CN102342287A - Sterilization composition containing fluopicolide and polyoxin - Google Patents
Sterilization composition containing fluopicolide and polyoxin Download PDFInfo
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- CN102342287A CN102342287A CN2011103499766A CN201110349976A CN102342287A CN 102342287 A CN102342287 A CN 102342287A CN 2011103499766 A CN2011103499766 A CN 2011103499766A CN 201110349976 A CN201110349976 A CN 201110349976A CN 102342287 A CN102342287 A CN 102342287A
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- bacterium amine
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Abstract
The invention relates to a sterilization composition containing fluopicolide and polyoxin, wherein the sterilization composition contains active ingredients, namely fluopicolide and polyoxin; the weight ratio of the fluopicolide to the polyoxin is 1:60 to 60:1; auxiliaries are added into the active ingredients so that the composition can be prepared into wettable powder, water dispersible granules, suspending agents, suspension emulsion agents, emulsion in water and microemulsion and used for preventing and curing downy mildew, early blight, late blight, Alternaria mali Roberts, dampingoff, scab, powdery mildew, leaf spot, gray mold, leaf mold and droop; and the composition has the functions of being wide in sterilization spectrum, low in pesticide use amount, resistant in rain wash and obvious in synergia.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of bactericidal composition on crop pest of a kind of fluorine-containing pyrrole bacterium amine and polyoxin.
Technical background
Fluorine pyrrole bacterium amine, English name: fluopicolide, molecular formula: C
14H
8Cl
3F
3N
2O, chemical name: 2,6-two chloro-N-[(3-chloro-5-trifluoromethyl-2-pyridine radicals) methyl] benzamide.Fluorine pyrrole bacterium amine protectiveness is good, permeability is strong, and the true guiding principle fungus diseases of oomycetes is had higher biologically active, has good control efficiency.Can conduct from leaves of plants basal orientation blade tip direction.To protecting blade not to be subjected to infection process after the young shoot processing.Can also distribute from root along the plant xylem to whole strain crop, but can not conduct along phloem.
This product has good system's conductivity and stronger thin layer penetration power, and each main form of pathogen is all had good inhibitory effect, can provide comprehensively and lasting protection for young leaves, stem, stem tuber, young fruit.Since medicament can be through the blade face fast Absorption, so resistance of rainwater washing against, for vegetables diseases prevention in rainy season provides reliable guarantee.
Polyoxin (polyoxin), molecular formula: C
17H
25N
5O
14, chemical name: peptide pyrimidine nucleoside.The broad-spectrum antibiotics class; Inhale conduction in having preferably, its mechanism of action is to disturb the chitinous biosynthesis of bacterial cell wall, and germ tube is with after mycelium contacts medicament; Expand the part; Break, overflow cell inclusion, and can not normal development; Cause death; Suppress germ in addition and produce spore and scab expansion effect, this medicine does not have toxicity to animal, and plant is not had poisoning.Main controlling object has wheat powdery mildew, Alternaria alternate, cucumber downy mildew, cucurbits fusarium wilt, genseng black spot, rice sheath blight disease, alternaria leaf spot of apple, strawberry and grape grey mould, multiple fungal diseases such as forest spike top and pears black spot.
In the real process of agricultural production, preventing and treating the problem that disease is easy to generate most is the drug-fast generation of germ.The different cultivars composition carries out composite, is to prevent and treat the very common method of resistance germ.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is an additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor research, find fluorine pyrrole bacterium amine and polyoxin is composite each other, good synergistic effect is arranged within the specific limits, and relevant composite about fluorine pyrrole bacterium amine and polyoxin, do not see relevant report at present at home and abroad as yet.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good fluorine-containing pyrrole bacterium amine and the bactericidal composition of polyoxin.
The present invention realizes through following technical scheme:
The bactericidal composition of a kind of fluorine-containing pyrrole bacterium amine and polyoxin is characterized in that: the weight ratio of effective active composition fluorine pyrrole bacterium amine and polyoxin is 1: 60～60: 1.
The bactericidal composition of described a kind of fluorine-containing pyrrole bacterium amine and polyoxin, it is characterized in that: the weight ratio of fluorine pyrrole bacterium amine and polyoxin is 1: 40～40: 1, is preferably 30: 1～1: 30.
The bactericidal composition of described a kind of fluorine-containing pyrrole bacterium amine and polyoxin is characterized in that: the weight ratio of fluorine pyrrole bacterium amine and polyoxin be preferably 1: 10 in 1: 20～10: 1～5: 1, more preferably 1: 5～2.5: 1.
The bactericidal composition of described fluorine-containing pyrrole bacterium amine and polyoxin is processed wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
The bactericidal composition of described fluorine-containing pyrrole bacterium amine and polyoxin, the disease that is used to prevent and treat grass family class crop, vegetables, fruit tree.
Described bactericidal composition is mainly used in plant diseases such as preventing and treating downy mildew, early blight, late blight, spot defoliation, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt.
Amount of application when the content of active component depends on independent use in the present composition also depends on the mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target fungi.Usually active weight percentage is 0.5%～90% of a gross weight in the composition, and preferable is 5%～85%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1%～70% active substance by weight, preferably is 5%～50%.
At least contain a kind of surfactant in the bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5%～30% of a total formulation weight amount, and surplus is a liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from dispersant, wetting agent, thickener or the defoamer one or more.According to different dosage form, can also contain stabilizing agent known in those skilled in the art, antifreeze etc. in the preparation.
Bactericidal composition of the present invention can be processed into acceptable forms on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
Composition is processed wetting powder and is comprised following constituent content: fluorine pyrrole bacterium amine 0.5～60%, polyoxin 0.5～60%, dispersant 5～10%, wetting agent 2～10%, filler surplus.
The former medicine of fluorine pyrrole bacterium amine, the former medicine of polyoxin, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into the wetting powder product of the present composition.
Composition is processed water dispersible granules and is comprised following constituent content: fluorine pyrrole bacterium amine 0.5～60%, polyoxin 0.5～60%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler surplus.
The former medicine of fluorine pyrrole bacterium amine, the former medicine of polyoxin, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, add other auxiliary agents such as binding agent again, obtain the materials of granulating.It is interior through after granulation and the drying to expect that article are quantitatively sent the fluidized bed granulation dryer to, makes the water dispersible granules product of the present composition.
When processing suspending agent, composition comprises following constituent content: fluorine pyrrole bacterium amine 0.5～40%; Polyoxin 0.5～40%; Dispersant 2～10%; Wetting agent 2～10%; Defoamer 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%; Stabilizing agent 0.05～3%, deionized water adds to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear; Add the former medicine of fluorine pyrrole bacterium amine, the former medicine of polyoxin; Ball milling is 2～3 hours in ball mill; Make diameter of particle all below 5 μ m, make the suspending agent product of the present composition.
Comprise following constituent content when composition is processed suspension emulsion: fluorine pyrrole bacterium amine 0.5%～40%, polyoxin 0.5%～40%, emulsifier 2%～10%, dispersant 2%～10%, defoamer 0.1%～2%, thickener 0.1%～2%, antifreeze 0.1%～8%, stabilizing agent 0.05%～3%, water add to 100%.
Dispersant, defoamer, thickener, antifreeze, stabilizing agent in the above-mentioned prescription are mixed through high speed shear; Add the former medicine of fluorine pyrrole bacterium amine; Ball milling is 2～3 hours in ball mill; Make diameter of particle all below 5 μ m; Make fluorine pyrrole bacterium amine suspending agent; Then with the former medicine of polyoxin, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make the suspension emulsion product of the present composition.
When processing aqueous emulsion, composition comprises following constituent content: fluorine pyrrole bacterium amine 0.5%～40%, polyoxin 0.5%～40%, solvent 2%～10%, emulsifier 2%～12%; Dispersant 2%～10%, co-emulsifier 0.2%～5%, antifreeze 0.1%～8%, defoamer 0.1%～2%, thickener 0.1%～2%, deionized water adds to 100%.
Be dissolved into even oil phase with having former medicine, solvent, emulsifier, co-emulsifier to add together in the above-mentioned prescription, making.With deionized water, dispersant, antifreeze,, defoamer, thickener mix, and becomes the homogeneous water, under high-speed stirred, water slowly splashed into oil phase, processes the finely disseminated aqueous emulsion product of the present composition.
When processing microemulsion, composition comprises following constituent content: fluorine pyrrole bacterium amine 0.5%～40%, polyoxin 0.5%～40%, emulsifier 5%～15%; Solvent 2%～10%, antifreeze 5%～10%, stabilizing agent 0.5%～3%, deionized water adds to 100%.
Above-mentioned prescription Central Plains medicine, solvent, emulsifier are added in the mother liquor modulation kettle; Make even oil phase; Deionized water, antifreeze etc. is mixed injection product modulation kettle,, mix and process the transparent or semitransparent microemulsion product of the present composition through high-speed stirred.
Beneficial effect of the present invention: (1) present composition effective active composition fluorine pyrrole bacterium amine and polyoxin belong to the bactericide of different effects mechanism, and each other composite have a good synergistic effect; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little; (3) organic solvent usage amount of the present invention is little, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has enlarged fungicidal spectrum, and crop downy mildew, early blight, late blight, spot defoliation, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt are all had special efficacy.
Embodiment
The present invention is illustrated further that the percentage among the embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.
Application implementation example one
Instance 1 10% fluorine pyrrole bacterium amine polyoxin wetting powder
Fluorine pyrrole bacterium amine 2%, polyoxin 8%, lignosulfonates 8%, tea are withered 4%, attapulgite adds to 100%, and mixture carries out comminution by gas stream, makes 10% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 2 15% fluorine pyrrole bacterium amine polyoxin wetting powders
Fluorine pyrrole bacterium amine 5%, polyoxin 10%, ester polyoxyethylene are phonetic 6%, lauryl sodium sulfate 5%, kaolin add to 100%, and mixture carries out comminution by gas stream, makes 15% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 3 15% fluorine pyrrole bacterium amine polyoxin wetting powders
Fluorine pyrrole bacterium amine 12%, polyoxin 3%, naphthalene sulfonic acid-formaldehyde condensation product 7%, wetting and penetrating agent F 6%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 15% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 4 24% fluorine pyrrole bacterium amine polyoxin wetting powders
Fluorine pyrrole bacterium amine 16%, polyoxin 8%, alkylnaphthalene sulfonate 8%, neopelex 7%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 24% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 5 30% fluorine pyrrole bacterium amine polyoxin wetting powders
Fluorine pyrrole bacterium amine 15%, polyoxin 15%, polyoxyethylene carboxylate 8%, sldium lauryl sulfate 6%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 30% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 6 61% fluorine pyrrole bacterium amine polyoxin wetting powders
Fluorine pyrrole bacterium amine 60%, polyoxin 1%, polycarboxylate 7%, soapberry powder 4%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 61% fluorine pyrrole bacterium amine polyoxin wetting powder.
Instance 7 3% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 2%, polyoxin 1%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 9%, Nekal BX 7%, ammonium sulfate 2%, diatomite add to 100%, the mixed 3% fluorine pyrrole bacterium amine polyoxin water dispersible granules that gets.
Instance 8 4.5% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 1.5%, polyoxin 3%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, spaonin powder 3%, sodium carbonate 2.8%, bentonite add to 100%, the mixed 4.5% fluorine pyrrole bacterium amine polyoxin water dispersible granules that gets.
Instance 9 9% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 1%, polyoxin 8%, lignosulfonates 7%, wetting and penetrating agent F5%, urea 2.1%, kaolin add to 100%, the mixed 9% fluorine pyrrole bacterium amine polyoxin water dispersible granules that gets.
Instance 10 16% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 6%, polyoxin 10%, aryl phenol polyoxyethylene succinate sulfonate 9%, lauryl sodium sulfate 7%, aluminium chloride 3%, attapulgite add to 100%, the mixed 16% fluorine pyrrole bacterium amine polyoxin water dispersible granules that gets.
Instance 11 25% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 5%, polyoxin 20%, alkyl benzene sulfonate calcium salt 6%, neopelex 5%, urea 2.8%, kaolin add to 100%, the mixed 25% fluorine pyrrole bacterium amine polyoxin water dispersible granules that gets.
Instance 12 50% fluorine pyrrole bacterium amine polyoxin water dispersible granules
Fluorine pyrrole bacterium amine 40%, polyoxin 10%, aliphatic amine polyoxyethylene are phonetic 7%, lauryl sodium sulfate 6%, bentonite add to 100%, mixed 50% fluorine pyrrole bacterium amine polyoxin water dispersible granules.
Instance 13 10% fluorine pyrrole bacterium amine polyoxin suspending agents
Fluorine pyrrole bacterium amine 8%, polyoxin 2%, ester polyoxyethylene are phonetic 6%, Nekal BX 5%, silicone 0.3%, xanthans 0.7%, glycerine 2%, deionized water add to 100%, mixed 10% fluorine pyrrole bacterium amine polyoxin suspending agent.
Instance 14 10.5% fluorine pyrrole bacterium amine polyoxin suspending agents
Fluorine pyrrole bacterium amine 0.5%, polyoxin 10%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, spaonin powder 4%, silicone oil 0.5%, Magnesiumaluminumsilicate 1.2%, propane diols 3%, deionized water add to 100%, the mixed 10.5% fluorine pyrrole bacterium amine polyoxin suspending agent that gets.
Instance 15 12% fluorine pyrrole bacterium amine polyoxin suspending agents
The phonetic formaldehyde condensation products sulphate of fluorine pyrrole bacterium amine 4%, polyoxin 8%, alkylphenol-polyethenoxy 6%, sldium lauryl sulfate 4%, C
8～10Aliphatic alcohols 0.1%, methylcellulose 0.7%, triethylene glycol 2%, deionized water add to 100%, the mixed 12% fluorine pyrrole bacterium amine polyoxin suspending agent that gets.
Instance 16 6% fluorine pyrrole bacterium amine polyoxin suspension emulsions
Fluorine pyrrole bacterium amine 3%, polyoxin 3%, polycarboxylate 8%, soapberry powder 3%, gum Arabic 1%, phenyl phenol polyoxy ethyl ether phosphate 7%, ethylene glycol 2.6%, silicone compound 0.3%, water add to 100%, through the mixed 6% fluorine pyrrole bacterium amine polyoxin suspension emulsion that gets.
Instance 17 10% fluorine pyrrole bacterium amine polyoxin suspension emulsions
Fluorine pyrrole bacterium amine 8%, polyoxin 2%, ester polyoxyethylene are phonetic 7%, lauryl sodium sulfate 4%, hydroxyethylcellulose 0.8%, fatty alcohol-polyoxyethylene ether 8%, polyethylene glycol 2.6%, silicone 0.2%, water add to 100%, through mixed 10% fluorine pyrrole bacterium amine polyoxin suspension emulsion.
Instance 18 25% fluorine pyrrole bacterium amine polyoxin suspension emulsions
Fluorine pyrrole bacterium amine 20%, polyoxin 5%, alkyl benzene sulfonate calcium salt 6%; Neopelex 5%, polyvinyl alcohol 1.1%, propane diols 3%, silicone oil 0.5%, styrene polyoxyethylene ether ammonium sulfate salt 8%, water add to 100%, the mixed 25% fluorine pyrrole bacterium amine polyoxin suspension emulsion that gets.
Instance 19 5% fluorine pyrrole bacterium amine polyoxin aqueous emulsions
Fluorine pyrrole bacterium amine 1%, polyoxin 4%, N, dinethylformamide 4%, vegetable oil 4%, alkyl benzene calcium sulfonate 7%, ethylene glycol 2.4%, silicone 0.4%, deionized water adds to 100%, the mixed 5% fluorine pyrrole bacterium amine polyoxin aqueous emulsion that gets.
Instance 20 18% fluorine pyrrole bacterium amine polyoxin aqueous emulsions
Fluorine pyrrole bacterium amine 6%, polyoxin 12%, ethylene glycol monomethyl ether 7%, N-pyrrolidones 3%, polyoxyethylene nonylphenol ether phosphate 6%, diethylene glycol (DEG) 2.8%, C
8～10Aliphatic alcohols 0.3%, deionized water adds to 100%, through the mixed 18% fluorine pyrrole bacterium amine polyoxin aqueous emulsion that gets.
Instance 21 20% fluorine pyrrole bacterium amine polyoxin aqueous emulsions
Fluorine pyrrole bacterium amine 16%, polyoxin 4%, cyclohexanone 5%, toluene 4%, castor oil polyoxyethylene ether 8%, polyethylene glycol 2.6%, silicone oil 0.2%, deionized water adds to 100%, through the mixed 20% fluorine pyrrole bacterium amine polyoxin aqueous emulsion that gets.
Instance 22 6% fluorine pyrrole bacterium amine polyoxin microemulsions
Fluorine pyrrole bacterium amine 2%, polyoxin 4%, ethyl acetate 3%, acetone 5%, sorbitan fatty acid ester APEO 5%, propane diols 3%, C
10～20Saturated fat acids 0.1%, deionized water adds to 100%, the mixed 6% fluorine pyrrole bacterium amine polyoxin microemulsion that gets.
Instance 23 12% fluorine pyrrole bacterium amine polyoxin microemulsions
Fluorine pyrrole bacterium amine 10%, polyoxin 2%, propyl alcohol 5%, vegetable oil 4%, ethylene oxide-propylene oxide block copolymer 6%, triethylene glycol 2.1%, silicone oil 0.2%, deionized water adds to 100%, through the mixed 12% fluorine pyrrole bacterium amine polyoxin microemulsion that gets.
Instance 24 20.5% fluorine pyrrole bacterium amine polyoxin microemulsions
Fluorine pyrrole bacterium amine 0.5%, polyoxin 20%, toluene 6%, 3-methyl cyclohexanol ketenes 3%, polyoxyethylene nonylphenol ether 7%, glycerine 2.8%, silicone compound 0.4%; Deionized water adds to 100%, through the mixed 20.5% fluorine pyrrole bacterium amine polyoxin microemulsion that gets.
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:
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Fluorine pyrrole bacterium amine and polyoxin are composite to the crop pest Toxicity Determination.
After the effective inhibition concentration scope of each medicament was confirmed in prerun, medicament was established 5 dosage respectively by active constituent content and is handled, and established the clear water contrast.Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament the crop germ.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.
Clean amount of growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates the EC of every kind of medicament thus
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect.Computing formula is following:
Wherein: a, b are respectively active component fluorine pyrrole bacterium amine and polyoxin shared ratio in combination;
A is a fluorine pyrrole bacterium amine;
B is a polyoxin.
Practice example two:
Fluorine pyrrole bacterium amine and polyoxin are composite to the cucumber downy mildew Toxicity Determination.
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
Experimental scheme: effective inhibition concentration scope of confirming fluorine pyrrole bacterium amine, the former medicine of polyoxin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 1 fluorine pyrrole bacterium amine, the composite toxicity test analysis of results table of polyoxin to cucumber downy mildew
Can know that by table 1 fluorine pyrrole bacterium amine, polyoxin are to the EC of cucumber downy mildew
50Be respectively 1.65mg/L and 2.07mg/L.Fluorine pyrrole bacterium amine and polyoxin proportioning were at 60: 1 to 1: 60 o'clock; Synergy ratio SR is all greater than 1.5; Illustrating that fluorine pyrrole bacterium amine and polyoxin were mixed in the scope at 60: 1 to 1: 60 all shows synergistic effect; Especially when the two proportioning during at 4: 1 to 1: 8; Synergistic effect is more obviously outstanding; Wherein synergy ratio SR is maximum when fluorine pyrrole bacterium amine and polyoxin proportioning are 1: 2; Synergistic effect is the most obvious; Test is found; When the proportioning of fluorine pyrrole bacterium amine and polyoxin at 10: 1; 9: 1; 8: 1; 7: 1; 6: 1; 5: 1; 4: 1; 3: 1; 2: 1; 1: 1; 1: 2; 1: 3; 1: 4; 1: 5; 1: 6; 1: 7; 1: 8; 1: 9; 1: 10; 1: 11; 1: 12; 1: 13; 1: 14; 1: 15; 1: 16; 1: 17; 1: 18; 1: 19; 1: 20 o'clock to downy mildew; Early blight; Late blight; Spot defoliation; Damping off; Shot hole; Powdery mildew; Leaf spot; Gray mold; Leaf mold; Fusarium wilt; Synergistic effect is obvious, and synergy ratio is all greater than 1.5.
Application implementation example trifluoro pyrrole bacterium amine and the polyoxin and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is in Jingyang County, Xianyang, Shanxi province city, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 100 grams per liter fluorine pyrrole bacterium amine suspending agents (autogamy), 10% polyoxin wetting powder (commercial).
The investigation cucumber downy mildew state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 2 fluorine pyrrole bacterium amine, polyoxin and the composite control cucumber downy mildew test of pesticide effectiveness thereof
Can find out that by table 2 can effectively prevent and treat cucumber downy mildew after fluorine pyrrole bacterium amine and polyoxin are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects; Simultaneously to the preventive effect of the common diseases of crop such as early blight, late blight, spot defoliation, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt all more than 95%; Be better than single agent preventive effect, synergistic effect is obvious.
Application implementation example tetrafluoro pyrrole bacterium amine and the polyoxin and the composite control tomato late blight test of pesticide effectiveness thereof
This experimental establishment is the Weinan City Linwei District in Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 100 grams per liter fluorine pyrrole bacterium amine suspending agents (autogamy), 10% polyoxin wetting powder (commercial).
The investigation tomato late blight state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 3 fluorine pyrrole bacterium amine, polyoxin and the composite control tomato late blight test of pesticide effectiveness thereof
Can find out that by table 3 can effectively prevent and treat tomato late blight after fluorine pyrrole bacterium amine and polyoxin are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects; Simultaneously to the preventive effect of diseases such as downy mildew, early blight, spot defoliation, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt all more than 95%; Preventive effect is better than contrasting medicament, and synergistic effect is obvious.
Application implementation example five fluorine pyrrole bacterium amine and polyoxin and the composite control capsicum damping off test of pesticide effectiveness thereof
This experimental establishment is the Puyang Qingfeng County in Henan Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 100 grams per liter fluorine pyrrole bacterium amine suspending agents (autogamy), 10% polyoxin wetting powder (commercial).
The investigation capsicum damping off state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 10 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 4 fluorine pyrrole bacterium amine, polyoxin and the composite control capsicum damping off test of pesticide effectiveness thereof
Can find out that by table 4 can effectively prevent and treat the capsicum damping off after fluorine pyrrole bacterium amine and polyoxin are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects; Simultaneously to the preventive effect of diseases such as downy mildew, early blight, late blight, spot defoliation, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt all more than 95%; Preventive effect is better than contrasting medicament, and synergistic effect is obvious.
Application implementation example hexafluoro pyrrole bacterium amine and the polyoxin and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This experimental establishment is in Liquan County, Xianyang, Shanxi province city, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 100 grams per liter fluorine pyrrole bacterium amine suspending agents (autogamy), 10% polyoxin wetting powder (commercial).
The investigation alternaria leaf spot of apple state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 10 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 5 fluorine pyrrole bacterium amine, polyoxin and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
Can find out that by table 5 can effectively prevent and treat alternaria leaf spot of apple after fluorine pyrrole bacterium amine and polyoxin are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects; Simultaneously to the preventive effect of diseases such as downy mildew, early blight, late blight, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt all more than 95%; Preventive effect is better than contrasting medicament, and synergistic effect is obvious.
Claims (6)
1. the bactericidal composition of fluorine-containing pyrrole bacterium amine and polyoxin, it is characterized in that: the weight ratio of effective active composition fluorine pyrrole bacterium amine and polyoxin is 1: 60～60: 1.
2. the bactericidal composition of a kind of fluorine-containing pyrrole bacterium amine according to claim 1 and polyoxin, it is characterized in that: the weight ratio of fluorine pyrrole bacterium amine and polyoxin is 1: 40～40: 1.
3. the bactericidal composition of a kind of fluorine-containing pyrrole bacterium amine according to claim 2 and polyoxin, it is characterized in that: the weight ratio of fluorine pyrrole bacterium amine and polyoxin is 1: 20～10: 1.
4. the bactericidal composition of a kind of fluorine-containing pyrrole bacterium amine according to claim 1 and polyoxin, it is characterized in that: the formulation of microbicide compositions is selected from: wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
5. the bactericidal composition of a kind of fluorine-containing pyrrole bacterium amine according to claim 1 and polyoxin is used to prevent and treat the application of disease on grass family class crop, vegetables, the fruit tree.
6. application according to claim 5 is characterized in that: described disease comprises downy mildew, early blight, late blight, spot defoliation, damping off, shot hole, powdery mildew, leaf spot, gray mold, leaf mold, fusarium wilt.
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|---|---|---|---|
| CN2011103499766A CN102342287A (en) | 2011-11-08 | 2011-11-08 | Sterilization composition containing fluopicolide and polyoxin |
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| CN104381266A (en) * | 2014-09-25 | 2015-03-04 | 北京燕化永乐生物科技股份有限公司 | Sterilization composition |
| CN105340926A (en) * | 2015-12-11 | 2016-02-24 | 吉林农业大学 | Bactericidal composition containing mandipropamid and polyoxins and application of bactericidal composition |
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| CN105340926A (en) * | 2015-12-11 | 2016-02-24 | 吉林农业大学 | Bactericidal composition containing mandipropamid and polyoxins and application of bactericidal composition |
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