CN1425298A - Herbicide composition of nicosulfuron and atrazine - Google Patents
Herbicide composition of nicosulfuron and atrazine Download PDFInfo
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- CN1425298A CN1425298A CN 01140290 CN01140290A CN1425298A CN 1425298 A CN1425298 A CN 1425298A CN 01140290 CN01140290 CN 01140290 CN 01140290 A CN01140290 A CN 01140290A CN 1425298 A CN1425298 A CN 1425298A
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Abstract
The herbicide composite of the present invention contains one compound A and another compound to constitute oil suspension. The compound A is nicosulfuron and is named chemically 2-(4,6-methoxypyrimidyl-2-amino formyl chloro sulfuryl)-N,N-dimethyl nicotinamide. The compound B is atrazine and is named chemically 2-chloro-4-ethylamino-6-isopropyl amino-1,3,5-triazine.
Description
The present invention relates to the oil-suspending agent herbicidal composition that nicosulfuron and atrazine are formed.
At present, corn field herbicide mainly is based on closed soil, and herbicide after seedling is very few.Corn field is used Acetochlor, isopropyl methoxalamine, bladex, alachlor, Pendimethalin and general Ah etc. of complex preparation second Ah, always and is carried out the preceding closed soil treatment of seedling, its herbicidal effect and soil moisture are in close relations, soil moisture content is bad, its preventive effect is just had a greatly reduced quality, and ten spring nine of the weather drought of China, spring drought has reduced more than 15% the preventive effect of this class medicament, and nicosulfuron is a herbicides special behind the corn field seedling, grassy weed in the corn field and part broad leaved weed there are significant preventive effect, good to the corn safety.Because nicosulfuron is mainly active high to grassy weed, only good to part broad leaved weed activity, if be re-dubbed oil-suspending agent with atrazine herbicidal again, they can enlarge kill the grass spectrum, improve herbicidal effect, reduce residual activity, reduce poisoning, delay the drug-fast generation of weeds and the succession of community crop, the reduction dosage, reduce environmental pollution; Laborsaving simultaneously, economical, reduce farmer's burdens.
The formulation of said composition is an oil-suspending agent, herbicidal effect through field control effectiveness test proof oil-suspending agent is better than aqueous suspension agent, aqua, particularly mineral oils shows the synergistic effect Temin of this composition, can reduce former medicine content, reduces former medicine cost greatly.Because the primary solvent of oil-suspending agent is an oils, can save organic solvent in a large number, reduce environmental pollution is the environmental protection formulation.The toxicity of oil-suspending agent is lower than the toxicity of wetting powder, pulvis, granule.Nicosulfuron is made aqua or aqueous suspension agent poor stability.Therefore, the said composition most preferred dosage form is an oil-suspending agent.
The mechanism of action difference of two kinds of compositions of composition of the present invention, it is different to kill the grass spectrum, synergy mutually between them, the pesticide resistance of weeds reduces, so the herbicidal effect of composition is obviously high slightly or the suitable herbicidal effect of single time spent of each component, enlarges and kills the grass spectrum.
The preparation of composition of the present invention is an oil-suspending agent.
Composition of the present invention is mainly used in corn field, mainly prevents and kill off upland field weeds such as lady's-grass, green foxtail, wild oat, salsola collina, Amaranthus retroflexus, acalypha copperleaf, kitchen garden, black nightshade, multitude, Siberian cocklebur, meadow pine, chickweed.
Nicosulfuron and atrazine weeding ratio are 1: 160 to 80: 1 based on the parts by weight of active component in the present composition, optimal proportion 1: 40 to 40: 1.
Composition of the present invention mainly also comprises oils, and oils is mainly vegetable oil and mineral oil, and mineral oil is as: the machine oil of various models, diesel oil, lubricated wet goods; Vegetable oil is as soybean oil, levant cotton oil, peanut wet goods.The parts by weight of its shared composition are 0.5%～95%.
Composition of the present invention can also comprise emulsifier, solvent, auxiliary agent etc., and the parts by weight of its shared composition are 0.5%～95%.
Composition of the present invention also will add surface reactive materials such as emulsifier, dispersant, wetting agent, to increase stability, wetability, the permeability of composition.
The product that the present invention describes can be the finished product preparation form, and promptly material mixes in the product.Yet the composition of composition also can provide with preparation separately, directly mixes in jar before use.
Composition of the present invention can use by common method, as spraying.
The present composition can illustrate with following embodiment:
The preparation of embodiment 1 22.5% oil-suspending agent
Nicosulfuron 2.5% (weight)
Atrazine 20% (weight)
Emulsifier 10% (weight)
Surfactant 20% (weight)
Oils 47.5% (weight)
Various components are mixed, in sand mill, be ground to the active ingredient particle diameter less than 3 μ m.
The preparation of embodiment 2 22% oil-suspending agents
Nicosulfuron 2% (weight)
Atrazine 20% (weight)
Emulsifier 15% (weight)
Surfactant 15% (weight)
Oils 48% (weight)
Various components are mixed, in sand mill, be ground to the active ingredient particle diameter less than 3 μ m.
The preparation of embodiment 3 40% oil-suspending agents
Nicosulfuron 4% (weight)
Atrazine 36% (weight)
Emulsifier 15% (weight)
Surfactant 15% (weight)
Oils 30% (weight)
Various components are mixed, in sand mill, be ground to the active ingredient particle diameter less than 3 μ m.
The preparation of embodiment 4 20% oil-suspending agents
Nicosulfuron 2.5% (weight)
Atrazine 27.5% (weight)
Emulsifier 10% (weight)
Surfactant 10% (weight)
Oils 50% (weight)
Various components are mixed, in sand mill, be ground to the active ingredient particle diameter less than 3 μ m.
Embodiment 5 nicosulfurons and atrazine are formed the test of pesticide effectiveness of preparation
The corn 3-4 leaf phase, weeds 2-3 leaf phase dispenser, 30 days investigation strain preventive effect results are as follows behind the medicine
| The medicament title | Consumption (gram/mu) | Lady's-grass | Eleusine indica | The barnyard grass grass | Kitchen garden | Acalypha copperleaf | |||||
| Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | ||
| 4% nicosulfuron suspending agent | ????85 | ??3.0 | ??96.9 | ????1.0 | ??97.2 | ??3.2 | ??94.7 | ??1.9 | ??84.6 | ??1.6 | ??84.8 |
| 40% atrazine suspending agent | ????180 | ??28 | ??70.7 | ????1.2 | ??96.6 | ??3.0 | ??95.1 | ??1.1 | ??91.1 | ??0.55 | ??95.0 |
| 30% cigarette green bristlegrass oil-suspending agent | ????140 | ??1.5 | ??98.4 | ????0.5 | ??98.6 | ??1.25 | ??98.0 | ??1.0 | ??91.9 | ??0.5 | ??95.2 |
| Blank | ????- | ??95.6 | ??- | ????35.7 | ??- | ??60.9 | ??- | ??12.3 | ??- | ??10.5 | ??- |
The result shows: the close sulphur of cigarette grand with atrazine use with suitable with each single agent preventive effect, and to crop safety.
Embodiment 6 nicosulfurons and atrazine are formed the test of pesticide effectiveness of preparation
The corn 3-6 leaf phase, weeds 2-5 leaf phase dispenser, 30 days investigation strain preventive effect results are as follows behind the medicine
| The medicament title | Consumption (gram/mu) | Lady's-grass | The barnyard grass grass | Lamb's-quarters | Knotweed | Black nightshade | |||||
| Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | ||
| 4% nicosulfuron suspending agent | ????90 | ????2.3 | ????97.0 | ????2.4 | ??94.5 | ??8.7 | ??34.8 | ??7.5 | ??29.6 | ??6.7 | ???27.5 |
| 40% atrazine suspending agent | ????180 | ????20 | ????73.8 | ????2.3 | ??94.7 | ??0.5 | ??96.3 | ??0.7 | ??93.4 | ??0.4 | ???95.8 |
| 28% cigarette green bristlegrass oil-suspending agent | ????150 | ????2.1 | ????97.2 | ????1.8 | ??95.9 | ??0.45 | ??96.6 | ??0.6 | ??94.3 | ??0.3 | ???96.8 |
| 28% cigarette green bristlegrass aqueous suspension agent | ????150 | ????1.0 | ????98.6 | ????0.8 | ??98.2 | ??0.2 | ??98.5 | ??0.1 | ??99.1 | ??0.1 | ???98.9 |
| Blank | ????- | ????76.2 | ????- | ????43.5 | ??- | ??13.4 | ??- | ??10.6 | ??- | ??9.3 | ???- |
Test shows: nicosulfuron and atrazine are used with to enlarge and are killed the grass spectrum, improve the preventive effect to broadleaved herb.The herbicidal effect of 28% cigarette green bristlegrass oil suspending agent will be significantly better than the herbicidal effect of 28% cigarette green bristlegrass aqueous suspension agent.
Embodiment 7 nicosulfurons and atrazine are formed the test of pesticide effectiveness of preparation
The corn 3-4 leaf phase, weeds 2-3 leaf phase dispenser, 35 days investigation strain preventive effect results are as follows behind the medicine
| The medicament title | Consumption (gram/mu) | Lady's-grass | Eleusine indica | The barnyard grass grass | Kitchen garden | Acalypha copperleaf | |||||
| Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | Strain/m 2 | Preventive effect (%) | ||
| 4% nicosulfuron suspending agent | ??80 | ??4.4 | ??95.4 | ??0.8 | ??98.5 | ??4.7 | ??93.1 | ??2.1 | ??85.2 | ??1.3 | ??86.7 |
| 40% atrazine suspending agent | ??180 | ??25 | ??74.0 | ??2.3 | ??95.6 | ??2.6 | ??96.1 | ??0.54 | ??96.3 | ??0.7 | ??96.6 |
| 30% cigarette green bristlegrass oil-suspending agent | ??140 | ??0.4 | ??99.6 | ??0.3 | ??99.4 | ??0.88 | ??98.7 | ??0.16 | ??98.9 | ??0.1 | ??98.8 |
| 30% cigarette green bristlegrass aqueous suspension agent | ??140 | ??3.5 | ??96.4 | ??0.7 | ??98.7 | ??2.3 | ??96.6 | ??0.51 | ??96.5 | ??0.3 | ??96.5 |
| Blank | ??- | ??96.3 | ??- | ??52.6 | ??- | ??67.5 | ??- | ??14.5 | ??- | ??9.8 | ??- |
Test shows: nicosulfuron and atrazine are used with to enlarge and are killed the grass spectrum, improve the preventive effect to broadleaved herb.The herbicidal effect of 30% cigarette green bristlegrass oil suspending agent will be significantly better than the herbicidal effect of 30% cigarette green bristlegrass aqueous suspension agent.
Claims (6)
1, a kind of Herbicidal combinations, it contains the oil-suspending agent of a kind of herbicides compounds A and a kind of herbicides compounds B composition,
The Chinese adopted name of compd A is: nicosulfuron; English common name is: nicosulfuron; Chemical name is: 2-(4,6-dimethoxypyridin-2-base carbamyl chloro sulphonyl)-N, N-dimethyl nicotinamide; Chemical constitution is:
The Chinese adopted name of compd B is: atrazine; English common name is: atrazine; Chemical name is: 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazines; Chemical constitution is:
Consisting of of composition: 1. nicosulfuron 0.1-40% 2. atrazine 0.1-40% 3. surfactant 1-30% 4. emulsifier 1-30% 5. oils surplus oils comprise mainly that 1. mineral oil is as the machine oil of various models, diesel oil, lubricated wet goods.
2. vegetable oil is as soybean oil, levant cotton oil, peanut wet goods
2, composition according to claim 1, preparation are oil-suspending agent.
3, composition according to claim 1, wherein compd A and compd B weeding ratio are 1: 160 to 80: 1 based on the parts by weight of active component, optimal proportion 1: 40 to 40: 1.
4, composition according to claim 1 also mainly contains oils except that active constituent, oils mainly comprises mineral oil, plant wet goods.
5, composition according to claim 1 also contains other emulsifier, auxiliary agent, surfactant etc. except that active constituent.
6, composition according to claim 1, purposes are the corn field postemergence weed controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01140290 CN1425298A (en) | 2001-12-12 | 2001-12-12 | Herbicide composition of nicosulfuron and atrazine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01140290 CN1425298A (en) | 2001-12-12 | 2001-12-12 | Herbicide composition of nicosulfuron and atrazine |
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| Publication Number | Publication Date |
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| CN1425298A true CN1425298A (en) | 2003-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01140290 Pending CN1425298A (en) | 2001-12-12 | 2001-12-12 | Herbicide composition of nicosulfuron and atrazine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971847A (en) * | 2010-11-18 | 2011-02-16 | 北京燕化永乐农药有限公司 | Weeding composition of sulfometuron methyl and atrazine |
| CN101999386A (en) * | 2010-11-02 | 2011-04-06 | 孙雪梅 | Nicosulfuron-and-atrazine-containing weeding composition |
| CN102057900A (en) * | 2011-01-26 | 2011-05-18 | 河北博嘉农业有限公司 | Thidiazuron suspension agent |
| CN101878759B (en) * | 2005-03-14 | 2012-02-29 | 石原产业株式会社 | Herbicidal suspension |
-
2001
- 2001-12-12 CN CN 01140290 patent/CN1425298A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878759B (en) * | 2005-03-14 | 2012-02-29 | 石原产业株式会社 | Herbicidal suspension |
| CN101999386A (en) * | 2010-11-02 | 2011-04-06 | 孙雪梅 | Nicosulfuron-and-atrazine-containing weeding composition |
| CN101971847A (en) * | 2010-11-18 | 2011-02-16 | 北京燕化永乐农药有限公司 | Weeding composition of sulfometuron methyl and atrazine |
| CN102057900A (en) * | 2011-01-26 | 2011-05-18 | 河北博嘉农业有限公司 | Thidiazuron suspension agent |
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