CN101647466B - Sterilization combination - Google Patents
Sterilization combination Download PDFInfo
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- CN101647466B CN101647466B CN 200910160790 CN200910160790A CN101647466B CN 101647466 B CN101647466 B CN 101647466B CN 200910160790 CN200910160790 CN 200910160790 CN 200910160790 A CN200910160790 A CN 200910160790A CN 101647466 B CN101647466 B CN 101647466B
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- cyazofamid
- phosethyl
- bactericidal composition
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- 230000001954 sterilising effect Effects 0.000 title abstract 2
- 238000004659 sterilization and disinfection Methods 0.000 title abstract 2
- 239000005754 Cyazofamid Substances 0.000 claims abstract description 91
- YXKMMRDKEKCERS-UHFFFAOYSA-N cyazofamid Chemical compound CN(C)S(=O)(=O)N1C(C#N)=NC(Cl)=C1C1=CC=C(C)C=C1 YXKMMRDKEKCERS-UHFFFAOYSA-N 0.000 claims abstract description 91
- OIPMQULDKWSNGX-UHFFFAOYSA-N bis[[ethoxy(oxo)phosphaniumyl]oxy]alumanyloxy-ethoxy-oxophosphanium Chemical compound [Al+3].CCO[P+]([O-])=O.CCO[P+]([O-])=O.CCO[P+]([O-])=O OIPMQULDKWSNGX-UHFFFAOYSA-N 0.000 claims abstract description 88
- 201000010099 disease Diseases 0.000 claims abstract description 18
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 18
- 241000233654 Oomycetes Species 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims abstract description 3
- 244000299507 Gossypium hirsutum Species 0.000 claims abstract description 3
- 240000007594 Oryza sativa Species 0.000 claims abstract description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 3
- 235000021307 Triticum Nutrition 0.000 claims abstract description 3
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 3
- 235000009566 rice Nutrition 0.000 claims abstract description 3
- 235000013311 vegetables Nutrition 0.000 claims abstract description 3
- 241000209140 Triticum Species 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 41
- 230000000844 anti-bacterial effect Effects 0.000 claims description 22
- 239000000375 suspending agent Substances 0.000 claims description 17
- 238000009736 wetting Methods 0.000 claims description 17
- 239000004562 water dispersible granule Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 239000004480 active ingredient Substances 0.000 claims description 9
- 238000009472 formulation Methods 0.000 claims description 2
- 241000607479 Yersinia pestis Species 0.000 claims 1
- 239000003814 drug Substances 0.000 description 35
- 230000002195 synergetic effect Effects 0.000 description 18
- 241000233679 Peronosporaceae Species 0.000 description 17
- 239000002270 dispersing agent Substances 0.000 description 17
- 239000002131 composite material Substances 0.000 description 16
- 240000008067 Cucumis sativus Species 0.000 description 14
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 230000003449 preventive effect Effects 0.000 description 14
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 12
- 240000003768 Solanum lycopersicum Species 0.000 description 12
- 230000001988 toxicity Effects 0.000 description 10
- 231100000419 toxicity Toxicity 0.000 description 10
- 239000000945 filler Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000080 wetting agent Substances 0.000 description 7
- 206010039509 Scab Diseases 0.000 description 6
- 230000003902 lesion Effects 0.000 description 6
- 239000005995 Aluminium silicate Substances 0.000 description 5
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 5
- 239000003905 agrochemical Substances 0.000 description 5
- 235000012211 aluminium silicate Nutrition 0.000 description 5
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 238000011081 inoculation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 231100000820 toxicity test Toxicity 0.000 description 4
- 241000233614 Phytophthora Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 230000000857 drug effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000002566 Capsicum Nutrition 0.000 description 2
- 240000008574 Capsicum frutescens Species 0.000 description 2
- 102100025287 Cytochrome b Human genes 0.000 description 2
- 108010075028 Cytochromes b Proteins 0.000 description 2
- 240000008415 Lactuca sativa Species 0.000 description 2
- 235000003228 Lactuca sativa Nutrition 0.000 description 2
- 244000302512 Momordica charantia Species 0.000 description 2
- 235000009811 Momordica charantia Nutrition 0.000 description 2
- 235000009812 Momordica cochinchinensis Nutrition 0.000 description 2
- 235000018365 Momordica dioica Nutrition 0.000 description 2
- 244000183278 Nephelium litchi Species 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000001390 capsicum minimum Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000012136 culture method Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- XUZHLZDRCCUWEV-UHFFFAOYSA-N formaldehyde;methyl naphthalene-1-sulfonate Chemical compound O=C.C1=CC=C2C(S(=O)(=O)OC)=CC=CC2=C1 XUZHLZDRCCUWEV-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241001281805 Pseudoperonospora cubensis Species 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- BSDQITJYKQHXQR-UHFFFAOYSA-N methyl prop-2-eneperoxoate Chemical compound COOC(=O)C=C BSDQITJYKQHXQR-UHFFFAOYSA-N 0.000 description 1
- 230000002438 mitochondrial effect Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a sterilization combination which comprises the effective components of cyazofamid (A) and phosethyl-Al (B). The mass proportion of A and B is 50:1 to 1:80. After combination, A and B have obvious synergism to be used for preventing and treating disease of crops such as fruit trees, flowers, cottons, wheat, rice, rapes, vegetables and the like, in particular to control of oomycetes diseases.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition that contains active ingredient cyazofamid and phosethyl-Al.
Background technology
In recent years, because single drug and unscientific medication have caused many diseases that agricultural chemicals has been produced resistance, become a great problem of chemical control.Simultaneously, 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, low toxicity, environmental protection.
The oomycetes disease is the very important disease of a class on the crops, often causes the heavy losses of crops, such as cucumber downy mildew and tomato late blight etc.Cucumber downy mildew is a kind of dangerous disease more common on the cucumber cultivation, it have propagate fast, short incubation period, serious characteristics break with tremendous force, cause harm.Low temperature and high relative humidity is that downy mildew occurs and popular key factor.Tomato late blight is a kind of universal destructive disease, and its pathogen Race is frequent.
Cyazofamid, English common name Cyazofamid, chemical name 4-chloro-2-cyano group-5-p-methylphenyl-imidazoles-1-N, N-dimethyl methyl acid amides, it is a kind of mitochondrial respiratory inhibitor of Japanese Ishihara Sangyo Kaisha, Ltd. exploitation, act on the Qi site among the cytochrome b c1, be different from methoxy acrylate bactericide (being Q0 inhibitor among the cytochrome b c1).Cyazofamid has good prolection, and the lasting period is long, and resistance of rainwater washing against, also has certain interior suction and therapeutic activity.Cyazofamid all has effect to all vegetative stages of oomycetes, can prevent and treat downy mildew and epidemic disease.
Phosethyl-Al, English general Phosethyl-Al by name has protection and therapeutic action; it is long kind of lasting period in the present systemic fungicide; phytophthora root rot and downy mildew are had better control efficiency, but use separately dosage very large, germ easily produces resistance.
In view of this, necessary safety, the efficient bactericidal composite that uses on a kind of suitable agricultural that provide.
Summary of the invention
The object of the invention is to: the safety, the efficient bactericidal composite that use on a kind of suitable agricultural, the Oomycete disease had outstanding control efficiency are provided.
For solving the problems of the technologies described above, the inventor is by a large amount of biologicall test screenings, and unexpected discovery cyazofamid and phosethyl-Al are composite with certain proportion, and the Oomycete disease is had significant synergistic effect.
On the basis of above-mentioned discovery, through composition is carried out symphyogenetic quantitative analysis, formed technical scheme of the present invention, namely take cyazofamid as a kind of active ingredient, take phosethyl-Al as another active ingredient, the mass ratio of cyazofamid and phosethyl-Al is 50: 1-1: 80, and ratio is 20 preferably: 1-1: 50.
The present composition can be prepared into known method the formulation that is fit to agricultural use, and the total content of active ingredient is 10%-90% in the preparation.
The adjuvant that uses in the composition of the present invention comprises that dispersant, wetting agent, carrier and other are of value to the known substance of active ingredient stable and drug effect performance in storing and using etc., all be various compositions commonly used in the pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to prescription.
Composition described in the invention can the finished product preparation form provide, and namely each material mixes in the composition, and the composition of composition also can provide with the single dose form, directly directly mixes in bucket or tank before the use, then is diluted to required concentration.
Bactericidal composition of the present invention is mainly used in the disease of the crops such as fruit tree, flowers, cotton, wheat, paddy rice, rape, vegetables, especially oomycetes disease control.
Compared with prior art, the beneficial effect of the present invention's generation is: (1) is compared with single dose, and this bactericidal composition has obvious synergy to disease, has improved control efficiency; (2) can significantly reduce the field dosage, effectively environmental contamination reduction and residue of pesticide reduce and produce and use cost; (3) mechanism of action of active ingredient is different in the bactericidal composition, is conducive to overcome the germ resistance and delays the drug-fast generation of germ.
Embodiment
In order to make purpose 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 combination of active principles of different agricultural chemicals being carried out composite, is a kind of effectively and efficiently mode that solves at present some problems in the agricultural chemicals single dose application process.The agricultural chemicals of different cultivars shows three kinds of type of action after mixing usually, and namely summation action, synergistic effect and antagonism act on but which kind of is specially, and be unpredictable, only has by lot of experiments and just can know.Compound synergic is well filled a prescription, and can improve actual control efficiency, reduces the usage amount of agricultural chemicals, helps the generation of delaying drug resistance, is the important means of integrated control.
The present composition is take cyazofamid and phosethyl-Al as active ingredient, and combination has obvious synergistic function to the Oomycete disease between them, and is not only the simple addition of two kinds of pharmacy effects, specifically is illustrated with following biologicall test example.
Biologicall test example 1: the composite toxicity test to cucumber downy mildew of cyazofamid and phosethyl-Al
Subjects: cucumber downy mildew germ
Pot-culture method is adopted in this test.Dip distilled water about 10 ℃ with writing brush and wash the sporangium with the cucumber leaves back side of Pseudoperonospora cubensis that picks up from the field, be made into 3 * 10
5The suspension of individual sporangium/mL.Choose two consistent leaf period cucumber seedlings of growing way, each processing selects 5 basins for examination melon seedling, sprays the about 5mL of every basin under 50PSI pressure with the Potter spray tower.Each medicament arranges 5 concentration gradients, take spray the equivalent clear water as blank.24h spray inoculation bacterium of downy mildew of cucumber after the chemicals treatment, after the inoculation cucumber seedling placed climatic cabinate (relative moisture 100%, temperature 15-20 ℃) cultivate, keep 15-24 ℃ of temperature, relative moisture 90% left and right sides moisturizing to bring out behind the 24h, 5d " Invest, Then Investigate " disease index, and calculate control efficiency.
Grade scale
0 grade: blade is without scab;
1 grade: lesion area accounts for below 5% of whole blade area;
3 grades: lesion area accounts for the 6-10% of whole blade area;
5 grades: lesion area accounts for the 11-25% of whole blade area;
7 grades: lesion area accounts for the 26-50% of whole blade area;
9 grades: lesion area accounts for more than 50% of whole blade area.
The drug effect computational methods:
Control efficiency is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture 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
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.
Toxicity test result is referring to table 1
The serial proportioning of table 1 cyazofamid and phosethyl-Al is to the Toxicity Determination result of cucumber downy mildew
| Process | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Cyazofamid | 0.32 | 100 | / | / |
| Phosethyl-Al | 25.02 | 1.3 | / | / |
| Cyazofamid 50: phosethyl-Al 1 | 0.22 | 145.5 | 98.1 | 148.3 |
| Cyazofamid 20: phosethyl-Al 1 | 0.18 | 177.8 | 95.3 | 186.5 |
| Cyazofamid 10: phosethyl-Al 1 | 0.16 | 200.0 | 91.0 | 219.7 |
| Cyazofamid 5: phosethyl-Al 1 | 0.15 | 213.3 | 83.5 | 255.3 |
| Cyazofamid 1: phosethyl-Al 1 | 0.22 | 145.5 | 50.6 | 287.2 |
| Cyazofamid 1: phosethyl-Al 5 | 0.54 | 59.3 | 17.7 | 334.2 |
| Cyazofamid 1: phosethyl-Al 20 | 1.79 | 17.9 | 6.0 | 298.9 |
| Cyazofamid 1: phosethyl-Al 50 | 3.98 | 8.0 | 3.2 | 250.1 |
| Cyazofamid 1: phosethyl-Al 80 | 8.88 | 3.6 | 2.5 | 144.3 |
Result of the test shows, the composite control cucumber downy mildew of cyazofamid and phosethyl-Al, and proportioning is 50: 1-1: in the time of between 80, co-toxicity coefficient all more than 144.3, has synergistic effect, and 20: 1-1: in the time of between 50, co-toxicity coefficient all is higher than 186.5, and synergistic effect is more obvious.
Biologicall test example 2: the composite toxicity test to tomato late blight of cyazofamid and phosethyl-Al
Subjects: tomato late blight germ
Pot-culture method is adopted in test.Be sense late blight tomato for studying thing, potted plantly be cultured to 2-4 leaf periods, number for subsequent use.Test is cultivated at suitable medium with pathogen, behind the sporangium to be generated, with sterile water sporangium is washed, filter with double gauze, make 1 * 10
5Individual sporangium/mL sporangia suspension.Active according to medicament, active according to medicament, 5-7 series mass concentration is set.Liquid is evenly sprayed in the blade face to all wetting, treat that the liquid natural air drying is for subsequent use.Every processing 3 basins repeat for 4 times, and establish the processing that only contains solvent and surfactant and do not contain effective composition and make blank.Behind the chemicals treatment 24h, on tomato leaf, evenly spray inoculation with crops sprayer.After the inoculation, at temperature 18-20 ℃, cultivated 7 days under the condition of relative moisture more than 90%.Add up the lesion area on every strain tomato leaf, the investigation prevention effect.30 leaves are investigated in every processing at least, and stage division is:
0 grade; Anosis;
1 grade: a small amount of little scab is only arranged on the blade, and scab accounts for leaf area below 10%;
3 grades: scab accounts for leaf area 10%-25% on the blade;
5 grades: scab accounts for leaf area 26%-50% on the blade;
7 grades: scab accounts for leaf area more than 50% on the blade;
9 grades: full leaf morbidity is withered.
Drug effect calculating, toxicity index and co-toxicity coefficient (CTC) calculate, analytical method is the same.
Toxicity test the results are shown in Table 2.
The serial proportioning of table 2 cyazofamid and phosethyl-Al is to the Toxicity Determination result of tomato late blight
| Process | EC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| Cyazofamid | 0.27 | 100 | / | / |
| Phosethyl-Al | 55.02 | 0.5 | / | / |
| Cyazofamid 50: phosethyl-Al 1 | 0.19 | 142.1 | 98.0 | 144.9 |
| Cyazofamid 20: phosethyl-Al 1 | 0.15 | 180.0 | 95.3 | 189.0 |
| Cyazofamid 10: phosethyl-Al 1 | 0.14 | 192.9 | 91.0 | 212.0 |
| Cyazofamid 5: phosethyl-Al 1 | 0.12 | 225.0 | 83.4 | 269.7 |
| Cyazofamid 1: phosethyl-Al 1 | 0.18 | 150.0 | 50.2 | 298.5 |
| Cyazofamid 1: phosethyl-Al 5 | 0.48 | 56.3 | 17.1 | 329.4 |
| Cyazofamid 1: phosethyl-Al 20 | 1.39 | 19.4 | 5.2 | 371.5 |
| Cyazofamid 1: phosethyl-Al 50 | 5.98 | 4.5 | 2.4 | 184.9 |
| Cyazofamid 1: phosethyl-Al 80 | 10.88 | 2.5 | 1.7 | 144.3 |
Result of the test shows, the composite control tomato late blight of cyazofamid and phosethyl-Al, and proportioning is 50: 1-1: in the time of between 80, co-toxicity coefficient all more than 144.3, has synergistic effect, and 20: 1-1: in the time of between 50, co-toxicity coefficient all is higher than 184.9, and synergistic effect is more obvious.
Above measurement result shows, the proportioning of the composite control cucumber downy mildew of cyazofamid and phosethyl-Al and tomato late blight is 50: 1-1: in the time of between 80, have synergistic effect, 20: 1-1: in the time of between 50, co-toxicity coefficient is more than 184.9, and synergistic effect is more obvious.
Bactericidal composition of the present invention can be prepared into known method wetting powder, suspending agent or the water dispersible granules that is fit to agricultural use.Below describe with specific embodiment, percentage is mass percent in the prescription.Active component, present specification middle finger cyazofamid and phosethyl-Al below repeat no more.
Embodiment 1:20.4% cyazofamid phosethyl-Al suspending agent
The former medicine 20% of 93.5% cyazofamid
The former medicine 0.4% of 96% phosethyl-Al
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 10%
Xanthans (thickener) 1%
Bentonite (carrier) 1%
Glycerine (antifreeze) 1%
Water complements to 100%.
The ratio of each component such as active component, wetting dispersing agent, thickener, carrier and water in prescription mixed, after grinding and/or high speed shear, obtain 100 grams, 20.4% cyazofamid phosethyl-Al suspending agent.
This embodiment is applied to prevent and treat cucumber downy mildew.20.4% cyazofamid phosethyl-Al suspending agent is sprayed by 4000 times of (cyazofamid valid density is 50 μ g/ml, and phosethyl-Al valid density is 1 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 88.8%, 87.2% behind the medicine.15% cyazofamid suspending agent by 2000 times (cyazofamid valid density is 75 μ g/ml) and 50% phosethyl-Al water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 84.1%, 82.3% and 71.7%, 70.1% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of cucumber downy mildew significantly better than single dose.
Embodiment 2:10% cyazofamid phosethyl-Al suspending agent
The former medicine 5% of 93.5% cyazofamid
The former medicine 5% of 96% phosethyl-Al
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 10%
Xanthans (thickener) 1%
Bentonite (carrier) 1%
Glycerine (antifreeze) 1%
Water complements to 100%.
The ratio of each component such as active component, wetting dispersing agent, thickener, carrier and water in prescription mixed, after grinding and/or high speed shear, obtain 100 grams, 10% cyazofamid phosethyl-Al suspending agent.
This embodiment is applied to prevent and treat peronophythora litchi.10% cyazofamid phosethyl-Al suspending agent is sprayed by 1000 times of (cyazofamid valid density is 50 μ g/ml, and phosethyl-Al valid density is 50 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 88.3%, 87.7% behind the medicine.15% cyazofamid suspending agent by 2000 times (valid density is 75 μ g/ml) and 50% phosethyl-Al wetting powder by 1000 times (valid density is 500 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 85.9%, 82.9% and 71.4%, 70.6% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of peronophythora litchi significantly better than single dose.
Embodiment 3:40.5% cyazofamid phosethyl-Al wetting powder
The former medicine 0.5% of 93.5% cyazofamid
The former medicine 40% of 96% phosethyl-Al
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
Naphthalene sulfonate (dispersant) 3%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, obtain 100 grams, 40.5% cyazofamid phosethyl-Al wetting powder.
This embodiment is applied to downy mildew of lettuce.40.5% cyazofamid phosethyl-Al is sprayed by 500 times of (cyazofamid valid density is 10 μ g/ml, and phosethyl-Al valid density is 800 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 84.1%, 82.3% behind the medicine.2% cyazofamid suspending agent by 1000 times (valid density is 20 μ g/ml) and 80% phosethyl-Al water dispersible granules by 800 times (valid density is 1000 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 75.9%, 73.7% and 76.3%, 75.5% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of downy mildew of lettuce significantly better than single dose.
Embodiment 4:90% cyazofamid phosethyl-Al water dispersible granules
The former medicine 20% of 93.5% cyazofamid
The former medicine 70% of 96% phosethyl-Al
Negel (dispersant) 1.5%
Sodium lignin sulfonate (dispersant) 1%
Lauryl sodium sulfate (wetting agent) 1.5%
Kaolin (filler) is to 100%
Active component, dispersant, wetting agent and the filler ratio in prescription is mixed, become wetting powder through air-flow crushing, add again a certain amount of water mixing extruding and make material.Obtain 100 grams, 90% cyazofamid phosethyl-Al water dispersible granules after the drying screening.
This embodiment is applied to prevent and treat tomato late blight.With 2500 times of 90% cyazofamid phosethyl-Al water dispersible granules (cyazofamid valid density is 80 μ g/ml, and phosethyl-Al valid density is 280 μ g/ml) thin up spraying, the control efficiency of 7 days and 15 days is respectively 95.9%, 94.7% behind the medicine.20% cyazofamid water dispersible granules is by 2000 times (valid density is 100 μ g/ml), 80% phosethyl-Al water dispersible granules is by 1000 times (valid density is 800 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 89.2%, 88.7% and 76.6%, 72.4% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of tomato late blight significantly better than single dose.
Embodiment 5:50% cyazofamid phosethyl-Al wetting powder
The former medicine 20% of 93.5% cyazofamid
The former medicine 30% of 96% phosethyl-Al
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
Naphthalene sulfonate (dispersant) 3%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, obtain 100 grams, 50% cyazofamid phosethyl-Al wetting powder.
This embodiment is applied to the balsam pear cream mildew.50% cyazofamid phosethyl-Al is sprayed by 2500 times of (cyazofamid valid density is 80 μ g/ml, and phosethyl-Al valid density is 120 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 94.6%, 92.4% behind the medicine.9% cyazofamid suspending agent by 1000 times (valid density is 90 μ g/ml) and 90% phosethyl-Al water dispersible granules by 1000 times (valid density is 900 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 87.9%, 86.7% and 81.3%, 80.5% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of balsam pear cream mildew significantly better than single dose.
Embodiment 6:30% cyazofamid phosethyl-Al suspending agent
93.5% cyazofamid 5%
96% phosethyl-Al 25%
Negel (wetting dispersing agent) 4%
Sodium lignin sulfonate (dispersant) 2%
Lauryl sodium sulfate (wetting agent) 5%
Kaolin (filler) is to 100%
The ratio of each component such as active component, wetting dispersing agent, thickener, carrier and water in prescription mixed, after grinding and/or high speed shear, obtain 100 grams, 30% cyazofamid phosethyl-Al suspending agent.
This embodiment is applied to prevent and treat downy mildew of garpe.30% cyazofamid phosethyl-Al suspending agent is sprayed by 1000 times of (cyazofamid valid density is 50 μ g/ml, and phosethyl-Al valid density is 250 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 89.5%, 87.2% behind the medicine.15% cyazofamid suspending agent by 2000 times (valid density is 75 μ g/ml) and 80% phosethyl-Al water dispersible granules by 1000 times (valid density is 800 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 85.9%, 83.9% and 80.4%, 78.6% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of downy mildew of garpe significantly better than single dose.
Embodiment 7:40% cyazofamid phosethyl-Al wetting powder
The former medicine 10% of 93.5% cyazofamid
The former medicine 30% of 96% phosethyl-Al
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
Naphthalene sulfonate (dispersant) 3%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, obtain 100 grams, 40% cyazofamid phosethyl-Al wetting powder.
This embodiment is applied to capsicum epidemic disease.40% cyazofamid phosethyl-Al is sprayed by 2000 times of (cyazofamid valid density is 50 μ g/ml, and phosethyl-Al valid density is 150 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 87.1%, 86.3% behind the medicine.8% cyazofamid suspending agent by 1000 times (valid density is 80 μ g/ml) and 80% phosethyl-Al water dispersible granules by 800 times (valid density is 1000 μ g/ml), use with same method, the preventive effect of 7 days and 15 days is respectively 82.6%, 81.8% and 81.5%, 80.2% behind the medicine.The composite rear synergistic effect of cyazofamid and phosethyl-Al is obvious, to the preventive effect of capsicum epidemic disease significantly better than single dose.
Claims (7)
1. bactericidal composition, it is characterized in that: contain active ingredient cyazofamid and phosethyl-Al in the described bactericidal composition, cyazofamid and phosethyl-Al mass ratio are 50: 1-1: 80.
2. described bactericidal composition according to claim 1, it is characterized in that: the mass ratio of cyazofamid and phosethyl-Al is 20: 1-1: 50.
3. described bactericidal composition according to claim 1 and 2, it is characterized in that: the gross mass percentage composition of active ingredient in bactericidal composition is 10%-90%.
4. described bactericidal composition according to claim 3, it is characterized in that: the formulation of described bactericidal composition is wetting powder, suspending agent or water dispersible granules.
5. bactericidal composition according to claim 1 is used for preventing and treating the application of crop pest.
6. the application of bactericidal composition according to claim 5 is characterized in that: described crop is flowers, paddy rice, wheat, fruit tree, cotton, vegetables.
7. it is characterized in that according to claim 5 or the application of 6 bactericidal composition: described bactericidal composition is used for preventing and treating the Oomycete disease.
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| CN112704078A (en) * | 2020-12-30 | 2021-04-27 | 江阴苏利化学股份有限公司 | Bactericidal composition containing hymexazol and fosetyl-aluminum and application thereof |
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| WO2003017762A2 (en) * | 2001-08-24 | 2003-03-06 | Bayer Cropscience Ag | Fungicidal active-ingredient combinations |
| CN1429074A (en) * | 2000-05-11 | 2003-07-09 | 拜尔农作物科尔股份公司 | Fungicidal combination of active agents |
| CN101232814A (en) * | 2005-07-27 | 2008-07-30 | 巴斯福股份公司 | Fungicidal mixtures based on azolopyrimidinylamines |
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| CN1429074A (en) * | 2000-05-11 | 2003-07-09 | 拜尔农作物科尔股份公司 | Fungicidal combination of active agents |
| WO2003017762A2 (en) * | 2001-08-24 | 2003-03-06 | Bayer Cropscience Ag | Fungicidal active-ingredient combinations |
| CN101232814A (en) * | 2005-07-27 | 2008-07-30 | 巴斯福股份公司 | Fungicidal mixtures based on azolopyrimidinylamines |
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| 庞占荣.六种杀菌剂对葡萄苗霜霉病防治效果.《北方果树》.2004,(第4期),第42页. * |
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Address after: 518102 No. 113 Reservoir Road, Baoan District, Guangdong, Shenzhen, Xixiang Patentee after: Shenzhen Novozon Crop Science Co.,Ltd. Country or region after: China Address before: 518102 No. 113 Reservoir Road, Baoan District, Guangdong, Shenzhen, Xixiang Patentee before: SHENZHEN NOPOSION AGROCHEMICALS Co.,Ltd. Country or region before: China |