CN102461530B - Mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof - Google Patents
Mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof Download PDFInfo
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- CN102461530B CN102461530B CN 201010551925 CN201010551925A CN102461530B CN 102461530 B CN102461530 B CN 102461530B CN 201010551925 CN201010551925 CN 201010551925 CN 201010551925 A CN201010551925 A CN 201010551925A CN 102461530 B CN102461530 B CN 102461530B
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- pendimethalin
- bensulfuron
- methyl
- cinosulfuron
- herbicide
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- 239000004009 herbicide Substances 0.000 title claims abstract description 66
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 54
- WMLPCIHUFDKWJU-UHFFFAOYSA-N Cinosulfuron Chemical compound COCCOC1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(OC)=N1 WMLPCIHUFDKWJU-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000005591 Pendimethalin Substances 0.000 title claims abstract description 37
- CHIFOSRWCNZCFN-UHFFFAOYSA-N pendimethalin Chemical compound CCC(CC)NC1=C([N+]([O-])=O)C=C(C)C(C)=C1[N+]([O-])=O CHIFOSRWCNZCFN-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000005472 Bensulfuron methyl Substances 0.000 title claims abstract description 36
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical group COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 241000196324 Embryophyta Species 0.000 claims abstract description 52
- 239000000203 mixture Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 18
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- 239000004480 active ingredient Substances 0.000 claims description 11
- 238000009472 formulation Methods 0.000 claims description 11
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- 239000004472 Lysine Substances 0.000 description 1
- QPJVMBTYPHYUOC-UHFFFAOYSA-N Methyl benzoate Natural products COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 1
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- 238000012271 agricultural production Methods 0.000 description 1
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- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 1
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 150000005693 branched-chain amino acids Chemical class 0.000 description 1
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 1
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- LZGUHMNOBNWABZ-UHFFFAOYSA-N n-nitro-n-phenylnitramide Chemical compound [O-][N+](=O)N([N+]([O-])=O)C1=CC=CC=C1 LZGUHMNOBNWABZ-UHFFFAOYSA-N 0.000 description 1
- LCRMGUFGEDUSOG-UHFFFAOYSA-N naphthalen-1-ylsulfonyloxymethyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(OCOS(=O)(=O)C=3C4=CC=CC=C4C=CC=3)=O)=CC=CC2=C1 LCRMGUFGEDUSOG-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides, and discloses a mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof. The herbicide adopts the cinosulfuron, the bensulfuron-methyl and the pendimethalin as main active components, the weight ratio of which is 0.1 to 80:0.1 to 80:0.1 to 80. The mixed herbicide is applied in the weeding of paddy fields, and particularly has a remarkable effect in preventing and getting rid of various gramineous, cyperaceous and broadleaf weeds in paddy fields. Compared with single agents, the herbicide delays the resistance of weeds under the premise that the effect is enhanced, has a broad weeding spectrum and long persistence, and is safe for rice and succeeding crops.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to mixed herbicide and the application thereof of a kind of cinosulfuron-containing, bensulfuron-methyl and Pendimethalin.
Background technology
China is the country with the longest history of rice cropping in the world, and paddy rice is one of China's staple food crop, and approximately 3,300 ten thousand hectares of cultivated areas, account for 29% of plant of grain crops area.
Not weeding of field it is reported that annual national paddy rice all is subject to crop smothering in various degree, if can make the paddy rice underproduction more than 50%.Weeds have the paddy field main harm: barnyard grass, moleplant seed, reed, firefly Lin, Herba Cyperi Glomerati, difformed galingale herb, cyperus iria, miliary fimbristylis herb, pondweed, Eclipta prostrata, wild arrowhead, Monochoria vaginalis etc.The economic loss caused in order to reduce crop smothering, reduce labor intensity, and also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is accepted by people gradually simultaneously.
In recent years, along with increasing and the extensive popularization of chemical control technology in agricultural production of weed killer herbicide kind, chemical weed control has been widely used in each period of paddy growth.The choose reasonable weed killer herbicide not only can reduce friend peasant labour intensity, shorten working time, cultivate cost but also can reduce, reach the purpose of volume increase.
Cinosulfuron (Cinosulfuron), have another name called the first cinosulfuron, a kind of sulfonylurea herbicide, formal name used at school 1-(4,6-dimethoxy-1,3,5-triazines-2-yl)-3-[2-(2-methoxy ethoxy) phenyl sulphonyl] urea, its structural formula is as follows:
Cinosulfuron mainly absorbs by root and stem, by conducting tissue, is sent to meristematic tissue, suppresses the biosynthesis of branched-chain amino acid (as serine, isoleucine).After medication, weeds can be not dead immediately, but stop growing, and after 5-10 days, plant starts yellow, withered death.In the paddy rice body, active ingredient can be by urea bridge fracture, after methoxyl group hydrolysis, deamination and phenyl ring hydrolysis and the sucrose yoke approach such as close, finally be metabolized to non-poisonous material, in rice root, the half life period is less than 1 day, and in the paddy rice leaf, the half life period is 3 days, so to rice safety.But, due to its water-soluble large (3.7g/L water), in water leaking paddy field, thereby may focus on the rice root district with water, paddy rice is caused to poisoning.Broadcast annual broadleaf weed and the sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, Monochoria vaginalis for dry sowing, water, invalid to barnyard grass and moleplant seed etc.
Bensulfuron-methyl (bensulfuron methyl); being again Nongdeshi, is the sulfonylurea herbicide by E.I.Du Pont Company's exploitation, chemical name: α-{ [(4; 6-dimethoxypyridin-α-yl) amino carbonyl amino] the sulfonyl methyl } methyl benzoate, its structural formula is as follows:
Bensulfuron-methyl is the selectivity inner-adsorption conduction-type herbicide, active ingredient can spread rapidly in water, for weeds root and blade absorb each one of weeds that transfers to, the biosynthesis of hindered aminoacid, lysine, isoleucine, stop division and the growth of cell, susceptible weeds is obstructed because of GF, and tender tissue turns to be yellow too early and suppresses the growth of leaf section, hinders root growth and necrosis.It is harmless inertia chemicals that active ingredient enters rapid metabolism in the paddy rice body, to rice safety.The phonetic sulphur using method of benzyl is flexible, available pesticide-clay mixture, mispickel, spraying, sprinkles the method such as water.Its mobility in soil is little, and temperature, soil property affect little on its herbicidal effect.Life in 1 year and perennial broadleaf weed and nutgrass flatsedge can be effectively prevented and treated, other positions can be absorbed and pass to by weeds root, leaf.Be mainly used in preventing and kill off broad leaved weed and sedge weed as Monochoria vaginalis, pondweed, mexicana, chickweed, Monochoria korsakowii, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria, kitchen garden etc.To the grassy weed weak effect.
Pendimethalin (pendimethalin), the trade name weeding is logical, is the phenyl amines weed killer herbicide by BASF Corp's exploitation, chemical name: N-1-(ethyl propyl) 2,6-dinitro-3, the 4-dimethylaniline, its structural formula is as follows:
Pendimethalin is meristematic cell division inhibitor, mainly suppresses the meristematic cell division, does not affect the sprouting of weed seed, but works after suppressing weed seed germination during Young bud, stem and root absorption medicament.The dicotyledon absorption site is hypocotyl, and monocotyledon is young shoot, and its symptom of being injured is that young shoot and secondary root are suppressed, finally causes death.Mainly prevent and kill off annual gramineae and some annual broadleaf weed, as: lady's-grass, eleusine indica, barnyard grass, annual bluegrass, multitude, kitchen garden, Amaranthus retroflexus, Asiatic plantain, corn sow thistle, amur foxtail, clearvers, green foxtail, volume stem knotweed, chickweed, summer cypress, nutgrass flatsedge, benbie, difformed galingale herb etc.Preemergence application after cereal plants, corn and rice growing, or before broad bean, cotton, peanut and large bean sprouts, shallow mixed soil is used, but in vegetable fields, before seedling or before transplanting, use, also can prevent and kill off the Tobacco Farm weeds.
Herbicide for paddy field is limit by crop safety at present, the herbicide spectrum is also limited, use separately a kind of weed killer herbicide single dose can not control completely effectively the generation of paddy field weed, moreover some weed killer herbicide is due to water-soluble large or the field lasting period is oversize, consumption is excessive or dispenser is inhomogeneous all easily causes the residual hazard to this season crop or succession crop.
Summary of the invention
The objective of the invention is the above-mentioned deficiency for prior art, the mixed herbicide of a kind of cinosulfuron-containing, bensulfuron-methyl and Pendimethalin is provided.
Another object of the present invention is to provide the application of this weed killer herbicide.
The mixed herbicide of a kind of cinosulfuron-containing, bensulfuron-methyl and Pendimethalin, it is characterized in that this weed killer herbicide take cinosulfuron, bensulfuron-methyl and Pendimethalin as main active ingredient, the mass ratio of cinosulfuron, bensulfuron-methyl and Pendimethalin is 0.1～80: 0.1～80: 0.1～80, and preferably the mass ratio of cinosulfuron, bensulfuron-methyl and Pendimethalin is 1～70: 1～60: 1～60.
In mixed herbicide, cinosulfuron, bensulfuron-methyl and the Pendimethalin three gross mass percentage composition in weed killer herbicide is 1～85%, and preferably the gross mass percentage composition is 15～80%.
In mixed herbicide of the present invention, except cinosulfuron, bensulfuron-methyl and Pendimethalin active ingredient, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on pesticidal preparations and be mixed with any one formulation allowed on agricultural chemicals.Preferably be processed into suspending agent, wetting powder, water dispersion granule or emulsifiable concentrate.
Weeds before mixed herbicide of the present invention can effectively be prevented and kill off the paddy field seedling, after seedling, particularly various grass family, sedge family or broad leaved weed in paddy field are had to significant preventive effect, can be before the paddy field seedling, apply in postemergence weed control, particularly in preventing and kill off paddy field, in various grass family, sedge family or broad leaved weed, apply.
Herbicidal composition of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal composition of the present invention can kill weeds by three kinds of different approaches, and wherein three kinds of active ingredient pluses and minuses complementation suitably is made into the mixture use according to specific than row after decrement, produces synergistic function, greatly improves the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron, bensulfuron-methyl and after the Pendimethalin three mixes, action compensating, herbicidal spectrum is wider, and, because cinosulfuron, bensulfuron-methyl are mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or spraying; And Pendimethalin except to some broad leaved weed effectively, grassy weed is also had to good effect, and before seedling, Miao Houjun can use.So weed killer herbicide of the present invention has the double action in leaf surface treatment and feud, extended the lasting period of medicament.
3, delay Weed Resistance.Because weeds easily produce resistance to sulfonylurea herbicide, and the Pendimethalin that contains dinitroaniline in weed killer herbicide of the present invention makes medicament can effectively prevent the weeds except anti-sulfonylurea, in addition, reduce the pesticide resistance of weeds, extended the service life of medicament.
4, safe.Herbicidal composition of the present invention, be applied to agent for removing grass in paddy field, and it can prevent and kill off various grass family, sedge family or broad leaved weed in paddy field, under the prerequisite that has improved drug effect, paddy rice and succession crop all had to safety.
Specific embodiments
Embodiment 1
Cinosulfuron 1%, bensulfuron-methyl 1%, Pendimethalin 18%, alkylphenol polyoxyethylene 4%, the rare block compound 5% of polyoxyethylene polyoxy third, thickener 2%, vegetable oil supplies 100%, according to conventional formulation method, is mixed with the oil-suspending agent that the quality percentage composition is 20%.
Embodiment 2
Cinosulfuron 3%, bensulfuron-methyl 2%, Pendimethalin 25%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate 7%, xanthans 2%, water supplies 100%, according to conventional formulation method, is mixed with the suspending agent that the quality percentage composition is 30%.
Embodiment 3
Cinosulfuron 5%, bensulfuron-methyl 4%, Pendimethalin 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, according to conventional formulation method, is mixed with the water dispersion granule that the quality percentage composition is 10%.
Embodiment 4
Cinosulfuron 3%, bensulfuron-methyl 60%, Pendimethalin 2%, NNO 6%, sodium lignin sulfonate 5%, white carbon 9%, kaolin supplies 100%, according to conventional formulation method, is mixed with the wetting powder that the quality percentage composition is 65%.
Embodiment 5
Cinosulfuron 70%, bensulfuron-methyl 5%, Pendimethalin 5%, NNO 5%, sodium lignin sulfonate 4%, white carbon 5%, kaolin supplies 100%, according to conventional formulation method, is mixed with the wetting powder that the quality percentage composition is 80%.
Embodiment 6
Cinosulfuron 10%, bensulfuron-methyl 10%, Pendimethalin 60%, calcium dodecyl benzene sulfonate 5%, alkylphenol polyoxyethylene 5%, dimethylbenzene to 100%, be mixed with according to conventional formulation method the missible oil that the quality percentage composition is 80%.
Embodiment 7
1), toxicity determination test
Utilize the preparation in embodiment 1～4, measure its co-toxicity coefficient to paddy field common weed difformed galingale herb.
Test method: the seed of quantitative difformed galingale herb is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, cultivate in illumination box, until difformed galingale herb 3～6 leaves, during the phase, in crawler type, do on composition spray the processing of spraying.After processing, in greenhouse, continue to cultivate, each processes the preventive effect to weeds routine observation, and each weeds fresh weight after processing of weighing after 30d is pressed the method for the nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, shows that three kinds of active principles have synergistic effect, and co-toxicity coefficient is less than 100, shows that three kinds of active principles have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after three kinds of active principles are composite all is greater than 100, illustrates that the present invention has obvious synergistic effect.
2), field control effectiveness test
Reagent agent:
Ternary built weed killer herbicide in embodiment 1～4 4.
The contrast medicament:
20% cinosulfuron water dispersible granules (commercially available), 10% bensulfuron-methyl wetting powder (commercially available), 33% pendimethalin missible oil (commercially available).
For studying thing: paddy rice
Rice seedlings was 3～5 leaf phases, grew fine, and robust plant, without other damage by disease and insect.
Prevent and kill off object:
The paddy field advantage weeds such as rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, difformed galingale herb, lady's-grass, green foxtail, barnyard grass, eleusine indica.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and, after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head of sprinkler selection weed killer herbicide special use.During spraying, note liquid is evenly sprayed application in experimental plot the phenomenon of accomplishing there is no drain spray, spraying more.
After test respectively after medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to after medicine, in 1～15d, observe the condition of production of crop, to investigate medicament, whether crop be had to poisoning.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d after medicine) and table 3 (40d after medicine)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
Consumption in table 2 and table 3 all refers to the consumption of active ingredient in each preparation.From table 2 and table 3, can find out, the present invention has significant preventive effect to grassy weed, sedge weed and broad leaved weed, and synergy is remarkable, and the lasting period is long.
The security survey result of table 4 medicament to crop
Each is processed, and in community, the rice is doing well, has no any medicine spot, illustrates that various medicaments are to the equal safety of paddy rice.
Claims (12)
1. the mixed herbicide of a cinosulfuron-containing, bensulfuron-methyl and Pendimethalin, it is characterized in that this weed killer herbicide take cinosulfuron, bensulfuron-methyl and Pendimethalin as active ingredient, and prepare by the following method: cinosulfuron 1%, bensulfuron-methyl 1%, Pendimethalin 18%, alkylphenol polyoxyethylene 4%, the rare block compound 5% of polyoxyethylene polyoxy third, thickener 2%, vegetable oil supplies 100%, according to conventional formulation method, is mixed with the oil-suspending agent that the quality percentage composition is 20%.
2. the mixed herbicide of a cinosulfuron-containing, bensulfuron-methyl and Pendimethalin, it is characterized in that this weed killer herbicide take cinosulfuron, bensulfuron-methyl and Pendimethalin as active ingredient, and prepare by the following method: cinosulfuron 3%, bensulfuron-methyl 2%, Pendimethalin 25%, NNO 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate 7%, xanthans 2%, water supplies 100%, according to conventional formulation method, is mixed with the suspending agent that the quality percentage composition is 30%.
3. the mixed herbicide of a cinosulfuron-containing, bensulfuron-methyl and Pendimethalin, it is characterized in that this weed killer herbicide take cinosulfuron, bensulfuron-methyl and Pendimethalin as active ingredient, and prepare by the following method: cinosulfuron 5%, bensulfuron-methyl 4%, Pendimethalin 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, according to conventional formulation method, is mixed with the water dispersion granule that the quality percentage composition is 10%.
4. the mixed herbicide of a cinosulfuron-containing, bensulfuron-methyl and Pendimethalin, it is characterized in that this weed killer herbicide take cinosulfuron, bensulfuron-methyl and Pendimethalin as active ingredient, and prepare by the following method: cinosulfuron 3%, bensulfuron-methyl 60%, Pendimethalin 2%, NNO 6%, sodium lignin sulfonate 5%, white carbon 9%, kaolin supplies 100%, according to conventional formulation method, is mixed with the wetting powder that the quality percentage composition is 65%.
5. the application of mixed herbicide claimed in claim 1 before the paddy field seedling, in postemergence weed control.
6. the application of mixed herbicide claimed in claim 2 before the paddy field seedling, in postemergence weed control.
7. the application of mixed herbicide claimed in claim 3 before the paddy field seedling, in postemergence weed control.
8. the application of mixed herbicide claimed in claim 4 before the paddy field seedling, in postemergence weed control.
9. mixed herbicide claimed in claim 1 application in various grass family, sedge family or broad leaved weed in preventing and kill off paddy field.
10. mixed herbicide claimed in claim 2 application in various grass family, sedge family or broad leaved weed in preventing and kill off paddy field.
11. mixed herbicide claimed in claim 3 is the application in various grass family, sedge family or broad leaved weed in preventing and kill off paddy field.
12. mixed herbicide claimed in claim 4 is the application in various grass family, sedge family or broad leaved weed in preventing and kill off paddy field.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314785A (en) * | 1998-07-16 | 2001-09-26 | 阿温提斯作物科学有限公司 | Herbicides with substituted phenyl sulfonylureas for controlling weeds in rice field |
| CN101562968A (en) * | 2006-08-05 | 2009-10-21 | 拜尔作物科学股份公司 | New microemulsion concentrates |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314785A (en) * | 1998-07-16 | 2001-09-26 | 阿温提斯作物科学有限公司 | Herbicides with substituted phenyl sulfonylureas for controlling weeds in rice field |
| CN101562968A (en) * | 2006-08-05 | 2009-10-21 | 拜尔作物科学股份公司 | New microemulsion concentrates |
Non-Patent Citations (3)
| Title |
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| 25%二甲戊乐灵•苄嘧磺隆防除禾本科草坪杂草效果;周小军等;《广东农业科学》;20081231(第4期);53-54 * |
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