CN105519555A - A flufenacet-containing post-emergence compound herbicide for corn fields and a preparing method thereof - Google Patents
A flufenacet-containing post-emergence compound herbicide for corn fields and a preparing method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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Abstract
The invention relates to a flufenacet-containing post-emergence compound herbicide for corn fields. The compound herbicide is prepared from 1.5-24% by weight of flufenacet, 5-50% by weight of mesotrione, 0.5-19% by weight of thifensulfuron methyl, 4-23% by weight of an auxiliary agent and 27-88% by weight of a solvent and/or a carrier. The total weight of the flufenacet, the mesotrione and the thifensulfuron methyl is 8-80% of the total weight of the compound herbicide. Beneficial effects of the compound herbicide are that combination of the flufenacet, the mesotrione and the thifensulfuron methyl can effectively overcome a malignant weed control problem for corn fields, the compound herbicide is particularly suitable for post-emergence weed control of the corn fields, the compound herbicide is small in using amount, easily degradable, short in residual period in soil and good in safety for corn and afterreap crops, and the compound herbicide delays and controls drug resistance of weeds and field weed community succession.
Description
Technical field
The present invention relates to a kind of weed killer herbicide, particularly a kind of corn field post-emergence complex weedicide containing flufenacet and preparation method thereof.
Background technology
Corn is the important cereal crops of China, is also important forage crop.In recent years, along with the development of the industries such as livestock breeding, food processing, wine-making industry and biodiesel, the market demand of corn constantly increases.Within 2009, China's maize sown area reaches 2,850 ten thousand hectares, is only second to paddy rice, wheat planting area, occupies the 3rd, and also has the trend increased.
The weeds of corn field occur general, of a great variety.Spring corn and Huang-Huai-Hai summer corn crop smothering occur serious northeastward, and the 82%-96% of crop smothering occurring area Zhan Gai district cultivated area, wherein medium above hazard area reaches 64-66%.Maize at Seedling Stage is the most serious by crop smothering, little in the impact of corn growth middle and later periods weeds on output.When Maize Seedling is by Weed infestation, plant is short and small, bar spire yellow, causes middle and later periods corn growth bad, Severe Reduction.Therefore, the chemical control of corn field weed all after broadcasting before bud and seedling after early stage two critical periods carry out.
Along with the development of agricultural cience and farming techniques, chemical herbicide apply as saving of labor, save time, one of cost-effective strong well stimulation.At present, the weed killer herbicide major pharmaceutical agent used after domestic corn field seedling has: nicosulfuron, rimsulfuron, dicamba, thifensulfuron methyl, Brominal etc., mixture preparation has nicosulfuron and atrazine, dicamba and atrazine, nicosulfuron and piperazine humulone etc., and the wherein representative kind of Control Weeds in Maize Field that has has Japanese stone to originate in the beautiful agriculture pleasure of industry.But because of its selling at exorbitant prices, apply and be subject to certain restrictions, and owing to making weeds produce resistance for a long time continuously, herbicidal effect declines to some extent.
Summary of the invention
In order to solve, current corn field herbicide herbicidal effect declines, herbicide resistance increases the weight of and high in cost of production problem, the invention provides a kind of corn field post-emergence complex weedicide containing flufenacet and preparation method thereof, there is the advantages such as cost is low, control efficiency good, broad weed-killing spectrum.
In order to realize foregoing invention object, the invention provides a kind of corn field post-emergence complex weedicide containing flufenacet, described complex weedicide is made up of the component of following percentage by weight: flufenacet 1.5-24%, mesotrione 5-50%, thifensulfuronmethyl 0.5-19%, auxiliary agent 4-23%, solvent and/or carrier 27-88%; The total amount of described flufenacet, described mesotrione and described thifensulfuronmethyl is the 8-80% of described complex weedicide total amount.
Described complex weedicide is made up of the component of following percentage by weight: flufenacet 2-24%, mesotrione 5-50%, thifensulfuronmethyl 0.5-18%, auxiliary agent 4-23%, solvent and/or carrier 27-88%; The total amount of described flufenacet, described mesotrione and described thifensulfuronmethyl is the 11-78% of described complex weedicide total amount.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 2%, mesotrione 15%, thifensulfuronmethyl 3%, auxiliary agent 7%, solvent and/or carrier 73%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 12.5%, mesotrione 50%, thifensulfuronmethyl 5%, auxiliary agent 9%, solvent and/or carrier 23.5%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 24%, mesotrione 48%, thifensulfuronmethyl 6%, auxiliary agent 2%, solvent and/or carrier 20%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 10%, mesotrione 5%, thifensulfuronmethyl 0.5%, auxiliary agent 21%, solvent and/or carrier 63.5%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 9%, mesotrione 45%, thifensulfuronmethyl 18%, auxiliary agent 5%, solvent and/or carrier 23%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 1.5%, mesotrione 8.5%, thifensulfuronmethyl 3.5%, auxiliary agent 23%, solvent and/or carrier 63.5%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 9%, mesotrione 11%, thifensulfuronmethyl 19%, auxiliary agent 17%, solvent and/or carrier 44%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 23%, mesotrione 16%, thifensulfuronmethyl 7%, auxiliary agent 11%, solvent and/or carrier 43%.
Described complex weedicide is preferably made up of the component of following percentage by weight: flufenacet 18%, mesotrione 29%, thifensulfuronmethyl 12%, auxiliary agent 14%, solvent and/or carrier 27%.
Described auxiliary agent is one or more in emulsifier, synergist, stabilizing agent, dispersant, wetting agent, bleeding agent, antifreezing agent and spreader-sticker.
Described solvent is one or more in methyl-sulfoxide, acetone, butanone, cyclohexanone, pyrrolidones, isopropyl alcohol, butanols, ethylene glycol, ethyl acetate, butyl acetate, acetonitrile, oxolane, machine oil, vegetable oil and methyl oleate.
Described carrier is one or more in bentonite, diatomite, kaolin, talcum, clay, mica, zeolite, pyrophillite, white carbon, precipitated calcium carbonate and ammonium sulfate.
Described emulsifier is monomer or the complex preparation of nonionic, cation or anion surfactant;
Wherein said non-ionic surface active agent is one or more in alkylphenol polyoxyethylene, alkyl phenol polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid ethylene oxide ester and sorbitan fatty acid ester;
Cationic surfactant is one or more in fatty amine salt, fat primary amine salt and fatty primary secondary amine salt;
Anion surfactant is one or more in alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, fatty alcohol-polyoxyethylene ether calcium sulphate, phenethyl phenol polyethenoxy ether sulfate and alkyl polyoxyethylene ether phosphate.
Described synergist is methylating of plant oil and/or ethylating vegetable oil and/or menthol, and described bleeding agent is one or more in sulfated castor oil, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, azone, thiophene ketone and organosilicon.
In order to better realize foregoing invention object, the invention provides a kind of preparation method of corn field complex weedicide, the preparation method of its wetting powder comprises: flufenacet, thifensulfuronmethyl, mesotrione, auxiliary agent and carrier are mixed according to percentage by weight, then namely obtain wetting powder product through air-flow crushing.
The preparation method of its water dispersion granule comprises: flufenacet, thifensulfuronmethyl, mesotrione, auxiliary agent and carrier are mixed according to percentage by weight, then through air-flow crushing, more namely granulation obtains water dispersion granule product.
The preparation method of its oil-suspending agent comprises: by flufenacet, thifensulfuronmethyl, mesotrione, auxiliary agent and solvent to together with, after ball milling, sand milling, namely obtain oil-suspending agent finished product.
The invention has the beneficial effects as follows: the compounded formula of flufenacet, mesotrione and thifensulfuronmethyl effectively can solve corn field malignant weed and prevent and kill off problem, be specially adapted to corn field postemergence weed control, and this weed killer herbicide dosage is few, easy degraded, in soil, residual life, is short, to corn and succession crop safety good; Also delay and control the succession of resistance weed and field weed community.
Embodiment
The problem such as poor for traditional corn weed killer herbicide control efficiency, price is high, the invention provides a kind of corn field herbicide composite primarily of flufenacet, thifensulfuronmethyl and mesotrione three kinds of active ingredients.Flufenacet is oxygen acetanil class weed killer herbicide, plays a role mainly through T suppression cell division, before the bud effectively can preventing and kill off annual gramineous weed and broad leaved weed and early stage weeding after bud.Flufenacet is mainly used in soil treatment, all can use before bud, after bud, is applicable to corn, cotton, paddy rice and other crops and prevents and kill off main weeds.Mesotrione be one can suppress medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dual oxide enzyme (HPPD) bud before and wide spectrum selective herbicide after seedling, effectively can prevent and treat main broadleaved herb and some grassy weeds.Thifensulfuronmethyl is cauline leaf inorganic agent after a kind of efficient selective bud, cereal crop can be used for and prevent and kill off 1 year raw broad leaved weed, selective herbicide after genus inner sucting conduction type seedling, it is branched-chain amino acid synthetic inhibitor, the biosynthesis of valine, leucine, isoleucine can be suppressed, stop cell division, sensitive crop is stopped growing.Be mainly used in preventing and kill off the broad leaved weed between cereal crop wheat, barley, oat, corn field, as Amaranthus retroflexus, kitchen garden, Descurainia sophia, shepherd's purse, salsola collina, clearvers, Veronica, ox chickweed etc., invalid to field thistle, field bindweed and dogstail etc.Conduct mainly through weeds blade face and Root Absorption.After general dispenser, susceptible weeds stops growing immediately, dead after 1 week.Mesotrione has good control efficiency to corn field annual broadleaf weed and part grassy weed such as piemarker, three-coloured amaranth, lamb's-quarters, knotweed, barnyard grass, lady's-grass etc., and to acalypha copperleaf and some grassy weed control efficiency poor.Also do not find complex weedicide composite for above-mentioned three at present, due to two or more herbicide mixture, very possible generation antagonism, namely the drug effect after two or more herbicide mixtures is lower than the alone effect sum of each single dose, after this kind of weed killer herbicide mixes mutually in production, the preventive effect of weeds is reduced, sometimes also may produce poisoning, such as, when chlorimuronethyl and smart quizalofopethyl, fluazifop-p-butyl prevent and kill off lady's-grass, yard grass, antagonism can be produced.Through studying for a long period of time, present inventor finds that flufenacet, thifensulfuronmethyl and mesotrione are composite, there is obviously synergistic effect, be specially adapted to corn field postemergence weed control, the control efficiency of corn field weed is increased significantly, and herbicide spectrum can be expanded, be reduced in the residual life in soil.
Below adopt embodiment to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Embodiment 1 oil-suspending agent 1
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the raw material of following percentage by weight: flufenacet 2%, mesotrione 15%, thifensulfuronmethyl 3%, auxiliary agent 7%, solvent 71% and carrier 2%;
Wherein, auxiliary agent is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 2% dispersant T-80,3% agriculture breast 601# and 2% agriculture breast 500#; Solvent is methyl oleate; Carrier is organobentonite.
Its preparation method is: namely obtain the oil-suspending agent of 20% after fully being mixed by all raw materials according to above-mentioned percentage by weight again through sand mill sand milling.
Embodiment 2 wetting powder 1
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 12.5%, mesotrione 50%, thifensulfuronmethyl 5%, auxiliary agent 9% and carrier 23.5%;
Wherein, auxiliary agent is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 6% dispersant naphthalene sulfonate and 3% wetting agent K-12; Carrier is 11% white carbon and 12.5% kaolin.
Its preparation method is: after air-flow crushing, namely obtain 67.5% wetting powder again after fully being mixed by all raw materials according to above-mentioned percentage by weight.
Embodiment 3 water dispersible granules 1
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 24%, mesotrione 48%, thifensulfuronmethyl 6%, auxiliary agent 2%, carrier 20%;
Wherein, auxiliary agent is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 0.5% dispersant 2700 and 1.5% wetting agent T-1004, carrier is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 5% ammonium sulfate and 15% kaolin.
Its preparation method is: according to above-mentioned percentage by weight by the fully mixing of all raw material warps, air-flow crushing, mixing, granulation, drying and screening, obtain 78% water dispersible granules.
Embodiment 4 oil-suspending agent 2
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 10%, mesotrione 5%, thifensulfuronmethyl 0.5%, auxiliary agent 21%, 48% solvent and 15.5% carrier.
Wherein, auxiliary agent is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 7% dispersant T-80,3% agriculture breast 601# and 11% agriculture breast 500#; Solvent is methyl oleate; Carrier is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 6.5% organobentonite and 9% white carbon.
Its preparation method is: namely obtain the oil-suspending agent of 15.5% after fully being mixed by all raw materials according to above-mentioned percentage by weight again through sand mill sand milling.
Embodiment 5 wetting powder 2
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 9%, mesotrione 45%, thifensulfuronmethyl 18%, auxiliary agent 5% and carrier 23%;
Wherein, auxiliary agent is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 2% wetting agent K-12 and 3% Dispersant MF-5, and carrier is made up of the component of following percentage by weight (accounting for weed killer herbicide gross weight): 15% white carbon and 8% kaolin.
Its preparation method is: after air-flow crushing, namely obtain 72% wetting powder again after fully being mixed by all raw materials according to above-mentioned percentage by weight.
Embodiment 6 oil-suspending agent 3
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 1.5%, mesotrione 8.5%, thifensulfuronmethyl 3.5%, auxiliary agent 23%, solvent 47.5% and carrier 16%;
Wherein, auxiliary agent is emulsifier, synergist, stabilizing agent, dispersant, wetting agent and spreader-sticker, and the percentage by weight of its each component is (accounting for complex weedicide gross mass): emulsifier 4%, synergist 9%, stabilizing agent 3%, dispersant 2% and wetting agent 5%; Nonionic and the cation complex preparation of emulsifier to be ratio of weight and number be 1:3, wherein non-ionic surface active agent is alkyl phenol polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid ethylene oxide ester and sorbitan fatty acid ester, and its ratio of weight and number is 1:2:2:3:2; Cationic surfactant is fatty amine salt, fat primary amine salt and fatty primary secondary amine salt, and its ratio of weight and number is 2:2:5; Synergist is methylated vegetable oil and the menthol of plant oil, and its ratio of weight and number is 1:2; Stabilizing agent is organobentonite; Dispersant is T-80; Wetting agent is T-1004.Solvent is methyl-sulfoxide, acetone, butanone, isopropyl alcohol, butanols, butyl acetate and methyl oleate, and its ratio of weight and number is; 1:3:2:5:1:3:5; Carrier is pyrophillite and white carbon, and its ratio of weight and number is 3:1.
Its preparation method is: namely obtain the oil-suspending agent of 13.5% after fully being mixed by all raw materials according to above-mentioned percentage by weight again through sand mill sand milling.
Embodiment 7 wetting powder 3
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 9%, mesotrione 11%, thifensulfuronmethyl 19%, auxiliary agent 17% and carrier 44%.
Wherein, auxiliary agent is emulsifier, synergist, dispersant and spreader-sticker, and the percentage by weight of its each component is (accounting for complex weedicide gross mass): emulsifier 7%, synergist 2%, dispersant 2% and spreader-sticker 6%; Emulsifier is monomer or the complex preparation of nonionic, cation and anion surfactant, its ratio of weight and number is 1:3:3, wherein non-ionic surface active agent is alkylphenol polyoxyethylene, alkyl phenol polyethenoxy ether and sorbitan fatty acid ester, and its ratio of weight and number is 2:2:1; Cationic surfactant is fatty amine salt, fat primary amine salt and fatty primary secondary amine salt, and its ratio of weight and number is 3:1:6; Anion surfactant is alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium and fatty alcohol-polyoxyethylene ether calcium sulphate, and its ratio of weight and number is 2:1:1.Synergist is the ethylating vegetable oil of plant oil and menthol, and its ratio of weight and number is 1:1; Dispersant is T-80; Antifreezing agent is ethylene glycol; Spreader-sticker is Nekal BX.Carrier is diatomite, kaolin, talcum, clay and precipitated calcium carbonate, and its ratio of weight and number is 7:8:7:17:5.
Its preparation method is: after air-flow crushing, namely obtain 39% wetting powder again after fully being mixed by all raw materials according to above-mentioned percentage by weight.
Embodiment 8 water dispersible granules 3
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 23%, mesotrione 16%, thifensulfuronmethyl 7%, auxiliary agent 11% and carrier 43%.
Wherein, auxiliary agent is emulsifier, synergist, stabilizing agent, dispersant, wetting agent and bleeding agent, and the percentage by weight of its each component is (accounting for complex weedicide gross mass): emulsifier 2%, synergist 2%, stabilizing agent 1.5%, dispersant 3%, wetting agent 1% and bleeding agent 1.5%; Emulsifier is alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, phenethyl phenol polyethenoxy ether sulfate and alkyl polyoxyethylene ether phosphate, and its percentage by weight is 2:3:0.5:1.5; Synergist is the methylating of plant oil, ethylating vegetable oil and menthol, and its ratio of weight and number is 1:1:2; Stabilizing agent is Sodium Polyacrylate; Dispersant is NNO; Wetting agent is K12: described bleeding agent is sulfated castor oil, sodium alkyl sulfonate and sodium alkyl benzene sulfonate, and its ratio of weight and number is 1:2:2; Carrier is kaolin, mica, zeolite, precipitated calcium carbonate and ammonium sulfate, and its ratio of weight and number is 11:5:18:5:4.
Its preparation method is: according to above-mentioned percentage by weight by the fully mixing of all raw material warps, air-flow crushing, mixing, granulation, drying and screening, obtain 46% water dispersible granules.
Embodiment 9 water dispersible granules 3
Embodiments provide a kind of corn field post-emergence complex weedicide containing flufenacet, be made up of the component of following percentage by weight: flufenacet 18%, mesotrione 29%, thifensulfuronmethyl 12%, auxiliary agent 14% and carrier 27%.
Wherein, auxiliary agent is emulsifier, stabilizing agent, dispersant, wetting agent, bleeding agent and spreader-sticker, and the percentage by weight of its each component is (accounting for complex weedicide gross mass): emulsifier 4%, stabilizing agent 2%, dispersant 3%, wetting agent 2%, bleeding agent 2% and spreader-sticker 1%; Emulsifier is the complex preparation of nonionic, cation and anion surfactant, and its ratio of weight and number is 2:1:1; Wherein non-ionic surface active agent is Ben-zylphenol Polyoxyethyl Ether, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid ethylene oxide ester and sorbitan fatty acid ester, its ratio of weight and number is 2:1:2:1, cationic surfactant is fat primary amine salt and fatty primary secondary amine salt, its ratio of weight and number is 2:3, anion surfactant is alkyl sulfonic acid calcium and fatty alcohol-polyoxyethylene ether calcium sulphate, and its ratio of weight and number is 2:5.Stabilizing agent is xanthans; Dispersant is NNO; Wetting agent is K12; Bleeding agent is sulfated castor oil, azone and organosilicon, and its ratio of weight and number is 2:3:5; Spreader-sticker is Nekal BX.Carrier is bentonite, diatomite, kaolin, white carbon, precipitated calcium carbonate and ammonium sulfate, and its ratio of weight and number is 7:1:2:1:3:5.
Its preparation method is: according to above-mentioned percentage by weight by the fully mixing of all raw material warps, air-flow crushing, mixing, granulation, drying and screening, obtain 59% water dispersible granules.
Comparative trial
Corn field chooses Shui Zhai town, Zhangqiu City of Shandong Province, corn variety is Zheng Dan 958, field main weeds is the grassy weeds such as barnyard grass, moleplant seed, green foxtail, the sedge weeds such as cyperus iria, the malignant weeds such as the broad leaved weeds such as kitchen garden, lamb's-quarters, Asiatic plantain and lady's-grass, barnyard grass, eleusine indica, dayflower.12 test regions are set at random at corn field, the area of each test region is 40m2, respectively according to complex weedicide (embodiment group 1-9), 10% mesotrione oil-suspending agent (control group 1), the 40% flufenacet wetting powder (control group 2) of inventive embodiments 1-9, sprayed in 11 corn field test blocks; Another test region does not carry out any pesticide spray, as blank group.
Spray time is on June 20th, 2013, after dispenser 5 days and 10 days, and each test region gets 4 points at random, and often some investigation 2m2, record weeds kind and strain number, according to formulae discovery preventive effect, result as shown in Table 1 and Table 2.The harvest corn phase, the corn of limit row is removed in each test block, and paid survey is produced, and calculate effect of increasing production, result is as shown in table 3.
Table 1: 5 days preventive effect tables of comparisons after the dispenser of corn trials district
Table 2: 10 days preventive effect tables of comparisons after the dispenser of corn trials district
From the data of table 1 and table 2, complex weedicide of the present invention is used at corn field, not only have complementary advantages, expand herbicide spectrum, grass family, sedge family and broad leaved weed kill entirely, total preventive effect is significantly higher than traditional weed killer herbicide, but also improves overall preventive effect, and herbicidal activity is strong and show obvious synergistic effect.
Table 3: the corn trials district effect of increasing production harvest time table of comparisons
From the data of table 3, after composite, obtain complex weedicide of the present invention, not only to corn safety, and also have good effect of increasing production and show obvious advantage.The synergy after mixture is evaluated by co-toxicity coefficient method, the co-toxicity coefficient of the complex weedicide of result display embodiment 1-9 is all greater than 120, reach remarkable synergistic effect, illustrate that flufenacet, mesotrione, thifensulfuronmethyl are in 2-7:5-20:0.5-3 ratio mixture or the ratio mixture according to embodiment of the present invention 1-9, have significant synergies to annual single broadleaf weed and nutgrass flatsedge.Security test is carried out to the corn of embodiment group 3, test shows: the composite cauline leaf process of flufenacet, mesotrione and thifensulfuronmethyl, suppress the ED10=644.5770 of corn growth 10%, suppress the ED90=162.5768 of weed growth 90%, selectivity factor is 644.57707/162.5768=3.96 > 2, therefore complex weedicide of the present invention has obvious selectivity, and flufenacet, mesotrione and thifensulfuronmethyl have good safety to corn.Complex weedicide of the present invention passes through the field control effectiveness test of 2 years, and result shows, and in the corn 3-5 leaf phase, weeds 1-5 leaf does not wait the phase, and corn has no symptom of chemical damage from dispenser to maturing stage, very safe to corn.The preventive effect of weeds reaches more than 80% in 5 days, within 10 days, reaches more than 90%, and a dispenser can control the weeds in crop whole vegetative period, and not only herbicidal effect is remarkable, and environmentally friendly, on second stubble crop without impact.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the corn field post-emergence complex weedicide containing flufenacet, it is characterized in that, described complex weedicide is made up of the component of following percentage by weight: flufenacet 1.5-24%, mesotrione 5-50%, thifensulfuronmethyl 0.5-19%, auxiliary agent 4-23%, solvent and/or carrier 27-88%; The total amount of described flufenacet, described mesotrione and described thifensulfuronmethyl is the 8-80% of described complex weedicide total amount.
2. the corn field post-emergence complex weedicide containing flufenacet according to claim 1, it is characterized in that, described complex weedicide is made up of the component of following percentage by weight: flufenacet 2-24%, mesotrione 5-50%, thifensulfuronmethyl 0.5-18%, auxiliary agent 4-23%, solvent and/or carrier 27-88%; The total amount of described flufenacet, described mesotrione and described thifensulfuronmethyl is the 11-78% of described complex weedicide total amount.
3. the corn field post-emergence complex weedicide containing flufenacet according to claim 1 and 2, is characterized in that, described auxiliary agent is one or more in emulsifier, synergist, stabilizing agent, dispersant, wetting agent, bleeding agent, antifreezing agent and spreader-sticker.
4. the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-3, it is characterized in that, described solvent is one or more in methyl-sulfoxide, acetone, butanone, cyclohexanone, pyrrolidones, isopropyl alcohol, butanols, ethylene glycol, ethyl acetate, butyl acetate, acetonitrile, oxolane, machine oil, vegetable oil and methyl oleate.
5. the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-4, it is characterized in that, described carrier is one or more in bentonite, diatomite, kaolin, talcum, clay, mica, zeolite, pyrophillite, white carbon, precipitated calcium carbonate and ammonium sulfate.
6. the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-5, it is characterized in that, described emulsifier is monomer or the complex preparation of nonionic, cation or anion surfactant;
Wherein said non-ionic surface active agent is one or more in alkylphenol polyoxyethylene, alkyl phenol polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl polyoxyethylene poly-oxygen propylene aether, fatty acid ethylene oxide ester and sorbitan fatty acid ester;
Cationic surfactant is one or more in fatty amine salt, fat primary amine salt and fatty primary secondary amine salt;
Anion surfactant is one or more in alkyl benzene calcium sulfonate, alkyl sulfonic acid calcium, fatty alcohol-polyoxyethylene ether calcium sulphate, phenethyl phenol polyethenoxy ether sulfate and alkyl polyoxyethylene ether phosphate.
7. the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-6, it is characterized in that, described synergist is methylating of plant oil and/or ethylating vegetable oil and/or menthol, and described bleeding agent is one or more in sulfated castor oil, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, azone, thiophene ketone and organosilicon.
8. the preparation method of the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-7, it is characterized in that, described preparation method comprises: flufenacet, mesotrione, thifensulfuronmethyl, auxiliary agent, solvent and/or carrier are mixed according to parts by weight, then namely obtain wetting powder product through air-flow crushing.
9. the preparation method of the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-7, it is characterized in that, described preparation method comprises: flufenacet, mesotrione, thifensulfuronmethyl, auxiliary agent, solvent and/or carrier are mixed according to parts by weight, then through air-flow crushing, more namely granulation obtains water dispersion granule product.
10. the preparation method of the corn field post-emergence complex weedicide containing flufenacet according to any one of claim 1-7, it is characterized in that, described preparation method comprises: according to parts by weight by admixed together to flufenacet, mesotrione, thifensulfuronmethyl, auxiliary agent, solvent and/or carrier, after ball milling, sand milling, namely obtain oil-suspending agent finished product.
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| CN201511019922.8A CN105519555A (en) | 2015-12-30 | 2015-12-30 | A flufenacet-containing post-emergence compound herbicide for corn fields and a preparing method thereof |
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| CN201511019922.8A CN105519555A (en) | 2015-12-30 | 2015-12-30 | A flufenacet-containing post-emergence compound herbicide for corn fields and a preparing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376580A (en) * | 2016-09-07 | 2017-02-08 | 西华大学 | Flufenacet-containing synergistic herbicide composition and application |
| CN108782546A (en) * | 2017-04-28 | 2018-11-13 | 江苏邦盛生物科技有限责任公司 | A kind of bucket mixes agricultural chemicals synergist and preparation method thereof |
| WO2019034934A1 (en) * | 2017-08-14 | 2019-02-21 | Adama Agan Ltd. | Oil dispersable formulation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458824A (en) * | 2000-09-18 | 2003-11-26 | 拜尔作物科学股份有限公司 | Herbicidal compositions |
| CN102265888A (en) * | 2011-06-11 | 2011-12-07 | 陕西韦尔奇作物保护有限公司 | Weeding compound containing mesotrione and thifensulfuron methyl |
| CN102835412A (en) * | 2012-09-28 | 2012-12-26 | 安徽丰乐农化有限责任公司 | Compound herbicide after seedling of wheat |
| CN104982448A (en) * | 2015-06-03 | 2015-10-21 | 赵志平 | Herbicide for corn field |
-
2015
- 2015-12-30 CN CN201511019922.8A patent/CN105519555A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458824A (en) * | 2000-09-18 | 2003-11-26 | 拜尔作物科学股份有限公司 | Herbicidal compositions |
| CN102265888A (en) * | 2011-06-11 | 2011-12-07 | 陕西韦尔奇作物保护有限公司 | Weeding compound containing mesotrione and thifensulfuron methyl |
| CN102835412A (en) * | 2012-09-28 | 2012-12-26 | 安徽丰乐农化有限责任公司 | Compound herbicide after seedling of wheat |
| CN104982448A (en) * | 2015-06-03 | 2015-10-21 | 赵志平 | Herbicide for corn field |
Non-Patent Citations (2)
| Title |
|---|
| 冯彤英 等: "75%WG噻吩磺隆WG的配方研究与应用", 《农药》 * |
| 高忠芬: "15%噻吩磺隆可湿性粉剂防除玉米田杂草药效研究", 《现代农业科技》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376580A (en) * | 2016-09-07 | 2017-02-08 | 西华大学 | Flufenacet-containing synergistic herbicide composition and application |
| CN106376580B (en) * | 2016-09-07 | 2018-10-23 | 西华大学 | Synergistic herbicide compositions containing flufenacet and application |
| CN108782546A (en) * | 2017-04-28 | 2018-11-13 | 江苏邦盛生物科技有限责任公司 | A kind of bucket mixes agricultural chemicals synergist and preparation method thereof |
| WO2019034934A1 (en) * | 2017-08-14 | 2019-02-21 | Adama Agan Ltd. | Oil dispersable formulation |
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Application publication date: 20160427 |