CN102461541B - Hybrid herbicide containing Cinosulfuron, molinate and cinmethylin and application of the hybrid herbicide - Google Patents
Hybrid herbicide containing Cinosulfuron, molinate and cinmethylin and application of the hybrid herbicide Download PDFInfo
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- CN102461541B CN102461541B CN 201010552171 CN201010552171A CN102461541B CN 102461541 B CN102461541 B CN 102461541B CN 201010552171 CN201010552171 CN 201010552171 CN 201010552171 A CN201010552171 A CN 201010552171A CN 102461541 B CN102461541 B CN 102461541B
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Abstract
The invention belongs to the technical field of pesticide, disclosing a hybrid herbicide containing Cinosulfuron, molinate and cinmethylin and an application of the hybrid herbicide. The hybrid herbicide takes the Cinosulfuron, the molinate and the cinmethylin as main effective ingredients with the mass ratio of (0.1-80): (0.1-80): (0.1-80). The hybrid herbicide disclosed by the invention has obvious effect when being applied to the paddy field weeding, in particular to preventing and removing of various grass family weeds, cyperaceae weed family weeds and broad leaf family weeds in the paddy field. On the premise of improving pesticide effect, the hybrid herbicide can delay weed resistance, has the advantages of wide weeding spectrum and long effect lasting period if being compared witha single agent and is safe to the paddy and next batch of crop.
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, molinate and cinmethylin.
Background technology
China is in the world rice cropping country with the longest history, 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 that causes in order to reduce crop smothering reduces 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) has 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, is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (such as 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 by urea bridge fracture, after methoxyl group hydrolysis, deamination and the phenyl ring hydrolysis and the sucrose yoke approach such as close, be metabolized at last non-poisonous material, 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 large (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.Broadcast annual broadleaf weed and the sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, pondweed, arrowhead, Monochoria vaginalis for dry sowing, water, invalid to barnyard grass and moleplant seed etc.
Molinate (molinate), commodity are called molinate, are the dithiocarbamate herbicides by the exploitation of Syngenta (just reaching first) company, chemical name: N, N-hexa-methylene thioxanthamide, its structural formula is as follows:
Molinate is the lipoid synthetic inhibitor, belongs to the rice field herbicides special of inner sucting conduction type, also is the selective herbicide of control barnyard grass in paddy field.The molinate soil treatment cauline leaf of holding concurrently is processed, impose on Tanaka after because proportion is greater than water, and be deposited in the interface of water and mud, and forming the medicine layer of high concentration, weeds are during by the medicine layer, can be rapidly by primary root, especially absorbed by bud scale, and be accumulated in the meristematic tissue of growing point, stop protein synthetic.Molinate can also suppress the a-amylase activity, stops or weakening the hydrolysis of starch, and the synthetic and cell division degradedness of protein is supplied with, and the cell of being injured expands, and the growing point distortion is died and dead.Seed rice through vernalization is sowed on the medicine layer, and it is few that the rice root is passed down through medicine layer absorption dose, and bud scale upwards growth does not pass through the medicine layer, thereby can not be injured.Molinate is effective to the various environmental barnyard grass of control 1-4 leaf phase, and medication is also effective to needle spikesedge herb and cyperus iria during morning.But invalid to broadleaved herb, be applicable to take barnyard grass as main rice seedling bed, live field and rice transplanting field, because molinate herbicide spectrum is narrow, use can make weeds in paddy field occur obviously to change continuously, notes rationally using with other weed killer herbicides.
Cinmethylin (cinmethylin), commodity cut by Chinese mugwort by name, by Shell Co. Ltd, Dupont development, the herbicide for paddy field of American Cyanamid Company (existing BASF AG) exploitation, chemical name: 1-methyl-4-(1-Methylethyl)-2-[(2-aminomethyl phenyl) methoxyl group]-7-evil two rings (2,2,1) heptane.Its structural formula is as follows:
Cinmethylin is processing soil treatment agent before the selectivity inner sucting conduction type bud, can be suppressed merismatic growth by the root absorption of sensitive plant, is that plant is dead.Paddy rice, cotton, peanut etc. are strong to the drug-resistant capability of this medicine, enter and make to be metabolised in the object hydroxy derivatives, and be combined into conjugated compound and lose toxicity with glucosides in the plant corpus.In the no water layer situation, easily be evaporated and photodissociation, and can be decomposed by edaphon.Have in the water layer situation, decomposition rate slows down.Should be that use in main area annual weed, the lasting period be short, and the weeding optimal period is that weeds are in seedling or young tender phase.Be mainly used in preventing and kill off barnyard grass, Monochoria vaginalis, arrowhead, firefly Lin, cyperus iria, difformed galingale herb etc.
Herbicide for paddy field is limit by crop safety at present, the herbicide spectrum is also limited, be used alone the weed killer herbicide single dose and can not control completely effectively the generation of paddy field weed, moreover some weed killer herbicide is because water-soluble large or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all easily causes this season crop or succession crop of dispenser.
Summary of the invention
The mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing, molinate and cinmethylin.
Another object of the present invention provides the application of this weed killer herbicide.
The mixed herbicide of a kind of cinosulfuron-containing, molinate and cinmethylin, it is characterized in that this weed killer herbicide is take cinosulfuron, molinate and cinmethylin as main active ingredient, the mass ratio of cinosulfuron, molinate and cinmethylin is 0.1～80: 0.1～80: 0.1～80, and the mass ratio of preferred cinosulfuron, molinate and cinmethylin is 1～70: 1～60: 1～60.
In the described mixed herbicide, cinosulfuron, molinate and cinmethylin three's quality percentage composition is 1～85%, and the preferred mass percentage composition is 15～80%.
In the ternary built preparation of cinosulfuron of the present invention, molinate and cinmethylin, except the active ingredients such as cinosulfuron, molinate and cinmethylin, 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, missible oil, water dispersible granules or wetting powder etc.
Mixed herbicide of the present invention can be used in the weeding before the paddy field bud or behind the early stage bud, particularly uses in various grass family, sedge family or the broad leaved weed to have remarkable result in preventing and kill off paddy field.
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, wherein three kinds of active ingredient pluses and minuses are complementary, three kinds of composite reagents not only can reduce the consumption of single dose greatly, be made into the mixture use according to specific than row, can produce synergistic function, greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron, molinate and cinmethylin all are the broad spectrum weeding agent.After the three mixes, action compensating, herbicidal spectrum is wider, and, because cinosulfuron is mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or spraying; Molinate has special efficacy to the grassy weed barnyard grass, and soil treatment, cauline leaf are processed and all can; And cinmethylin is effective to barnyard grass, difformed galingale herb, Monochoria vaginalis etc., energy pesticide-clay mixture, poison sand and spraying.So weed killer herbicide of the present invention has the double action in leaf surface treatment and feud, prolonged the lasting period of medicament.
3, delay Weed Resistance.Because weeds easily produce resistance to sulfonylurea herbicide, and contain the molinate of cinmethylin and carbamates in the weed killer herbicide of the present invention, make medicament can effectively prevent weeds except anti-sulfonylurea, in addition, reduce resistance weed, 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 and 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%, molinate 10%, cinmethylin 4%, alkylphenol polyoxyethylene 6%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water to 100%, the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine are 15% suspending agent.
Embodiment 2
Cinosulfuron 2%, molinate 20%, cinmethylin 23%, fatty alcohol-polyoxyethylene ether 9%, calcium dodecyl benzene sulfonate 7%, dimethylbenzene to 100%, the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine are 45% missible oil.
Embodiment 3
Cinosulfuron 5%, molinate 5%, cinmethylin 60%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 15%, diatomite supplies 100%, and the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine is 70% water dispersible granules.
Embodiment 4
Cinosulfuron 3%, molinate 15%, cinmethylin 47%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9%, kaolin supplies 100%, and the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine is 65% wetting powder.
Embodiment 5
Cinosulfuron 70%, molinate 1%, cinmethylin 9%, NNO (sodium methylene bis-naphthalene sulfonate) 7%, sodium lignin sulfonate 4%, white carbon 4%, kaolin supplies 100%, and the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine is 80% wetting powder.
Embodiment 6
Cinosulfuron 4%, molinate 60%, cinmethylin 1%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5%, dimethylbenzene to 100%, the gross mass percentage composition that is mixed with active ingredient according to the formulation method of routine are 65% missible oil.
Embodiment 7
1), toxicity determination test
Utilize the preparation among the embodiment 1～4, measure it to the co-toxicity coefficient of paddy field common weed.
Test method: quantitative weed seed is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat weeds 3～6 leaves during the phase, do the composition spray processing of spraying in crawler type.Continue in the greenhouse after processing to cultivate, each processes preventive effect to weeds routine observation, and each weeds fresh weight after processing of weighing behind the 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 shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two 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 two kinds of active principles are composite illustrates that all greater than 100 the present invention has obvious synergistic effect.
2), field control effectiveness test
Reagent agent:
Ternary built weed killer herbicide among among the embodiment 1～4 4.
The contrast medicament:
20% cinosulfuron water dispersible granules (commercially available), 90.0% molinate missible oil (commercially available), 10% cinmethylin missible oil (commercially available).
For studying thing: paddy rice
Rice seedlings was 3～5 leaf phases, grew fine, and robust plant is without other damage by disease and insect.
Prevent and kill off object:
The paddy field advantage weeds such as rhizoma alismatis, cyperus iria, apple, pondweed, arrowhead, lady's-grass, green foxtail, barnyard grass, moleplant seed, eleusine indica, Monochoria vaginalis.
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 the experimental plot phenomenon of accomplishing there is not drain spray, spraying more.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments the results are shown in Table 2 and table 3.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, to investigate medicament whether crop be had poisoning, the results are shown in Table 4.
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 from table 2 and table 3, the present invention has significant preventive effect to grassy weed, broad leaved weed and sedge weed, and synergy is remarkable, and the lasting period is long.
Table 4 medicament is to the security survey result of crop
Each is processed, and the rice is doing well in the residential quarter, has no any medicine spot, illustrates that various medicaments are to the equal safety of paddy rice.
Claims (5)
1. the mixed herbicide of a cinosulfuron-containing, molinate and cinmethylin, it is characterized in that this weed killer herbicide take cinosulfuron, molinate and cinmethylin as active ingredient, the mass ratio of cinosulfuron, molinate and cinmethylin is 1:10:4,2:20:23,5:5:60 or 3:15:47.
2. the mixed herbicide described in according to claim 1 is characterized in that the auxiliary agent that allows on it is take cinosulfuron, molinate and cinmethylin as main active ingredient and agricultural chemicals is mixed with any one formulation.
3. the mixed herbicide described in according to claim 2 is characterized in that described formulation is suspending agent, missible oil, water dispersible granules, wetting powder, does outstanding agent.
4. mixed herbicide claimed in claim 1 application in the weeding before the paddy field bud and behind the early stage bud.
5. mixed herbicide claimed in 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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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010552171 CN102461541B (en) | 2010-11-19 | 2010-11-19 | Hybrid herbicide containing Cinosulfuron, molinate and cinmethylin and application of the hybrid herbicide |
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| CN 201010552171 CN102461541B (en) | 2010-11-19 | 2010-11-19 | Hybrid herbicide containing Cinosulfuron, molinate and cinmethylin and application of the hybrid herbicide |
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| CN102461541A CN102461541A (en) | 2012-05-23 |
| CN102461541B true CN102461541B (en) | 2013-09-18 |
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| SI3319433T1 (en) | 2015-07-10 | 2020-02-28 | BASF Agro B.V. | Herbicidal composition comprising cinmethylin and specific non-accase lipid synthesis inhibitors |
| CN109287675A (en) * | 2018-10-23 | 2019-02-01 | 安徽绿亿种业有限公司 | Herbicides special and preparation method thereof before a kind of rice seedlings |
| CN115517261A (en) * | 2022-09-15 | 2022-12-27 | 安徽省四达农药化工有限公司 | Composition containing halauxifen-methyl, preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479821A (en) * | 1980-07-17 | 1984-10-30 | Ciba-Geigy Corporation | N-Phenylsulfonyl-N'-triazinylureas |
| CN101401569A (en) * | 2008-11-13 | 2009-04-08 | 长沙矿冶研究院 | Environment-friendly floating agrochemical preparation for paddy field and preparation method thereof |
| CN101868148A (en) * | 2007-12-19 | 2010-10-20 | 龙灯农业化工国际有限公司 | Agrochemical composition and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479821A (en) * | 1980-07-17 | 1984-10-30 | Ciba-Geigy Corporation | N-Phenylsulfonyl-N'-triazinylureas |
| US4479821B1 (en) * | 1980-07-17 | 1990-04-03 | Ciba Geigy Corp | |
| CN101868148A (en) * | 2007-12-19 | 2010-10-20 | 龙灯农业化工国际有限公司 | Agrochemical composition and preparation method thereof |
| CN101401569A (en) * | 2008-11-13 | 2009-04-08 | 长沙矿冶研究院 | Environment-friendly floating agrochemical preparation for paddy field and preparation method thereof |
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