CN103039483A - Mixed herbicide containing cinosulfuron and bispyribac-sodium and application thereof - Google Patents
Mixed herbicide containing cinosulfuron and bispyribac-sodium and application thereof Download PDFInfo
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- CN103039483A CN103039483A CN2011103160117A CN201110316011A CN103039483A CN 103039483 A CN103039483 A CN 103039483A CN 2011103160117 A CN2011103160117 A CN 2011103160117A CN 201110316011 A CN201110316011 A CN 201110316011A CN 103039483 A CN103039483 A CN 103039483A
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Abstract
The invention belongs to the technical field of agricultural chemicals and discloses a mixed herbicide containing cinosulfuron and bispyribac-sodium and an application thereof. The mixed herbicide takes the cinosulfuron and the bispyribac-sodium as main active ingredients, the mass ratio of the cinosulfuron to the bispyribac-sodium is (0.1-80):(0.1-80), and the content in percentage by weight of the cinosulfuron and the bispyribac-sodium in the herbicide is 1-85%. The mixed herbicide disclosed by the invention has significant effects in applications in post-emergence weeding of rice paddy fields, in particular to the applications in control of various grass family, sedge 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 two careless ethers.
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 about 3,300 ten thousand hectares of cultivated area accounts 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 that 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.
Two careless ethers (bispyribac-sodium) have another name called the salicylic acid Sulfadiazine Compound, are the pyrimidine Type salicylic acid broad-spectrum herbicides by the exploitation of Japanese combinatorial chemistry company, two (4, the 6-SDM base-2-oxygen base) Sodium Benzoates of chemical name: 2,6-.Its structural formula is as follows:
Two careless ethers are highly active ALS inhibitor, work by the biosynthesis that hinders branched-chain amino acid, mainly use the direct Tanaka of paddy rice, prevent and kill off grassy weed, can prevent and kill off especially the barnyard grass of 1～7 leaf phase, double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces the resistance barnyard grass, and consumption is extremely low, has broad application prospects.
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 causes easily this season crop or succession crop of dispenser.Therefore, being made into mixture after the cinosulfuron that the present invention selects the pluses and minuses complementation and two two kinds of suitable decrements of weed killer herbicide of careless ether uses, so both reduced the consumption of medicament, obviously improved herbicidal effect, and 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 two careless ethers.
Another object of the present invention provides the application of this mixed herbicide in the paddy field postemergence weed control.
The mixed herbicide of a kind of cinosulfuron-containing and two careless ethers, this mixed herbicide is take cinosulfuron and two careless ethers as main active ingredient, and cinosulfuron is 0.1～80: 0.1～80 with the mass ratio of two careless ethers.Preferred cinosulfuron is 1～70: 1～60 with the mass ratio of two careless ethers.The mass ratio of cinosulfuron and two careless ethers more preferably 1～40: 1～40.
In above-mentioned mixed herbicide, cinosulfuron is 1～85% with two the two quality percentage composition in this mixed herbicide of careless ether, and the preferred mass percentage composition is 15～80%.
In the binary built preparation of cinosulfuron of the present invention and two careless ethers, except the active ingredients such as cinosulfuron and two careless ethers, 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 profit dispersible granule, wetting powder, suspending agent, aqua.
Mixed herbicide of the present invention can be used in the paddy field postemergence weed control, 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 all is inhibitor of acetolactate synthetase with two careless ethers.Mainly absorb by root and stem and be sent to meristematic tissue by conducting tissue, the biosynthesis of inhibition branched-chain amino acid (such as serine, isoleucine).Two kinds of composite reagents can reduce the consumption of single dose greatly, can greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron is mainly effective to broad leaved weed and sedge weed, two careless ethers have very strong inhibitory action to grassy weeds such as barnyard grasses, and double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces the resistance barnyard grass, after both mix, action compensating, herbicidal spectrum is wider, and cinosulfuron can both spread pesticide-clay mixture or spraying with two careless ethers, so and weed killer herbicide herbicidal spectrum of the present invention is more extensive, prolonged the lasting period of medicament.
3, delay Weed Resistance.Because long-term a large amount of same weed killer herbicide that uses, weeds are easy to develop immunity to drugs, although and the mode of action of two kinds of weed killer herbicides is identical in the weed killer herbicide of the present invention, but two kinds of composite reagents, the large using dosage that reduces weed killer herbicide of the utmost point, slow down the generation of herbicide resistance, 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 the paddy field postemergence weed control, 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%, two careless ethers 14%, dodecyldimethylammonium hydroxide inner salt 5%, APG 5%, sodium sarcosinate 2% adds water to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 15% aqua.
Embodiment 2
Cinosulfuron 2%, two careless ethers 23%, 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 25% wetting powder.
Embodiment 3
Cinosulfuron 5%, two careless ethers 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 65% water dispersible granules.
Embodiment 4
Cinosulfuron 10%, two careless ethers 10%, 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 20% wetting powder.
Embodiment 5
Cinosulfuron 19%, two careless ethers 1%, calcium lignosulfonate naphthalene sulfonic acid-formaldehyde condensation product (tower More) 5%, carboxymethyl cellulose 5%, ethylene glycol 2%, defoamer 0.5%, add water to 100%, the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 20% suspending agent.
Embodiment 6
Cinosulfuron 70%, two careless ethers 5%, 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 75% wetting powder.
Embodiment 7
Cinosulfuron 12%, two careless ethers 38%, dodecyldimethylammonium hydroxide inner salt 6%, APG 6%, sodium sarcosinate 3% adds water to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 50% aqua.
Embodiment 8
Cinosulfuron 40%, two careless ethers 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 9
Cinosulfuron 1%, two careless ethers 40%, 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 10
Cinosulfuron 40%, two careless ethers 40%, 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% water dispersible granules.
Embodiment 11
Cinosulfuron 80%, two careless ethers 0.1%, 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 80.1% wetting powder.
Embodiment 12
Cinosulfuron 0.1%, two careless ethers 80%, 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 80.1% wetting powder.
Embodiment 13
Cinosulfuron 70%, two careless ethers 1%, 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 71% wetting powder.
Embodiment 14
Cinosulfuron 1%, two careless ethers 60%, 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 61% wetting powder.
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 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 2～3 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), 20% pair of careless ether wetting powder (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 barnyard grass, lady's-grass, rhizoma alismatis, nutgrass flatsedge, apple, pondweed, difformed galingale herb, arrowhead, 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 that from table 2 and table 3 the present invention has significant preventive effect to grassy weed, broad leaved weed and sedge weed, 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 two careless ethers is characterized in that this mixed herbicide take cinosulfuron and two careless ethers as main active ingredient, and cinosulfuron is 0.1～80: 0.1～80 with the mass ratio of two careless ethers.
2. mixed herbicide according to claim 1 is characterized in that the mass ratio of cinosulfuron and two careless ethers 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 two careless ethers is 1～40: 1～40 in this mixed herbicide.
4. mixed herbicide according to claim 1 is characterized in that cinosulfuron and two the two quality percentage composition in this mixed herbicide of careless ether are 1～85%.
5. mixed herbicide according to claim 4 is characterized in that cinosulfuron and two the two quality percentage composition in this mixed herbicide of careless ether are 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 two careless ethers 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 water dispersible granules, wetting powder, suspending agent or aqua.
8. the application of mixed herbicide claimed in claim 1 in the paddy field postemergence weed control.
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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| CN2011103160117A CN103039483A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and bispyribac-sodium and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103160117A CN103039483A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and bispyribac-sodium and application thereof |
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| CN103039483A true CN103039483A (en) | 2013-04-17 |
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| CN2011103160117A Pending CN103039483A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and bispyribac-sodium and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202310A (en) * | 2013-05-09 | 2013-07-17 | 江苏省农用激素工程技术研究中心有限公司 | Weeding composite containing halosulfuron-methyl and bispyribac-sodium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181183A (en) * | 1997-11-12 | 1998-05-13 | 江苏省激素研究所 | Broad-spectrum weeding composition |
| CN102217629A (en) * | 2011-06-08 | 2011-10-19 | 陕西韦尔奇作物保护有限公司 | Synergistic herbicidal composition containing bispyribac-sodium and sulfonylurea |
| CN102461543A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and cinosulfuron |
-
2011
- 2011-10-17 CN CN2011103160117A patent/CN103039483A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181183A (en) * | 1997-11-12 | 1998-05-13 | 江苏省激素研究所 | Broad-spectrum weeding composition |
| CN102461543A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and cinosulfuron |
| CN102217629A (en) * | 2011-06-08 | 2011-10-19 | 陕西韦尔奇作物保护有限公司 | Synergistic herbicidal composition containing bispyribac-sodium and sulfonylurea |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202310A (en) * | 2013-05-09 | 2013-07-17 | 江苏省农用激素工程技术研究中心有限公司 | Weeding composite containing halosulfuron-methyl and bispyribac-sodium |
| CN103202310B (en) * | 2013-05-09 | 2015-11-18 | 江苏省农用激素工程技术研究中心有限公司 | Containing the Herbicidal combinations of halosulfuronmethyl with two careless ether |
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Application publication date: 20130417 |