CN103719100A - Sterilization composite containing cyazofamid and flutriafol - Google Patents
Sterilization composite containing cyazofamid and flutriafol Download PDFInfo
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- CN103719100A CN103719100A CN201310662695.5A CN201310662695A CN103719100A CN 103719100 A CN103719100 A CN 103719100A CN 201310662695 A CN201310662695 A CN 201310662695A CN 103719100 A CN103719100 A CN 103719100A
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Abstract
The invention relates to a sterilization composite containing cyazofamid and flutriafol and application of the sterilization composite. The sterilization composite comprises cyazofamid and flutriafol, wherein the weight ratio of cyazofamid to flutriafol is (42:1)-(1:45). 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 Flutriafol, 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.
Flutriafol (Flutriafol, CAS 76674-21-0) is triazole bactericidal agent, and the mechanism of action is sterol demethylation inhibitor, due to absorption in having well, therefore can promptly be absorbed by plants, and in conducted inside; There is good protection and therapeutic activity.Can prevent and treat many fungal diseases that sac fungi, basidiomycetes and imperfect fungus cause.
Although cyazofamid has above-mentioned advantage, because cost is too high, at present domestic almost not application.Although Flutriafol drug effect is high, control spectrum is wide, application is also comparatively extensive at present, but the angle from pesticides application, the a certain agricultural chemicals of long-term single use, all easily cause preventive effect to reduce, the problem such as consumption increases, develop immunity to drugs, lasting period shortening, residual risk strengthens, and 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 Flutriafol.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 Flutriafol 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, residual little, consumption is low, cost is low, the lasting period is long and have the bactericidal composition that contains cyazofamid and Flutriafol of synergistic effect.
Two of object of the present invention is to provide the purposes of a kind of bactericidal composition that contains cyazofamid and Flutriafol for control economic disease of pests evil.
The object of the present invention is achieved like this:
A bactericidal composition that contains cyazofamid and Flutriafol, the contained active component of described composition is cyazofamid and Flutriafol, the weight ratio of described cyazofamid and Flutriafol is 42:1～1:45.
The preferred weight ratio of described cyazofamid and Flutriafol is 35:5～3:45;
More preferably, the weight ratio of the two is 15:1～1:5;
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 Flutriafol 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 Flutriafol as above, is for control economic disease of pests evil by described Bactericidal composite, preferably, described disease is: soybean downey mildew, phytophthora root rot, root rot, rust, tomato late blight, the climing rot of watermelon, fusarium wilt, tea gall, bud blight, downy mildew of garpe, powdery mildew, gray mold, white rot, anthrachose of grape, vegetables downy mildew, club root, powdery mildew, tobacco downy mildew, balck shank, damping off, pear scab, ring spot, black spot, apple scab, ring spot, spot defoliation, rot, citrus anthracnose, foot rot, blossom-end rot, capsicum epidemic disease, leaf spot of peanut, damping off, sclerotinia rot of colza, potato late blight, cotton seedling blight, red rot, coffee rust, brown spot, mango anthracnose, blossom-end rot, sigatoka, scab, anthracnose, bunchy top, sheath maize ear rot, Prospect on Kiwifruit Bacterial Canker etc.Be preferred for the control of oranges and tangerines foot rot, tobacco downy mildew, potato late blight, apple canker and anthracnose of grape.
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.
(powder) 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 Flutriafol, 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 oranges and tangerines foot rot pathogen of cyazofamid and Flutriafol
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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, Flutriafol and the two different proportion thereof the results are shown in Table 1 to the toxicity test of oranges and tangerines foot rot pathogen, and in table 1, " cyanogen: powder " is writing a Chinese character in simplified form of " cyazofamid: Flutriafol ".
Table 1 cyazofamid and the Flutriafol toxicity test result to oranges and tangerines foot rot pathogen that is mixed
Indoor biometrics result shows: cyazofamid and Flutriafol are mixed with 1:1,1:5,1:10,1:15,5:1,10:1 and 15:1 ratio, it all shows synergistic effect to oranges and tangerines foot rot pathogen, wherein the most obvious with the ratio mixed synergies of 1:1,1:5,5:1,10:1 and 15:1.Consider cyazofamid and Flutriafol composite better with 1:5～15:1 to the control of oranges and tangerines foot rot.
The example 2 of measuring in kind: the composite toxicity test to tobacco downy mildew bacterium of cyazofamid and Flutriafol
1, subjects: tobacco downy mildew bacterium [Latin formal name used at school: Peronospora tabacina Adam]
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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, Flutriafol and the two different proportion thereof the results are shown in Table 2 to the toxicity test of tobacco downy mildew bacterium, and in table 2, " cyanogen: powder " is writing a Chinese character in simplified form of " cyazofamid: Flutriafol ".
Table 2 cyazofamid and the Flutriafol toxicity test result to tobacco downy mildew bacterium that is mixed
Indoor biometrics result shows: cyazofamid and Flutriafol are mixed with 1:1,1:4,1:8,1:12,4:1,8:1 and 12:1 ratio, it all shows synergistic effect to tobacco downy mildew bacterium, wherein the most obvious with the ratio mixed synergies of 1:1,1:4,1:8,4:1,8:1 and 12:1.Consider cyazofamid and Flutriafol composite better with 1:8～12:1 to the control of tobacco downy mildew.
The example 3 of measuring in kind: the toxicity test of cyazofamid and the composite Phytophthora infestans of Flutriafol
1, subjects: phytophthora infestans [Latin formal name used at school: Phytophthora infestans (Mont.) de Bary]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.12-2008 > >, 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/T1156.12-2008 > >, 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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The toxicity test of the combination Phytophthora infestans that is mixed of cyazofamid, Flutriafol and the two different proportion thereof the results are shown in Table 3, and in table 3, " cyanogen: powder " is writing a Chinese character in simplified form of " cyazofamid: Flutriafol ".
The be mixed toxicity test result of Phytophthora infestans of table 3 cyazofamid and Flutriafol
Indoor biometrics result shows: cyazofamid and Flutriafol are mixed with 1:1,1:3,1:9,1:18,3:1,9:1 and 18:1 ratio, its Phytophthora infestans shows synergistic effect, wherein the most obvious with the ratio mixed synergies of 1:1,1:3,3:1,9:1 and 18:1.Consider cyazofamid and Flutriafol composite better with 1:3～18:1 to the control of potato late blight.
The example 4 of measuring in kind: the composite toxicity test to Valsa mali of cyazofamid and Flutriafol
1, subjects: Valsa mali [Latin formal name used at school: Cytospora mandshurica Miura]
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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, Flutriafol and the two different proportion thereof the results are shown in Table 4 to the toxicity test of Valsa mali, and in table 4, " cyanogen: powder " is writing a Chinese character in simplified form of " cyazofamid: Flutriafol ".
Table 4 cyazofamid and the Flutriafol toxicity test result to Valsa mali that is mixed
Indoor biometrics result shows: cyazofamid and Flutriafol are mixed with 1:1,1:3,1:6,1:9,3:1,6:1 and 9:1 ratio, it shows synergistic effect to Valsa mali, wherein the most obvious with the ratio mixed synergies of 1:1,1:3,1:6,1:9,3:1 and 6:1.Consider cyazofamid and Flutriafol composite better with 1:9～6:1 to the control of apple canker disease.
The example 5 of measuring in kind: the composite toxicity test to Elsinǒe ampelina of cyazofamid and Flutriafol
1, subjects: Elsinǒe ampelina [Latin formal name used at school: Sphaceloma ampelinum]
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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, Flutriafol and the two different proportion thereof the results are shown in Table 5 to the toxicity test of Elsinǒe ampelina, and in table 5, " cyanogen: powder " is writing a Chinese character in simplified form of " cyazofamid: Flutriafol ".
Table 5 cyazofamid and the Flutriafol toxicity test result to Elsinǒe ampelina that is mixed
Indoor biometrics result shows: cyazofamid and Flutriafol are mixed with 1:1,1:3,1:5,1:9,3:1,5:1 and 9:1 ratio, it shows synergistic effect to Elsinǒe ampelina, wherein the most obvious with the ratio mixed synergies of 1:1,1:3,1:5,1:9,3:1 and 5:1.Consider cyazofamid and Flutriafol composite better with 1:9～5:1 to the control of anthracnose of grape.
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 5g, Flutriafol 15g, cyclohexanone 15g, turpentine oil are added to 100g, be mixed to even liquid phase, make the present composition 20% missible oil.
Embodiment 2:
Cyazofamid 30g, Flutriafol 10g, polyoxyethylene nonylphenol ether 8g, lauryl sodium sulfate 6g, Magnesiumaluminumsilicate 1g, diatomite are added to 100g, through mixing, ultra-fine grinding, granulation, make the present composition 40% water dispersible granules.
Embodiment 3:
By cyazofamid 35g, Flutriafol 5g, polyoxyethylene carboxylate 5g, alkylphenol polyoxyethylene 6g, xanthans 0.5g, propane diols 2g, organosilicon 0.5g, add water to 100g, to mix through wet grinding, homogenizing, makes the present composition 40% suspending agent.
Embodiment 4:
Cyazofamid 20g, Flutriafol 50g, sodium lignin sulfonate 8g, lauryl sodium sulfate 5g, white carbon 10g, bentonite are added to 100g, mix and make the present composition 70% wetting powder through air-flow crushing.
Embodiment 5:
By cyazofamid 10g, Flutriafol 15g, turpentine oil 6g, polyoxyethylene nonylphenol ether 10g, alkylphenol polyoxyethylene phosphate 1g, polyvinyl alcohol 2g, xanthans 0.1g, add water to 100g, 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 25% aqueous emulsion.
Embodiment 6:
By cyazofamid 5g, Flutriafol 5g, polyoxyethylene carboxylate 6g, polyoxyethylene nonylphenol ether 5g, Magnesiumaluminumsilicate 1g, polyvinyl alcohol 2g, organosilicon 0.5g, ethylene glycol 2g, basic rhodamine 0.5g, add water to 100g, mixing is through wet grinding, homogenizing, makes the present composition 10% suspension seed-coating agent.
A kind of bactericidal composition that contains cyazofamid and Flutriafol 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 Flutriafol, is characterized in that, the contained active component of described composition is cyazofamid and Flutriafol, and the weight ratio of described cyazofamid and Flutriafol is 42:1～1:45.
2. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and Flutriafol is 35:5～3:45.
3. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and Flutriafol is 15:1～1:5.
4. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and Flutriafol 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 Flutriafol 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 soybean downey mildew, phytophthora root rot, root rot, rust, tomato late blight, the climing rot of watermelon, fusarium wilt, tea gall, bud blight, downy mildew of garpe, powdery mildew, gray mold, white rot, anthrachose of grape, vegetables downy mildew, club root, powdery mildew, tobacco downy mildew, balck shank, damping off, pear scab, ring spot, black spot, apple scab, ring spot, spot defoliation, rot, citrus anthracnose, foot rot, blossom-end rot, capsicum epidemic disease, leaf spot of peanut, damping off, sclerotinia rot of colza, potato late blight, cotton seedling blight, red rot, coffee rust, brown spot, mango anthracnose, blossom-end rot, sigatoka, scab, anthracnose, bunchy top, sheath maize ear rot or Prospect on Kiwifruit Bacterial Canker.
9. purposes according to Claim 8, described plant disease is oranges and tangerines foot rot, tobacco downy mildew, potato late blight, apple canker or anthracnose of grape.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106416840A (en) * | 2016-09-27 | 2017-02-22 | 四川农业大学 | Integrated prevention and treatment method of brown spot of kiwi fruits |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106416840A (en) * | 2016-09-27 | 2017-02-22 | 四川农业大学 | Integrated prevention and treatment method of brown spot of kiwi fruits |
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Application publication date: 20140416 |