CN103719099A - Sterilization composite containing cyazofamid and tetraconazole - Google Patents
Sterilization composite containing cyazofamid and tetraconazole Download PDFInfo
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- CN103719099A CN103719099A CN201310662456.XA CN201310662456A CN103719099A CN 103719099 A CN103719099 A CN 103719099A CN 201310662456 A CN201310662456 A CN 201310662456A CN 103719099 A CN103719099 A CN 103719099A
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- tetraconazole
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- rot
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Abstract
The invention relates to a sterilization composite containing cyazofamid and tetraconazole and application of the sterilization composite. The sterilization composite comprises cyazofamid and tetraconazole, wherein the weight ratio of cyazofamid to tetraconazole is (40:1)-(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 tetraconazole, 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.Although cyazofamid has above-mentioned advantage, because cost is too high, at present domestic almost not application.
Tetraconazole (Tetraconazole, CAS 112281-77-3) is the triazole bactericidal agent of developing in recent years, 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.Lasting period is longer, generally at about 6 weeks.This medicament disinfecting spectrum is wide, can be used for the control of the diseases such as paddy rice, cereal crop, fruit, vegetables, horticultural crop.And under recommended dose, can promote plant growth, make it well developed root system, strengthen photosynthesis, increase plant effective tiller, strengthen 'Gulibao ' plant growth regulator solidity and thousand kernel weight, thereby output is provided.
Although cyazofamid has above-mentioned advantage, because cost is too high, at present domestic almost not application.Although tetraconazole 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 tetraconazole.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 tetraconazole 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 the bactericidal composition that contains cyazofamid and tetraconazole of synergistic effect.
Two of object of the present invention is to provide a kind of bactericidal composition that contains cyazofamid and tetraconazole 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 tetraconazole, the contained active component of described composition is cyazofamid and tetraconazole, the weight ratio of described cyazofamid and tetraconazole is 40:1～1:45.
The preferred weight ratio of described cyazofamid and tetraconazole is 35:5～3:45;
More preferably, the weight ratio of the two is 3:1～1:6;
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 tetraconazole 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 tetraconazole 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, anthracnose, tea gall, bud blight, downy mildew of garpe, powdery mildew, gray mold, vegetables downy mildew, club root, fusarium wilt, tobacco bacterial wilt, balck shank, damping off, anthracnose, pear scab, ring rot of apple, spot defoliation, citrus anthracnose, foot rot, capsicum epidemic disease, leaf spot of peanut, damping off, sclerotinia rot of colza, downy mildew, potato late blight, cotton seedling blight, red rot etc.
Be preferred for the control of phytophthora root rot of soybean, the climing rot of watermelon, tobacco damping off, tea tree anthracnose and cotton seedling blight.
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 tetraconazole, 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 phytophthora sojae kaufmann&gerdemann of cyazofamid and tetraconazole
1, subjects: phytophthora sojae kaufmann&gerdemann [Latin formal name used at school:
PhytophthorasojaeKaufmann&Gerdemann]
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, tetraconazole and the two different proportion thereof the results are shown in Table 1 to the toxicity test of phytophthora sojae kaufmann&gerdemann, and in table 1, " cyanogen: four " is writing a Chinese character in simplified form of " cyazofamid: tetraconazole ".
Table 1 cyazofamid and the tetraconazole toxicity test result to phytophthora sojae kaufmann&gerdemann that is mixed
Indoor biometrics result shows: cyazofamid and tetraconazole 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 phytophthora sojae kaufmann&gerdemann, wherein the most obvious with the ratio mixed synergies of 1:1,1:5,5:1,10:1 and 15:1.Consider cyazofamid and tetraconazole composite better with 1:5～15:1 to the control of phytophthora root rot of soybean.
The example 2 of measuring in kind: the composite toxicity test to watermelon anthrax bacteria of cyazofamid and tetraconazole
1, subjects: watermelon anthrax bacteria [Latin formal name used at school: Colletotrichum orbiculare (Berk. & Ment.)]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.14-2008 > >, 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/T1156.14-2008 > >, 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 combination that is mixed of cyazofamid, tetraconazole and the two different proportion thereof the results are shown in Table 2 to the toxicity test of watermelon anthrax bacteria, and in table 2, " cyanogen: four " is writing a Chinese character in simplified form of " cyazofamid: tetraconazole ".
Table 2 cyazofamid and the tetraconazole toxicity test result to watermelon anthrax bacteria that is mixed
Indoor biometrics result shows: cyazofamid and tetraconazole 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 watermelon anthrax bacteria, wherein the most obvious with the ratio mixed synergies of 1:1,1:4,4:1,8:1 and 12:1.Consider cyazofamid and tetraconazole composite better with 1:4～12:1 to the control of watermelon anthrax.
The example 3 of measuring in kind: the composite toxicity test to tobacco da mping-off fungi of cyazofamid and tetraconazole
1, subjects: tobacco da mping-off fungi [Latin formal name used at school: Pythium spinosum Sawada]
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, tetraconazole and the two different proportion thereof the results are shown in Table 3 to the toxicity test of tobacco da mping-off fungi, and in table 3, " cyanogen: four " is writing a Chinese character in simplified form of " cyazofamid: tetraconazole ".
Table 3 cyazofamid and the tetraconazole toxicity test result to tobacco da mping-off fungi that is mixed
Indoor biometrics result shows: cyazofamid and tetraconazole are mixed with 1:1,1:3,1:9,1:15,3:1,9:1 and 15:1 ratio, it all shows synergistic effect to tobacco da mping-off fungi, wherein the most obvious with the ratio mixed synergies of 1:1,1:5,1:9,3:1 and 9:1.Consider cyazofamid and tetraconazole composite better with 1:9～9:1 to the control of tobacco damping off.
The example 4 of measuring in kind: the composite toxicity test to tea tree anthrax bacteria of cyazofamid and tetraconazole
1, subjects: tea tree anthrax bacteria [Latin formal name used at school: Gloeosporium theae sinensis Miyake]
2, test method: with reference to < < pesticide bioassay test rule NY/T1156.14-2008 > >, 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/T1156.14-2008 > >, 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 combination that is mixed of cyazofamid, tetraconazole and the two different proportion thereof the results are shown in Table 4 to the toxicity test of tea tree anthrax bacteria, and in table 4, " cyanogen: four " is writing a Chinese character in simplified form of " cyazofamid: tetraconazole ".
Table 4 cyazofamid and the tetraconazole toxicity test result to tea tree anthrax bacteria that is mixed
Indoor biometrics result shows: cyazofamid and tetraconazole are mixed with 1:1,1:3,1:6,1:12,3:1,6:1 and 12:1 ratio, it shows synergistic effect to tea tree anthrax bacteria, wherein the most obvious with the ratio mixed synergies of 1:1,1:3,1:6 and 3:1.Consider cyazofamid and tetraconazole composite better with 1:6～3:1 to the control of tea tree anthracnose.
The example 5 of measuring in kind: the composite toxicity test to cotton rhizoctonia solani of cyazofamid and tetraconazole
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 is summation action, and CTC >=120 are synergistic effect.
5, results and analysis
The combination that is mixed of cyazofamid, tetraconazole and the two different proportion thereof the results are shown in Table 5 to the toxicity test of cotton rhizoctonia solani, and in table 5, " cyanogen: four " is writing a Chinese character in simplified form of " cyazofamid: tetraconazole ".
Table 5 cyazofamid and the tetraconazole toxicity test result to cotton rhizoctonia solani that is mixed
Indoor biometrics result shows: cyazofamid and tetraconazole are mixed with 1:1,1:3,1:5,1:9,3:1,5:1 and 9:1 ratio, it shows synergistic effect to cotton rhizoctonia solani, wherein the most obvious with the ratio mixed synergies of 1:1,1:3,1:5,3:1,5:1 and 9:1.Consider cyazofamid and tetraconazole composite better with 1:5～9:1 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 5g, tetraconazole 15g, cyclohexanone 15g, soybean oil are added to 100g, be mixed to even liquid phase, make the present composition 20% missible oil.
Embodiment 2:
Cyazofamid 10g, tetraconazole 20g, alkylphenol polyoxyethylene 8g, lauryl sodium sulfate 6g, Magnesiumaluminumsilicate 1g, diatomite are added to 100g, through mixing, ultra-fine grinding, granulation, make the present composition 30% water dispersible granules.
Embodiment 3:
By cyazofamid 25g, tetraconazole 5g, polyoxyethylene carboxylate 5g, polyoxyethylene nonylphenol ether 6g, CMC 0.5g, propane diols 2g, organosilicon 0.5g, add water to 100g, mixing is through wet grinding, and homogenizing, makes the present composition 30% suspending agent.
Embodiment 4:
Cyazofamid 10g, tetraconazole 50g, sodium lignin 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 10g, tetraconazole 10g, 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 15% aqueous emulsion.
Embodiment 6:
By cyazofamid 3g, tetraconazole 5g, polyoxyethylene carboxylate 6g, polyoxyethylene nonylphenol ether 5g, Magnesiumaluminumsilicate 0.5g, polyvinylpyrrolidone 2g, C
8-10fat alcohol compound 0.5g, polyvinyl alcohol 2g, basic rhodamine 0.5g, add water to 100g, mixes through wet grinding, and homogenizing, makes the present composition 8% suspension seed-coating agent.
A kind of bactericidal composition that contains cyazofamid and tetraconazole 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 tetraconazole, is characterized in that, the contained active component of described composition is cyazofamid and tetraconazole, and the weight ratio of described cyazofamid and tetraconazole is 40:1～1:45.
2. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and tetraconazole 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 tetraconazole is 3:1～1:6.
4. according to the bactericidal composition of claim 1, it is characterized in that, the weight ratio of described cyazofamid and tetraconazole 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 tetraconazole 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, anthracnose, tea gall, bud blight, downy mildew of garpe, powdery mildew, gray mold, vegetables downy mildew, club root, fusarium wilt, tobacco bacterial wilt, balck shank, damping off, anthracnose, pear scab, ring rot of apple, spot defoliation, citrus anthracnose, foot rot, capsicum epidemic disease, leaf spot of peanut, damping off, sclerotinia rot of colza, downy mildew, potato late blight, cotton seedling blight or red rot.
9. purposes according to Claim 8, described plant disease is phytophthora root rot of soybean, the climing rot of watermelon, tobacco damping off, tea tree anthracnose or cotton seedling blight.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920401A (en) * | 2015-06-08 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling phytophthora root rot of dendrobium nobile lindl |
| CN104920461A (en) * | 2015-06-09 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling phytophthora of paphiopedilum |
| CN104920379A (en) * | 2015-06-08 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling soft rot of oncidium |
| CN104938494A (en) * | 2015-06-09 | 2015-09-30 | 柳州市天姿园艺有限公司 | Composition for preventing and controlling phytophthora root rot of cymbidium sinensis |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150661A (en) * | 2011-02-25 | 2011-08-17 | 陕西美邦农药有限公司 | Sterilization composition containing cyazofamid and benzotriazole compounds |
-
2013
- 2013-12-09 CN CN201310662456.XA patent/CN103719099A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150661A (en) * | 2011-02-25 | 2011-08-17 | 陕西美邦农药有限公司 | Sterilization composition containing cyazofamid and benzotriazole compounds |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920401A (en) * | 2015-06-08 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling phytophthora root rot of dendrobium nobile lindl |
| CN104920379A (en) * | 2015-06-08 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling soft rot of oncidium |
| CN104920461A (en) * | 2015-06-09 | 2015-09-23 | 柳州市天姿园艺有限公司 | Composition for controlling phytophthora of paphiopedilum |
| CN104938494A (en) * | 2015-06-09 | 2015-09-30 | 柳州市天姿园艺有限公司 | Composition for preventing and controlling phytophthora root rot of cymbidium sinensis |
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Application publication date: 20140416 |