CN102771480B - Bactericidal composition containing cuppric nonyl phenolsulfonate and triazole fungicide - Google Patents
Bactericidal composition containing cuppric nonyl phenolsulfonate and triazole fungicide Download PDFInfo
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- CN102771480B CN102771480B CN201210264840XA CN201210264840A CN102771480B CN 102771480 B CN102771480 B CN 102771480B CN 201210264840X A CN201210264840X A CN 201210264840XA CN 201210264840 A CN201210264840 A CN 201210264840A CN 102771480 B CN102771480 B CN 102771480B
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Abstract
The invention discloses a bactericidal composition containing cuppric nonyl phenolsulfonate and triazole fungicide. The bactericidal composition comprises a first active ingredient cuppric nonyl phenolsulfonate and a second active ingredient triazole fungicide selected from hexaconazole, tebuconazole, difenoconazole and epoxiconazole, wherein the weight ratio of the first active ingredient to the second active ingredient is 1:10-15: 1 and preferably is 1:5-10:1. The bactericidal composition can be prepared into missible oil, microemulsion and suspension emulsion which are allowable agriculturally. The bactericidal composition is reasonable in ingredients, good in bactericidal effect and low in pesticide cost, and the activity and the bactericidal effect are not produced by simple superposition of activity of the ingredients. Compared with existing single preparations, except the remarkable bactericidal effect, the bactericidal composition has remarkable synergistic effect, is free of pollution to crops and good in safety, meets the safety requirements for pesticide preparations and has remarkable prevention and control effect on false smut and bacterial stripe of rice.
Description
Technical field
The present invention relates to a kind of bactericidal composition, particularly a kind of nonylphenolsulfonate copper is as the first active component, select oneself the triazole bactericidal agent of azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole as the bactericidal composition of the second active component, belong to technical field of compounded pesticide.
Background technology
Nonylphenolsulfonate copper, English common name: cuppric nonyl phenolsul fonate, chemical name: nonylphenol sulfonic acid copper.Nonylphenolsulfonate copper is novel organic copper bactericide, belong to the broad spectrum agricultural bactericide, the downy mildew of the crops such as vegetables, fruit tree, flowers, epidemic disease, anthracnose, powdery mildew, soft rot, bacterial angular leaf spot etc. are had excellent control efficiency, plant virus is also had certain inhibitory action.The product of present domestic registration is 30% nonylphenolsulfonate copper microemulsion, belongs to single dose, has used for many years, exists resistance risk.
Own azoles alcohol, English common name hexaconazole, chemical name: (RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)-oneself-2-alcohol.Own azoles alcohol is a kind of triazole bactericidal agent; it is sterol demethylation inhibitor; have interior suction, protection and therapeutic activity; can effectively prevent and treat disease due to sac fungi, basidiomycetes and imperfect fungus, the disease that especially Basidiomycetes and Ascomycetes is caused such as powdery mildew, rust, scab, brown spot, anthracnose etc. have excellent protection and eradicant action.
Tebuconazole, other titles: Garrick show, English common name: Tebuconazole, chemical name: (RS)-1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4 triazol-1-yl methyl) amylalcohol.Tebuconazole is a kind of efficient, wide spectrum, interior absorption triazole bactericidal agent, has protection, treats, roots out three large functions, and fungicidal spectrum is wide, the lasting period is long.Be used for seed treatment or foliage spray, multiple rust, powdery mildew, net blotch, root rot, the head blight that can effectively prevent and treat cereal crop, smut and kind pass zonate spot etc.
Difenoconazole, other titles: generation is high, the enemy withers pellet, English common name: difenoconazole, chemical name: 1-(2-(4-chlorobenzene oxygen)-2-chlorphenyl)-4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2,4-triazole.Difenoconazole has protection, treatment and systemic activity, is sterol demethylation inhibitor, suppresses the biosynthesis of cell wall sterol, stops the growth of fungi.Fungicidal spectrum is wide, and leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop.To Ascomycetes, Basidiomycetes with comprise that Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia have lasting protection and therapeutic action.
Epoxiconazole, other titles: Ou Bo, English common name: epoxiconazole, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2,4-triazol-1-yl) methyl] oxirane.Epoxiconazole is a kind of interior absorption triazole bactericidal agent, and its active component suppresses the synthetic of germ ergosterol, hinders the formation of germ cell wall, can more effectively suppress the germ fungal pathogens.The diseases such as the anthracnose on leaf spot, powdery mildew, rust and grape on the crops such as banana, green onion garlic, celery, Kidney bean, melon, asparagus, peanut, beet, white rot there is good preventive effect.
Above-mentioned 4 kinds of triazole bactericidal agents have also used for many years, the defect that exists resistance risk and bacterial disease is prevented heterodyne.The inventor finds by test, and nonylphenolsulfonate copper and triazole bactericidal agent that the mechanism of action is different are composite, have significant synergies; can significantly improve control efficiency, the minimizing dosage for the treatment of, protection; the expanding prevention spectrum, reduce cost accounting, and is high to crop safety.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and bactericidal effect is good, and drug cost is low, is difficult for developing immunity to drugs, to the agricultural bactericidal composition of crop safety.
Another object of the present invention is to provide the application of above-mentioned composition on control rice green smut, bacterial stripe.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention is to solve like this:
A) the first active component is nonylphenolsulfonate copper;
B) the second active component is the triazole bactericidal agent of azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole of selecting oneself;
The weight ratio of the first active component and the second active component is 1:10～15:1, is preferably 1:5～10:1, more preferably 1:2～5:1.
The cumulant of the first active component and the second active component is 3%～70% of described composition total weight, is preferably 5%～50%.
The preparation formulation that the bactericidal composition of nonylphenolsulfonate copper of the present invention and methoxy acrylic acid series bactericidal agent can be prepared according to the known method of those skilled in the art of the present technique is missible oil, microemulsion, suspended emulsion.
For missible oil, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.emulsifier such as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: Span60), Tween-60 #(common name: the polyoxyethylene sorbitan stearate), TX-10(common name: octyl phenol polyoxy ethene (10) ether), agriculture breast 1601#(common name: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, in agriculture breast 400# one or more, in solvent such as dimethylbenzene, toluene, solvent naphtha (S-150, S-180, S-200), toluene, methyl alcohol, dimethyl formamide, 1-METHYLPYRROLIDONE, cyclohexanone, acetone, dimethyl sulfoxide (DMSO) one or more.
Octyl phenol polyoxy ethene (10) ether), agriculture breast 1601(common name the polyoxyethylene sorbitan stearate), the TX-10(common name Span60), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name to microemulsion, spendable auxiliary agent has: emulsifier such as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name::::: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), in agriculture breast 600#, agriculture breast 400# one or more; In assistant for emulsifying agent such as methyl alcohol, isopropyl alcohol, n-butanol, ethanol one or more; Solvent such as cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200) one or more; In stabilizing agent such as triphenyl phosphite, epoxychloropropane one or more; Water is deionized water.
To suspended emulsion, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE2425(U.S. Huntsman Corporation produce, the alkyl naphthalene sulfonic acid salt) in one or more; The sorbitan monostearate APEO), agriculture breast 1601#(common name sorbitan monostearate), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name emulsifier such as Nongru-700 #(common name:::: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), triphen ethyl phenol polyoxyethylene groups ether phosphate, TERSPERSE 4894(U.S. Huntsman Corporation produce) in one or more; In wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE2500 one or more; Solvent: one or more in dimethylbenzene, toluene, cyclohexanone, acetone, ethyl acetate, solvent naphtha (S-150, S-180, S-200); In thickener such as xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; In preservative such as formaldehyde, benzoic acid, Sodium Benzoate one or more; Defoamer such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as sodium chloride one or more; In stabilizing agent such as triphenyl phosphite, epoxychloropropane, aceticanhydride one or more; Water is deionized water.
Component of the present invention is reasonable, and treatment adds protective effect, and bactericidal effect is good, and drug cost is low, and its active and bactericidal effect is not the simple superposition of each composition activity, but significant synergistic effect is arranged, and is good to crop safety, meets the security requirement of pesticidal preparations.The present invention has control efficiency preferably to rice green smut, bacterial stripe.
Embodiment
In order to prevent and treat the rice green smut in agricultural production, the inventor is with nonylphenolsulfonate copper and triazole bactericidal agent: own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole have carried out mutual composite synergy research, and concrete grammar is:
Rice false smut is adopted in test
Ustilaginoideavirens(Cooke) Tak is tested object.Former medicine is mixed with the test medicine that needs, test method is with reference to " the agricultural industry criteria NY/T1156.2-2006 of the People's Republic of China (PRC) ".At first single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different medicament combinations, the concentration setting is also different, and bacteriostasis rate is set in 5%～90% scope).If the clear water contrast, repeat 3 times.Adopt the mycelial growth rate method, the rice false smut spore liquid 3 μ L that prepare are seeded to each dull and stereotyped central authorities, put in 28 ℃ of incubators and cultivate 20d; Check colony diameter, calculate each chemicals treatment and suppress the percentage of mycelial growth that the EC of each medicament is obtained in the linear regression analysis between the probit value by inhibiting rate and the logarithm value of series concentration
50Value,, with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, estimate the activity of reagent agent to germ with this.
The co-toxicity coefficient of complex preparation (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
In order to prevent and treat the bacterial leaf streak of rice in agricultural production, the inventor is with nonylphenolsulfonate copper and triazole bactericidal agent: own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole have carried out mutual composite synergy research, and concrete grammar is:
Xanthomonas oryzae pv. oryzicola Xanthomonasoryzaepvoryzicola(Fang, Ren, Chu, Faan, Wu are adopted in test) Swings is tested object.Test method is with reference to " the agricultural industry criteria NY/T of the People's Republic of China (PRC) 1156.16-2008 ".At first single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different medicament combinations, the concentration setting is also different, bacteriostasis rate is set in 5%～90% scope), (1L NB medium contains polyprotein peptone 5g, dusty yeast 1g, beef extract 3g quantitatively to join the aseptic NB medium of 50mL, sucrose 15g, transfer to pH7.0 with the NaOH of 10mol/L) in.Bacterial classification is suspended into 10 with aqua sterilisa
7Cfu/mL concentration is processed in the NB medium and is inoculated respectively 100 μ L bacterium liquid to each, is placed in shaken cultivation (120rpm) under 28 ℃～30 ℃ conditions.And establish the processing that only contains solvent and surfactant and do not contain effective composition and make blank, repeat 4 times.Adopt the turbidity method: measure respectively the turbidity that each is processed before starting to cultivate, when control treatment reaches exponential phase, measure and put down in writing the turbidity that each is processed.
Growth inhibition ratio=(blank turbidity value added-chemicals treatment turbidity value added)/blank turbidity value added * 100
Linear regression analysis between probit value by inhibiting rate and the logarithm value of series concentration, obtain the EC of each medicament
50Value,, with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, estimate the activity of reagent agent to germ with this.
The co-toxicity coefficient of complex preparation (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
Below in conjunction with embodiment, content of the present invention is described further.
Example of formulations 1
Take 20% nonylphenolsulfonate copper, 10% own azoles alcohol, 4% agriculture breast 500#, 2% agriculture breast 600#, 3% agriculture breast 2201#, 3% triphenyl phosphite, 20% dimethyl sulfoxide (DMSO), dimethylbenzene add to 100% weight portion.Above-mentioned raw materials, through mixing, makes the 30% own azoles alcohol of nonylphenolsulfonate copper missible oil after stirring and dissolving is complete.
Example of formulations 2
Take 12.5% nonylphenolsulfonate copper, 12.5% Tebuconazole, 4% agriculture breast 500#, 2% agriculture breast 600#, 3% agriculture breast 2201#, 10% dimethyl formamide, solvent naphtha S-180 adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes 25% nonylphenolsulfonate copper Tebuconazole missible oil after stirring and dissolving is complete.
Example of formulations 3
Take 2% nonylphenolsulfonate copper, 1% Tebuconazole, 4% agriculture breast 500#, 6% agriculture breast 600#, 8% dimethyl formamide, S-200 add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 3% nonylphenolsulfonate copper Tebuconazole missible oil after stirring and dissolving is complete.
Example of formulations 4
Take 8% nonylphenolsulfonate copper, 16% Difenoconazole, 5% agriculture breast 500#, 2% agriculture breast 400#, 3% Nongru-700 #, 15% 1-METHYLPYRROLIDONE, dimethylbenzene add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 24% nonylphenolsulfonate copper Difenoconazole missible oil after stirring and dissolving is complete.
Example of formulations 5
Take 30% nonylphenolsulfonate copper, 2% Difenoconazole, 5% agriculture breast 500#, 3% TX-10,4% agriculture breast 1601#, 10% acetone, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes 32% nonylphenolsulfonate copper Difenoconazole missible oil after stirring and dissolving is complete.
Example of formulations 6
Take 30% nonylphenolsulfonate copper, 7.5% epoxiconazole, 5% agriculture breast 500#, 3% agriculture breast 400#, 3% agriculture breast 600#, 25% cyclohexanone, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes 37.5% nonylphenolsulfonate copper epoxiconazole missible oil after stirring and dissolving is complete.
Example of formulations 7
Take 50% nonylphenolsulfonate copper, 20% own azoles alcohol, 4% Nongru-700 #, 3% agriculture breast 500#, 6% agriculture breast 600#, 3% dimethylbenzene, 3% cyclohexanone, 2% isopropyl alcohol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 70% nonylphenolsulfonate copper hexaconazole microemulsion after stirring.
Example of formulations 8
Take 30% nonylphenolsulfonate copper, 10% own azoles alcohol, 4%TX-10,5% Nongru-700 #, 6% agriculture breast 500#, 4% agriculture breast 1601#, 15% cyclohexanone, 5%N-methyl pyrrolidone, 5% n-butanol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 40% nonylphenolsulfonate copper hexaconazole microemulsion after stirring.
Example of formulations 9
Take 4% nonylphenolsulfonate copper, 40% Tebuconazole, 4%TX-10,5% Nongru-700 #, 6% agriculture breast 500#, 4% agriculture breast 1601#, 15% cyclohexanone, 5%N-methyl pyrrolidone, 5% n-butanol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 44% nonylphenolsulfonate copper tebuconazole microemulsion after stirring.
Example of formulations 10
Take 25% nonylphenolsulfonate copper, 5% Difenoconazole, 5% Nongru-700 #, 3% agriculture breast 500#, 6% agriculture breast 600#, 10% dimethylbenzene, 13% cyclohexanone, 5% ethanol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 30% nonylphenolsulfonate copper micro-emulsion of phenyl ether methyl cyclic-azole after stirring.
Example of formulations 11
Take 3% nonylphenolsulfonate copper, 2% Difenoconazole, 5% Nongru-700 #, 3% agriculture breast 500#, 6% agriculture breast 600#, 5% dimethylbenzene, 5% cyclohexanone, 5% ethanol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 5% nonylphenolsulfonate copper micro-emulsion of phenyl ether methyl cyclic-azole after stirring.
Example of formulations 12
Take 8% nonylphenolsulfonate copper, 24% epoxiconazole, 5% Nongru-700 #, 3% agriculture breast 500#, 6% agriculture breast 600#, 10% dimethylbenzene, 20% cyclohexanone, 5%N-methyl pyrrolidone, 5% ethanol, 1% epoxychloropropane, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 32% nonylphenolsulfonate copper epoxiconazole microemulsion after stirring.
Example of formulations 13
Take 10% nonylphenolsulfonate copper, 40% own azoles alcohol, 2.5% triphen ethyl phenol polyoxyethylene groups ether phosphate, 1.5% dispersing agent NNO, 4% TERSPERSE4894(U.S. Huntsman Corporation produces), 5% cyclohexanone, 5% toluene, 3.5% this dish-60#, 3.5% Tween-60 #, 1% TERSPERSE2500(U.S. Huntsman Corporation produces), 2% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 1% epoxychloropropane, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.Operating procedure: 1, in above-mentioned raw materials, nonylphenolsulfonate copper and dissolution with solvents add emulsifier to mix after fully, 2, unclassified stores is through mixing, 3, mix in material input 2 materials in 1, high speed shear is disperseed 30min, with making the 50% own azoles alcohol of nonylphenolsulfonate copper suspended emulsion after the sand mill sand milling.
Example of formulations 14
Take 30% nonylphenolsulfonate copper, 15% Tebuconazole, 1% dispersing agent NNO, 1% TERSPERSE2425(U.S. Huntsman Corporation produces), 5% cyclohexanone, 3% solvent naphtha S-180,2.5% agriculture breast 1601#, 3.5% Tween-60 #, 1% alkylphenol-polyethenoxy base ether phosphate, 2% polyvinyl alcohol, 0.2% xanthans, 5% ethylene glycol, 3% triphenyl phosphite, 0.3% Sodium Benzoate, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces), deionized water adds to 100% weight portion.Operating procedure: 1, in above-mentioned raw materials, nonylphenolsulfonate copper and dissolution with solvents add emulsifier to mix after fully, 2, unclassified stores is through mixing, 3, mix in material input 2 materials in 1, high speed shear is disperseed 30min, with making 45% nonylphenolsulfonate copper Tebuconazole suspended emulsion after the sand mill sand milling.
Example of formulations 15
Take 37.5% nonylphenolsulfonate copper, 12.5% Difenoconazole, 2% sodium lignin sulfonate, 1%TERSPERSE 2425(U.S. Huntsman Corporation produces), 5% dimethylbenzene, 5% ethyl acetate, 3% Nongru-700 #, 3.5% Tween-60 #, 2%TERSPERSE4894,1% aluminium-magnesium silicate, 0.2% xanthans, 5% propane diols, 1% epoxychloropropane, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.Operating procedure: 1, in above-mentioned raw materials, nonylphenolsulfonate copper and dissolution with solvents add emulsifier to mix after fully, 2, unclassified stores is through mixing, 3, mix in material input 2 materials in 1, high speed shear is disperseed 30min, with making 50% nonylphenolsulfonate copper difenoconazole suspending emulsion after the sand mill sand milling.
Example of formulations 16
Take 36% nonylphenolsulfonate copper, 6% epoxiconazole, 1% dispersing agent NNO, 1%TERSPERSE2425,5% ethyl acetate, 3% solvent naphtha S-180,2.5% agriculture breast 1601#, 3.5% this dish-60#, 1% phenethyl phenol polyethenoxy base ether phosphate, 2% polyvinyl alcohol, 0.2% xanthans, 3% sodium chloride, 3% triphenyl phosphite, 0.3% Sodium Benzoate, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.Operating procedure: 1, in above-mentioned raw materials, nonylphenolsulfonate copper and dissolution with solvents add emulsifier to mix after fully, 2, unclassified stores is through mixing, 3, mix in material input 2 materials in 1, high speed shear is disperseed 30min, with making 42% nonylphenolsulfonate copper epoxiconazole suspended emulsion after the sand mill sand milling.
Biological Examples 1: control rice green smut field trial
Carried out the own azoles of example of formulations 1(30% nonylphenolsulfonate copper alcohol missible oil in 2011 in Tu He township, Guanyun County, Jiangsu Province), example of formulations 2(25% nonylphenolsulfonate copper Tebuconazole missible oil), example of formulations 10(30% nonylphenolsulfonate copper micro-emulsion of phenyl ether methyl cyclic-azole), example of formulations 16(42% nonylphenolsulfonate copper epoxiconazole suspended emulsion) control rice green smut field trial, verified that these several medicaments are to the control efficiency of rice green smut and to the safety of paddy rice.Trial crops is paddy rice, and kind is for connecting round-grained rice No. 6, in ripe middle round-grained rice, controlling object is rice green smut.Experimental field false smut large generation continuously in recent years, general time disease tassel yield is up to 20%-30%, and application of organic fertilizers is more, mechanical irrigation, watery ricenursery, manually plant, 20,000 cave/mus, the conditions such as the cultivation of all residential quarters and water and fertilizer management are all consistent.Test medicine and dosage see table 3 for details.Separately establish blank, every processing 4 times repeats, every residential quarter 30 ㎡, and totally 40 residential quarters, random district group is arranged.Adopt conventional spray-on process, mu dispenser liquid 50kg, evenly be sprayed at leave dual sides.Prevent and treat 1 time at front 7 days of paddy rice cut and each spraying of cut phase, dispenser is 2 times altogether.
Investigation and statistical method, investigated in the stable disease phase, 5 samplings of diagonal, and every some investigation is connected 5 clumps (25 clumps) totally, adds up disease spike number, sick spike number, total grain number, infected seed number.Calculate disease fringe preventive effect and infected seed preventive effect.
Disease tassel yield (%)=sick spike number/investigation sum * 100
Sick fringe control efficiency (%)=(contrast disease tassel yield-processing disease tassel yield)/contrast disease tassel yield * 100
The total grain of infected seed rate (%)=infected seed number/investigation number * 100
Infected seed control efficiency (%)=(contrast infected seed rate-processing infected seed rate)/contrast infected seed rate * 100.
field test results shows, the 30% own azoles alcohol of nonylphenolsulfonate copper missible oil, 25% nonylphenolsulfonate copper Tebuconazole missible oil, 30% nonylphenolsulfonate copper micro-emulsion of phenyl ether methyl cyclic-azole, 42% nonylphenolsulfonate copper epoxiconazole suspended emulsion has good control efficiency to rice green smut, press respectively 30g/667 ㎡, 30g/667 ㎡, 50g/667 ㎡, 50g/667 ㎡ consumption, the sick fringe preventive effect of rice green smut is respectively 91.23%, 87.65%, 88.68%, 90.10%, the infected seed preventive effect is respectively 93.07%, 90.05%, 89.41%, 91.88%, obviously be better than 30% nonylphenolsulfonate copper microemulsion 150g/667 ㎡, 30% hexaconazole suspending agent 20g/667 ㎡, 12.5% tebuconazole microemulsion 50g/667 ㎡, 10% micro-emulsion of phenyl ether methyl cyclic-azole 50g/667 ㎡, the preventive effect of 12.5% epoxiconazole suspension concentrate 50g/667 ㎡ to rice green smut.
To the security survey of paddy rice, to observe in some days after the 1st day and medicine after the spray medicine, each test is processed rice leaf, flower, fringe is occurred without the poisoning phenomenon.
After result of the test shows that nonylphenolsulfonate copper and own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole are mixed, obviously improved the control efficiency to rice green smut, having reduced dosage and drug cost,, to paddy growth safety, is the desirable medicament of control rice green smut.
Biological Examples 2: control bacterial leaf streak of rice field trial
The Gong Jiaping village, town of paying one's respects in the Zhijiang City, Hubei Province in 2011 has carried out example of formulations 8(40% nonylphenolsulfonate copper hexaconazole microemulsion), example of formulations 14(45% nonylphenolsulfonate copper Tebuconazole suspended emulsion), example of formulations 15(50% nonylphenolsulfonate copper difenoconazole suspending emulsion), example of formulations 6(37.5% nonylphenolsulfonate copper epoxiconazole missible oil) control bacterial leaf streak of rice field trial, verified that these several medicaments are to the control efficiency of bacterial leaf streak of rice and to the safety of paddy rice.Test method is with reference to " pesticide field efficacy medicine test criterion (two) bactericidal agent for preventing and treating bacterial leaf streak of rice test of pesticide effectiveness GB/T 17980.105-2004 ".Trial crops is paddy rice, and controlling object is bacterial leaf streak of rice (Xanthomonas oryzicola).Be experimental field long-term rice workspace, concentrate the contiguous plant paddy rice on every side, water and fertilizer condition is better, and soil fertility is more even.Test medicine and dosage see table 4 for details.Separately establish blank, every processing 4 times repeats, every residential quarter 30 ㎡, and totally 40 residential quarters, random district group is arranged.Adopt conventional spray-on process, each every mu of dispenser liquid 50kg, evenly be sprayed at leave dual sides.In the control of spraying for the first time of bacterial leaf streak of rice initial stage of origination, the dispenser 1 time again every 14 days, dispenser is 2 times altogether.
Investigation and statistical method:
Carried out the disease index investigation in 14 days after dispenser for the second time, the method for 5 parallel samplings is adopted in every residential quarter, investigates 25 clumps at every, records total number of sheets, the sick number of sheets at different levels and sick progression, calculates disease index.
Grade scale is:
0 grade: blade is without scab;
1 grade: blade only has the translucent water stain shape scab of point, accounts for below 1% of leaf area;
3 grades: blade has fragmentary short and the fillet scab accounts for 1%～5% of leaf area;
5 grades: leaf spot lesion is more, accounts for leaf area 6%～25%;
7 grades: on blade, scab is closeer, accounts for leaf area 26%～50%;
9 grades: leaf spot lesion gathers and accounts for leaf area more than 51%, and it is tenne, curling, withered that blade becomes.Disease index and control efficiency computational methods:
Disease index=Σ (the sick numbers of sheets at different levels * relative level numerical value)/investigate total number of sheets * 9 * 100%
Disease index * 100% after control efficiency (%)=(disease index after disease index after the dispenser of blank district-chemicals treatment district dispenser)/blank district dispenser
Security survey: sprayed after medicine the 1st day at every turn and medicine after some days, each processes impact on paddy rice to observe medicament.
field test results shows, 40% nonylphenolsulfonate copper hexaconazole microemulsion, 45% nonylphenolsulfonate copper Tebuconazole suspended emulsion, 50% nonylphenolsulfonate copper difenoconazole suspending emulsion, 37.5% nonylphenolsulfonate copper epoxiconazole missible oil has good control efficiency to bacterial leaf streak of rice, respectively by 1000 times, 1600 times, 1800 times, 1000 times of dilution sprayings, the bacterial leaf streak of rice preventive effect was respectively 84.63% in 14 days after medicine for the second time, 83.23%, 83.99%, 86.36%, obviously be better than 300 times of 30% nonylphenolsulfonate copper microemulsions, 30% 2000 times of hexaconazole suspending agents, 12.5% 1000 times of tebuconazole microemulsions, 10% 1000 times of micro-emulsion of phenyl ether methyl cyclic-azole, the preventive effect of 12.5% 1000 times of epoxiconazole suspension concentrates to bacterial leaf streak of rice, difference reaches utmost point significance level.
To the security survey of paddy rice, to observe in some days after the 1st day and medicine after the spray medicine, each test is processed rice leaf, flower, fringe is occurred without the poisoning phenomenon.
After result of the test shows that nonylphenolsulfonate copper and own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole are mixed, obviously improved the control efficiency to bacterial leaf streak of rice, having reduced dosage and drug cost,, to paddy growth safety, is the desirable medicament of control bacterial leaf streak of rice.
In sum, composition of the present invention is to adopt two kinds of active component compound schemes, its activity and bactericidal effect are not the simple superposition of each composition activity, compare with existing unitary agent, except having significant bactericidal effect, and significant synergistic effect is arranged, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (5)
1. a bactericidal composition that contains nonylphenolsulfonate copper and triazole bactericidal agent, is characterized in that the composition active component is nonylphenolsulfonate copper and Difenoconazole, and wherein the weight ratio of nonylphenolsulfonate copper and Difenoconazole is 1:10,1:2,2:1 or 10:1～15:1.
2. contain according to claim 1 the bactericidal composition of nonylphenolsulfonate copper and triazole bactericidal agent, it is characterized in that, the content sum of nonylphenolsulfonate copper and Difenoconazole is 3%～70% of described composition total weight.
3. contain according to claim 2 the bactericidal composition of nonylphenolsulfonate copper and triazole bactericidal agent, it is characterized in that, the content sum of nonylphenolsulfonate copper and Difenoconazole is 5%～50% of described composition total weight.
4. contain according to claim 1 the bactericidal composition of nonylphenolsulfonate copper and triazole bactericidal agent, it is characterized in that described composition is missible oil, microemulsion, suspended emulsion.
5. the described application of bactericidal composition in control rice green smut, bacterial stripe that contains nonylphenolsulfonate copper and triazole bactericidal agent of claim 1.
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| CN102845433A (en) * | 2012-10-03 | 2013-01-02 | 利尔化学股份有限公司 | Sterilizing combination, pesticide and application |
| CN104904726A (en) * | 2014-03-10 | 2015-09-16 | 浙江龙湾化工有限公司 | Thiodiazole copper-tebuconazole compound pesticide |
| CN104115869B (en) * | 2014-06-12 | 2016-08-31 | 中国水稻研究所 | A kind of ternary built pesticide containing Copper hydrate, trifloxystrobin and Tebuconazole |
| CN104041491B (en) * | 2014-07-14 | 2015-09-02 | 陕西上格之路生物科学有限公司 | A kind of bactericidal composition containing cyflufenamid and nonylphenolsulfonate copper |
| CN104322595A (en) * | 2014-10-22 | 2015-02-04 | 苏州科大微龙信息技术有限公司 | Mint-copper false smut preventing-treating agent and preparation method thereof |
| CN105638677A (en) * | 2014-11-14 | 2016-06-08 | 陕西美邦农药有限公司 | A pesticide composition containing copper(succinate+glutarate+adipate) and triazole |
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| EP0045049A2 (en) * | 1980-07-25 | 1982-02-03 | Ciba-Geigy Ag | Arylamine derivatives, process for their preparation and their use as microbicides |
| CN102669112A (en) * | 2012-05-31 | 2012-09-19 | 利尔化学股份有限公司 | Bactericide composition, bactericide pesticide and application of bactericide composition and bactericide pesticide |
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| EP0045049A2 (en) * | 1980-07-25 | 1982-02-03 | Ciba-Geigy Ag | Arylamine derivatives, process for their preparation and their use as microbicides |
| CN102669112A (en) * | 2012-05-31 | 2012-09-19 | 利尔化学股份有限公司 | Bactericide composition, bactericide pesticide and application of bactericide composition and bactericide pesticide |
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