CN101647451A - Sterilization combination containing cyazofamid - Google Patents
Sterilization combination containing cyazofamid Download PDFInfo
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- CN101647451A CN101647451A CN200910161489A CN200910161489A CN101647451A CN 101647451 A CN101647451 A CN 101647451A CN 200910161489 A CN200910161489 A CN 200910161489A CN 200910161489 A CN200910161489 A CN 200910161489A CN 101647451 A CN101647451 A CN 101647451A
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- cyanogen frost
- frost azoles
- iprovalicarb
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- fluazinam
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Abstract
The invention relates to a sterilization combination which contains the effective components of (A) cyazofamid and (B) which is one of iprovalicarb, fluazinam or famoxadone, wherein the mass proportion of A and B is 50:1 to 1:50. After mixing, A and B have obvious synergism, and are used for preventing and treating diseases of crops such as fruit trees, flowers, rapes, vegetables and the like, inparticular to oomycete diseases.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition that contains cyanogen frost azoles.
Background technology
The oomycetes disease is the very important disease of a class on the crops, often causes the heavy losses of crops, as cucumber downy mildew and tomato late blight etc.Cucumber downy mildew is an a kind of dangerous disease more common on the cucumber cultivation, and it has, and propagation is fast, serious characteristics are lacked, broken with tremendous force, cause harm to the incubation period.Low temperature and high relative humidity is that downy mildew takes place and popular key factor, protection ground cultivated cucumber, the more sharp generation that should disease of its growing environment.Tomato late blight is a kind of universal destructive disease, and its pathogen biological strain variation is frequent, is difficult to control by single drug.
According to the literature, because single drug and other unscientific application method have caused many oomycetes diseases that current common pesticides has been produced resistance, frequent dispenser causes peasant burden to increase the weight of and increasing environmental pollution again, has increased the difficulty of chemical control.
Therefore, be badly in need of that exploitation is efficient, low toxicity, environmental protection, help the bactericide and the composition thereof of the control oomycetes disease of resistance management.
The English common name Cyazofamid of cyanogen frost azoles, chemical name 4-chloro-2-cyano group-5-p-methylphenyl-imidazoles-1-N, N-dimethyl methyl acid amides is a Qi inhibitor among the cytochrome b cl.It is a kind of new and effective medicament of preventing and treating the oomycetes disease.It is active that cyanogen frost azoles has good protection, and the lasting period is long, and resistance of rainwater washing against, also has certain interior suction and therapeutic activity, and all vegetative stages of oomycetes are all had effect, can prevent and treat downy mildew and eqpidemic disease.
Cyanogen frost azoles uses relative price higher separately, if can with composite some the good prescriptions that obtain of some other active ingredient, can improve the integral formulation drug effect on the one hand, reduce dosage, can also avoid germ to produce the speed of resistance and delaying drug resistance generation to a certain extent.
Summary of the invention
The objective of the invention is to: the safety, the efficient bactericidal composite that use on a kind of suitable agricultural, the oomycetes 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 cyanogen frost azoles and iprovalicarb, the fluazinam Huo oxazole bacterium ketone found is composite with certain proportion, and the oomycetes disease is had significant synergies.
On the basis of above-mentioned discovery, through composition is carried out symphyogenetic quantitative analysis, formed technical scheme of the present invention, be active ingredient promptly with a kind of composition in cyanogen frost azoles (A) and iprovalicarb, the fluazinam Huo oxazole bacterium ketone (B), (A) be 50 with (B) mass ratio: 1-1: 50, all the other are the pesticidal preparations auxiliary element.
Iprovalicarb, fluazinam, oxazole bacterium ketone are the new and effective medicaments of control oomycetes disease, have very big market potential.But use cost is higher separately, also is unfavorable for resistance management.Still the composite report that does not have at present cyanogen frost azoles and iprovalicarb, fluazinam Huo oxazole bacterium ketone.
The present composition can be prepared into known method and be fit to formulation suspending agent, aqueous emulsion, water dispersible granules, wetting powder, microemulsion, the missible oil 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 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, 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 promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly directly mixes in bucket or jar before the use, is diluted to required concentration then.
As a kind of improvement of the present composition, active ingredient (A) and mass ratio (B) are 20 preferably: 1-1: 20.
Bactericidal composition of the present invention is mainly used in the disease control of crops such as fruit tree, flowers, 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 agent, and this bactericidal composition has tangible synergy to the oomycetes disease, has improved control efficiency; (2) can significantly reduce the field dosage, effectively reduce environmental pollution and residue of pesticide, reduce and produce and use cost; (3) mechanism of action of active ingredient is different in the bactericidal composition, has reduced the single selection pressure to germ, the generation that helps overcoming the disease resistance He delay disease drug resistance.
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 these examples absolutely not.
The combination of different pesticide active ingredient being carried out composite, is a kind of mode effectively and efficiently that solves resistance and cost problem in the agricultural chemicals list agent application process at present.Different pesticide active ingredients shows three kinds of type of action after mixing usually, and promptly summation action, synergistic effect and antagonism act on but which kind of is specially, and be unpredictable, has only by a large amount of tests 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 avoid the generation speed of resistance and delaying drug resistance, is the important means of resistance management.
The present composition with a kind of in cyanogen frost azoles (A) and iprovalicarb, the fluazinam Huo oxazole bacterium ketone (B) be active ingredient, combination has obvious role in synergism to the oomycetes disease between them, and be not only the simple addition of two kinds of medicament effects, specifically be illustrated with following biologicall test example.
Biologicall test example 1: cyanogen frost azoles and the composite toxicity test of iprovalicarb Huo oxazole bacterium ketone to bacterium of downy mildew of cucumber
Subjects: bacterium of downy mildew of cucumber (Pseudoperonospora cubensis)
Pot-culture method is adopted in this test.Choose two leaf period cucumber seedlings of growing way unanimity, each processing selects for use 5 basins for examination melon seedling, numbers standby.Under 50PSI pressure, spray every basin 5mL with the Potter spray tower.Each medicament is provided with 5 concentration gradients, is blank with what spray the equivalent clear water.Spray inoculation bacterium of downy mildew of cucumber sporangia suspension behind the chemicals treatment 24h, the layoutprocedure of sporangia suspension is as follows: get the cucumber leaves that has Pseudoperonospora cubensis that picks up from the field, dip in the sporangium that the distilled water of getting about 10 ℃ washes the back side with writing brush, being made into concentration is 3 * 10
5The sporangia suspension of individual/mL.Place climatic cabinate (relative moisture 100%, temperature 15-20 ℃) to cultivate cucumber seedling after the inoculation, keep 15-24 ℃ of temperature, relative moisture about 90% to preserve moisture and bring out behind the 24h, 5d " Invest, Then Investigate " record incidence calculates disease index and control efficiency.
The cucumber downy mildew grade scale:
0 grade: blade does not have 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 the 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 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
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 1,2:
The serial proportioning of table 1 cyanogen frost azoles and iprovalicarb is to the pot experiment measurement result of cucumber downy mildew
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Cyanogen frost azoles | ??0.71 | ??100 | ??/ | ??/ |
| Iprovalicarb | ??1.36 | ??52.2 | ??/ | ??/ |
| Cyanogen frost azoles 50: iprovalicarb 1 | ??0.52 | ??136.5 | ??99.1 | ??137.8 |
| Cyanogen frost azoles 20: iprovalicarb 1 | ??0.39 | ??182.1 | ??97.7 | ??186.3 |
| Cyanogen frost azoles 10: iprovalicarb 1 | ??0.32 | ??221.9 | ??95.7 | ??232.0 |
| Cyanogen frost azoles 5: iprovalicarb 1 | ??0.26 | ??273.1 | ??92.0 | ??296.7 |
| Cyanogen frost azoles 1: iprovalicarb 1 | ??0.28 | ??253.6 | ??76.1 | ??333.2 |
| Cyanogen frost azoles 1: iprovalicarb 5 | ??0.44 | ??161.4 | ??60.2 | ??268.2 |
| Cyanogen frost azoles 1: iprovalicarb 10 | ??0.57 | ??124.6 | ??56.6 | ??220.3 |
| Cyanogen frost azoles 1: iprovalicarb 20 | ??0.67 | ??106.0 | ??54.5 | ??194.5 |
| Cyanogen frost azoles 1: iprovalicarb 50 | ??1.02 | ??69.6 | ??53.1 | ??131.0 |
Result of the test shows, cyanogen frost azoles and the composite control cucumber downy mildew of iprovalicarb, and proportioning is 50: 1-1: in the time of between 50, co-toxicity coefficient all more than 131.0, has synergistic effect; And 20: 1-1: in the time of between 20, co-toxicity coefficient all is higher than 186.3, and synergistic effect is more obvious.
Table 2 cyanogen frost Zuo Yu the serial proportioning of oxazole bacterium ketone to the pot experiment measurement result of cucumber downy mildew
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Cyanogen frost azoles | ??0.64 | ??100 | ??/ | ??/ |
| Oxazole bacterium ketone | ??1.47 | ??43.5 | ??/ | ??/ |
| Cyanogen frost azoles 50 ∶ oxazole bacterium ketone 1 | ??0.47 | ??136.2 | ??98.9 | ??137.7 |
| Cyanogen frost azoles 20 ∶ oxazole bacterium ketone 1 | ??0.33 | ??193.9 | ??97.3 | ??199.3 |
| Cyanogen frost azoles 10 ∶ oxazole bacterium ketone 1 | ??0.29 | ??220.7 | ??94.9 | ??232.6 |
| Cyanogen frost azoles 5 ∶ oxazole bacterium ketone 1 | ??0.26 | ??246.2 | ??90.6 | ??271.7 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 1 | ??0.29 | ??220.7 | ??71.8 | ??307.5 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 5 | ??0.42 | ??152.4 | ??52.9 | ??287.8 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 10 | ??0.54 | ??118.5 | ??48.7 | ??243.5 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 20 | ??0.69 | ??92.8 | ??46.2 | ??200.7 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 50 | ??1.05 | ??61.0 | ??44.6 | ??136.5 |
Result of the test shows, cyanogen frost Zuo is Yu the composite control cucumber downy mildew of oxazole bacterium ketone, and proportioning is 50: 1-1: in the time of between 50, co-toxicity coefficient all more than 136.5, has synergistic effect, and 20: 1-1: in the time of between 20, co-toxicity coefficient all is higher than 199.3, and synergistic effect is more obvious.
Biologicall test example 2: cyanogen frost azoles and the composite toxicity test of fluazinam Huo oxazole bacterium ketone to tomato late blight
Subjects: tomato late blight bacterium (Phytophthora infestans (Mont) de Baly)
Pot-culture method is adopted in test.Tomato is potted plant to grow to 2 leaf periods, numbers standby.Active and trial test result is provided with 5-7 series mass concentration according to medicament.Every processing 3 basins repeat for 4 times, and 5 milliliters of soups of every processing evenly spray in the blade face soup to all wetting, treat that the soup natural air drying is standby.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 inoculating spores capsule suspension with the crop sprayer.The process for preparation of sporangia suspension is as follows: will test with pathogen and cultivate on the suitable culture base, and after waiting to produce sporangium, with sterile water sporangium be washed, and filter with double gauze, and make 1 * 10
5Individual sporangium/mL sporangia suspension.After the inoculation,, cultivated 7 days under the condition of relative moisture more than 90% at temperature 18-20 ℃.Add up the lesion area on every strain tomato leaf, 24 leaves of every processing investigation calculate disease and refer to and control efficiency.
The tomato late blight 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 computational methods are with biologicall test example 1.
Toxicity test the results are shown in Table 3,4.
The serial proportioning of table 3 cyanogen frost azoles and fluazinam is to the pot experiment measurement result of tomato late blight
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Cyanogen frost azoles | 0.67 it is too little | ??100 | ??/ | ??/ |
| Fluazinam | ??3.12 | ??21.5 | ??/ | ??/ |
| Cyanogen frost azoles 50: fluazinam 1 | ??0.52 | ??128.8 | ??98.5 | ??130.9 |
| Cyanogen frost azoles 20: fluazinam 1 | ??0.35 | ??191.4 | ??96.3 | ??198.9 |
| Cyanogen frost azoles 10: fluazinam 1 | ??0.32 | ??209.4 | ??92.9 | ??225.5 |
| Cyanogen frost azoles 5: fluazinam 1 | ??0.27 | ??248.1 | ??86.9 | ??285.5 |
| Cyanogen frost azoles 1: fluazinam 1 | ??0.34 | ??197.1 | ??60.7 | ??324.4 |
| Cyanogen frost azoles 1: fluazinam 5 | ??0.69 | ??97.1 | ??34.6 | ??280.9 |
| Cyanogen frost azoles 1: fluazinam 10 | ??0.94 | ??71.3 | ??28.6 | ??249.1 |
| Cyanogen frost azoles 1: fluazinam 20 | ??1.29 | ??51.9 | ??25.2 | ??206.0 |
| Cyanogen frost azoles 1: fluazinam 50 | ??2.19 | ??30.6 | ??23.0 | ??132.9 |
Result of the test shows, cyanogen frost azoles and the composite control tomato late blight of fluazinam, and proportioning is 50: 1-1: in the time of between 50, co-toxicity coefficient all more than 130.9, has synergistic effect, and 20: 1-1: in the time of between 20, co-toxicity coefficient all is higher than 198.9, and synergistic effect is more obvious.
Table 4 cyanogen frost Zuo Yu the serial proportioning of oxazole bacterium ketone to the pot experiment measurement result of tomato late blight
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Cyanogen frost azoles | ??0.68 | ??100 | ??/ | ??/ |
| Oxazole bacterium ketone | ??1.52 | ??44.7 | ??/ | ??/ |
| Cyanogen frost azoles 50 ∶ oxazole bacterium ketone 1 | ??0.51 | ??133.3 | ??98.9 | ??134.8 |
| Cyanogen frost azoles 20 ∶ oxazole bacterium ketone 1 | ??0.29 | ??234.5 | ??97.4 | ??240.8 |
| Cyanogen frost azoles 10 ∶ oxazole bacterium ketone 1 | ??0.27 | ??251.9 | ??95.0 | ??265.2 |
| Cyanogen frost azoles 5 ∶ oxazole bacterium ketone 1 | ??0.26 | ??261.5 | ??90.8 | ??288.1 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 1 | ??0.31 | ??219.4 | ??72.4 | ??303.1 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 5 | ??0.43 | ??158.1 | ??53.9 | ??293.1 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 10 | ??0.52 | ??130.8 | ??49.8 | ??262.8 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 20 | ??0.58 | ??117.2 | ??47.4 | ??247.5 |
| Cyanogen frost azoles 1 ∶ oxazole bacterium ketone 50 | ??1.09 | ??62.4 | ??45.8 | ??136.2 |
Result of the test shows, cyanogen frost Zuo is Yu the composite control tomato late blight of oxazole bacterium ketone, and proportioning is 50: 1-1: in the time of between 50, co-toxicity coefficient all more than 134.8, has synergistic effect, and 20: 1-1: in the time of between 20, co-toxicity coefficient all is higher than 240.8, and synergistic effect is more obvious.
Bactericidal composition of the present invention can be prepared into known method and be fit to suspending agent, aqueous emulsion, water dispersible granules, wetting powder, microemulsion, the missible oil that agricultural is used.Below describe with specific embodiment, percentage is mass percent in the prescription.A kind of in active component present specification middle finger cyanogen frost azoles (A) and iprovalicarb, the fluazinam Huo oxazole bacterium ketone (B), below repeat no more.
One, suspending agent processing and application example
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 suspending agent.
Embodiment 1:10.2% cyanogen frost azoles iprovalicarb suspending agent
Cyanogen frost azoles 10%, iprovalicarb 0.2%, methyl naphthalene sulfonate formaldehyde condensate 10%, xanthans 1%, bentonite 1%, glycerine 4%, water complements to 100%.
This embodiment is applied to prevent and treat cucumber downy mildew.10.2% cyanogen frost azoles iprovalicarb suspending agent is sprayed by 1600 times of (cyanogen frost azoles valid density is 62.5 μ g/ml, and iprovalicarb valid density is 2 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 90.8%, 89.2% behind the medicine.8% cyanogen frost azole suspending agent by 1000 times (the white azoles valid density of cyanogen is 80 μ g/ml) and 10% iprovalicarb water dispersible granules by 1000 times (valid density is 100 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 85.1%, 84.9% and 82.4%, 78.1% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of iprovalicarb, to the preventive effect of cucumber downy mildew significantly better than single agent.
Embodiment 2:5% cyanogen Shuan Zuo oxazole bacterium ketone suspending agent
Cyanogen frost azoles 2.5% ， oxazole bacterium ketone 2.5%, methyl naphthalene sulfonate formaldehyde condensate 8%, Magnesiumaluminumsilicate 1%, white carbon 2%, ethylene glycol 5%, water complements to 100%.
This embodiment is applied to prevent and treat peronophythora litchi.By 500 times of (cyanogen frost azoles valid density be that 50 μ g/ml ， oxazole bacterium ketone valid density are 50 μ g/ml) thin ups sprayings, the control efficiency of 7 days and 15 days is respectively 96.3%, 94.7% behind the medicine with 5% cyanogen Shuan Zuo oxazole bacterium ketone suspending agent.8% cyanogen frost azole suspending agent by 1000 times (valid density is 80 μ g/ml) and 20% oxazole bacterium ketone wetting powder by 2000 times (valid density is 100 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 84.3%, 82.1% and 78.4%, 74.6% behind the medicine.Cyanogen frost Zuo is Yu the composite back synergistic effect of oxazole bacterium ketone is obvious, to the preventive effect of peronophythora litchi significantly better than single agent.
Embodiment 3:30% cyanogen frost azoles fluazinam suspending agent
Cyanogen frost azoles 10%, fluazinam 20%, sodium lignin sulfonate 5%, alkyl phenolic group polyoxyethylene groups ether 5%, Magnesiumaluminumsilicate 1%, ethylene glycol 5%, water complements to 100%.
This embodiment is applied to prevent and treat downy mildew of garpe.30% cyanogen frost azoles fluazinam suspending agent is sprayed by 2000 times of (cyanogen frost azoles valid density is 50 μ g/ml, and fluazinam valid density is 100 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 97.5%, 94.2% behind the medicine.15% cyanogen frost azole suspending agent by 2000 times (valid density is 75 μ g/ml) and 15% fluazinam wetting powder by 1000 times (valid density is 150 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 84.9%, 81.3% and 85.4%, 83.6% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of fluazinam, to the preventive effect of downy mildew of garpe significantly better than single agent.
Two, wetting powder processing and application example
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get wetting powder.
Embodiment 4:30.6% cyanogen frost azoles fluazinam wetting powder
Cyanogen frost azoles 0.6%, fluazinam 30%, lauryl sodium sulfate 2%, sodium lignin sulfonate 5%, naphthalene sulfonate 3%, kaolin complements to 100%.
This embodiment is applied to downy mildew of lettuce.30.6% cyanogen frost azoles fluazinam is sprayed by 1500 times of (cyanogen frost azoles valid density is 4 μ g/ml, and fluazinam valid density is 200 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 89.1%, 88.3% behind the medicine.2% cyanogen frost azole suspending agent by 1000 times (valid density is 20 μ g/ml) and 25% fluazinam wetting powder by 1000 times (valid density is 250 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 69.9%, 66.4% and 84.3%, 82.3% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of fluazinam, to the preventive effect of downy mildew of lettuce significantly better than single agent.
Embodiment 5:50% cyanogen frost azoles iprovalicarb wetting powder
Cyanogen frost azoles 20%, iprovalicarb 30%, sodium lignin sulfonate 10%, the withered powder 5% of tea draws back powder 0.5%, white carbon 3%, attapulgite complements to 100%.
This embodiment is applied to the balsam pear cream mildew.50% cyanogen frost azoles iprovalicarb is sprayed by 4000 times of (cyanogen frost azoles valid density is 50 μ g/ml, and iprovalicarb valid density is 75 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 97.6%, 94.4% behind the medicine.8% cyanogen frost azole suspending agent by 1000 times (valid density is 80 μ g/ml) and 10% iprovalicarb wetting powder by 1000 times (valid density is 100 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 86.9%, 85.4% and 82.3%, 79.5% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of iprovalicarb, to the preventive effect of balsam pear cream mildew significantly better than single agent.
Three, water dispersible granules processing and application example
Active component, dispersant, wetting agent and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material through comminution by gas stream.Obtain water dispersible granules after the drying screening.
Embodiment 6:80% cyanogen Shuan Zuo oxazole bacterium ketone water dispersible granules
Cyanogen frost azoles 30% ， oxazole bacterium ketone 50%, Negel 2%, sodium lignin sulfonate 1%, lauryl sodium sulfate 2%, kaolin complements to 100%.
This embodiment is applied to prevent and treat tomato late blight.With the spraying of 5000 times of 80% cyanogen Shuan Zuo oxazole bacterium ketone water dispersible granules (cyanogen frost azoles valid density be that 60 μ g/ml ， oxazole bacterium ketone valid density are 100 μ g/ml) thin up, the control efficiency of 7 days and 15 days is respectively 98.3%, 96.7% behind the medicine.16% cyanogen frost azole suspending agent is by 2000 times (valid density is 80 μ g/ml), 20% oxazole bacterium ketone water dispersible granules is by 1000 times (valid density is 200 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 85.2%, 83.4% and 83.6%, 81.4% behind the medicine.Cyanogen frost Zuo is Yu the composite back synergistic effect of oxazole bacterium ketone is obvious, to the preventive effect of tomato late blight significantly better than single agent.
Embodiment 7:42% cyanogen frost azoles iprovalicarb water dispersible granules
Cyanogen frost azoles 2%, iprovalicarb 40%, Negel 2%, sodium lignin sulfonate 1%, lauryl sodium sulfate 2%, kaolin deficiency to 100%.
This embodiment is applied to prevent and treat capsicum epidemic disease.With 5000 times of 42% cyanogen frost azoles iprovalicarb water dispersible granules (cyanogen frost azoles valid density is 8 μ g/ml, and iprovalicarb valid density is 160 μ g/ml) thin ups spraying, the control efficiency of 7 days and 15 days is respectively 92.9%, 90.7% behind the medicine.20% cyanogen frost azoles water dispersible granules is by 5000 times (valid density is 40 μ g/ml), 20% iprovalicarb water dispersible granules is by 1000 times (valid density is 200 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 71.2%, 68.7% and 85.3%, 84.4% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of iprovalicarb, to the preventive effect of capsicum epidemic disease significantly better than single agent.
Four, missible oil processing and application example
Active component, solvent, emulsifier are added in the mixing kettle successively in the ratio of prescription, stir, make missible oil.
Embodiment 8:15% cyanogen frost azoles fluazinam missible oil
Cyanogen frost azoles 5%, fluazinam 10%, N-Methyl pyrrolidone 10%, DMF 10%, agricultural newborn 1601# 5%, agricultural newborn 500# 5%, dimethylbenzene complements to 100%.
This embodiment is applied to prevent and treat sponge gourd downy mildew.15% cyanogen frost azoles fluazinam missible oil is sprayed by 1000 times of (cyanogen frost azoles valid density is 50 μ g/ml, and fluazinam valid density is 100 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 96.8%, 95.2% behind the medicine.8% cyanogen frost azole suspending agent by 1000 times (the white azoles valid density of cyanogen is 80 μ g/ml) and 20% fluazinam missible oil by 1000 times (valid density is 200 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 84.1%, 83.3% and 85.4%, 84.3% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of fluazinam, to the preventive effect of sponge gourd downy mildew significantly better than single agent.
Five, microemulsion processing and application example
Active component, solvent, cosolvent, 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 microemulsion.
Embodiment 9:25% cyanogen frost azoles iprovalicarb microemulsion
Cyanogen frost azoles 10%, iprovalicarb 15%, dimethylbenzene 10%, isopropyl alcohol 10%, agricultural newborn 500# 5%, agricultural newborn 1601# 5%, water complements to 100%.
This embodiment is applied to prevent and treat potato late blight.25% cyanogen frost azoles iprovalicarb microemulsion is sprayed by 2000 times of (cyanogen frost azoles valid density is 50 μ g/ml, and iprovalicarb valid density is 75 μ g/ml) thin ups, and the control efficiency of 7 days and 15 days is respectively 98.3%, 97.3% behind the medicine.16% cyanogen frost azole suspending agent by 2000 times (valid density is 80 μ g/ml) and 15% iprovalicarb wetting powder by 1000 times (valid density is 150 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 85.3%, 84.2% and 86.1%, 85.4% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of iprovalicarb, to the preventive effect of potato late blight significantly better than single agent.
Six, aqueous emulsion processing and application example
Active component, solvent, emulsifier are added together, make and be dissolved into even oil phase; Oil phase is added in the entry, under high-speed stirred, oil phase is mixed with water, make aqueous emulsion.
Embodiment 10:15% cyanogen Shuan Zuo oxazole bacterium ketone aqueous emulsion
Cyanogen frost azoles 5% ， oxazole bacterium ketone 10%, dimethylbenzene 10%, calcium dodecyl benzene sulfonate 5%, agricultural newborn 600#5%, water complements to 100%.
This embodiment is applied to prevent and treat Chinese cabbage downy mildew.By 1000 times of (cyanogen frost azoles valid density be that 50 μ g/ml ， oxazole bacterium ketone valid density are 100 μ g/ml) thin ups sprayings, the control efficiency of 7 days and 15 days is respectively 94.8%, 93.5% behind the medicine with 15% cyanogen Shuan Zuo oxazole bacterium ketone aqueous emulsion.16% cyanogen frost azole suspending agent by 2000 times (valid density is 80 μ g/ml) and 10% oxazole bacterium ketone aqueous emulsion by 500 times (valid density is 200 μ g/ml), with using with quadrat method, the preventive effect of 7 days and 15 days is respectively 84.9%, 82.2% and 84.3%, 82.1% behind the medicine.Cyanogen frost azoles is obvious with the composite synergistic effect afterwards of oxazole bacterium ketone, to the preventive effect of Chinese cabbage downy mildew significantly better than single agent.
Claims (6)
1, a kind of bactericidal composition is characterized in that: contain active ingredient (A) cyanogen frost azoles and (B) a kind of in iprovalicarb, the fluazinam Huo oxazole bacterium ketone in the described bactericidal composition, its mass ratio is 50: 1-1: 50.
2, according to claim 1, it is characterized in that: active ingredient cyanogen frost azoles (A) and mass ratio (B) are 20: 1-1: 20.
3, according to claim 1 or 2, it is characterized in that: the gross mass percentage composition of active ingredient in bactericidal composition is 5%-80%.
4, according to claim 3, it is characterized in that: the formulation of described bactericidal composition is suspending agent, aqueous emulsion, water dispersible granules, wetting powder, microemulsion, missible oil.
5, bactericidal composition according to claim 1 is characterized in that: described bactericidal composition is applied to prevent and treat the oomycetes disease.
6, the application of bactericidal composition according to claim 5 is characterized in that: described crop is flowers, fruit tree, rape, vegetables etc.
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| CN200910161489A CN101647451A (en) | 2009-07-31 | 2009-07-31 | Sterilization combination containing cyazofamid |
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| CN200910161489A CN101647451A (en) | 2009-07-31 | 2009-07-31 | Sterilization combination containing cyazofamid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102763644A (en) * | 2012-06-30 | 2012-11-07 | 广东中迅农科股份有限公司 | Cyazofamid microemulsion and preparation method thereof |
| CN102783487A (en) * | 2012-07-11 | 2012-11-21 | 广东中迅农科股份有限公司 | Cyazofamid suspension concentrate and preparation method thereof |
| CN103563948A (en) * | 2013-11-19 | 2014-02-12 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN104351207A (en) * | 2014-11-07 | 2015-02-18 | 江苏丰登作物保护股份有限公司 | Cyazofamid and famoxadone containing bactericidal composition and application thereof |
| CN105165843A (en) * | 2015-09-09 | 2015-12-23 | 江苏省绿盾植保农药实验有限公司 | Pesticide compositioncombination containing famoxadone and imazalil |
| CN107006487A (en) * | 2017-05-30 | 2017-08-04 | 兴农药业（中国）有限公司 | The composition pesticide of Yi Zhong famoxadones and cyazofamid |
| CN107821401A (en) * | 2017-12-05 | 2018-03-23 | 徐州农丰生物化工有限公司 | A kind of bactericide for preventing and treating the late blight of potato |
-
2009
- 2009-07-31 CN CN200910161489A patent/CN101647451A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763644A (en) * | 2012-06-30 | 2012-11-07 | 广东中迅农科股份有限公司 | Cyazofamid microemulsion and preparation method thereof |
| CN102763644B (en) * | 2012-06-30 | 2016-02-10 | 广东中迅农科股份有限公司 | A kind of cyazofamid microemulsion and preparation method thereof |
| CN102783487A (en) * | 2012-07-11 | 2012-11-21 | 广东中迅农科股份有限公司 | Cyazofamid suspension concentrate and preparation method thereof |
| CN102783487B (en) * | 2012-07-11 | 2015-11-18 | 广东中迅农科股份有限公司 | A kind of cyazofamid aqueous suspension agent and preparation method thereof |
| CN103563948A (en) * | 2013-11-19 | 2014-02-12 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN103563948B (en) * | 2013-11-19 | 2015-07-22 | 西安北农华农作物保护有限公司 | Bactericidal composition containing cyazofamid |
| CN104351207A (en) * | 2014-11-07 | 2015-02-18 | 江苏丰登作物保护股份有限公司 | Cyazofamid and famoxadone containing bactericidal composition and application thereof |
| CN105165843A (en) * | 2015-09-09 | 2015-12-23 | 江苏省绿盾植保农药实验有限公司 | Pesticide compositioncombination containing famoxadone and imazalil |
| CN107006487A (en) * | 2017-05-30 | 2017-08-04 | 兴农药业（中国）有限公司 | The composition pesticide of Yi Zhong famoxadones and cyazofamid |
| CN107821401A (en) * | 2017-12-05 | 2018-03-23 | 徐州农丰生物化工有限公司 | A kind of bactericide for preventing and treating the late blight of potato |
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Application publication date: 20100217 |