CN101632364B - Sterilization composition - Google Patents
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- CN101632364B CN101632364B CN 200910203321 CN200910203321A CN101632364B CN 101632364 B CN101632364 B CN 101632364B CN 200910203321 CN200910203321 CN 200910203321 CN 200910203321 A CN200910203321 A CN 200910203321A CN 101632364 B CN101632364 B CN 101632364B
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Abstract
The invention relates to a sterilization composition which comprises the effective gradients of ethirimol or bupirimate and triazole fungicide, wherein the mass ratio of the ethirimol or bupirimate to the triazole fungicide is 50: 1-1: 50, and the preferable mass ratio is 20: 1-1: 20. The invention has remarkable synergic effect after the ethirimol or the bupirimate and the triazole fungicide are compounded, and is used for preventing and treating diseases, in particular to fungous diseases of crops, such as fruit trees, cottons, rice, vegetables, and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition that contains the phonetic phenol of second or bupirimate and triazole bactericidal agent.
Background technology
In recent years, because single drug and the medication of non-science have caused many diseases that the agricultural chemicals of current use has been produced resistance,, become a great problem of chemical control like powdery mildew of cucumber, wheat powdery mildew, grape powdery mildew, sigatoka etc.Simultaneously, frequent dispenser causes peasant burden to increase the weight of and increasing environmental pollution again.Therefore, be badly in need of the bactericide new varieties of efficient, low toxicity, environmental protection.
Phonetic phenol of second or bupirimate are adenosine deaminase inhibitors, are systemic fungicides, have protection and therapeutic action.Can be absorbed rapidly by plant roots, stem, leaf, and in plant corpus, run to each position, so resistance of rainwater washing against.Lasting period 10～14d after the dispenser.There is not cross resistance with conventional dose.
Triazole bactericidal agent bactericidal mechanism principle is very complicated, mainly is the biosynthesis that suppresses the thalline ergosterol, thereby the growth, the growth of mycelia and the formation of spore that suppress or disturb thalline to adhere to spore and haustorium.Better to the powdery mildew effect, but the risk that exists resistance to strengthen.
In view of this, the necessary efficient bactericidal composite that uses on a kind of suitable agricultural that provides.
Summary of the invention
The objective of the invention is to: the efficient bactericidal composite that synergistic effect is arranged that uses on a kind of suitable agricultural, disease had outstanding control efficiency is provided.
For solving the problems of the technologies described above, the inventor is through a large amount of biologicall test screenings, and unexpected discovery phonetic phenol of second or bupirimate and triazole bactericidal agent are composite with certain proportion, and some diseases are had significant synergies.
On the basis of above-mentioned discovery; Through composition is carried out symphyogenetic quantitative study and analysis; Formed technical scheme of the present invention; Promptly be a kind of active ingredient, be another active ingredient that with phonetic phenol of second or bupirimate the mass ratio of the phonetic phenol of second or bupirimate and triazole bactericidal agent is 50: 1-1 with triazole bactericidal agent: 50, ratio is 20 preferably: 1-1: 20; Said triazole bactericidal agent is Difenoconazole, own azoles alcohol, propiconazole, Tebuconazole, fluorine ring azoles, Flusilazole, penconazole, fluorine bacterium azoles, nitrile bacterium azoles or Flutriafol.
The present composition can be prepared into known method and be fit to the formulation that agricultural is used, and the total content of active ingredient is 5%-80% in the preparation.
The adjuvant that uses in the composition of the present invention comprises that dispersant, wetting agent, antifreezing agent, bleeding agent etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in storing and using; All be the various compositions of using or allow use in the pesticidal preparations always; Do not have special qualification, concrete composition and consumption require to confirm through simple experiment according to prescription.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly in bucket or jar, directly mixes before the use, is diluted to required concentration then.
Bactericidal composition of the present invention is mainly used in the disease of crops such as fruit tree, cotton, paddy rice, vegetables, especially fungal disease control.
Compared with prior art, the beneficial effect of the present invention's generation is: (1) is compared with single agent, and this bactericidal composition has tangible synergy to disease, has improved control efficiency; (2) can significantly reduce the field dosage, effectively reduce environmental pollution and residue of pesticide, and reduce and produce and use cost; (3) mechanism of action of active ingredient is different in the bactericidal composition, the generation that helps overcoming the disease resistance He delay disease drug resistance.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.
With the combination of active principles of different agricultural chemicals change into carry out composite, be solve at present in the agricultural chemicals list agent application process variety of issue a kind of effectively with mode efficiently.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.But be specially which kind of effect, unpredictable, have only through a large amount of tests and just can know.Compound synergic is well filled a prescription, owing to obviously improved actual control efficiency, reduced the usage amount of agricultural chemicals, thereby delayed the generation of disease drug resistance widely, and be the important means of integrated control.
The present composition is an active ingredient with the phonetic phenol of second or bupirimate and triazole bactericidal agent; Combination antagonistic drug venereal disease evil has obvious role in synergism between them; And be not only the simple addition of two kinds of medicament effects, specifically explain with following biologicall test instance.
Biologicall test instance 1: the composite toxicity test of phonetic phenol of second or bupirimate and triazole bactericidal agent to powdery mildew of cucumber
Subjects: powdery mildew of cucumber germ
Test is with reference to " pesticide bioassay technology " (old spring chief editor, publishing house of Beijing Agricultural University publishes), and the potted plant determination method of powdery mildew of cucumber is adopted in " agricultural chemicals indoor bioassay test rule NY/T1156.2-2006 " this test.On the basis of preliminary experiment; Select 2 leaf periods, the consistent melon seedling of growing way; Write tag number, insert in the potted plant cucumber seedling basin with permanent pen, the foliar spray method is adopted in discharging according to the order of sequence; Medicament is sprayed on the melon seedling leaf, will tries material after spraying is handled and in fume hood or greenhouse, dry in the shade and inoculate behind the 24h.In the greenhouse, cultivate 7d investigation prevention effect, grade scale is carried out State Standard of the People's Republic of China " pesticide field efficacy medicine test criterion () ", calculates control efficiency with disease index, carries out statistical analysis with the DPS data processing software, calculates the EC of each medicament
50, press the abundant method of Sun Yun then and calculate co-toxicity coefficient (CTC).
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC>=120, then the composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ confession reagent agent EC
50) * 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)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
Biologicall test instance 2: the composite toxicity test of phonetic phenol of second or bupirimate and triazole bactericidal agent to wheat powdery mildew
Subjects: wheat powdery mildew
Test is with reference to " pesticide bioassay technology " (old spring chief editor, publishing house of Beijing Agricultural University publishes), and the potted plant determination method of wheat powdery mildew is adopted in " agricultural chemicals indoor bioassay test rule NY/T1156.2-2006 " this test.On the basis of preliminary experiment; Selection is in the wheat seedling of 3 leaf phases, growing way unanimity; Write tag number, insert in the potted plant wheat seedling basin with permanent pen, the foliar spray method is adopted in discharging according to the order of sequence; Medicament is sprayed on the melon seedling leaf, will tries material after spraying is handled and in fume hood or greenhouse, dry in the shade and inoculate behind the 24h.In the greenhouse, cultivate 7d investigation prevention effect, grade scale is carried out State Standard of the People's Republic of China " pesticide field efficacy medicine test criterion () ", calculates control efficiency with disease index, carries out statistical analysis with the DPS data processing software, calculates the EC of each medicament
50, press the abundant method of Sun Yun then and calculate co-toxicity coefficient (CTC).
Mensuration result shows that the proportioning of the phonetic phenol of second or bupirimate and triazole bactericidal agent is 50: 1-1: in the time of between 50, have obvious synergistic effect; 20: 1-1: in the time of between 20; Synergistic effect is obvious, and co-toxicity coefficient is more than 151.0, and experimental data sees also table 1-7.
The serial proportioning of table 1 composition is measured the result to the Toxicity Determination result of powdery mildew of cucumber
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | / |
| Difenoconazole | 17.02 | 200.5 | / | / |
| Bupirimate 50: Difenoconazole 1 | 20.07 | 170.0 | 102.0 | 166.7 |
| Bupirimate 20: Difenoconazole 1 | 15.62 | 218.4 | 104.8 | 208.5 |
| Bupirimate 10: Difenoconazole 1 | 13.85 | 246.4 | 109.1 | 225.7 |
| Bupirimate 5: Difenoconazole 1 | 12.22 | 279.2 | 116.7 | 239.2 |
| Bupirimate 1: Difenoconazole 1 | 9.57 | 356.5 | 150.2 | 237.3 |
| Bupirimate 1: Difenoconazole 5 | 8.28 | 412.1 | 183.7 | 224.3 |
| Bupirimate 1: Difenoconazole 20 | 7.94 | 429.7 | 195.7 | 219.6 |
| Bupirimate 1: Difenoconazole 50 | 8.72 | 391.3 | 198.5 | 197.1 |
The serial proportioning of table 2 composition is measured the result to the Toxicity Determination result of wheat powdery mildew
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | / |
| Own azoles alcohol | 18.02 | 189.3 | / | / |
| Bupirimate 50: own azoles alcohol 1 | 21.07 | 161.9 | 101.8 | 159.1 |
| Bupirimate 20: own azoles alcohol 1 | 16.62 | 205.3 | 104.3 | 196.9 |
| Bupirimate 10: own azoles alcohol 1 | 14.85 | 229.8 | 108.1 | 212.5 |
| Bupirimate 5: own azoles alcohol 1 | 12.67 | 269.3 | 114.9 | 234.4 |
| Bupirimate 1: own azoles alcohol 1 | 9.37 | 364.1 | 144.7 | 251.7 |
| Bupirimate 1: Fluoxastrobin 5 | 8.38 | 407.2 | 174.5 | 233.4 |
| Bupirimate 1: own azoles alcohol 20 | 8.64 | 394.9 | 185.1 | 213.4 |
| Bupirimate 1: own azoles alcohol 50 | 9.92 | 344.0 | 187.6 | 183.3 |
The serial proportioning of table 3 composition is measured the result to the Toxicity Determination result of powdery mildew of cucumber
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | ?/ |
| Tebuconazole | 19.82 | 172.1 | / | ?/ |
| Bupirimate 50: Tebuconazole 1 | 21.77 | 156.7 | 101.4 | ?154.5 |
| Bupirimate 20: Tebuconazole 1 | 17.62 | 193.6 | 103.4 | 187.2 |
| Bupirimate 10: Tebuconazole 1 | 15.72 | 217.0 | 106.6 | 203.7 |
| Bupirimate 5: Tebuconazole 1 | 13.17 | 259.1 | 112.0 | 231.3 |
| Bupirimate 1: Tebuconazole 1 | 9.42 | 362.2 | 136.1 | 266.2 |
| Bupirimate 1: Tebuconazole 5 | 8.79 | 388.2 | 160.1 | 242.4 |
| Bupirimate 1: Tebuconazole 20 | 10.64 | 320.7 | 168.7 | 190.1 |
| Bupirimate 1: Tebuconazole 50 | 13.92 | 245.1 | 170.7 | 143.6 |
The serial proportioning of table 4 composition is measured the result to the Toxicity Determination result of wheat powdery mildew
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | / |
| Propiconazole | 19.25 | 177.2 | / | / |
| Bupirimate 50: propiconazole 1 | 22.87 | 149.2 | 101.5 | 147.0 |
| Bupirimate 20: propiconazole 1 | 18.52 | 184.2 | 103.7 | 177.7 |
| Bupirimate 10: propiconazole 1 | 16.22 | 210.4 | 107.0 | 196.6 |
| Bupirimate 5: propiconazole 1 | 13.87 | 246.0 | 112.9 | 217.9 |
| Bupirimate 1: propiconazole 1 | 10.42 | 327.4 | 138.6 | 236.2 |
| Bupirimate 1: propiconazole 5 | 9.79 | 348.5 | 164.4 | 212.0 |
| Bupirimate 1: propiconazole 20 | 10.57 | 322.8 | 173.6 | 186.0 |
| Bupirimate 1: propiconazole 50 | 12.92 | 264.1 | 175.7 | 150.3 |
The serial proportioning of table 5 composition is measured the result to the Toxicity Determination result of wheat powdery mildew
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | / |
| Fluorine ring azoles | 19.65 | 173.6 | / | / |
| Bupirimate 50: fluorine ring azoles 1 | 23.67 | 144.1 | 101.4 | 142.1 |
| Bupirimate 20: fluorine ring azoles 1 | 19.62 | 173.9 | 103.5 | 168.0 |
| Bupirimate 10: fluorine ring azoles 1 | 17.32 | 197.0 | 106.7 | 184.6 |
| Bupirimate 5: fluorine ring azoles 1 | 14.65 | 232.9 | 112.3 | 207.4 |
| Bupirimate 1: fluorine ring azoles 1 | 11.63 | 293.4 | 136.8 | 214.4 |
| Bupirimate 1: fluorine ring azoles 5 | 10.69 | 319.2 | 161.4 | 197.8 |
| Bupirimate 1: fluorine ring azoles 20 | 11.61 | 293.9 | 170.1 | 172.7 |
| Bupirimate 1: fluorine ring azoles 50 | 13.72 | 248.7 | 172.2 | 144.4 |
The serial proportioning of table 6 composition is measured the result to the Toxicity Determination result of wheat powdery mildew
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Bupirimate | 34.12 | 100 | / | / |
| Flusilazole | 19.35 | 176.3 | / | / |
| Bupirimate 50: Flusilazole 1 | 24.67 | 138.3 | 101.5 | 136.3 |
| Bupirimate 20: Flusilazole 1 | 20.72 | 164.7 | 103.6 | 158.9 |
| Bupirimate 10: Flusilazole 1 | 18.52 | 184.2 | 106.9 | 172.3 |
| Bupirimate 5: Flusilazole 1 | 15.75 | 216.6 | 112.7 | 192.2 |
| Bupirimate 1: Flusilazole 1 | 12.73 | 268.0 | 138.2 | 194.0 |
| Bupirimate 1: Flusilazole 5 | 11.59 | 294.4 | 163.6 | 179.9 |
| Bupirimate 1: Flusilazole 20 | 12.61 | 270.6 | 172.7 | 156.7 |
| Bupirimate 1: Flusilazole 50 | 14.72 | 231.8 | 174.8 | 132.6 |
The serial proportioning of table 7 composition is measured the result to the Toxicity Determination result of wheat powdery mildew
| Handle | EC 50(μ g/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The phonetic phenol of second | 38.12 | 100 | / | / |
| Nitrile bacterium azoles | 20.15 | 189.2 | / | / |
| Bupirimate 50: nitrile bacterium azoles 1 | 24.13 | 158.0 | 101.7 | 155.3 |
| Bupirimate 20: nitrile bacterium azoles 1 | 21.72 | 175.5 | 104.2 | 168.4 |
| Bupirimate 10: nitrile bacterium azoles 1 | 19.52 | 195.3 | 108.1 | 180.6 |
| Bupirimate 5: nitrile bacterium azoles 1 | 16.35 | 233.1 | 114.9 | 203.0 |
| Bupirimate 1: nitrile bacterium azoles 1 | 11.73 | 325.0 | 144.6 | 224.8 |
| Bupirimate 1: nitrile bacterium azoles 5 | 12.34 | 308.9 | 174.3 | 177.2 |
| Bupirimate 1: nitrile bacterium azoles 20 | 13.11 | 290.8 | 184.9 | 157.2 |
| Bupirimate 1: nitrile bacterium azoles 50 | 15.12 | 252.1 | 187.4 | 134.5 |
Bactericidal composition of the present invention can be prepared into known method and be fit to the wetting powder that agricultural is used.
Below describe with specific embodiment, percentage is mass percent in the prescription.
The agent of embodiment 1:51% bupirimate difenoconazole suspending
Bupirimate 50%
Difenoconazole 1%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Xanthans 1%
Bentonite 1%
Glycerine 1%
Water complements to 100%.
Each component such as active component, dispersant, wetting agent and water is even by the mixed of prescription, after grinding and/or high speed shear, obtain 51% bupirimate difenoconazole suspending agent.
This embodiment is applied to prevent and treat powdery mildew of cucumber.By 2500 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 94.5%, 90.2% behind the medicine with 51% bupirimate difenoconazole suspending agent.50% bupirimate suspending agent by 2000 times with 5% difenoconazole suspending agent by 1000 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 90.1%, 74.9% and 88.9%, 73.6% behind the medicine.The synergistic effect of the composite back of bupirimate and Difenoconazole is obvious, and the preventive effect of powdery mildew of cucumber obviously is better than single agent.
Embodiment 2:20% bupirimate hexaconazole aqueous emulsion
Bupirimate 15%
Own azoles alcohol 5%
N-Methyl pyrrolidone 10%
Calcium dodecyl benzene sulfonate 5%
The newborn 600# 5% of farming
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 20% bupirimate hexaconazole aqueous emulsion.
This embodiment is applied to prevent and treat wheat powdery mildew.By 1500 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 90.7%, 83.9% behind the medicine with 20% bupirimate hexaconazole aqueous emulsion.20% bupirimate suspending agent by 1500 times with 10% hexaconazole suspending agent by 1000 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 83.3%, 79.2% and 80.8%, 78.4% behind the medicine.The composite back synergistic effect of bupirimate and own azoles alcohol is obvious, and the preventive effect of wheat powdery mildew obviously is better than single agent.
Embodiment 3:5% bupirimate tebuconazole microemulsion
Bupirimate 2.5%
Tebuconazole 2.5%
N-Methyl pyrrolidone 10%
Isopropyl alcohol 15%
The newborn 500# 5% of farming
The newborn 1601# 5% of farming
Water complements to 100%.
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 5% bupirimate tebuconazole microemulsion.
This embodiment is applied to prevent and treat grape powdery mildew.By 500 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 83.2%, 80.3% behind the medicine with 5% bupirimate tebuconazole microemulsion.5% bupirimate suspending agent by 500 times with 5% tebuconazole suspension concentrates by 500 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 76.4%, 77.9% and 70.1%, 74.8% behind the medicine.The synergistic effect of the composite back of bupirimate and Tebuconazole is obvious, and the preventive effect of grape powdery mildew obviously is better than single agent.
Embodiment 4:27.5% bupirimate fluorine ring azoles microemulsion
Bupirimate 2.5%
Fluorine ring azoles 25%
N-Methyl pyrrolidone 5%
Isopropyl alcohol 7.5%
The newborn 500# 4.5% of farming
The newborn 1601# 4.5% of farming
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 27.5% bupirimate fluorine ring azoles microemulsion.
This embodiment is applied to prevent and treat apple mildew.By 1000 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 91.9%, 90.3% behind the medicine with 27.5% bupirimate fluorine ring azoles microemulsion.5% bupirimate missible oil by 1000 times with 25% fluorine ring azoles missible oil by 800 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 76.4%, 88.9% and 70.1%, 85.1% behind the medicine.The synergistic effect of the composite back of bupirimate and fluorine ring azoles is obvious, and the preventive effect of apple mildew obviously is better than single agent.
Embodiment 5:31% bupirimate Flusilazole wetting powder
Bupirimate 1%
Flusilazole 30%
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 5%
Naphthalene sulfonate 3%
Kaolin complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 31% bupirimate Flusilazole wetting powder.
This embodiment uses joint melon powdery mildew.By 1500 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 95.7%, 87.5% behind the medicine with 31% bupirimate Flusilazole wetting powder.5% bupirimate suspending agent by 1000 times with 30% Flusilazole missible oil by 1000 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 73.9%, 90.9% and 68.9%, 87.5% behind the medicine.The composite back synergistic effect of bupirimate and Flusilazole is obvious, and the preventive effect that saves the melon powdery mildew obviously is better than single agent.
The phonetic phenol propiconazole emulsifiable concentrate of embodiment 6:41% second
The phonetic phenol 1% of second
Propiconazole 40%
N-Methyl pyrrolidone 10%
DMF 10％
The newborn 1601# 5% of farming
The newborn 500# 5% of farming
Xylol complements to 100%.
Active component, emulsifier and the auxiliary agent ratio in prescription is added in the mixing kettle successively, stir, make the phonetic phenol propiconazole emulsifiable concentrate of 41% second.
This embodiment is applied to sigatoka.By 3000 extraordinarily water dilution sprayings, the control efficiency of 7 days and 15 days is respectively 94.9%, 89.7% behind the medicine with the phonetic phenol propiconazole emulsifiable concentrate of 41% second.The phonetic phenol suspending agent of 5% second by 600 times with 40% propiconazole emulsifiable concentrate by 2000 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 73.9%, 91.7% and 68.8%, 89.6% behind the medicine.Synergistic effect is obvious behind phonetic phenol of second and the propiconazole compound, and the preventive effect of sigatoka obviously is better than single agent.
The phonetic phenol nitrile of embodiment 7:80% second bacterium azoles water dispersible granules
The phonetic phenol 30% of second
Nitrile bacterium azoles 50%
Alkyl is sodium sulfonate 4% how
Sodium lignin sulfonate 2%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin to 100%
Active component, dispersant, wetting agent, disintegrant and filler is even by the mixed of prescription, become wetting powder through comminution by gas stream, add a certain amount of water extrusion again and make material.After dry screened, obtain the phonetic phenol nitrile of 80% second bacterium azoles water dispersible granules.
This embodiment is applied to prevent and treat wheat powdery mildew.With extraordinarily water dilution spraying of the phonetic phenol nitrile of 80% second bacterium azoles water dispersible granules 4000, the control efficiency of 7 days and 15 days is respectively 97.9%, 93.7% behind the medicine.30% ethirimol water dispersible granules by 2000 times with 50% nitrile bacterium azoles water dispersible granules by 2500 times, use with the quadrat method use, the preventive effect of 7 days and 15 days is respectively 91.5%, 92.9% and 82.6%, 89.4% behind the medicine.Synergistic effect is obvious behind phonetic phenol of second and the myclobutanil compositional, and the preventive effect of wheat powdery mildew obviously is better than single agent.
Claims (3)
1. bactericidal composition; It is characterized in that: contain the phonetic phenol of second or bupirimate and triazole bactericidal agent in the said bactericidal composition; Said triazole bactericidal agent is fluorine ring azoles, Flusilazole or propiconazole, and the mass ratio of the phonetic phenol of said second or bupirimate and triazole bactericidal agent is 50: 1-1: 50.
2. according to the said bactericidal composition of claim 1, it is characterized in that: the mass ratio of the phonetic phenol of second or bupirimate and triazole bactericidal agent is 20: 1-1: 20.
3. according to the said bactericidal composition of claim 1, it is characterized in that: phonetic phenol of second or bupirimate and the triazole bactericidal agent gross mass percentage composition in bactericidal composition is 5%-80%.
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| CN102106349B (en) * | 2009-12-23 | 2013-06-12 | 中国中化股份有限公司 | Antifungal composition containing tebuconazole and pyrimidine compound |
| CN101731226B (en) * | 2010-01-05 | 2013-01-23 | 陕西美邦农资贸易有限公司 | Bactericidal composition containing ethirimol and penconazole |
| CN101828558B (en) * | 2010-02-03 | 2013-06-05 | 陕西美邦农资贸易有限公司 | Bactericidal composition containing propiconazole and hexaconazole |
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| CN103719103A (en) * | 2010-12-07 | 2014-04-16 | 陕西韦尔奇作物保护有限公司 | Flutriafol-containing sterilization composite |
| CN102007914A (en) * | 2010-12-26 | 2011-04-13 | 陕西韦尔奇作物保护有限公司 | Triflumizole-containing synergistic sterilization composition |
| CN102823621A (en) * | 2012-08-28 | 2012-12-19 | 西安近代化学研究所 | Sterilization composition containing bupirimate and flusilazole |
| CN103719098B (en) * | 2012-10-15 | 2016-05-18 | 海利尔药业集团股份有限公司 | A kind of bactericidal composition that contains bupirimate and Difenoconazole |
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