CN103348981A - Paddy field herbicide compounded with benzobicylon - Google Patents
Paddy field herbicide compounded with benzobicylon Download PDFInfo
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- CN103348981A CN103348981A CN2013103252635A CN201310325263A CN103348981A CN 103348981 A CN103348981 A CN 103348981A CN 2013103252635 A CN2013103252635 A CN 2013103252635A CN 201310325263 A CN201310325263 A CN 201310325263A CN 103348981 A CN103348981 A CN 103348981A
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- benzobicylon
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Abstract
A paddy field herbicide compounded with benzobicylon comprises the following materials by weight: 5 to 80 percent of effective components, 5 to 20 percent of additives and 5 to 80 percent of filling materials, wherein the first effective component is benzobicylon; the second effective component is any one of acetochlor, metolachlor, propisochlor, pretilachlor, butachlor, mefenacet, penoxsulam, fenpyroxim, quinclorac, bensulfuron, pyrazosulfuron, cinosulfuron, clomazone, fenoxaprop-P-ethyl, carfentrazone and isoproturon, wherein the weight ratio between the first effective component and the second effective component is (1:8) to (8:1). The paddy field herbicide has the technical effects that the use is economical and efficient; the safety is high; the control effect of weeds of the grass family, the broad-leafed family and the sedge family in the paddy field is improved; particularly, the control effect of weeds of the broad-leafed family is remarkably improved; the herbicide controlling spectrum is broadened; the safety degree for paddy rice is improved; the dosage as well as the control cost is reduced.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the composite herbicide for paddy field of a kind of weed killer herbicide, particularly benzobicylon.
Background technology
China's rice cultivation is with a long history, and the region is wide, is one of View of World Rice main product state.The weeds in harm rice field mainly contain barnyard grass, moleplant seed, Paspalum distichum, lady's-grass, green foxtail, eleusine indica Wang grass, the grassy weeds such as wild oat, Monochoria vaginalis, angustifolia arrowhead herb, pondweed, Procumbent Falsepimpernel, mexicana, the first leaf is thin, alternanthera philoxeroides, the broad-leaved section weeds such as annual fleabane herb, the abnormity nutgrass flatsedge, cyperus iria, needle spikesedge herb, the Buddhist grass wafts sunshine, the rhizome of nutgrass flatsedge, the sedge weeds such as kyllinga brevifolia, benzobicylon is the albinism paddy field post-emergence herbicide of double-octane class, grassy weed in the paddy field there is preferably control efficiency, but the control efficiency to broad-leaved section weeds is relatively poor, therefore, but to develop a kind of Effective Raise be one of main task of pesticidal preparations worker to the herbicide for paddy field of broad-leaved section control of weeds effect.
Summary of the invention
The objective of the invention is in order to solve existing herbicide for paddy field to the relatively poor technical problem of broad-leaved section control of weeds effect, in order to address this problem, we have designed the composite herbicide for paddy field of benzobicylon, improved the control efficiency to grassy weed, broad-leaved section weeds and sedge weed in the paddy field, especially very remarkable to the control synergy of broad-leaved section weeds, widened the herbicide spectrum, reduced dosage, save cost accounting, reduced the pollution to environment.
The present invention for realizing the concrete technical scheme that goal of the invention adopts is: the herbicide for paddy field that benzobicylon is composite, key is: each compositions in weight percentage comprises in the described weed killer herbicide: active ingredient 5～80%, auxiliary agent 5～20%, filler 5～80%, wherein the first active ingredient is benzobicylon, the second active ingredient is Acetochlor, isopropyl methoxalamine, propisochlor, the third careless amine, butachlor, mefenacet, penoxsuam, cyhalofop-butyl, dichloro quinolinic acid, bensulfuron-methyl, pyrazosulfuron, cinosulfuron clomazone fenoxaprop, the azoles humulone, in the isoproturon any one, the weight ratio of the first active ingredient and the second active ingredient are (1: 8)～(8: 1).
The invention has the beneficial effects as follows: economical and efficient, safe, improved the control efficiency to grassy weed, broad-leaved section weeds and sedge weed in the paddy field, especially very remarkable to the control synergy of broad-leaved section weeds, widened the herbicide spectrum, improved the degree of safety to paddy rice, can reduce dosage by the synergistic effect between different active ingredients after composite, save cost accounting, slowed down the generation of herbicide resistance, reduced simultaneously the pollution to environment.
Filler is any one in imvite, talcum powder, white carbon, silica, precipitated calcium carbonate, methyl oleate, esterification soybean oil, corn oil, the white oil, can adsorb well the active ingredient in the weed killer herbicide, reaches slow release effect.
Wetting agent is any one in fatty alcohol, aliphatic alcohol sulfate, alkyl benzene sulphonate sodium salt, dialkyl group succinic acid sulfonate sodium, alkylnaphthalene sulfonate, epoxidized polyether, the alkylphenol polyoxyethylene, can improve the moistening dispersiveness of weed killer herbicide in water.
Dispersant is any one in lignosulfonates, alkyl benzene sulphonate sodium salt, alkylphenol polyoxyethylene phosphate, glycerine fatty acid fat APEO, the polyoxyethylene carboxylate, can impel weed killer herbicide in water, to disperse, make weed killer herbicide have good stability.
Thickener is any one in aluminium-magnesium silicate, carboxymethyl cellulose, methylcellulose, the gum Arabic, the viscosity that can regulate suspending agent, thus reduce the sedimentation that suspending agent produces in storage process, improve the suspension stability of suspending agent.
Preservative is any one in Sodium Benzoate, Nepal's tortoise beetle ester, formaldehyde, the polyhydroxy benzenes propyl formate, can prevent that suspending agent is rotten mouldy, guarantees better the quality of suspending agent.
Antifreezing agent is any one in ethanol, propane diols, glycerine, the butanols, can increase the freezing tolerance of suspending agent, improves the stability of suspending agent in low-temperature storage, transportation.
Binding agent is any one in Sodium Polyacrylate, xanthans, dextrin, starch, the sodium carboxymethylcellulose, can improve the viscosity of water dispersible granules, and consumption is less.
Disintegrant is any one in urea, urea ammonium nitrate salt, starch, the ammonium sulfate, can accelerate the disintegration rate of water dispersible granules in water, and water dispersible granules is played a role faster and betterly.
Thinner is any one in kaolin, diatomite, the clay, can effectively reduce the viscosity of water dispersible granules.
Stabilizing agent is any one in alkyl phosphate, alkyl phosphate alkoxide, the epoxidized soybean oil, can prevent or delay that water dispersible granules occurs to decompose or physical property is deteriorated in storage process, keep and strengthen the stability of water dispersible granules, assurance water dispersible granules before the deadline property indices meets the requirements.
Embodiment
The herbicide for paddy field that benzobicylon is composite, key is: each compositions in weight percentage comprises in the described weed killer herbicide: active ingredient 5～80%, auxiliary agent 5～20%, filler 5～80%, wherein the first active ingredient is benzobicylon, the second active ingredient is Acetochlor, isopropyl methoxalamine, propisochlor, the third careless amine, butachlor, mefenacet, penoxsuam, cyhalofop-butyl, dichloro quinolinic acid, bensulfuron-methyl, pyrazosulfuron, cinosulfuron clomazone fenoxaprop, the azoles humulone, in the isoproturon any one, the weight ratio of the first active ingredient and the second active ingredient are (1: 8)～(8: 1).
The formulation of described composition is wetting powder or for suspending agent or for water dispersible granules.
In the described wetting powder, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%.
In the described suspending agent, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%, thickener 1～3%, preservative 1～3%, antifreezing agent 1～5%.
In the described water dispersible granules, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%, binding agent 1～3%, disintegrant 1～4%, thinner 1～13%, stabilizing agent 1～2%.
Described wetting agent and dispersant weight sum are 6～10%.
The optimum weight ratio of described the first active ingredient and the second active ingredient is 1: (3～7).
The specific embodiment of wetting powder is as shown in table 1 among the present invention:
Table 1
The preparation process of wetting powder is: take by weighing benzobicylon 7.1g, butachlor 35.4g, sodium alkyl benzene sulfonate 3g, glycerine fatty acid fat APEO 5g, white carbon 49.5g, fully mix and with comminution by gas stream crushing material to 1000 order percent of pass is got final product more than 90% afterwards, packing namely gets wetting powder.
The control efficiency of WP on Rice field weed is as shown in table 2 among the present invention:
Table 2
As seen from Table 2, all the preventive effect used of the 50g/L benzobicylon wetting powder of more equal effective ingredient consumption and 60% butachlor ec single dose is high for the preventive effect of the compound of 42.5% benzobicylon * butachlor wetting powder on grassy weed, broad-leaved section weeds, sedge weed, significant difference, synergy is obvious, and is especially very remarkable for the control synergy of broad-leaved section weeds.
The specific embodiment of suspending agent is as shown in table 3 among the present invention:
Table 3
The preparation process of suspending agent is: take by weighing benzobicylon 25.4g, cinosulfuron 7.1g, sodium alkyl benzene sulfonate 4g, glycerine fatty acid fat APEO 4g, carboxymethyl cellulose 3g, polyhydroxy benzenes propyl formate 2g, urea 3g, corn oil 51.5g, after mixing, shear agitation are mixed with slurry at the beginning of carrying out, ground 1～2 hour with horizontal sand mill, be crushed to the active ingredient particle diameter and reach 3～5 μ m, packing namely gets suspending agent.
Suspending agent is as shown in table 4 to the control efficiency of paddy field weed among the present invention:
Table 4
As seen from Table 4, all the preventive effect used of the 50g/L benzobicylon wetting powder of more equal effective ingredient consumption and 20% cinosulfuron water dispersible granules single dose is high for the preventive effect of the compound of 32.5% benzobicylon * cinosulfuron suspending agent on grassy weed, broad-leaved section weeds, sedge weed, significant difference, synergy is obvious, and is especially very remarkable for the control synergy of broad-leaved section weeds.
The specific embodiment of water dispersible granules is as shown in table 5 among the present invention:
Table 5
The preparation process of water dispersible granules is: take by weighing benzobicylon 25.4g, cinosulfuron 7.1g, sodium alkyl benzene sulfonate 3g, glycerine fatty acid fat APEO 4g, urea 3g, dextrin 4g, clay 13g, alkyl phosphate alkoxide 4g, white carbon 36.5g, after fully mixing, be crushed to 1000 order percent of pass more than 90% with comminution by gas stream, then adopt the extruder grain method to carry out granulation, oven dry, screening, packing namely gets water dispersible granules.
Water dispersible granules is as shown in table 6 to the control efficiency of paddy field weed among the present invention:
Table 6
As seen from Table 6, all the preventive effect used of the 50g/L benzobicylon wetting powder of more equal effective ingredient consumption and 20% cinosulfuron water dispersible granules single dose is high for the preventive effect of the compound of 32.5% benzobicylon * cinosulfuron water dispersible granules on grassy weed, broad-leaved section weeds, sedge weed, significant difference, synergy is obvious, and is especially very remarkable for the control synergy of broad-leaved section weeds.
In sum, this weed killer herbicide, production process is simple, convenient, can make multiple formulation for user selection, by the data shown in table 2, table 4, the table 6 as can be known, the control efficiency of suspending agent is best, wetting powder takes second place, water dispersible granules is the poorest comparatively speaking, but these three kinds of formulations all have preferably control efficiency to grassy weed, broad-leaved section weeds and sedge weed, and are especially very remarkable for the control synergy of broad-leaved section weeds, widened the herbicide spectrum, reduce dosage, saved cost accounting.
Claims (7)
1. the composite herbicide for paddy field of benzobicylon, it is characterized in that: each compositions in weight percentage comprises in the described weed killer herbicide: active ingredient 5～80%, auxiliary agent 5～20%, filler 5～80%, wherein the first active ingredient is benzobicylon, the second active ingredient is Acetochlor, isopropyl methoxalamine, propisochlor, the third careless amine, butachlor, mefenacet, penoxsuam, cyhalofop-butyl, dichloro quinolinic acid, bensulfuron-methyl, pyrazosulfuron, cinosulfuron clomazone fenoxaprop, the azoles humulone, in the isoproturon any one, the weight ratio of the first active ingredient and the second active ingredient are (1: 8)～(8: 1).
2. the composite herbicide for paddy field of benzobicylon according to claim 1 is characterized in that: the formulation of described composition is wetting powder or for suspending agent or be water dispersible granules.
3. the composite herbicide for paddy field of benzobicylon according to claim 2, it is characterized in that: in the described wetting powder, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%.
4. the composite herbicide for paddy field of benzobicylon according to claim 2, it is characterized in that: in the described suspending agent, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%, thickener 1～3%, preservative 1～3%, antifreezing agent 1～5%.
5. the composite herbicide for paddy field of benzobicylon according to claim 2, it is characterized in that: in the described water dispersible granules, auxiliary agent comprises wetting agent 1～6%, dispersant 1～6%, binding agent 1～3%, disintegrant 1～4%, thinner 1～13%, stabilizing agent 1～2%.
6. the composite herbicide for paddy field of the described benzobicylon of any one according to claim 3～5 is characterized in that: described wetting agent and dispersant weight sum are 6～10%.
7. the composite herbicide for paddy field of benzobicylon according to claim 1, it is characterized in that: the optimum weight ratio of described the first active ingredient and the second active ingredient is 1: (3～7).
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| CN103960255A (en) * | 2014-04-08 | 2014-08-06 | 广东中迅农科股份有限公司 | Herbicide composition containing benzobicylon and oxadiargyl |
| CN104186476A (en) * | 2014-04-30 | 2014-12-10 | 广东中迅农科股份有限公司 | Herbicidal composition containing benzobicylon and pyriftalid |
| CN104255749A (en) * | 2014-09-10 | 2015-01-07 | 广东中迅农科股份有限公司 | Herbicide composition containing pyraclonil and benzobicylon |
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| CN109497084A (en) * | 2018-12-28 | 2019-03-22 | 北京颖泰嘉和生物科技股份有限公司 | A kind of herbicidal composition and its application |
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| CN110859183B (en) * | 2019-07-30 | 2021-08-13 | 安徽润农腾辉生物科技有限公司 | Ternary weeding composition containing benzobicyclon |
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| CN111328815B (en) * | 2020-04-17 | 2022-04-05 | 江苏瑞邦农化股份有限公司 | Weeding composition containing bicyclsulcotrione, oxaziclomefone and butachlor and application thereof |
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| CN103348981B (en) | 2015-03-25 |
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Address after: South District, No. 1, Planning Road, Economic and Technological Development Zone, Shijiazhuang City, Hebei Province, 050051 Patentee after: HEBEI BOWIN AGRICULTURE CO.,LTD. Address before: Institute of Biology, Provincial Academy of Sciences, No. 46 Friendship South Street, Shijiazhuang, Hebei Province, 050051 Patentee before: HEBEI BOWIN AGRICULTURE CO.,LTD. |