CN103125505A - Dispersible oil suspending agent containing florasulam and MCPA-isooctyl - Google Patents
Dispersible oil suspending agent containing florasulam and MCPA-isooctyl Download PDFInfo
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- CN103125505A CN103125505A CN2013100835270A CN201310083527A CN103125505A CN 103125505 A CN103125505 A CN 103125505A CN 2013100835270 A CN2013100835270 A CN 2013100835270A CN 201310083527 A CN201310083527 A CN 201310083527A CN 103125505 A CN103125505 A CN 103125505A
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Abstract
The invention discloses a dispersible oil suspending agent containing florasulam and MCPA-isooctyl. The dispersible oil suspending agent comprises effective active ingredients, namely florasulam and MCPA-isooctyl, a dispersing agent, an emulsifier, a wetting agent, a thickening agent, a stabilizing agent, a defoaming agent, a synergistic agent and plant oil. According to the dispersible oil suspending agent, a scheme of blending two effective active ingredients is adopted, control effect of mixing two effective active ingredients is better than that of a single effective active ingredient, and the dispersible oil suspending agent has a synergistic effect. The prepared dispersible oil suspending agent has the weeding effect obviously better than that of other dosage forms and also has good control effect to various broad leaf weeds in a wheat field, control cost can be reduced, safety to crop is good, and safety requirements to pesticide preparation are met.
Description
Technical field
But the present invention relates to a kind of dispersed oil suspending agent that is formed by florasulam and two kinds of active components of the 2 first 4 different monooctyl esters of chlorine, belong to technical field of compounded pesticide.
Background technology
But the dispersed oil suspending agent is to be dispersion medium with vegetable oil, and is environmentally friendly, is watered to be sprayed at adhesivity after plant surface, plate-out ability and good penetrability, resistance of rainwater washing against, the lasting period is long, thereby improves the agricultural chemicals availability, play synergistic effect, can reduce effective ingredient consumption, save cost.
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.
The 2 first 4 different monooctyl esters of chlorine, English common name MCPA-isooctyl, chemical name: the different monooctyl ester of methoxone.Be the hormone-type selective herbicide, have stronger interior suction conductivity, wheat paddock being broadcast the broad leaved weeds such as ma wormwood artemisia, shepherd's purse has good preventive effect.Shortcoming is the easy demutations of alone weeds, uses as strengthening consumption, and is dangerous to wheat.
3.5 hundred million mu of wheat areas are planted throughout the year by China, are only second to paddy rice.Wheat is from after planting being endangered by various broad leaved weeds often to results, the chemical control wheat weeds is the most effective means.Investigated at the main growing area of wheat in recent years according to the inventor, find the Hebei Province shepherd's purse, broadcast the ma wormwood artemisia, the clearvers in Henan, the ox chickweed in Jiangsu, chickweed occur serious, and resistance is serious, above-mentioned florasulam, the 2 first 4 different monooctyl ester single doses of chlorine all can't resolve the problems referred to above, strengthen consumption and also easily produce poisoning, and a kind of herbicidal effect of urgent need invention is good, drug cost is low, the weed killer herbicide of safety nuisance free.
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, but to the dispersed oil suspending agent that contains florasulam and the 2 first 4 different monooctyl esters of chlorine of crop safety.
But another object of the present invention is to provide the application of above-mentioned dispersed oil suspending agent in the control weeds of wheat, to be applied in especially weeds of wheat be shepherd's purse, chickweed or broadcast in the ma wormwood artemisia.
Implementation procedure of the present invention is as follows:
But a kind of dispersed oil suspending agent that contains florasulam and the 2 first 4 different monooctyl esters of chlorine, its component and weight percentage are as follows:
Florasulam 0.2～2%
The 2 first 4 different monooctyl esters 20～50% of chlorine
Dispersant 1～8%
Emulsifier 5～15%
Wetting agent 0.5～3%
Thickener 0.5～8%
Stabilizing agent 0.5～8%
Defoamer 0.2～2%
Synergist 0.1～3%
The vegetable oil surplus
Described dispersant is that the HUNTSMAN of polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt) in one or more;
described emulsifier is the BY(castor oil polyoxyethylene ether) serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: the sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894(U.S. Huntsman Corporation product) one or more in,
Described wetting agent is one or more 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;
Described thickener is one or more in white carbon, polyvinyl alcohol, bentonite, xanthans, aluminium-magnesium silicate, carboxymethyl cellulose;
Described stabilizing agent is one or more in epoxychloropropane, tributyl phosphate, triphenyl phosphite, Sodium Benzoate, epoxidized soybean oil, butylated hydroxy anisole;
Described defoamer is silicone defoaming agent;
Described synergist is one or more in triacontanol, methyl α-naphthyl acetate, amino-oligosaccharide;
Described vegetable oil is one or more in soybean oil, rapeseed oil, cottonseed oil, palm oil, linseed oil, turpentine oil, corn oil, methyl oleate.
But the above-mentioned preparation method who contains florasulam and the 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents: active ingredient florasulam, the 2 first 4 different monooctyl esters of chlorine and dispersant, emulsifier, wetting agent, thickener, stabilizing agent, defoamer, vegetable oil are mixed, disperseed 20～30 minutes through shearing, sand mill sand milling 2～3 hours, particle diameter is getting final product below 5 microns.
The inventor is through a large amount of indoor virulence screenings, pharmaceutical formulation test and field control effectiveness test, but discovery is mixed with the dispersed oil suspending agent by a certain percentage with florasulam and the 2 first 4 different monooctyl esters of chlorine, but said preparation is except the advantage with routine dispersed oil suspending agent, owing to having added synergist, can solve the problem of wheat main producing region field resistance weeds, have obvious synergistic effect, can reduce use cost, high to crop safety.
The present invention adopts two kinds of effective active compositions scheme that is mixed, and the activity when preventive effect is better than using separately has synergistic effect.But it is mixed with the dispersed oil suspending agent owing to having added synergist, also has synergistic effect, two technology have dual synergistic effect in conjunction with bringing out the best in each other.Itself does not have activity of weeding synergist, belongs to plant growth regulator, and it can be grown by Promoting plant growth, the relieving herbicide poisoning, and the synergy principle is to promote weeds to the absorption of herbicidal active component.The present invention has good control efficiency to all kinds of broad leaved weeds between wheat paddock, has particularly solved China's wheat main producing region wheat paddock shepherd's purse, has broadcast the problem that the resistant weeds such as ma wormwood artemisia, clearvers, chickweed are difficult to prevent and kill off.Can reduce cost accounting, good to crop safety, meet the security requirement of pesticidal preparations.
Embodiment
Below in conjunction with embodiment, content of the present invention is described further.
FORMULATION EXAMPLE 1
Take 0.4% florasulam, the 39.6% 2 first 4 different monooctyl esters of chlorine, 2% TERSPERSE 2020(U.S. Huntsman Corporation produces), 4% this dish-60#, 3% Tween-60 #, 3% agriculture breast 2201#, 3% Nongru-700 #, 1% TERSPERSE 2500(U.S. Huntsman Corporation produce), 0.5% white carbon, 2% epoxychloropropane, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces), 1% triacontanol, methyl oleate add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but namely makes the 40% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents with sand mill sand milling to particle diameter less than 5 microns.
FORMULATION EXAMPLE 2
Take 0.2% florasulam, the 50%2 first 4 different monooctyl esters of chlorine, 2% dispersing agent NNO, 3% agriculture breast 2201#, 10% BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 1.5% butylated hydroxy anisole, 0.6% L-1000 silicone defoaming agent (Shanghai vertical neat auxiliary chemicals Co., Ltd produces), 2.5% methyl α-naphthyl acetate, soybean oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 20min, but namely makes the 50.2% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents with sand mill sand milling to particle diameter less than 5 microns.
FORMULATION EXAMPLE 3
Take 2% florasulam, the 20%2 first 4 different monooctyl esters of chlorine, 3% sodium lignin sulfonate, 2% agriculture breast 2201#, 10% BY-125,1% alkylphenol polyoxyethylene phosphate, 1% xanthans, 2% Sodium Benzoate, 0.5% silicone defoaming agent, 0.5% triacontanol, rapeseed oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 25min, but namely makes the 22% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents with sand mill sand milling to particle diameter less than 5 microns.
FORMULATION EXAMPLE 4
Take 0.5% florasulam, the 40% 2 first 4 different monooctyl esters of chlorine, 2% TERSPERSE 4894(U.S. Huntsman Corporation produces), 4% agriculture breast 1601#, 3% Tween-60 #, 3% Nongru-700 #, 1.5% phenethyl phenol polyethenoxy base ether phosphate, 0.5% bentonite, 2% tributyl phosphate, 0.5% silicone defoaming agent, 2% amino-oligosaccharide, 2% corn oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but namely makes the 40.5% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents with sand mill sand milling to particle diameter less than 5 microns.
FORMULATION EXAMPLE 2-4 detects according to These parameters and all meets the requirements.
Biological Examples 1 florasulam and the 2 first 4 different monooctyl esters of chlorine are mixed to the weeds of wheat Toxicity Determination.
Subjects is respectively wheat paddock resistant weed chickweed, shepherd's purse, broadcasts the ma wormwood artemisia.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 5 variable concentrations gradients.If the clear water contrast repeats 4 times.Spray-on process after the employing seedling, get ready in advance for examination weeds seedling and (be sowed in test basin alms bowl by 50 weed seeds of every alms bowl, by the time grow 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 the rear preventive effect of calculating each chemicals treatment in 21 days with ocular estimate, the ED of each medicament is obtained in linear regression analysis between probit value by preventive effect and the logarithm value of series concentration
50Value with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, is estimated reagent agent to the activity of weeds with this.
The co-toxicity coefficient of complex preparation (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
The Toxicity Determination result shows: florasulam and the 2 first 4 different monooctyl esters of chlorine in table 2-1,2-2,2-3 using dosage mixed with ratio to chickweed, shepherd's purse, broadcast the ma wormwood artemisia virulence preferably arranged, synergistic effect is preferably all arranged, especially remarkable with the synergy that is mixed of the 40% florasulam 2 first 4 different monooctyl esters of chlorine (0.4%+39.6%).
Biological Examples 2 eliminating weed in wheat field field control effectiveness tests
But the inventor carried out the FORMULATION EXAMPLE 1(40% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents in the Zhouzhi County, Shaanxi Province on December 27th, 2012) the eliminating weed in wheat field field control effectiveness test, but with the 40% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agent (conventional formulation, do not contain synergist) and common other formulation suspending agent of identical component, identical proportioning content, suspension emulsion, water dispersible granules, microemulsion medicament in contrast, conventional auxiliary agent, conventional method preparation adopted by the inventor.During test, wheat 2-3 is tillered, and shepherd's purse, chickweed, broadcasts the broad leaved weed 3-5 sheet leaf such as ma wormwood artemisia.Test medicine and dosage see table 3 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:
After medicine 7,14,21d observes the growing state of wheat seedling in each residential quarter.21d after medicine, every residential quarter is got 4 points at random, every 0.25 ㎡, weeds strain number in 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: but the 40% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents (FORMULATION EXAMPLE 1) are pressed 30g/667 ㎡, 35g/667 ㎡, 40g/667 ㎡ consumption, carrying out the cauline leaf spraying processes, after medicine 21 days to the weeds of wheat shepherd's purse, chickweed, broadcast the ma wormwood artemisia good preventive effect is all arranged, average preventive effect is more than 95.6%, but the preventive effect that obviously is better than the 40% florasulam 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents (not containing synergist) and 40% florasulam 2 first 4 other 4 kinds of formulations of the different monooctyl ester of chlorine under Isodose, also contrast medicament 35g/667 ㎡ consumption herbicidal effect superior (seeing Table 3) than other than (30g/667 ㎡) under low dosage.
After medicine 7,14,21d observes, the residential quarter that FORMULATION EXAMPLE 1 is processed does not find that the dead seedling of wheat, blade yellow, growth are subjected to the poisoning phenomenons such as stagnant.After the medicine of other chemicals treatment residential quarter, slight jaundice appears in 7 days part wheat leaf blades, and after medicine, 14 days slight yellowing phenomenons of wheat leaf blade recover gradually, and after medicine, 21 days wheats recover normal fully.After being described, the interpolation synergist can avoid using the poisoning that weed killer herbicide produces wheat.
Claims (4)
1. but dispersed oil suspending agent that contains florasulam and the 2 first 4 different monooctyl esters of chlorine is characterized in that component and weight percentage are as follows:
Florasulam 0.2～2%
The 2 first 4 different monooctyl esters 20～50% of chlorine
Dispersant 1～8%
Emulsifier 5～15%
Wetting agent 0.5～3%
Thickener 0.5～8%
Stabilizing agent 0.5～8%
Defoamer 0.2～2%
Synergist 0.1～3%
The vegetable oil surplus
Described dispersant be in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2020 one or more;
Described emulsifier is one or more in BY series emulsifier, Nongru-700 #, agriculture breast 2201, this dish-60#, Tween-60 #, agriculture breast 1601#, TERSPERSE 4894;
Described wetting agent is one or more 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;
Described thickener is one or more in white carbon, polyvinyl alcohol, bentonite, xanthans, aluminium-magnesium silicate, carboxymethyl cellulose;
Described stabilizing agent is one or more in epoxychloropropane, tributyl phosphate, triphenyl phosphite, Sodium Benzoate, epoxidized soybean oil, butylated hydroxy anisole;
Described defoamer is silicone defoaming agent;
Described synergist is one or more in triacontanol, methyl α-naphthyl acetate, amino-oligosaccharide;
Described vegetable oil is one or more in soybean oil, rapeseed oil, cottonseed oil, palm oil, linseed oil, turpentine oil, corn oil, methyl oleate.
2. but the described preparation method who contains florasulam and the 2 first 4 different monooctyl ester dispersed oil of chlorine suspending agents of claim 1, it is characterized in that: active ingredient florasulam, the 2 first 4 different monooctyl esters of chlorine and dispersant, emulsifier, wetting agent, thickener, stabilizing agent, defoamer, vegetable oil are mixed, disperseed 20～30 minutes through shearing, sand mill sand milling 2～3 hours, particle diameter is getting final product below 5 microns.
3. but the described application of dispersed oil suspending agent in the control weeds of wheat that contains florasulam and the 2 first 4 different monooctyl esters of chlorine of claim 1.
4. use according to claim 3, weeds of wheat is shepherd's purse, chickweed or broadcasts the ma wormwood artemisia.
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Cited By (8)
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| CN103444728A (en) * | 2013-08-01 | 2013-12-18 | 广东中迅农科股份有限公司 | Composition containing florasulam and phenoxy carboxylic acid herbicide |
| CN103503893A (en) * | 2013-09-12 | 2014-01-15 | 广东中迅农科股份有限公司 | Herbicide composition containing florasulam and 2,4-butyl ester |
| CN103783051A (en) * | 2014-02-26 | 2014-05-14 | 江苏富鼎化学有限公司 | Composite herbicide containing florasulam, carfentrazone and agroxone |
| CN105076132A (en) * | 2015-06-11 | 2015-11-25 | 中国农业大学 | Oil-based type pesticide synergistic auxiliary and preparation method therefor |
| 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 |
| CN106942246A (en) * | 2017-04-17 | 2017-07-14 | 武鸣县南方制绳厂 | It is a kind of for herbicide of sisal hemp and preparation method thereof |
| CN107668047A (en) * | 2017-09-27 | 2018-02-09 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing pyraflufen-ethyl |
| CN111838156A (en) * | 2020-08-24 | 2020-10-30 | 安徽华星化工有限公司 | Herbicide composition containing triacontanol and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444728A (en) * | 2013-08-01 | 2013-12-18 | 广东中迅农科股份有限公司 | Composition containing florasulam and phenoxy carboxylic acid herbicide |
| CN103444728B (en) * | 2013-08-01 | 2016-05-11 | 广东中迅农科股份有限公司 | A kind of composition that contains florasulam and phenoxy carboxylic acid herbicides |
| CN103503893A (en) * | 2013-09-12 | 2014-01-15 | 广东中迅农科股份有限公司 | Herbicide composition containing florasulam and 2,4-butyl ester |
| CN103783051A (en) * | 2014-02-26 | 2014-05-14 | 江苏富鼎化学有限公司 | Composite herbicide containing florasulam, carfentrazone and agroxone |
| CN103783051B (en) * | 2014-02-26 | 2016-01-27 | 江苏富鼎化学有限公司 | A kind of mixed herbicide containing florasulam, azoles humulone and methoxone |
| CN105076132A (en) * | 2015-06-11 | 2015-11-25 | 中国农业大学 | Oil-based type pesticide synergistic auxiliary and preparation method therefor |
| 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 |
| CN106942246A (en) * | 2017-04-17 | 2017-07-14 | 武鸣县南方制绳厂 | It is a kind of for herbicide of sisal hemp and preparation method thereof |
| CN107668047A (en) * | 2017-09-27 | 2018-02-09 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing pyraflufen-ethyl |
| CN111838156A (en) * | 2020-08-24 | 2020-10-30 | 安徽华星化工有限公司 | Herbicide composition containing triacontanol and preparation method and application thereof |
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