CN104872145A - Weeding composition with amicarbazone and atrazine - Google Patents
Weeding composition with amicarbazone and atrazine Download PDFInfo
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- CN104872145A CN104872145A CN201510326947.6A CN201510326947A CN104872145A CN 104872145 A CN104872145 A CN 104872145A CN 201510326947 A CN201510326947 A CN 201510326947A CN 104872145 A CN104872145 A CN 104872145A
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Abstract
The invention discloses weeding composition with amicarbazone and atrazine and an application thereof. The weeding composition with amicarbazone and atrazine is composed of 1-80% of first active ingredient-amicarbazone, 10-80% of second active ingredient-atrazine and rest of aids by weight. The weeding composition can be prepared into suspending agent, dispersible oil suspended agent, wettable powder and water dispersible granule allowable in agriculture. The weeding composition is reasonable in ingredient, good in weeding effect and low in drug cost, the activity and weeding effect thereof are not only the simple superposition of the activity of each ingredient, compared with the existing single preparation, the weeding composition has obvious weeding effect, obvious synergism and good safety, conforms to the safety requirement of pesticide preparation and has high weeding activity for the maize and sugarcane field weed.
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 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.
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.
Inventor by literature search, also do not find that there is the report of amicarbazone and atrazine mixture, through a large amount of lab screenings and field control effectiveness test, find after amicarbazone all not identical with the mechanism of action for chemical classes and atrazine mixture, good to corn, sugarcane field weed control efficacy, there is obvious synergistic effect, can use cost be reduced, delaying drug resistance produces, high to crop safety.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and herbicidal effect is good, and drug cost is low, to corn, the sugarcane field Herbicidal combinations of crop safety.
The Herbicidal combinations preparation formulation provided containing amicarbazone and atrazine is provided.
Another object of the present invention is to provide above-mentioned composition preventing and kill off the application on corn, sugarcane field weeds.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention solves like this, and a kind of Herbicidal combinations containing amicarbazone and atrazine, is characterized in that, comprising:
A) the first active component amicarbazone;
B) the second active component atrazine;
It is that to account for Herbicidal combinations weight percentage be 10% ~ 80% 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 and the second active component is 20% ~ 90% of described composition total weight.
The preparation formulation that the Herbicidal combinations of amicarbazone of the present invention and atrazine 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 preventive effect is better than activity when each component is used separately, has synergistic effect, expands control of weeds spectrum, slows down resistance and produces, reduce spraying times, reduce cost accounting, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to corn, sugarcane field grassy weed and broad leaved weed.
Embodiment
Illustrate whether amicarbazone and atrazine mixture have synergistic effect to corn, sugarcane field weeds below by Toxicity Determination.
In order to prevent and kill off corn, sugarcane field weeds, we have carried out mutual composite synergy research with amicarbazone and atrazine, and concrete grammar is:
Subjects is corn, sugarcane field difficulty removes lady's-grass (
digitaria sanguinalis), green foxtail (
setaria viridis), 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 and atrazine combine the Toxicity Determination to lady's-grass
Table 2 amicarbazone and atrazine combine the Toxicity Determination to green foxtail
Table 3 amicarbazone and atrazine combine the Toxicity Determination to kitchen garden
Table 4 amicarbazone and atrazine combine the Toxicity Determination to piemarker
Toxicity Determination result shows: be 1% ~ 80% when amicarbazone accounts for Herbicidal combinations weight percentage, atrazine accounts for Herbicidal combinations weight percentage when being 10% ~ 80%, the two is composite has good virulence to lady's-grass, green foxtail, kitchen garden, piemarker, and synergistic effect is remarkable.
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 5% amicarbazone, 30% atrazine, Huntsman Corporation of the 1.5%TERSPERSE 2500(U.S. produce), 2%T polyoxyethylene polyoxypropylene base ether block copolymers, 1% carboxymethyl cellulose, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% butanols, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 35% amicarbazone atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 2
Take 10% amicarbazone, 30% atrazine, 2% alkyl phenol formaldehyde resin polyoxyethylene ether, Huntsman Corporation of the 3%TERSPERSE 2020(U.S. produce), 0.2% aluminium-magnesium silicate, 5% propane diols, 0.5% benzoic acid, 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 40% amicarbazone atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 3
Take 8% amicarbazone, 40% atrazine, 2% Negel, Huntsman Corporation of the 3%TERSPERSE 2020(U.S. produce), 0.2% xanthans, 5% polyethylene glycol, 0.5% Sodium Benzoate, 0.5% octanol, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 48% amicarbazone atrazine suspending agent obtained after sand mill sand milling.
Example of formulations 4
Take 5% amicarbazone, 40% atrazine, 2% Negel, 4% this dish-60#, 3% Tween-60 #, 4% agriculture breast 2201#, 3% Nongru-700 #, 1% sodium alkyl sulfonate, 0.5% white carbon, 5% propane diols, soybean oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 45% amicarbazone atrazine obtained after sand mill sand milling.
Example of formulations 5
Take 10% amicarbazone, 40% atrazine, 2% dispersing agent NNO, 3% this dish-60#, 10% BY-110,1% alkylphenol polyoxyethylene phosphate, 1% aluminium-magnesium silicate, 3% 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 50% amicarbazone atrazine obtained after sand mill sand milling.
Example of formulations 6
Take 20% amicarbazone, 15% atrazine, 2% dispersing agent NNO, 3% agriculture breast 2201#, 10% Huntsman Corporation of BY-110,1%TERSPERSE 2500(U.S. produce), 1% polyvinyl alcohol, 3% urea, 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 35% amicarbazone atrazine obtained after sand mill sand milling.
Example of formulations 7
Take 50% amicarbazone, 10% atrazine, 4% calcium lignosulfonate, 3% alkylphenol-polyethenoxy base ether phosphate, 2% aliphatic alcohol polyoxyvinethene phosphate, 2% Negel, 3% White Carbon black, potter's clay adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 60% amicarbazone atrazine wetting powder after air-flow crushing.
Example of formulations 8
Take 10% amicarbazone, 35% atrazine, 5% polycarboxylic acids calcium, 2% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 2% lauryl sodium sulfate, 5% talcum powder, kaolin adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 45% amicarbazone atrazine wetting powder after air-flow crushing.
Example of formulations 9
Take 40% amicarbazone, 20% atrazine, 5% polyoxyethylene polyoxypropylene base ether block copolymers, 2% Nekal BX (nekal), 2% sodium alkyl sulfonate, 5% White Carbon black, talcum powder adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 60% amicarbazone atrazine wetting powder after air-flow crushing.
Example of formulations 10
Take 5% amicarbazone, 70% atrazine, 2% T36(polycarboxylate), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% sodium alkyl sulfonate, 1% carboxymethyl cellulose, kaolin 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 75% amicarbazone atrazine water dispersible granule.
Example of formulations 11
Take 10% amicarbazone, 10% 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, attapulgite 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 20% amicarbazone atrazine water dispersible granule.
Example of formulations 12
Take 10% amicarbazone, 70% atrazine, 4% GY-D06(polycarboxylate), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 2% Nekal BX (nekal), 2% sodium naphthalene sulfonate, 3% polyvinyl alcohol, 5% sulphur ammonium, potter's clay 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 80% amicarbazone atrazine water dispersible granule.
Biological Examples 1: control of maize field weed field control effectiveness test.
Inventor has carried out example of formulations 1(35% amicarbazone atrazine suspending agent in 2014 in commander Bai Jiaao village, town, south, Fengxiang County, Baoji, Shaanxi province city), example of formulations 4(45% amicarbazone 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 5.Separately establish blank, often process 4 times and repeat, every community 30 ㎡, Gong20Ge community, random district, community group arranges.Adopt conventional spray-on process, mu dispenser liquid 45kg.
Table 5 control of maize field weed field control effectiveness test result
Field test results shows, 35% amicarbazone atrazine suspending agent, 45% amicarbazone atrazine dispersibles oil-suspending agent has good control efficiency to corn field weed, by 100 grams/acre of sprayings 1 time, 94.89%, 93.99% 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, 50% atrazine suspending agent 150 grams/acre.By to significance of difference analysis in 20 days after medicine, amicarbazone and atrazine combine with other control treatment preventive effect otherness remarkable.
Biological Examples 2: prevent and kill off sugarcane field weeds field control effectiveness test.
Inventor has carried out example of formulations 2(40% amicarbazone atrazine suspending agent in 2014 in Jiang Zhou town, Jiangzhou district, Chongzuo City, Guangxi Zhuang Autonomous Region), example of formulations 5(50% amicarbazone atrazine dispersibles oil-suspending agent) 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 6.Separately establish blank, often process 4 times and repeat, every community 35 ㎡, Gong20Ge 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 6
Field test results shows, 40% amicarbazone atrazine suspending agent, 50% amicarbazone atrazine dispersibles oil-suspending agent has good control efficiency to sugarcane field weeds, by 100 grams/acre of sprayings 1 time, 95.94%, 95.16% 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, 50% atrazine suspending agent 150 grams/acre.By to significance of difference analysis in 20 days after medicine, amicarbazone and atrazine combine with other control treatment preventive effect otherness remarkable.
In sum, composition of the present invention is employing two 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, 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. one kind contains the Herbicidal combinations of amicarbazone and atrazine, it is characterized in that: be made up of the first active component amicarbazone and the second active component atrazine and auxiliary agent, it is that to account for Herbicidal combinations weight percentage be 10% ~ 80% to the 1% ~ 80%, second active component that first active component accounts for Herbicidal combinations weight percentage.
2. contain the Herbicidal combinations of amicarbazone and atrazine according to claim 1, it is characterized in that: the content sum of the first active component and the second active component is 20% ~ 90% of described composition total weight.
3. contain the Herbicidal combinations of amicarbazone and atrazine according to claim 1, it is characterized in that: described combination dosage form is suspending agent, dispersibles oil-suspending agent, wetting powder, water dispersible granules.
4. contain the application of Herbicidal combinations on control of maize, sugarcane field grassy weed and broad leaved weed of amicarbazone and atrazine according to claim 1.
5. apply according to claim 4, corn, sugarcane field grassy weed are lady's-grass, green foxtail, and broad leaved weed is kitchen garden, piemarker.
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