CN103430945B - Compound pesticide sterilization composition comprising trifloxystrobin and triflumizole and application of compound pesticide sterilization composition - Google Patents
Compound pesticide sterilization composition comprising trifloxystrobin and triflumizole and application of compound pesticide sterilization composition Download PDFInfo
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Abstract
The invention discloses a compound pesticide sterilization composition comprising trifloxystrobin. Effective components of the compound pesticide sterilization composition comprise trifloxystrobin and a component B; the component B is one of syp-z048, triflumizole, simeconazole or tetraconazole; the mass ratio of trifloxystrobin to the component B is (60:1)-(1:60). After the trifloxystrobin in the composition disclosed by the invention is compounded with one of the syp-z048, the triflumizole, the simeconazole and the tetraconazole, the composition has an obvious synergistic effect; the composition is used for preventing and treating diseases of crops such as fruit trees, wheat, rice and vegetables and particularly preventing and treating various diseases such as downy mildew, rust disease, powdery mildew, leaf spot disease, black spot disease, rice blast and the like.
Description
The application is the divisional application of " the Recompounded pesticide bactericidal composition that contains oxime bacterium ester ", and the applying date of original application is on April 13rd, 2012, and the application number of original application is 201210109204.X.
Technical field
The present invention relates to a kind of bactericidal pesticide composition, particularly relate to a kind of composite pesticide sterilizing composite forming in oxime bacterium ester and azole SYP-Z048, fluorine bacterium azoles, simeconazoles and tetraconazole.
Background technology
In recent years, due to single drug and Scientific Usage of Drugs not, cause many diseases to produce resistance to the agricultural chemicals of current use, as downy mildew, powdery mildew, rice blast etc., become a great problem of chemical control.Meanwhile, frequent dispenser causes again peasant burden to increase the weight of and increasing environmental pollution.Therefore, be badly in need of the bactericide new varieties of efficient, minuent, environmental protection, low-residual.
Oxime bacterium ester class wide-spectrum bactericide is the new fungicides of a class of successfully developing as bactericide lead compound from natural products Strobilurins.Characteristics such as thering is efficient, wide spectrum, protection, treat, root out, infiltration, systemic activity, resistance of rainwater washing against, lasting period are long.The bacterial strain that Isosorbide-5-Nitrae-demethylation enzyme inhibitor, benzamides, dicarboxyl amine and benzimidazole is produced to resistance is effective, with at present existing bactericide without cross resistance.Nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease is all had to good activity as powdery mildew, rust, Ying's rot, net blotch, downy mildew, rice blast etc.Except powdery mildew, leaf spot are had special efficacy, rust, downy mildew, damping off, scab are all had to good activity.To crop safety, capable of being fast degraded in soil, water because of it, therefore environmentally safe.
After the long-term use of oxime bacterium ester single dose, easily make disease develop immunity to drugs, cause the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, be unfavorable for environment sustainable development.And that the active ingredient of the different mechanisms of action is carried out is composite, be to delay the disease conventional method that develops immunity to drugs, and according to the effect in production application, judge this composite be synergistic effect or antagonism.Complex role is significantly filled a prescription, and can obviously improve preventive effect, greatly reduces the dosage of agricultural chemicals, also can expand fungicidal spectrum, improves germicidal efficiency.
In azoles fungicide chemical constitution, common feature is on main chain, to contain hydroxyl (or ketone group), substituted-phenyl and 1,2,4-triazole group compound.This class medicament, except to oomycetes non-activity in Mastigomycotina, all has activity to the pathogen of Ascomycotina, Basidiomycotina and Deuteromycotina, and its mechanism of action, for to affect sterols biosynthesis, is damaged somatic cells film function.
SYP-Zo48 is azoles fungicide, belongs to sterol synthetic inhibitor bactericide, and active ingredient is SYP-Zo48, stable to acid, alkali at normal temperatures, stable in water, under sunshine or light, at high temperature decomposes.To people, animal low toxicity, eyes are had to moderate spread effect, non-stimulated to skin, hypersensitive is slight, and fish, bird, honeybee, silkworm etc. are to low toxicity.Disease is had to therapeutic action, and have good interior suction bactericidal action, there is broad-spectrum sterilization activity, different from now widely used bactericide mechanism of action, there is not cross resistance yet.
Fluorine bacterium azoles is azoles fungicide, and this medicine is ergosterol biosynthesis inhibitor.Have prevention, treat, root out effect, systemic action conductivity is good, and anti-rain drop erosion can anti-various crop disease.Be applicable to the control of the powdery mildews such as wheat class, fruit tree, vegetables, rust, peach brown rot.
Simeconazoles Main Function mechanism is the biosynthesis of the cell membrane important composition composition ergosterol of sterol demethylation inhibitor, destruction and prevention germ, causes cell membrane not form, and makes germ death.Due to absorption in having well, therefore can promptly be absorbed by plants, and in conducted inside; There is good protection and therapeutic activity.Obviously improve crop yield.Be suitable for the control of the diseases such as paddy rice, wheat, apple, pears, peach, tea, vegetables, lawn.Under recommended dose, use, to environment, crop safety.Controlling object can be prevented and treated disease due to numerous sac fungis, basidiomycetes and imperfect fungus effectively, especially all kinds of powdery mildews, scab, rust, damping off, banded sclerotial blight etc. is had to excellent preventive effect.
Tetraconazole is sterol demethylation inhibitor.Due to absorption in having well, therefore can promptly be absorbed by plants, and in conducted inside; There is good protection and therapeutic activity.6 weeks lasting periods.Suitable crop has cereal crop as wheat, barley, oat, rye etc., and fruit tree is as banana, grape, pears, apple tree etc., and vegetables are as melon, beet, ornamental plants etc.Tetraconazole can be prevented and treated Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and the microbial disease of Septoria as wheat powdery mildew, loose smut of wheat, wheat rust, the bunt of wheat, wheat grain husk blessing disease, barley leaf blotch, loose smut of barley, barley banded sclerotial blight, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, alternaria leaf spot of apple, pear scab and grape powdery mildew etc.
For solving the problem easily developing immunity to drugs after single dose is used, the patent documentation that application publication number is CN102239855A provides a kind of bactericidal composition that contains oxime bacterium ester and triazole type, said composition comprises the one in oxime bacterium ester and triazole class compounds glyoxalin, epoxiconazole, kind bacterium azoles, tricyclazole or nitrile bacterium azoles, and in composition pesticide, the ratio of weight and number of two kinds of active components is 60:1-1:60.Above-mentioned composition pesticide has protection concurrently, treats and roots out activity, for example can be used for various crop: wheat, paddy rice, vegetables, fruit tree etc., prevent and treat the multiple diseases such as downy mildew, rust, powdery mildew, leaf spot, scab, rice blast.But because triazole type active principle cost is high, cause the bactericidal composition cost that finally prepares high, increased peasant's dispenser burden; And after use a period of time of above-mentioned composition, also can develop immunity to drugs, result for the treatment of can reduce.
Summary of the invention
The invention provides a kind of Recompounded pesticide bactericidal composition that contains oxime bacterium ester, said composition can prevent generation or the delaying drug resistance speed of disease drug resistance, and use cost is low, preventive effect good, and applicability is wide.
For solving the problems of the technologies described above, inventor is by a large amount of biologicall test screenings, find that the one in oxime bacterium ester and azoles fungicide SYP-Z048, fluorine bacterium azoles, simeconazoles, tetraconazole is composite with certain proportion, the diseases such as antagonism property of medicine downy mildew, powdery mildew have significant synergies.
On the basis of above-mentioned discovery, through composition is carried out to symphyogenetic quantitative analysis, form technical scheme of the present invention:
A Recompounded pesticide bactericidal composition that contains oxime bacterium ester, active principle comprises oxime bacterium ester and B component, described B component is the one in SYP-Z048, fluorine bacterium azoles, simeconazoles or tetraconazole; The mass ratio of oxime bacterium ester and B component is 60:1-1:60.
SYP-Z048, fluorine bacterium azoles, simeconazoles or tetraconazole cost are lower, have ensured that the cost of the Recompounded pesticide bactericidal composition finally preparing is lower.
For obtaining stronger synergistic effect, a kind of preferred technical scheme is: described B component is SYP-Z048, and wherein the mass ratio of oxime bacterium ester and SYP-Z048 is 30:1-1:30.Another kind of preferred scheme is: described B component is fluorine bacterium azoles, and wherein the mass ratio of oxime bacterium ester and fluorine bacterium azoles is 10:1-1:30.
The present composition can be prepared into any one formulation that is applicable to agricultural use by known method, reasonable formulation is wetting powder, suspending agent, missible oil, microemulsion, aqueous emulsion, water dispersible granules and seed dressing etc., and in preparation, the mass percentage content of active ingredient is 1-95%.A kind of preferred technical scheme is: in preparation, active ingredient is oxime bacterium ester and SYP-Z048, in preparation, the mass percentage content of active ingredient is 50-61%, in active ingredient, the mass ratio of oxime bacterium ester and SYP-Z048 is 60:1-1:1, said preparation can be selected wetting powder or suspending agent, can effectively prevent and treat tomato downy mildew and wheat rust.Another kind of preferred technical scheme is: in preparation, active ingredient is oxime bacterium ester and fluorine bacterium azoles, in preparation, the mass percentage content of active ingredient is 30-50%, in active ingredient, the mass ratio of oxime bacterium ester and fluorine bacterium azoles is 1:1-1:9, the preparation of this composition can be selected water dispersible granules or aqueous solvent, can effectively prevent and treat fruit, vegetables powdery mildew, for example powdery mildew of cucumber or powdery mildew of strawberry.The third preferred technical scheme is: in preparation, active ingredient is oxime bacterium ester and simeconazoles, in preparation, the mass percentage content of active ingredient is 33-51%, in active ingredient, the mass ratio of oxime bacterium ester and simeconazoles is 1:10-1:50, said preparation can be selected missible oil or suspending agent, can effectively prevent and treat rice blast and apple scab.
The adjuvant using in composition of the present invention comprise solvent, cosolvent, emulsifier, dispersant, wetting agent, antifreezing agent, defoamer, thickener, pH adjusting agent, filler, water, disintegrant etc. and other be of value to active ingredient storage and use in the known substance of stable and drug effect performance, all various compositions conventional in pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to formula.
In above-mentioned adjuvant:
Described solvent, cosolvent comprise: toluene, dimethylbenzene, methyl alcohol, DMF, 1-METHYLPYRROLIDONE, cyclohexanone, methyl-sulfoxide, sec-butyl acetate, aromatic solvent naphtha, methyl oleate, plant wet goods one or more;
Described emulsifier comprises: one or more in styrylphenol polyoxyethylene ether or its phosphate, polyoxyethylene nonylphenol ether or its phosphate, fatty alcohol-polyoxyethylene ether or its salt, styryl phenol polyoxyethylene poly-oxygen propylene aether block copolymer, castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate etc.;
Described dispersant comprises: one or more in lignosulfonates, naphthalenesulfonic acid-formaldehyde condensate, polycarboxylate salt dispersant etc.;
Described wetting agent comprises: one or more in lauryl sodium sulfate, alcohol ethoxylate, alkylphenol ethoxylate, naphthalene sulfonate etc.;
Described antifreezing agent comprises: one or more in ethylene glycol, propane diols, glycerine etc.;
Described defoamer comprises: the one in organosiloxane, polyethers etc.;
Described thickener comprises: one or more in xanthans, sodium carboxymethylcellulose, polypyrrole alkane ketone, Sodium Polyacrylate etc.;
Described pH adjusting agent comprises: one or more in hydrochloric acid, phosphoric acid, acetic acid, sodium hydroxide, ammoniacal liquor, triethanolamine, Sodium Benzoate etc.;
Described filler comprises: one or more in precipitated calcium carbonate, kaolin, white carbon, attapulgite, bentonite, water etc.;
Described disintegrant comprises: one or more in ammonium sulfate, sodium chloride, urea, sodium sulphate etc.
Product described in the invention can finished product preparation form provide, and in composition, each material mixes, and the composition of composition also can provide with single dose form, before using, directly single dose is directly mixed in bucket or tank, is then diluted to required concentration.
Bactericidal composition of the present invention is mainly used in the disease of the crops such as fruit tree, wheat, paddy rice, vegetables, especially the multiple diseases such as downy mildew, rust, powdery mildew, leaf spot, scab, rice blast.
Compared with prior art, the beneficial effect that the present invention produces is:
(1), compared with single dose, this bactericidal composition has obvious synergy, has improved control efficiency multiple diseases such as downy mildew, rust, powdery mildew, leaf spot, scab, rice blast;
(2) relative with the existing composition containing oxime bacterium ester, the composition drug effect containing oxime bacterium ester of the present invention is better, can significantly reduce field dosage, effectively reduces environmental pollution and residue of pesticide, and reduces and produce and use cost;
(3) in bactericidal composition, the mechanism of action of active ingredient is different, the generation that is conducive to overcome disease resistance He delays pest resistance to insecticide;
(4) compared with oxime bacterium ester single dose, quick-acting obviously improves, more remarkable effect;
(5) the present invention has expanded fungicidal spectrum, is conducive to crop pest integrated control.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for explaining the present invention, can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that all any amendments of making within the spirit and principles in the present invention, be equal to alternative and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
The combination of active principles of different agricultural chemicals is made to agricultural chemicals, is effectively and the efficiently mode of one of current development novel pesticide.The agricultural chemicals of different cultivars is usually expressed as three kinds of type of action: summation action, synergistic effect and antagonism after mixing.But be specially which kind of effect, unpredictable, only have by lot of experiments and just can know.Compound synergic effect is well filled a prescription, and owing to obviously having improved actual control efficiency, reduce the usage amount of agricultural chemicals, thereby delayed widely the generation of disease drug resistance, be the important means of integrated control.
The present composition is taking the one in oxime bacterium ester and SYP-Z048, fluorine bacterium azoles, simeconazoles, tetraconazole as active ingredient, between them, combination has obvious synergistic function to multiple diseases such as downy mildew, rust, powdery mildew, leaf spot, scab, rice blast, and be not only the simple addition of two kinds of pharmacy effects, be specifically illustrated with following biologicall test example.
Biologicall test example 1: the composite toxicity test to downy mildew of oxime bacterium ester and SYP-Z048
Subjects: tomato downy mildew
Test method: evaluate SOP(bactericide volume with reference to bactericide agricultural chemicals indoor bioassay test rule " the agricultural industry criteria NY/T1156.6-2006 of the People's Republic of China (PRC) " and initiative pesticide bioactivity), adopt spore suspension spray inoculation method.Select the consistent potted tomato seedling of 1 leaf 1 heart stage (plucking growing point) growing way, reagent spray dries after processing naturally, dips distilled water wash away disease leaf back sporangium after 24h with writing brush, is made into sporangia suspension (2-3 × 10
5individual/ml), sporangia suspension is evenly sprayed on cucumber leaves with inoculation sprayer (pressure 0.1MPa), then tomato seedling after inoculation is moved to artificial climate indoor (relative moisture 100%, temperature is 20 DEG C, light dark period is 14h/10h) cultivation.After 24h, maintain relative moisture 90% left and right moisturizing and bring out, 5d backsight blank incidence carries out classification investigation, refers to calculate preventive effect % by disease.
Preventive effect data are carried out statistical analysis with DPS data processing software, calculate the biologically active (EC50, half-maximal effect concentration) of each medicament to downy mildew, then press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).
When CTC≤80, composition performance, for antagonism, is worked as 80<CTC<120, and composition performance is for summation action, and when CTC >=120, composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) × 100
The percentage composition of B in percentage composition+B medicament toxicity index × mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100
Measurement result shows, the quality proportioning of oxime bacterium ester and SYP-Z048 between 60:1-1:60 time, has obvious synergistic effect, and wherein, both are between 30:1-1:30 time, and synergistic effect is comparatively desirable, and within the scope of 10:1-1:10, mixed synergies is particularly outstanding.It is mass ratio that experimental data refers to the ratio in active ingredient in table 1(table 1).
The Toxicity Determination result of table 1 different disposal to downy mildew
| Active ingredient | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient CTC |
| Oxime bacterium ester | 3.98 | 125.8 | / | / |
| SYP-Z048 | 2.82 | 145.1 | / | / |
| Oxime bacterium ester 50: SYP-Z048s 1 | 3.84 | 184.9 | 126.2 | 146.5 |
| Oxime bacterium ester 30: SYP-Z048s 1 | 3.77 | 191.2 | 127.4 | 150.1 |
| Oxime bacterium ester 25: SYP-Z048s 1 | 3.71 | 209.1 | 126.5 | 165.3 |
| Oxime bacterium ester 10: SYP-Z048s 1 | 3.61 | 230.3 | 128.0 | 180.0 |
| Oxime bacterium ester 5: SYP-Z048s 1 | 3.56 | 241.1 | 129.0 | 186.9 |
| Oxime bacterium ester 1: SYP-Z048 1 | 3.38 | 276.0 | 135.5 | 203.7 |
| Oxime bacterium ester 1: SYP-Z048 10 | 2.73 | 309.2 | 143.3 | 215.8 |
| Oxime bacterium ester 1: SYP-Z048 20 | 2.69 | 272.6 | 144.2 | 189.1 |
| Oxime bacterium ester 1: SYP-Z048 30 | 2.68 | 265.8 | 143.2 | 185.6 |
| Oxime bacterium ester 1: SYP-Z048 40 | 2.67 | 243.4 | 144.6 | 168.3 |
| Oxime bacterium ester 1: SYP-Z048 60 | 2.59 | 224.1 | 144.8 | 154.8 |
SYP-Z048 in said determination replaces with fluorine bacterium azoles, and co-toxicity coefficient also, more than 120, shows as synergistic effect equally, and experimental data is referring to table 2.
The Toxicity Determination result of table 2 different disposal to downy mildew
| Active ingredient | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient CTC |
| Oxime bacterium ester | 3.98 | 125.8 | / | / |
| Fluorine bacterium azoles | 5.32 | 102.3 | / | / |
| Oxime bacterium ester 10: fluorine bacterium azoles 1 | 3.94 | 229.3 | 123.7 | 185.4 |
| Oxime bacterium ester 1: fluorine bacterium azoles 1 | 4.39 | 225.5 | 114.1 | 197.6 |
| Oxime bacterium ester 1: fluorine bacterium azoles 10 | 4.96 | 176.7 | 104.4 | 169.3 |
| Oxime bacterium ester 1: fluorine bacterium azoles 30 | 5.08 | 163.5 | 103.1 | 158.6 |
Bactericidal composition of the present invention can be measured and be prepared into any one formulation that is applicable to agricultural use by known method, and reasonable formulation is wetting powder, suspending agent, missible oil, microemulsion, aqueous emulsion, water dispersible granules and seed dressing etc.Describe with specific embodiment below, the percentage in all formulas is mass percent.The processing technology of the various preparations of the present composition is prior art, can change to some extent according to different situations.Following embodiment does not only limit the present invention for the present invention is described.
Embodiment 1:61% oxime bacterium ester SYP-Z048 wetting powder
Active component, various adjuvants etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, obtain 61% oxime bacterium ester SYP-Z048 wetting powder.
SYP-Z048 in the present embodiment is replaceable is fluorine bacterium azoles, simeconazoles, tetraconazole, forms new embodiment.
The 61% oxime bacterium ester SYP-Z048 wetting powder that this embodiment prepares is applied to control tomato downy mildew.By 61% oxime bacterium ester SYP-Z048 wetting powder, by the spraying of 5000 times of thin ups, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 82.5%, 92.3%, 89.7%.25% oxime bacterium ester suspending agent by 3500 times and 25% SYP-Z048 emulsifiable concentrate by 5000 times, the use that uses the same method, after medicine, imitation in 1 day is respectively 75.6%, 80.7%, after medicine, the imitation of 7 days and 15 days is respectively 88.2%, 90.7% and 80.3% and 82.3%.The composite rear synergistic effect of oxime bacterium ester and SYP-Z048 is obvious, and control, quick-acting and lasting effect to downy mildew are significantly better than single dose.
Embodiment 2:50% oxime bacterium ester SYP-Z048 suspending agent
Each components such as active component, dispersant, wetting agent, antifreeze, thickener, defoamer and water are mixed in the ratio of formula, grind and obtain 50% oxime bacterium ester SYP-Z048 suspending agent through sand mill.
SYP-Z048 in the present embodiment is replaceable is fluorine bacterium azoles, simeconazoles, tetraconazole, forms new embodiment.
The 50% oxime bacterium ester SYP-Z048 suspending agent that this embodiment prepares is applied to prevents and treats wheat rust.By 50% oxime bacterium ester SYP-Z048 suspending agent, by the spraying of 6000 times of thin ups, after medicine, 7 days and 15 days control efficiency are respectively 97.6%, 95.3%.25% oxime bacterium ester suspending agent is pressed 5000 times by 3500 times and 25% SYP-Z048 emulsifiable concentrate, the use that uses the same method, and after medicine, the preventive effect of 7 days and 15 days is respectively 89.5%, 82.9% and 90.4%, 82.6%.The composite rear synergistic effect of oxime bacterium ester and SYP-Z048 is obvious, and preventive effect, quick-acting and lasting effect to paddy rice rice leaf roller wheat rust are significantly better than single dose.
Embodiment 3:30% oxime bacterium ester fluorine bacterium azoles aqueous emulsion
Former medicine, cosolvent, emulsifier are added together and stir into even oil phase; Antifreezing agent and water mixing are made to water; Under high-speed shearing machine is sheared, oil phase is mixed with water, make 30% oxime bacterium ester fluorine bacterium azoles aqueous emulsion.
Fluorine bacterium azoles in the present embodiment is substitutable for SYP-Z048, simeconazoles, tetraconazole, forms new embodiment.
The 30% oxime bacterium ester fluorine bacterium azoles aqueous emulsion that this embodiment prepares is applied to control powdery mildew of strawberry.By 30% oxime bacterium ester fluorine bacterium azoles aqueous emulsion, by the spraying of 4000 times of thin ups, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 83.6%, 94.8%, 92.1%.25% oxime bacterium ester suspending agent is pressed 3000 times by 3500 times and 30% triflumizole wettable powder, use uses the same method, use with same method, after medicine, the preventive effect of 1 day is respectively 76.9%, 68.3%, and after medicine, 7 days and 15 days preventive effects are respectively 89.1%, 80.9% and 83.7%, 84.8%.The composite rear synergistic effect of oxime bacterium ester and fluorine bacterium azoles is obvious, and preventive effect, quick-acting and lasting effect to powdery mildew of strawberry are significantly better than single dose.
Embodiment 4:50% oxime bacterium ester triflumizole water dispersant
Former medicine, auxiliary agent, disintegrant, filler etc. are mixed, pulverize through micro jet, then adding the granulation on comminutor of appropriate water, the dry 50% oxime bacterium ester triflumizole water dispersant forming in drying box.
Fluorine bacterium azoles in the present embodiment is substitutable for SYP-Z048, simeconazoles, tetraconazole, forms new embodiment.
This embodiment is applied to the 50% oxime bacterium ester triflumizole water dispersant preparing and prevents and treats powdery mildew of cucumber.By the spraying of 5000 times of thin ups of 50% oxime bacterium ester triflumizole water dispersant, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 89.2%, 97.3%, 93.5%.25% oxime bacterium ester suspending agent is pressed 3000 times by 3500 times and 30% triflumizole wettable powder, use uses the same method, use with same method, after medicine, the preventive effect of 1 day is respectively 84.6%, 71.9%, and after medicine, 7 days and 15 days preventive effects are respectively 92.5%, 85.3% and 89.8%, 81.9%.The composite rear synergistic effect of oxime bacterium ester and fluorine bacterium azoles is obvious, and preventive effect, quick-acting and lasting effect to powdery mildew of cucumber are significantly better than single dose.
Embodiment 5:33% oxime bacterium ester simeconazoles suspending agent
Each components such as active component, dispersant, wetting agent, antifreeze, thickener, defoamer and water are mixed in the ratio of formula, grind and obtain 33% oxime bacterium ester simeconazoles suspending agent through sand mill.
Simeconazoles in the present embodiment is substitutable for SYP-Z048, fluorine bacterium azoles, tetraconazole, forms new embodiment.
The 33% oxime bacterium ester simeconazoles suspending agent that this embodiment prepares is applied to prevents and treats apple scab.33% 3500 times of oxime bacterium ester simeconazoles suspending agents thin up spraying, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 85.9%, 94.8%, 91.5%.25% oxime bacterium ester suspending agent is pressed 3000 times by 3500 times and 25% simeconazoles wetting powder, use uses the same method, use with same method, after medicine, the preventive effect of 1 day is respectively 79.3%, 81.9%, and after medicine, 7 days and 15 days preventive effects are respectively 88.4%, 91.2% and 83.6%, 89.3%.The composite rear synergistic effect of oxime bacterium ester and simeconazoles is obvious, and preventive effect, quick-acting and lasting effect to apple scab are significantly better than single dose.
Embodiment 6:21% oxime bacterium ester tetraconazole wetting powder
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, obtain 21% oxime bacterium ester tetraconazole wetting powder.
Tetraconazole in the present embodiment is replaceable is SYP-Z048, fluorine bacterium azoles, simeconazoles, forms new embodiment.
The 21% oxime bacterium ester tetraconazole wetting powder that this embodiment prepares is applied to prevents and treats downy mildew of garpe.By 21% oxime bacterium ester tetraconazole wetting powder, by the spraying of 3000 times of thin ups, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 83.1%, 95.7%, 90.6%.25% oxime bacterium ester suspending agent by 3500 times and 4% tetraconazole aqueous emulsion by 2000 times, the use that uses the same method, after medicine, imitation in 1 day is respectively 78.6%, 71.5%, after medicine, the imitation of 7 days and 15 days is respectively 90.7%, 85.2% and 88.3%, 82.9%.The composite rear synergistic effect of oxime bacterium ester and tetraconazole is obvious, and control, quick-acting and lasting effect to downy mildew of garpe are significantly better than single dose.
Embodiment 7:51% oxime bacterium ester simeconazoles missible oil
The 51% oxime bacterium ester simeconazoles missible oil that former medicine, emulsifier, solvent, cosolvent etc. are stirred and formed in stirred tank.
Simeconazoles in the present embodiment is substitutable for SYP-Z048, fluorine bacterium azoles, tetraconazole, forms new embodiment.
The 51% oxime bacterium ester simeconazoles missible oil that this embodiment prepares is applied to control rice blast.By the spraying of 5000 times of thin ups of 51% oxime bacterium ester simeconazoles missible oil, after medicine, the control efficiency of 1 day, 7 days and 15 days is respectively 81.7%, 90.4%, 88.6%.25% oxime bacterium ester suspending agent is pressed 3000 times by 3500 times and 25% simeconazoles wetting powder, use uses the same method, use with same method, after medicine, the preventive effect of 1 day is respectively 78.8%, 76.4%, and after medicine, 7 days and 15 days preventive effects are respectively 88.1%, 87.2% and 84.1%, 80.6%.The composite rear synergistic effect of oxime bacterium ester and simeconazoles is obvious, and preventive effect, quick-acting and lasting effect to rice blast are significantly better than single dose.
Claims (5)
1. contain a Recompounded pesticide bactericidal composition for oxime bacterium ester and fluorine bacterium azoles, active principle is made up of oxime bacterium ester and fluorine bacterium azoles; The mass ratio of described oxime bacterium ester and fluorine bacterium azoles is 10:1-1:30.
2. a preparation for the applicable agricultural use being prepared by composition described in claim 1, is characterized in that, in described preparation, active ingredient is oxime bacterium ester and fluorine bacterium azoles, and mass percentage content is 1-95%;
Described preparation is wetting powder, suspending agent, missible oil, microemulsion, aqueous emulsion, water dispersible granules and seed dressing.
3. preparation according to claim 2, is characterized in that, in described preparation, the mass percentage content of active ingredient is 30-50%, and in active ingredient, the mass ratio of oxime bacterium ester and fluorine bacterium azoles is 1:1-1:9
4. a bactericidal composition claimed in claim 1 application on control of crop disease.
5. the application of bactericidal composition according to claim 4 on control of crop disease, is characterized in that: described disease is downy mildew, rust, powdery mildew, leaf spot, scab or rice blast.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310356179.XA CN103430945B (en) | 2012-04-13 | 2012-04-13 | Compound pesticide sterilization composition comprising trifloxystrobin and triflumizole and application of compound pesticide sterilization composition |
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| WO2005104847A1 (en) * | 2004-04-30 | 2005-11-10 | Basf Aktiengesellschaft | Fungicidal mixtures |
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