbicide.This
Invention is achieved through the following technical solutions：
One aspect of the present invention is related to the composition of a kind of agricultural synergist and sulfonylurea herbicide, comprising agricultural synergist
With one or more sulfonylurea herbicide, wherein, the agricultural synergist be NF-100.
Preferably, in the present compositions, the agricultural synergist and the weight ratio of sulfonylurea herbicide are 1:
0.1-10, preferably 1: 0.5-5, more preferably 1: 1-4, more preferably 1: 2.5.
Preferably, in the present compositions, the sulfonylurea herbicide is selected from tribenuron-methyl, bensulfuron-methyl, chlorine pyrrole
One or more in Sulfometuron Methyl, promazine Sulfometuron Methyl, piperazine pyrazosulfuron, metsulfuron-methyl, rimsulfuron.It is highly preferred that the sulphonyl
Carbamide herbicides are selected from one or more in halosulfuronmethyl, rimsulfuron, piperazine pyrazosulfuron.Most preferably, the sulphonyl
Carbamide herbicides are selected from halosulfuronmethyl and rimsulfuron.
Another aspect of the present invention is related to a kind of herbicide, wherein, the herbicide contains the above-mentioned hair of 1-80 weight %
Bright composition, acceptable carrier and auxiliary agent on balance of agricultural chemicals.
Preferably, the herbicide contains the invention described above composition of 10-60 weight %, is subjected on balance of agricultural chemicals
Carrier and auxiliary agent.
Herbicide of the present invention can be prepared into agriculturally acceptable any formulation, for example missible oil, aqueous emulsion, micro-
Emulsion, suspending agent, water dispersible granules, wettable powder etc..It is preferably prepared to suspending agent, wettable powder or water dispersible granules.
Above-mentioned formulation is this area regular dosage form, what its preparation method was well known to those skilled in the art, is prepared into
Auxiliary agent and/or carrier and its consumption used in above-mentioned various formulations are similarly well-known to those skilled in the art, for example, join
According to《Formulations of pesticide process technology》.Acceptable carrier and auxiliary agent are included but is not limited on agricultural chemicals used：Solvent, emulsifying agent, point
Powder, wetting agent, adhesive, disintegrant, thickener, antifreezing agent, stabilizer, filler and/or carrier etc..People in the art
Member can select one or more auxiliary agent therein and/or carrier.
In one embodiment of the invention, herbicide of the invention is prepared into suspending agent, its formula composition is：Sulphur
Sulfonylurea herbicide 1-60%, NF-100 0.1-30%, dispersant 1-20%, wetting agent 1-20%, thickener 0.1-5%, prevent
Freeze agent 0.1-5%, defoamer 0.1-5%, water complements to 100%.Its preparation method is：By active ingredient and various auxiliary agents with
Water mixes, and after being sanded through high speed shear dispersion, sand mill, forms high dispersive, the suspension system of stabilization, and suspending agent is obtained.
In one embodiment of the invention, herbicide of the invention is prepared into wettable powder, its formula composition
For：Sulfonylurea herbicide 1-60%, NF-100 0.1-30%, dispersant 1-20%, wetting agent 1-20%, solid carrier are mended
Enough to 100%.Its preparation method is：Each component is mixed, ground, crushing is obtained wettable powder.
In one embodiment of the invention, herbicide of the invention is prepared into water dispersible granules, its formula composition
For：Sulfonylurea herbicide 1-60%, NF-100 0.1-30%, dispersant 1-20%, wetting agent 1-20%, disintegrant 1-
10%, binding agent 0.5-10%, solid carrier complements to 100%.Its preparation method is：Each component is well mixed, size-reduced,
Granulation, is obtained water dispersible granules.
Wherein, in above-mentioned formula, the solvent can be selected：Ethyl acetate, acetone, isopropanol, benzene, toluene, diformazan
One kind or many in benzene, dimethylformamide, dimethyl sulfoxide (DMSO), dichloromethane, hexamethylene, cyclohexanone, 1-METHYLPYRROLIDONE
Kind；
The emulsifying agent can be selected：Lauryl sodium sulfate, sodium lignin sulfonate, neopelex, 12
Alkyl benzene calcium sulfonate, phenyl phenol polyoxyethanyl ether phosphate, naphthalenesulfonate formaldehyde condensation compound, benzyl dimethyl phenol polyoxyethanyl
Ether, styryl phenyl APEO, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, sorbitan monostearate gather
Oxygen vinethene, sorbitan fatty acid ester APEO, AEO, NPE phosphoric acid
One or more in ester, castor oil polyoxyethylene ether phosphate；
The dispersant can be selected：Glycerine fatty acid APEO, polyoxyethylene alkylaryl ether, lignin sulfonic acid
Sodium, fatty alcohol polyoxyethylene ether sulfate, naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, polyoxyethylene nonyl phenyl
Vinethene, polyoxyethylene lanolin alcohol, APES formaldehyde condensation product, AEO, poly alkyl alcohol
One or more in oxygen ethene ether phosphate, Polyoxyethylene Sorbitan acid esters；
The wetting agent can be selected：Trisiloxanes APEO, N- sodium lauroyl glutamates, dodecyl sulphate
Sodium, sodium N-lauroyl sarcosinate, castor oil polyoxyethylene ether, triphenoethyl benzene phenol polyethenoxy ether, calcium dodecyl benzene sulfonate,
One or more in isooctanol Disodium sulfosuccinate, AEO；
Described adhesive can be selected：Xanthans, starch, gelatin, Arabic gum, carboxymethylcellulose calcium, carboxyethylcellulose
One or more in element；
The disintegrant can be selected：One kind or many in sodium acid carbonate, ammonium sulfate, sodium sulphate, calcium sulfate, magnesium chloride
Kind；
The thickener can be selected：Aluminium-magnesium silicate, polyvinyl acetate, xanthans, gelatin, Arabic gum, polyethylene
One or more in alcohol；
The defoamer can be selected：One or more in n- octanol, silicone, butylphosphoric acid ester, phosphoric acid isobutyl ester etc.；
The antifreezing agent can be selected：Selected from one or more in propane diols, ethylene glycol, glycerine etc.；
The stabilizer can be selected：Epoxychloropropane, butyl glycidyl ether, triphenyl phosphite, N- soybean oil bases
One or more in trimethylene diamine, dialkyl group succinate sulfonate etc.；
Described filler and/or carrier include solid packing and/or carrier and liquid filler and/or carrier.Wherein, solid is filled out
Material and/or carrier can be selected：In kaolin, attapulgite, diatomite, white carbon, bentonite, montmorillonite, calcium carbonate one
Plant or various.Liquid filler and/or carrier can be from one or more in water, soybean oil, castor oil, mineral oil.
In very particularly preferred embodiment of the invention, the sulfonylurea herbicide is halosulfuronmethyl, and by described group
Compound is prepared into suspending agent, and its formula composition is (weight %)：
Halosulfuronmethyl 10%, NF-100 4%, sodium lignin sulfonate 6%, trisiloxanes APEO 6%, silicic acid
Magnalium 4%, propane diols 4%, silicone 0.5%, water complements to 100%.
Another aspect of the present invention is related to the invention described above composition or the invention described above herbicide for preventing and treating agricultural weed
Purposes.
Wherein described weeds are including grassy weed, broad leaved weed, nutgrass flatsedge etc..
Specifically, the specific agricultural weed that the present composition and/or herbicide can be prevented and treated is included but is not limited to：Lady's-grass,
Green bristlegrass, small lamb's-quarters, concave head amaranth, barnyard grass, dayflower, difformed galingale herb, needle spikesedge herb, mexicana, moleplant seed, cyperus iria, Herba Cyperi Glomerati,
Monochoria vaginalis, three-coloured amaranth, thorn amaranth, chickweed, Amaranthus retroflexus, Descurainia sophia, amur foxtail, Veronica, corn gromwell, conical silene herb, purslane, Tian Xuan
Flower, acalypha copperleaf, the rhizome of nutgrass flatsedge, lamb's-quarters, small lamb's-quarters, piemarker, clearvers, wild oat, lamb's-quarters etc..The present composition and/or herbicide are preferred
For preventing and treating chickweed and Amaranthus retroflexus.
The amount of application of composition of the invention or herbicide be such as 0.1-1000g ai./ha, preferably 1-200g ai./
ha。
Another aspect of the present invention is related to agricultural synergist NF-100 for increasing the herbicide effect of sulfonylurea herbicide
Purposes.
The weight ratio of the agricultural synergist NF-100 and sulfonylurea herbicide is 1: 0.1-10, preferably 1: 0.5-5, more
It is preferred that 1: 1-4, more preferably 1: 2.5.
The sulfonylurea herbicide is selected from tribenuron-methyl, bensulfuron-methyl, halosulfuronmethyl, promazine Sulfometuron Methyl, the phonetic sulphur of piperazine pyrrole
One or more in grand, metsulfuron-methyl, rimsulfuron.It is highly preferred that the sulfonylurea herbicide is selected from halosulfuronmethyl, third
One or more in piperazine Sulfometuron Methyl, piperazine pyrazosulfuron.Most preferably, the sulfonylurea herbicide be selected from halosulfuronmethyl and
Rimsulfuron.
Various raw materials used herein and/or reagent are commercially available.Such as described sulfonylurea herbicide and each
Plant auxiliary agent, carrier can easily commercially.The synergist NF-10 is also commercially available, for example, can be purchased from
Promise agriculture Beijing International Biotechnology Co., Ltd etc..
Unless otherwise indicated, " % " involved in the present invention is " percentage by weight ".
Synergist of the invention significantly increases the herbicide effect of sulfonylurea herbicide, reduces pesticide activity component
Usage amount, has delayed the development of pesticide resistance, while being conducive to environmental protection, promotes agricultural sustainable development.
Specific embodiment
The present invention is further described with reference to specific embodiment, but does not limit the invention to these tools
Body implementation method.One skilled in the art would recognize that present invention encompasses being potentially included in Claims scope
All alternatives, improvement project and equivalents.
NF-100 used by following embodiments is purchased from promise agriculture Beijing International Biotechnology Co., Ltd.Unless otherwise indicated,
Involved " % " is " percentage by weight ".
(1) preparation prepares embodiment
The suspending agent of preparation example 1
Halosulfuronmethyl 10%, NF-100 4%, sodium lignin sulfonate 6%, trisiloxanes APEO 6%, silicic acid
Magnalium 4%, propane diols 4%, silicone 0.5%, water complements to 100%.
Its preparation method is：Active ingredient and various auxiliary agents are mixed with water, is sanded through high speed shear dispersion, sand mill
Afterwards, high dispersive, the suspension system of stabilization are formed, suspending agent is obtained.
The suspending agent of preparation example 2
Rimsulfuron 20%, NF-100 3%, polyoxyethylene alkylaryl ether 8%, calcium dodecyl benzene sulfonate 6%, silicon
Sour magnalium 5%, ethylene glycol 5%, silicone 1%, water complements to 100%.
Its preparation method is：Active ingredient and various auxiliary agents are mixed with water, is sanded through high speed shear dispersion, sand mill
Afterwards, high dispersive, the suspension system of stabilization are formed, suspending agent is obtained.
The water dispersible granules of preparation example 3
Halosulfuronmethyl 40%, NF-100 8%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 12%, trisiloxanes APEO
8%, ammonium sulfate 6%, gelatin 5%, bentonite complements to 100%.
Its preparation method is：Each component is well mixed, size-reduced, granulation is obtained water dispersible granules.
The water dispersible granules of preparation example 4
Rimsulfuron 40%, NF-100 6%, polyoxyethylene lanolin alcohol 9%, lauryl sodium sulfate 9%, magnesium chloride
5%, Arabic gum 6%, kaolin complements to 100%.
Its each method processed is：Each component is well mixed, size-reduced, granulation is obtained water dispersible granules.
The wettable powder of preparation example 5
Rimsulfuron 30%, NF-100 3%, AEO 7%, sodium N-lauroyl sarcosinate 7% is concavo-convex
Rod soil complements to 100%.
Its preparation method is：Each component is mixed, ground, crushing is obtained wettable powder.
The wettable powder of preparation example 6
Halosulfuronmethyl 15%, NF-100 15%, APES formaldehyde condensation product 6%, triphenoethyl benzene phenol
APEO 6%, diatomite complements to 100%.
Its preparation method is：Each component is mixed, ground, crushing is obtained wettable powder.
The suspending agent of comparative example 1
It is formulated relative to embodiment 1, NF-100 is replaced with the organosilicon auxiliary agent Silwet408 of equivalent, remaining composition is same, tool
Body is：
Halosulfuronmethyl 10%, Silwet408 4%, sodium lignin sulfonate 6%, trisiloxanes APEO 6%, silicon
Sour magnalium 4%, propane diols 4%, silicone 0.5%, water complements to 100%.
Its each method processed is：Active ingredient and various auxiliary agents are mixed with water, is sanded through high speed shear dispersion, sand mill
Afterwards, high dispersive, the suspension system of stabilization are formed, suspending agent is obtained.
The water dispersible granules of comparative example 2
It is formulated relative to embodiment 4, NF-100 is replaced with the organosilicon auxiliary agent Silwet408 of equivalent, remaining composition is same, tool
Body is：
Rimsulfuron 40%, Silwet408 6%, polyoxyethylene lanolin alcohol 9%, lauryl sodium sulfate 9%, chlorination
Magnesium 5%, Arabic gum 6%, kaolin complements to 100%.
Its preparation method is：Each component is well mixed, size-reduced, granulation is obtained water dispersible granules.
(2) indoor biological experiment
For examination weeds：Chickweed
Test method：Activity of weeding of the invention is by the way that " NY/T 1155.4-2006 farm-chemical indoor determinations are tested accurate
Then herbicide Part IV：Active determination test cauline leaf spray-on process " is measured.
Each treatment agent in following table is made into the mother liquor of 1000mg/L, the appropriate Tween 80 aqueous solution with 1% is then taken and is matched somebody with somebody
Series concentration is made, it is standby.
In the built-in quantitative soil of nutritive cube, will be seeded in nutritive cube for 15-20, target weeds seed of examination, seed overlying
The soil of about 0.5cm.In the 4-6 leaf phases of weeds, spraying treatment is carried out respectively from low to high according to compound concentration to each treatment, per alms bowl
Spraying liquid 2ml, often process 4 repetitions, and set the 1% Tween 80 aqueous solution and the 1%NF-100 aqueous solution treatment do blank.
After greenhouse cellar culture is moved into after weeds leaf surface liquid natural air drying, periodically water.Investigate each treatment fresh weight within 20 days after treatment
Preventive effect, calculates EC50Value and synergy ratio：
E：Fresh weight preventive effect；
C：Control weeds aerial part fresh weight；
T：Treatment weeds aerial part fresh weight；
The computational methods of synergy ratio are：Synergy ratio=EC50A agricultural chemicals/EC50A agricultural chemicals+NF-100
Result is as follows：
| Sequence number | Treatment agent | Synergy ratio | |
| 1-0 | Halosulfuronmethyl | 7.55 | - |
| 1-1 | Halosulfuronmethyl: NF-100=1: 1 | 5.35 | 1.41 |
| 1-2 | Halosulfuronmethyl: NF-100=2.5: 1 | 3.88 | 1.95 |
| 1-3 | Halosulfuronmethyl: NF-100=5: 1 | 4.85 | 1.56 |
| 1-4 | Halosulfuronmethyl: NF-100=10: 1 | 5.03 | 1.50 |
| 2-0 | Rimsulfuron | 9.32 | - |
| 2-1 | Rimsulfuron: NF-100=1: 1 | 7.78 | 1.20 |
| 2-2 | Rimsulfuron: NF-100=2.5: 1 | 6.05 | 1.54 |
| 2-3 | Rimsulfuron: NF-100=5: 1 | 6.25 | 1.49 |
| 2-4 | Rimsulfuron: NF-100=10: 1 | 6.77 | 1.38 |
| 3-0 | Oxyfluorfen | 14.52 | - |
| 3-1 | Oxyfluorfen: NF-100=1: 1 | 14.23 | 1.02 |
| 3-2 | Oxyfluorfen: NF-100=2.5: 1 | 14.05 | 1.03 |
| 3-3 | Oxyfluorfen: NF-100=5: 1 | 14.78 | 0.98 |
| 3-4 | Oxyfluorfen: NF-100=10: 1 | 14.59 | 1.00 |
| Blank | 1%NF-100 | - | - |
| Blank | 1% Tween 80 | - | - |
Above-mentioned data are not difficult to find out that NF-100 can substantially increase sulfonylurea herbicide halosulfuronmethyl and rimsulfuron
Herbicide effect, reduce its EC50Value, i.e. NF-100 can increase the herbicide effect of sulfonylurea herbicide, be synergy.But
For Oxyfluorfen, the addition of NF-100 is on herbicide effect almost without influence, that is to say, that NF-100 is to ethoxy fluorine grass
It is hardly synergy for ether.
(3) field test
Test medicine：Embodiment of the present invention 1-6 preparations and comparative example 1-2 preparations
For studying thing：Corn
Prevent and kill off object：Chickweed, Amaranthus retroflexus etc.
Experiment selection corn field is carried out, and main weeds are expected in field includes chickweed, Amaranthus retroflexus etc..Small zoning is carried out first
Point, plot area 50m2.Then, sprayed using invention formulation and Comparative formulation in the corn 2-4 leaf phases, every mu of injection flow rate is
20kg, often processes 3 repetitions, respectively repeatedly random alignment, and sets clear water and be processed as blank.Respectively with spraying after 45d and 90d
Investigate Weed-control effect (each repeat average) of the region compared with control zone, as a result see the table below.
Table of field test results is bright, and the field efficacy of the present composition is substantially better than contrast agents, it is seen that add NF-
After 100, hence it is evident that prevention effect of the present composition that increased to weeds in field.
Examples detailed above is only to be explained further to of the invention, is not limitation of the invention, by by above-mentioned side
Case carries out simply adjusting the scheme obtained from, equally within the protection domain of the application.
Claims (6)
1. the composition of a kind of agricultural synergist and sulfonylurea herbicide, comprising agricultural synergist and one or more sulfonylureas
Class herbicide, wherein, the agricultural synergist is NF-100, and the sulfonylurea herbicide is selected from halosulfuronmethyl or the phonetic sulphur of sulfone
It is grand；And the agricultural synergist and the weight ratio of sulfonylurea herbicide are 1: 1-10.
2. a kind of herbicide, it is characterised in that the herbicide contains the composition described in the claim 1 of 1-80 weight %,
Acceptable carrier and auxiliary agent on balance of agricultural chemicals.
3. herbicide according to claim 2, it is characterised in that the right that the herbicide contains 10-60 weight % will
Seek the composition described in 1.
4. the herbicide according to Claims 2 or 3, it is characterised in that the herbicide formulation is into suspending agent, wettable powder
Agent or water dispersible granules.
5. the herbicide described in composition described in claim 1 or claim any one of 2-4 is used to prevent and treat agricultural weed
Purposes.
6. a kind of agricultural synergist is used for the purposes of the herbicide effect for increasing sulfonylurea herbicide, it is characterised in that the agriculture
It is NF-100 with synergist, the sulfonylurea herbicide is selected from halosulfuronmethyl or rimsulfuron.
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| CN107011081B (en) * | 2017-03-08 | 2021-04-27 | 叶长东 | Slow-release pesticide-fertilizer composition |
| CN112493250A (en) * | 2020-10-23 | 2021-03-16 | 湖南顺新龙辰生物工程有限公司 | Compound herbicide |
| CN113207895B (en) * | 2021-05-08 | 2022-05-03 | 涿州拜奥威生物科技有限公司 | Herbicide composition |
| CN115590021A (en) * | 2022-09-14 | 2023-01-13 | 中国水稻研究所（Cn） | Herbicide synergistic composition and application thereof in weed prevention and control |
| CN115633690A (en) * | 2022-09-22 | 2023-01-24 | 中国水稻研究所 | Herbicide for weed control and plant protection and time-accurate control method |
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|---|---|---|---|---|
| CN1154795A (en) * | 1996-01-18 | 1997-07-23 | 化学工业部沈阳化工研究院 | Weedicide mixture of sulfonylurea |
| CN102783501A (en) * | 2012-08-16 | 2012-11-21 | 叶长东 | Composition containing ametryn, 2-methyl-4-chloro sodium and sulfonylurea herbicide |
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