CN103053554B - Wheat paddock weeding composition - Google Patents

Wheat paddock weeding composition Download PDF

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Publication number
CN103053554B
CN103053554B CN201310040708.5A CN201310040708A CN103053554B CN 103053554 B CN103053554 B CN 103053554B CN 201310040708 A CN201310040708 A CN 201310040708A CN 103053554 B CN103053554 B CN 103053554B
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composition
wheat
florasulam
fluroxypyr
chlorine
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CN103053554A (en
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郑敬敏
何爱华
李明甫
时晓磊
冯建雄
张崇斌
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Agricultural core crop Technology Co., Ltd.
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SHAANXI NORSYN CROP TECHNOLOGY Co Ltd
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Abstract

The invention discloses a wheat paddock weeding composition. The composition comprise the active ingredients of florasulam, fluroxypyr and MCPA-isooctyl in a weight ratio of (0.2-1.2):(5-20):(15-60). The composition can be formulated into a suspending agent, a dispersible oil suspending agent, suspension emulsion and a creaming agent, is reasonable in component, has a good weeding effect and is low in use cost; besides a remarkable weeding effect, the composition has obvious synergism compared with an existing single preparation and an existing binary mixed preparation since the activity and the weeding effect of the composition are not realized by the simple superposition of the activity and the weeding effects of the active ingredients; and the composition is good in safety and meets the safety requirements of agricultural chemicals, and the weeding activity of the composition to wheat paddock weeds is high.

Description

A kind of Wheat field weeding composition
Technical field
The present invention relates to a kind of Wheat field weeding composition, its active component is florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine, belongs to technical field of compounded pesticide.
Background technology
Florasulam, has another name called Mai Shida, English common name Florasulam, chemical name: 2', 6'-bis-fluoro-5-ethyoxyl-8-fluorine [1,2,4] triazoles [1,5-C] pyrimidine-2-sulfonanilide.Florasulam is triazolopyrimidine sulfonamides super-high-efficient weed killer herbicide, is mainly used in preventing and treating wheat paddock broad leaved weed, as clearvers, chickweed, corn gromwell etc. are had to good preventive effect, but general to broadcasting the preventive effects such as ma wormwood artemisia, shepherd's purse, alone slow to weeds drug effect, herbicide is not thorough, has demutation phenomenon.
Fluroxypyr, has another name called: make that it is grand, fluorine is careless fixed, and English common name fluroxypyr, chemical name: 4-is amino-3, the fluoro-pyridine-2-of the chloro-6-of 5-bis-pyridine fluoroacetic acid-1-methyl-heptyl ester.Be applicable to prevent and kill off the various broad leaved weeds of gramineous crop Tanaka such as wheat, barley, corn, as high to preventive effects such as clearvers, volume stem knotweed, kitchen garden, black nightshade, chickweed, common vetch, field bindweeds, to anti-heterodynes such as corn gromwell, oak-leaved goosefeets.
The different monooctyl ester of 2 first 4 chlorine, English common name MCPA-isooctyl, chemical name: the different monooctyl ester of methoxone, for hormone-type selective herbicide, there is stronger interior suction conductivity, be used for preventing and treating paddy field, the multiple broad leaved weed of wheat paddock, its shortcoming is that consumption is bigger than normal, poor to Crop securify.
3.5 hundred million mu of wheat areas are planted throughout the year by China, are only second to paddy rice.Wheat, from after planting endangered by various broad leaved weeds to results, mainly contains common sow thistle, annual fleabane herb, field thistle, chickweed, ox chickweed, Siberian cocklebur, corn gromwell, common vetch, hairy tare, shepherd's purse, Hairy Bittercress, Veronica, Carolina Cranesbill Herb etc.Be subject to the multiple Effects of Factors such as climate, soil property, cropping system, wheat weeds group and generation quantity difference between interzone, field are large.Chemical control wheat weeds is the most effective means.According to inventor, in recent years in the main growing area investigation of wheat, find Hebei Province shepherd's purse, broadcast ma wormwood artemisia, the clearvers in Henan, the ox chickweed in Jiangsu, chickweed, the field bindweed of Xinjiang, Gansu, Ningxia, China occurs serious, and resistance is serious.
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, the Wheat field weeding composition to crop safety.
Another object of the present invention is to provide the application of above-mentioned composition in eliminating weed in wheat field.
In order to overcome the defect of existing unitary agent, the present invention proposes following solution.
A kind of Wheat field weeding composition, its active component is florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine, wherein the weight ratio of florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine is 0.2~1.2:5~20:15~60, is preferably 0.2~1.2:6~15:15.8~45.5.
Wheat field weeding composition of the present invention can be mixed with multiple formulation according to method known in those skilled in the art, as suspending agent, dispersible oil-suspending agent, suspended emulsion, missible oil etc.
To suspending agent, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation, alkyl naphthalene sulfonic acid salt) in one or more; Arlacel-60 APEO), agriculture breast 1601#(common name sorbitan monostearate), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name emulsifier is as Nongru-700 #(common name:::: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894(U.S. Huntsman Corporation produces) in one or more; Wetting agent is produced as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500(U.S. Huntsman Corporation) in one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more; Defoamer is as organic silicon defoamer; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Water is deionized water.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, the HUNTSMAN of TERSPERSE 2020(U.S. Huntsman Corporation, alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier is as BY(castor oil polyoxyethylene ether) one or more in serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #, agriculture breast 2201, this dish-60#, Tween-60 #, agriculture breast 1601#, TERSPERSE 4894; Wetting agent as in alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 one or more; Thickener as in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Dispersion medium as in soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil one or more.
To suspended emulsion, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425(U.S. Huntsman Corporation, alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier is as one or more in Nongru-700 #, agriculture breast 2201, this dish-60#, Tween-60 #, agriculture breast 1601#, triphen ethyl phenol polyoxyethylene groups ether phosphate, TERSPERSE 4894; Wetting agent as in alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 one or more; Solvent: one or more in dimethylbenzene, toluene, cyclohexanone, acetone, ethyl acetate, solvent naphtha (S-150, S-180, S-200); Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more; Defoamer is as organic silicon defoamer; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Stabilizing agent as in triphenyl phosphite, epoxychloropropane, aceticanhydride one or more; Water is deionized water.
For missible oil, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201#, this dish-60#, Tween-60 #, TX-10(common name: octyl phenol polyoxy ethene (10) ether), in agriculture breast 1601#, agriculture breast 600#, the newborn 400# of agriculture one or more; Solvent as in dimethylbenzene, toluene, solvent naphtha (S-150, S-180, S-200), toluene, methyl alcohol, dimethyl formamide, 1-METHYLPYRROLIDONE, cyclohexanone, acetone, dimethyl sulfoxide (DMSO) one or more.
Inventor is through a large amount of lab screenings and field control effectiveness test, after discovery is mixed florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine by a certain percentage, can solve the problem of wheat main producing region field resistance weeds, there is obvious synergistic effect, can reduce use cost, high to crop safety.Component of the present invention is reasonable, and preventive effect is better than the independent or any 2 yuan of activity that are mixed while using of each component, has synergistic effect, reduces cost accounting, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to all kinds of broad leaved weeds between wheat paddock.
Embodiment
Below by Toxicity Determination, the synergistic effect that florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine are mixed to weeds of wheat is described.
Subjects is respectively wheat paddock resistant weed chickweed, shepherd's purse, field bindweed.Former medicine is mixed with to the test medicine needing, test method is with reference to the agricultural industry criteria NY/T1155.7-2006 of < < People's Republic of China (PRC) farm-chemical indoor determination test rule weed killer herbicide the 7th part: > > is measured in the synergy being mixed.First single dose and each Mixed Pharmacy are arranged to 4 various dose (referring to table 1).If clear water contrast, repeats 4 times.Spray-on process after employing seedling, get ready in advance for examination weeds seedling and (by 50 weed seeds of every alms bowl, be sowed in test basin alms bowl, by the time grow to fixed 40 strains of every alms bowl during the phase of 3 leaves), the medicament having diluted is evenly sprayed onto on weeds plant with laryngeal spray, to be evenly thoughtfully as the criterion, after insert greenhouse and normally cultivate, process within latter 14 days, cutting off each and process green portion on the ground, adopt scales/electronic balance weighing, calculate actual survival rate E and theoretical survival rate E 0, with the check of Colby method, evaluate the mixed synergy type to weeds of three.
Actual survival rate E (%)=(treatment region weeds fresh weight/check plot weeds fresh weight) * 100
Theoretical survival rate E 0=A * B * C * n/100 (n-1)
In formula, A, B, C represent respectively the actual survival rate of three kinds of single doses, and n is mixture herbicide kind quantity.Work as E 0during-E > 10%, illustrate and produce synergistic effect, work as E 0during-E <-10%, illustrate and produce antagonism, work as E 0-E between ± 10% time, illustrates and produces addition.
Toxicity Determination result shows: florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine have good virulence in table 1-3 using dosage is mixed with ratio to chickweed, shepherd's purse, field bindweed, all have good synergistic effect.
Below in conjunction with embodiment, content of the present invention is described further.
FORMULATION EXAMPLE 1
Take 0.4% florasulam, 9% fluroxypyr, the 25.7% 2 different monooctyl esters of first 4 chlorine, 4%TERSPERSE 4894,1.5%TERSPERSE 2500,2% TERSPERSE 2020(U.S. Huntsman Corporation produce), 1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces), deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making the different monooctyl ester suspending agent of 35.1% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling.
FORMULATION EXAMPLE 2
Take 0.4% florasulam, 12% fluroxypyr, the 35.6% 2 different monooctyl esters of first 4 chlorine, 5%TERSPERSE 4894,2%TERSPERSE 2500,3%TERSPERSE 2020,0.2% xanthans, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making the different monooctyl ester suspending agent of 48% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling.
FORMULATION EXAMPLE 3
Take 0.8% florasulam, 6% fluroxypyr, the 15.8% 2 different monooctyl esters of first 4 chlorine, 2%TERSPERSE 2020,4% this dish-60#, 3% Tween-60 #, 4% agriculture breast 2201#, 3% Nongru-700 #, 1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, methyl oleate adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making the different monooctyl ester of 22.6% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling, dispersibles oil-suspending agent.
FORMULATION EXAMPLE 4
Take 0.4% florasulam, 9% fluroxypyr, the different monooctyl ester of 15.8%2 first 4 chlorine, 2% dispersing agent NNO, 3% agriculture breast 2201#, 10% BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% glycerine, soybean oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making the different monooctyl ester of 25.2% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling, dispersibles oil-suspending agent.
FORMULATION EXAMPLE 5
Take 0.3% florasulam, 5% fluroxypyr, the 31.7% 2 different monooctyl esters of first 4 chlorine, 2.5% triphen ethyl phenol polyoxyethylene groups ether phosphate, 1.5% dispersing agent NNO, 4% TERSPERSE 4894(U.S. Huntsman Corporation produces), 5% cyclohexanone, 5% toluene, 2.5% this dish-60#, 3.5% Tween-60 #, 1% TERSPERSE 2500,2% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 1% epoxychloropropane, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.
Operating procedure: 1, in above-mentioned raw materials, the 2 first different monooctyl esters of 4 chlorine and dissolution with solvents add emulsifier to mix after completely, 2, unclassified stores is through mixing, 3, by mixing material in 1, drop in 2 materials, high speed shear is disperseed 30min, with making the different monooctyl ester suspended emulsion of 37% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling.
FORMULATION EXAMPLE 6
Take 0.5% florasulam, 10% fluroxypyr, the 40% 2 different monooctyl esters of first 4 chlorine, 2% sodium lignin sulfonate, 1% TERSPERSE 2425(U.S. Huntsman Corporation produces), 5% dimethylbenzene, 5% ethyl acetate, 3% Nongru-700 #, 3.5% Tween-60 #, 2%TERSPERSE 4894,1% aluminium-magnesium silicates, 0.2% xanthans, 5% propane diols, 1% epoxychloropropane, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.
Operating procedure: 1, in above-mentioned raw materials, the 2 first different monooctyl esters of 4 chlorine and dissolution with solvents add emulsifier and stabilizing agent to mix after completely, 2, unclassified stores is through mixing, 3, by mixing material in 1, drop in 2 materials, high speed shear is disperseed 30min, with making the different monooctyl ester suspended emulsion of 50.5% florasulam fluroxypyr 2 first 4 chlorine after sand mill sand milling.
FORMULATION EXAMPLE 7
Take 0.2% florasulam, 6% fluroxypyr, the 15.8% 2 different monooctyl esters of first 4 chlorine, 4% agriculture breast 500#, 2% agriculture breast 600#, 3% agriculture breast 2201#, 2% dimethyl sulfoxide (DMSO), dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes the different monooctyl ester missible oil of 22% florasulam fluroxypyr 2 first 4 chlorine after stirring and dissolving is complete.
FORMULATION EXAMPLE 8
Take 1.2% florasulam, 20% fluroxypyr, the 60% 2 different monooctyl esters of first 4 chlorine, 3% agriculture breast 500#, 3% agriculture breast 400#, 3% Nongru-700 #, 1-METHYLPYRROLIDONE adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes the different monooctyl ester missible oil of 81.2% florasulam fluroxypyr 2 first 4 chlorine after stirring and dissolving is complete.
Biological Examples eliminating weed in wheat field field control effectiveness test
Inventor has carried out the different monooctyl ester suspending agent of FORMULATION EXAMPLE 2(48% florasulam fluroxypyr 2 first 4 chlorine in Zhouzhi County, 25 in December, 2011 Shaanxi Province) eliminating weed in wheat field field control effectiveness test.During test, tiller for wheat 2-3, the broad leaved weed 3-5 sheet leaves such as shepherd's purse, clearvers, chickweed.Test medicine and dosage refer to table 4.Take spray clear water as contrast (CK).Repeat for 4 times, random district group is arranged, community area 20 ㎡.Adopting the electronic knapsack sprayer of mark standing grain board to carry out cauline leaf spraying, is 30kg/667 ㎡ by amount of liquid medicine.
Investigation and statistical method:
After medicine 7,14,21d observes the growing state of wheat seedling in each community.21d after medicine, every community is got 4 points at random, every 0.25 ㎡, weeds strain number in point is recorded in investigation, and calculates preventive effect.
Preventive effect (%)=(blank district number of weeds-treatment region number of weeds)/number of weeds * 100, blank district.
Test results and analysis: after medicine 7,14,21d observes, and all do not find that the dead seedling of wheat, blade yellow, growth are subject to the poisoning phenomenons such as stagnant in each community.The different monooctyl ester suspending agent of 48% florasulam fluroxypyr 2 first 4 chlorine is pressed 40g/667 ㎡, 30g/667 ㎡, 20g/667 ㎡ consumption, carrying out cauline leaf spraying processes, after medicine 21 days to weeds of wheat clearvers, shepherd's purse, chickweed, broadcast ma wormwood artemisia and all have good preventive effect, average preventive effect, more than 94.4%, is obviously better than the preventive effect (in Table 4) of binary mixture and single dose.Particularly the mixed antagonism weeds shepherd's purse of ternary, broadcast ma wormwood artemisia preventive effect more more outstanding than binary mixture and single dose, efficiently solve this two kinds of problems that weeds are difficult to prevent and kill off.
Note: cost is estimated with former medicine valency: 1700 yuan/Kg of florasulam, 130 yuan/Kg of fluroxypyr, 38 yuan/Kg of the 2 first different monooctyl esters of 4 chlorine.
By cost accounting, the different monooctyl ester suspending agent of 48% florasulam fluroxypyr 2 first 4 chlorine 40g, 30g/667 ㎡ are slightly higher than 5% florasulam suspending agent 10g/667 ㎡ cost, but preventive effect obviously improves, particularly solve shepherd's purse, broadcast ma wormwood artemisia problem, lower than other chemicals treatment cost.
After result of the test shows that florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine are mixed, improve the preventive effect to wheat weeds, there is obvious synergistic effect, saved drug cost simultaneously, and to wheat safety, therefore produce and have wide practical use.

Claims (4)

1. a Wheat field weeding composition, it is characterized in that Herbicidal combinations active component is florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine, wherein the weight ratio of florasulam, fluroxypyr and the different monooctyl ester of 2 first 4 chlorine is 0.2~0.8:6~15:15.8~45.5.
2. Wheat field weeding composition according to claim 1, is characterized in that: Herbicidal combinations is suspending agent, dispersible oil-suspending agent, suspended emulsion or missible oil.
3. the application of Wheat field weeding composition in control weeds of wheat described in claim 1.
4. application according to claim 3, described weeds of wheat is chickweed, shepherd's purse, field bindweed, broadcast ma wormwood artemisia or clearvers.
CN201310040708.5A 2013-02-04 2013-02-04 Wheat paddock weeding composition Active CN103053554B (en)

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CR20160297A (en) * 2014-01-15 2016-08-04 Dow Agrosciences Llc HERBICIDE COMPOSITION CONTAINING CARBOXYL ACID 4-AMINO-3-CHLORINE-6- (4-CHLORINE-2-FLUORO-3-METOXYPHENYL) PIRIDINA-2, FLUROXIPIR AND PHENOXIAUXINS
CN104365629A (en) * 2014-11-13 2015-02-25 江苏富鼎化学有限公司 Mixed herbicide containing pyroxsulam, fluroxypyr and florasulam
CN106665611A (en) * 2016-12-03 2017-05-17 安徽丰乐农化有限责任公司 Postemergence weeding composition containing 2-methyl-4-chloro-phenoxyacetic acid isooctyl, florasulam and terbuthylazine for millet seedling
CN109644747A (en) * 2018-12-14 2019-04-19 上源环工生态环境科技(苏州)有限公司 A kind of method of eradication of subterranean stem plant variety

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KR101802528B1 (en) * 2009-04-15 2017-11-28 다우 아그로사이언시즈 엘엘씨 Synergistic herbicidal composition containing florasulam for weed control in turf
CN102318618A (en) * 2011-07-07 2012-01-18 陕西美邦农药有限公司 Weeding composition containing florasulam and fluroxypyr
CN102318632A (en) * 2011-07-18 2012-01-18 广西田园生化股份有限公司 Synergistic weeding composition containing fluroxypyr
CN102657172A (en) * 2012-04-05 2012-09-12 李娟� Weeding composition for wheat fields
CN102630685A (en) * 2012-04-25 2012-08-15 河南省农业科学院 Composite weedicide

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