CN102461544A - Hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and application of hybrid herbicide - Google Patents
Hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and application of hybrid herbicide Download PDFInfo
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- CN102461544A CN102461544A CN2010105526829A CN201010552682A CN102461544A CN 102461544 A CN102461544 A CN 102461544A CN 2010105526829 A CN2010105526829 A CN 2010105526829A CN 201010552682 A CN201010552682 A CN 201010552682A CN 102461544 A CN102461544 A CN 102461544A
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Abstract
The invention belongs to the technical field of pesticide, disclosing a herbicide, in particular to a hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and an application of the hybrid herbicide. The herbicide takes the Cinosulfuron, the bentazone and the Bispyribac-sodium 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 with a 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 the mixed herbicide and the application thereof of a kind of cinosulfuron-containing, bentazone and two careless ethers.
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, pondweed, arrowhead, Monochoria vaginalis, and is invalid to barnyard grass grass and moleplant seed etc.
Bentazone (bentazone), commodity are called Bentazon, are the benzothiadiazine ketone weed killer herbicides by BASF Corp's exploitation, chemical name: the 3-isopropyl-(1H)-and benzo-2,1,3-thiadiazine-4-ketone-2, the 2-dioxide, its structural formula is following:
Bentazone is an optionally herbicide after seedling of contact killing type tool, is used for cauline leaf processing in seedling stage, works through the blade contact.Dry land is used, and is transmitted to through the blade face infiltration earlier and suppresses photosynthesis in the chloroplast.The paddy field use can absorb through root again through the blade face infiltration, be transmitted to cauline leaf, hinders weeds photosynthesis and water metabolism strongly, causes nutrition hungry, makes physiological function lack of proper care and cause death.Active ingredient is detoxified to active weak glycoconjugates metabolism in the tolerable crop body, and to crop safety, 6-18 week bentazone can be by microbial decomposition in soil after the dispenser.Bentazone is used to prevent and kill off sedge family and broad leaved weed, mainly prevents and kill off short arrowhead, convexutricle sedge herb, Monochoria korsakowii, difformed galingale herb, Herba Cyperi Glomerati, Monochoria vaginalis etc., and is invalid to grassy weed.
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, chemical name: 2, and two (4, the 6-SDM base-2-oxygen base) Sodium Benzoates of 6-, its structural formula is following:
Two careless ethers are highly active ALS inhibitor; Biosynthesis through hindering branched-chain amino acid is worked, and mainly uses the direct Tanaka of paddy rice, prevents and kill off grassy weed; Can prevent and kill off the barnyard grass grass of 1～7 leaf phase especially; Double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces resistance barnyard grass grass, and consumption is extremely low, has broad application prospects.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 mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing, bentazone and two careless ethers.
Another object of the present invention provides this herbicide applications.
The mixed herbicide of a kind of cinosulfuron-containing, bentazone and two careless ethers, this weed killer herbicide is main active ingredient with cinosulfuron, bentazone and two careless ether, the mass ratio of cinosulfuron, bentazone and two careless ethers is 0.1～80: 0.1～80: 0.1～80.The mass ratio of preferred cinosulfuron, bentazone and two careless ethers is 1～70: 1～60: 1～60.
In mixed herbicide, cinosulfuron, bentazone and the two quality percentage composition of careless ether three in weed killer herbicide are 1～85%, and the preferred mass percentage composition is 15～80%.
In the ternary built preparation of cinosulfuron of the present invention, bentazone and two careless ethers; Except active ingredients such as cinosulfuron, bentazone 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 water dispersible granules, wetting powder, suspending agent.
Mixed herbicide of the present invention can be used in the paddy field postemergence weed control, particularly in preventing and kill off paddy field, uses in various grassy weeds, sedge weed or the broad leaved weed to have remarkable result.
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; Wherein three kinds of active ingredient pluses and minuses are complementary; Three kinds of composite reagents not only can reduce the consumption of single agent 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, bentazone are mainly effective to broad leaved weed and sedge weed, and two careless ethers have very strong inhibitory action to grassy weeds such as barnyard grass grass, and double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces resistance barnyard grass grass; After the three mixes, action compensating, herbicidal spectrum is wideer; Cinosulfuron all can spread pesticide-clay mixture or spraying with two careless ethers; Bentazone can be done spraying and handle, so weed killer herbicide of the present invention has the double action in foliar treatment and feud, has prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds are prone to sulfonylurea herbicide is produced resistance; And contain the bentazone of benzothiadiazine ketone 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 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%, bentazone 4%, two careless ethers 10%; Neopelex 6%, APES 7%, sodium lignin sulfonate 5%; Xanthans 2%, water to 100%, being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 15% suspending agent.
Embodiment 2
Cinosulfuron 2%, bentazone 20%, two careless ethers 23%; NNO (sodium methylene bis-naphthalene sulfonate) 9%; APES 5%, sodium lignin sulfonate to 100%, being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 45% wetting powder.
Embodiment 3
Cinosulfuron 4%, bentazone 1%, two careless ethers 60%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, is 65% dispersible granule but be mixed with active ingredient gross mass percentage composition according to the formulation method of routine.
Embodiment 4
Cinosulfuron 9%, bentazone 60%, two careless ethers 1%; NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9%; Kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 70% wetting powder.
Embodiment 5
Cinosulfuron 19%, bentazone 5%, two careless ethers 1%; Alkyl phenol and ethylene oxide condensate 4%, ethoxy-c oxygen radical derivative 9%, xanthans 1%; Ethylene glycol 3%, water complements to 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 25% suspending agent.
Embodiment 6
Cinosulfuron 70%, bentazone 8%, two careless ethers 3%; NNO (sodium methylene bis-naphthalene sulfonate) 9%; APES 5%, sodium lignin sulfonate to 100%, being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 80% wetting powder.
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 2～3 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 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two 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), 48% bentazone aqua (commercially available), 20% pair of careless ether wetting powder (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 barnyard grass 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 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, the result sees table 2 and table 3.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, whether crop had poisoning to investigate medicament,
The result sees 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 that from table 2 and table 3 the present invention has significant preventive effect to grassy weed, broad leaved weed and sedge 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, bentazone and two careless ethers is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, bentazone and two careless ether, and the mass ratio of cinosulfuron, bentazone and two careless ethers is 0.1～80: 0.1～80: 0.1～80.
2. mixed herbicide according to claim 1 is characterized in that the mass ratio of cinosulfuron in the described weed killer herbicide, bentazone and two careless ethers is 1～70: 1～60: 1～60.
3. according to the mixed herbicide described in claim 1 or 2, it is characterized in that cinosulfuron, bentazone and the two quality percentage composition of careless ether three in described weed killer herbicide are 1～85%.
4. according to the mixed herbicide described in the claim 3, it is characterized in that cinosulfuron, bentazone and the two quality percentage composition of careless ether three in described weed killer herbicide are 15～80%.
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, bentazone and two careless ether.
6. according to the mixed herbicide described in the claim 5, it is characterized in that described formulation is water dispersible granules, wetting powder, suspending agent.
7. the application of the described mixed herbicide of claim 1 in the paddy field postemergence weed control.
8. the described mixed herbicide of claim 1 application in various grassy weeds, sedge weed or the broad leaved weed in preventing and kill off paddy field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010552682 CN102461544B (en) | 2010-11-19 | 2010-11-19 | Hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and application of hybrid herbicide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010552682 CN102461544B (en) | 2010-11-19 | 2010-11-19 | Hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and application of hybrid herbicide |
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| Publication Number | Publication Date |
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| CN102461544A true CN102461544A (en) | 2012-05-23 |
| CN102461544B CN102461544B (en) | 2013-08-07 |
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| CN 201010552682 Active CN102461544B (en) | 2010-11-19 | 2010-11-19 | Hybrid herbicide containing Cinosulfuron, bentazone and Bispyribac-sodium and application of hybrid herbicide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104222112A (en) * | 2014-08-26 | 2014-12-24 | 广东中迅农科股份有限公司 | Weeding composition for paddy field |
| WO2016115709A1 (en) * | 2015-01-22 | 2016-07-28 | Hicap Formulations (Hong Kong) Ltd. | A safe, one-shot rice herbicide composition and weed control method in rice fields |
| CN106577760A (en) * | 2016-12-12 | 2017-04-26 | 安徽常泰化工有限公司 | Formula of herbicide for agricultural use |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035292A (en) * | 1987-12-22 | 1989-09-06 | 古米埃化学工业株式会社 | Pyrimidine derivatives and preparation method thereof and herbicidal methods and composition |
| CN101828562A (en) * | 2010-06-12 | 2010-09-15 | 济南科赛基农化工有限公司 | Herbicide composition with bentazon and bispyribac-sodium as active ingredients |
-
2010
- 2010-11-19 CN CN 201010552682 patent/CN102461544B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035292A (en) * | 1987-12-22 | 1989-09-06 | 古米埃化学工业株式会社 | Pyrimidine derivatives and preparation method thereof and herbicidal methods and composition |
| CN101828562A (en) * | 2010-06-12 | 2010-09-15 | 济南科赛基农化工有限公司 | Herbicide composition with bentazon and bispyribac-sodium as active ingredients |
Non-Patent Citations (1)
| Title |
|---|
| M. BEGUM 等: "Effect of herbicides for the control of Fimbristylis miliacea (L.) Vahl. in rice", 《JOURNAL OF AGRONOMY》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104222112A (en) * | 2014-08-26 | 2014-12-24 | 广东中迅农科股份有限公司 | Weeding composition for paddy field |
| WO2016115709A1 (en) * | 2015-01-22 | 2016-07-28 | Hicap Formulations (Hong Kong) Ltd. | A safe, one-shot rice herbicide composition and weed control method in rice fields |
| CN106577760A (en) * | 2016-12-12 | 2017-04-26 | 安徽常泰化工有限公司 | Formula of herbicide for agricultural use |
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| CN102461544B (en) | 2013-08-07 |
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