CN103238607B - The Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr - Google Patents
The Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr Download PDFInfo
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- fluroxypyr
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Abstract
The present invention relates to the Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr, said composition principal character is: Herbicidal combinations contains active ingredient isoxazole humulone 1 ~ 70%, fluroxypyr 1 ~ 70%, auxiliary agent and other excipient, make wetting powder, water dispersible granules, oil-suspending agent, suspension emulsion, microemulsion, aqueous emulsion etc.Herbicidal combinations of the present invention is used for control of maize field broad leaved weed and grassy weed.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to the Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr, for preventing and treating cornfield gramineae weed and broad leaved weed.
Background technology
Nineteen fifty-five has people to report Amrol can increase the prevent and kill off effect beginning of dalapon to stone thatch, after, that produces along with weed killer herbicide and apply further develops, and using with between weed killer herbicide grows up gradually.China also comparatively payes attention in the mixed research of weed killer herbicide, by one of important measures being extensively recognized as weed killer herbicide reasonable employment, investigated a series of Herbicidal compositions, achieves greater advance.
Isoxazole humulone (Isoxaflutole), molecular formula: C
15h
12f
3nO
4s, chemical name: 5-cyclopropyl-4-(2-mesyl-4-trifluoromethyl) the different (Evil of benzoyl) azoles.After susceptible weeds absorbs this medicine, by suppressing ethyl-para-hydroxyphenyl ketone dioxygenase and destroy chlorophyllous formation, the weeds chlorosis that causes being injured is withered.Isoxaflutole is when using or after using, though the active ingredient be stranded in because soil moisture content is bad in topsoil can not give play to the effect of management of weeds in time, but still the long period can be kept not to be decomposed, rainfall to be run into or irrigation, still can play the effect of management of weeds, even the susceptible weeds growing to 4 ~ 5 leaves also can be killed and wounded and suppress.
Fluroxypyr (Fluroxypyr), molecular formula: C
7h
5o
3n
2fCl
2, chemical name: the fluoro-pyridine of the chloro-6-of 4-amino-3.5-two-2-fluoroacetic acid.Fluroxypyr is inner sucting conduction type herbicide after seedling, is absorbed by plants very soon after medicine, makes sensitive plant occur the reaction of classical hormones class weed killer herbicide, plant deformity, distortion, finally withered.Be applicable to the ground such as wheat, barley, corn, grape, orchard, pasture, forest land, lawn and prevent and kill off broad leaved weed; As clearvers, volume stem knotweed, kitchen garden, black nightshade, field bindweed, knotweed, amaranth etc.
The chemical composition of each weed killer herbicide, formation and physic-chemical property are all distinguishing.Therefore, their herbicide ability and scope also different.Some weed killer herbicide herbicide spectrum is narrower, but has one's own knack, and can eradicate the weeds being difficult to elimination with other weed killer herbicide.
My company is devoted to the research and development of Herbicidal compositions.At present, report is had no about isoxazole humulone to the relevant compound product of fluroxypyr.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations containing isoxazole humulone for corn field weed control.
Technical scheme of the present invention is:
Contain a Herbicidal combinations for isoxazole humulone and fluroxypyr, it is characterized in that: Herbicidal combinations contains active ingredient isoxazole humulone 1 ~ 70%, fluroxypyr 1 ~ 70%, adjuncts Balance.
Described Herbicidal combinations, is characterized in that: Herbicidal combinations contains active ingredient isoxazole humulone 5 ~ 50%, fluroxypyr 5 ~ 60%, adjuncts Balance.
Described Herbicidal combinations, is characterized in that: Herbicidal combinations contains active ingredient isoxazole humulone 10 ~ 40%, fluroxypyr 10 ~ 50%, adjuncts Balance.
Described Herbicidal combinations, by technology known in those skilled in the art, can make any one formulation that agricultural chemicals allows, wherein more preferably formulation has: wetting powder, water dispersible granules, aqueous emulsion, microemulsion, oil-suspending agent, suspension emulsion etc.
Described auxiliary agent and excipients comprise: dispersant, wetting agent, disintegrant, emulsifier, solvent, antifreeze, defoamer, thickener, filler, deionized water.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, is characterized in that: comprise following constituent content when making wetting powder: effective constituents A isoxazole humulone 1 ~ 70%, fluroxypyr 1 ~ 70%, dispersant 5 ~ 10%, wetting agent 2 ~ 10%, filler add to 100%.
By active ingredient isoxazole humulone, fluroxypyr, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into isoxazole humulone fluroxypyr wetting powder product.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, is characterized in that: comprise following constituent content: isoxazole humulone 1 ~ 70% when composition makes water dispersible granules, fluroxypyr 1 ~ 70%, dispersant 3 ~ 12%, wetting agent 1 ~ 8%, disintegrant 1 ~ 10%, filler add to 100%.
Isoxazole humulone, fluroxypyr, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining isoxazole humulone fluroxypyr water dispersible granules product.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, is characterized in that: comprise following constituent content: isoxazole humulone 1 ~ 60% when composition makes oil-suspending agent, fluroxypyr 1 ~ 60%, dispersant 2 ~ 10%, wetting agent 2 ~ 10%, defoamer 0.1 ~ 1%, thickener 0.1 ~ 2%, emulsifier 0.5% ~ 8%, solvent add to 100%.
Former for isoxazole humulone medicine, thickener, defoamer, solvent are joined in sand milling axe after metering, adding emulsifier, after being ground to certain fineness, material is inputed to storage tank, put in average blender after metering, former for quantitative fluroxypyr medicine and emulsifier and a certain amount of solvent are joined in average blender, after homogenizer dispersion mixing, sample analysis, after product is qualified, packaging warehouse-in, obtained isoxazole humulone fluroxypyr oil-suspending agent product.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, it is characterized in that: comprise following constituent content: isoxazole humulone 1 ~ 60%, fluroxypyr 1 ~ 60%, emulsifier 2 ~ 12% when composition makes suspension emulsion, 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 fluroxypyr, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained fluroxypyr suspending agent, then Jiang former for isoxazole humulone medicine, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained isoxazole humulone fluroxypyr suspension emulsion product of the present invention.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, is characterized in that: comprise: isoxazole humulone 1 ~ 60% when making microemulsion, fluroxypyr 1 ~ 60%, 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; Anion emulsifier, nonionic emulsifier and stabilizing agent, antifreeze, water are joined after in the reactor that above-mentioned solution is housed and gives strong mixing and homogenize, finally obtains clear appearance transparent isoxazole humulone fluroxypyr microemulsion.
The described Herbicidal combinations containing isoxazole humulone and fluroxypyr, comprises: isoxazole humulone 1 ~ 60%, fluroxypyr 1 ~ 60%, solvent 3 ~ 30%, emulsifier 1 ~ 8%, antifreeze 1 ~ 4%, defoamer 0.01 ~ 1%, thickener 0.2 ~ 2%, deionized water adds to 100% when it is characterized in that making aqueous emulsion.
Isoxazole humulone, fluroxypyr, solvent, emulsifier in formula are added together, make to be dissolved into homogeneous oil phase; Water, antifreeze, defoamer, thickener are mixed, becomes homogeneous aqueous phase; Under high velocity agitation, aqueous phase is added oil phase or oil phase is added aqueous phase, obtained isoxazole humulone fluroxypyr aqueous emulsion product after good dispersion.
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, 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: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, glucose.
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 (thermally coupled distillation columns), 600
#phosphate (phenyl phenol polyoxyethanyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400
#(benzyl dimethyl phenol polyoxyethyl ether), agriculture breast 600
#(phenyl phenol polyoxyethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxyethyl ether), peaceful breast 36
#(phenethyl fluosite polyoxyethyl ether), agriculture breast 1600
#(phenethyl phenol polyoxyethanyl 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), Span series (sorbitan monostearate), TWEEN Series (sorbitan fatty acid ester APEO), AEO series (fat alcohol alcohol APEO).
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, 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: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Oil-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:
Herbicidal combinations of the present invention compared with prior art, produces following beneficial effect:
Herbicidal spectrum can be expanded by weed killer herbicide mixed, improve herbicidal effect, extend the optimum period for applying fertilizer, reduce poisoning, reduce residual activity, delay the generation of herbicide resistance and development, to grassy weed and broad leaved weed as successfuls such as Amaranthus retroflexus, lamb's-quarters, sky japanese bearbind, black nightshade, three-coloured amaranth, piemarker, iron amaranth, kitchen garden, green foxtail, lady's-grass, eleusine indicas.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention.
Implementation of an application example one:
Isoxazole humulone and fluroxypyr mixture are reported the active determination test of corn weeds
Test objective: determine isoxazole humulone and fluroxypyr and different blended combo thereof and close herbicidal effect to kitchen garden under greenhouse pot culture condition, and have rated its synergy, for the formulation development of Mixed Pharmacy and agriculture chemical registration field control effectiveness test provide scientific basis.
For examination target: kitchen garden (PortulacaoleraceaL).
The former medicine of test medicine: isoxazole humulone (isoxaflutole) 95%, the former medicine of fluroxypyr (fluroxypyr) 95%, provides by Shaanxi Meibang Pesticide Co., Ltd..
Medicament configures:
Isoxazole humulone solution: accurately take the former medicine of 0.1405g95% isoxazole humulone, dissolves with 0.2mLDMF, adds the clear water 400mL containing 0.1%TWEEN80 emulsifier, stir, be configured to isoxazole humulone 105g (a.i./hm
2) solution, then be diluted to 75g (a.i./hm with clear water
2), 45g (a.i./hm
2), 15g (a.i./hm
2) concentration is for subsequent use.
Fluroxypyr solution: accurately take the former medicine of 0.2810g95% fluroxypyr, dissolves with 0.2mLDMF, adds the clear water 400mL containing 0.1%TWEEN80 emulsifier, stir, be configured to fluroxypyr 210g (a.i./hm
2) solution, then be diluted to 160g (a.i./hm with clear water
2), 110g (a.i./hm
2), 60g (a.i./hm
2) concentration is for subsequent use.
Placebo solution: 0.2mLDMF adds the water of 80mL0.1%TWEEN80 emulsifier.
Test method: adopt potted plant cauline leaf facture (NY/T1155.4-2006): at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in polypots, be placed in greenhouse after the fine earth that lid 0.5 ~ 1cm is thick and cultivate, treat that weeds grew to for 2 ~ 4 leaf phases and carry out cauline leaf spraying process, every alms bowl spraying liquid 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination is just placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation after 15d, and claims acrial part fresh weight or strain fresh weight, evaluates medicament to the toxicity action of target weeds with form fresh weight inhibition.
Investigation method: estimate target damage symptoms and growth inhibition situation after test process 15d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Synergy evaluation method:
Evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
E
0＝X+Y-XY/100
In formula, X Wei isoxazole humulone alone with certain dosage time fresh weight inhibition to target weeds; Y be fluroxypyr alone with certain dosage time fresh weight inhibition to target weeds; E
0theoretical value to target weeds fresh weight inhibition when Wei isoxazole humulone and fluroxypyr two kinds of pharmacy mix; Measured value to target weeds fresh weight inhibition when E Wei isoxazole humulone and fluroxypyr two kinds of pharmacy mix.
Evaluation criterion: work as E-E
0synergistic effect is expressed as, as-10%≤E-E during > 10%
0be expressed as summation action when≤10%, work as E-E
0antagonism is expressed as during <-10%.
Table 1 isoxazole humulone and fluroxypyr and mixture thereof combine the toxicity test result to kitchen garden
Table 1 isoxazole humulone and fluroxypyr and mixture thereof combine the toxicity test result to kitchen garden
Evaluating drug effect: isoxazole humulone and fluroxypyr and mixture composition thereof to the herbicidal effect measurement result of kitchen garden in table 1.Visible ， isoxazole humulone and fluroxypyr with 15+60,15+110,15+160,15+210,45+60,45+110,45+160,45+210,75+60,75+110,75+160,75+210,105+60,105+110,105+160 mixture composition to its E-E of kitchen garden
0value is all greater than 10%, shows synergistic effect, wherein best with the effect of mixture composition to kitchen garden of 75+160, its E-E
0value is 22.30%.
Application Example two: isoxazole humulone is correlated with compound product embodiment (following content is folding hundred percentage composition).
Embodiment 169% isoxazole humulone fluroxypyr wetting powder
Isoxazole humulone 68%, fluroxypyr 1%, ester polyoxyethylene are phonetic 5%, aryl phenol polyoxyethylene succinate sulfonate 4%, lauryl sodium sulfate 4%, kaolin add to 100%, mixture carries out air-flow crushing, obtained 69% isoxazole humulone fluroxypyr wetting powder.
Embodiment 260% isoxazole humulone fluroxypyr wetting powder
Isoxazole humulone 20%, fluroxypyr 40%, naphthalene sulfonic acid-formaldehyde condensation product 6%, sldium lauryl sulfate 5%, wetting and penetrating agent F3%, bentonite add to 100%, mixture carries out air-flow crushing, obtained 60% isoxazole humulone fluroxypyr wetting powder.
Embodiment 350% isoxazole humulone fluroxypyr wetting powder
Isoxazole humulone 30%, fluroxypyr 20%, polyoxyethylene carboxylate 7%, lauryl sodium sulfate 7%, soapberry powder 6%, precipitated calcium carbonate add to 100%, mixture carries out air-flow crushing, obtained 50% isoxazole humulone fluroxypyr wetting powder.
Embodiment 460% isoxazole humulone fluroxypyr water dispersible granules
Isoxazole humulone 20%, fluroxypyr 40%, lauryl sodium sulfate 6%, alkylaryl APEO 4%, sodium carbonate 4%, CMC 0.3%, white carbon 12%, attapulgite add to 100%, obtained 60% isoxazole humulone fluroxypyr water dispersible granules.
Embodiment 550% isoxazole humulone fluroxypyr water dispersible granules
Isoxazole humulone 20%, fluroxypyr 30%, Nekal BX 8%, alkylphenol-polyethenoxy are phonetic 3%, urea 4%, xanthans 0.6%, bentonite add to 100%, obtained 50% isoxazole humulone fluroxypyr water dispersible granules.
Embodiment 647% isoxazole humulone fluroxypyr water dispersible granules
Isoxazole humulone 7%, fluroxypyr 40%, Nekal BX 7%, polycarboxylate 6%, aluminium chloride 3%, polyethylene glycol 1.2%, attapulgite add to 100%, obtained 47% isoxazole humulone fluroxypyr water dispersible granules.
Embodiment 730% isoxazole humulone fluroxypyr aqueous emulsion
The phonetic formaldehyde condensation products sulphate 5% of isoxazole humulone 10%, fluroxypyr 20%, DMF 9%, methyl alcohol 8%, alkylphenol-polyethenoxy, benzyl dimethyl phenol polyoxyethyl ether 3%, propane diols 4%, C
8 ~ 10aliphatic alcohols 0.07%, sodium phosphate trimer 0.9%, deionized water add to 100%, the obtained 30% isoxazole humulone fluroxypyr aqueous emulsion of mixing.
Embodiment 840% isoxazole humulone fluroxypyr aqueous emulsion
Isoxazole humulone 20%, fluroxypyr 20%, propyl alcohol 5%, glycerine 10%, sorbitan fatty acid ester APEO 5%, thermally coupled distillation columns 5%, gum Arabic 3%, silicone oil 0.3%, deionized water add to 100%, the obtained 40% isoxazole humulone fluroxypyr aqueous emulsion of mixing.
Embodiment 955% isoxazole humulone fluroxypyr aqueous emulsion
Isoxazole humulone 30%, fluroxypyr 25%, butanols 6%, ethylene glycol 12%, benzyl dimethyl phenol polyoxyethyl ether 6%, alkylaryl polyoxyethylene poly-oxygen propylene aether 4%, polyvinyl alcohol 2.5%, C
8 ~ 10aliphatic alcohols 0.2%, deionized water add to 100%, the obtained 55% isoxazole humulone fluroxypyr aqueous emulsion of mixing.
Embodiment 1015% isoxazole humulone fluroxypyr microemulsion
Isoxazole humulone 5%, fluroxypyr 10%, N-pyrrolidones 10%, cyclohexanone 7%, castor oil polyoxyethylene ether 8%, C
8 ~ 10aliphatic alcohols 0.4%, polyvinyl alcohol 0.8%, ethylene glycol 5%, deionized water add to 100%, the obtained 15% isoxazole humulone fluroxypyr microemulsion of mixing.
Embodiment 1130% isoxazole humulone fluroxypyr microemulsion
Isoxazole humulone 15%, fluroxypyr 15%, NOP 15%, fatty alcohol-polyoxyethylene ether 5%, thermally coupled distillation columns 8%, melon glue 0.5%, glycerine 3%, deionized water add to 100%, the obtained 30% isoxazole humulone fluroxypyr microemulsion of mixing.
Embodiment 1238% isoxazole humulone fluroxypyr microemulsion
Isoxazole humulone 20%, fluroxypyr 18%, acetone 14%, phenyl phenol polyoxyethyl ether 3%, sorbitan monostearate 4%, carboxymethyl cellulose 0.3%, glycerine 2%, deionized water add to 100%, the obtained 38% isoxazole humulone fluroxypyr microemulsion of mixing.
Embodiment 1360% isoxazole humulone fluroxypyr oil-suspending agent
Isoxazole humulone 20%, fluroxypyr 40%, ester polyoxyethylene are phonetic 8%, aryl phenol polyoxyethylene succinate sulfonate 3%, C
8 ~ 10aliphatic alcohols agent 0.2%, polyvinylpyrrolidone 2%, castor oil polyoxyethylene ether 6%, vegetable oil add to 100%, the obtained 60% isoxazole humulone fluroxypyr oil-suspending agent of mixing.
Embodiment 1440% isoxazole humulone fluroxypyr oil-suspending agent
Isoxazole humulone 20%, fluroxypyr 20%, sldium lauryl sulfate 8%, tea are withered 5%, capric acid 0.3%, sodium phosphate trimer 1.5%, vegetable oil add to 100%, obtained 40% isoxazole humulone fluroxypyr oil-suspending agent.
Embodiment 1525% isoxazole humulone fluroxypyr oil-suspending agent
Isoxazole humulone 20%, fluroxypyr 5%, SDS 10%, pull open powder 5%, silicone oil 0.5%, methylcellulose 0.8%, vegetable oil add to 100%, obtained 25% isoxazole humulone fluroxypyr oil-suspending agent.
Embodiment 1650% isoxazole humulone fluroxypyr suspension emulsion
Isoxazole humulone 20%, fluroxypyr 30%, octylphenol polyethylene oxyethylene group ether sulfate 8%, polyoxyethylene carboxylate 4%, sorbitan monostearate 5%, xanthans 3%, propane diols 7%, water adds to 100%, and mixing i.e. obtained 50% isoxazole humulone fluroxypyr suspension emulsion.
Embodiment 1740% isoxazole humulone fluroxypyr suspension emulsion
Isoxazole humulone 10%, fluroxypyr 30%, alkylbenzenesulfonate 3%, sodium lignin sulfonate 5%, pull open powder 2%, thermally coupled distillation columns 6%, polyvinyl alcohol 2%, water adds to 100%, the obtained 40% isoxazole humulone fluroxypyr suspension emulsion of mixing.
Embodiment 1830% isoxazole humulone fluroxypyr suspension emulsion
Isoxazole humulone 10%, fluroxypyr 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5%, aliphatic alcohol polyethenoxy base ether 6%, soapberry powder 4%, ethylene oxide-propylene oxide block copolymer 5%, gelatin 4%, water add to 100%, the obtained 30% isoxazole humulone fluroxypyr suspension emulsion of mixing.
Application Example three: isoxazole humulone and fluroxypyr control of maize annual gramineous weed field control effectiveness test
The table 2 isoxazole humulone fluroxypyr control of maize field annual gramineous weed test of pesticide effectiveness
Pesticide control: isoxazole humulone and fluroxypyr complex composition, researched and developed by Shaanxi Meibang Pesticide Co., Ltd. and provide;
Contrast medicament: 70% isoxazole humulone water dispersible granules (commercial);
200 grams per liter fluroxypyr missible oil (commercial);
If artificial weeding and clear water control treatment.
Using method: every mu be watered 30 liters after evenly cauline leaf sparge in each community.
Spraying time: in the corn 2-4 leaf phase, the field annual gramineous weed 1-3 leaf phase, carries out cauline leaf and sprays 1 time.
Investigation method and drug effect calculate
Investigation weeds object is: the grassy weeds such as green foxtail, lady's-grass, eleusine indica, investigates latter 20 days, 40 days to the strain preventive effect of weeds and the fresh weight preventive effect of 40 days.
Visual test medicament occurs without poisoning corn.
The table 2 isoxazole humulone fluroxypyr built composition for preventing and controlling corn field grassy weed test of pesticide effectiveness
As shown in Table 2 isoxazole humulone and fluroxypyr composite to grassy weed as: green foxtail, lady's-grass, eleusine indica etc. have good control efficiency, preventive effect is better than single dose preventive effect, with contrast medicament, artificial weeding, relative to clear water control treatment rate of growth between significant difference, and there is good quick-acting and lasting effect, in this experimental drug scope, to corn safety.Application Example four: isoxazole humulone and fluroxypyr control of maize annual broadleaf weed field control effectiveness test
The table 3 isoxazole humulone fluroxypyr control of maize field broad leaved weed test of pesticide effectiveness
Pesticide control: isoxazole humulone and fluroxypyr complex composition, researched and developed by Shaanxi Meibang Pesticide Co., Ltd. and provide;
Contrast medicament: 70% isoxazole humulone water dispersible granules (commercial);
200 grams per liter fluroxypyr missible oil (commercial);
If artificial weeding and clear water control treatment.
Using method: every mu be watered 30 liters after evenly cauline leaf sparge in each community.
Spraying time: in the corn 2-4 leaf phase, the field annual broadleaf weed 1-3 leaf phase, carries out cauline leaf and sprays 1 time.
Investigation weeds object is: the broad leaved weeds such as Amaranthus retroflexus, lamb's-quarters, sky japanese bearbind, investigates latter 20 days, 40 days to the strain preventive effect of weeds and the fresh weight preventive effect of 40 days.
Visual test medicament occurs without poisoning corn.
The table 3 isoxazole humulone fluroxypyr built composition for preventing and controlling corn field annual broadleaf weed test of pesticide effectiveness
Isoxazole humulone and fluroxypyr is composite has good control efficiency to broad leaved weeds such as Amaranthus retroflexus, lamb's-quarters, sky japanese bearbinds as shown in Table 3, preventive effect is better than single dose preventive effect, with contrast medicament, artificial weeding, relative to clear water control treatment rate of growth between significant difference, and there is good quick-acting and lasting effect, in this experimental drug scope, to corn safety.
Claims (4)
1. one kind contains the Herbicidal combinations of isoxazole humulone and fluroxypyr, it is characterized in that: Herbicidal combinations effective active composition is made up of isoxazole humulone and fluroxypyr, adjuncts Balance, wherein containing isoxazole humulone 1 ~ 70%, the metering of fluroxypyr 1 ~ 70% ， isoxazole humulone and fluroxypyr is 15:60,15:110,15:160,15:210,45:60,45:110,45:160,45:210,75:60,75:110,75:160,75:210,105:60,105:110,105:160.
2. the Herbicidal combinations of Han isoxazole humulone according to claim 1 and fluroxypyr, is characterized in that: Herbicidal combinations makes wetting powder, water dispersible granules, oil-suspending agent, suspension emulsion, microemulsion, aqueous emulsion.
3. the Herbicidal combinations of Han isoxazole humulone according to any one of claim 1 to 2 and fluroxypyr is used for the application of control of maize field broad leaved weed and grassy weed.
4. application according to claim 3, is characterized in that, described weeds are Amaranthus retroflexus, lamb's-quarters, sky japanese bearbind, black nightshade, three-coloured amaranth, piemarker, iron amaranth, kitchen garden, green foxtail, lady's-grass, eleusine indica.
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| CN104255762B (en) * | 2014-09-11 | 2016-08-24 | 河南中天恒信生物化学科技有限公司 | Herbicidal combinations and application thereof containing isoxazole oxadiazon, halosulfuronmethyl and fluroxypyr |
| CN106577717A (en) * | 2016-11-30 | 2017-04-26 | 广东中迅农科股份有限公司 | Corn field post-seedling weeding composition |
| CN106689171A (en) * | 2016-12-11 | 2017-05-24 | 广东中迅农科股份有限公司 | Weeding composition containing isoxaflutole |
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| CN101066056A (en) * | 2007-06-06 | 2007-11-07 | 赵邦斌 | Re-compounded herbicide of nicosulfuron and fluroxypyr |
| CN101731224A (en) * | 2008-11-10 | 2010-06-16 | 王洲 | Composite weedicide |
| CN102228033A (en) * | 2011-05-27 | 2011-11-02 | 永农生物科学有限公司 | Weed controlling compound pesticide composition and preparation method thereof |
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| CN101066056A (en) * | 2007-06-06 | 2007-11-07 | 赵邦斌 | Re-compounded herbicide of nicosulfuron and fluroxypyr |
| CN101731224A (en) * | 2008-11-10 | 2010-06-16 | 王洲 | Composite weedicide |
| CN102228033A (en) * | 2011-05-27 | 2011-11-02 | 永农生物科学有限公司 | Weed controlling compound pesticide composition and preparation method thereof |
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Effective date of registration: 20170420 Address after: 414000 Hunan Province, Yueyang economic and Technological Development Zone Agricultural seed market building 4 baling Road No. 11 Patentee after: Hunan Xinsheng HuaFeng seeds Co. Ltd. Address before: 715500 Industrial Park, Pucheng County, Shaanxi Province, Shaanxi, China Patentee before: Shaanxi Meibang Pesticide Co., Ltd. |
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