CN104938495A - Ternary weeding composition containing amicarbazone - Google Patents
Ternary weeding composition containing amicarbazone Download PDFInfo
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Abstract
The invention discloses a ternary weeding composition containing amicarbazone and application thereof. The effective active ingredients of the ternary weeding composition include the first active ingredient amicarbazone, the second active ingredient mesotrione and the third active ingredient atrazine, wherein the amicarbazone accounts for 1%-80% by weight of the weeding composition, and the mesotrione accounts for 1%-20% by weight of the weeding composition, and the atrazine accounts for 10%-80% by weight of the weeding composition. The ternary weeding composition can be prepared into a suspending agent, a dispersible oil suspending agent, wettable powder and water dispersible granules which are allowable agriculturally. The ternary weeding composition is reasonable in ingredients, has good weeding effect on corn and sugarcane fields, and has remarkable synergistic effect besides the remarkable weeding effect compared with a single preparation or a binary combination preparation in the prior art, wherein it is not simple addition of all compositions as for the activity and weeding effect. The ternary weeding composition has remarkable prevention and control effect on weeds in the corn and sugarcane fields, dosage is decreased, a weeding spectrum is increased, and the safety to crops is good.
Description
Technical field
The present invention relates to the Herbicidal combinations of a kind of corn field and sugarcane field, be made up of active component amicarbazone, mesotrione and atrazine and auxiliary agent, belong to technical field of compounded pesticide.
Background technology
The corn of China and sugarcane acreage are wide, and corn all has plantation throughout the country, sugarcane in Guangxi, Guangdong, Yunnan, Hainan, the ground plantation such as Fujian.Corn field and sugarcane field weeds occur general, and weeds are of a great variety, mainly contain broad leaved weeds as kitchen garden, Amaranthus retroflexus, acalypha copperleaf, lamb's-quarters, piemarker, Siberian cocklebur, black nightshade, field bindweed, field thistle, dayflower etc.; Grassy weed is as lady's-grass, green foxtail, eleusine indica, barnyard grass, Bermuda grass etc.; Sedge weed is as the rhizome of nutgrass flatsedge etc.Weeds and crop fight for moisture, nutrient, illumination and space, affect crop normal growth, even can cause Severe Reduction.Chemical weed control economy, effective, laborsaving, but because most of weed killer herbicide herbicide spectrum own is limited, and Long-Time Service easily causes the generation of Weed Resistance, and by herbicide mixtures different for the mechanism of action, herbicidal effect and herbicide spectrum can be improved, delay the generation of Weed Resistance.
Amicarbazone, English name is amicarbazone, and chemical name is: the 4-amino-5-oxo-3-isopropyl-N-tert-butyl group-1,2,4-triazole-1-formamide, is the triazolineone weed killer herbicide that plant protection portion of Beyer Co., Ltd finds for 1988, within 1999, releases in Britain's Brighton world plant protection conference.Mechanism of action is proporphyrinogen oxidase inhibitor, and its herbicide effect needs the existence of light, mainly causes cell membrane disruption by suppressing proporphyrinogen oxidase in chlcrophyll biosynthesis process, makes blade withered, dead rapidly.This medicament can carry out soil treatment, also can carry out cauline leaf and spray, and mainly through root system and Foliage Absorption, can be used for the annual broad-leaved of part on control of maize field, sugarcane field and lawn and grassy weed.Sensitive plant is chlorisis by classical symptom after medicine, stops growing, and combines withered and yellow until finally dead.
Mesotrione; English name is mesotrione; have another name called mesotrione; a kind of three ketones weed killer herbicide; chemical name is: 2-(4-mesyl-2-nitro benzoyl) cyclohexane-1; 3-diketone; molecular weight 339.32; before belonging to selectivity inner sucting conduction type seedling, herbicide after seedling; it can suppress the biosynthesis of carotenoid, and dead after making weeds occur albefaction, it can by the leaf of plant and root absorption; the transmission downwards to top at plant xylem and phloem, has action of contace poison and wholesomeness.Mesotrione can the effective broadleaf weed such as control of maize, sugarcane field dayflower, piemarker, knotweed, acalypha copperleaf, lamb's-quarters, Amaranthus retroflexus, to barnyard grass, lady's-grass, etc. part monocotyledon weed have effect of well preventing and kill off, to crop safety.Under normal crop rotation, to succession crop as wheat class, rape, potato, beet safety.
Atrazine, English name is atrazine, and chemical name is: the chloro-4-ethylamino-of 2--6-isopropylamino-1,3,5-triazines.Before selectivity inner sucting conduction type seedling, herbicide after seedling, based on root absorption, cauline leaf absorbs seldom, is transmitted to rapidly plant meristematic tissue and leaf portion, and interference photosynthesis makes weeds lethal.In the resistance crop bodies such as corn, resolved into innocuous substance, thus to safety such as corns by corn ketolase.Its lasting period is longer, broad weed-killing spectrum, prevents and kill off corn field annual weed, mainly better to the preventive effect of corn field broad leaved weed.Atrazine easily by rainwater drip washing to soil comparatively deep layer, also effective to some dark root grass, but easily produce poisoning.When weeds generation density is higher, or when plant is larger, it is difficult to thoroughly kill weeds.When atrazine is used alone, dosage is large, relatively poor to grassy weed effect, has certain influence to second stubble crop wheat and other broad leaf crops.
Applicant finds still do not have the composition patent that amicarbazone, mesotrione and atrazine three are composite at present through retrieval.Find, by amicarbazones different for the mechanism of action, mesotrione and atrazine, to there is obvious synergistic effect through test simultaneously, significantly improve the control efficiency to corn, sugarcane field weeds, expand herbicide spectrum, reduce dosage, reduce cost accounting, improve crop safety.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, drug cost is low, and synergistic effect is remarkable, and herbicidal effect is good, and control spectrum is wide, to the farm weeding composition of crop safety.
Another object of the present invention is to provide the ternary weeding composition preparation formulation containing amicarbazone, mesotrione and atrazine.
Another object of the present invention is to provide the application of above-mentioned composition on control of maize, sugarcane field weeds.
In order to overcome existing unitary agent or two yuan of composite defects, the technical scheme of Herbicidal combinations of the present invention solves like this:
A) the first active component amicarbazone;
B) the second active component mesotrione;
C) the 3rd active component atrazine.
It is that to account for Herbicidal combinations weight percentage be that to account for Herbicidal combinations weight percentage be 10% ~ 80% to the 1% ~ 20%, three active component to the 1% ~ 80%, second active component that first active component accounts for Herbicidal combinations weight percentage.
The content sum of the first active component, the second active component and the 3rd active component is 20% ~ 91% of described composition total weight.
The preparation formulation that a kind of Herbicidal combinations containing amicarbazone, mesotrione and atrazine of the present invention can be prepared according to the method that those skilled in the art of the present technique are known is suspending agent, dispersibles oil-suspending agent, wetting powder, water dispersible granules.
To suspending agent, spendable auxiliary agent has: dispersant as polycarboxylate, lignosulfonates, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, alkylphenol-polyethenoxy base ether sulfonate, phenethyl phenol polyethenoxy base ether phosphate, alkyl polyoxyethylene ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, to pull open in powder, alkylpolyoxyethylene phosphate one or more; Wetting agent as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate, potassium sorbate, isothiazolinone one or more; Defoamer is as one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 aliphatic alcohols, hexanol, butanols, octanol; Antifreezing agent as in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite, urea, inorganic salts one or more; Water is deionized water.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant is as one or more in polycarboxylate, alkylnaphthalene sulfonate, TERSPERSE 2425 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt); Emulsifier is as Nongru-700 #(common name: alkylphenol formaldehyde APEO), agriculture breast 2201, this dish-60(common name: sorbitan monostearate), Tween-60 (common name: sorbitan fatty acid ester APEO), agriculture breast 1601#(common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), Huntsman Corporation of the TERSPERSE 4894(U.S. produces), Huntsman Corporation of the TERSPERSE 2500(U.S. produces) in one or more; Wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, Huntsman Corporation of the TERSPERSE 2500(U.S. produce) in one or more; Thickener is as one or more in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Antifreezing agent is if ethylene glycol, propane diols, glycerine, urea, inorganic salts are as one or more in sodium chloride; Dispersion medium is as one or more in soybean oil, rapeseed oil, corn oil, methyl oleate, castor oil.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, polyoxyethylene polyoxypropylene base ether block copolymers, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol-polyethenoxy base ether sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, alkylnaphthalene sulfonate one or more; Filler as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Dispersant as in polycarboxylate (TERSPERSE 2700, T36, GY-D06 etc.), lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, sodium sulphate, polyvinylpyrrolidone, starch and derivative thereof, bentonite one or more; Binding agent is as one or more in starch, glucose, polyvinyl alcohol, polyethylene glycol, sodium carboxymethylcellulose, sucrose; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
Instant component is reasonable, and herbicidal effect is good, and drug cost is low, and its activity and herbicidal effect are not the simple superposition of each composition activity, but there is significant synergistic effect, control of weeds spectrum can be expanded, delaying drug resistance, good to crop safety, meet the security requirement of pesticidal preparations.The present invention has good control efficiency to corn, sugarcane field weeds.
Embodiment
Below by Toxicity Determination, the synergistic effect to corn, sugarcane field weeds of amicarbazone, mesotrione and atrazine mixture is described.
In order to control of maize, sugarcane field weeds, we have carried out mutual composite synergy with amicarbazone, mesotrione and atrazine and have studied, and concrete grammar is:
Subjects be corn, sugarcane field weeds lady's-grass (
digitaria sanguinalis), barnyard grass (
echinochloa crusgalli), green foxtail (
setaria viridis), chenopodium glaucum linn (
chenopodium glaucum), kitchen garden (
portulaca oleracea), piemarker (
abutilon theophrasti).Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China's agricultural industry criteria NY/T1155.4-2006 farm-chemical indoor determination test rule weed killer herbicide the 4th part: active determination test cauline leaf spray-on process " and " People's Republic of China's agricultural industry criteria NY/T1155.7-2006 farm-chemical indoor determination test rule weed killer herbicide the 7th part: the synergy of mixture measures ".
First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different according to dosages distribution, concentration gradient arranges also different, and rate of preventing and kill off sets by geometric progression in the scope of 5% ~ 90%).If clear water contrasts, repeat 4 times.Spray-on process after employing seedling, get ready in advance and (be sowed in test basin alms bowl by every alms bowl 50 weed seeds for examination weeds seedling, every alms bowl fixed 40 strains when by the time growing to for 3 leaf phase), the medicament laryngeal spray diluted evenly is sprayed onto on weeds plant, to be evenly thoughtfully as the criterion, after insert greenhouse and normally cultivate, process the rear preventive effect calculating each chemicals treatment for 21 days by ocular estimate, by the linear regression analysis between the probit value of preventive effect and the logarithm value of series concentration, obtain the ED of each medicament
50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to weeds with this by the abundant method of Sun Yun.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Table 1 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to lady's-grass
Table 2 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to barnyard grass
Table 3 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to green foxtail
Table 4 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to chenopodium glaucum linn
Table 5 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to kitchen garden
Table 6 amicarbazone, mesotrione and atrazine combine the Toxicity Determination to piemarker
Toxicity Determination result shows: it is 1% ~ 80% that three active components account for Herbicidal combinations weight percentage according to amicarbazone, it is 1% ~ 20% that mesotrione accounts for Herbicidal combinations weight percentage, it is that 10% ~ 80% ratio is used with that atrazine accounts for Herbicidal combinations weight percentage, all have good virulence to grassy weed lady's-grass, barnyard grass, green foxtail and broad leaved weed chenopodium glaucum linn, kitchen garden, piemarker, synergistic effect is obvious.
In order to better the present invention is described, be described further content of the present invention below in conjunction with embodiment, the percentage in formula is all weight percentage.
Example of formulations 1
Take 1% amicarbazone, 3% mesotrione, 36% atrazine, 2% sodium alkyl sulfonate, 2% polyoxyethylene polyoxypropylene base ether block copolymers, 1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% octanol, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 40% amicarbazone mesotrione atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 2
Take 10% amicarbazone, 10% mesotrione, 30% atrazine, 2% alkyl phenol formaldehyde resin polyoxyethylene ether, 3% phenethyl phenol polyethenoxy base ether phosphate, 0.2% aluminium-magnesium silicate, 5% propane diols, 0.5% potassium sorbate, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product Company), deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 50% amicarbazone mesotrione atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 3
Take 20% amicarbazone, 20% mesotrione, 40% atrazine, 2% Negel, Huntsman Corporation of the 3%TERSPERSE 2020(U.S. produce), 0.2% polyvinyl alcohol, 5% sorbierite, 0.5% isothiazolinone, 0.5% octanol, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 80% amicarbazone mesotrione atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 4
Take 10% amicarbazone, 15% mesotrione, 30% atrazine, 2% Negel, 4% this dish-60#, 3% Tween-60 #, 4% agriculture breast 2201#, 3% Nongru-700 #, 1% sodium naphthalene sulfonate, 0.5% white carbon, 5% glycerine, rapeseed oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 55% amicarbazone mesotrione atrazine obtained after sand mill sand milling.
Example of formulations 5
Take 30% amicarbazone, 5% mesotrione, 20% atrazine, 2% dispersing agent NNO, 3% this dish-60#, 8% BY-110,1% alkylphenol polyoxyethylene phosphate, 1% bentonite, 3% glycerine, little wheat oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 55% amicarbazone mesotrione atrazine obtained after sand mill sand milling.
Example of formulations 6
Take 2% amicarbazone, 2% mesotrione, 80% atrazine, 2% dispersing agent NNO, 2% agriculture breast 2201#, 4% Huntsman Corporation of BY-110,1%TERSPERSE 2500(U.S. produce), 1% white carbon, 2% sodium chloride, methyl oleate adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 84% amicarbazone mesotrione atrazine obtained after sand mill sand milling.
Example of formulations 7
Take 3% amicarbazone, 10% mesotrione, 42% atrazine, 4% polycarboxylic acids calcium, 3% alkylphenol-polyethenoxy base ether phosphate, 2% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 2% Negel, 3% White Carbon black, attapulgite adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 55% amicarbazone mesotrione atrazine wetting powder after air-flow crushing.
Example of formulations 8
Take 30% amicarbazone, 10% mesotrione, 20% atrazine, 5% polycarboxylic acids calcium, 2% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 2% lauryl sodium sulfate, 5% talcum powder, fine particle calcium carbonate adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 60% amicarbazone mesotrione atrazine wetting powder after air-flow crushing.
Example of formulations 9
Take 35% amicarbazone, 5% mesotrione, 15% atrazine, 5% polyoxyethylene polyoxypropylene base ether block copolymers, 2% Nekal BX (nekal), 2% sodium alkyl sulfonate, 5% White Carbon black, diatomite adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 55% amicarbazone mesotrione atrazine wetting powder after air-flow crushing.
Example of formulations 10
Take 80% amicarbazone, 1% mesotrione, 10% atrazine, 2% GY-D06(polycarboxylate), 1% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% sodium alkyl sulfonate, 0.5% carboxymethyl cellulose, white carbon adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 91% amicarbazone mesotrione atrazine water dispersible granule.
Example of formulations 11
Take 5% amicarbazone, 10% mesotrione, 20% atrazine, 4% TERSPERSE 2700(polycarboxylate, Huntsman Corporation of the U.S. produce), 2% sodium lignin sulfonate, 2% Nekal BX (nekal), 2%K-12(lauryl sodium sulfate), 5% sulphur ammonium, 3% corn starch, fine particle calcium carbonate adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 35% amicarbazone mesotrione atrazine water dispersible granule.
Example of formulations 12
Take 4% amicarbazone, 6% mesotrione, 25% atrazine, 4% sodium lignin sulfonate, 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 2% Nekal BX (nekal), 2% sodium naphthalene sulfonate, 3% polyvinyl alcohol, 5% sulphur ammonium, talcum powder adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 35% amicarbazone mesotrione atrazine water dispersible granule.
Biological Examples 1: control of maize field weed field control effectiveness test.
Inventor has carried out example of formulations 2(50% amicarbazone mesotrione atrazine suspending agent in 2014 in commander Bai Jiaao village, town, south, Fengxiang County, Baoji, Shaanxi province city), example of formulations 4(55% amicarbazone mesotrione atrazine dispersibles oil-suspending agent) control of maize field weed field control effectiveness test, demonstrate the control efficiency of this medicament to corn field weed and the safety to corn.Trial crops is corn, and controlling object is corn field annual broadleaf weed and grassy weed, and weed size is in 2 ~ 5 leaf phases.Experimental field physical features is smooth, and soil is loam, middle fertility, pH value 7.1.Test medicine and dosage refer to table 7.Separately establish blank, often process 4 times and repeat, every community 30 ㎡, Gong32Ge community, random district, community group arranges.Adopt conventional spray-on process, mu dispenser liquid 45kg.
Table 7 control of maize field weed field control effectiveness test result
Field test results shows, 50% amicarbazone mesotrione atrazine suspending agent, 55% amicarbazone mesotrione atrazine dispersibles oil-suspending agent has good control efficiency to corn field weed, by 100 grams/acre of sprayings 1 time, 95.61%, 94.36% is respectively to the average preventive effect of 20 days after corn field weed medicine, is obviously better than the preventive effect of 75% amicarbazone water dispersible granules 25 grams/acre, 15% mesotrione suspending agent 60 grams/acre, 50% atrazine suspending agent 150 grams/acre.By to significance of difference analysis in 20 days after medicine, amicarbazone, mesotrione and atrazine combine with other control treatment preventive effect otherness remarkable.
Security survey: duration of test is observed, and all reagent agents, to corn growth safety, occur without poisoning phenomenon.
Biological Examples 2: prevent and kill off sugarcane field weeds field control effectiveness test.
Inventor has carried out example of formulations 7(55% amicarbazone mesotrione atrazine wetting powder in 2014 in Jiang Zhou town, Jiangzhou district, Chongzuo City, Guangxi Zhuang Autonomous Region), example of formulations 11(35% amicarbazone mesotrione atrazine water dispersible granule) prevent and kill off sugarcane field weeds field control effectiveness test, demonstrate the control efficiency of this medicament to sugarcane field weeds and the safety to sugarcane.Trial crops is sugarcane, and controlling object is sugarcane field annual broadleaf weed and the rhizome of nutgrass flatsedge, and weed size is in 2 ~ 5 leaf phases.Experimental field physical features is smooth, and soil property is sandy loam, middle fertility, pH value 5.5.Test medicine and dosage refer to table 8.Separately establish blank, often process 4 times and repeat, every community 35 ㎡, Gong32Ge community, random district, community group arranges.Hand-powered knapsack sprayer is adopted to carry out cauline leaf spraying, mu dispenser liquid 45kg.
Sugarcane field weeds field control effectiveness test result prevented and treated by table 8
Field test results shows, 55% amicarbazone mesotrione atrazine wetting powder, 55% amicarbazone mesotrione atrazine water dispersible granule have good control efficiency to beautiful sugarcane field weeds, by 100 grams/acre of sprayings 1 time, 94.16%, 95.59% is respectively to the average preventive effect of 20 days after sugarcane field weeds medicine, is obviously better than the preventive effect of 75% amicarbazone water dispersible granules 25 grams/acre, 15% mesotrione suspending agent 60 grams/acre, 50% atrazine suspending agent 150 grams/acre.By to significance of difference analysis in 20 days after medicine, amicarbazone, mesotrione and atrazine combine with other control treatment preventive effect otherness remarkable.
Security survey: duration of test is observed, and all reagent agents, to sugarcane production safety, occur without poisoning phenomenon.
In sum, composition of the present invention is employing three kinds of active component compound schemes, its activity and herbicidal effect are not the simple superposition of each composition activity, compared with existing unitary agent or binary built preparation, have significant herbicidal effect, synergistic effect is remarkable, can delaying drug resistance, preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (5)
1. the ternary weeding composition containing amicarbazone, it is characterized in that: active component is made up of amicarbazone, mesotrione and atrazine, it is 1% ~ 80% that amicarbazone accounts for Herbicidal combinations weight percentage, it is 1% ~ 20% that mesotrione accounts for Herbicidal combinations weight percentage, and it is 10% ~ 80% that atrazine accounts for Herbicidal combinations weight percentage.
2. a kind of ternary weeding composition containing amicarbazone according to claim 1, is characterized in that: the content sum of amicarbazone, mesotrione and atrazine is 20% ~ 91% of described composition total weight.
3. a kind of ternary weeding composition containing amicarbazone according to claim 1, is characterized in that: described combination dosage form is suspending agent, dispersibles oil-suspending agent, wetting powder, water dispersible granules.
4. a kind of purposes of ternary weeding composition on control of maize, sugarcane field weeds containing amicarbazone according to claim 1.
5. purposes according to claim 5, corn, sugarcane field weeds comprise grassy weed and broad leaved weed.
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| CN106561669A (en) * | 2016-11-10 | 2017-04-19 | 陕西上格之路生物科学有限公司 | Ternary weeding composition |
| CN113287616A (en) * | 2021-06-21 | 2021-08-24 | 广西壮族自治区农业科学院 | Weeding composition containing atrazine, mesotrione and bialaphos and application thereof |
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