CN103081937A - Compound weeding composition of pretilachlor and pyrazosulfuron-ethyl and granules of composition - Google Patents
Compound weeding composition of pretilachlor and pyrazosulfuron-ethyl and granules of composition Download PDFInfo
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Abstract
The invention discloses a weeding composition and granules thereof. The weeding composition consists of pretilachlor and pyrazosulfuron-ethyl, wherein the mass ratio of the pretilachlor to the pyrazosulfuron-ethyl is (1-5): (0.1-0.2), preferably 2: (0.1-0.2). The granules take the weeding composition as an active ingredient, and comprise the following components in percentage by mass: 1 to 5 percent of pretilachlor, 0.1 to 0.2 percent of pyrazosulfuron-ethyl, 5 to 10 percent of dispersant, 2 to 10 percent of wetting agent, 0 to 10 percent of disintegrating agent, 0 to 3 percent of adhesive, 0 to 5 percent of adsorbent, and the balance of filler. The compound granules containing the pretilachlor and the pyrazosulfuron-ethyl can be applied at one time, the weeding spectrum is expanded, the application uniformity is improved, the effect is improved, the lasting period is prolonged, the consumption and the using cost are reduced, and environmental pollution caused by application is reduced at the same time.
Description
Technical field
The present invention relates to composite Herbicidal combinations and the preparation thereof of a kind of third careless amine and pyrazosulfuron.
Background technology
The third careless amine (Pretilachlor) has another name called and sweeps Fu Te.Chemical name: 2-chloro-N-(1-methyl-2-methoxyethyl)-N-(2-ethyl-6-aminomethyl phenyl) acetamide, CAS NO.:51218-49-6, molecular formula: C17H26C1NO2, chemical structural formula is:
The third careless amine is the selectivity preemergence herbicide that Switzerland Novartis Co.,Ltd (NOVARTIS) develops.Main direct interference weeds body internal protein is synthetic, and photosynthetic and respiration are had remote-effects by plant hypocotyl, mesocotyl and coleoptile absorption, causes weeds dead.And paddy rice has stronger capacity of decomposition to the third careless amine, thereby has certain selectivity.The third careless amine can effectively be prevented and kill off annual gramineae grass and the part broad leaved weed in rice field, as barnyard grass, Monochoria vaginalis, water amaranth Lay etc., but to the sedge weed weak effect.
Pyrazosulfuron (Pyrazosulfuron-ethyl) has another name called careless jinx, Mercury, Han Lexing.Chemical name: 5-(4,6-dimethoxypyridin base-2-carbamyl amine sulphonyl)-1-methylpyrazole base-4-Ethyl formate, CAS NO.:93697-74-6, molecular formula: C14H18N6O7S, chemical structural formula is:
Pyrazosulfuron is to inhale the conduction weed killer herbicide in a kind of efficient sulfonylurea selectivity.It is by being absorbed by weeds root and blade, and transfer to weeds each ones, by suppressing the activity of acetolactate synthestase, make the branched-chain amino acid biosynthesis block, the biosynthesis of hindered aminoacid, lysine, isoleucine, stop division and the growth of cell, cause the weed growth function to be obstructed, make weeds downright bad.To rice safety.Its herbicide spectrum is applicable to prevent and kill off the broad leaved weed in rice field, as Monochoria vaginalis, pondweed, mexicana, Procumbent Falsepimpernel etc., reaches sedge weed such as fescue, difformed galingale herb, Herba Cyperi Glomerati, cyperus iria etc.But to preventing and kill off the active low of barnyard grass in paddy field, application can not be prevented and kill off grass family in the rice field, broad-leaved section and sedge weed fully separately.
At present, agent for removing grass in paddy field adopts two chloroquine phosphoric acid, mefenacet, the third careless amine, pyrazosulfuron etc. usually.Wherein the third former medicine of careless amine is liquid under normal temperature condition, is easy to be processed into missible oil, and there are the problems such as operation inconvenience in the peasant by to water or mix local method and use.And because the aromatic hydrocarbons organic solvent is fine to the dissolubility of pesticide original medicine, the missible oil product adopts the aromatic hydrocarbons organic solvent to process mostly, but the aromatic hydrocarbons organic solvent has been listed in the environmental monitoring material at present, this formulation of missible oil is faced with progressively is eliminated or substituted situation.
And pyrazosulfuron is mainly with single dose or be mixed and be processed into wetting powder.The weak point of wetting powder is easily to occur medicinal powder and flies upward when preparation is sprayed, operating personnel worked the mischief, and the interior remaining medicinal powder contaminated environment of packaging bag.
The rice in north china transplant field has obtained fast development in the eighties of last century the eighties along with the use of dry-raising and sparse-planting technology and weed killer herbicide.Paddy land weed is different because of Planting Years, and weeds generation kind is variant; And due to the rice in north china continuous cropping, irrational use weed killer herbicide and farming measures problem increase the paddy field intractable weed, and harm increases the weight of.Weeds have expanding, endanger the trend that increases the weight of.Need two or more herbicide mixture in production practices, to solve the harm of rice transplanting field weed.The third careless amine is better to the annual gramineous weed effect, pyrazosulfuron is better to the broad leaved weed preventive effect, in order to remove weeds, often needs the complementary use of these two kinds of raw materials, but in practical operation, both dispensers simultaneously need certain interval of time to use, and have increased like this spraying times, increased peasant's labour intensity, and due in the dispenser process, spray, peasant's health is worked the mischief.
Summary of the invention
The objective of the invention is a kind of Herbicidal combinations and granule thereof that contains the third careless amine and pyrazosulfuron.
Herbicidal combinations provided by the present invention, formed by the third careless amine (Pretilachlor) and pyrazosulfuron (Pyrazosulfuron-ethyl), wherein, the mass ratio of the described third careless amine and pyrazosulfuron is 1～5: 0.1～0.2, and the preferred mass ratio is 2: 0.1～0.2.
Granule is a kind of use pesticides new formulation extremely easily, is for proposing under the specific environment that water is arranged in paddy field.Directly granule is evenly shed in the paddy field during use, the active ingredient in granule can be caved in and discharge along with particle, and by the diffusant effect, evenly diffusion towards periphery makes active ingredient contact target, the performance drug effect.Therefore, the present invention also provides a kind of herbicide granule take described Herbicidal combinations as active ingredient.
Granule provided by the present invention, its composition comprises the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%.
Preferably include the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%.
Granule provided by the present invention, its composition can further comprise the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%; Wherein, the content of described disintegrant, binding agent, adsorbent is not 0 simultaneously.
Preferably include the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%; Wherein, the content of described disintegrant, binding agent, adsorbent is not 0 simultaneously.
According to preparation method's difference, also can comprise the appropriate auxiliary agent that is used for dissolving the third careless amine and pyrazosulfuron in described granule.Described auxiliary agent can be one or more the mixture in fatty acid methyl ester (CE-810K), the vegetable oil that methylates, 2-butyl acetate, palm oil, epoxidized soybean oil, carrene and acetone.
Certainly, described granule also can be only be comprised of the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%.
Or only be comprised of the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%; The content of described disintegrant, binding agent, adsorbent is not 0 simultaneously.
Wherein, described dispersant specifically can be one or more the mixture in alkylnaphthalene sulfonate formaldehyde condensation products (as Morwet D-425, Tersperse2425), polycarboxylate comb copolymer (as Tersperse2700, Geropon T/36), sodium methylene bis-naphthalene sulfonate, butyl naphthalene sulfonate, methyl naphthalene sulfonic acid salt formaldehyde condensation products, sodium lignin sulfonate and dodecyl sodium sulfonate calcium.
Described wetting agent specifically can be one or more the mixture in lauryl sodium sulfate, alkylnaphthalene sulfonate (as Morwet EFW), octyl phenol polyoxy ethene (10) ether, polysorbate ester type compound (as polysorbas20, polysorbate40, polysorbate60, Tween 80 etc.).
Described disintegrant specifically can be one or more the mixture in microcrystalline cellulose, cross-linked carboxymethyl cellulose sodium, sodium carboxymethyl starch and crospolyvinylpyrrolidone.
Described binding agent is one or more the mixture in sodium carboxymethylcellulose, polyvinylpyrrolidone, polyvinyl alcohol, gum Arabic, lactose and dextrin.
Described adsorbent is one or more the mixture in white carbon, diatomite, silica gel, aluminium oxide, molecular sieve and clay.
Described filler is the mixture of one or more mixing in kaolin, bentonite, anhydrous slufuric acid ammonium, anhydrous sodium sulfate, fine particle calcium carbonate, talcum powder and corn starch.
The preparation method of above-mentioned granule comprises following three kinds:
The former medicine that (1) will contain effective composition the third careless amine forms powder after adding appropriate adsorbent absorption, then this powder, active ingredient pyrazosulfuron, dispersant, wetting agent, disintegrant, binding agent and filler are mixed, be ground into powder through micro jet, then add water and mix the female powder of formation; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
The former medicinal appropriate amount of addition agent that (2) will contain the careless amine of effective composition third and pyrazosulfuron is dissolved into mother liquor; Dispersant, wetting agent, disintegrant, binding agent and the filler of aequum are mixed, be ground into powder through micro jet, add above-mentioned mother liquor to mix, add at last the water mixing and form female powder; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
(3) the active ingredient pyrazosulfuron is mixed with dispersant, wetting agent, disintegrant, binding agent and the filler of aequum, be ground into powder through micro jet, add the careless amine of active ingredient third to mix, add at last and form female powder after the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Contain the careless amine of active ingredient third and pyrazosulfuron in granule of the present invention, the consumption of the third careless amine accounts for 1%～5% in granule, preferable amount 2%.The consumption of pyrazosulfuron accounts for 0.1%～0.2% in granule, its consumption drug effect very little is not obvious, the too high easy generation poisoning of consumption, and increase cost, preferable amount 0.2%; Consider that simultaneously pyrazosulfuron easily produces poisoning to crop, the ratio of the third careless amine and pyrazosulfuron was advisable between 2.0: 0.1～2.0: 0.2.
Herbicidal combinations provided by the invention and herbicide granule are applicable to prevent and kill off rice field or seedlings rice seedling Tanaka's grass family, broad-leaved section and sedge weed.
Granule of the present invention has following advantage compared to existing technology:
1, broad weed-killing spectrum.Site of action due to two kinds of weed killer herbicides in the weeds body is different, has therefore improved the herbicide effect.Can effectively prevent and kill off all weeds in the rice field, comprise grass family, broad-leaved section and sedge weed, overcome pyrazosulfuron to preventing and kill off the active low defective of barnyard grass in paddy field, solve most of weeds problem in rice field.
2, the third careless amine with have synergistic effect after pyrazosulfuron mixes, control efficiency is better than single dose, has reduced the usage amount of every kind of active substance, delays generation and the succession of community of herbicide resistance.The third careless amine is prevented and kill off paddy field weed (barnyard grass) test of pesticide effectiveness and is seen Table 1 with after pyrazosulfuron mixes.
Table 1
By as seen from Table 1, the third careless amine and pyrazosulfuron are mixed, and consumption is few, and preventive effect can reach 100%.
3, easy to use, avoided existing mixed existing using and the secondary dispenser in agricultural production process.It is extremely convenient that granule of the present invention uses, and need not spraying or mix soil and spread fertilizer over the fields, and directly granule is sprinkled into the paddy field and gets final product, and effectively reduces labor intensity.
4, the pollution of organic solvent to environment in missible oil avoided in formulation environmental protection.
5, safety is good, to rice safety.
Embodiment
The present invention will be described below by specific embodiment, but the present invention is not limited thereto.
Experimental technique described in following embodiment if no special instructions, is conventional method; Described reagent and material if no special instructions, all can obtain from commercial channels.
Embodiment 1, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 2.0%, pyrazosulfuron is 0.1%, NNO (sodium methylene bis-naphthalene sulfonate) 10%, K12 (lauryl sodium sulfate) 3%, anhydrous sodium sulfate 25%, ammonium sulfate 25%, CE-810K (fatty acid methyl ester, its consumption is in 10 times of the pyrazosulfuron quality) and acetone (its consumption is in 20 times of the pyrazosulfuron quality), kaolin supplies 100%.
(2) preparation method:
According to the above-mentioned raw materials proportioning, with CE-810K and acetone, the third careless amine and pyrazosulfuron are dissolved as mother liquor; Then NNO, K12, anhydrous sodium sulfate, ammonium sulfate and kaolin are dropped into mixing in blender, be ground into powder through micro jet, add above-mentioned mother liquor to mix, form female powder after adding at last the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 2, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 3.0%, pyrazosulfuron is 0.1%, Morwet D-425 (alkylnaphthalene sulfonate formaldehyde condensation products) 10%, K12 (lauryl sodium sulfate) 3%, anhydrous sodium sulfate 25%, ammonium sulfate 25%, bentonite 31.9%, white carbon 2%.
(2) preparation method:
According to the above-mentioned raw materials proportioning, first with white carbon, the third careless amine absorption is mixed into powder; After this powder, pyrazosulfuron, Morwet D-425, K12, anhydrous sodium sulfate, ammonium sulfate and bentonite are dropped into mixing in blender, be ground into powder through micro jet, after form female powder after adding the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 3, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 1.0%, pyrazosulfuron is 0.2%, Tersperse2700 (polycarboxylate comb copolymer) 6%, OP-10 (octyl phenol polyoxy ethene (10) ether) 2%, anhydrous sodium sulfate 25%, diatomite 5%, corn starch 60.8%.
(2) preparation method:
According to the above-mentioned raw materials proportioning, Tersperse2700, anhydrous sodium sulfate, diatomite and the corn starch of active ingredient pyrazosulfuron and aequum are dropped into mixing in blender, be ground into powder through micro jet, add the third careless amine and OP-10 to mix, add at last and form female powder after the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 4, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 4.0%, pyrazosulfuron is 0.2%, sodium lignin sulfonate 10%, K30 (polyvinylpyrrolidone) 3%, anhydrous sodium sulfate 20%, ammonium sulfate 20%, corn starch 20%, palm oil (its consumption is in 10 times of the pyrazosulfuron quality) and acetone (its consumption is in 20 times of the pyrazosulfuron quality), talcum powder supplies 100%.
(2) preparation method:
According to the above-mentioned raw materials proportioning, with palm oil and acetone, the third careless amine and pyrazosulfuron are dissolved as mother liquor; Then sodium lignin sulfonate, K30, anhydrous sodium sulfate, ammonium sulfate, talcum powder and corn starch are dropped into mixing in blender, be ground into powder through micro jet, add above-mentioned mother liquor to mix, form female powder after adding at last the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 5, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 5.0%, pyrazosulfuron is 0.1%, Geropon T/36 (polycarboxylate comb copolymer) 10%, Morwet EFW (alkylnaphthalene sulfonate) 3%, anhydrous sodium sulfate 35%, aluminium oxide 5%, kaolin 41.9%.
(2) contain the preparation method of the granule of the third careless amine and pyrazosulfuron:
According to the above-mentioned raw materials proportioning, first with aluminium oxide, the third careless amine absorption is mixed into powder; After this powder, pyrazosulfuron, Geropon T/36, Morwet EFW, anhydrous sodium sulfate, kaolin are dropped into mixing in blender, be ground into powder through micro jet, after form female powder after adding the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 6, preparation contain the granule of the third careless amine and pyrazosulfuron
(1) formula:
The granule that contains the third careless amine and pyrazosulfuron, raw material by following quality percentage composition forms: the third careless amine 2.0%, pyrazosulfuron is 0.2%, Tersperse2425 (alkylnaphthalene sulfonate formaldehyde condensation products) 10%, K12 (lauryl sodium sulfate) 3%, anhydrous sodium sulfate 30%, fine particle calcium carbonate 9.8%, corn starch 40%, sodium carboxymethyl starch 5%
(2) preparation method:
According to the above-mentioned raw materials proportioning, Tersperse2425, K12, anhydrous sodium sulfate, fine particle calcium carbonate, sodium carboxymethyl starch and the corn starch of active ingredient pyrazosulfuron and aequum are dropped into mixing in blender, be ground into powder through micro jet, add the third careless amine to mix, add at last and form female powder after the water mixing; Female powder by granulator granulation, drying, is sieved by sample analysis qualified can the packing.
Embodiment 7, biological Examples
(1) for the examination weed killer herbicide
53% mefenacet bensulfuron-methyl wetting powder (Jiangsu Kuaidaagricultural Chemical Co., Ltd, commercial)
The preparation of embodiment 1 preparation: the 2.1% the third metazachlor Sulfometuron Methyl granules (mass ratio 2: 0.1)
(2) for the examination weeds
Barnyard grass, flat bar Fischer grass, firefly Lin
(3) implementation method
The test of pesticide effectiveness:
Adopt according to table 3 dispenser dosage and directly shed method, during dispenser, the field water conservation is 4～6 centimeters, and after dispenser, lasting water conservation was not arranged and do not filled with in 7 days, changed later on normal management over to.
Table 3 reagent agent experimental scheme
| Process number | Medicament | Formulation rate (preparation) | Dispenser dosage (effective ingredient) |
| A | The 2.1% the third phonetic granules of metazachlor | 1000 g/acres | 315 g/has |
| B | The 2.1% the third phonetic granules of metazachlor | 2000 g/acres | 630 g/has |
| C | The 2.1% the third phonetic granules of metazachlor | 3000 g/acres | 945 g/has |
| D | The 2.1% the third phonetic granules of metazachlor | 4000 g/acres | 1260 g/has |
| E | The 53% phonetic wetting powder of benzene thiophene benzyl | 80 g/acres | 636 g/has |
| F | Blank | (grass being arranged without medicine) | - |
| G | Artificial weeding | Artificial uprooting weed 3 times | - |
After dispenser, the variation of residential quarter is processed in visual observations test at any time, and establishes three points for investigation at every treatment region diagonal, 0.25 meter of every points for investigation
2(contrast is adopted has careless treatment region without medicine) investigated respectively remaining weeds kind and strain number in 15 days, 35 days after dispenser, and investigation adds survey weeds relic fresh weight the last time, with there is careless check plot relatively without medicine, calculates preventive effect and herbicide spectrum.
Drug effect computational methods: preventive effect (%)=((CK-PT)/CK) * 100%, and the significance of difference between employing variance analysis processing and contrast and processing and processing.
Safety testing:
The artificial weeding treatment region is total to uprooting weed 3 times the time of infertility, is used for the safety of sampling and measuring Rice Growing.Estimate at any time treatment region paddy rice growing way, appearance and leaf look after dispenser, and establish three points for investigation at every treatment region, establish 10 cave rice seedlings at every, investigated Plant Height of Rices and tillered in 15 days after dispenser, and survey in rice maturity sampling species test and produce, with artificial weeding check plot comparison, adopt the variance analysis significance of difference, estimate the safety to paddy growth.
(4) test of pesticide effectiveness results and analysis
It is remarkable that contrast medicament 53% mefenacet bensulfuron-methyl wetting powder is wiped out and treated insect pests and plant diseases the barnyard grass effect, but relatively poor to sedge weed preventive effects such as perennial malignant weed-flat bar Fischer grass, firefly Lins, with test medicine the 2.1% the third metazachlor Sulfometuron Methyl granules relatively, the herbicide spectrum is obviously narrow, and comparing difference reaches significance level between the two.See Table 4～6.
15 days effects after table 42.1% the third phonetic granule killing weeds in rice field of metazachlor medicine
35 days effects after table 52.1% the third phonetic granule killing weeds in rice field of metazachlor medicine
35 days (fresh weight) effects after table 62.1% the third phonetic granule killing weeds in rice field of metazachlor medicine
In sum, the drug effect lasting period of the 2.1% the third metazachlor Sulfometuron Methyl granules is longer, investigation in 35 days after dispenser, and 3000 g/acres of dosages, comprehensive herbicidal effect still reaches 97.6%.
(5) to Rice Growing safety testing result
The third careless amine and pyrazosulfuron are mixed, and carry out the rice safety test.Investigation in 15 days after dispenser, the 2.1% the third phonetic granule treatment of metazachlor district Plant Height of Rices, tiller, growing way, appearance and artificial weeding check plot comparing difference not remarkable.2.1% the third 4000 g/acres of A large number inoculation districts of the phonetic granule of metazachlor and artificial weeding are processed and other is processed relatively, and birth index difference is not remarkable.
The rice maturity sampling is surveyed through indoor species test and is produced, and test treatment region output and artificial weeding treatment region compare, and statistical data Analysis of variance difference is not remarkable, and between all are processed, the mutual comparing difference of output is not remarkable yet.See Table 7.
Table 72.1% the third phonetic granule of metazachlor is to Rice Growing Security test result
As can be seen from Table 7, the third careless amine and pyrazosulfuron are composite high to Security of rice.
The listed granule formula of above-described embodiment 1～6 is not the restriction to aforementioned each component material of the present invention and proportioning thereof, but only content of the present invention is further described.
The invention discloses a kind of complex weedicide, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is, all similarly replace and change apparent to those skilled in the art, and they all are deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, the related personnel obviously can change methods and applications as herein described within not breaking away from content of the present invention, spirit and scope or suitably change and combination, realizes and the application invention technology.
Claims (10)
1. a Herbicidal combinations, be comprised of the third careless amine and pyrazosulfuron, and wherein, the mass ratio of the described third careless amine and pyrazosulfuron is 1～5: 0.1～0.2.
2. Herbicidal combinations according to claim 1, it is characterized in that: the mass ratio of the described third careless amine and pyrazosulfuron is 2: 0.1～0.2.
3. herbicide granule, its composition comprises the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%;
Preferably include the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%.
4. herbicide granule according to claim 3, it is characterized in that: the composition of described herbicide granule comprises the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%;
Preferably include the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%;
Wherein, the content of described disintegrant, binding agent, adsorbent is not 0 simultaneously.
5. herbicide granule according to claim 3, it is characterized in that: described granule is comprised of the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%;
Preferably by the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, filler complement to 100%.
6. herbicide granule according to claim 4, it is characterized in that: described granule is comprised of the component of following quality percentage composition: the third careless amine 1～5%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%;
Preferably include the component of following quality percentage composition: the third careless amine 2%, pyrazosulfuron 0.1～0.2%, dispersant 5～10%, wetting agent 2～10%, disintegrant 0～10%, binding agent 0～3%, adsorbent 0～5%, filler complement to 100%;
Wherein, the content of described disintegrant, binding agent, adsorbent is not 0 simultaneously.
7. the described herbicide granule of any one according to claim 3-6 is characterized in that: described dispersant is one or more the mixture in alkylnaphthalene sulfonate formaldehyde condensation products, polycarboxylate comb copolymer, sodium methylene bis-naphthalene sulfonate, butyl naphthalene sulfonate, methyl naphthalene sulfonic acid salt formaldehyde condensation products, sodium lignin sulfonate and dodecyl sodium sulfonate calcium;
Described wetting agent is one or more the mixture in lauryl sodium sulfate, alkylnaphthalene sulfonate, octyl phenol polyoxy ethene (10) ether, polysorbate ester type compound;
Described disintegrant is one or more the mixture in microcrystalline cellulose, cross-linked carboxymethyl cellulose sodium, sodium carboxymethyl starch and crospolyvinylpyrrolidone;
Described binding agent is one or more the mixture in sodium carboxymethylcellulose, polyvinylpyrrolidone, polyvinyl alcohol, gum Arabic, lactose and dextrin;
Described adsorbent is one or more the mixture in white carbon, diatomite, silica gel, aluminium oxide, molecular sieve and clay;
Described filler is the mixture of one or more mixing in kaolin, bentonite, anhydrous slufuric acid ammonium, anhydrous sodium sulfate, fine particle calcium carbonate, talcum powder and corn starch.
8. according to claim 3 or 4 described herbicide granules is characterized in that: the composition of described granule also comprises the auxiliary agent for dissolving the third careless amine and pyrazosulfuron; Described auxiliary agent is fatty acid methyl ester, one or more the mixture in the vegetable oil that methylates, 2-butyl acetate, palm oil, epoxidized soybean oil, carrene and acetone.
9. the method for preparing the described granule of any one in claim 3-8 comprises following three kinds:
Method one: form powder after the described third careless amine is adsorbed with described adsorbent, described powder, pyrazosulfuron, described dispersant, described wetting agent, described disintegrant, described binding agent and described filler are mixed, be ground into powder, then add water and mix the female powder of formation; Female powder by granulation, drying, is namely got described granule;
Method two: the described third careless amine and pyrazosulfuron used additives are dissolved into mother liquor; Described dispersant, described wetting agent, described disintegrant, described binding agent and described filler are mixed, be broken into powder, add described mother liquor to mix, add at last the water mixing and form female powder; Female powder by granulation, drying, is namely got described granule;
Method three: pyrazosulfuron is mixed with described dispersant, described wetting agent, described disintegrant, described binding agent and described filler, be ground into powder, add the third careless amine to mix, add at last and form female powder after the water mixing; Female powder by granulation, drying, is namely got described granule.
10. the application of the described herbicide granule of any one in grass family, broad-leaved section and/or the sedge weed of preventing and kill off rice field or seedlings rice seedling Tanaka in the described Herbicidal combinations of claim 1 or 2 or claim 3-8.
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| CN2013100552430A CN103081937A (en) | 2013-02-21 | 2013-02-21 | Compound weeding composition of pretilachlor and pyrazosulfuron-ethyl and granules of composition |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688971A (en) * | 2013-12-20 | 2014-04-02 | 南京高正农用化工有限公司 | Weeding macro granule for paddy field and preparation method thereof |
| 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 |
| CN105557734A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone and pretilachlor and application of pesticide composition in control of weeds in wheat field |
| CN106857605A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | A kind of Recompounded multielement Herbicidal composition for paddy fields |
| CN107333788A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition and application containing pretilachlor, KIH 6127 and pyrazosulfuron |
| CN108576032A (en) * | 2018-01-17 | 2018-09-28 | 中农立华生物科技股份有限公司 | A kind of complex herbicidal composition and its granule |
| CN109430298A (en) * | 2018-12-29 | 2019-03-08 | 南京高正农用化工有限公司 | A kind of big granula of paddy field weed-killer and preparation method thereof |
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| CN1286910A (en) * | 1999-09-08 | 2001-03-14 | 诺华农化(江苏)有限公司 | Re-compounded pretilachlor-pyrozosulfuron-ethyl preparation |
| WO2012042316A1 (en) * | 2010-09-27 | 2012-04-05 | United Phosphorus Limited | Granules |
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| WO2012042316A1 (en) * | 2010-09-27 | 2012-04-05 | United Phosphorus Limited | Granules |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688971A (en) * | 2013-12-20 | 2014-04-02 | 南京高正农用化工有限公司 | Weeding macro granule for paddy field and preparation method thereof |
| CN103688971B (en) * | 2013-12-20 | 2016-10-05 | 南京高正农用化工有限公司 | A kind of big granule of paddy field weed-killer and preparation method thereof |
| 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 |
| CN105557734A (en) * | 2015-12-11 | 2016-05-11 | 汤云鹤 | Pesticide composition containing flucarbazone and pretilachlor and application of pesticide composition in control of weeds in wheat field |
| CN106857605A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | A kind of Recompounded multielement Herbicidal composition for paddy fields |
| CN107333788A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition and application containing pretilachlor, KIH 6127 and pyrazosulfuron |
| CN108576032A (en) * | 2018-01-17 | 2018-09-28 | 中农立华生物科技股份有限公司 | A kind of complex herbicidal composition and its granule |
| CN108576032B (en) * | 2018-01-17 | 2021-01-05 | 中农立华生物科技股份有限公司 | Compound weeding composition and granules thereof |
| CN109430298A (en) * | 2018-12-29 | 2019-03-08 | 南京高正农用化工有限公司 | A kind of big granula of paddy field weed-killer and preparation method thereof |
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