CN103719091A - Sterilization composite containing cyazofamid and fludioxonil - Google Patents
Sterilization composite containing cyazofamid and fludioxonil Download PDFInfo
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- CN103719091A CN103719091A CN201310665194.2A CN201310665194A CN103719091A CN 103719091 A CN103719091 A CN 103719091A CN 201310665194 A CN201310665194 A CN 201310665194A CN 103719091 A CN103719091 A CN 103719091A
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- fludioxonil
- cyazofamid
- bactericidal composition
- rot
- downy mildew
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Abstract
The invention relates to a sterilization composite containing cyazofamid and fludioxonil and application of the sterilization composite. The sterilization composite comprises cyazofamid and fludioxonil, wherein the weight ratio of cyazofamid to fludioxonil is (45:1)-(1:50). The sterilization composite can be used for preventing and controlling diseases on commercial crops, cereal or flowers and plants, is wide in application range, excellent in effect, low in cost and residue, and safe to human, livestock, environment and the like.
Description
(1) technical field
The present invention relates to a kind of bactericidal composition and purposes, relate in particular to a kind of bactericidal composition that contains cyazofamid and fludioxonil, be mainly used in the control of economic crops disease.
(2) background technology
Cyazofamid (Cyazofamid, CAS 120116-88-3) is a kind of novel low toxicity bactericide, has good prolection and certain interior suction therapeutic activity, and the lasting period is long, and resistance of rainwater washing against is used safety, convenient.This medicine belongs to mitochondrial respiratory inhibitor, and its bactericidal mechanism is by suppressing the Qi in cytochrome b cl in germ metabolic process, and causes germ dead, is different from methoxy acrylic medicament.All vegetative stages to oomycetes all have effect, and the germ that metalaxyl is produced to resistance or sensitivity all has activity.
Fludioxonil (Flutolanil, CAS 131341-86-1) is by suppressing the relevant transfer of glucose phosphorylated, and the mycelial growth of Antifungi, finally causes germ dead.The mechanism of action is unique, with existing bactericide without cross resistance.The microbial kind biography of many cause of diseases such as sac fungi, basidiomycetes, imperfect fungus and soil-borne disease are had to extraordinary preventive effect.
Although cyazofamid has above-mentioned advantage, because cost is too high, at present domestic almost not application.The fungicidal spectrum of fludioxonil is very wide, and most of fungal disease is all had to good preventive effect.From the angle of pesticides application, a certain agricultural chemicals of long-term single use, all easily causes preventive effect to reduce, the problem such as consumption increases, develop immunity to drugs, lasting period shortening, and residual risk increasing, is unfavorable for environment harmonious development.Seeking scientific and rational agriculture chemical compounding, is to address this problem good way.At present at home and abroad there are no cyazofamid and the composite relevant report of fludioxonil.If both can be together composite, just can solve preferably the problem of above-mentioned appearance, the two is compared single dose after composite and has synergistic function simultaneously, improves the effect that single dose is used separately.Also there is no at present the composite relevant report of cyazofamid and fludioxonil at home and abroad.
(3) summary of the invention
One of object of the present invention is to overcome above-mentioned deficiency, provide a kind of applied widely, effective, cost is low, the lasting period is long and have synergistic effect the bactericidal composition that contains cyazofamid and fludioxonil.
Two of object of the present invention is to provide a kind of bactericidal composition that contains cyazofamid and fludioxonil for preventing and treating the purposes of plurality of plant diseases.
The object of the present invention is achieved like this:
A bactericidal composition that contains cyazofamid and fludioxonil, the weight ratio that said composition contains cyazofamid and fludioxonil is 45: 1～1: 50.
The preferred weight ratio of described cyazofamid and fludioxonil is 45: 2～4: 35;
More preferably, the weight ratio of the two is 5: 1～1: 3;
Most preferred, the weight ratio of the two is 1: 1.
Described combination dosage form is any one formulation allowing on agricultural chemicals.Such as wetting powder, water dispersible granules, suspending agent, aqueous emulsion, missible oil or seed coat agent etc.
Described cyazofamid and the fludioxonil percentage by weight in above-mentioned formulation is 5～85%.
Further, the invention provides a kind of purposes of the bactericidal composition that contains cyazofamid and fludioxonil as above, is for control economic disease of pests evil by described Bactericidal composite; Preferably, described disease is:
The present composition can be used for tomato late blight (Phytophthora infestans), cucumber downy mildew (Pseudoperonospora cubensis), downy mildew of garpe (Plasmopara viticola), Chinese cabbage downy mildew (Peronospora parasitica), powdery mildew (Erysiphe), gray mold (Botytiscinerea), club root (Albinocandid), bacterial wilt (Ralstonia solanacearum), pear scab (Venturia piritna), ring rot of apple (Physalospora piricola), spot defoliation (Alternaria mali), citrus anthracnose (Colletotrichum gloeosprioides), capsicum epidemic disease (Alternariasolani), leaf spot of peanut (Cercosporidium state), sclerotinia rot of colza (Sclerotinia sclerotiorum), potato late blight (Potato Late Bright), oranges and tangerines foot rot (Phytophthora parasitica), cotton seedling blight (Rhizoctonia solani) or red rot (Fusarium moniliforme) etc.
Be preferred for the control of downy mildew of garpe, sclerotinia rot of colza, Chinese cabbage downy mildew, cotton seedling blight and oranges and tangerines foot rot.
Except as otherwise noted, " % " in the application is all weight percentage.
Compared with prior art, the invention has the beneficial effects as follows:
(1) synergistic effect that the present composition is done well in certain ratio range, the bactericidal effect of composition has had and has significantly improved than single dose, and its co-toxicity coefficient is at least more than 130, has reduced agricultural chemicals using dosage and cost simultaneously, reduced residually, also alleviated the harmful effect to environment;
(2) in the present invention, the mechanism of action of two kinds of active components is different, and the application of composition can delay or overcome the resistance of pathogen, extends the service life of product;
(3) present composition is good to economic crops diseases control, in addition, also can be used for the control of its corps diseases.
(4) embodiment
Clearer in order to be object of the present invention, technical scheme and advantage, the present invention describes with following instantiation, but the present invention is not limited to these examples.
It is active ingredient that the present composition be take cyazofamid and fludioxonil, through indoor bioassay test, finds, after both are composite, antagonistic drug venereal disease evil has obvious synergistic function, specifically with following biologicall test example, is illustrated.
The example 1 of measuring in kind: the composite toxicity test to Chinese cabbage Pseudoperonospora cubensis of cyazofamid and fludioxonil
1, subjects: Chinese cabbage Pseudoperonospora cubensis [Latin formal name used at school: Peronosporaparasitica Fr.]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.3-2006 > >, adopt pastille medium therapy.
3, data statistic analysis: analyze with SAS6.12 statistical software.According to test data, calculate mycelial growth inhibition rate (%), obtain virulence regression equation formula, correlation coefficient (r), EC
50and co-toxicity coefficient.
4, evaluation method: with reference to < < pesticide bioassay test rule NY/T1156.3-2006 > >, according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), evaluate the synergistic effect of pharmacy mix, be that CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, fludioxonil and the two different proportion thereof the results are shown in Table 1 to the toxicity test of Chinese cabbage Pseudoperonospora cubensis, and in table 1, " cyanogen: cough up " is writing a Chinese character in simplified form of " cyazofamid: fludioxonil ".
Table 1 cyazofamid and the fludioxonil toxicity test result to Chinese cabbage Pseudoperonospora cubensis that is mixed
Indoor biometrics result shows: cyazofamid and fludioxonil are mixed with 1: 1,1: 3,1: 5,1: 7,3: 1,5: 1 and 7: 1 ratios, it all shows synergistic effect to Chinese cabbage Pseudoperonospora cubensis, wherein the most obvious with the ratio mixed synergies of 1: 1,1: 3,3: 1 and 5: 1.Consider cyazofamid and fludioxonil composite better with 1: 3～5: 1 to the control of Chinese cabbage downy mildew.
The example 2 of measuring in kind: the composite toxicity test to Plasmopara viticola of cyazofamid and fludioxonil
1, subjects: Plasmopara viticola [Latin formal name used at school: Plasmopara viticola (Berk.dt Curtis) Berl.Et de Toni]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.3-2006 > >, adopt pastille medium therapy.
3, data statistic analysis: analyze with SAS6.12 statistical software.According to test data, calculate mycelial growth inhibition rate (%), obtain virulence regression equation formula, correlation coefficient (r), EC
50and co-toxicity coefficient.
4, evaluation method: with reference to < < pesticide bioassay test rule NY/T1156.3-2006 > >, according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), evaluate the synergistic effect of pharmacy mix, be that CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, fludioxonil and the two different proportion thereof the results are shown in Table 2 to the toxicity test of Plasmopara viticola, and in table 2, " cyanogen: cough up " is writing a Chinese character in simplified form of " cyazofamid: fludioxonil ".
Table 2 cyazofamid and the fludioxonil toxicity test result to Plasmopara viticola that is mixed
Indoor biometrics result shows: cyazofamid and fludioxonil are mixed with 1: 1,1: 3,1: 9,1: 12,3: 1,9: 1 and 12: 1 ratios, it shows synergistic effect to Plasmopara viticola, wherein the most obvious with the ratio mixed synergies of 1: 1,1: 3,3: 1 and 9: 1.Consider cyazofamid and fludioxonil composite better with 1: 3～9: 1 to the control of downy mildew of garpe.
The example 3 of measuring in kind: the composite toxicity test to oranges and tangerines foot rot pathogen of cyazofamid and fludioxonil
1, subjects: oranges and tangerines foot rot pathogen [Latin formal name used at school: Phytophthora parasitica (Dastur]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, adopt pastille medium therapy.
3, data statistic analysis: analyze with SAS6.12 statistical software.According to test data, calculate mycelial growth inhibition rate (%), obtain virulence regression equation formula, correlation coefficient (r), EC
50and co-toxicity coefficient.
4, evaluation method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), evaluate the synergistic effect of pharmacy mix, be that CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, fludioxonil and the two different proportion thereof the results are shown in Table 3 to the toxicity test of oranges and tangerines foot rot pathogen, and in table 3, " cyanogen: cough up " is writing a Chinese character in simplified form of " cyazofamid: fludioxonil ".
Table 3 cyazofamid and the fludioxonil toxicity test result to oranges and tangerines foot rot pathogen that is mixed
Indoor biometrics result shows: cyazofamid and fludioxonil are mixed with 1: 1,1: 3,1: 7,1: 11,3: 1,7: 1 and 11: 1 ratios, it all shows synergistic effect to oranges and tangerines foot rot pathogen, wherein the most obvious with the ratio mixed synergies of 1: 1,1: 3,1: 7,1: 11,3: 1 and 7: 1.Consider cyazofamid and fludioxonil composite better with 1: 11～7: 1 to the control of oranges and tangerines foot rot.
The example 4 of measuring in kind: the composite toxicity test to Sclerotinia sclerotiorum of cyazofamid and fludioxonil
1, subjects: Sclerotinia sclerotiorum [Latin formal name used at school: Sclerotinia sclerotiorum (Lib.) deBary]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, adopt pastille medium therapy.
3, data statistic analysis: analyze with SAS6.12 statistical software.According to test data, calculate mycelial growth inhibition rate (%), obtain virulence regression equation formula, correlation coefficient (r), EC
50and co-toxicity coefficient.
4, evaluation method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), evaluate the synergistic effect of pharmacy mix, be that CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, fludioxonil and the two different proportion thereof the results are shown in Table 4 to the toxicity test of Sclerotinia sclerotiorum, and in table 4, " cyanogen: cough up " is writing a Chinese character in simplified form of " cyazofamid: fludioxonil ".
Table 4 cyazofamid and the fludioxonil toxicity test result to Sclerotinia sclerotiorum that is mixed
Indoor biometrics result shows: cyazofamid and fludioxonil are mixed with 1: 1,1: 3,1: 6,1: 9,3: 1,6: 1 and 9: 1 ratios, it shows synergistic effect to Sclerotinia sclerotiorum, wherein the most obvious with the ratio mixed synergies of 1: 1,1: 3,1: 6 and 3: 1.Consider cyazofamid and fludioxonil composite better with 1: 6～3: 1 to the control of sclerotinia rot of colza.
The example 5 of measuring in kind: the composite toxicity test to cotton rhizoctonia solani of cyazofamid and fludioxonil
1, subjects: cotton rhizoctonia solani [Latin formal name used at school: Rhizoctonia solani KChn]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, adopt pastille medium therapy.
3, data statistic analysis: analyze with SAS6.12 statistical software.According to test data, calculate mycelial growth inhibition rate (%), obtain virulence regression equation formula, correlation coefficient (r), EC
50and co-toxicity coefficient.
4, evaluation method: with reference to < < pesticide bioassay test rule NY/T1156.2-2006 > >, according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), evaluate the synergistic effect of pharmacy mix, be that CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, fludioxonil and the two different proportion thereof the results are shown in Table 5 to the toxicity test of turfgrass, and in table 5, " cyanogen: cough up " is writing a Chinese character in simplified form of " cyazofamid: fludioxonil ".
Table 5 cyazofamid and the fludioxonil toxicity test result to cotton rhizoctonia solani that is mixed
Indoor biometrics result shows: cyazofamid and fludioxonil are mixed with 1: 1,1: 3,1: 5,1: 11,3: 1,5: 1 and 11: 1 ratios, it shows synergistic effect to cotton rhizoctonia solani, wherein the most obvious with the ratio mixed synergies of 1: 1,1: 3,1: 5,1: 11,3: 1 and 5: 1.Consider cyazofamid and fludioxonil composite better with 1: 11～5: 1 to the control of cotton seedling blight.
The present composition can be with known auxiliary agent and assistant agent, with known method preparation, be and be applicable to upper any one formulation used of agricultural, wherein reasonable formulation has water dispersible granules, suspending agent, aqueous emulsion, missible oil or seed coat agent, and these known auxiliary agents, assistant agent have dispersant, diffusant, defoamer, wetting agent, disintegrant, film forming agent and filler etc.
With instantiation, describe below.
Embodiment 1:
Cyazofamid 10g, fludioxonil 10g, cyclohexanone 20g, epoxidized soybean oil are added to 100g, be mixed to even liquid phase, make the present composition 20% missible oil.
Embodiment 2:
Cyazofamid 20g, fludioxonil 10g, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8g, sodium lignin sulfonate 6g, urea 1g, bentonite are added to 100g, through mixing, air-flow crushing, granulation, make the present composition 30% water dispersible granules.
Embodiment 3:
By cyazofamid 15g, fludioxonil 5g, polyoxyethylene carboxylate 5g, polyoxyethylene nonylphenol ether 6g, xanthans 0.5g, ethylene glycol 2g, organosilicon 0.5g, add water to 100g, to mix through wet grinding, homogenizing, makes the present composition 20% suspending agent.
Embodiment 4:
Cyazofamid 40g, fludioxonil 20g, sodium methylene bis-naphthalene sulfonate 8g, lauryl sodium sulfate 5g, white carbon 10g, diatomite are added to 100g, mix and make the present composition 60% wetting powder through air-flow crushing.
Embodiment 5:
By cyazofamid 5g, fludioxonil 10g, dimethylbenzene 6g, polyoxyethylene nonylphenol ether 10g, alkylphenol polyoxyethylene phosphate 1g, polyethylene glycol 2g, xanthans 0.1g, silicone compound 0.1g, suitable quantity of water, preparation oil phase, preparation water, under high shear, to in the even water of oil phase or by water, add in oil phase, shear and make the present composition 15% aqueous emulsion.
Embodiment 6:
By cyazofamid 24g, fludioxonil 6g, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 7g, polyoxyethylene nonylphenol ether 6g, xanthans 0.5g, polyvinylpyrrolidone 2g, organosilicon 0.5g, polyvinyl alcohol 2g, basic rhodamine 0.5g, add water to 100g, mixing is through wet grinding, homogenizing, makes the present composition 30% suspension seed-coating agent.
A kind of bactericidal composition that contains cyazofamid and fludioxonil of the present invention is described by concrete example, those skilled in the art can use for reference content of the present invention, the links such as appropriate change raw material, process conditions realize corresponding other object, its relevant change does not all depart from content of the present invention, within all similar replacements and change will become apparent to those skilled in the art that and be all deemed to be included in scope of the present invention.
Claims (9)
1. a bactericidal composition that contains cyazofamid and fludioxonil, is characterized in that, the contained active component of described composition is cyazofamid and fludioxonil, and the weight ratio of described cyazofamid and fludioxonil is 45: 1～1: 50.
2. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and fludioxonil is 45: 2～4: 35.
3. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and fludioxonil is 5: 1～1: 3.
4. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and fludioxonil is 1: 1.
5. according to the arbitrary described bactericidal composition of claim 1 to 4, it is characterized in that, described combination dosage form is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, missible oil or seed coat agent.
6. according to the bactericidal composition of claim 5, it is characterized in that, described cyazofamid and the fludioxonil percentage by weight in above-mentioned formulation is 5～85%.
7. according to the purposes of the arbitrary described bactericidal composition controlling plant diseases of claim 1 to 4.
8. according to the purposes of claim 7, described plant disease is tomato late blight (Phytophthora infestans), cucumber downy mildew (Pseudoperonospora cubensi s), downy mildew of garpe (Plasmopara viticola), Chinese cabbage downy mildew (Peronospora parasitica), powdery mildew (Erysiphe), gray mold (Botytiscinerea), club root (Albinocandid), bacterial wilt (Ralstonia solanacearum), pear scab (Venturia piritna), ring rot of apple (Physalospora piricola), spot defoliation (Alternaria mali), citrus anthracnose (Colletotrichum gloeosprioides), capsicum epidemic disease (Alternariasolani), leaf spot of peanut (Cercosporidium state), sclerotinia rot of colza (Sclerotinia sclerotiorum), potato late blight (Potato Late Bright), oranges and tangerines foot rot (Phytophthora parasitica), cotton seedling blight (Rhizoctonia solani) or red rot (Fusarium moniliforme).
9. purposes according to Claim 8, described plant disease is downy mildew of garpe, sclerotinia rot of colza, Chinese cabbage downy mildew, cotton seedling blight or oranges and tangerines foot rot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310665194.2A CN103719091A (en) | 2013-12-09 | 2013-12-09 | Sterilization composite containing cyazofamid and fludioxonil |
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| CN201310665194.2A CN103719091A (en) | 2013-12-09 | 2013-12-09 | Sterilization composite containing cyazofamid and fludioxonil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064851A (en) * | 2016-11-11 | 2018-05-25 | 华中师范大学 | A kind of composition pesticide and its application containing benzothiostrobin and fludioxonil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108064851A (en) * | 2016-11-11 | 2018-05-25 | 华中师范大学 | A kind of composition pesticide and its application containing benzothiostrobin and fludioxonil |
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