CN101601404B - Weeding composition containing penoxsulam and bensulfuron-methyl - Google Patents
Weeding composition containing penoxsulam and bensulfuron-methyl Download PDFInfo
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- CN101601404B CN101601404B CN2009101817752A CN200910181775A CN101601404B CN 101601404 B CN101601404 B CN 101601404B CN 2009101817752 A CN2009101817752 A CN 2009101817752A CN 200910181775 A CN200910181775 A CN 200910181775A CN 101601404 B CN101601404 B CN 101601404B
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Abstract
The invention discloses a weeding composition containing penoxsulam and bensulfuron-methyl, which comprises active ingredient a and active ingredient b, wherein the active ingredient a is penoxsulam, the active ingredient b is bensulfuron-methyl, the weight ratio of the a to the b is 1-90:90-1; preferably, the weight ratio of the a to the b is 1-50:50-1, and particularly preferred, the weight ratio of the a to the b is 1-10:10-1. The active ingredients of the composition account for 8 to 95 percent of the total weight of the composition, and the balance is agriculturally acceptable pesticide adjuvant.
Description
Technical field
The invention belongs to the agriculture plant protection field, relate to a kind of the have Herbicidal combinations that improves performance, especially a kind of Herbicidal combinations that comprises penoxsuam and bensulfuron-methyl.
Background technology
In recent years, rice field develops rapidly by the weed killer herbicide kind, kind updates, perfect, the weed killer herbicides such as diphenyl ether, thiocarbamates, amide-type, quinoline carboxylic acid, sulfonylurea have successively been emerged in large numbers, form the comparatively perfect Chemical Weeding System that is adapted to the paddy rice different planting, become well stimulation indispensable, very important in world's Rice Production.But, along with numerous weed killer herbicide kinds continue to use in the rice field large tracts of land, also will certainly produce the problem that some need be faced and should conscientiously solve: be mainly that Weed Resistance is outstanding, wherein comparatively outstanding to the resistance of Stam F-34, dichloro quinolinic acid, butachlor, benthiocarb with barnyard grass, recently, the common weeds such as sedge family, Pontederiaceae, Alismataceae such as difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii, Monochoria vaginalis have produced resistance to sulfonylurea herbicide, make the weeding problem more complicated; Perennial weed harm becomes major issue, and particularly the sedge family perennial weed is more outstanding; Advanced age, the problem of preventing and kill off of barnyard grass and moleplant seed needed to solve; The herbicide spectrum of weed killer herbicide kind remains to be enlarged, and extends the lasting phase that soil is prevented and kill off medicament.Along with the Direct-seeding Rice area under cultivation constantly enlarges, for wide spectrum, selectivity, the demand of weed killer herbicide kind strong, easy to use is more urgent.
Bensulfuron-methyl belongs to traditional sulfonylurea herbicide, it is selectivity inner sucting conduction type herbicides for use in paddy, can effectively prevent and treat life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can be absorbed and pass to other positions by weeds root, leaf, but in long-term the use, rice field has produced certain resistance as sedge family, Alismataceae etc. to this weed killer herbicide, and drug effect reduces.
Penoxsuam is the rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass (comprising the barnyard grass to Stam F-34, dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds, as given birth to different stamen flower, carp intestines, sesbania, ring flower, Monochoria vaginalis etc. in natural pond.Simultaneously, it also can prevent and kill off anti-bensulfuron-methyl weeds in rice field, and many broad-leaveds and sedge weed and barnyard grass etc. are had to residual activity, is the widest kind of herbicide spectrum in weed killer herbicide for current rice field.Penoxsuam is translocated herbicide, through cauline leaf, young shoot and Root Absorption, by xylem and phloem, conducts to meristematic tissue, suppresses plant strain growth, makes the growing point chlorosis, and after processing, the 7-14d terminal bud reddens, necrosis, 2-4 week plant death.
Summary of the invention
The objective of the invention is the deficiency in actual applications for above-mentioned bensulfuron-methyl, a kind of herbicide composition for paddy fields with synergistic effect is provided, the plurality of advantages such as said composition has efficiently, low toxicity, low-residual, low cost, all have good preventive effect to grass family, sedge family and broad leaved weed.
Particularly, the invention provides a kind of Herbicidal combinations, said composition comprises two kinds of active components, active component a and active component b, wherein active component a is penoxsuam, and active component b is bensulfuron-methyl, and the weight ratio of a and b is 1～90: 90～1, preferably the weight ratio of a and b is 1～50: 50～1, and especially preferably the weight ratio of a and b is 1～10: 10～1.
In described composition, active component accounts for 8～95% of composition total weight, and surplus is the upper acceptable insecticides adjuvant of agricultural.
One or more mixtures and surface-active that on described agricultural, acceptable insecticides adjuvant is selected from carrier, adhesive, dispersant, protecting colloid, thickener, thixotropic agent, bleeding agent, stabilizing agent, chelating agent, dyestuff, colouring agent and polymer form jointly.
Described carrier is organic or inorganic, natural or synthetic material, and they contribute to using of active component.This carrier be generally inertia and must be that agricultural is upper acceptable, particularly processed plants is accepted.Described carrier can be solid, is selected from one or more the mixture in potter's clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer etc.; Or liquid, be selected from one or more the mixture in water, alcohols, ketone, petroleum cuts, aromatic hydrocarbons or wax hydrocarbon, chlorohydrocarbon, liquefied gas etc.Described carrier can be also the mixture of solid and liquid, and namely carrier is selected from one or more the mixture in potter's clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer, water, alcohols, ketone, petroleum cuts, aromatic hydrocarbons or wax hydrocarbon, chlorohydrocarbon, liquefied gas.
Described surfactant comprises emulsifier, dispersant or wetting agent, and this surfactant can be ionic or nonionic.Preferably; described surfactant be selected from polyacrylic salt, lignosulfonates, phenolsulfonic acid or naphthalene sulfonic acids salt, oxirane and fatty alcohol or with aliphatic acid or with the polymer of aliphatic amine and fortified phenol (particularly alkylphenol or aryl phenol); sulfosuccinate, one or more in the phosphate of taurine derivatives (particularly taurine alkane ester), alcohol phosphate or multi-hydroxy ethyl phenol.。
Composition provided by the invention can comprise at least one surfactant, to be conducive to the dispersion in water of active component in composition and to be conducive to make them can correctly be applied to plant, the weeds in the control crop.
Composition of the present invention also can mix with conventional solid and the liquid additive used in prior art, is prepared into the formulations such as water dispersible granules, wetting powder, granule, soluble powder, suspending agent.
Composition of the present invention can be prepared into solid form, and having of can mentioning is following several:
Water dispersible granules (content of its active component is generally higher, usually between 50%～90%), normally prepared by the agglomeration of wettable powder type composition in suitable granular system by water dispersible granules, make this formulation.
Wetting powder is generally with such method preparation, so that it contains 20～90% active component is as the criterion, except solid carrier, they generally contain 0～7% wetting agent, 3～10% dispersant, in case of necessity, then make it contain 0～10% one or more other additive, as dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Can prepare with following method by granule, be about to the active component of 5～40 weight portions, the stabilizing agent of 0.1～45 weight portion, and the carrier of 12～90 weight portions is mixed with and forms.There is no particular limitation to be suitable for prilling process of the present invention, can be the conventional method of manufacturing granular pesticide, as conventional method, can wet granulation, dry granulation, stirring granulation, extruding granulation etc., especially, utilize the extruding granulation can simple plate and manufacture at an easy rate granule.
Soluble powder generally, with such method preparation, so that its active component that contains 35-90% is as the criterion, is aided with carrier, appropriate amount of addition agent forms.
The composition that is suitable for liquid form of the present invention can be soluble liquid, suspending agent for example, it can prepare by following method: to obtain not forming sedimental stable fluid, be as the criterion, they generally pass through the active component of 4～85 weight portions, 0.5 the surfactant of～45 weight portions, the dyestuff that 0～10 weight portion is suitable, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent, the additive of bleeding agent or adhesive etc. is mixed with and forms, can add carrier in composition, carrier can be water or organic liquid, when active component indissoluble or water fast, some solid organic matter or mineral salt can be dissolved in liquid in order to contribute to sediments to form or as the antifreezing agent of water.
Above-mentioned composition of the present invention can be for preventing and treating paddy field weed, can be applied on the surface of pending plant in paddy field by the method for spraying, be applied to and cut weeds, the harmful weed infestation or easily invade and harass on the surface of impact on plant growth particularly, the amount of application of these compositions calculates with active component, amount of application is usually at 20～1800 g/has, and preferably 30～1200 g/has, 100-1100 g/ha more preferably.
While jointly using, obtained unforeseeable synergistic effect when compound (a) and compound (b).The specific activity of above-mentioned Herbicidal combinations is used the activity expection summation of single weed killer herbicide, and single weed killer herbicide (a) and independent activity (b) more remarkable.Synergistic effect show as wider weeds control spectrum, the faster onset of herbicide effect, more lasting control efficiency, by once or minority use several times just can control better and be harmful to crop and widened possible dispenser interval.These characteristics are that weeds are controlled in practice process needed.
In addition, Herbicidal combinations of the present invention has following advantage:
1, the broad weed-killing spectrum of herbicidal composition of the present invention, penoxsuam has made up bensulfuron-methyl the common weeds such as sedge family, Pontederiaceae, Alismataceae such as difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii, Monochoria vaginalis has been produced to resistance, and the low shortcoming of preventive effect, improve herbicide spectrum and preventive effect, only needed a drug just can prevent and treat the harm of multiple grassy weed, broad leaved weed, sedge weed and there is certain effect of increasing production;
3, the herbicidal composition drug effect lasting period of the present invention long, as the preventive effect to barnyard grass, moleplant seed, after general dispenser 30～42 days, the fresh weight preventive effect still reached 75%～85%, has reduced spraying times, had widened dispenser interval;
4, herbicidal composition low toxicity of the present invention, during use to paddy growth safety, in crop and soil the residence time short, without accumulation toxicity;
5, herbicidal composition cost of the present invention is low, easy to use, and it applies huge economic benefit and social benefit.
Embodiment
The following example unrestricted the present invention, and just be used for illustrating how the present invention realizes.For some weeds, these embodiment demonstrate significant especially validity.
One, example of formulations
Embodiment 1. prepares granule (the raw material umber sum for preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 70 weight portions (bensulfuron-methyls of 32 weight portion penoxsuams+38 weight portions); the calcium stearate of the polyvinyl alcohol of the atoleine of 6 weight portions, 4 weight portions, 3 weight portions; the clay of surplus; above-mentioned substance is mixed to get to 100 parts of mixture of powders, and adds appropriate water, mix with small-sized kneader; carry out again granulation; with dry after the whole grain of pelletizing machine, sieve, can obtain said preparation.
Embodiment 2. prepares suspending agent (the raw material umber sum for preparing agricultural chemicals is 100 parts)
The activity of 40 weight portions is to mixture (bensulfuron-methyls of the penoxsuam of 18 weight portions+22 weight portions), the carboxymethyl cellulose of 5 weight portions (as thickener), the propane diols of 3 weight portions (as antifreezing agent), the calcium lignosulfonate of 10 weight portions (as wetting dispersing agent), and the water of surplus, make this mixture by master operations such as mixing, stirring, sand millings.
Embodiment 3. prepares water dispersible granules (the raw material umber sum for preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 75 weight portions (bensulfuron-methyls of the penoxsuam of 32 weight portions+43 weight portions), 5 weight account polyethylene alcohol, the Sodium Laurylsulfate of 2 weight portions, the kaolin of 6 weight portion wooden calcium sulfonates and surplus.
After mentioned component is mixed, in bolt type dish formula flour mill, wear into fine powder, powder is made it to granulation by spraying as the water of granulation liquid in fluid bed.
Embodiment 4. prepares wetting powder (the raw material umber sum for preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 45 weight portions (bensulfuron-methyls of the penoxsuam of 35 weight portions+10 weight portions), the glycerine of 3 weight portion Fluhyzon formaldehyde condensation products sodium sulfonates, 5 weight portion neopelexes, 2 weight portions, the surplus White Carbon black is mixed, through ultramicro grinding, make powder reach fineness requirement, and use double helical form mixer and coulter type mixer through repeatedly mixing, make Product mix even, thereby make this high-load formulation.
Two, the test of pesticide effectiveness
Embodiment 5. composition of the present invention is prevented and kill off the fresh weight preventive effect of rice direct-seeding field weed.
During dispenser, weeds 2～3 leaf phase dispensers.After medicine, investigation in 28 days is to weeds fresh weight preventive effect (table 1).
Table 1, weed killer herbicide of the present invention are to the preventive effect of rice direct-seeding field weed (after medicine 28 days)
Above treatment dosage is to the equal safety of paddy growth.
Embodiment 6. weed killer herbicide of the present invention is prevented and kill off rice seedling bed weeds result of the test (in Table 2) after 25 days:
The preventive effect of the weed killer herbicide of the present invention of the different proportionings of table 2. and formulation to the rice seedling bed weeds
As can be seen from the above table, component (a) and the composition (b) formed, have good herbicidal effect for conventional weeds such as rice seedling bed flat bar Fischer grass, Monochoria vaginalis, barnyard grasses, and above processing is to the equal safety of rice seedling.
Composition and method of making the same of the present invention is described by specific embodiment.Those skilled in the art can use for reference the links such as content appropriate change raw material of the present invention, process conditions and realize corresponding other purpose, its relevant change does not all break away from content of the present invention, within all similar replacements and change will become apparent to those skilled in the art that and all be deemed to be included in scope of the present invention.
Claims (4)
1. a Herbicidal composition for rice field, its formulation is granule, it is grouped into by the one-tenth of following weight portion:
The penoxsuam of 32 weight portions,
The bensulfuron-methyl of 38 weight portions,
The atoleine of 6 weight portions,
The polyvinyl alcohol of 4 weight portions,
The calcium stearate of 3 weight portions,
Surplus is clay.
2. a Herbicidal composition for rice field, its formulation is suspending agent, it is grouped into by the one-tenth of following weight portion:
The penoxsuam of 18 weight portions,
The bensulfuron-methyl of 22 weight portions,
The carboxymethyl cellulose of 5 weight portions,
The propane diols of 3 weight portions,
The calcium lignosulfonate of 10 weight portions,
Surplus is water.
3. a Herbicidal composition for rice field, its formulation is water dispersible granules, it is grouped into by the one-tenth of following weight portion:
The penoxsuam of 32 weight portions,
The bensulfuron-methyl of 43 weight portions,
The polyvinyl alcohol of 5 weight portions,
The Sodium Laurylsulfate of 2 weight portions,
The calcium lignosulfonate of 6 weight portions,
Surplus is kaolin.
4. the described Herbicidal combinations of claim 1-3 any one is used for the purposes of preventing and treating paddy field weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101817752A CN101601404B (en) | 2009-07-23 | 2009-07-23 | Weeding composition containing penoxsulam and bensulfuron-methyl |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101817752A CN101601404B (en) | 2009-07-23 | 2009-07-23 | Weeding composition containing penoxsulam and bensulfuron-methyl |
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| CN101601404A CN101601404A (en) | 2009-12-16 |
| CN101601404B true CN101601404B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101817752A Expired - Fee Related CN101601404B (en) | 2009-07-23 | 2009-07-23 | Weeding composition containing penoxsulam and bensulfuron-methyl |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101642123B (en) * | 2009-08-24 | 2013-06-05 | 陕西上格之路生物科学有限公司 | Herbicide composition for paddy fields |
| US9179679B2 (en) | 2010-02-03 | 2015-11-10 | Dow Agrosciences Llc | Synergistic herbicidal composition containing penoxsulam and flazasulfuron |
| CN101897339B (en) * | 2010-08-20 | 2013-09-11 | 陕西上格之路生物科学有限公司 | Herbicide composition containing cinosulfuron and penoxsulam |
| CN102217627B (en) * | 2011-05-06 | 2013-11-27 | 浙江泰达作物科技有限公司 | Penoxsulam and ethoxysulfuron compound herbicide suspension and preparation method thereof |
| CN103371161B (en) * | 2012-04-28 | 2016-08-03 | 陕西韦尔奇作物保护有限公司 | A kind of Herbicidal combinations containing AC322140 |
| CN103113154B (en) * | 2013-02-02 | 2016-05-18 | 广东中迅农科股份有限公司 | A kind of fertilizer granules of preventing and kill off paddy field weed 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 |
| CN103214301B (en) * | 2013-03-25 | 2016-05-11 | 广东中迅农科股份有限公司 | Granule of a kind of dichloro quinolinic acid and bensulfuron-methyl and preparation method thereof |
| CN103202309B (en) * | 2013-04-28 | 2015-01-28 | 江苏龙灯化学有限公司 | Compound herbicide composition |
| CN104041503B (en) * | 2014-04-30 | 2016-08-31 | 浙江天丰生物科学有限公司 | For rice terrace and the Herbicidal combinations in Rhizoma Nelumbinis field |
| CN104719316A (en) * | 2015-03-09 | 2015-06-24 | 新疆天业（集团）有限公司 | Compound and mixed herbicide special for paddy rice under drip irrigation with mulch |
| CN109221192A (en) * | 2018-10-15 | 2019-01-18 | 安徽圣丰生化有限公司 | A kind of herbicidal composition and preparation method thereof containing penoxsuam |
| CN109673662A (en) * | 2018-12-18 | 2019-04-26 | 李明星 | Ternary herbicidal composition and its preparation and application |
| CN112088890A (en) * | 2020-10-22 | 2020-12-18 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing oxaziclomefone, bensulfuron methyl and penoxsulam |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530105A (en) * | 2009-04-21 | 2009-09-16 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing sulfonylurea, pyridine and penoxsulam and use thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530105A (en) * | 2009-04-21 | 2009-09-16 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing sulfonylurea, pyridine and penoxsulam and use thereof |
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