CN102461530A - 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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- CN102461530A CN102461530A CN2010105519257A CN201010551925A CN102461530A CN 102461530 A CN102461530 A CN 102461530A CN 2010105519257 A CN2010105519257 A CN 2010105519257A CN 201010551925 A CN201010551925 A CN 201010551925A CN 102461530 A CN102461530 A CN 102461530A
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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 the 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 about 3,300 ten thousand hectares of cultivated area accounts for 29% of cereal crops cultivated area.
Not weeding of field it is reported that annual national paddy rice all receives crop smothering in various degree, if can make the paddy rice underproduction more than 50%.Weeds have the paddy field main harm: barnyard grass 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.In order to reduce the economic loss that crop smothering causes, reduce labor intensity, 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 raising the output.
Cinosulfuron (Cinosulfuron) has another name called the first cinosulfuron, a kind of sulfonylurea herbicide, and 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 following:
Cinosulfuron mainly absorbs through root and stem, is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (like serine, isoleucine).Weeds can be not dead immediately after the medication, but stop growing, and plant begins yellow after 5-10 days, withered death.In the paddy rice body, active ingredient can be through urea bridge fracture, after methoxyl group hydrolysis, deamination and the phenyl ring hydrolysis with approach such as the sucrose yoke close; Be metabolized to non-poisonous material at last; The half life period was 3 days in the paddy rice leaf, so to rice safety less than 1 day half life period in rice root.But because its water-soluble big (3.7g/L water) in the water leaking paddy field, causes poisoning thereby may focus on the rice root district with water to paddy rice.Be used for that drought is broadcast, water broadcasts annual broadleaf weed and sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, Monochoria vaginalis, and is invalid to barnyard grass grass and moleplant seed etc.
Bensulfuron-methyl (bensulfuron methyl); Being Nongdeshi again, is the sulfonylurea herbicide by E.I.Du Pont Company's exploitation, chemical name: α-{ [(4; The amino carbonyl amino of 6-dimethoxypyridin-α-yl)] the sulfonyl methyl } methyl benzoate, its structural formula is following:
Bensulfuron-methyl is a selectivity inner sucting conduction type weed killer herbicide; Active ingredient can be in water diffusion rapidly, for the weeds root with blade absorption transfer to each one of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine; Stop the 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 portion, hinders root growth and necrosis.It is harmless inertia chemicals that active ingredient gets into the interior metabolism rapidly of paddy rice body, to rice safety.The phonetic sulphur method for using of benzyl is flexible, available pesticide-clay mixture, mispickel, spraying, sprinkles method such as water.Its mobility in soil is little, and temperature, soil property influence little to its herbicidal effect.Can effectively prevent and treat life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can and pass to other positions by weeds root, leaf absorption.Be mainly used in and prevent and kill off broad leaved weed and sedge weed such 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 following:
Pendimethalin is a meristematic cell division inhibitor, mainly suppresses the meristematic cell division, does not influence the sprouting of weed seed, but in the suppressing weed seed germination process behind young shoot, stem and the root absorption medicament and work.The dicotyledon absorption site is a hypocotyl, and monocotyledon is a young shoot, and its symptom of being injured is that young shoot and secondary root are suppressed, and finally causes death.Mainly prevent and kill off annual gramineae and some annual broadleaf weed, as: lady's-grass, eleusine indica, barnyard grass 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 behind cereal plants, corn and the rice growing, or shallow mixed soil is used before broad bean, cotton, peanut and big bean sprouts, but use before the vegetables Tanaka seedling or before transplanting, also can prevent and kill off the tobacco field weed.
Herbicide for paddy field is limit by crop safety at present; It is also limited to kill the grass spectrum; Use separately the agent of a kind of weed killer herbicide list can not control the generation of paddy field weed completely effectively, moreover some weed killer herbicide is because water-soluble big or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all causes easily this season crop or succession crop of dispenser.
Summary of the invention
The objective of the invention is above-mentioned deficiency, the mixed herbicide of a kind of cinosulfuron-containing, bensulfuron-methyl and Pendimethalin is provided to prior art.
Another object of the present invention provides this herbicide applications.
The mixed herbicide of a kind of cinosulfuron-containing, bensulfuron-methyl and Pendimethalin; It is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, bensulfuron-methyl and Pendimethalin; The mass ratio of cinosulfuron, bensulfuron-methyl and Pendimethalin is 0.1～80: 0.1～80: 0.1～80, and the mass ratio of preferred 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 preferred gross mass percentage composition is 15～80%.
In the 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 the pesticidal preparations and be mixed with any one formulation that allows on the 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, behind the seedling; Particularly various grass family, sedge family or broad leaved weed in the paddy field there is significant preventive effect; Can be before the paddy field seedling, use in the postemergence weed control, particularly in preventing and kill off paddy field, use in various grass family, sedge family or the broad leaved weed.
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 through three kinds of different approaches, and wherein three kinds of active ingredient pluses and minuses are complementary, suitably is made into the mixture use according to specific than row after the 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 wideer, 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 that to some broad leaved weed effectively, grassy weed is also had good effect, and before the seedling, Miao Houjun can use.So weed killer herbicide of the present invention has the double action in foliar treatment and feud, prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds are prone to sulfonylurea herbicide is produced resistance; And contain the Pendimethalin of dinitroaniline in the weed killer herbicide of the present invention, make medicament can prevent weeds effectively, in addition except anti-sulfonylurea; Reduce the pesticide resistance of weeds, prolonged the service life of medicament.
4, safe.Herbicidal composition of the present invention is 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 the paddy field, under the prerequisite that has improved drug effect, paddy rice and succession crop is all had safety.
Specific embodiments
Embodiment 1
Cinosulfuron 1%, bensulfuron-methyl 1%, Pendimethalin 18%; APES 4%, polyoxyethylene polyoxy third rare block compound 5%, thickener 2%; Vegetable oil supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 20% oil-suspending agent.
Embodiment 2
Cinosulfuron 3%, bensulfuron-methyl 2%, Pendimethalin 25%; NNO (sodium methylene bis-naphthalene sulfonate) 9%, APES 5%, sodium lignin sulfonate 7%; Xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 30% suspending agent.
Embodiment 3
Cinosulfuron 5%, bensulfuron-methyl 4%, Pendimethalin 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 10% water dispersion granule.
Embodiment 4
Cinosulfuron 3%, bensulfuron-methyl 60%, Pendimethalin 2%, NNO 6%, sodium lignin sulfonate 5%, white carbon 9%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 65% wetting powder.
Embodiment 5
Cinosulfuron 70%, bensulfuron-methyl 5%, Pendimethalin 5%, NNO 5%, sodium lignin sulfonate 4%, white carbon 5%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 6
Cinosulfuron 10%, bensulfuron-methyl 10%, Pendimethalin 60%, calcium dodecyl benzene sulfonate 5%, APES 5%, xylol to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 80% missible oil.
Embodiment 7
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure its co-toxicity coefficient 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, in illumination box, cultivate, treat difformed galingale herb 3～6 leaves during the phase, do the enterprising row spraying of composition spray in crawler type and handle.Handle in the greenhouse, back and continue to cultivate, each handles the preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 three kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 three kinds of active principles have antagonism.Mensuration result is as shown in table 1.
The indoor determination of activity result of table 1
Can find out that from last table the co-toxicity coefficient after three kinds of active principles are composite explains that all greater than 100 the present invention has obvious synergistic effect.
2), field control effectiveness test
Supply the reagent agent:
Ternary built weed killer herbicide among among the 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).
Confession studies thing: paddy rice
The paddy rice seedling was 3～5 leaf phases, grew fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Paddy field advantage weeds such as rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, difformed galingale herb, lady's-grass, green foxtail, barnyard grass grass, eleusine indica.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, utilize knapsack sprayer, and carrying out even spraying, shower nozzle is selected the special-purpose Fan spray head of weed killer herbicide for use.During spraying, note soup is evenly sprayed application in the experimental plot, accomplish not leak the phenomenon of spray, many sprays.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, whether crop had poisoning to investigate medicament.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d behind the medicine) and table 3 (40d behind the medicine)
Table 2 field control effectiveness test result (20d behind the medicine)
Table 3 field control effectiveness test result (40d behind the medicine)
Consumption in table 2 and the table 3 all refers to the consumption of active ingredient in each preparation.Can find out that from table 2 and table 3 the present invention has significant preventive effect to grassy weed, sedge weed and broad leaved weed, synergy property is remarkable, and the lasting period is long.
Table 4 medicament is to the security survey result of crop
Each is handled, and the rice is doing well in the sub-district, do not see any medicine spot, explains that various medicaments are to the equal safety of paddy rice.
Claims (8)
1. the mixed herbicide of a cinosulfuron-containing, bensulfuron-methyl and Pendimethalin; It is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, bensulfuron-methyl and Pendimethalin, the mass ratio of cinosulfuron, bensulfuron-methyl and Pendimethalin is 0.1～80: 0.1～80: 0.1～80.
2. mixed herbicide according to claim 1, the mass ratio that it is characterized in that cinosulfuron, bensulfuron-methyl and Pendimethalin in this weed killer herbicide is 1～70: 1～60: 1～60.
3. according to the mixed herbicide described in the claim 1～2, it is characterized in that cinosulfuron, bensulfuron-methyl and the Pendimethalin three gross mass percentage composition in weed killer herbicide is 1～85%.
4. according to the mixed herbicide described in the claim 3, it is characterized in that cinosulfuron, bensulfuron-methyl and the Pendimethalin three gross mass percentage composition in weed killer herbicide is 10%～80%.
5. according to the mixed herbicide described in the claim 1, it is characterized in that it is that the auxiliary agent that allows on main active ingredient and the agricultural chemicals is mixed with any one formulation with cinosulfuron, bensulfuron-methyl and Pendimethalin.
6. according to the mixed herbicide described in the claim 4, it is characterized in that described formulation is suspending agent, wetting powder, water dispersible granules or emulsifiable concentrate.
7. the application of the described mixed herbicide of claim 1 before the paddy field seedling, in the postemergence weed control.
8. the described mixed herbicide of claim 1 application in various grass family, sedge family or the broad leaved weed in preventing and kill off paddy field.
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| CN 201010551925 CN102461530B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof |
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| CN 201010551925 CN102461530B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof |
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| CN102461530A true CN102461530A (en) | 2012-05-23 |
| CN102461530B CN102461530B (en) | 2013-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104396989A (en) * | 2014-11-30 | 2015-03-11 | 南京华洲药业有限公司 | Mixed weedicide containing flazasulfuron, trifluralin and pendimethalin |
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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2010
- 2010-11-19 CN CN 201010551925 patent/CN102461530B/en active Active
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 (2)
| Title |
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| 周小军等: "25%二甲戊乐灵•苄嘧磺隆防除禾本科草坪杂草效果", 《广东农业科学》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104396989A (en) * | 2014-11-30 | 2015-03-11 | 南京华洲药业有限公司 | Mixed weedicide containing flazasulfuron, trifluralin and pendimethalin |
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