CN102334495A - Weeding composition - Google Patents
Weeding composition Download PDFInfo
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- CN102334495A CN102334495A CN201110254468XA CN201110254468A CN102334495A CN 102334495 A CN102334495 A CN 102334495A CN 201110254468X A CN201110254468X A CN 201110254468XA CN 201110254468 A CN201110254468 A CN 201110254468A CN 102334495 A CN102334495 A CN 102334495A
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- herbicidal combinations
- penoxsuam
- pyrazosulfuron
- grass amine
- acyl grass
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Abstract
The invention relates to a weeding composition, the active ingredients of which are metamifop, penoxsulam and pyrazosulfuronethyl. The weeding composition has the advantages that: after the metamifop, the penoxsulam and the pyrazosulfuronethyl are blended, the weeding effect is enhanced, the weed control spectrum is broadened, toxicity and residue are low, moreover, the dosage, the application frequency and the use cost are evidently reduced, the effect of the composition is much higher than the effect of each single agent, and the weeding composition is a better novel composition agent for controlling annual weeds in paddy fields so far.
Description
Technical field
The invention belongs to agricultural chemicals weeding technical field, being specifically related to Yi Zhong Yi oxazole acyl grass amine, penoxsuam, pyrazosulfuron is the Herbicidal composition for rice field of effective ingredient, is used to prevent and kill off the paddy field annual weed.
Background technology
Along with people's improves constantly food security, requirement on environmental protection, and the agricultural chemicals operating position on the crops that people depend on for existence also receives much concern.Along with progressively eliminating of high-toxic pesticide, need efficient, low toxicity, safety, environment amenable pharmaceutical preparations.Simultaneously, the long-term use of agricultural chemicals is developed immunity to drugs disease pest and weed, and is also increasingly high to the requirement of control medicament, and this just needs the agricultural chemicals research staff to develop the pharmaceutical preparations of highly effective and safe, satisfies the control requirement.Because China's agricultural chemicals initiative is at the early-stage, the pesticide species with independent intellectual property right can't be satisfied the demand, so the mixed pesticide preparation of development of new, is the only way of current agricultural chemicals development.
Paddy rice is one of main cereal crops of China, and paddy field weeding is a great problem on producing.The chemical method weeding is the main means of control weeds.In recent years, because some weed killer herbicide kind large tracts of land are used separately, caused a lot of weeds to develop immunity to drugs.Therefore, be badly in need of the rice weeding pharmaceutical preparations of efficient, low toxicity, economy, safety.
Oxazole acyl grass amine; For fragrant phenoxy esters of gallic acid weed killer herbicide, can effectively prevent and kill off the most of annual gramineous weeds of paddy field, different with this type of weed killer herbicide of great majority is that oxazole acyl grass amine is to rice safety; Can effectively prevent and kill off the paddy field main weeds,, be mainly used in and transplant and the direct sowing rice field weeding like barnyard grass grass, moleplant seed, lady's-grass and eleusine indica.Low toxicity, environmentally safe, miscibilty is widely arranged, and be expected to be used for other crops and lawn weeding, be a very promising weed killer herbicide.If long-term use separately, weeds will develop immunity to drugs.
Penoxsuam is that broad-spectrum herbicide is used in the rice field behind the bud, can effectively prevent and kill off barnyard grass grass, moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds, and the lasting period is long.Simultaneously, it also can prevent and kill off anti-bensulfuron-methyl weeds in the rice field, and many broad-leaveds and sedge weed and barnyard grass grass etc. are had residual activity, for composing the widest kind with killing grass in the weed killer herbicide in present rice field.But penoxsuam is strong inhibitor of acetolactate synthetase, and medicament appears slower, needs the certain hour weeds just dead gradually.
Pyrazosulfuron is a kind of efficient sulfonylurea optional water field herbicidal.Active ingredient can be in water diffusion rapidly, be transmitted in the plant body hindered aminoacid synthetic after being absorbed by the root of weeds.Promptly suppress the growth of weeds leaves and stems and the stretching, extension of root, withered fully then.To rice safety.Better to control efficiency such as broad leaved weed, sedge weeds, undesirable to the grassy weed effect.
During the single use of oxazole acyl grass amine, penoxsuam, pyrazosulfuron, certain defective and limitation are arranged all.
Weed killer herbicide is rationally composite to be to improve preventive effect, expansion grass spectrum extremely, delays the speed of weed community succession, alleviates the pollution to environment, reduces a kind of effective ways of use cost and reduction herbicide residue.Inventor Dui oxazole acyl grass amine, penoxsuam, being mixed of pyrazosulfuron are furtherd investigate; Fa Xian oxazole acyl grass amine, penoxsuam, pyrazosulfuron are mixed on the basis of a large amount of indoor formulation screening tests and field medicine effect test; In certain mixed ratio scope, paddy field weed is shown obvious synergistic effect,, accomplished the present invention through further research.
Being mixed and using and still do not have report at present of oxazole acyl grass amine, penoxsuam, pyrazosulfuron.
Summary of the invention
The objective of the invention is to solve the deficiency that above-mentioned weed killer herbicide is single when using, provide a kind of efficient, low toxicity, low cost, quick-acting good, and the lasting period is long, helps the Herbicidal combinations of the paddy field annual weed comprehensive regulation.
Technical scheme of the present invention is: a kind of Herbicidal combinations, and by by imitating a part oxazole acyl grass amine, penoxsuam, pyrazosulfuron and suitable insecticides adjuvant to form.The percentage by weight of oxazole acyl grass amine in composition is 1%～45%, and the percentage by weight that the percentage by weight of penoxsuam in composition is 0.1%～20%, pyrazosulfuron swells in composition is 0.1%～15%.
Described Herbicidal combinations is processed into oil-suspending agent, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 1%～45%; Penoxsuam 0.1%～20%; Pyrazosulfuron swells 0.1%～15%, insecticides adjuvant: surfactant 1%～25%, antifoaming agent 0.1%～5%; Antifreezing agent 0.1%～5%, all the other are carrier.Described surfactant is one or more of calcium dodecyl benzene sulfonate, AEO, benzene ethylphenol APEO, lignosulfonates, APES or its phosphate, aerosol-OT salt, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid; Described antifoaming agent is an epoxidized soybean oil; Described antifreezing agent is a kind of in ethylene glycol, propane diols, the glycerine; Described carrier is one or more in organobentonite, white carbon, exquisite soybean oil, corn oil, rapeseed oil, turpentine oil, methyl oleate, cocoa butter, palm oil, the senior fatty hydrocarbon ils of methyl naphthalene.
The present invention is all right.
Described Herbicidal combinations is processed into water-dispersible granules, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 2%～45%; Penoxsuam 0.5%～20%; Pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～20%, all the other are carrier.
Described Herbicidal combinations is processed into wetting powder, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 3%～45%; Penoxsuam 0.5%～20%; Pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～20%, all the other are carrier.
Described Herbicidal combinations is processed into granule, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 3%～45%, and penoxsuam 0.5%～20%, pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～15%, all the other are carrier.
Described surfactant is one or more of neopelex, lauryl sodium sulfate, lignosulfonates, aliphatic alcohol sulfate, aliphatic alcohol polyethenoxy, sodium butylnaphthalenesulfonate, APES, naphthalenesulfonate formaldehyde condensation compound and polycarboxylic acid; Described carrier is one or more in kaolin, attapulgite, bentonite, diatomite, talcum powder, precipitated calcium carbonate, urea, the white carbon.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, repeats no more at this.
Herbicidal combinations provided by the invention is applied to prevent and kill off the paddy field annual weed.
Herbicidal combinations provided by the invention adopts the method for directed spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.
Herbicidal combinations provided by the invention has following beneficial effect.
1, Herbicidal combinations provided by the invention; In certain ratio range, show obvious synergistic effect; The control efficiency of composition is significantly improved than single agent, has reduced the using dosage of agricultural chemicals, has reduced the medication number of times; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, Herbicidal combinations provided by the invention, the combination of effective ingredient has enlarged herbicidal spectrum, and a drug can solve various weeds problems, defective and limitation when having remedied single agent and using.
3, Herbicidal combinations provided by the invention, the effective ingredient mechanism of action has nothing in common with each other, and can overcome the shortcoming that long-term single use is easy to generate resistance, prolongs the service life of medicament, and the comprehensive regulation of weeds resistance is had significance.
4, Herbicidal combinations provided by the invention, the drug effect performance is rapid, and the lasting period is long, and use cost is low, and is easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Description of drawings
Fig. 1 is an oil-suspending agent process chart of the present invention.
Fig. 2 is a water-dispersible granules process chart of the present invention.
Fig. 3 is a wetting powder process chart of the present invention.
Fig. 4 is a granule process chart of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only is used to describe the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
Embodiment 1(10% oxazole acyl grass amine penoxsuam pyrazosulfuron oil-suspending agent).
Oxazole acyl grass amine 6%, penoxsuam 2%, pyrazosulfuron 2%, benzene ethylphenol APEO 5%, sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5%, all the other add to 100% for exquisite soybean oil.
Above-mentioned material (except the organobentonite) is joined in the agitated reactor mixer together; Stirred 2 hours; Open pan feeding valve at the bottom of the still, material is injected multistage sand mill grind, the material fineness 98% after the grinding is through discharging behind the 1-5um; Material is put into the high-shear emulsifying still with the good organobentonite of prior dissolving again, promptly can be made into the good 10% oxazole acyl grass amine penoxsuam pyrazosulfuron oil-suspending agent of flowing to property after the emulsification.Fig. 1 is seen in concrete technological process.
Present embodiment is used to prevent and treat the rice direct seeding field annual weed: the more rice direct seeding field of experimental selection moleplant seed, barnyard grass grass and broad leaved weed carries out; 5 processing are established in experiment altogether; Handling 1 is 10% oxazole acyl grass amine penoxsuam pyrazosulfuron oil-suspending agent, and handling 2 is single agent 10% oxazole acyl grass amine oil-suspending agent, and handling 3 is single agent 2.5% penoxsuam oil-suspending agent; Handling 4 is single agent 10% pyrazosulfuron oil-suspending agent; Handle 5 and be contrast (not weeding of not dispenser), number of weeds amount and preventive effect are respectively handled in statistics and contrast after 15 days, and result of the test is seen table 1.
Table 1:10% oxazole acyl grass amine penoxsuam pyrazosulfuron oil-suspending agent field control effectiveness test result.
Embodiment 2(45% oxazole acyl grass amine penoxsuam pyrazosulfuron water dispersible granules).
Oxazole acyl grass amine 30%, penoxsuam 8%, pyrazosulfuron 7%, lauryl sodium sulfate 4%, polycarboxylic acid 5%, urea 40%, all the other add to 100% for kaolin.
Above-mentioned material added in the cone-type mixer together mix; After airslide disintegrating mill is pulverized; Material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% is kneaded into the plasticity material through 325 mesh standard sieves in the adding kneader; At last this material is put into the Squeezinggranulator extruder grain, granulation is after drying, screening promptly make 45% oxazole acyl grass amine penoxsuam pyrazosulfuron water dispersible granules.Fig. 2 is seen in concrete technological process.
Present embodiment is used to prevent and treat rice seedling throwing field annual weed: carry out in the more rice seedling throwing field of experimental selection moleplant seed, barnyard grass grass and broad leaved weed; 5 processing are established in experiment altogether; Handling 1 is 45% oxazole acyl grass amine penoxsuam pyrazosulfuron water dispersible granules, and handling 2 is single agent 25% oxazole acyl grass amine profit dispersible granule, and handling 3 is single agent 20% penoxsuam water dispersible granules; Handling 4 is single agent 20% pyrazosulfuron water dispersible granules; Handle 5 and be contrast (not weeding of not dispenser), number of weeds amount and preventive effect are respectively handled in statistics and contrast after 15 days, and result of the test is seen table 2.
Table 2:45% oxazole acyl grass amine penoxsuam pyrazosulfuron water dispersible granules field control effectiveness test result.
Embodiment 3(25% oxazole acyl grass amine penoxsuam pyrazosulfuron wetting powder).
Oxazole acyl grass amine 16%, penoxsuam 5%, pyrazosulfuron 4%, lauryl sodium sulfate 2%,
Sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, all the other add to 100% for kaolin.
Above-mentioned material added in the cone-type mixer together mix; After airslide disintegrating mill is pulverized; Material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% promptly gets 25% oxazole acyl grass amine penoxsuam pyrazosulfuron wetting powder through 325 mesh standard sieves.Fig. 3 is seen in concrete technological process.
Present embodiment is used to prevent and treat rice seedling throwing field annual weed: the more transplanted rice field of experimental selection moleplant seed, barnyard grass grass and broad leaved weed carries out; 5 processing are established in experiment altogether; Handling 1 is 25% oxazole acyl grass amine penoxsuam pyrazosulfuron wetting powder, and handling 2 is single agent 20% oxazole acyl grass amine wetting powder, and handling 3 is single agent 20% penoxsuam wetting powder; Handling 4 is single agent 10% pyrazosulfuron wetting powder; Handle 5 and be contrast (not weeding of not dispenser), number of weeds amount and preventive effect are respectively handled in statistics and contrast after 15 days, and result of the test is seen table 3.
Table 3:25% oxazole acyl grass amine penoxsuam pyrazosulfuron wetting powder field control effectiveness test result.
Embodiment 4 (4% oxazole acyl grass amine penoxsuam pyrazosulfuron granule).
Oxazole acyl grass amine 3%, penoxsuam 0. 5%, pyrazosulfuron 0.5%, lauryl sodium sulfate 4%, calcium lignosulfonate 5%, attapulgite 30%, all the other add to 100% for kaolin.
Above-mentioned material added in the cone-type mixer together mix, after airslide disintegrating mill is pulverized, the material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% promptly gets wetting powder through 325 mesh standard sieves.This wetting powder dropped in granulating disc add the water granulation,, promptly make the careless amine penoxsuam of 4% oxazole acyl pyrazosulfuron granule after drying is dry, screening, cooling cylinder cooling.Fig. 4 is seen in concrete technological process.
Present embodiment is used to prevent and treat the rice direct seeding field annual weed: the more rice direct seeding field of experimental selection moleplant seed, barnyard grass grass and broad leaved weed carries out; 5 processing are established in experiment altogether; Handling 1 is 4% oxazole acyl grass amine penoxsuam pyrazosulfuron granule, and handling 2 is single agent 4% oxazole acyl grass amine granule, and handling 3 is single agent 0.5% penoxsuam granule; Handling 4 is single agent 0.4% pyrazosulfuron granule; Handle 5 and be contrast (not weeding of not dispenser), number of weeds amount and preventive effect are respectively handled in statistics and contrast after 15 days, and result of the test is seen table 4.
Table 4:4% oxazole acyl grass amine penoxsuam pyrazosulfuron granule field control effectiveness test result.
Conclusion: can find out that through the foregoing description Herbicidal combinations of the present invention is outstanding to paddy field weed moleplant seed, barnyard grass grass, broad leaved weed drug effect, preventive effect has synergistic effect apparently higher than single agent oxazole acyl grass amine, penoxsuam, three kinds of effective ingredients combinations of pyrazosulfuron; No antagonism can enlarge and kill the grass spectrum simultaneously, and a dispenser can be prevented and kill off paddy field weed basically; Reduce spraying times; Slow down the generation of weeds resistance, good to rice safety property, be to prevent and kill off paddy field weed effect novel composition medicament preferably at present.
Claims (8)
1. Herbicidal combinations is characterized in that: effective ingredient is oxazole acyl grass amine, penoxsuam, pyrazosulfuron, and all the other are insecticides adjuvant.
2. Herbicidal combinations according to claim 1; It is characterized in that the percentage by weight of: oxazole acyl grass amine in composition is 1%～45%, the percentage by weight that the percentage by weight of penoxsuam in composition is 0.1%～20%, pyrazosulfuron swells in composition is 0.1%～15%.
3. Herbicidal combinations according to claim 1 is characterized in that: described Herbicidal combinations is processed into oil-suspending agent, and each component is weight percentage; Effective ingredient: oxazole acyl grass amine 1%～45%, penoxsuam 0.1%～20%, pyrazosulfuron grand 0.1%～15%; Insecticides adjuvant: surfactant 1%～25%; Antifoaming agent 0.1%～5%, antifreezing agent 0.1%～5%, all the other are carrier.
4. Herbicidal combinations according to claim 3 is characterized in that: described surfactant is one or more of calcium dodecyl benzene sulfonate, AEO, benzene ethylphenol APEO, lignosulfonates, APES or its phosphate, aerosol-OT salt, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid; Described antifoaming agent is an epoxidized soybean oil; Described antifreezing agent is a kind of in ethylene glycol, propane diols, the glycerine; Described carrier is one or more in organobentonite, white carbon, exquisite soybean oil, corn oil, rapeseed oil, turpentine oil, methyl oleate, cocoa butter, palm oil, the senior fatty hydrocarbon ils of methyl naphthalene.
5. Herbicidal combinations according to claim 1; It is characterized in that: described Herbicidal combinations is processed into water-dispersible granules, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 2%～45%; Penoxsuam 0.5%～20%; Pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～20%, all the other are carrier.
6. Herbicidal combinations according to claim 1; It is characterized in that: described Herbicidal combinations is processed into wetting powder, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 3%～45%; Penoxsuam 0.5%～20%; Pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～20%, all the other are carrier.
7. Herbicidal combinations according to claim 1; It is characterized in that: described Herbicidal combinations is processed into granule, and each component is weight percentage, effective ingredient: oxazole acyl grass amine 3%～45%; Penoxsuam 0.5%～20%; Pyrazosulfuron swells 0.5%～15%, and insecticides adjuvant: surfactant 1%～15%, all the other are carrier.
8. according to claim 5,6 or 7 described Herbicidal combinations, it is characterized in that: described surfactant is one or more of neopelex, lauryl sodium sulfate, lignosulfonates, aliphatic alcohol sulfate, aliphatic alcohol polyethenoxy, sodium butylnaphthalenesulfonate, APES, naphthalenesulfonate formaldehyde condensation compound and polycarboxylic acid; Described carrier is one or more in kaolin, attapulgite, bentonite, diatomite, talcum powder, precipitated calcium carbonate, urea, the white carbon.
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| CN201110254468XA CN102334495A (en) | 2011-08-31 | 2011-08-31 | Weeding composition |
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| CN201110254468XA CN102334495A (en) | 2011-08-31 | 2011-08-31 | Weeding composition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121877A (en) * | 2013-02-04 | 2013-05-29 | 广东中迅农科股份有限公司 | Penoxsulam and pyrazosulfuron pesticide fertilizer granule and preparation method thereof |
| CN104222130A (en) * | 2014-09-26 | 2014-12-24 | 安徽众邦生物工程有限公司 | Ternary weeding composition for paddy rice direct-seeding field |
| CN104304296A (en) * | 2014-10-09 | 2015-01-28 | 安徽丰乐农化有限责任公司 | Comprehensive weeding composition of paddy field |
| CN111034722A (en) * | 2020-01-16 | 2020-04-21 | 河南邦君农业科技有限公司 | Herbicide composition for paddy field |
| CN112155013A (en) * | 2020-10-14 | 2021-01-01 | 天津市汉邦植物保护剂有限责任公司 | Paddy field granules containing cyhalofop-butyl, metamifop and pyrazosulfuron-ethyl as well as preparation method and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121877A (en) * | 2013-02-04 | 2013-05-29 | 广东中迅农科股份有限公司 | Penoxsulam and pyrazosulfuron pesticide fertilizer granule and preparation method thereof |
| CN103121877B (en) * | 2013-02-04 | 2016-05-11 | 广东中迅农科股份有限公司 | Penoxsuam and pyrazosulfuron fertilizer granules and preparation method thereof |
| CN104222130A (en) * | 2014-09-26 | 2014-12-24 | 安徽众邦生物工程有限公司 | Ternary weeding composition for paddy rice direct-seeding field |
| CN104304296A (en) * | 2014-10-09 | 2015-01-28 | 安徽丰乐农化有限责任公司 | Comprehensive weeding composition of paddy field |
| CN104304296B (en) * | 2014-10-09 | 2016-07-06 | 安徽丰乐农化有限责任公司 | A kind of comprehensive Herbicidal combinations of rice terrace |
| CN111034722A (en) * | 2020-01-16 | 2020-04-21 | 河南邦君农业科技有限公司 | Herbicide composition for paddy field |
| CN112155013A (en) * | 2020-10-14 | 2021-01-01 | 天津市汉邦植物保护剂有限责任公司 | Paddy field granules containing cyhalofop-butyl, metamifop and pyrazosulfuron-ethyl as well as preparation method and application thereof |
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Application publication date: 20120201 |