CN102428941A - Compound weedicide and preparation method thereof - Google Patents
Compound weedicide and preparation method thereof Download PDFInfo
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- CN102428941A CN102428941A CN2011103517622A CN201110351762A CN102428941A CN 102428941 A CN102428941 A CN 102428941A CN 2011103517622 A CN2011103517622 A CN 2011103517622A CN 201110351762 A CN201110351762 A CN 201110351762A CN 102428941 A CN102428941 A CN 102428941A
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Abstract
The invention discloses a compound weedicide which comprises the following components in percentage by mass: 0.5-20% of nicosulfuron, 5-50% of atrazine, 0.5-20% of amicarbazone, 5-20% of auxiliaries and 5-80% of solvent or carrier. A preparation method comprises the following steps of: absorbing amicarbazone with white carbon black, mixing with nicosulfuron, atrazine and the auxiliaries; and then performing jet milling to obtain a wettable powder product. The invention has the beneficial effects that after nicosulfuron, atrazine and amicarbazone are compounded, the advantages are complemented, the weed killing spectrum is widened, the weed killing effect and the weed killing speed are increased, and the compound weedicide also shows obvious synergism and especially has good control effect on worst weeds difficult to control; and meanwhile, the compound weedicide has good safety on corns and aftercrop.
Description
Technical field
The present invention relates to a kind of weed killer herbicide, particularly a kind of nicosulfuron, atrazine and azoles humulone compound herbicide and preparation method thereof of containing.
Background technology
Over past ten years, China's corn field chemical weed control development is very fast, and area is increasing, and the weed killer herbicide kind is more and more, and collocation more becomes reasonable.Up to the present, corn field herbicide has only developed into tens kinds more than with single agent before the seedling, does not comprise that also cauline leaf handles single agent and various mixture.Wherein relatively more commonly used is alachlor, Acetochlor, isopropyl methoxalamine, atrazine, metribuzin, 2; 4-d butyl ester etc. and mixture thereof; Particularly Acetochlor, atrazine and atrazine plus acetochlar developed rapidly in recent years, had become the leading products of the preceding weeding of corn field seedling, therefore had a lot of producers to produce atrazine plus acetochlar one after another; And the ratio that the peasant also equates in both commodity amounts in practical application is mixed existing usefulness at present, and these all provide very big development space for the corn field chemical weed control.And both are mixed mutually, singly are not to kill the complementation of grass spectrum, the more important thing is reduction atrazine consumption, reduce its residual and phreatic pollution to environment.
But this type weed killer herbicide is the preceding soil treatment type medicament of seedling, and its herbicidal effect and soil moisture are in close relations, and soil moisture content is bad, and its preventive effect is also had a greatly reduced quality; And ten spring nine of the weather drought of China; Particularly accounting for 32% sowing area spring corn main producing region, whole nation the Liao Dynasty, lucky, black and Inner Mongol spring drought is even more serious; Annual spring drought makes this type weed killer herbicide reduce more than 15% the preventive effect of weeds, and does not comprise the loss of medicament input.
Summary of the invention
In order to solve the problem that present corn field herbicide herbicidal effect decline, weeds pesticide resistance and weed community succession increase the weight of year by year, the embodiment of the invention provides a kind of compound herbicide that is used for safety, efficient weeding and preparation method thereof.
In order to realize the foregoing invention purpose, the invention provides a kind of compound herbicide, said compound herbicide comprises the component of following mass fraction: nicosulfuron 0.5%-20%; Atrazine 5%-50%; Azoles humulone 0.5%-20%, auxiliary agent 5%-20%, solvent or carrier 5%-80%.
Various components and mass fraction thereof can also be preferably in the said compound herbicide: nicosulfuron 0.5%-8%, atrazine 5%-20%, azoles humulone 0.5%-10%, auxiliary agent 5%-10%, solvent or carrier 50%-80%.
Various components and mass fraction thereof can be preferably again in the said compound herbicide: nicosulfuron 5%-15%, atrazine 15%-35%, azoles humulone 5%-10%, auxiliary agent 8%-15%, solvent or carrier 20%-40%.
Various components and mass fraction thereof can also be preferably in the said compound herbicide: nicosulfuron 10%-20%, atrazine 30%-40%, azoles humulone 10%-20%, auxiliary agent 10%-20%, solvent or carrier 5%-40%.
Various components and mass fraction thereof can be preferably again in the said compound herbicide: nicosulfuron 1%-15%, atrazine 10%-50%, azoles humulone 0.5%-15%, auxiliary agent 7%-19%, solvent or carrier 20%-60%.
Various components and mass fraction thereof can also be preferably in the said compound herbicide: nicosulfuron 2%-10%, atrazine 15%-40%, azoles humulone 1.5%-10%, auxiliary agent 10%-15%, solvent or carrier 30 as one kind %-50%.
In the above-mentioned prescription, the total amount of said nicosulfuron, said atrazine and said azoles humulone is the 10%-80% of said compound herbicide total amount; Be preferably: 20%-60%.
Said auxiliary agent is one or more in emulsifier, synergist, stabilizing agent, dispersant, wetting agent, bleeding agent, antifreezing agent and the spreader-sticker.
Said solvent is one or both in toluene, xylol, methyl-sulfoxide, acetone, DMF, butanone, cyclohexanone, pyrrolidones, methyl alcohol, isopropyl alcohol, butanols, ethylene glycol, ethyl acetate, butyl acetate, acetonitrile, oxolane, machine oil, vegetable oil and the methyl oleate.
Said carrier is one or more in water, bentonite, diatomite, kaolin, talcum, clay, mica, zeolite, pyrophillite, white carbon and the precipitated calcium carbonate.
Emulsifier is the monomer or the complex preparation of nonionic, cation or anion surfactant; Wherein non-ionic surface active agent is one or more in APES, alkyl phenol polyethenoxy ether, benzylphenol APEO, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid oxirane ester and the sorbitan fatty acid ester; Cationic surfactant is one or more in fatty amine salt, fat primary amine salt and the fatty primary secondary amine salt; Anion surfactant is one or more in sodium alkyl sulfate, alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, AEO calcium sulphate, phenethyl phenol polyethenoxy ether sulfate and the alkyl polyoxyethylene ether phosphate.
Said synergist is for methylating or ethylating vegetable oil, and said bleeding agent is one or more in azone, thiophene ketone and the organosilicon.Wherein, the mass fraction of said synergist is preferably 0.5%-5%.
Said dispersant is preferably polycarboxylate.
But said compound herbicide can be processed as dispersible granule, oil-suspending agent or wetting powder.
In order better to realize the foregoing invention purpose, the present invention also provides the preparation method of compound herbicide,
The preparation method of its wetting powder comprises: mix with nicosulfuron, atrazine, auxiliary agent and carrier after the azoles humulone is adsorbed with white carbon again, promptly get the wetting powder product through comminution by gas stream then.
But the preparation method of its dispersible granule comprises: mix with nicosulfuron, atrazine, auxiliary agent and carrier after the azoles humulone is adsorbed with white carbon, then through comminution by gas stream, but granulation promptly gets the dispersible granule product more again.
The preparation method of its oil-suspending agent comprises: nicosulfuron, atrazine, auxiliary agent and solvent to together, are promptly got nicosulfuron, atrazine oil-suspending agent behind process ball milling, the sand milling; Azoles humulone, solvent and auxiliary agent are added in the preparation still, stir and promptly get azoles humulone missible oil; Then nicosulfuron, atrazine oil-suspending agent and balance solvent are added in the preparation still, promptly get the oil-suspending agent finished product after stirring.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: after nicosulfuron, atrazine and azoles humulone are composite; Can have complementary advantages, enlarge and kill the grass spectrum, improve careless effect and the weeding speed of killing; Also show obvious synergistic effect, especially good to the malignant weed preventive effect that is difficult to prevent and kill off; This herbicidal composition is good to corn and succession crop safety simultaneously.Active ingredient azoles humulone of the present invention is very good to the broad leaved weed preventive effect; Nicosulfuron is prevented and kill off the grassy weed better effects if, and is poor to the broad leaved weed effect; Atrazine promptly can use behind the seedling, also can prevent and kill off the weeds of not being unearthed.After being mixed, having enlarged and killed the grass spectrum, a dispenser can be prevented and kill off broad-leaved and grassy weed simultaneously, and can prevent and kill off the weeds of not being unearthed, and increases the lasting period, has strengthened herbicidal effect; Herbicidal composition of the present invention is degraded easily, to corn safety, has no side effect; Residual life, lack in soil, to succession crop safety; Each active ingredient effect characteristic is different, and weeds are not easy to develop immunity to drugs, and kills the grass spectrum owing to enlarged, and is anti-except the most weeds in field, also delays and controls the pesticide resistance of weeds and the succession of field weed community.
Embodiment
To the problem of traditional weed killer herbicide, the invention provides good compound herbicide of a kind of control efficiency and preparation method thereof to corn field weed control efficiency difference.
Embodiment 1
A kind of compound herbicide comprises the component of following mass fraction: nicosulfuron 3.5%, atrazine 20%, azoles humulone 1.5%, emulsifier 9%, solvent 66%.
Wherein, auxiliary agent is an emulsifier, and emulsifier comprises the component of following mass fraction (accounting for gross mass): S-40 5%, T-80 2%, farming breast 606 1% and agricultural newborn 500# 1%; Solvent is a methyl oleate.
Present embodiment also provides a kind of preparation method of compound herbicide; Its preparation method comprises: prepare raw material according to above-mentioned percentage by weight; Nicosulfuron, atrazine, auxiliary agent and solvent to together, are promptly got nicosulfuron, atrazine oil-suspending agent behind process ball milling, the sand milling; Azoles humulone, solvent and auxiliary agent are added in the preparation still, stir and promptly get azoles humulone missible oil; Then nicosulfuron, atrazine oil-suspending agent and balance solvent are added in the preparation still, promptly get 25% oil-suspending agent finished product after stirring.
Embodiment 2
A kind of compound herbicide comprises the component of following mass fraction: nicosulfuron 8%, atrazine 29%, azoles humulone 7%, auxiliary agent 12%, carrier 44%.
Wherein, auxiliary agent comprises dispersant 8% and emulsifier 4%, and dispersant is a naphthalene sulfonate, and emulsifier is anion surfactant K-12; Carrier is white black wood charcoal 6% and kaolin 38%.
Present embodiment also provides a kind of preparation method of compound herbicide; Its preparation method comprises: prepare raw material according to above-mentioned percentage by weight; The azoles humulone is mixed with nicosulfuron, atrazine, auxiliary agent and carrier with after the white carbon absorption again, promptly get 44% wetting powder product through comminution by gas stream then.
Embodiment 3
A kind of compound herbicide comprises the component of following mass fraction: nicosulfuron 10%, atrazine 30%, azoles humulone 7%, auxiliary agent 15%, carrier 38%.
Wherein, auxiliary agent comprises dispersant 11% and emulsifier 4%, and dispersant is a polycarboxylate, and emulsifier is anion surfactant K-12; Carrier is white black wood charcoal 8% and kaolin 30%.
Present embodiment also provides a kind of preparation method of compound herbicide; Its preparation method comprises: mix with nicosulfuron, atrazine, auxiliary agent and carrier after the azoles humulone is adsorbed with white carbon again; Then through comminution by gas stream, but granulation promptly gets 47% dispersible granule product again.
Embodiment 4
A kind of compound herbicide comprises the component of following mass fraction: nicosulfuron 15%, atrazine 35%, azoles humulone 15%, auxiliary agent 13%, carrier 22%.
Wherein, auxiliary agent comprises dispersant 9% and emulsifier 4%, and dispersant is a naphthalene sulfonate, and emulsifier is anion surfactant K-12; Carrier is white black wood charcoal 7% and kaolin 15%.
Present embodiment also provides a kind of preparation method of compound herbicide; Its preparation method comprises: prepare raw material according to above-mentioned percentage by weight; The azoles humulone is mixed with nicosulfuron, atrazine, auxiliary agent and carrier with after the white carbon absorption again, promptly get 65% wetting powder product through comminution by gas stream then.
Comparative trial
Choose seven experimental field, the corn growing way of experimental field is all good and do not have other damage by disease and insect.
Respectively according to compound herbicide (embodiment group 1-4), the 40 grams per liter nicosulfuron oil-suspending agents (control group 1) of embodiment of the invention 1-4; 50% atrazine suspending agent (control group 2); 40% azoles humulone water dispersible granules (control group 3); Sprayed in the experimental field, the situation that drug effect and activity of weeding are observed in 7 days and 14 days behind medicine respectively, the result is shown in table 1 and 2; In 1-15 days, observe the growing state of crop, to investigate medicament whether crop is had poisoning, the result is as shown in table 3.
Prevent and kill off object and choose Amaranthus retroflexus, lady's-grass, barnyard grass grass and Herba portulacae, wherein, Amaranthus retroflexus and Herba portulacae are broad leaved weed, and lady's-grass and barnyard grass grass are grassy weeds.
Table 1: 7 days drug effect tables of comparisons behind the medicine
Table 2: 14 days drug effect tables of comparisons behind the medicine
Can know from the data of table 1 and table 2: the compound herbicide of the present invention that obtains after composite; Not only have complementary advantages, enlarge and kill the grass spectrum, grass family and broad leaved weed kill entirely; But also improved whole preventive effect; Drug effect performance is also than comparatively fast, and the drug effect of medication after 7 days and 14 days do not have difference basically, explains that herbicidal activity by force and show obvious synergistic effect.
Table 3: the pharmacy security property table of comparisons
Can know from the data of table 3: use compound herbicide of the present invention, the corn growing way is all good, and safety is superior to the safety of each single agent, explains that compound herbicide is safe and harmless to corn, and good to corn and succession crop safety.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a compound herbicide is characterized in that, said compound herbicide comprises the component of following mass fraction: nicosulfuron 0.5%-20%, atrazine 5%-50%, azoles humulone 0.5%-20%, auxiliary agent 5%-20%, solvent or carrier 5%-80%.
2. compound herbicide according to claim 1 is characterized in that, the total amount of said nicosulfuron, said atrazine and said azoles humulone is the 10%-80% of said compound herbicide total amount.
3. compound herbicide according to claim 1 and 2 is characterized in that, said auxiliary agent is one or more in emulsifier, synergist, stabilizing agent, dispersant, wetting agent, bleeding agent, antifreezing agent and the spreader-sticker.
4. compound herbicide according to claim 1 and 2; It is characterized in that said solvent is one or both in toluene, xylol, methyl-sulfoxide, acetone, DMF, butanone, cyclohexanone, pyrrolidones, methyl alcohol, isopropyl alcohol, butanols, ethylene glycol, ethyl acetate, butyl acetate, acetonitrile, oxolane, machine oil, vegetable oil and the methyl oleate.
5. compound herbicide according to claim 1 and 2 is characterized in that, said carrier is one or more in water, bentonite, diatomite, kaolin, talcum, clay, mica, zeolite, pyrophillite, white carbon and the precipitated calcium carbonate.
6. compound herbicide according to claim 3 is characterized in that, said emulsifier is the monomer or the complex preparation of nonionic, cation or anion surfactant;
Wherein non-ionic surface active agent is one or more in APES, alkyl phenol polyethenoxy ether, benzylphenol APEO, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid oxirane ester and the sorbitan fatty acid ester;
Cationic surfactant is one or more in fatty amine salt, fat primary amine salt and the fatty primary secondary amine salt;
Anion surfactant is one or more in alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, AEO calcium sulphate, phenethyl phenol polyethenoxy ether sulfate and the alkyl polyoxyethylene ether phosphate.
7. compound herbicide according to claim 3 is characterized in that, said synergist is for methylating or ethylating vegetable oil, and said bleeding agent is one or more in azone, thiophene ketone and the organosilicon.
8. according to the preparation method of the arbitrary described compound herbicide of claim 1-7; It is characterized in that; Said preparation method comprises: mix with nicosulfuron, atrazine, auxiliary agent and carrier after the azoles humulone is adsorbed with white carbon again, promptly get the wetting powder product through comminution by gas stream then.
9. according to the preparation method of the arbitrary described compound herbicide of claim 1-7; It is characterized in that; Said preparation method comprises: mix with nicosulfuron, atrazine, auxiliary agent and carrier after the azoles humulone is adsorbed with white carbon, then through comminution by gas stream, but granulation promptly gets the dispersible granule product more again.
10. according to the preparation method of the arbitrary described compound herbicide of claim 1-7; It is characterized in that; Said preparation method comprises: nicosulfuron, atrazine, auxiliary agent and solvent to together, are promptly got nicosulfuron, atrazine oil-suspending agent behind process ball milling, the sand milling; Azoles humulone, solvent and auxiliary agent are added in the preparation still, stir and promptly get azoles humulone missible oil; Then nicosulfuron, atrazine oil-suspending agent and balance solvent are added in the preparation still, promptly get the oil-suspending agent finished product after stirring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110351762 CN102428941B (en) | 2011-11-09 | 2011-11-09 | Compound weedicide and preparation method thereof |
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| CN 201110351762 CN102428941B (en) | 2011-11-09 | 2011-11-09 | Compound weedicide and preparation method thereof |
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| CN102428941A true CN102428941A (en) | 2012-05-02 |
| CN102428941B CN102428941B (en) | 2013-08-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145950A (en) * | 2014-07-21 | 2014-11-19 | 浙江省诸暨合力化学对外贸易有限公司 | Novel carfentrazone-ethyl missible oil and preparation method thereof |
| EP3125693A4 (en) * | 2014-03-31 | 2017-08-16 | FMC Corporation | Methods for selectively controlling plants using compositions containing photosystem ii inhibitors and protoporphyrinogen oxidase inhibitors |
| CN114449894A (en) * | 2019-08-06 | 2022-05-06 | Upl巴西工业和农业股份公司 | Herbicide combinations |
| CN114732024A (en) * | 2021-01-07 | 2022-07-12 | 河北农业大学 | Corn field herbicide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19859224A1 (en) * | 1998-12-21 | 1999-05-06 | Novartis Ag | Synergistic herbicidal composition for selective weed control |
| CN101617675A (en) * | 2008-07-02 | 2010-01-06 | 山东滨农科技有限公司 | Herbicide composition |
| WO2010095151A2 (en) * | 2009-02-20 | 2010-08-26 | Deepak Pranjivandas Shah | A novel water dispersible granular composition |
-
2011
- 2011-11-09 CN CN 201110351762 patent/CN102428941B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19859224A1 (en) * | 1998-12-21 | 1999-05-06 | Novartis Ag | Synergistic herbicidal composition for selective weed control |
| CN101617675A (en) * | 2008-07-02 | 2010-01-06 | 山东滨农科技有限公司 | Herbicide composition |
| WO2010095151A2 (en) * | 2009-02-20 | 2010-08-26 | Deepak Pranjivandas Shah | A novel water dispersible granular composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3125693A4 (en) * | 2014-03-31 | 2017-08-16 | FMC Corporation | Methods for selectively controlling plants using compositions containing photosystem ii inhibitors and protoporphyrinogen oxidase inhibitors |
| AU2015241224B2 (en) * | 2014-03-31 | 2018-01-25 | Fmc Corporation | Methods for selectively controlling plants using compositions containing photosystem II inhibitors and protoporphyrinogen oxidase inhibitors |
| CN104145950A (en) * | 2014-07-21 | 2014-11-19 | 浙江省诸暨合力化学对外贸易有限公司 | Novel carfentrazone-ethyl missible oil and preparation method thereof |
| CN114449894A (en) * | 2019-08-06 | 2022-05-06 | Upl巴西工业和农业股份公司 | Herbicide combinations |
| CN114732024A (en) * | 2021-01-07 | 2022-07-12 | 河北农业大学 | Corn field herbicide |
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| CN102428941B (en) | 2013-08-21 |
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Denomination of invention: The invention relates to a compound herbicide and a preparation method thereof Effective date of registration: 20211118 Granted publication date: 20130821 Pledgee: Shandong Shengli Co.,Ltd. Pledgor: Shandong Vicome Greenland Chemical Co.,Ltd. Registration number: Y2021980012660 |
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