CN102228033A - Weed controlling compound pesticide composition and preparation method thereof - Google Patents
Weed controlling compound pesticide composition and preparation method thereof Download PDFInfo
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- CN102228033A CN102228033A CN2011101395175A CN201110139517A CN102228033A CN 102228033 A CN102228033 A CN 102228033A CN 2011101395175 A CN2011101395175 A CN 2011101395175A CN 201110139517 A CN201110139517 A CN 201110139517A CN 102228033 A CN102228033 A CN 102228033A
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- fluroxypyr
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Abstract
The invention discloses a weed controlling compound pesticide composition. The pesticide composition contains such active ingredients as fluroxypyr or esters thereof and topramezone, wherein the weight ratio of fluroxypyr or esters thereof to topramezone is 15: (1-3). The pesticide composition is characterized in that the dosage form of the pesticide composition is wettable powder or water dispersible granules; based on the total weight of the composition, the content of fluroxypyr or esters thereof is 10-70%, the content of topramezone is 2-30% and the content of additives is 10-88%; and the amount of the esters of fluroxypyr is converted into the amount of fluroxypyr. The invention also discloses a preparation method of the wettable powder or water dispersible granules. The pesticide composition is formed by compounding fluroxypyr or esters thereof and topramezone, has low toxicity, wide weed control spectrum, quick effect, good persistence and medium cost, can control broadleaf weeds, annual grass weeds and the like, is a more ideal pesticide variety for controlling weeds in the maize fields and has the advantages of simpleness in production, convenience and safety in use, zero environmental pollution and the like.
Description
Technical field
The present invention relates to a kind of control of maize field weed composition pesticide, particularly a kind of fluroxypyr or its ester and benzene azoles humulone compound pesticide composition and preparation method thereof of containing.
Background technology
In recent years, because a large amount of uses of various agricultural chemicals, cause the corn field weed pesticide resistance more and more higher, weeds are taken place general, of a great variety, the main weeds kind has lady's-grass, eleusine indica, the barnyard grass grass, green foxtail, Amaranthus retroflexus, the humulus grass, black nightshade, Eclipta prostrata, acalypha copperleaf, ivy glorybind, lamb's-quarters, Horseweed Herb, pale persicaria, Siberian cocklebur, piemarker, yellow clever nutgrass flatsedge and artemisia annua etc., some areas field bindweed, corn sow thistle, field thistle or the like, harm is serious throughout the country, in the control of chemical agent, mainly be used for the Acetochlor that mainly contains of soil spraying processing at present, atrazine, propisochlor, isopropyl methoxalamine, mixtures such as single agent such as pendimethalin and Acetochlor+atrazine.The weed killer herbicide that is used for the cauline leaf processing mainly contains nicosulfuron, atrazine, 2, single agent such as 4-d butyl ester, methoxone, Dicamba, thifensulfuronmethyl all produce very strong pesticide resistance, the mu using dosage increases year by year, use cost increases year by year, and fluroxypyr or its ester list agent control broad leaved weed effect are obvious, invalid to grassy weed, and quick-acting is poor, and certain limitation is in use arranged.
Fluroxypyr or its ester are the inner sucting conduction type herbicide after seedling, the fluroxypyr ester is the various ester class products that fluroxypyr and alcohols reaction obtain, and all is that fluroxypyr is a main body as activity of weeding such as the different monooctyl ester of fluroxypyr, fluroxypyr butyl esters.For example, the different monooctyl ester of fluroxypyr is the same with the removing activity material of fluroxypyr, and both have the registration of more producer to produce at home, do not have too big difference at aspects such as herbicidal performances.According to interrelated data, the different monooctyl ester of fluroxypyr stable better is attached to the weeds surface easilier, thereby herbicidal effect omits, and the risk that the broad leaf crop around the piece of dispenser field is produced the drift poisoning wants littler.
Very fast after fluroxypyr or its ester dispenser by plant absorbing, make sensitive plant the reaction of typical hormone herbicide, plant deformity, distortion occur.In drug resistance plant such as wheat body, fluroxypyr can be combined into conjugates and lose toxicity, thereby has selectivity.Temperature does not have influence to the final effect of its weeding, but influences the speed of its drug effect performance.Generally the drug effect performance is slower when temperature is low, stop growing after can making dunsiekte, but dead immediately; The very fast death of plant after temperature raises.Leaching is not remarkable in soil, and major part is distributed in the 0-10 centimetre of topsoil, under the condition of aerobic, is degraded into non-poisonous materials such as 2-pyridine alcohol very soon in the effect of edaphon, in soil the half life period shorter, can not exert an influence to a following batch broad leaf crop.Very fast behind the medicine by plant absorbing, make sensitive plant the reaction of typical hormone herbicide occur, plant deformity, distortion, finally withered.Be applicable to that ground such as wheat, barley, corn, grape, orchard, pasture, forest land, lawn prevent and kill off broad leaved weed; As clearvers, volume stem knotweed, kitchen garden, black nightshade, field bindweed, knotweed, amaranth etc., invalid to grassy weed.
Benzene azoles humulone is that cauline leaf is handled weed killer herbicide after belonging to the three ketones seedling, absorb by root and seedling, leaf, in plant Xiang Ding, be transmitted to meristematic tissue to base, suppress 4-HPPD, carotenoid, chlorophyllous biosynthesis are suppressed and function upsets, the susceptible weeds that causes germinateing is bleached symptom in 2-5 days in locating, plant death in 14 days.The anti-BAS670011 of corn is based on weed killer herbicide target enzyme susceptibility lower, absorb, conduction slowly, metabolism is non-activity thing and tool selectivity rapidly.High activity, consumption are extremely low, use wide, flexible, broad weed-killing spectrum of optimum period behind the seedling, prevent and kill off annual warm season grassy weed and broad leaved weed.When being absorbed by leaf with additive, enriched vegetable oil raising BAS67001H and distributing, improve preventive effect.To preventing and kill off corn field annual broadleaf weed and part grassy weed such as piemarker, three-coloured amaranth, lamb's-quarters, knotweed, barnyard grass grass, lady's-grass etc. the better prevention effect is arranged.
Summary of the invention
The objective of the invention is to overcome the deficiency that above-mentioned agricultural chemicals list agent exists, a kind of fluroxypyr or its ester and benzene azoles humulone compound pesticide composition and preparation method thereof of containing is provided, described composition pesticide promptly keeps fluroxypyr or its ester advantage good to the broad leaved weed control efficiency, having kept benzene azoles humulone again is interior absorption conductivity, lasting effect etc., having overcome fluroxypyr or its ester does not have the shortcoming of preventive effect to gramineous plants, adapt to the requirement of China's control of maize field weed, and prepare easy to use, safe, economical.
A kind of weeding agriculture chemical compounding composition, contain effective composition fluroxypyr or its ester and benzene azoles humulone, the weight ratio of fluroxypyr or its ester and benzene azoles humulone is 15: 1~3, and the amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
The formulation of described weeding agriculture chemical compounding composition is wetting powder or water dispersible granules, gross weight with composition is a benchmark, fluroxypyr or its ester content are 10%-70%, benzene azoles humulone content is 2-30%, additive level is 10-88%, and the amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
Described fluroxypyr ester is preferably different monooctyl ester of fluroxypyr or or fluroxypyr butyl ester.
Described additive comprises dispersant, wetting agent, disintegrant, binding agent, filler etc.
Described wetting agent can help preparation hydrophilic rapidly, wetting, increase soup and the contact area of crop, the valid density of maintenance agricultural chemicals, strengthen the absorption of plant, improve the important function of drug effect, the wetting agent that the present invention adopts is one or more in lauryl sodium sulfate, alcohol ethoxylate, alkylphenol ethoxylate, naphthalene sulfonate and the octadecyl sodium succinate etc.
Described disintegrant can help preparation disintegration rapidly in water, and the disintegrant that the present invention adopts is one or more in sulphur ammonium, sodium chloride, the calcium chloride etc.
Described dispersant has fine dispersion and solubilization, can obviously improve drug effect, and the dispersant that the present invention adopts is one or more among lignosulfonates, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol ethoxylate, the polycarboxylate salt dispersant etc.
Described binding agent can make each component of preparation better be bonded together, and does not disperse, and is easy to granulation, and the binding agent of the present invention's employing is one or more in the polymer of polyvinyl acetate, polyvinyl alcohol, ethylene-vinyl acetate copolymer, the soluble starch.
Described filler can change the powder rheological property, makes powder fluffy.The filler that the present invention adopts is one or more in precipitated calcium carbonate, kaolin, white carbon, attapulgite, the bentonite etc.
The formulation of described composition is wetting powder or water dispersible granules, comprises the component of following percetage by weight:
The amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
Preferred composition with percetage by weight is:
The amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
A kind of weeding agriculture chemical compounding preparation of compositions method; with above-mentioned raw materials after the double helix cone blender mixes; make the weeding agriculture chemical compounding composition that contains fluroxypyr or its ester and benzene azoles humulone of uniform powder shape or above-mentioned ultrafine powder is passed through the comminutor granulation again through the air-flow ultramicro grinding, drying plant is removed the weeding agriculture chemical compounding composition that contains fluroxypyr or its ester and benzene azoles humulone of making grain shape behind the moisture.
The present invention adopts fluroxypyr or its ester and the composite use of benzene azoles humulone, low toxicity, broad weed-killing spectrum, quick-acting and lasting effect good, nominal is to the extremely strong removing activity of weeds, cost is moderate, can prevent and treat broad leaved weed and annual gramineous weed etc., be the comparatively desirable pesticide species of controlling weeds in cornfield, use simple, safety, environmentally safe.The formulation of this compounded preparation of pesticide can be produced needs according to enterprise and decided, and has to produce many advantages such as simple, efficient, that cost is low, environment compatibility is good.This herbicidal composition is compared with others existing other herbicidal compositions, and the energy suspension of pesticide resistance generation enlarges and kills the careless preventive effect to important weeds of composing, also improve.
Embodiment
Further specify the present invention below with reference to embodiment, following embodiment only is used to the present invention is described and to the present invention without limits.
Embodiment 1
For verifying that the different proportioning consumptions with benzene azoles humulone of fluroxypyr are to the corn field weed herbicidal effect, fluroxypyr and of the indoor determination of activity of the different proportionings of benzene azoles humulone have been carried out to corn field weed, be made into respective concentration according to percentage by weight in the table, carry out indoor weeding test, to measure fresh weight preventive effect (E
0), now result of the test is reported as follows:
Assay method: the greenhouse pot culture method is adopted in this test, the research fluroxypyr is used the activity of weeding of back to corn field weed with the different proportionings of benzene azoles humulone, the result tentatively shows, higher for examination weeds activity of weeding to 4 kinds behind two pharmacy mix, quick-acting, preventive effect, careless extremely spectrum are also apparently higher than fluroxypyr.The analysis of The combined type of action finds that all proportionings are handled being summation action for the synergy type of testing weeds of having a try.Take all factors into consideration synergy type, activity of weeding and the Financial cost of two kinds of pharmacy mix, recommending fluroxypyr and benzene azoles humulone proportioning is 15: 1~3.
Dosage is provided with: 1) single agent and dosage: fluroxypyr (being numbered A): 100,150,200,250 and 300g ai/ha (numbering is respectively A1~A5); Benzene azoles humulone (being numbered B): 15,20,25,30 and 35g ai/ha (numbering is respectively B1~B5).2) use with and proportioning: ((numbering B1~B5) respectively is 5 dosage to fluroxypyr, 25 the composite processing that are mixed respectively of each dosage for numbering A1~A5) and benzene azoles humulone.
Test with the activity of weeding of Gowing method after to two kinds of herbicide mixtures, the calculation of effect that is mixed formula is: E
0=X+Y-XY/100, in the formula, the weeds preventive effect of weed killer herbicide A when X represents that consumption is P; The weeds preventive effect of weed killer herbicide B when Y represents that consumption is Q; E
0The theoretical preventive effect of weed killer herbicide (A+B) was pressed the Gowing method when expression weed killer herbicide consumption was (P+Q), worked as E-E
0, illustrate that mixture herbicide produces synergistic effect at>10% o'clock; Work as E-E
0, illustrate that mixture herbicide produces antagonism at<-10% o'clock; Work as E-E
0Value illustrates that between ± 10% o'clock mixture herbicide produces summation action, and the E in the formula represents the actual measurement preventive effect % that each is handled.
Two kinds of different proportioning synergy types of composition see Table 1.
Measurement result shows that tentatively higher for examination weeds activity of weeding to 4 kinds behind two pharmacy mix, quick-acting is also apparently higher than fluroxypyr.The analysis of The combined type of action finds that all proportionings are handled being summation action for the synergy type of testing weeds of having a try.
Embodiment 2
18% fluroxypyr benzene azoles humulone wetting powder
With above-mentioned raw materials after the double helix cone blender mixes, pulverize through airslide disintegrating mill, make the compound pesticide composition that contains fluroxypyr and benzene azoles humulone of powder shape, at corn field weed control field control effectiveness test, 15 days preventive effects reach more than 94% and (see Table 2) behind the medicine.
18% fluroxypyr benzene azoles humulone wetting powder control of maize field weed effect quick-acting, careless extremely spectrum, control efficiency are better than 20% fluroxypyr missible oil as can be seen from the results.
Embodiment 3
The different monooctyl ester benzene of 49% fluroxypyr azoles humulone water dispersible granules
With above-mentioned raw materials after the double helix cone blender mixes; through the airslide disintegrating mill ultramicro grinding; add suitable quantity of water again through the comminutor granulation; drying plant is removed the compound pesticide composition that contains different monooctyl ester of fluroxypyr and benzene azoles humulone of making grain shape behind the moisture; at corn field weed control field control effectiveness test, 15 days preventive effects reach more than 93% and (see Table 3) behind the medicine.
The different monooctyl ester benzene of 49% fluroxypyr azoles humulone water dispersible granules control of maize field weed effect quick-acting, careless extremely spectrum, control efficiency are better than the different monooctyl ester missible oil of 288g/L fluroxypyr as can be seen from the results.
Embodiment 4
68% fluroxypyr benzene azoles humulone water dispersible granules
With above-mentioned raw materials after the double helix cone blender mixes; through the airslide disintegrating mill ultramicro grinding; add suitable quantity of water again through the comminutor granulation; drying plant is removed the compound pesticide composition that contains fluroxypyr and benzene azoles humulone of making grain shape behind the moisture; at corn field weed control field control effectiveness test, 15 days preventive effects reach more than 94% and (see Table 4) behind the medicine.
68% fluroxypyr benzene azoles humulone water dispersible granules control of maize field weed effect quick-acting, careless extremely spectrum, control efficiency are better than 20% fluroxypyr missible oil as can be seen from the results.
Claims (7)
1. weeding agriculture chemical compounding composition, contain effective composition fluroxypyr or its ester and benzene azoles humulone, wherein: the weight ratio of fluroxypyr or its ester and benzene azoles humulone is 15: 1~3, and the amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
2. weeding agriculture chemical compounding composition according to claim 1, it is characterized in that: the formulation of described weeding agriculture chemical compounding composition is wetting powder or water dispersible granules, gross weight with composition is a benchmark, fluroxypyr or its ester content are 10%-70%, benzene azoles humulone content is 2-30%, additive level is 10-88%, wherein: the weight ratio of fluroxypyr or its ester and benzene azoles humulone is 15: 1~3, and the amount of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
3. weeding agriculture chemical compounding composition according to claim 2, it is characterized in that: described additive comprises dispersant, wetting agent, disintegrant, binding agent, filler; Described wetting agent is one or more in lauryl sodium sulfate, alcohol ethoxylate, alkylphenol ethoxylate, naphthalene sulfonate and the octadecyl sodium succinate etc.; Described dispersant is one or more among lignosulfonates, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol ethoxylate, the polycarboxylate salt dispersant etc.; Described disintegrant is one or more in sulphur ammonium, sodium chloride, the calcium chloride etc.; Described binding agent is one or more in the polymer, polyvinyl alcohol, ethylene-vinyl acetate copolymer, soluble starch of polyvinyl acetate; Described filler is one or more in precipitated calcium carbonate, kaolin, white carbon, attapulgite, the bentonite etc.
4. weeding agriculture chemical compounding composition according to claim 3 is characterized in that: the component that comprises following percetage by weight:
The content of described fluroxypyr ester is to be converted into the amount of fluroxypyr.
6. according to the described weeding agriculture chemical compounding of the arbitrary claim of claim 1-5 composition, it is characterized in that: described fluroxypyr ester is different monooctyl ester of fluroxypyr or fluroxypyr butyl ester.
7. weeding agriculture chemical compounding preparation of compositions method according to claim 2; it is characterized in that: with described fluroxypyr or its ester content is 10%-70%; benzene azoles humulone content is 2-30%; additive level is 10-88%; the metering back is after the double helix cone blender mixes; make the weeding agriculture chemical compounding composition that contains fluroxypyr or its ester and benzene azoles humulone of uniform powder shape or above-mentioned ultrafine powder is passed through the comminutor granulation again through the air-flow ultramicro grinding, drying plant is removed the weeding agriculture chemical compounding composition that contains fluroxypyr or its ester and benzene azoles humulone of making grain shape behind the moisture.
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Cited By (7)
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CN102334484A (en) * | 2011-11-07 | 2012-02-01 | 河北博嘉农业有限公司 | Herbicide composite |
CN102396468A (en) * | 2011-11-17 | 2012-04-04 | 湖南农大海特农化有限公司 | Weeding combination for preventing and eliminating weed in corn field |
CN103141487A (en) * | 2013-02-05 | 2013-06-12 | 辽宁海佳农化有限公司 | Herbicide composition containing carfentrazone-ethyl, fluroxypyr and atrazine and preparation method |
CN103238607A (en) * | 2012-02-13 | 2013-08-14 | 陕西美邦农药有限公司 | Herbicidal composition containing isoxaflutole and fluroxypyr |
CN105494363A (en) * | 2014-10-16 | 2016-04-20 | 江苏龙灯化学有限公司 | Herbicidal composition |
CN109169695A (en) * | 2018-08-22 | 2019-01-11 | 广西三晶化工科技有限公司 | A kind of herbicidal composition and its preparation method and application |
CN111226952A (en) * | 2020-03-17 | 2020-06-05 | 京博农化科技有限公司 | Corn field herbicide composition containing topramezone and application thereof |
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CN102017962A (en) * | 2010-12-14 | 2011-04-20 | 陕西上格之路生物科学有限公司 | Weedicide composition containing topramezone and eluthiacet-methyl |
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WO2007130514A2 (en) * | 2006-05-03 | 2007-11-15 | Dow Agrosciences Llc | A method to reduce spray drift during application of pesticides and crop protection agents |
WO2008071714A1 (en) * | 2006-12-15 | 2008-06-19 | Rohm And Haas Company | Mixtures comprising 1-methylcyclopropene |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102334484A (en) * | 2011-11-07 | 2012-02-01 | 河北博嘉农业有限公司 | Herbicide composite |
CN102396468A (en) * | 2011-11-17 | 2012-04-04 | 湖南农大海特农化有限公司 | Weeding combination for preventing and eliminating weed in corn field |
CN103238607A (en) * | 2012-02-13 | 2013-08-14 | 陕西美邦农药有限公司 | Herbicidal composition containing isoxaflutole and fluroxypyr |
CN103238607B (en) * | 2012-02-13 | 2015-12-16 | 陕西美邦农药有限公司 | The Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr |
CN103141487A (en) * | 2013-02-05 | 2013-06-12 | 辽宁海佳农化有限公司 | Herbicide composition containing carfentrazone-ethyl, fluroxypyr and atrazine and preparation method |
CN105494363A (en) * | 2014-10-16 | 2016-04-20 | 江苏龙灯化学有限公司 | Herbicidal composition |
CN105494363B (en) * | 2014-10-16 | 2018-07-17 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
CN109169695A (en) * | 2018-08-22 | 2019-01-11 | 广西三晶化工科技有限公司 | A kind of herbicidal composition and its preparation method and application |
WO2020038070A1 (en) * | 2018-08-22 | 2020-02-27 | 广西化工研究院有限公司 | Herbicide composition, preparation method therefor and use thereof |
CN109169695B (en) * | 2018-08-22 | 2021-06-25 | 广西三晶化工科技有限公司 | Herbicide composition, preparation method and application thereof |
CN111226952A (en) * | 2020-03-17 | 2020-06-05 | 京博农化科技有限公司 | Corn field herbicide composition containing topramezone and application thereof |
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