CN105379725A - Sterilizing composition containing mepanioyrim and metalaxyl and application thereof - Google Patents
Sterilizing composition containing mepanioyrim and metalaxyl and application thereof Download PDFInfo
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- CN105379725A CN105379725A CN201510753737.5A CN201510753737A CN105379725A CN 105379725 A CN105379725 A CN 105379725A CN 201510753737 A CN201510753737 A CN 201510753737A CN 105379725 A CN105379725 A CN 105379725A
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- mepanipyrim
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Abstract
The invention discloses a sterilizing composition containing mepanioyrim and metalaxyl and an application thereof. According to the sterilizing composition, the mepanioyrim and the metalaxyl serve as main active ingredients, wherein the mass ratio of the mepanioyrim to the metalaxyl is 1-70:1-50. The sterilizing composition can be applied to prevent and treat cereal diseases, fruit tree diseases and vegetable diseases, has a high synergetic effect, overcomes and delays the germicide resistance of germs and is high in sterilizing speed and long in lasting period, application cost is reduced, and the preventing and treating effect is obviously better than the single-germicide effect. The sterilizing composition can be used for preventing and treating fungal diseases on crops, and particularly can be used for preventing and treating fungal diseases such as gray mold, brown rot, scab, downy mildew and late blight, and the effect is better than the single-germicide effect.
Description
Technical field:
The present invention relates to a kind of bactericidal composition and uses thereof, especially a kind of be main active bactericidal composition and the application thereof of mepanipyrim and metalaxyl.
Background technology
Mepanipyrim (Mepanioyrim), chemical name: 4-Methyl-N-phenyl-6-(1-propinyl)-2-pyrilamine, molecular formula: C
14h
13n
3.Structural formula is as follows:
The mechanism of action: mepanipyrim has unique mechanism of action and namely suppresses pathogen Protein secretion, and comprise and reduce some hydrolase levels, these enzymes and pathogen enter people host plant and cause the necrosis of host tissue relevant by inference.Main control control apple and pear scab, cucumber, grape, strawberry and graw mold of tomato, the brown rot such as peach, pears etc.The same triazole type of methyl mepanipyrim, dithiocarbamate, benzimidazole and the mould prestige of second etc. are without cross resistance, and therefore it all has excellent activity to responsive or resistance pathogen.
Metalaxyl (Metalaxyl), molecular formula: C
15h
21nO
4, chemical name: N-(2-Methoxyacetyl)-N-(2,6-3,5-dimethylphenyl)-DL-alpha-aminopropanoate.Structural formula:
Metalaxyl is new and effective systemic fungicide.Can interior inspiration enter in plant, the general bactericide of water-soluble ratio be much higher.To the downy mildew in Oomycete and phytophthora, there is selectivity special efficacy, have good control efficiency to potato late blight, downy mildew of garpe, hop downy mildew, beet epidemic disease, white rust of colza, black shank etc.Also can be used for cotton damping off, the millet downy mildew, control efficiency is good.
The difficulty of prevention and cure of current phytopathogen is increasing, and on the one hand, along with the change of pattern of farming, the economic crops such as melon and fruit, vegetables cultivated area progressively expands, and disease occurrence degree, generation quantity all increase, and in control, difficulty strengthens; On the other hand, the resistance of pathogen rises year by year under the medicament selection pressure continued, and the control efficiency of single dose is had a greatly reduced quality, and control of plant disease is faced with significant challenge.
Summary of the invention:
The object of the invention is the plant bactericidal composition containing mepanipyrim and metalaxyl providing a kind of applied widely, cost low, effective for above-mentioned technical problem.
A further object of the invention is to provide this bactericidal composition and causes application on fungal disease at control plant epiphyte, is is especially preventing and treating the purposes on the fungal diseases such as gray mold, brown rot, scab, downy mildew, late blight.
The object of the invention is to be achieved through the following technical solutions:
A kind of bactericidal composition containing mepanipyrim and metalaxyl, this bactericidal composition with mepanipyrim and metalaxyl for principle active component, wherein the mass ratio of mepanipyrim and metalaxyl is 1 ~ 70:1 ~ 50, and wherein in bactericidal composition, effective ingredient is present in composition with enhancing effective amount.
Described bactericidal composition, wherein the mass ratio of mepanipyrim and metalaxyl is preferably 1 ~ 70:1 ~ 20, more preferably 1 ~ 30:1 ~ 20, most preferably is 30:1.
In the compositions of the present invention, the mass percentage accounting for composition both mepanipyrim and metalaxyl is 2 ~ 80%.Be preferably 10 ~ 40%.
Described bactericidal composition, wherein with mepanipyrim and metalaxyl for principle active component and known auxiliary agent and excipient are re-dubbed any one formulation that agricultural chemicals allows.These known auxiliary agents, excipients has dispersant, diffusant, defoamer, wetting agent, disintegrant etc., calcium dodecyl benzene sulfonate can be adopted, alkylphenol polyoxyethylene, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether and similar products thereof, aliphatic amine polyoxyethylene ether, fatty acid ethylene oxide addition product, the rare block compound of polyoxyethylene polyoxy third, castor oil polyoxyethylene ether, polyoxyethylene nonylphenol ether, TWEEN Series, fatty alcohol-polyoxyethylene ether, polyethylene glycol series, Sulfonates, carboxylate, sulphate, phosphate, phosphite, lignosulfonates, xanthans, phenol formaldehyde condensate, ammonium salt, one or more combinations in quaternary etc., excipient comprises cyclohexanone, dimethylbenzene, various solvent naphtha, water, antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient and other auxiliary material can be alone or and use.
Described bactericidal composition, its formulation is missible oil, wetting powder, suspending agent, aqueous emulsion, microemulsion or water dispersion granule.
The application of above-mentioned bactericidal composition on preparation control fungal diseases of plants medicine.Especially the application in control Cereal, fruit tree, vegetable crop disease.
Above-mentioned application, described fungal diseases of plants is at least one in gray mold, brown rot, scab, downy mildew, late blight.
Beneficial effect of the present invention:
1, the mepanipyrim that the present invention is used and metalaxyl, the mechanism of action is different, and mutual mixture can not produce low touching, can Synergistic, reduces dosage, reduces costs.
2, the present composition scope of application increases, and be applicable to the refractory fungal disease of preventing and treating Cereal, fruit tree, vegetables, particularly preventing and treating gray mold, brown rot, scab, downy mildew, late blight etc. all has significant effect.Bactericidal composition of the present invention has good control efficiency to sac fungi, basidiomycetes, imperfect fungus and Oomycete fungal disease; And suppress insect or fungi to the drug-fast generation of unitary agent (mepanipyrim and metalaxyl arbitrary).Bactericidal composition of the present invention can produce higher synergistic function, and the consumption of the independent reactive compound of the amount ratio of this mixture reduces greatly, and namely the activity of mixture is greater than the activity of independent component.
Compared with prior art beneficial effect of the present invention: (1) is compared with single dose, said composition antagonism fungal disease such as the fungal diseases such as gray mold, brown rot, scab, downy mildew, late blight have obvious synergistic function, overcome and delayed pesticide resistance, expanding prevention is composed, and significantly improves control efficiency; (2) control recruitment, drug cost is reduced; (3) alternative routine and the easy agricultural chemicals producing resistance; (4) compared with single dose, produce and use cost reduction; (5) the drug-fast generation of Antifungi, its successful uses higher than its single dose.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional method, and " % " of the present invention is mass percent.
Indoor biometrics is tested:
In indoor employing mycelial growth rate method, measure different agents to the EC of bacterial strain
50value, adopt co-toxicity coefficient computational methods, calculate the co-toxicity coefficient (CTC) of mixture, determine the building performance of mixture, circular is as follows:
With single dose a certain in mixture for standard agent (selects EC usually
50junior), calculate:
Single dose toxicity index=standard agent EC
50/ certain single dose EC
50× 100
Toxicity index × B single dose proportion in mixture of toxicity index × A single dose proportion+B single dose in mixture of theoretical toxicity index=A single dose
The EC of actual measurement toxicity index=standard single dose
50the EC of value/mixture
50value × 100
Co-toxicity coefficient=actual measurement toxicity index/theoretical toxicity index × 100
When co-toxicity coefficient classification: CTC is greater than 120, mixture has synergetic, and be antagonism when CTC is less than 80, CTC is summation action between 80-120.
According to active ingredient mepanipyrim (A): metalaxyl (B) quality proportioning is: 70:1,50:1,30:1,20:1,10:1,5:1,2.5:1,1:1,1:2,1:4,1:6,1:10,1:20,1:30,1:50 test, measure its co-toxicity coefficient to Phytophthora infestans germ (Phytophthorainfestans (Mont.) deBary).
Table 1: mepanipyrim+metalaxyl different ratio is to the indoor biometrics result of Phytophthora infestans germ
| Medicament | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient |
| 10% mepanipyrim SC | Y＝2.221X+2.757 | 10.231 | - |
| 25% metalaxyl WP | Y＝1.623X+3.479 | 8.654 | - |
| A:B＝70:1 | Y＝1.004X+4.208 | 6.152 | 165.87 |
| A:B＝50:1 | Y＝2.633X+2.631 | 7.937 | 128.45 |
| A:B＝30:1 | Y＝2.035X+3.528 | 5.291 | 192.25 |
| A:B＝20:1 | Y＝1.231X+4.000 | 6.487 | 156.35 |
| A:B＝10:1 | Y＝1.630X+3.632 | 6.904 | 145.78 |
| A:B＝5:1 | Y＝2.000X+3.262 | 7.396 | 134.26 |
| A:B＝2.5:1 | Y＝1.952X+3.558 | 5.482 | 177.40 |
| A:B＝1:1 | Y＝1.521X+3.826 | 5.916 | 158.49 |
| A:B＝1:2 | Y＝2.306X+3.401 | 4.938 | 184.75 |
| A:B＝1:4 | Y＝2.921X+2.511 | 7.116 | 125.48 |
| A:B＝1:6 | Y＝1.363X+3.908 | 6.326 | 139.89 |
| A:B＝1:10 | Y＝1.121X+4.149 | 5.744 | 152.80 |
| A:B＝1:20 | Y＝1.536X+3.896 | 5.230 | 166.69 |
| A:B＝1:30 | Y＝1.232X+3.999 | 6.490 | 134.02 |
| A:B＝1:50 | Y＝2.695X+3.002 | 5.512 | 157.49 |
In addition, inventor find after deliberation the numerical value as A:B be greater than 70 or the numerical value of A:B be less than 1:50, now two components are with the use of not having synergistic effect, and co-toxicity coefficient is all less than 120 as calculated.
Field control effectiveness test:
With the pesticidal preparations control tomato late blight test that above-described embodiment is obtained.
1, test process: this test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, contrast medicament is agricultural chemicals single dose 10% mepanipyrim SC and 25% metalaxyl WP and blank clean water experiment respectively.
2, each plot area of test method is 66.7m
2, repeat 3 times; Investigation drug effect method before dispenser after Investigation and Prevention is: random sampling 5 point in test treatment region, carries out severity Scaling, calculate preventive effect according to national field trial relevant criterion.Result of the test is in table 2:
Table 2 field test effect
Shown by indoor biometrics and field efficacy result, mepanipyrim and metalaxyl composition have obvious synergistic function, and the control efficiency of composition is excellent, and control efficiency is all better than single dose kind, in agricultural application, have using value.
Two kinds of reactive compounds can be processed into any one formulation of permission, with specific embodiment, the preparation that two kinds of active ingredients are processed into are described below, but the preparation that these two kinds of active components can be processed be not limited only to following listed by.
Embodiment 1:15% mepanipyrim metalaxyl wetting powder (1:2)
By mepanipyrim 5g, metalaxyl 10g, detergent LS (to methoxyl group fatty acid amido benzene sulfonic acid sodium salt) 2g, dispersing agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient mass percent is 15% mepanipyrim metalaxyl wetting powder.
Embodiment 2:15% mepanipyrim metalaxyl wetting powder (1:4)
By mepanipyrim 3g, metalaxyl 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient mass percent is 15% mepanipyrim metalaxyl wetting powder.
Embodiment 3:14% mepanipyrim metalaxyl wetting powder (1:6)
By mepanipyrim 2g, metalaxyl 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient mass percent is 14% mepanipyrim metalaxyl wetting powder.
Embodiment 4:20% mepanipyrim Metalaxyl suspending agent (1:1)
Take 10g mepanipyrim, 10g metalaxyl, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, poly-silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient mass percent is 20% mepanipyrim Metalaxyl suspending agent.
Embodiment 5:55% mepanipyrim metalaxyl aqueous emulsion (1:10)
Take 5g mepanipyrim, 50g metalaxyl, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, adds water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making active ingredient mass percent is 55% mepanipyrim metalaxyl aqueous emulsion.
Embodiment 6:42% mepanipyrim metalaxyl missible oil (1:20)
Take 2g mepanipyrim, 40g metalaxyl, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient mass percent is 42% mepanipyrim metalaxyl missible oil.
Embodiment 7:70% mepanipyrim metalaxyl missible oil (2.5:1)
Take 50g mepanipyrim, 20g metalaxyl, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor oil polyoxyethylene ether 2g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient mass percent is 70% mepanipyrim metalaxyl missible oil.
Embodiment 8:18% mepanipyrim metalaxyl water dispersion granule (5:1)
Take 15g mepanipyrim, 3g metalaxyl, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 28g complements to 100g, and it is 18% mepanipyrim metalaxyl water dispersion granule that above raw material is made active ingredient mass percent by water dispersible granular agent method.
Embodiment 9:11% mepanipyrim metalaxyl missible oil (10:1)
Take 10g mepanipyrim, 1g metalaxyl, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient mass percent is 11% mepanipyrim metalaxyl missible oil.
Embodiment 10:31.5% mepanipyrim metalaxyl microemulsion (20:1)
Take 30g mepanipyrim, 1.5g metalaxyl, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making active ingredient mass percent is 31.5% mepanipyrim metalaxyl microemulsion.
Embodiment 11:31% mepanipyrim metalaxyl missible oil (30:1)
Take 30g mepanipyrim, 1g metalaxyl, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient mass percent is 31% mepanipyrim metalaxyl missible oil.
Embodiment 12:51% mepanipyrim Metalaxyl suspending agent (50:1)
Take 50g mepanipyrim, 1g metalaxyl, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, poly-silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient mass percent is 51% mepanipyrim Metalaxyl suspending agent.
Embodiment 13:32% mepanipyrim metalaxyl microemulsion (1:15)
Take 2g mepanipyrim, 30g metalaxyl, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making active ingredient mass percent is 32% mepanipyrim metalaxyl microemulsion.
Embodiment 14:6% mepanipyrim metalaxyl aqueous emulsion (1:5)
Take 1g mepanipyrim, 5g metalaxyl, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, adds water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making active ingredient mass percent is 6% mepanipyrim metalaxyl aqueous emulsion.
Embodiment 15:62% mepanipyrim metalaxyl microemulsion (1:30)
Take 2g mepanipyrim, 60g metalaxyl, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making active ingredient mass percent is 62% mepanipyrim metalaxyl microemulsion.
Embodiment 16:51% mepanipyrim Metalaxyl suspending agent (1:50)
Take 1g mepanipyrim, 50g metalaxyl, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, poly-silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient mass percent is 51% mepanipyrim Metalaxyl suspending agent.
Embodiment 17:7% mepanipyrim metalaxyl water dispersion granule (1:2.5)
Take 2g mepanipyrim, 5g metalaxyl, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, white carbon 3g, diatomite complement to 100g, and it is 7% mepanipyrim metalaxyl water dispersion granule that above raw material is made active ingredient mass percent by water dispersible granular agent method.
Claims (10)
1., containing a bactericidal composition for mepanipyrim and metalaxyl, it is characterized in that this bactericidal composition with mepanipyrim and metalaxyl for principle active component, wherein the mass ratio of mepanipyrim and metalaxyl is 1 ~ 70:1 ~ 50.
2. bactericidal composition according to claim 1, is characterized in that the mass ratio of described mepanipyrim and metalaxyl is 1 ~ 70:1 ~ 20.
3. bactericidal composition according to claim 2, is characterized in that the mass ratio of described mepanipyrim and metalaxyl is 1 ~ 30:1 ~ 20.
4. bactericidal composition according to claim 3, is characterized in that the mass ratio of described mepanipyrim and metalaxyl is 30:1.
5. bactericidal composition according to claim 1, is characterized in that the mass percentage that both described mepanipyrim and metalaxyl account for composition is 2-80%.
6. bactericidal composition according to claim 5, is characterized in that the mass percentage that both described mepanipyrim and metalaxyl account for composition is 10-40%.
7. bactericidal composition according to claim 1, is characterized in that with mepanipyrim and metalaxyl for principle active component and insecticides adjuvant, excipients are mixed with any one formulation that agricultural chemicals allows.
8. bactericidal composition according to claim 7, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
9. the application of bactericidal composition according to claim 1 on preparation control fungal diseases of plants medicine.
10. application according to claim 9, is characterized in that described fungal diseases of plants is at least one in gray mold, brown rot, scab, downy mildew, late blight.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023832A1 (en) * | 1999-01-29 | 2000-08-02 | American Cyanamid Company | Aqueous suspension concentrate |
| CN102007912A (en) * | 2010-11-30 | 2011-04-13 | 陕西美邦农药有限公司 | Cyprodinil-containing germicide composition |
| CN103875684A (en) * | 2012-12-20 | 2014-06-25 | 陕西汤普森生物科技有限公司 | High efficient sterilizing composition containing initium |
-
2015
- 2015-11-06 CN CN201510753737.5A patent/CN105379725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023832A1 (en) * | 1999-01-29 | 2000-08-02 | American Cyanamid Company | Aqueous suspension concentrate |
| CN102007912A (en) * | 2010-11-30 | 2011-04-13 | 陕西美邦农药有限公司 | Cyprodinil-containing germicide composition |
| CN103875684A (en) * | 2012-12-20 | 2014-06-25 | 陕西汤普森生物科技有限公司 | High efficient sterilizing composition containing initium |
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Effective date of registration: 20180511 Address after: 211318 Dongfeng Road, Yalong Town, Gaochun District, Nanjing, Jiangsu, 8 Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Huazhou Pharmaceutical Co., Ltd. Address before: 211318 Dongfeng Road, Yalong Town, Gaochun District, Nanjing, Jiangsu, 8 Patentee before: Nanjing Huazhou Pharmaceutical Co., Ltd. |