CN103155924A - Sterilization composition containing penthiopyrad - Google Patents
Sterilization composition containing penthiopyrad Download PDFInfo
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- CN103155924A CN103155924A CN2011104375402A CN201110437540A CN103155924A CN 103155924 A CN103155924 A CN 103155924A CN 2011104375402 A CN2011104375402 A CN 2011104375402A CN 201110437540 A CN201110437540 A CN 201110437540A CN 103155924 A CN103155924 A CN 103155924A
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- cyprodinil
- pyrrole metsulfovax
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Abstract
The invention discloses a sterilization composition containing penthiopyrad. Effective constituents of the sterilization composition containing the penthiopyrad are the penthiopyrad and cyprodinil. The proportion of the penthiopyrad and the cyprodinil is 50:1-1:50. The composition has obvious synergism and can be used for preventing and curing botrytis and powdery mildew of crops such as melons, fruits and vegetables.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition that contains the pyrrole metsulfovax.
Background technology
In recent years, due to single drug and Scientific Usage of Drugs not, cause many diseases to produce resistance to the agricultural chemicals of current use, as gray mold, powdery mildew, scab etc., become a great problem of chemical control.Simultaneously, frequent dispenser causes again peasant burden to increase the weight of and increasing environmental pollution.Therefore, be badly in need of the bactericide new varieties of efficient, low toxicity, environmental protection.
Pyrrole metsulfovax (penthiopyrad), the novel acid amide fungicides of Mitsui chemical company research and development.Not only rust, stalk break there are excellent activity, gray mold, powdery mildew and apple scab are also demonstrated bactericidal activity preferably.Existing recommended for gray mold and the powdery mildew of control to other bactericide tool resistances.Use separately but the pyrrole metsulfovax is long-term, can produce very large resistance risk, be unfavorable for effective control of disease.
Cyprodinil (Cyprodinil), its mechanism of action is the methionine biosynthesis inhibitor, works after spore germination, the process that penetrates of Antifungi and mycelial growth.Same triazole type, imidazoles, morpholine class, phenylpyrrole class etc. are without cross resistance.Be mainly used in preventing and treating gray mold, powdery mildew etc.But cyprodinil control spectrum relative narrower, and independent, continuous, increment uses for a long time, is unfavorable for effective control of disease, can produce very large resistance risk.
Composite and the application of pyrrole metsulfovax and cyprodinil at present there is no the people and reported.
Summary of the invention
The object of the invention is to: a kind of efficient bactericidal composition that pesticide resistance produces, is fit to the upper use of agricultural that is conducive to reduce is provided.
For solving the problems of the technologies described above, the inventor is by a large amount of biologicall test screening tests, and unexpected discovery pyrrole metsulfovax and cyprodinil are composite with certain proportion, and gray mold, powdery mildew etc. 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, it is a kind of bactericidal composition, it is characterized in that take pyrrole metsulfovax and cyprodinil as active ingredient, the mass ratio of pyrrole metsulfovax and cyprodinil is 50: 1-1: 50, and ratio is 20 preferably: 1-1: 20, better ratio is 5: 1-1: 5.
The present composition can be prepared into known method the formulation that is fit to agricultural use, and in preparation, the total content of active ingredient is 5%-80%.
Comprise also except active ingredient in composition of the present invention that the auxiliary element such as dispersant, wetting agent, antifreezing agent and other are of value to the known substance of active ingredient stable and drug effect performance in storing and using, all various compositions commonly used in pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to formula.
Composition described in the invention can the finished product preparation form provide, and namely in composition, each material mixes, and the composition of composition also can provide with the single dose form, directly directly mixes in bucket or tank before use, then is diluted to required concentration.
Bactericidal composition of the present invention is applicable to prevent and treat gray mold of cucumber, powdery mildew of cucumber, grey mould of lettuce, graw mold of tomato, grey mould fruit rot of strawberry, powdery mildew of strawberry etc.
Compared with prior art, the beneficial effect that the present invention produces is: (1) is compared with single dose, this bactericidal composition has obvious synergy to gray mold of cucumber, powdery mildew of cucumber, grey mould of lettuce, graw mold of tomato, grey mould fruit rot of strawberry, powdery mildew of strawberry, has improved control efficiency; (2) can reduce the field dosage, effectively environmental contamination reduction and residue of pesticide.(3) in bactericidal composition, the mechanism of action of active ingredient is different, is conducive to avoid and delays the drug-fast generation of germ.(4) compare with single medicament, can reduce and produce and use cost.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to absolutely not these examples.
The present composition take the pyrrole metsulfovax as a kind of active ingredient, cyprodinil is another kind of active ingredient, combination between them is applicable to prevent and treat gray mold, powdery mildew, has obvious synergistic function, and be not only the simple addition of two kinds of pharmacy effects, see biologicall test embodiment 1,2 for details.
Biologicall test embodiment 1: the composite Toxicity Determination to gray mold of cucumber of pyrrole metsulfovax and cyprodinil
Subjects: the gray mold of cucumber germ (pick up from the field, and through separation and purification)
Test method: test is with reference to " pesticide bioassay technology " (old spring chief editor, publishing house of Beijing Agricultural University publishes), and " farm-chemical indoor determination test rule NY/T1156.10-2008 ", adopts gray mold of cucumber indoor pot determination method.On the basis of preliminary experiment, select 2 leaf periods, the consistent melon seedling of growing way, write tag number, insert in potted plant cucumber seedling basin with permanent pen, discharging according to the order of sequence.Adopt the foliar spray method, medicament is sprayed on the melon seedling leaf, will try material after spraying is processed and dry in the shade in fume hood or greenhouse and inoculate after 24h.7d investigation prevention effect is cultivated in moisturizing in the greenhouse, grade scale is carried out State Standard of the People's Republic of China " pesticide field efficacy medicine test criterion () ", calculate control efficiency with disease index, carry out statistical analysis with the DPS data processing software, calculate the EC of each medicament
50, then press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, the composition performance is for antagonism, and when 80＜CTC＜120, the composition performance is for summation action, and when CTC 〉=120, the composition performance is synergistic effect.
The composite Toxicity Determination result to gray mold of cucumber of table 1 pyrrole metsulfovax and cyprodinil
The result of table 1 shows, pyrrole metsulfovax and cyprodinil are at proportioning 50: 1-1: 50 o'clock, gray mold of cucumber all there is synergistic effect, and especially 20: 1-1: in the time of between 20, listed proportioning co-toxicity coefficient is all higher than 152.2, and synergistic effect is more obvious.
Biologicall test embodiment 2: the composite Toxicity Determination to powdery mildew of cucumber of pyrrole metsulfovax and cyprodinil
Subjects: powdery mildew of cucumber germ
Test method: pot-culture method is adopted in this test.Sowing sense powdery mildew of cucumber kind potted plantly is cultured to 2～4 leaf periods, numbers standby.With the pure water that is added with a small amount of surface reactive material, draw the fresh spore that covers with on the Powdery Mildew cucumber leaves, making spore concentration is 1 * 10
5Individual/mL spore suspension is standby.On the basis of preliminary experiment, active according to medicament, 5～7 series mass concentration are set.Liquid is evenly sprayed in the blade face to all wetting, treat that the liquid natural air drying is standby.Every processing 3 basins repeat for 4 times, and establish the processing that only contains solvent and surfactant and do not contain effective composition as blank.24h after medicine, inoculation powdery mildew spore.Cultivate 7d in the greenhouse after, add up the lesion area on every strain cucumber seedling blade, calculate disease index and control efficiency.Calculating, statistical analysis technique are with biologicall test example 1.Toxicity test the results are shown in Table 2.
The composite Toxicity Determination result to powdery mildew of cucumber of table 2 pyrrole metsulfovax and cyprodinil
The result of table 2 shows, pyrrole metsulfovax and cyprodinil are at proportioning 50: 1-1: 50 o'clock, powdery mildew of cucumber all there is synergistic effect, and especially 20: 1-1: in the time of between 20, listed proportioning co-toxicity coefficient is all higher than 152.9, and synergistic effect is more obvious.
Bactericidal composition of the present invention can be prepared into known method wetting powder, suspending agent, suspension emulsion, the water dispersible granules that is fit to agricultural use.Below describe with specific embodiment, in present specification, active component or active ingredient refer to pyrrole metsulfovax and cyprodinil, in formula, percentage is mass percent, below repeats no more.
Embodiment 1:10.5% pyrrole metsulfovax cyprodinil suspending agent
The ratio of each components such as the former medicine of active component, dispersant, wetting agent and water in formula mixed, obtain 10.5% pyrrole metsulfovax cyprodinil suspending agent after grinding and/or high speed shear.
This embodiment is applied to prevent and treat gray mold of cucumber.With 1500 times of 10.5% pyrrole metsulfovax cyprodinil suspending agent thin ups (pyrrole metsulfovax valid density is 66.67 μ g/ml, and cyprodinil valid density is 3.33 μ g/ml) sprayings, after medicine, the control efficiency of 7 days and 15 days is respectively 97.1%, 94.3%.20% pyrrole metsulfovax suspending agent by 2000 times (valid density is 100 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 93.8% and 90.0%, and after medicine, 15 days is 88.2% and 85.4%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of gray mold of cucumber, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 2:48% pyrrole metsulfovax cyprodinil suspension emulsion
The ratio of each components such as cyprodinil, dispersant, wetting agent and water in formula mixed, obtain suspending agent after grinding and/or high speed shear, then with pyrrole metsulfovax, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, obtain 48% pyrrole metsulfovax cyprodinil suspension emulsion.
This embodiment is applied to prevent and treat grey mould fruit rot of strawberry.(pyrrole metsulfovax valid density is 133.3 μ g/ml by 3000 times with 48% pyrrole metsulfovax cyprodinil suspension emulsion, cyprodinil valid density is 26.67 μ g/ml) thin up spraying, after medicine, the control efficiency of 7 days and 15 days is respectively 93.7%, 90.8%.15% pyrrole metsulfovax suspending agent by 1000 times (valid density is 150 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 89.4% and 86.7%, and after medicine, 15 days is 83.5% and 81.7%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of grey mould fruit rot of strawberry, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 3:55% pyrrole metsulfovax cyprodinil water dispersible granules
Active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruding to make material.Obtain 55% pyrrole metsulfovax cyprodinil water dispersible granules after the drying screening.
This embodiment is applied to prevent and treat powdery mildew of cucumber.(pyrrole metsulfovax valid density is 16.67 μ g/ml by 3000 times with 55% pyrrole metsulfovax cyprodinil suspension emulsion, cyprodinil valid density is 166.67 μ g/ml) thin up spraying, after medicine, the control efficiency of 7 days and 15 days is respectively 95.9%, 92.7%.15% pyrrole metsulfovax suspending agent by 1500 times (valid density is 100 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 86.1% and 80.5%, and after medicine, 15 days is 83.5% and 78.7%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of powdery mildew of cucumber, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 4:50% pyrrole metsulfovax cyprodinil wetting powder
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, namely get 50% pyrrole metsulfovax cyprodinil wetting powder.
This embodiment is applied to prevent and treat grey mould of lettuce.50% pyrrole metsulfovax cyprodinil suspension emulsion is sprayed by 2500 times of (pyrrole metsulfovax valid density is 100 μ g/ml, and cyprodinil valid density is 100 μ g/ml) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 94.3%, 90.7%.20% pyrrole metsulfovax suspending agent by 1500 times (valid density is 133.33 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 82.9% and 80.7%, and after medicine, 15 days is 80.5% and 77.6%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of grey mould of lettuce, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 5:30.6% pyrrole metsulfovax cyprodinil wetting powder
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, namely get 30.6% pyrrole metsulfovax cyprodinil wetting powder.
This embodiment is applied to control joint melon powdery mildew.30.6% pyrrole metsulfovax cyprodinil suspension emulsion is sprayed by 2500 times of (pyrrole metsulfovax valid density is 100 μ g/ml, and cyprodinil valid density is 100 μ g/ml) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 96.1%, 92.3%.20% pyrrole metsulfovax suspending agent by 1500 times (valid density is 133.33 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 88.3% and 85.6%, and after medicine, 15 days is 84.5% and 81.7%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of joint melon powdery mildew, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 6:52.5% pyrrole metsulfovax cyprodinil suspension emulsion
The ratio of each components such as cyprodinil, dispersant, wetting agent and water in formula mixed, obtain suspending agent after grinding and/or high speed shear, then with pyrrole metsulfovax, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, obtain 52.5% pyrrole metsulfovax cyprodinil suspension emulsion.
This embodiment is applied to prevent and treat grey mould fruit rot of strawberry.52.5% pyrrole metsulfovax cyprodinil suspension emulsion is sprayed by 2500 times of (pyrrole metsulfovax valid density is 10 μ g/ml, and cyprodinil valid density is 200 μ g/ml) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 96.8%, 93.3%.15% pyrrole metsulfovax suspending agent by 1500 times (valid density is 100 μ g/ml) and 50% cyprodinil water dispersible granules by 1000 times (valid density is 500 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 85.0% and 82.4%, and after medicine, 15 days is 83.9% and 79.7%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of grey mould fruit rot of strawberry, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 7:76.5% pyrrole metsulfovax cyprodinil suspending agent
The ratio of each components such as the former medicine of active component, dispersant, wetting agent and water in formula mixed, obtain 76.5% pyrrole metsulfovax cyprodinil suspending agent after grinding and/or high speed shear.
This embodiment is applied to prevent and treat powdery mildew of strawberry.76.5% pyrrole metsulfovax cyprodinil suspending agent is sprayed by 2500 times of (pyrrole metsulfovax valid density is 6 μ g/ml, and cyprodinil valid density is 300 μ g/ml) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 96.8%, 94.7%.20% pyrrole metsulfovax suspending agent by 2000 times (valid density is 100 μ g/ml) and 50% cyprodinil water dispersible granules by 1500 times (valid density is 333.33 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 85.2% and 83.4%, and after medicine, 15 days is 83.9% and 81.7%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of powdery mildew of strawberry, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Embodiment 8:54% pyrrole metsulfovax cyprodinil water dispersible granules
Active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruding to make material.Obtain 54% pyrrole metsulfovax cyprodinil water dispersible granules after the drying screening.
This embodiment is applied to prevent and treat graw mold of tomato.54% pyrrole metsulfovax cyprodinil water dispersible granules is sprayed by 2000 times of (pyrrole metsulfovax valid density is 45 μ g/ml, and cyprodinil valid density is 225 μ g/ml) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 98.1%, 94.3%.15% pyrrole metsulfovax suspending agent by 1500 times (valid density is 100 μ g/ml) and 50% cyprodinil water dispersible granules by 1500 times (valid density is 333.33 μ g/ml), use with same method, after medicine, the preventive effect of 7 days is respectively 86.4% and 82.7%, and after medicine, 15 days is 84.5% and 81.8%.The composite rear synergistic effect of pyrrole metsulfovax and cyprodinil is obvious, and significantly better than single dose, not only control efficiency improves to the preventive effect of graw mold of tomato, and the amount ratio of active ingredient obviously reduces when using separately, has also alleviated the pollution to environment simultaneously.
Claims (4)
1. bactericidal composition, it is characterized in that: in described bactericidal composition, active ingredient is pyrrole metsulfovax and cyprodinil, the mass ratio of pyrrole metsulfovax and cyprodinil is 50: 1-1: 50.
2. a kind of bactericidal composition according to claim 1, it is characterized in that: the mass ratio of active ingredient pyrrole metsulfovax and cyprodinil is 20: 1-1: 20.
3. a kind of bactericidal composition according to claim 2, it is characterized in that: the mass ratio of active ingredient pyrrole metsulfovax and cyprodinil is 5: 1-1: 5.
4. the application of the described bactericidal composition of any one in claims 1 to 3 is characterized in that: bactericidal composition is used for preventing and treating gray mold, powdery mildew.
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| CN2011104375402A CN103155924A (en) | 2011-12-18 | 2011-12-18 | Sterilization composition containing penthiopyrad |
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| CN2011104375402A CN103155924A (en) | 2011-12-18 | 2011-12-18 | Sterilization composition containing penthiopyrad |
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Cited By (2)
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| CN103651485A (en) * | 2012-09-11 | 2014-03-26 | 陕西美邦农药有限公司 | Efficient bactericidal composition containing penthiopyrad |
| CN103734280A (en) * | 2013-12-18 | 2014-04-23 | 广西科技大学 | Fructus momordicae preservative and application method thereof |
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| WO2006105888A2 (en) * | 2005-04-06 | 2006-10-12 | Bayer Cropscience Ag | Synergistic fungicidal active substance combinations |
| WO2007039214A1 (en) * | 2005-09-29 | 2007-04-12 | Syngenta Participations Ag | Fungicidal compositions |
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| CN103651485A (en) * | 2012-09-11 | 2014-03-26 | 陕西美邦农药有限公司 | Efficient bactericidal composition containing penthiopyrad |
| CN103734280A (en) * | 2013-12-18 | 2014-04-23 | 广西科技大学 | Fructus momordicae preservative and application method thereof |
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Application publication date: 20130619 |