CN103053554A - Wheat paddock weeding composition - Google Patents
Wheat paddock weeding composition Download PDFInfo
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- CN103053554A CN103053554A CN2013100407085A CN201310040708A CN103053554A CN 103053554 A CN103053554 A CN 103053554A CN 2013100407085 A CN2013100407085 A CN 2013100407085A CN 201310040708 A CN201310040708 A CN 201310040708A CN 103053554 A CN103053554 A CN 103053554A
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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
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'-two fluoro-5-ethyoxyl-8-fluorine [1,2,4] triazoles [1,5-C] pyrimidine-2-sulfonanilides.Florasulam is triazolopyrimidine sulfonamides super-high-efficient weed killer herbicide, is mainly used in preventing and treating the wheat paddock broad leaved weed, as clearvers, chickweed, corn gromwell etc. are had good preventive effect, but general to broadcasting the preventive effects such as ma wormwood artemisia, shepherd's purse, alone slow to the weeds drug effect, herbicide is not thorough, and the demutation phenomenon is arranged.
Fluroxypyr has another name called: make that it is grand, fluorine is careless fixed, and English common name fluroxypyr, chemical name: 4-is amino-3,5-two chloro-6-fluoro-pyridine-2-pyridine fluoroacetic acid-1-methyl-heptyl esters.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, be the hormone-type selective herbicide, has stronger interior suction conductivity, be used for control paddy field, the multiple broad leaved weed of wheat paddock, its shortcoming is that consumption is bigger than normal, and is 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 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. from after planting endangered by various broad leaved weeds to results.Be subjected 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.The chemical control wheat weeds is the most effective means., find the Hebei Province shepherd's purse, broadcast the ma wormwood artemisia in recent years in the main growing area investigation of wheat according to the inventor, 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, to the Wheat field weeding composition of crop safety.
Another object of the present invention provides the application of above-mentioned composition in eliminating weed in wheat field.
In order to overcome the defective 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, but such as suspending agent dispersed oil suspending agent, suspended emulsion, missible oil etc.
To suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation produce the alkyl naphthalene sulfonic acid salt) in one or more; The Arlacel-60 APEO), agricultural newborn 1601#(common name sorbitan monostearate), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60#(common name emulsifier such 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 such 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 produce) in one or more; In thickener such as xanthans, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate one or more; In preservative such as formaldehyde, benzoic acid, the Sodium Benzoate one or more; Defoamer such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as the sodium chloride one or more; Water is deionized water.
But to the dispersed oil suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, the HUNTSMAN of TERSPERSE 2020(U.S. Huntsman Corporation produce the alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier such as BY(castor oil polyoxyethylene ether) among serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #, farming breast 2201, this dish-60#, Tween-60 #, agricultural newborn 1601#, the TERSPERSE 4894 one or more; Among 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, the TERSPERSE 2500 one or more; In thickener such as white carbon, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate one or more; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as the sodium chloride one or more; In dispersion medium such as soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, the mineral oil one or more.
To suspended emulsion, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425(U.S. Huntsman Corporation produce the alkyl naphthalene sulfonic acid salt) in one or more; Among emulsifier such as Nongru-700 #, farming breast 2201, this dish-60#, Tween-60 #, agricultural newborn 1601#, triphen ethyl phenol polyoxyethylene groups ether phosphate, the TERSPERSE 4894 one or more; Among wetting agent such 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, the TERSPERSE 2500 one or more; Solvent: one or more in dimethylbenzene, toluene, cyclohexanone, acetone, ethyl acetate, the solvent naphtha (S-150, S-180, S-200); In thickener such as xanthans, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate one or more; In preservative such as formaldehyde, benzoic acid, the Sodium Benzoate one or more; Defoamer such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as the sodium chloride one or more; In stabilizing agent such as triphenyl phosphite, epoxychloropropane, the 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 finish the present invention very much.Emulsifier such as calcium dodecyl benzene sulfonate (agricultural newborn 500#), Nongru-700 #, agricultural newborn 2201#, this dish-60#, Tween-60 #, TX-10(common name: octyl phenol polyoxy ethene (10) ether), among agricultural newborn 1601#, agricultural newborn 600#, the agricultural newborn 400# one or more; In solvent such as dimethylbenzene, toluene, solvent naphtha (S-150, S-180, S-200), toluene, methyl alcohol, dimethyl formamide, 1-METHYLPYRROLIDONE, cyclohexanone, acetone, the dimethyl sulfoxide (DMSO) one or more.
The 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, has 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 when using of each component, has synergistic effect, reduces cost accounting, and is 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
Illustrate that below by Toxicity Determination florasulam, fluroxypyr and the different monooctyl ester of 2 first, 4 chlorine are mixed to the synergistic effect of weeds of wheat.
Subjects is respectively wheat paddock resistant weed chickweed, shepherd's purse, field bindweed.Former medicine is mixed with the test medicine that needs, 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: the synergy that is mixed is measured ".At first single dose and each Mixed Pharmacy are arranged 4 various dose (seeing table 1 for details).If the clear water contrast repeats 4 times.Spray-on process behind the employing seedling, get ready in advance for examination weeds seedling and (be sowed in the test basin alms bowl by 50 weed seeds of every alms bowl, by the time long to fixed 40 strains of every alms bowl during the phase of 3 leaves), the medicament that dilution is good evenly is sprayed onto on the weeds plant with laryngeal spray, evenly thoughtfully being as the criterion, after insert the greenhouse and normally cultivate, process cutting off each in rear 14 days 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, the evaluation three uses the synergy type to weeds with.
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)
A, B, C represent respectively the actual survival rate of three kinds of single doses in the formula, and n is mixture herbicide kind quantity.Work as E
0During-E＞10%, illustrate to produce synergistic effect, work as E
0During-E＜-10%, illustrate to produce antagonism, work as E
0-E illustrates to produce addition between ± 10% the time.
Toxicity Determination result shows: florasulam, fluroxypyr and the different monooctyl ester of 2 first, 4 chlorine are used with in table 1-3 using dosage and ratio has preferably virulence to chickweed, shepherd's purse, field bindweed, and preferably synergistic effect is all arranged.
Below in conjunction with embodiment content of the present invention is described further.
Example of formulations 1
Take by weighing 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 behind the sand mill sand milling.
Example of formulations 2
Take by weighing 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 behind the sand mill sand milling.
Example of formulations 3
Take by weighing 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% agricultural newborn 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, but with making the different monooctyl ester dispersed oil of 22.6% florasulam fluroxypyr 2 first, 4 chlorine suspending agent behind the sand mill sand milling.
Example of formulations 4
Take by weighing 0.4% florasulam, 9% fluroxypyr, the different monooctyl ester of 15.8%2 first, 4 chlorine, 2% dispersing agent NNO, 3% agricultural newborn 2201#, 10% BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% glycerine, soybean oil and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making the different monooctyl ester dispersed oil of 25.2% florasulam fluroxypyr 2 first, 4 chlorine suspending agent behind the sand mill sand milling.
Example of formulations 5
Take by weighing 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, the fully rear emulsifier that adds of the different monooctyl ester of 2 first, 4 chlorine and dissolution with solvents mixes in the above-mentioned raw materials, 2, unclassified stores is through mixing, 3, drop in 2 materials mixing material in 1, high speed shear is disperseed 30min, with making the different monooctyl ester suspended emulsion of 37% florasulam fluroxypyr, 2 first, 4 chlorine behind the sand mill sand milling.
Example of formulations 6
Take by weighing 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, the fully rear adding emulsifier of the different monooctyl ester of 2 first, 4 chlorine and dissolution with solvents and stabilizing agent mix in the above-mentioned raw materials, 2, unclassified stores is through mixing, 3, drop in 2 materials mixing material in 1, high speed shear is disperseed 30min, with making the different monooctyl ester suspended emulsion of 50.5% florasulam fluroxypyr, 2 first, 4 chlorine behind the sand mill sand milling.
Example of formulations 7
Take by weighing 0.2% florasulam, 6% fluroxypyr, the 15.8% 2 different monooctyl esters of first 4 chlorine, 4% agricultural newborn 500#, 2% agricultural newborn 600#, 3% agricultural newborn 2201#, 2% dimethyl sulfoxide (DMSO), dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials makes the different monooctyl ester missible oil of 22% florasulam fluroxypyr, 2 first, 4 chlorine after mix, stirring and dissolving is complete.
Example of formulations 8
Take by weighing 1.2% florasulam, 20% fluroxypyr, the 60% 2 different monooctyl esters of first 4 chlorine, 3% agricultural newborn 500#, 3% agricultural newborn 400#, 3% Nongru-700 #, 1-METHYLPYRROLIDONE adds to 100% weight portion.Above-mentioned raw materials makes the different monooctyl ester missible oil of 81.2% florasulam fluroxypyr, 2 first, 4 chlorine after mix, stirring and dissolving is complete.
Biological Examples eliminating weed in wheat field field control effectiveness test
The inventor has carried out the different monooctyl ester suspending agent of example of formulations 2(48% florasulam fluroxypyr 2 first 4 chlorine in the Zhouzhi County, Shaanxi Province on December 25th, 2011) the eliminating weed in wheat field field control effectiveness test.Tiller the broad leaved weed 3-5 sheet leaves such as shepherd's purse, clearvers, chickweed for wheat 2-3 during test.Test medicine and dosage see table 4 for details.Take the spray clear water as contrast (CK).Repeat for 4 times, random district group is arranged residential quarter area 20 ㎡.Adopting the electronic knapsack sprayer of mark standing grain board to carry out the cauline leaf spraying, is 30kg/667 ㎡ with amount of liquid medicine.
Investigation and statistical method:
Behind the medicine 7,14,21d observes the growing state of wheat seedling in each residential quarter.21d behind medicine, every residential quarter is got 4 points at random, every 0.25 ㎡, weeds strain number in the investigation record point, and calculate preventive effect.
Preventive effect (%)=(blank district number of weeds-treatment region number of weeds)/blank district number of weeds * 100.
Test results and analysis: behind the medicine 7,14,21d observes, and all do not find the poisoning phenomenons such as the dead seedling of wheat, blade yellow, growth are stagnated in each residential quarter.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 the cauline leaf spraying processes, behind medicine 21 days to weeds of wheat clearvers, shepherd's purse, chickweed, broadcast the ma wormwood artemisia good preventive effect all arranged, average preventive effect obviously is better than the preventive effect (seeing Table 4) of binary mixture and single dose more than 94.4%.Particularly ternary is used antagonism weeds shepherd's purse with, the preventive effect of broadcasting the ma wormwood artemisia is more more outstanding than binary mixture and single dose, efficiently solves this two kinds of problems that weeds are difficult to prevent and kill off.
Annotate: cost is estimated with former medicine valency: 1700 yuan/Kg of florasulam, 130 yuan/Kg of fluroxypyr, 38 yuan/Kg of the different monooctyl ester of 2 first, 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, and has particularly solved shepherd's purse, has broadcast ma wormwood artemisia problem, and is 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, had obvious synergistic effect, saved simultaneously drug cost, and to wheat safety, therefore have wide practical use in the production.
Claims (5)
1. Wheat field weeding composition, it is characterized in that the 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 0.2～1.2:5～20:15～60.
2. Wheat field weeding composition according to claim 1 is characterized in that the weight ratio of florasulam, fluroxypyr and the different monooctyl ester of 2 first, 4 chlorine is 0.2～1.2:6～15:15.8～45.5.
3. described Wheat field weeding composition according to claim 1 and 2 is characterized in that: but Herbicidal combinations is suspending agent dispersed oil suspending agent, suspended emulsion or missible oil.
4. claim 1 or the 2 described Wheat field weeding compositions application in the control weeds of wheat.
5. according to claim 4 described application, described weeds of wheat be chickweed, shepherd's purse, field bindweed, broadcast ma wormwood artemisia or clearvers.
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| WO2015108890A1 (en) | 2014-01-15 | 2015-07-23 | Dow Agrosciences Llc | Herbicidal composition containing 4-amino-3-choro-6-(4-chloro-2-fluoro-3-methoxyphenyl)pyridine-2- carboxylic acid, fluroxypyr and phenoxyauxins |
| 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 |
| CN115669667A (en) * | 2022-09-29 | 2023-02-03 | 宁夏汉润生物科技有限公司 | Composition containing 2-methyl-4-chloroisooctyl, fluroxypyr-meptyl and clopyralid as well as preparation method and application thereof |
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| WO2015108890A1 (en) | 2014-01-15 | 2015-07-23 | Dow Agrosciences Llc | Herbicidal composition containing 4-amino-3-choro-6-(4-chloro-2-fluoro-3-methoxyphenyl)pyridine-2- carboxylic acid, fluroxypyr and phenoxyauxins |
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| 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 |
| CN115669667A (en) * | 2022-09-29 | 2023-02-03 | 宁夏汉润生物科技有限公司 | Composition containing 2-methyl-4-chloroisooctyl, fluroxypyr-meptyl and clopyralid as well as preparation method and application thereof |
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| CN103053554B (en) | 2014-10-15 |
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