CN102334483B - Weeding composition containing beflubutamid and terbutryn - Google Patents
Weeding composition containing beflubutamid and terbutryn Download PDFInfo
- Publication number
- CN102334483B CN102334483B CN201110201024.XA CN201110201024A CN102334483B CN 102334483 B CN102334483 B CN 102334483B CN 201110201024 A CN201110201024 A CN 201110201024A CN 102334483 B CN102334483 B CN 102334483B
- Authority
- CN
- China
- Prior art keywords
- terbutryn
- beflubutamid
- herbicidal combinations
- weeds
- auxiliary agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- IROINLKCQGIITA-UHFFFAOYSA-N terbutryn Chemical compound CCNC1=NC(NC(C)(C)C)=NC(SC)=N1 IROINLKCQGIITA-UHFFFAOYSA-N 0.000 title claims abstract description 109
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a weeding composition containing beflubutamid and terbutryn. The weeding composition is mainly characterized by containing the following components by weight percentage: 1-50% of beflubutamid, 1-80% of terbutryn and an additive. The weeding composition can be made into wettable powder, water dispersible granules, suspension concentrate, suspension emulsion, microemulsion and water emulsion. The weeding composition is used for preventing and controlling weeds in a cornfield.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to the Herbicidal combinations of a kind of beflubutamid and terbutryn, for preventing and treating the common weeds of wheatland.
Background technology
The direction of pesticide developing was to embody efficient, low toxicity, low-residual and pollution-free in recent years.Be embodied in pursuit " three height ", (1) is safe, and this not only requires toxicity low, residual low, and nuisanceless; (2) biologically active is high; (3) selectivity is high.Therefore continue to improve the performance of current Pesticidal products, reach efficient, low toxicity, free of contamination requirement.So, select the agricultural chemicals of composite mixture just to become current first-selection and a kind of effective approach, by adjusting the proportioning of different agricultural chemicals, be that the agricultural chemicals of performance complement obtains best synergistic effect.
Beflubutamid (beflubufamid), molecular formula: C
18h
17f
4nO
2, molecular weight: 355.33.Beflubutamid is the benzene oxanamide class weed killer herbicide by the exploitation of Ube industry company, be mainly used in wheat paddock seedling rear defence except important broad leaved weed and grassy weed, with isoproturon mix weeding, have better effect, because its lasting period is moderate, on succession crop without impact.
Terbutryn (terbutryn), molecular formula: C
10h
19n
5s, chemical name: the special fourth amino-1,3,5-triazines of 2-methyl mercapto-4-ethylamino-6-, terbutryn belongs to inner-adsorption conduction-type herbicide, can be used for before bud, weeding after bud.
In recent years, the frequent use of people has concurrently the safety of useful crop and the so-called selective herbicide to the herbicidal effect of undesirable plant, even but there is the weed killer herbicide of high selectivity, because of various conditions such as the kind of meteorological condition, soil condition, crop, chemicals treatment periods, sometimes also produce poisoning in use.People are studying the use of the various poisoning palliatives of the so less desirable state of affairs of reply.At present, China also comparatively payes attention to aspect the mixed research of weed killer herbicide, is widely regarded as one of important measures of rationally use of weed killer herbicide, has worked out a series of Herbicidal compositions, has obtained greater advance.
My company is also devoted to the research and development of Herbicidal compositions.At present, about beflubutamid, have no report to the relevant composite product of terbutryn.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations that contains beflubutamid of preventing and treating weeds of wheat.
Technical scheme of the present invention is:
A Herbicidal combinations for containing beflubutamid and terbutryn, is characterized in that: in Herbicidal combinations, contain beflubutamid 1～50%, terbutryn 1～80%, auxiliary agent surplus.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: in Herbicidal combinations, contain beflubutamid 2～40%, terbutryn 5～60%, auxiliary agent surplus.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: in Herbicidal combinations, contain beflubutamid 3～20%, terbutryn 20～50%, auxiliary agent surplus.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: the formulation of Herbicidal combinations is selected from: wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion.
Described auxiliary agent comprises: one or more in dispersant, wetting agent, disintegrant, emulsifier, solvent, antifreeze, defoamer, thickener, filler, deionized water.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: while making wetting powder, comprise following constituent content: beflubutamid 1～50%, terbutryn 1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～91%.
Beflubutamid, terbutryn, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into beflubutamid terbutryn wetting powder product.
The Herbicidal combinations of described containing beflubutamid and terbutryn weed killer herbicide, is characterized in that: when composition is made water dispersible granules, comprise following constituent content: beflubutamid 1～50%, terbutryn 1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～93%.
Beflubutamid, terbutryn, dispersant, wetting agent, disintegrant, filler etc. are obtained to the particle diameter needing through air-flow crushing together, obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make beflubutamid terbutryn water dispersible granules product.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: when composition is made suspending agent, comprise following constituent content: beflubutamid 1～30%, terbutryn 1～50%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%, emulsifier 0.5%～5%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze, emulsifier in above-mentioned formulation material are mixed through high speed shear, add beflubutamid, terbutryn ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make beflubutamid terbutryn suspending agent product.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, it is characterized in that: when composition is made suspension emulsion, comprise following constituent content: beflubutamid 1～30%, terbutryn 1～50%, emulsifier 2～12%, dispersant 2～10%, defoamer 0.1～2%, thickener 0.1～2%, antifreeze 0.1～8%, stabilizing agent 0.05～3%, deionized water add to 100%.
Dispersant, defoamer, thickener, antifreeze, stabilizing agent in above-mentioned formulation material are mixed through high speed shear, add the former medicine of beflubutamid, in ball mill, ball milling is 2～3 hours, make diameter of particle all below 5 μ m, make beflubutamid suspending agent, then by terbutryn, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make beflubutamid terbutryn suspension emulsion product.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, is characterized in that: while making microemulsion, comprise: beflubutamid 1～30%, terbutryn 1～50%, solvent 3～30%, emulsifier 3～15%, antifreeze 1～4%, defoamer 0.01～1%, thickener 0.2～2%, deionized water add to 100%.
Former medicine is dissolved in the reactor that solvent and cosolvent are housed; After anion emulsifier, nonionic emulsifier and stabilizing agent, antifreeze, water being joined in the reactor that above-mentioned solution is housed, give strong mixing and homogenize, finally obtain the as clear as crystal beflubutamid terbutryn microemulsion product of outward appearance.
Described containing beflubutamid and the Herbicidal combinations of terbutryn, comprise while it is characterized in that making aqueous emulsion: beflubutamid 1～30%, terbutryn 1～50%, solvent 3～30%, emulsifier 1～8%, antifreeze 1～4%, defoamer 0.01～1%, thickener 0.2～2%, deionized water add to 100%.
Beflubutamid, terbutryn, solvent, emulsifier in formula are added together, make to be dissolved into even oil phase; Water, antifreeze, defoamer, thickener are mixed, become homogeneous water; Under high-speed stirred, water is added to oil phase or oil phase is added to water, after good dispersion, make beflubutamid terbutryn aqueous emulsion product.
Described dispersant is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, alkylaryl APEO, aliphatic alcohol polyethenoxy base ether, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, polyoxyethylene carboxylate, one or more during ester polyoxyethylene is phonetic.
Described wetting agent is selected from: lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, tea are withered, one or more in silkworm excrement, soapberry powder.
Described disintegrant is selected from: one or more in sodium bicarbonate, sodium carbonate, bentonite, urea, ammonium sulfate, glucose, aluminium chloride.
Described solvent is selected from: DMF, cyclohexanone, methyl alcohol, ethanol, 3-methyl cyclohexanol ketenes, NOP, N-pyrrolidones, propyl alcohol, butanols, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil, acetonitrile.
Described emulsifier is selected from: agriculture breast 500
#(alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600
#phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), agriculture breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), peaceful breast 36
#(phenethyl fluosite polyoxy ethyl ether), agriculture breast 1600
#(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), agriculture breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether), agriculture breast 34
#one or more in (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), AEO series (fatty alcohol-polyoxyethylene ether).
Described antifreeze is selected from: one or more in glycerine, ethylene glycol, propane diols, glycerine, diethylene glycol (DEG), triethylene glycol, polyethylene glycol.
Described defoamer is selected from: silicone, C
8～10aliphatic alcohols, C
10～20one or more in saturated fat acids (as capric acid) and acid amides, silicone oil, silicone compound.
Described thickener is selected from: xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol, gelatin, melon glue, gum Arabic, sodium phosphate trimer, phenolic resins, sodium alginate, white dextrin,, one or more in PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Herbicidal combinations of the present invention compared with prior art, produces following beneficial effect:
Herbicide mixture is one of important measures in the weeds comprehensive regulation, by the mixed of weed killer herbicide, can expand herbicidal spectrum, improve herbicidal effect, extend the optimum period for applying fertilizer, reduce poisoning, reduce residual activity, delay the drug-fast generation of weed killer herbicide and development, to wheat weeds as wheat straw, amur foxtail, Alopecurus, hard grass, Wang grass, caput grass, Veronica, broadcast ma wormwood artemisia, green foxtail, clearvers, wild oat, benbie, field viola, lamb's-quarters, shepherd's purse, corn spurrey, puncture, amaranth, conical silene herb, dayflower, black nightshade, Siberian cocklebur, salsola collina, corn gromwell, field bindweed, corn-bind, chickweed, german chamomile, opium poppy, the common weeds such as lady's-grass are remarkably productive.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Embodiment
Below in conjunction with embodiment to further instruction of the present invention.
Implementation of an application example one:
Beflubutamid and terbutryn are mixed the active determination test of weeds of wheat are reported
Test objective: measured beflubutamid and terbutryn and different blended combo thereof and close the herbicidal effect to Veronica under greenhouse pot culture condition, and evaluated its synergy, for formulation development and the agriculture chemical registration field control effectiveness test of Mixed Pharmacy provides scientific basis.
For trying target: Veronica (Veronica spicata L).
Test medicine: beflubutamid (beflubufamid) 97% former medicine, terbutryn (terbutryn) 97% former medicine, by Shaanxi, Mei Bang agricultural chemicals Co., Ltd provides.
Medicament configuration:
Beflubutamid solution: accurately take the former medicine of 0.0445g97% beflubutamid, dissolve with 1mLDMF, add the clear water 400mL containing 0.1%TWEEN80 emulsifier, stir, be configured to beflubutamid 170g (a.i./hm
2) solution, then be diluted to 115g (a.i./hm with clear water
2), 75g (a.i./hm
2) concentration is standby.
Terbutryn solution: accurately take 0.3145g97% terbutryn, dissolve with 1mLDMF, add the clear water 400mL containing 0.1%TWEEN80 emulsifier, stir, be configured to terbutryn 1200g (a.i./hm
2) solution, then be diluted to 850g (a.i./hm with clear water
2), 600g (a.i./hm
2) concentration is standby.
Blank solution: 1mLDMF adds the water of 400mL 0.1%TWEEN80 emulsifier.
Test method: adopt potted plant cauline leaf facture (NY/T 1155.4-2006): at the in-built quantitative soil of polypots of high 6cm, diameter 9cm, will be for 15～20 sowings of examination target weed seed in polypots, after covering the fine earth that 0.5～1cm is thick, be placed on cultivation in greenhouse, treat that weeds grew to for 2～5 leaf phases and carry out cauline leaf spraying processing, every alms bowl spraying liquid 1mL, every processing repeats 4 times, and establishes the contrast that is treated to that does not contain medicament.After processing, examination material is placed in the greenhouse in and cultivates, and the growing state of routine observation target weeds is estimated target be injured symptom and growth inhibition situation, and claimed acrial part fresh weight or strain fresh weight, the toxicity action with form fresh weight inhibiting rate evaluation medicament to target weeds after 15d.
Investigation method:
Test is processed and to be estimated target be injured symptom and growth inhibition situation after 15d, and claims acrial part fresh weight, calculates fresh weight inhibiting rate (%).
Synergy evaluation method:
According to Gowing method, evaluate weed killer herbicide mode of application (NY/T 1155.7-2006), its formula is as follows:
E
0＝X+Y-XY/100
In formula, X is beflubutamid fresh weight inhibiting rate to target weeds when alone with certain dosage; Y is terbutryn fresh weight inhibiting rate to target weeds when alone with certain dosage; E
0theoretical value to target weeds fresh weight inhibiting rate during for beflubutamid and two kinds of pharmacy mix of terbutryn; Measured value to target weeds fresh weight inhibiting rate when E is beflubutamid and two kinds of pharmacy mix of terbutryn.
Evaluation criterion: work as E-E
0during > 10%, be expressed as synergistic effect, as-10%≤E-E
0in the time of≤10%, be expressed as summation action, work as E-E
0during <-10%, be expressed as antagonism.
Table 1 beflubutamid and terbutryn and the toxicity test result of combination to Veronica that be mixed thereof
Table 1 beflubutamid and terbutryn and the toxicity test result of combination to Veronica that be mixed thereof
Evaluating drug effect: beflubutamid and terbutryn and the composition that is mixed thereof to the herbicidal effect measurement result of Veronica in Table 1.Visible, beflubutamid and terbutryn show synergistic effect to Veronica, its E-E with 75+600,75+850,75+1200,115+600,115+850,115+1200,170+600,170+850, the 170+1200 composition that is mixed
0value is greater than respectively 10%.
Application Example two: beflubutamid composite product embodiments relevant to terbutryn (following content is folding hundred percentage compositions).
Embodiment 1 60% beflubutamid terbutryn wetting powder
Beflubutamid 10%, terbutryn 50%, alkyl benzene sulfonate calcium salt 8%, Nekal BX 6%, kaolin add to 100%, and mixture carries out air-flow crushing, make 60% beflubutamid terbutryn wetting powder.
Embodiment 2 81% beflubutamid terbutryn wetting powders
Beflubutamid 1%, terbutryn 80%, lignosulfonates 6%, spaonin powder 4%, white carbon add to 100%, and mixture carries out air-flow crushing, make 81% beflubutamid terbutryn wetting powder.
Embodiment 3 60% beflubutamid terbutryn water dispersible granules
Beflubutamid 20%, terbutryn 40%, alkylphenol-polyethenoxy are phonetic 7%, neopelex 5%, sodium carbonate 2%, bentonite add to 100%, mix and make 60% beflubutamid terbutryn water dispersible granules.
Embodiment 4 80% beflubutamid terbutryn water dispersible granules
Beflubutamid 10%, terbutryn 70%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5%, tea are withered 3%, aluminium chloride 3%, white carbon add to 100%, mix and make 80% beflubutamid terbutryn water dispersible granules.
Embodiment 5 22% beflubutamid terbutryn suspending agents
Beflubutamid 2%, terbutryn 20%, naphthalene sulfonic acid-formaldehyde condensation product 7%, Nekal BX 4%, C
8～10aliphatic alcohols 0.1%, ethylene glycol 2%, polyvinyl alcohol 0.8%, deionized water adds to 100%, mixes and makes 22% beflubutamid terbutryn suspending agent.
Embodiment 6 35% beflubutamid terbutryn suspending agents
Beflubutamid 5%, terbutryn 30%, polycarboxylate 8%, lauryl sodium sulfate 2%, silicone 0.3%, xanthans 1.1%, triethylene glycol 2.5%, deionized water add to 100%, mix and make 35% beflubutamid terbutryn suspending agent.
Embodiment 7 25% beflubutamid terbutryn suspension emulsions
Beflubutamid 20%, terbutryn 5%, alkyl benzene sulfonate calcium salt 6%, phenyl phenol polyoxy ethyl ether 7%, silicone compound 0.4%, hydroxyethylcellulose 1.4%, glycerine 3%, water adds to 100%, and aforementioned formula material is mixed, and makes 25% beflubutamid terbutryn suspension emulsion.
Embodiment 8 50% beflubutamid terbutryn suspension emulsions
Beflubutamid 10%, terbutryn 40%, lignosulfonates 8%, wetting and penetrating agent F3%, ethylene oxide-propylene oxide block copolymer 7%, silicone oil 0.2%, polyvinyl alcohol 0.7%, polyethylene glycol 2.4%, water add to 100%, mix and make 50% beflubutamid terbutryn suspension emulsion.
Embodiment 9 11% beflubutamid terbutryn aqueous emulsions
Beflubutamid 10%, terbutryn 1%, N-pyrrolidones 6%, butanols 3%, castor oil polyoxyethylene ether 5%, triethylene glycol 2.1%, methylcellulose 0.9%, silicone compound 0.3%, water is mended to 100%, makes 11% beflubutamid terbutryn aqueous emulsion.
Embodiment 10 48% beflubutamid terbutryn aqueous emulsions
Beflubutamid 6%, terbutryn 42%, ethylene glycol monomethyl ether 5%, cyclohexanone 4%, styrene polyoxyethylene ether ammonium sulfate salt 8%, ethylene glycol 2.7%, Magnesiumaluminumsilicate 0.9%, silicone oil 0.2%, water are mended to 100%, make 48% beflubutamid terbutryn aqueous emulsion.
Embodiment 11 20% beflubutamid terbutryn microemulsions
Beflubutamid 10%, terbutryn 10%, NOP 5%, toluene 7%, diethylene glycol (DEG) 3%, fatty alcohol-polyoxyethylene ether 5%, xanthans 1.1%, C
8～10aliphatic alcohols 0.4%, water supply 100%, make 20% beflubutamid terbutryn microemulsion.
Embodiment 12 40% beflubutamid terbutryn microemulsions
Beflubutamid 8%, terbutryn 32%, ethanol 8%, ethyl acetate 5%, propane diols 2%, hydroxyethylcellulose 1.3%, phenethyl phenol polyoxy ethyl polypropylene-base ether 7%, silicone 0.2%, water supply 100%, make 40% beflubutamid terbutryn microemulsion.
Application Example three: beflubutamid and terbutryn control weeds of wheat field control effectiveness test
Control medicament: the complex composition of beflubutamid and terbutryn, by the research and development of Shaanxi Mei Bang agricultural chemicals Co., Ltd, produced;
Contrast medicament: 20% beflubutamid suspending agent (commercial);
50% terbutryn suspending agent (commercial).
If artificial weeding and clear water control treatment.
Using method: every mu be watered 35 liters after evenly cauline leaf sparge in each community
Spraying time: next year wheat turn green, the weeds 2-5 leaf phase, carry out cauline leaf spraying 1 time.
Dispenser place: Fuyang City Funan County, Anhui Province
Investigation method and drug effect are calculated
Investigation weeds object is: the weeds such as Veronica, amur foxtail, lady's-grass, 10 days, the 30 days fresh weight preventive effects to the strain preventive effect of weeds and 30 days after investigation medicine.
Visual test medicament occurs without poisoning wheat.
Test results and analysis are respectively in Table 2.
The table 2 beflubutamid terbutryn control weeds of wheat test of pesticide effectiveness
Table 2 beflubutamid terbutryn and the built composition for preventing and controlling weeds of wheat test of pesticide effectiveness thereof
Beflubutamid and terbutryn are composite as shown in Table 2 has good control efficiency to weeds such as wheat paddock Veronica, green foxtail, clearvers, preventive effect is better than single dose preventive effect, with contrast medicament, artificial weeding, with respect to significant difference between the rate of growth of clear water control treatment, and there is good quick-acting and lasting effect, in this experimental drug scope, to wheat safety.
Application Example four: beflubutamid and terbutryn control weeds of wheat field control effectiveness test
Control medicament: the complex composition of beflubutamid and terbutryn, by the research and development of Shaanxi Mei Bang agricultural chemicals Co., Ltd, produced;
Contrast medicament: 20% beflubutamid suspending agent (commercial);
50% terbutryn suspending agent (commercial).
If artificial weeding and clear water control treatment.
Using method: every mu be watered 35 liters after evenly cauline leaf sparge in each community
Spraying time: after next year, wheat turned green, the weeds 2-5 leaf phase, carry out cauline leaf spraying 1 time.
Dispenser place: Kaifeng, Henan Province Lankao County
Investigation method and drug effect are calculated
Investigation weeds object is: the weeds such as clearvers, wild oat, amur foxtail, 10 days, the 30 days fresh weight preventive effects to the strain preventive effect of weeds and 30 days after investigation medicine.
Visual test medicament occurs without poisoning wheat.
Test results and analysis are respectively in Table 3.
Beflubutamid and terbutryn are composite as shown in Table 3 has good control efficiency to wheat paddock clearvers, green foxtail, chickweed etc., preventive effect is better than single dose preventive effect, with contrast medicament, artificial weeding, with respect to significant difference between the rate of growth of clear water control treatment, and there is good quick-acting and lasting effect, in this experimental drug scope, to wheat safety.
Claims (6)
1. the Herbicidal combinations of a containing beflubutamid and terbutryn, it is characterized in that: in Herbicidal combinations, contain beflubutamid 1 ~ 50%, terbutryn 1 ~ 80%, auxiliary agent surplus, wherein the weight ratio of beflubutamid and terbutryn is 1:8,3:34,1:16,23:120,23:170,23:240,17:60,1:5 or 17:120.
2. the Herbicidal combinations of containing beflubutamid according to claim 1 and terbutryn, is characterized in that: in Herbicidal combinations, contain beflubutamid 2 ~ 40%, terbutryn 5 ~ 60%, auxiliary agent surplus.
3. the Herbicidal combinations of containing beflubutamid according to claim 2 and terbutryn, is characterized in that: in Herbicidal combinations, contain beflubutamid 3 ~ 20%, terbutryn 20 ~ 50%, auxiliary agent surplus.
4. the Herbicidal combinations of containing beflubutamid according to claim 1 and terbutryn, is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion.
5. the Herbicidal combinations of containing beflubutamid according to claim 1 and terbutryn is used for the purposes of preventing and treating wheat weeds.
6. purposes according to claim 5, is characterized in that: described weeds comprise that wheat straw, amur foxtail, hard Cao, Wang grass, caput are careless, Veronica, broadcast ma wormwood artemisia, green foxtail, clearvers, wild oat, benbie, field viola, lamb's-quarters, shepherd's purse, corn spurrey, puncture, amaranth, conical silene herb, dayflower, black nightshade, Siberian cocklebur, salsola collina, corn gromwell, field bindweed, corn-bind, chickweed, german chamomile, opium poppy, lady's-grass.
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|---|---|---|---|---|
| EP0901753A1 (en) * | 1996-02-09 | 1999-03-17 | Ube Industries, Ltd. | Herbicidal composition |
| WO2003024227A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| WO2003028467A1 (en) * | 2001-09-27 | 2003-04-10 | Syngenta Participations Ag | Herbicidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901753A1 (en) * | 1996-02-09 | 1999-03-17 | Ube Industries, Ltd. | Herbicidal composition |
| WO2003024227A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| WO2003028467A1 (en) * | 2001-09-27 | 2003-04-10 | Syngenta Participations Ag | Herbicidal composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018119338A1 (en) | 2016-12-22 | 2018-06-28 | Fmc Corporation | Mixtures of beflubutamid or optically enriched forms thereof with a second herbicide |
| KR102644635B1 (en) | 2016-12-22 | 2024-03-08 | 에프엠씨 코포레이션 | Mixture of beflubutamide or an optically enriched form thereof with a second herbicide |
| US11950597B2 (en) | 2016-12-22 | 2024-04-09 | Fmc Corporation | Mixtures of beflubutamid or optically enriched forms thereof with a second herbicide |
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| CN102334483A (en) | 2012-02-01 |
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