CN101601389B - Sterilization composite containing triflumizole and difenoconazole - Google Patents
Sterilization composite containing triflumizole and difenoconazole Download PDFInfo
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- CN101601389B CN101601389B CN 200910023379 CN200910023379A CN101601389B CN 101601389 B CN101601389 B CN 101601389B CN 200910023379 CN200910023379 CN 200910023379 CN 200910023379 A CN200910023379 A CN 200910023379A CN 101601389 B CN101601389 B CN 101601389B
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- difenoconazole
- bacterium azoles
- fluorine
- fluorine bacterium
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Abstract
The invention discloses a sterilization composite whose effective activity components comprises triflumizole and difenoconazole in a weight ratio of 1-60 to 60-1%. Auxiliary agent and excipient are added into the effective activity components to prepare wettability powder, water-dispersion granule and suspending agent, emulsion in water and microemulsion. The sterilization composite is mainly used for preventing and curing powdery mildew, cladosporium cucumerinum, leaf spot and alternaria leaf spot of grain, vegetable and fruit trees.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of bactericidal composition that contains fluorine bacterium azoles and Difenoconazole and be used to prevent and treat powdery mildew, scab, leaf spot, spot defoliation.
Technical background
Fluorine bacterium azoles (triflumizole), structural formula are (E)-4-chloro-α, α, α-three fluoro-N-(1-imidazoles-1-base-α-third oxygen ethylidene) neighbour-toluidines Difenoconazole, molecular formula: C
15H
15N
3F
3ClO.
Fluorine bacterium azoles is by the imidazoles bactericide of Japanese Cao Da company exploitation, is sterol demethylation inhibitor, has the systemic fungicide of protection, treatment and output effect.Be applicable to wheat class, various vegetables, fruit tree and other crops, to crop safety.
Difenoconazole (difenoconazole), structural formula are 1-(2-[4-(4-chlorobenzene oxygen)-2-chlorphenyl]-4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2, and 4-triazole, molecular formula: C
19H
17C
12N
3O
3
Difenoconazole is a kind of have protection and therapeutic action systemic fungicide, is sterol demethylation inhibitor, suppresses the biosynthesis of cell wall sterol, stops fungi growth.It has strong interior absorption, drug effect is high, to crop safety, and long characteristics of lasting period.Have prevention and therapeutic action.Fungicidal spectrum is wide, and foliar treatment and seed treatment can improve output and the guaranteed quality of crop.Multiple diseases preventive effect for sac fungi and imperfect fungus cause is splendid.Also can use with, the better prevention effect is all arranged with most of bactericide, Insecticides (tech) & Herbicides (tech).Multiple diseases on field crop, the fruit and vegetable had treatment and eradicant action.
No matter be fluorine bacterium azoles or Difenoconazole, still other efficient germicides singlely use on a kind of disease repeatedly, and through after the regular hour, drug effect just obviously goes down, even nearly unavailable, and this phenomenon is be exactly germ has produced pesticide resistance.Drug-fast generation forces the peasant to have to increase dosage and medication number of times, has formed a kind of pernicious upgrading phenomenon so again just.After germ receives the doses action of agricultural chemicals, the death that has, wherein insensitive individuality is just survived; And raise up seed, such offspring's pesticide resistance is just stronger, for preventing and treating the disease that develops immunity to drugs on the agricultural; A kind of method is to release the new component that new and existing kind do not have cross resistance; But the new component development cost is high, and the construction cycle is long, and the speed that develops immunity to drugs less than disease forever; Additive method such as crop allocation adjustment etc. are difficult to play obvious effects in actual mechanical process.Adopting the agriculture chemical compounding of two kinds of different sterilization mechanisms is good prescriptions, owing to obviously improved preventive effect, and reduced dosage, and different classes of active ingredient application point is also different, thereby has delayed the generation of disease drug resistance greatly.
Draw according to the test of pesticide effectiveness repeatedly, prescription screening report, fluorine bacterium azoles and Difenoconazole be composite to have good synergistic effects, has obviously improved control efficiency, is the important means of integrated control powdery mildew, scab, leaf spot, spot defoliation.
Do not see the report of the bactericidal composition that relevant fluorine bacterium azoles and Difenoconazole are composite up to now as yet.
Summary of the invention
The object of the invention proposes a kind of have synergistic effect, use cost is low, preventive effect is good fluorine-containing bacterium azoles and the bactericidal composition of Difenoconazole.
The present invention realizes through following technical scheme:
The bactericidal composition of a kind of fluorine-containing bacterium azoles and Difenoconazole, wherein fluorine bacterium azoles and Difenoconazole percentage by weight are 1～60: 60～1.
The bactericidal composition of described fluorine-containing bacterium azoles and Difenoconazole, wherein the percentage by weight of fluorine bacterium azoles and Difenoconazole is 5～40: 40～5.
The bactericidal composition of described fluorine-containing bacterium azoles and Difenoconazole, wherein the percentage by weight of fluorine bacterium azoles and Difenoconazole is 10～30: 30～10.
The bactericidal composition of described fluorine-containing bacterium azoles and Difenoconazole can be made into wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion.
The bactericidal composition effective active component content of described fluorine-containing bacterium azoles and zineb is 2～80%.
When processing wetting powder, composition comprises following constituent content: fluorine bacterium azoles 1～60%, Difenoconazole 1～60%, dispersant 3～15%, wetting agent 2～12%, filler 10～83%.
Fluorine bacterium azoles, Difenoconazole, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into fluorine bacterium azoles Difenoconazole wetting powder product.
When processing water dispersible granules, composition comprises following constituent content: fluorine bacterium azoles 1～40%, Difenoconazole 1～40%, dispersant 3～12%, wetting agent 2～8%, disintegrant 0～8%, filler 8～83%.
Fluorine bacterium azoles, Difenoconazole, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, 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 fluorine bacterium azoles difenoconazole water dispersible granule product.
When processing suspending agent, composition comprises following constituent content: fluorine bacterium azoles 1～30%, Difenoconazole 1～30%, dispersant 3～12%, wetting agent 2～10%, antifoaming agent 0.1～0.5%, thickener 0～2%, antifreeze 0～8%, deionized water surplus.
Dispersant, wetting agent, antifoaming agent, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear; Add fluorine bacterium azoles, Difenoconazole; Ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes fluorine bacterium azoles difenoconazole suspending agent product.
Comprise following group component composition when processing aqueous emulsion: fluorine bacterium azoles 1%～30%, Difenoconazole 1%～30%, solvent and cosolvent 5%～40%, emulsifier 1%～10%, antifreezing agent 1%～5%, thickener 0.1%～1%, antifoaming agent 0.1%～0.5%, deionized water surplus.
Above-mentioned formulation material is mixed, the former medicine of fluorine bacterium azoles, difenoconazole technical material, solvent, emulsifier are added together, make and be dissolved into even oil phase; Deionized water, antifreeze, thickener, antifoaming agent are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, can make fluorine bacterium azoles Difenoconazole aqueous emulsion.
Comprise following group component composition when processing microemulsion: fluorine bacterium azoles 1%～30%, Difenoconazole 1%～30%, solvent and cosolvent 5%～40%, emulsifier 10%～20%, antifreezing agent 1%～5%, antifoaming agent 0.1%～0.5%, deionized water surplus.
The compound method of microemulsion: be that the former medicine of fluorine bacterium azoles, difenoconazole technical material are dissolved in the agitated reactor that solvent and cosolvent are housed; Give intense mixing and homogenize after joining emulsifier, antifreeze, antifoaming agent, deionized water in the agitated reactor that above-mentioned solution is housed, obtain the as clear as crystal fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole of outward appearance at last.
Described dispersant is selected from polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, in phonetic one or more of polyoxyethylene carboxylate, fatty acid glyceride polyoxyethylene.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described solvent and cosolvent are selected from acetonitrile, N, one or more in N dimethyl formamide, ethylene glycol, propane diols, ethanol, cyclohexanone, vegetable oil, N-methyl pyrrolidone, the N-octylpyrrolidone.
Described emulsifier is selected from alkyl benzene calcium sulfonate; The NPE phosphate; Phenyl phenol polyoxy ethyl ether phosphate; Styrene polyoxyethylene ether ammonium sulfate salt; Alkyl biphenyl ether disulfonic acid magnesium salts; Triethanolamine salt; Benzyl dimethyl phenol polyoxy ethyl ether; Phenyl phenol polyoxy ethyl ether; Alkylphenol-formaldehyde resin polyoxy ethyl ether; Phenethyl fluosite polyoxy ethyl ether; Phenethyl phenol polyoxy ethyl polypropylene-base ether; Ethylene oxide-propylene oxide block copolymer; NPE; Castor oil polyoxyethylene ether; Alkylaryl polyoxyethylene polyoxypropylene ether; The alkylaryl polyoxyethylene poly-oxygen propylene aether; Sorbitan monostearate; The sorbitan fatty acid ester APEO; In the pure APEO of fat one or more.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, the glycerine.
Described antifoaming agent is selected from: one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound.
Described thickener is selected from: one or more in xanthan gum, aluminium-magnesium silicate, polyvinyl alcohol, the polyethylene glycol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Composition of the present invention is mainly used in powdery mildew, scab, leaf spot, the spot defoliation of control vegetables and fruit tree.
Beneficial effect of the present invention: (1) present composition effective active composition fluorine bacterium azoles and Difenoconazole belong to the bactericide of two kinds of different effects mechanism, and both are mixed each other and can produce conflict; (2) present composition within the specific limits the antagonism disease have good synergistic effect, preventive effect is higher than single agent, dosage is little; (3) the present invention not with an organic solvent is not difficult for producing poisoning, is convenient to transportation and storage; (4) water-based formulation environmental pollution is little, and cost is low.
Embodiment
The present invention is explained 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.Through Toxicity Determination, the synergy ratio after clear and definite two kinds of medicaments are composite by a certain percentage on this basis, carries out field trial more earlier.
Practice example one and implement the prescription example
Embodiment 1 80% fluorine bacterium azoles Difenoconazole wetting powder
Fluorine bacterium azoles 60%, Difenoconazole 20%, polycarboxylate 4%, lauryl sodium sulfate 3%, moistening bleeding agent F 2%, white carbon 11%, mixture carries out comminution by gas stream, makes 80% fluorine bacterium azoles Difenoconazole wetting powder.
Embodiment 2 55% fluorine bacterium azoles Difenoconazole wetting powders
Fluorine bacterium azoles 15%, Difenoconazole 40%, polycarboxylate 4%, spaonin powder 4%, white carbon 10%, kaolin 27%, mixture carries out comminution by gas stream, makes 55% fluorine bacterium azoles Difenoconazole wetting powder.
Embodiment 3 40% fluorine bacterium azoles Difenoconazole wetting powders
Fluorine bacterium azoles 15%, Difenoconazole 25%, aliphatic amine polyoxyethylene are phonetic 4%, silkworm excrement 4%, white carbon 15%, bentonite 37%, and mixture carries out comminution by gas stream, makes 40% fluorine bacterium azoles Difenoconazole wetting powder.
Embodiment 4 70% fluorine bacterium azoles difenoconazole water dispersible granules
Fluorine bacterium azoles 15%, Difenoconazole 55%, polycarboxylate 3%, lignosulfonates 2%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch 19%, the mixed 70% fluorine bacterium azoles difenoconazole water dispersible granule that gets.
Embodiment 5 60% fluorine bacterium azoles difenoconazole water dispersible granules
Fluorine bacterium azoles 30%, Difenoconazole 30%, alkyl benzene sulfonate calcium salt 6%, soapberry powder 5%, urea 3%, starch 26%, the mixed 60% fluorine bacterium azoles difenoconazole water dispersible granule that gets.
Embodiment 6 35% fluorine bacterium azoles difenoconazole water dispersible granules
Fluorine bacterium azoles 20%, Difenoconazole 15%, polyoxyethylene carboxylate 5%, spaonin powder 5%, succinic acid 2%, ammonium sulfate 2%, starch 51%, the mixed 35% fluorine bacterium azoles difenoconazole water dispersible granule that gets.
Embodiment 7 45% fluorine bacterium azoles difenoconazole suspending agent
Fluorine bacterium azoles 10%, Difenoconazole 35%, polycarboxylate 2%, sodium lignin sulfonate 4%, DBSA 4%, silicone oil 0.1%, polyvinyl alcohol 0.2%, deionized water adds to 100%, mixed 45% fluorine bacterium azoles difenoconazole suspending agent.
Embodiment 8 30% fluorine bacterium azoles difenoconazole suspending agent
Fluorine bacterium azoles 13%, Difenoconazole 17%, fatty acid glyceride polyoxyethylene are phonetic 5%, Nekal BX 4%, silicone compound 0.1%, aluminium-magnesium silicate 0.5%, ethylene glycol 2%, deionized water add to 100%, mixed 30% fluorine bacterium azoles difenoconazole suspending agent.
Embodiment 9 15% fluorine bacterium azoles difenoconazole suspending agent
Fluorine bacterium azoles 10%, Difenoconazole 5%, aliphatic amine polyoxyethylene are phonetic 4%, silkworm excrement 4%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water add to 100%, mixed 15% fluorine bacterium azoles difenoconazole suspending agent.
Embodiment 10 48% fluorine bacterium azoles Difenoconazole aqueous emulsions
Fluorine bacterium azoles 25%, Difenoconazole 23%, cyclohexanone 15%, N; The pure APEO of N dimethyl formamide 8%, acetonitrile 5%, NPE phosphate 2%, alkyl biphenyl ether disulfonic acid magnesium salts 4%, fat 2%, ethylene glycol 4%, silicone compound 0.4%, deionized water are mended to 100%, make 48% fluorine bacterium azoles Difenoconazole aqueous emulsion.
Embodiment 11 20% fluorine bacterium azoles Difenoconazole aqueous emulsions
Fluorine bacterium azoles 8%, Difenoconazole 12%, cyclohexanone 13%, vegetable oil 8%, alkyl benzene calcium sulfonate 2%, benzyl dimethyl phenol polyoxy ethyl ether 2%, sorbitan monostearate 2%, ethylene glycol 4%, silicone compound 0.4%, deionized water are mended to 100%, make 20% fluorine bacterium azoles Difenoconazole aqueous emulsion by above-mentioned production technology.
Embodiment 12 5% fluorine bacterium azoles Difenoconazole aqueous emulsions
Fluorine bacterium azoles 3%, Difenoconazole 2%, acetonitrile 7%, styrene polyoxyethylene ether ammonium sulfate salt 4%, alkylphenol-formaldehyde resin polyoxy ethyl ether 2%, ethylene glycol 4%, silicone compound 0.4%, deionized water are mended to 100%, make 5% fluorine bacterium azoles Difenoconazole aqueous emulsion by above-mentioned production technology.
Embodiment 13 50% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole
Fluorine bacterium azoles 40%, Difenoconazole 10%, N-octylpyrrolidone 8%, N; N dimethyl formamide 11%, cyclohexanone 7%, phenethyl fluosite polyoxy ethyl ether 4%, triethanolamine salt 8%, ethylene glycol 2%, silicone compound 0.2%, deionized water are mended to 100%, process 50% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole by above-mentioned production technology.
Embodiment 14 25% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole
The pure APEO of fluorine bacterium azoles 15%, Difenoconazole 10%, vegetable oil 4%, N-Methyl pyrrolidone 8%, alkyl biphenyl ether disulfonic acid magnesium salts 6%, fat 8%, ethylene glycol 4%, silicone compound 0.2%, deionized water are mended to 100%, process 25% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole by above-mentioned production technology.
Embodiment 15 10% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole
Fluorine bacterium azoles 5%, Difenoconazole 5%, cyclohexanone 3%, N; N dimethyl formamide 6%, alkyl benzene calcium sulfonate 3%, alkylphenol-formaldehyde resin polyoxy ethyl ether 3%, ethylene glycol 4%, silicone compound 0.2%, deionized water are mended to 100%, process 10% fluorine bacterium azoles micro-emulsion of phenyl ether methyl cyclic-azole by above-mentioned production technology.
Practicing routine difluoro bacterium azoles and Difenoconazole is mixed to the wheat powdery mildew Toxicity Determination
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
Test medicine is provided with 5 dose concentrations respectively to be handled; If there is not the medicine contrast; Each concentration is handled repetition 4 times; Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", in culturing room, evenly shake off to receive on the cultured wheat seedling with the fresh spore of white powder germ on the wheat seedling of inoculation in advance and fully morbidity.Treat wheat powdery mildew germ their early stage, handle with the medicine liquid spray of above-mentioned concentration.Every processing repetition 4 times, 2 glasss of every repetitions, 4 every glass; Put into 20 ℃, 16L:8D cultivates in the illumination box of 60% relative moisture; The incidence of routine observation inoculation blade and newborn blade; After treating that control treatment was fully fallen ill about 8-10 days, begin to put down in writing an incidence of handling, and calculate disease index and protection effect thereof.Concentration-preventive effect is converted into corresponding logarithm-probit value, obtains virulence regression equation, calculate EC
50Value.
Computing formula is following:
Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect.
Wherein: a, b are respectively fluorine bacterium azoles and Difenoconazole shared ratio in combination
A is a fluorine bacterium azoles;
B is a Difenoconazole;
Result of the test is as shown in the table:
Table 1 fluorine bacterium azoles, Difenoconazole and composite to the wheat powdery mildew toxicity test
Can know by table 1; Fluorine bacterium azoles and Difenoconazole are composite to the wheat powdery mildew toxicity test, and fluorine bacterium azoles virulence is lower than the Difenoconazole virulence, and its proportioning is that 4: 1,2: 1,1: 1,1: 2,1: 4 o'clock synergy ratio is respectively 1.51,1.77,2.05,1.80,1.54; All show as synergistic effect; So fluorine bacterium azoles and Difenoconazole ratio had synergistic effect between 1: 4 the time at 4: 1, synergy ratio is maximum when fluorine bacterium azoles and Difenoconazole ratio are 1: 1, can be used as best proportioning.
Practice routine trifluoro bacterium azoles, Difenoconazole and the composite powdery mildew of cucumber field efficacy of preventing and treating thereof
This EE is in the Pucheng County, Shaanxi Province, and test medicine is provided by Shanxi Thompson Biological Technology Co., Ltd., and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, observes disease index behind the last medicine after 7 days, 14 days and calculates preventive effect.Result of the test is as follows:
Table 2 fluorine bacterium azoles, Difenoconazole and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | The preparation consumption | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine |
| Embodiment 1 | 5 gram/mus | ?84.12 | 89.77 |
| Embodiment 6 | 11 gram/mus | ?83.74 | 90.52 |
| Embodiment 7 | 10 gram/mus | ?84.06 | 92.75 |
| Embodiment 12 | 80 gram/mus | ?85.71 | 93.58 |
| Embodiment 14 | 16 gram/mus | ?84.62 | 91.75 |
| 30% triflumizole wettable powder | 18 gram/mus | ?76.14 | 81.43 |
| 25% Difenoconazole missible oil | 25 gram/mus | ?72.44 | 82.99 |
Result of the test shows, can effectively prevent the generation of powdery mildew of cucumber after fluorine bacterium azoles and Difenoconazole are composite, and preventive effect is superior to contrasting single agent, and dosage is little, the test scope of medication in to crop safety.
Practice routine tetrafluoro bacterium azoles, Difenoconazole and composite control banana freckle field control effectiveness test thereof
This EE is in the Guangxi province Nanning suburban district, and test medicine is provided by Shanxi Thompson Biological Technology Co., Ltd., and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 6 times, checks disease index and calculates preventive effect in 7 days, 30 days behind the last medicine.Result of the test is as follows:
Table 3 fluorine bacterium azoles, Difenoconazole and the composite control banana freckle test of pesticide effectiveness thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| Embodiment 2 | 9000 times | ?91.27 | 90.47 |
| Embodiment 4 | 12000 times | ?92.41 | 92.35 |
| Embodiment 8 | 5000 times | ?91.62 | 92.15 |
| Embodiment 10 | 8000 times | ?94.75 | 93.74 |
| Embodiment 15 | 1500 times | ?96.37 | 94.02 |
| 30% triflumizole wettable powder | 3000 times | ?83.62 | 85.31 |
| 25% Difenoconazole missible oil | 2500 times | ?85.72 | 84.00 |
Result of the test shows; Can effectively prevent banana freckle after fluorine bacterium azoles and Difenoconazole are composite; Has obvious synergistic effect; Preventive effect obviously is superior to contrasting single agent, has quick-acting and long-acting advantage, and crop safety inventor in experiment finds that the present composition has good preventive effect to sigatoka in this experimental drug scope.
Practice routine five fluorine bacterium azoles, Difenoconazole and composite control alternaria leaf spot of apple field control effectiveness test thereof
This EE is Luochuan County in Shaanxi Province; Test medicine is provided by Shanxi Thompson Biological Technology Co., Ltd., begins dispenser in the alternaria leaf spot of apple their early stage, and dispenser in per seven days once; Dispenser is 5 times altogether, checks disease index and calculates preventive effect in 7 days, 30 days behind the last medicine.Result of the test is as follows:
Table 4 fluorine bacterium azoles, Difenoconazole and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| Embodiment 3 | 7000 times | ?89.37 | 94.77 |
| Embodiment 5 | 10000 times | ?90.26 | 95.16 |
| Embodiment 9 | 2500 times | ?91.49 | 93.74 |
| Embodiment 11 | 3000 times | ?90.75 | 94.75 |
| Embodiment 13 | 8000 times | ?88.74 | 93.09 |
| 30% triflumizole wettable powder | 2500 times | ?81.29 | 82.74 |
| 25% Difenoconazole missible oil | 2000 times | ?82.74 | 85.66 |
Result of the test shows; The composite back of fluorine bacterium azoles and Difenoconazole has obvious synergistic effect to the control of alternaria leaf spot of apple; Preventive effect all is superior to contrasting single agent; Have quick-acting and long-acting advantage, crop safety in this experimental drug scope, and to apple mildew after 30 days preventive effect reach more than 80%.
Claims (5)
1. the bactericidal composition of a fluorine-containing bacterium azoles, its effective active composition is fluorine bacterium azoles and Difenoconazole, wherein the weight ratio of fluorine bacterium azoles and Difenoconazole is 5～40: 40～5.
2. the bactericidal composition of fluorine-containing bacterium azoles according to claim 1 is characterized in that: wherein the weight ratio of fluorine bacterium azoles and Difenoconazole is 10～30: 30～10.
3. the bactericidal composition of fluorine-containing bacterium azoles according to claim 1 and 2 is characterized in that: composition is processed wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion.
4. the bactericidal composition of fluorine-containing bacterium azoles according to claim 3 is characterized in that: composition effective active composition total content is 2～80%.
5. the purposes that is used to prevent and treat crop powdery mildew, scab, leaf spot, spot defoliation according to the bactericidal composition of the described fluorine-containing bacterium azoles of one of claim 1 to 4.
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|---|---|---|---|---|
| CN101019535A (en) * | 2007-02-14 | 2007-08-22 | 山东省烟台市农业科学研究院 | Germicide composition containing captan and possessing synergy |
| CN101204153A (en) * | 2007-12-06 | 2008-06-25 | 张少武 | Triflumizole water dispersant and preparation method thereof |
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| CN101019535A (en) * | 2007-02-14 | 2007-08-22 | 山东省烟台市农业科学研究院 | Germicide composition containing captan and possessing synergy |
| CN101204153A (en) * | 2007-12-06 | 2008-06-25 | 张少武 | Triflumizole water dispersant and preparation method thereof |
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