CN103004865B - Herbicide for expanding glyphosate weed control spectrum - Google Patents
Herbicide for expanding glyphosate weed control spectrum Download PDFInfo
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- CN103004865B CN103004865B CN201310013797.4A CN201310013797A CN103004865B CN 103004865 B CN103004865 B CN 103004865B CN 201310013797 A CN201310013797 A CN 201310013797A CN 103004865 B CN103004865 B CN 103004865B
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- ethyl
- glyphosate
- herbicide
- fluoroglycofen
- quizalotop
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Abstract
The invention discloses herbicide for expanding a glyphosate weed control spectrum. The herbicide comprises the following active ingredients in parts by weight: 20-80 parts of glyphosate, 0.5-5 parts of f fluoroglycofen-ethyl and 0.5-6 parts of quizalofop-p-ethyl; besides the active ingredients, a surfactant, a carrier or/and auxiliary material and the like also can be added to prepare water aqua, emulsion in water, wettable powder, soluble powder, water dispersible granules, suspension concentrate or oil suspension. The herbicide has obvious synergized action by compounding of the three herbicides, is wide in herbicide control spectrum, long in effective duration, and small in environmental pollution, and the drug dosage and the drug times are reduced.
Description
Technical field
The present invention relates to a kind of weed killer herbicide that expands glyphosate herbicide spectrum.
Background technology
Glyphosate (glyphosate), the weed killer herbicide of Shi You About Monsanto Chemicals exploitation, claims again: glyphosate, agriculture reach (Roundup), careless dry phosphine, the sweet acid of phosphine; The sweet ammonia of chemical name N-((phosphonomethyl)), molecular formula: C
3h
8nO
5p, structural formula is as follows:
Glyphosate technicals content is generally 95～98%, and glyphosate technicals is white solid, water insoluble, but and the alkali substance reaction salify such as isopropylamine afterwards water-soluble fine.On market, 41% most widely used gyphosate solution is exactly the aqua that glyphosate, isopropyl amine salt are made now, and its glyphosate content is 30%, and isopropyl amine salt content is 41%, and the mother liquor of use is generally 62% glyphosate isopropyl amine salt mother liquor.
Glyphosate is the chronic wide spectrum steriland herbicide of inner sucting conduction type, the main interior enol acetonyl shikimene phosphate synthase of organism that suppresses, thereby suppress shikimene to the conversion of phenyl alanine, tyrosine and tryptophan, make synthetic being interfered of protein cause plant dead.Glyphosate is transmitted to each position of plant after absorbing by cauline leaf, can prevent and kill off unifacial leaf and plant dicotyledonous, annual and perennial, herbs and shrubs Deng40Duo section.Glyphosate can be used for preventing and kill off apple orchard, peach garden, vineyard, theatre, tea place, mulberry field and farmland fallow land weeds.After glyphosate buries, be combined and lose activity with the metal ion such as iron, aluminium very soon, seed hiding in soil and edaphon are had no adverse effects.
Fluoroglycofen-ethyl Fluoroglycofen, the chloro-a of chemical name: O-[5-(2-, a, the fluoro-p-toloxyl of a-tri-)-2-nitro benzoyl] hydroxyl ethyl acetate, molecular formula: C
16h
9clF
3nO
7.Fluoroglycofen-ethyl belongs to diphenyl ether herbicide, is that protoporphyrin is oxidized mould inhibitor, once this product is absorbed by plants, only under illumination condition, just brings into play effect.This compound reacts with mol-chloric, generates the virose compound tetrapyrrole of plant cell tool, gathers and has an effect.In accumulation process, plant cell membrane is disappeared completely, then cause cell inclusion seepage, thereby cause plant dead.After this product bud, use and prevent and kill off broad leaved weed, required dosage is relatively low.Be applicable to wheat, barley, peanut, soybean and paddy field weeding, can prevent and kill off broad leaved weed, especially clearvers, Veronica, violet, Xanthium and sweet potato weeds, prevent and kill off grass family or perennial weed is invalid.
Quizalotop-ethyl Quizalofop-p-ethyl, chemical name: (R)-2-[4-(6-chloroquinoxalin-2-yloxy) phenoxy group] ethyl propionate, molecular formula: C
19h
17clN
2o
4.Quizalotop-ethyl belongs to benzene oxygen herbicide of aliphatic acid, selectivity inner sucting conduction type cauline leaf inorganic agent.Medicament has high selectivity between grassy weed and dicotyledonous crops, and the grassy weed in broad leaf crop field is had to good preventive effect.By weeds cauline leaf, absorb, Bidirectional Conduction up and down in plant corpus, is accumulated in top and internode meristematic tissue, suppresses cell fatty acid synthetic, makes weeds downright bad.Be applicable to cotton, soybean, rape, peanut, flax, apple, grape, beet and multiple wide leaf vegetable crop and prevent and kill off monocotyledon weed.
Although above-mentioned three kinds of herbicide glyphosates, fluoroglycofen-ethyl and Quizalotop-ethyl herbicidal effect are good, be widely used, in actual applications, still there is the flaws such as preventive effect is not enough, weeding is not thorough, have much room for improvement.
Summary of the invention
For above-mentioned prior art, not enough for the preventive effect of glyphosate single dose or complex preparation, the defect such as weeding is not thorough, the invention provides a kind of weed killer herbicide that expands glyphosate herbicide spectrum, and its herbicidal effect is good, broad weed-killing spectrum.
The present invention is achieved by the following technical solutions:
A weed killer herbicide that expands glyphosate herbicide spectrum, its active ingredient is glyphosate, fluoroglycofen-ethyl and Quizalotop-ethyl, three's consumption is as follows: 20～80 parts of glyphosates, 0.5～5 part of fluoroglycofen-ethyl, 0.5～6 part of Quizalotop-ethyl, described umber is weight portion.
Preferably, glyphosate, fluoroglycofen-ethyl and Quizalotop-ethyl, three's consumption is as follows: 30～75 parts of glyphosates, 1～5 part of fluoroglycofen-ethyl, 1～5 part of Quizalotop-ethyl.Further preferred, glyphosate, fluoroglycofen-ethyl and Quizalotop-ethyl, three's consumption is as follows: 50～70 parts of glyphosates, 1～3 part of fluoroglycofen-ethyl, 2～5 parts of Quizalotop-ethyls.
Described glyphosate is selected from a kind of in glyphosate technicals, ammonium glyphosate, glyphosate potassium, sodium glyphosate, glyphosate isopropyl amine salt, glyphosate dimethylamine salt or appoints several.
The weed killer herbicide of described expansion glyphosate herbicide spectrum, except active ingredient, can also add surfactant, carrier or/and auxiliary material etc. are made aqua, aqueous emulsion, wetting powder, soluble powder, water dispersible granules, aqueous suspension agent or oil-suspending agent.Preferably, make aqueous suspension agent.During preparation, according to common process, be prepared into required formulation.
Described surfactant is selected from alkyl glycoside, tallow amine analog assistant, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy ether, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, tributyl phenol APEO, phenethyl phenol polyethenoxy ether formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, polyethenoxy ether sulphonate, aerosol-OT salt, single two naphthalene sulfonate, two naphthalenesulfonate formaldehyde condensation compounds, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene formaldehyde condensation products sulphate or lignosulfonates, sodium alkyl benzene sulfonate, alkyl naphthalene sulfonic acid condensation polymer, sodium alkyl sulfate, alkyl phenol polyethenoxy ether sodium sulfate, a kind of in alkylphenol polyoxyethylene condensation product sodium sulfate salt or fatty alcohol-polyoxyethylene ether succinate monoester sodium sulfonate or appoint several.
Described carrier or auxiliary material are selected from a kind of in potter's clay, attapulgite, kaolin, atlapulgite, diatomite, precipitated calcium carbonate, xanthans, polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl cellulose, methylcellulose, carboxyethyl cellulose, gum Arabic, Sodium Polyacrylate, gaseous state silica, aluminium-magnesium silicate or organobentonite, defoamer, vegetable oil, methyl oleate or appoint several.
Preferably, the formulation of the weed killer herbicide of described expansion glyphosate herbicide spectrum is wetting powder, consists of: glyphosate 70% component of following percetage by weight, fluoroglycofen-ethyl 2%, Quizalotop-ethyl 3%, lauryl sodium sulfate 3%, lignosulfonates 4%, white carbon 4%, surplus is precipitated calcium carbonate.
Preferably, the formulation of the weed killer herbicide of described expansion glyphosate herbicide spectrum is oil-suspending agent, by the component of following percetage by weight, formed: glyphosate 30%, fluoroglycofen-ethyl 1.5%, Quizalotop-ethyl 2%, alkylphenol polyoxyethylene 8%, castor oil polyoxyethylene ether 2%, alkylphenol polyoxyethylene phosphate 4%, organobentonite 1%, surplus is methyl oleate.
Most preferred, the formulation of the weed killer herbicide of described expansion glyphosate herbicide spectrum is aqueous suspension agent, consists of: glyphosate 30%, fluoroglycofen-ethyl 1.5% component of following percetage by weight, Quizalotop-ethyl 2%, aerosol-OT salt 1%, alkyl naphthalene sulfonic acid condensation polymer 2.5%, ethylene glycol 5%, xanthans 0.15%, Sodium Benzoate 0.05%, silicone defoaming agent 0.2%, surplus is water.
The preparation method of described aqueous suspension agent is: first, get aerosol-OT salt, alkyl naphthalene sulfonic acid condensation polymer, ethylene glycol, xanthans, Sodium Benzoate and water, mix, 1500 revs/min of high-speed homogeneous shearing 30min, then add glyphosate, fluoroglycofen-ethyl, Quizalotop-ethyl and defoamer, continue 1500 revs/min of high speed shear 30min, through sand mill, carry out sand milling again, be milled to solid particle and be all less than 5um, just can form outward appearance even, up-to-standard aqueous suspension agent.
The invention has the beneficial effects as follows:
(1) composite by between three kinds of weed killer herbicides, utilize suction conduction in glyphosate cauline leaf, the cauline leaf of fluoroglycofen-ethyl and Quizalotop-ethyl is tagged, the interior different mechanism combinations of inhaling conduction of root, make this weed killer herbicide have obvious synergistic effect, and expand herbicide spectrum, better to some malignant weed preventive effects.
(2) fluoroglycofen-ethyl is the highy potent herbicide of the many broad leaved weedses of control, Quizalotop-ethyl can effectively be prevented and kill off grassy weed, both traditional formulations are missible oil, have environmental protection and security problems, the present invention is composite by three, by different auxiliary agents are screened, make the aqueous suspension agent that meets state quality standard, make three reasonably combined, produce synergy, reach synergy and expand herbicide spectrum effect.
(3) by reasonably composite, than traditional single dose, improved preventive effect, reduced effective ingredient consumption, and not containing organic solvent, reduced production costs.Three is composite, and peasant is easy to use, has higher cost performance.
(4) the present invention mainly adopts the safety and environmental protection formulation-aqueous suspension agent of authorized by state, environmentally friendly, not containing polluting larger organic solvent; And broad weed-killing spectrum, efficiency time is long, has reduced dosage and medication number of times, and environmental pollution is very little.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
In following embodiment, the glyphosate adopting is glyphosate technicals.
Embodiment 1 prepares wetting powder
Preparation method is: above-mentioned material is fully mixed, after air-flow crushing, form the uniform white wetting powder of outward appearance.Above-mentioned preparation index is as shown in table 1:
Table 1
Visible, each index of the wetting powder that the present embodiment is made is good, meets national standard.
Embodiment 2 prepares oil-suspending agent
Preparation method is: first each component is mixed, then with high-speed shearing machine, shear, then carry out sand milling through sand mill, form the uniform oil-suspending agent of outward appearance.
Above-mentioned preparation index is as shown in table 2:
Table 2
Above index illustrates that the oil-suspending agent that this example makes is good, meets country to oil-suspending agent required standard.
Embodiment 3 prepares aqueous suspension agent
Preparation method is: the preparation method of described aqueous suspension agent is: first, get aerosol-OT salt, alkyl naphthalene sulfonic acid condensation polymer, ethylene glycol, xanthans, Sodium Benzoate and water, mix, 1500 revs/min of high-speed homogeneous shearing 30min, then add glyphosate, fluoroglycofen-ethyl, Quizalotop-ethyl and defoamer, continue 1500 revs/min of high speed shear 30min, through sand mill, carry out sand milling again, be milled to solid particle and be all less than 5um, just outward appearance can be formed even, up-to-standard aqueous suspension agent.
Above-mentioned preparation index is as shown in table 3:
Table 3
| Test item | Indication range | Measured value |
| Glyphosate mass fraction % | 30±0.5 | 30.2 |
| Fluoroglycofen-ethyl mass fraction % | 1.5±0.2 | 1.5 |
| Quizalotop-ethyl mass fraction % | 2±0.2 | 2.1 |
| PH scope | 5-7 | 6.3 |
| Glyphosate suspensibility | ≧95 | 96 |
| Fluoroglycofen-ethyl suspensibility | ≧95 | 97 |
| Quizalotop-ethyl suspensibility | ≧95 | 96 |
| Cold thermodynamic stability | Qualified | Qualified |
Above index illustrates that the aqueous suspension agent that this embodiment makes is good, meets standard.
Effect test
For checking the herbicidal effect of weed killer herbicide of the present invention, in the perennial weed region of off-site, carry out the test of pesticide effectiveness, main weeds is lady's-grass, Amaranthus retroflexus, Monochoria vaginalis, humulus grass.
Materials and methods:
Test medicine:
A 30% gyphosate solution (commercially available);
B 10% fluoroglycofen-ethyl missible oil (commercially available);
C 10% Quizalotop-ethyl missible oil (commercially available);
D embodiment 1 gained preparation;
E embodiment 3 gained preparations.
Test weeds: main weeds is lady's-grass, Amaranthus retroflexus, Monochoria vaginalis, humulus grass; Separately there are a small amount of barnyard grass, eleusine indica, green foxtail etc., because negligible amounts is not made experimental subjects.
Experimental scheme:
A 30% gyphosate solution (commercially available) 450g(a.i)/h ㎡;
B 10% fluoroglycofen-ethyl missible oil (commercially available) 15g(a.i)/h ㎡;
C 10% Quizalotop-ethyl missible oil (commercially available) 15g(a.i)/h ㎡;
The wetting powder 450g(a.i of d embodiment 1 preparation)/h ㎡;
The aqueous suspension agent 450g(a.i of e1 embodiment 3 preparations)/h ㎡;
The aqueous suspension agent 900g(a.i of e2 embodiment 3 preparations)/h ㎡;
F blank.
Test is processed and method: the test of pesticide effectiveness is carried out in the perennial weed region outside plant area's enclosure wall, dispenser on July 5, dispenser period is the weed growth busy season, spraying equipment is 15Kg knapsack sprayer, spraying evenly, blank test contrast is set, and 7 processing (seeing above-mentioned) are established in test, repeat twice, Gong14Ge community, community area 15 ㎡, are watered 30Kg to each medicament and clear water control treatment according to every mu, are sprayed in test block.
Observed and recorded after dispenser, the preventive effect that after medicine, district weeds are managed in range estimation in 7 days, 14 days everywhere, records weeds quantity, and Qu Mei community is every square metre of weeds amount of survival on average, calculates the preventive effect of each medicament.
Preventive effect is calculated: preventive effect (%)=(blank district weeds-community residue weeds)/blank district weeds * 100.
After medicine, 7 days, 14 days each test region preventing weeding weeds effects are as shown in table 4:
Table 4
Through test of pesticide effectiveness contrast, known, weed killer herbicide of the present invention is owing to having selected glyphosate, fluoroglycofen-ethyl, Quizalotop-ethyl three composite, interior suction and the mechanism combination of tagging, obviously be better than the use of single dose, and expanded herbicide spectrum, improved quick-acting, reduce dosage and cost, reduced the pollution to environment.
Claims (2)
1. one kind expands the weed killer herbicide that glyphosate herbicide is composed, it is characterized in that: formulation is aqueous suspension agent, by the component of following percetage by weight, formed: glyphosate 30%, fluoroglycofen-ethyl 1.5%, Quizalotop-ethyl 2%, aerosol-OT salt 1%, alkyl naphthalene sulfonic acid condensation polymer 2.5%, ethylene glycol 5%, xanthans 0.15%, Sodium Benzoate 0.05%, silicone defoaming agent 0.2%, surplus is water; Prepare by the following method: first, get aerosol-OT salt, alkyl naphthalene sulfonic acid condensation polymer, ethylene glycol, xanthans, Sodium Benzoate and water, mix, 1500 revs/min of high-speed homogeneous shearing 30min, then add glyphosate, fluoroglycofen-ethyl, Quizalotop-ethyl and defoamer, continue 1500 revs/min of high speed shear 30min, then carry out sand milling through sand mill, be milled to solid particle and be all less than 5 μ m, obtain.
2. a kind of preparation method who expands the weed killer herbicide of glyphosate herbicide spectrum claimed in claim 1, it is characterized in that: first, get aerosol-OT salt, alkyl naphthalene sulfonic acid condensation polymer, ethylene glycol, xanthans, Sodium Benzoate and water, mix, 1500 revs/min of high-speed homogeneous shearing 30min, then add glyphosate, fluoroglycofen-ethyl, Quizalotop-ethyl and defoamer, continue 1500 revs/min of high speed shear 30min, through sand mill, carry out sand milling again, be milled to solid particle and be all less than 5 μ m, obtain.
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| CN105211093A (en) * | 2014-06-19 | 2016-01-06 | 安徽喜丰收农业科技有限公司 | A kind of novel mixed herbicide |
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| CN105230653A (en) * | 2015-10-31 | 2016-01-13 | 海利尔药业集团股份有限公司 | Herbicidal composition containing fluoroglycofen-ethyl |
| CN105475351A (en) * | 2015-12-24 | 2016-04-13 | 安徽美兰农业发展股份有限公司 | Glyphosate, clodinafop-propargyl and fluoroglycofen-ethyl compound wettable powder and preparation method thereof |
| CN105746574A (en) * | 2016-03-31 | 2016-07-13 | 太仓市新华粮食生产专业合作社 | Compound herbicide |
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| CN110248545A (en) * | 2017-02-02 | 2019-09-17 | 巴斯夫欧洲公司 | Herbicidal agent activity is improved with anion alkoxylated phenols |
| CN107347907A (en) * | 2017-08-30 | 2017-11-17 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing glyphosate |
| CN107624782A (en) * | 2017-09-30 | 2018-01-26 | 安徽华星化工有限公司 | A kind of herbicide for expanding glyphosate weed control spectrum |
| CN108576047A (en) * | 2018-08-08 | 2018-09-28 | 许昌市建安区昌盛日化实业有限公司 | A kind of ternary weeding composition and herbicidal composition of Glufosinate-ammoniumpesticideng |
| CN110786323B (en) * | 2019-10-12 | 2020-11-27 | 惠州市银农科技股份有限公司 | Dispersible oil suspending agent with glyphosate as effective component and preparation method thereof |
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