CN103039486A - Mixed herbicide containing cinosulfuron and cinmethylin and application thereof - Google Patents
Mixed herbicide containing cinosulfuron and cinmethylin and application thereof Download PDFInfo
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- CN103039486A CN103039486A CN2011103160761A CN201110316076A CN103039486A CN 103039486 A CN103039486 A CN 103039486A CN 2011103160761 A CN2011103160761 A CN 2011103160761A CN 201110316076 A CN201110316076 A CN 201110316076A CN 103039486 A CN103039486 A CN 103039486A
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Abstract
The invention belongs to the technical field of agricultural chemicals and discloses a mixed herbicide containing cinosulfuron and cinmethylin and an application thereof. The mixed herbicide takes the cinosulfuron and the cinmethylin as main active ingredients, the mass ratio of the cinosulfuron to the cinmethylin is (0.1-80):(0.1-80), and the content in percentage by weight of the cinosulfuron and the cinmethylin in the mixed herbicide is 1-85%. The mixed herbicide disclosed by the invention has significant effects in applications in weeding of rice paddy fields, in particular to the applications in control of various grass family and broadleaf weeds in the rice paddy fields. Compared with a single agent, the herbicide disclosed by the invention can delay weed resistance and realize the advantages of broad weed control spectrum, long lasting period and safety against rice and afterreap crops on the premise of improving efficacy.
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 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.The most northern limit of China's paddy growth is the Huma, Heilongjiang Province of China.But main growth district is south, Taiwan, and the north is also rice cultivation of area along the river.That is to say, almost there is rice growth in most place.
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.Because the different regions climate characteristic is different from planting habit, sowing and the time of cultivating of paddy rice there are differences, but basic chemical weed control mode is identical, and what need consideration mainly is the factors such as temperature, soil property, rice varieties and farming custom.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 and 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, apple, pondweed, arrowhead, Monochoria vaginalis for dry sowing, water, invalid to barnyard grass and moleplant seed etc.
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 by the root absorption of sensitive plant, and suppressing merismatic growth 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.Therefore, but selection herbicide spectrum of the present invention is different, being made into mixture after two kinds of suitable decrements of weed killer herbicide of the cinosulfuron of pluses and minuses complementation and cinmethylin uses, so both enlarged the herbicide spectrum, obviously improved herbicidal effect, also avoided this season is done the deposits yields poisoning and succession crop produced the possibility of residual hazard.
Summary of the invention
The mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing and cinmethylin.
Another object of the present invention provides the application in the early stage weeding behind the paddy field seedling of this mixed herbicide.
Purpose of the present invention can be achieved through the following technical solutions:
The mixed herbicide of a kind of cinosulfuron-containing and cinmethylin, this mixed herbicide is take cinosulfuron and cinmethylin as main active ingredient, and the mass ratio of cinosulfuron and cinmethylin is 0.1～80: 0.1～80.The mass ratio of preferred cinosulfuron and cinmethylin is 1～70: 1～60.The mass ratio of cinosulfuron and cinmethylin more preferably 1～40: 1～40.
In above-mentioned mixed herbicide, the two quality percentage composition in this mixed herbicide of cinosulfuron and cinmethylin is 1～85%, and the preferred mass percentage composition is 15～80%.
In the binary built preparation of cinosulfuron of the present invention and cinmethylin, except the active ingredients such as cinosulfuron 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 oil-suspending agent, missible oil, water dispersible granules, wetting powder etc.
Mixed herbicide of the present invention can be used in the early stage weeding behind the paddy field seedling, particularly uses in various grass family, sedge family and the broad leaved weed to have remarkable result in preventing and kill off paddy field.
Beneficial effect of the present invention:
1, activity of weeding is high.Cinosulfuron mainly absorbs by root and stem and is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Cinmethylin is processing soil treatment agent before the selectivity inner sucting conduction type bud, can by the root absorption of sensitive plant, suppress merismatic growth.That is to say, herbicidal composition of the present invention can kill weeds by two kinds of different approaches, can greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron and cinmethylin all are the broad spectrum weeding agent.After both mix, 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; And cinmethylin is effective to barnyard grass, difformed galingale herb, Monochoria vaginalis etc., and can make cauline leaf and process.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 cinmethylin in the weed killer herbicide of the present invention, make medicament can effectively prevent weeds except anti-sulfonylurea in addition, having reduced 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.
Therefore, mixed herbicide of the present invention can be used in agent for removing grass in paddy field, particularly uses in various grass family, sedge family and the broad leaved weed in preventing and kill off paddy field.
Embodiment
Embodiment 1
Cinosulfuron 1%, cinmethylin 14%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, thickener 2% adds vegetable oil to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 15% oil-suspending agent.
Embodiment 2
Cinosulfuron 2%, cinmethylin 23%, ethylene glycol 5%, cyclohexanone 8%, polyoxyethylene groups alkyl ether 5%, vegetable oil to 100%, the quality percentage composition that is mixed with active ingredient according to the formulation method of routine are 25% missible oil.
Embodiment 3
Cinosulfuron 5%, cinmethylin 70%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 75% water dispersible granules.
Embodiment 4
Cinosulfuron 3%, cinmethylin 47%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 50% wetting powder.
Embodiment 5
Cinosulfuron 60%, cinmethylin 20%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, sodium lignin sulfonate 4%, white carbon 6% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80% wetting powder.
Embodiment 6
Cinosulfuron 24%, cinmethylin 1%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5% adds sodium lignin sulfonate to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 25% the outstanding agent of doing.
Embodiment 7
Cinosulfuron 39%, cinmethylin 11%, ethylene glycol 5%, cyclohexanone 8%, polyoxyethylene groups alkyl ether 5%, vegetable oil to 100%, the quality percentage composition that is mixed with active ingredient according to the formulation method of routine are 50% missible oil.
Embodiment 8
Cinosulfuron 0.1%, cinmethylin 80%, sodium lignin sulfonate 6%, neopelex 4%, ammonium sulfate 4% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80.1% water dispersible granules.
Embodiment 9
Cinosulfuron 80%, cinmethylin 0.1%, sodium lignin sulfonate 6%, neopelex 4%, ammonium sulfate 4% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80.1% water dispersible granules.
Embodiment 10
Cinosulfuron 70%, cinmethylin 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 71% water dispersible granules.
Embodiment 11
Cinosulfuron 1%, cinmethylin 60%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 61% water dispersible granules.
Embodiment 12
Cinosulfuron 40%, cinmethylin 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 41% water dispersible granules.
Embodiment 13
Cinosulfuron 40%, cinmethylin 40%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, white carbon 6% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80% wetting powder.
Embodiment 14
Cinosulfuron 1%, cinmethylin 40%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5% adds sodium lignin sulfonate to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 41% the outstanding agent of doing.
Embodiment 15
1, toxicity determination test
Utilize the preparation among the embodiment 1,2,3,4, measure it to the co-toxicity coefficient of paddy field common weed Monochoria vaginalis.
Test method: the seed of quantitative Monochoria vaginalis is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat Monochoria vaginalis 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
4 kinds of re-compounded binary herbicides among reagent agent: the embodiment 1,2,3,4.
Contrast medicament: 20% cinosulfuron water dispersible granules (commercially available), 10% cinmethylin missible oil (commercially available).
For studying thing: paddy rice, rice seedlings were 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, nutgrass flatsedge, 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.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, to investigate medicament whether crop be had poisoning.
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)
Can find out from table 2 and table 3, the present invention has significant preventive effect to grassy weed, sedge family and broad leaved 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 (9)
1. the mixed herbicide of a cinosulfuron-containing and cinmethylin is characterized in that this mixed herbicide take cinosulfuron and cinmethylin as main active ingredient, and the mass ratio of cinosulfuron and cinmethylin is 0.1～80: 0.1～80.
2. mixed herbicide according to claim 1 is characterized in that the mass ratio of cinosulfuron and cinmethylin is 1～70: 1～60 in this mixed herbicide.
3. mixed herbicide according to claim 2 is characterized in that the mass ratio of cinosulfuron and cinmethylin is 1～40: 1～40 in this mixed herbicide.
4. mixed herbicide according to claim 1 is characterized in that the two quality percentage composition in this mixed herbicide of cinosulfuron and cinmethylin is 1～85%.
5. mixed herbicide according to claim 4 is characterized in that the two quality percentage composition in this mixed herbicide of cinosulfuron and cinmethylin is 15～80%.
6. mixed herbicide according to claim 1 is characterized in that the auxiliary agent that allows on this mixed herbicide is take cinosulfuron and cinmethylin as main active ingredient and pesticidal preparations is mixed with any one formulation.
7. mixed herbicide according to claim 6 is characterized in that described formulation is oil-suspending agent, does and hang agent, missible oil, water dispersible granules or wetting powder.
8. mixed herbicide claimed in claim 1 application in the early stage weeding behind the paddy field seedling.
9. mixed herbicide claimed in claim 1 application in various grass family, sedge family and 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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| CN201110316076.1A CN103039486B (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and cinmethylin and application thereof |
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| CN201110316076.1A CN103039486B (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and cinmethylin and application thereof |
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| CN103039486A true CN103039486A (en) | 2013-04-17 |
| CN103039486B CN103039486B (en) | 2014-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846894A (en) * | 2015-07-10 | 2018-03-27 | 巴斯夫农业公司 | Herbicidal combinations comprising cinmethylin and specific photosynthetical system II inhibitor |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183895A (en) * | 1997-12-23 | 1998-06-10 | 宜兴市益农化工厂 | Suberyl oxalether bensulfuron methyl wettable powder |
| CN1382376A (en) * | 2001-04-25 | 2002-12-04 | 陈丰喜 | Herbicide composition |
-
2011
- 2011-10-17 CN CN201110316076.1A patent/CN103039486B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183895A (en) * | 1997-12-23 | 1998-06-10 | 宜兴市益农化工厂 | Suberyl oxalether bensulfuron methyl wettable powder |
| CN1382376A (en) * | 2001-04-25 | 2002-12-04 | 陈丰喜 | Herbicide composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846894A (en) * | 2015-07-10 | 2018-03-27 | 巴斯夫农业公司 | Herbicidal combinations comprising cinmethylin and specific photosynthetical system II inhibitor |
| CN107846894B (en) * | 2015-07-10 | 2024-05-28 | 巴斯夫农业公司 | Herbicidal composition comprising clomazone and a specific photosystem II inhibitor |
| 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 |
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| CN103039486B (en) | 2014-04-16 |
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Effective date of registration: 20180516 Address after: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Huazhou Pharmaceutical Co., Ltd. Address before: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Patentee before: Nanjing Huazhou Pharmaceutical Co., Ltd. |
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