CN105766939A - Herbicide composition for corn field - Google Patents
Herbicide composition for corn field Download PDFInfo
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- CN105766939A CN105766939A CN201410811647.2A CN201410811647A CN105766939A CN 105766939 A CN105766939 A CN 105766939A CN 201410811647 A CN201410811647 A CN 201410811647A CN 105766939 A CN105766939 A CN 105766939A
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- atrazine
- mesotrione
- butachlor
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Abstract
The invention specifically relates to a herbicide composition for a corn field, which belongs to the field of pesticides and herbicides. The composition is composed of butachlor, atrazine and mesotrione, wherein a weight ratio of mesotrione to atrazine is 1: 3-10, and a weight ratio of atrazine to butachlor is 1: 0.5-2. The composition has combined synergistic effect, does not need addition of an oily synergist, has a broadened weed control spectrum and delays generation of resistance; as butachlor is used for replacing a part of mesotrione, the usage amount of mesotrione is reduced, so corn security is improved; and butachlor is used for replacing a part of atrazine, so the usage amount of atrazine is reduced, but no adverse influence is exerted on later crops. The composition is an optimal weeding composition for post-emergence weeding of the corn field.
Description
Technical field
The invention belongs to pesticide herbicide field, particularly relate to a kind of corn field herbicide composition.
Background technology
China is world's Major Maize manufacturing country, and whole nation cultivated area more than 3,000 ten thousand hectares, is staple food crop.Whole nation Semen Maydis has 1/2 area to be subject to crop smothering in various degree, serious harm area about 10～20%.Corn field weed occurs general, of a great variety.In order to reduce the economic loss that crop smothering causes, reducing labor intensity, simultaneously also because chemical weed control is convenient, quick-acting, it is long to control the time, chemical weed control is also commonly people and is accepted, and becomes the main weeding system of corn field.
Current corn field herbicide is subject to crop safety and is limit, herbicide spectrum is also limited, it is used alone a kind of herbicide and can not control the generation of corn field weed completely effectively, furthermore some herbicide easily causes corn phytotoxicity or Semen Maydis succession crop poisoning owing to water solublity is big or the field lasting period is oversize, consumption is excessive.Can better solve the harmful effect to this season corn safety and second stubble crop by suitable herbicide mixture, and herbicide spectrum can be expanded, reduce agriculture originally, so corn field herbicide mixture is the focus of current exploitation, the deep attention by peasant and manufacturing enterprise.
Chinese patent CN102293202A reports the weeding for rice terrace of the mixtures such as mesotrione and butachlor；And Chinese patent CN101904336A reports that mesotrione, atrazine and propisochlor, isopropyl methoxalamine, Acetochlor and alachlor mixture are for cornfield weeding.Publication number is that the PCT Patent report mesotrione of WO2002019823A2 adds oils, thiamine, ammonium nitrate have potentiation；Butachlor is mainly used in agent for removing grass in paddy field.Have no butachlor, atrazine and the mesotrione ternary mixture report for cornfield weeding at present.
Summary of the invention
The problem to be solved in the present invention is to propose a kind of corn field herbicide composition.
For achieving the above object, the present invention adopts the technical scheme to be:
A kind of corn field herbicide composition, compositions is butachlor, atrazine and mesotrione；Wherein, the weight ratio of mesotrione and atrazine is the weight ratio of 1:3～10, atrazine and butachlor is 1:0.5～2.
The weight ratio of described mesotrione and atrazine is the weight ratio of 1:3～8, atrazine and butachlor is 1:0.5～1.
Butachlor is amide-type selectivity Uptake and translocation herbicide.Chemical name N-fourth oxygen methyl-α-chloro-2 ', 6 '-diethyl acetanil, chemical structural formula is:
It is mainly used in annual gramineous weed and some broad leaved weed that live or transplanting rice field is prevented and kill off.Semen Tritici aestivi, Fructus Hordei Vulgaris, Radix Betae, Cotton Gossypii, Semen arachidis hypogaeae and Chinese cabbage crop is also selective.It is usually soil surface before making bud to process, also can apply after the Seedling of paddy field, be the important kind of herbicide for paddy field.It is applied in corn field postemergence weed control at present, weeds are also had good preventive effect, to corn safety, can widely use.
Other G-30027 by name of atrazine, the chloro-4-ethylamino--6-isopropylamine base-1,3,5-triazines of chemical name: 2-, chemical structural formula is:
It is before interior suction selectivity Seedling and herbicide after seedling.Root absorption is main, and stem and leaf absorbs seldom.Herba Digitariae, barnyard grass, Herba Setariae Viridis, dried tuber, amur foxtail, knotweed, Herba chenopodii, Cruciferae, pulse family weeds are prevented and kill off suitable in Semen Maydis, Sorghum vulgare Pers., Caulis Sacchari sinensis, fruit tree, nursery, forest land.In the Semen Maydis 4 leaf phase, the weeds 2-3 leaf phase, every mu of use 40% suspending agent 200-250 gram, it is watered spraying.It it is one of corn field major herbicides.
Herbicide mesotrione, chemistry 2-(4-mesyl-2-nitro benzoyl) hexamethylene-1 by name, 3-diketone, chemical structural formula is:
It can effectively prevent and treat main broad leaved weed and some grassy weeds, it is easy to conducts at plant xylem and phloem, has action of contace poison and lasting effect.Corn field annual broadleaf weed and part grassy weed such as Herba Abutili, Amaranthus mangostanus L., Herba chenopodii, knotweed, barnyard grass, Herba Digitariae etc. are had good prevention effect by mesotrione suspending agent.And Herba Acalyphae and some grassy weed prevention effects is poor.Using method is stem and leaf spraying, and mu consumption is 7～10g (a.i), and being converted into 100 g/l of suspending agents is 70～100mL/ mu, for one of important kind of corn field postemergence weed control, to corn safety, has broad application prospects.
The application of a kind of corn field herbicide composition, described compositions is used for preventing and kill off in corn field annual gramineous weed or broad leaved weed as herbicide.
The technical scheme of the application also includes a kind of corn field herbicide, mixes with acceptable carrier on pesticide using compositions butachlor, atrazine and mesotrione as active component, and active component weight percentage is 10～70%.Carrier can be solid or liquid.
Described active component weight percentage is 20～60%.
Described herbicide is as corn field one-time weeding agent formulation.
The dosage form of described herbicide is wettable powder, dispersible oil-suspending agent, suspended emulsion, water-dispersible granules, granule or powder.
Concrete, except as otherwise noted, " % " involved in the present invention is " percentage by weight ".
When being configured to wettable powder, auxiliary agent includes:
Dispersant: selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, consumption is the 1～10% of total formulation weight amount, it is preferable that 3～7%；
Wetting agent: selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, consumption is the 1～10% of total formulation weight amount, it is preferable that 3～7%；
Surplus is filler, and it is selected from kieselguhr, Kaolin, white carbon, fine particle calcium carbonate, Pulvis Talci, attapulgite, potter's clay etc..
When being configured to oil dispersant, auxiliary agent includes:
Dispersant: selected from fatty alcohol polyoxyethyl ether, NONYL PHENOL POLYOXYETHYLENE, pulling open powder, NNO, lignosulfonates etc., consumption is the 1～10% of total formulation weight amount, it is preferable that 3～7%；
Emulsifying agent: selected from triphenoethyl benzene phenol polyethenoxy ether phosphate (agriculture breast 600# phosphate ester), Nongru-700 #, Span-20, Span-60, Span-80, Span-85, Tween-60, Tween-80, emulsifying agent T-85, TX-10, agriculture breast 1601#, agriculture breast 600#, consumption is the 1～15% of total formulation weight amount, it is preferable that 5～13%；
Thickening agent: including natural and synthesis, such as xanthan gum, arabic gum, long jiao powder, calcium stearate, aluminium stearate, aluminium-magnesium silicate, organobentonite etc., consumption is the 0.1～10% of total formulation weight amount, it is preferable that 1～3%；
Surplus is solvent: include vegetable oil, such as soybean oil, Oleum Brassicae campestris, Oleum Gossypii semen, Semen Ricini oil, Oleum Terebinthinae, Oleum helianthi, Petiolus Trachycarpi wet goods, mineral oil, such as diesel oil, machine oil, methyl naphthalene higher aliphatic hydrocarbon ils etc. and synthetic ester oil, such as methyl oleate, butyl oleate etc..
When being configured to suspended emulsion, auxiliary agent includes:
Dispersant: selected from polycarboxylate, alkylnaphthalene sulfonate, fatty alcohol-polyoxyethylene ether, consumption is the 1～10% of total formulation weight amount, it is preferable that 3～7%；
Wetting agent: selected from alkylphenol-polyethenoxy poly-base ether formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, fatty alcohol-polyoxyethylene ether, consumption is the 1～10% of total formulation weight amount, it is preferable that 3～7%；
Emulsifying agent: selected from Nonyl pheno (EO=10) ether phosphate, triphenoethyl benzene phenol polyethenoxy ether phosphate (agriculture breast 600# phosphate ester), Nongru-700 #, agriculture breast 2201#, Span-20, Span-40, Span-60, Span-80, Tween-20, Tween-40, Tween-60, Tween-80, Tween-85, TX-10, agriculture breast 1601#, agriculture breast 600#, agriculture breast 400#, consumption is the 1～10% of total formulation weight amount, it is preferable that 2～8%；
Thickening agent: selected from xanthan gum, aluminium-magnesium silicate, bentonite, consumption is the 0.1～10% of total formulation weight amount, it is preferable that 1～5%；
Preservative: selected from benzoic acid, sodium benzoate, BIT (BIT), consumption is the 0.1～10% of total formulation weight amount, it is preferable that 0.3～2%；
Defoamer: for silicone based defoamer, consumption is the 0.1～10% of total formulation weight amount, it is preferable that 0.4～1.0%；；
Antifreezing agent: selected from ethylene glycol, propylene glycol, glycerol, carbamide, inorganic salts such as sodium chloride, consumption is the 0.1～10% of total formulation weight amount, it is preferable that 1～5%.
Surplus is water.
Herbicidal composition of the present invention and herbicide are in Control Weeds in Maize Field, and described weeds are annual gramineous weed or broad leaved weed.
Compared with existing corn field herbicide, the compositions of the present invention has the following characteristics that
1. broad weed-killing spectrum, activity of weeding is high, is not affected by the restriction of time condition, and weeds main in corn field are all had preventive effect by atrazine, and broad leaved weed preventive effect is excellent；Mesotrione can effectively prevent and treat main broad leaved weed and some grassy weeds；Butachlor mainly prevents and kill off annual gramineous weed and some broad leaved weed, and three kinds of combination of active principles can improve herbicide spectrum and preventive effect, and is medication after corn field Seedling, and before overcoming Seedling, medication is affected big shortcoming by climate
2. pair this season Semen Maydis and succession crop safety are high, and the effective ingredient that the present invention selects is all high-efficiency low-toxicity, eco-friendly herbicide, and the product after composite is through test application, it was shown that to there being corn safety.Composite by combining, reduce the consumption of mesotrione and atrazine, improve the safety to Semen Maydis and to succession crop safety.
3. without antagonism, herbicidal composition formula indoor provided by the present invention screening and bioassay results show: the activity of weeding of test weeds is potentiation by the combination between effective ingredient, without antagonism.
4. general combinations of herbicides is both needed to add oil component and could stably play activity of weeding, but the present invention does not need to add potentiation oil component using butachlor, atrazine and mesotrione as the herbicide of active component, can stably play drug effect, easily make the dosage forms such as suspended emulsion, oil dispersant and wettable powder, it is simple to use.In dosage form, active component is stable, is conducive to each active component better to play cooperative effect.
5. herbicide of the present invention can be used for different corn strain, can disposable preventing and treating corn field weed, and once preventing and treating in expand as much as possible herbicide spectrum, improve preventive effect, delaying drug resistance produce, reduce cost, improve crop safety simultaneously, and on second stubble crop without impact.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these detailed description of the invention.One skilled in the art would recognize that and present invention encompasses all alternatives, improvement project and the equivalents potentially included in Claims scope.
Example of formulations
Embodiment 155% butachlor atrazine mesotrione wettable powder
Weighing the former medicine of 5g mesotrione, the former medicine of 30g atrazine, 20g butachlor active compound, 5g sodium lignin sulfonate, 4gNNO, 2g Nekal BX, 25g white carbon, kieselguhr adds to 100g.Mix homogeneously, obtains product after pulverizing.
Embodiment 2:50% butachlor atrazine mesotrione water-dispersible granules
Weighing the former medicine of 5g mesotrione, the former medicine of 25g atrazine, 20g butachlor oil, 5g calcium lignosulfonate, 3g polyethers, 2gK-12,25g soluble starch, Kaolin adds to 100g.Mix homogeneously, after pulverizing, pelletize screening obtains product.
Embodiment 3:35% butachlor atrazine mesotrione wettable powder
Weighing the former medicine of 4g mesotrione, the former medicine of 16g atrazine, 15g butachlor oil, 5g calcium lignosulfonate, 2g Nekal BX, 1gK-12,20g white carbon, Kaolin adds to 100g.Mix homogeneously, obtains product after pulverizing.
Embodiment 4:34% butachlor atrazine mesotrione dispersibility oil-suspending agent
Weigh the former medicine of 4g mesotrione, the former medicine of 20g atrazine, 10g butachlor oil, 6g Si dish Span-80,5g tween T-80,3g fatty alcohol-polyoxyethylene ether, 2g NPE, 1g white carbon, 0.5g organobentonite, 20g methylated vegetable oils, methyl oleate adds to 100g.Above-mentioned raw materials is joined shearing 10min in high-shear emulsion machine, then with, after sand mill sand milling, obtaining dispersibility oil-suspending agent.
Embodiment 5:45% butachlor atrazine mesotrione suspended emulsion
Weigh the former medicine of 5g mesotrione, the former medicine of 20g atrazine, 20g butachlor oil, 5gFS3000 (Phosphate Anionic Surfactants), 1gSXC (sulfonate anionic surfactant), 3g agriculture breast 1601#, 0.1g xanthan gum, 3g ethylene glycol, 0.2gBIT (1,2-benzisothiazole-3-ketone), the organically-modified silica alkane defoamer of 0.4g, deionized water adds to 100g.Above-mentioned raw materials is joined shearing 10min in high-shear emulsion machine, then with after sand mill sand milling, obtains suspended emulsion.
Embodiment 6:30% butachlor atrazine mesotrione suspended emulsion
Weigh the former medicine of 3g mesotrione, the former medicine of 15g atrazine, 12g butachlor oil, 4gFS3000,1gJFC (fatty alcohol-polyoxyethylene ether), 2g Nongru-700 #, 0.15g xanthan gum, 4g ethylene glycol, 0.2g benzoic acid, the organically-modified silica alkane defoamer of 0.5g, deionized water adds to 100g.Above-mentioned raw materials is joined shearing 10min in high-shear emulsion machine, then with after sand mill sand milling, obtains suspended emulsion.
Herbicidal embodiment
Embodiment 7: indoor activity of weeding result of the test
Quantitative barnyard grass and Herba Abutili seed being sowed at highly for, in the Disposable paper cup of 9cm, broadcasting rear earthing 0.5cm, suppression, trickle are placed in greenhouse and cultivate according to a conventional method.When barnyard grass 3 leaf phase, Herba Abutili 4 leaf phase, carry out stem and leaf spraying process (atomisation pressure 1.95kg/cm by EXPERIMENTAL DESIGN dosage crawler type crops sprayer (Britain EngineerResearchLtd. designs production)2, spouting liquid 500L/ha, crawler track speeds 1.48km/h).Test repeats 3 times.Process is placed on handling hall, after medicinal liquid natural air drying, is put in greenhouse and manages according to a conventional method, observes and record the weeds response situation to medicament, the periodical visual inspection investigation medicament preventive effect to weeds.Comparison medicament is 45% atrazine mesotrione suspending agent (adding 60 milliliters of methylated soya oil), 45% atrazine mesotrione suspending agent, 60% butachlor ec, 38% atrazine suspending agent, 10% mesotrione suspending agent, result of the test is in Table 1.
Table 145% butachlor atrazine mesotrione suspended emulsion indoor biological determination of activity (processing latter 21 days)
| Treatment agent | Dispenser dosage (preparation) | Barnyard grass % | Herba Abutili % |
| Embodiment 5 | 150 grams/acre | 78.1 | 74.1 |
| Embodiment 5 | 200 grams/acre | 85.4 | 80.2 |
| Embodiment 5 | 250 grams/acre | 91.2 | 84.6 |
| Embodiment 5 | 300 grams/acre | 96.5 | 91.4 |
| 45% green bristlegrass nitre suspending agent+methylated soya oil | 200 grams/acre | 84.6 | 81.5 |
| 45% atrazine mesotrione suspending agent | 200 grams/acre | 78.3 | 77.8 |
| 60% butachlor ec | 100 grams/acre | 63.4 | 28.2 |
| 38% atrazine suspending agent | 200 grams/acre | 64.3 | 91.6 |
| 10% mesotrione suspending agent | 150 grams/acre | 91.6 | 72.3 |
| CK (blank) | ---- | --- | ----- |
Embodiment 8: field weeding activity test result
The community of test medicine, comparison medicament and blank processes and adopts the group arrangement of random district, plot area 20 square meter, repeats for 4 times, investigation and sampling is every community random searching 4 point, 0.25 square metre every, within 40 days after dispenser, add survey investigation weeds fresh weight, calculate fresh weight preventive effect.Activity of weeding result of the test is in Table 2, and in table 2, each process medicining condition is as follows:
1. the 45% butachlor atrazine mesotrione suspended emulsion 150 grams/acre of embodiment 5 preparation,
2. the 45% butachlor atrazine mesotrione suspended emulsion 200 grams/acre of embodiment 5 preparation,
3. the 45% butachlor atrazine mesotrione suspended emulsion 250 grams/acre of embodiment 5 preparation,
4. the 45% butachlor atrazine mesotrione suspended emulsion 300 grams/acre of embodiment 5 preparation,
5. comparison medicament: 45% atrazine mesotrione suspending agent (adds 60 milliliters of methylated soya oil) 200 grams/acre,
6. comparison medicament: 45% atrazine mesotrione suspending agent 200 grams/acre
7. blank: CK.
Table 245% butachlor atrazine mesotrione suspended emulsion is to corn field weed fresh weight preventive effect result (after medicine 40 days)
Note: letter representation preventive effect sequence (case insensitive) from high to low, A > AB > B > C
Pharmacodynamic results shows: 45% 200 grams/acre of total preventive effects to weeds of butachlor atrazine mesotrione suspended emulsion of embodiment 5 preparation are 90.3%；250 grams/acre of total preventive effects to weeds are 95.8%.Comparison medicament 45% atrazine mesotrione suspending agent (adding 60 milliliters of methylated soya oil) 200 grams/acre of total preventive effects to weeds are 87.1%.It is not added with the preventive effect 79.2% of soybean oil.Under same dose, 45% butachlor atrazine mesotrione suspended emulsion of embodiment 5 preparation is better than comparison pharmacy control efficacy, hence it is evident that be better than the preventive effect of the 45% atrazine mesotrione suspending agent being not added with soybean oil.
Safety shows: use the butachlor atrazine mesotrione suspended emulsion of the present invention, the growth promoter situation of routine observation Semen Maydis after medicine, each treatment region Semen Maydis plant height, leaf color, growing way are all normal, any symptom of chemical damage does not occur, growing way is better than blank district Semen Maydis, and surrounding is also had no adverse effects.
Claims (7)
1. a corn field herbicide composition, it is characterised in that: compositions is butachlor, atrazine and mesotrione；Wherein, the weight ratio of mesotrione and atrazine is the weight ratio of 1:3～10, atrazine and butachlor is 1:0.5～2.
2. by the corn field herbicide composition described in claim 1, it is characterised in that: the weight ratio of described mesotrione and atrazine is the weight ratio of 1:3～8, atrazine and butachlor is 1:0.5～1.
3. the application of a corn field herbicide composition, it is characterised in that: described claim 1 or 2 compositions is used for preventing and kill off in corn field annual gramineous weed or broad leaved weed as herbicide.
4. a corn field herbicide, it is characterised in that: mixing with acceptable carrier on pesticide using compositions described in claim 1～2 as active component, active component weight percentage is 10～70%.
5. by the corn field herbicide described in claim 4, it is characterised in that: described active component weight percentage is 20～60%.
6. by the corn field herbicide described in claim 4, it is characterised in that: described herbicide is as corn field one-time weeding agent formulation.
7. by corn field herbicide described in claim 4, it is characterised in that: the dosage form of described herbicide is wettable powder, dispersible oil-suspending agent, suspended emulsion, water-dispersible granules, granule or powder.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106332895A (en) * | 2016-08-25 | 2017-01-18 | 上海贯发海洋生物科技有限公司 | Iodine oligosaccharide acid-containing synergistic weeding composition and applications thereof |
| CN107439577A (en) * | 2017-08-04 | 2017-12-08 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing mesotrione |
| CN107517970A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing mesotrione, propisochlor and atrazine and preparation method thereof, pharmaceutical applications |
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| CN1897811A (en) * | 2003-12-05 | 2007-01-17 | 辛根塔参与股份公司 | Submicron mesotrione compositions |
| CN101904336A (en) * | 2009-06-05 | 2010-12-08 | 丹东市农药总厂 | Composition of corn field herbicides |
| CN102986705A (en) * | 2012-11-30 | 2013-03-27 | 王学权 | Herbicide composition containing topramezone |
| EP1689227B1 (en) * | 2003-12-04 | 2014-01-15 | Syngenta Participations AG | Herbicidal composition |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1689227B1 (en) * | 2003-12-04 | 2014-01-15 | Syngenta Participations AG | Herbicidal composition |
| CN1897811A (en) * | 2003-12-05 | 2007-01-17 | 辛根塔参与股份公司 | Submicron mesotrione compositions |
| CN101904336A (en) * | 2009-06-05 | 2010-12-08 | 丹东市农药总厂 | Composition of corn field herbicides |
| CN102986705A (en) * | 2012-11-30 | 2013-03-27 | 王学权 | Herbicide composition containing topramezone |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106332895A (en) * | 2016-08-25 | 2017-01-18 | 上海贯发海洋生物科技有限公司 | Iodine oligosaccharide acid-containing synergistic weeding composition and applications thereof |
| CN107439577A (en) * | 2017-08-04 | 2017-12-08 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing mesotrione |
| CN107517970A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing mesotrione, propisochlor and atrazine and preparation method thereof, pharmaceutical applications |
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Application publication date: 20160720 |