CN105379725B - A kind of bactericidal composition and its application containing mepanipyrim and metalaxyl - Google Patents
A kind of bactericidal composition and its application containing mepanipyrim and metalaxyl Download PDFInfo
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- CN105379725B CN105379725B CN201510753737.5A CN201510753737A CN105379725B CN 105379725 B CN105379725 B CN 105379725B CN 201510753737 A CN201510753737 A CN 201510753737A CN 105379725 B CN105379725 B CN 105379725B
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Abstract
The invention discloses a kind of bactericidal composition containing mepanipyrim and metalaxyl and its application.The bactericidal composition is using mepanipyrim and metalaxyl as principle active component, and wherein the mass ratio of mepanipyrim and metalaxyl is 1~70：1~50.The bactericidal composition can be applied to prevent and treat Cereal, fruit tree, vegetable disease, has higher synergistic function, overcomes and delayed the resistance to the action of a drug of germ, and sterilization speed is fast, the lasting period is long, reduces application cost, and prevention effect is substantially better than the use of its single dose.The present invention can be used for preventing and treating the fungal disease on crops, it is particularly possible to which, for preventing and treating the fungal diseases such as gray mold, brown rot, scab, downy mildew, late blight, effect is better than single dose use.
Description
Technical field：
The present invention relates to a kind of bactericidal composition and application thereof, and especially one kind is using mepanipyrim and metalaxyl as chief active
The bactericidal composition of composition and its application.
Background technology
Mepanipyrim (Mepanioyrim), chemical name：4- Methyl-N-phenyls -6- (1- propinyls) -2- pyrilamines, molecule
Formula：C14H13N3.Structural formula is as follows：
The mechanism of action：There is mepanipyrim unique mechanism of action to suppress pathogen Protein secretion, including reduce
Enzyme level is hydrolyzed, these enzymes enter people host plant with pathogen and cause the necrosis of host tissue relevant by inference.Main preventing and treating
Prevent and treat brown rots such as apple and pear scab, cucumber, grape, strawberry and graw mold of tomato, peach, pears etc..Methyl mepanipyrim is the same as three
The no interactions resistance such as azole, dithiocarbamate, benzimidazole and diethofencarb, therefore it is to sensitive or resistance cause of disease
Bacterium has excellent activity.
Metalaxyl (Metalaxyl), molecular formula：C15H21NO4, chemical name：N- (2- Methoxyacetyls)-N- (2,6-
3,5-dimethylphenyl)-DL-alpha- aminopropanoates.Structural formula：
Metalaxyl is new and effective systemic fungicide.Can in inspiration enter in plant, it is water-soluble higher than general bactericide
It is more.There is selective special efficacy to the downy mildew in Oomycete and phytophthora, to the late blight of potato, downy mildew of garpe, hops
Downy mildew, beet epidemic disease, white rust of colza, tobacco black shank etc. have good prevention effect.Can also be used for cotton samping off,
The downy mildew of millet, prevention effect are good.
The difficulty of prevention and cure of phytopathogen is increasing at present, on the one hand, with the change of pattern of farming, melon fruits and vegetables etc.
Industrial crops cultivated area progressively expands, and disease occurrence degree, generation quantity increase, and difficulty increases in preventing and treating；Separately
On the one hand, the resistance of pathogen rises year by year under lasting medicament selection pressure, and the prevention effect of single dose is had a greatly reduced quality, plant
Disease control is faced with significant challenge.
The content of the invention：
The purpose of the present invention be for above-mentioned technical problem provide it is a kind of it is applied widely, cost is low, effect is good containing phonetic
The plant bactericidal composition of bacterium amine and metalaxyl.
Cause answering on fungal disease in preventing and treating plant epiphyte it is a still further object of the present invention to provide the bactericidal composition
With the especially purposes on preventing and treating gray mold, brown rot, scab, downy mildew, the fungal disease such as late blight.
The purpose of the present invention is to be achieved through the following technical solutions：
A kind of bactericidal composition containing mepanipyrim and metalaxyl, the bactericidal composition is using mepanipyrim and metalaxyl mainly to have
Composition is imitated, the wherein mass ratio of mepanipyrim and metalaxyl is 1~70：1~50, effective ingredient is with synergy wherein in bactericidal composition
Effective dose is present in composition.
The mass ratio of described bactericidal composition, wherein mepanipyrim and metalaxyl is preferably 1~70：1~20, it is further excellent
Elect 1~30 as：1~20, most preferably 30：1.
In the compositions of the present invention, the weight/mass percentage composition that composition is accounted for both mepanipyrim and metalaxyl is 2~80%.It is excellent
Elect 10~40% as.
Described bactericidal composition, wherein using mepanipyrim and metalaxyl as principle active component and known auxiliary agent and figuration
Agent is re-dubbed any one formulation allowed on agricultural chemicals.These known auxiliary agents, excipients have dispersant, diffusant, defoamer,
Wetting agent, disintegrant etc., calcium dodecyl benzene sulfonate, APES, Ben-zylphenol Polyoxyethyl Ether, benzene can be used
Ethyl phenol polyethenoxy ether, AEO and its similar products, aliphatic amine polyoxyethylene ether, fatty acid ethylene oxide
Addition product, polyoxyethylene polyoxy propylene block compound, castor oil polyoxyethylene ether, NPE, TWEEN Series,
AEO, polyethylene glycol series, Sulfonates, carboxylate, sulfate, phosphate, phosphite, sulfomethylated lignin
One or more of hydrochlorate, xanthans, phenol formaldehyde condensate, ammonium salt, quaternary etc. combine, excipient include cyclohexanone,
Dimethylbenzene, various solvent naphthas, water, antifreezing agent (such as propane diols), deionized water.Above auxiliary agent, excipient and other auxiliary materials can
With alone or be used in combination.
Described bactericidal composition, its formulation are that missible oil, wettable powder, suspending agent, aqueous emulsion, microemulsion or moisture dissipate
Granule.
Application of the above-mentioned bactericidal composition on preventing and treating fungal diseases of plants medicine is prepared.Especially in preventing and treating cereal
Application in terms of class, fruit tree, vegetable crop disease.
Above-mentioned application, described fungal diseases of plants are in gray mold, brown rot, scab, downy mildew, late blight
It is at least one.
Beneficial effects of the present invention：
1st, the mepanipyrim and metalaxyl used in the present invention, the mechanism of action are different, mutual mixture will not produce it is low touch, can cooperate with
Synergy, dosage is reduced, reduces cost.
2nd, the present composition scope of application increase, suitable for preventing and treating Cereal, fruit tree, vegetables refractory fungal disease,
Particularly preventing and treating gray mold, brown rot, scab, downy mildew, late blight etc. has significant effect.Bactericidal composition of the present invention
There is good prevention effect to sac fungus, basidiomycetes, Fungi Imperfecti and Oomycete fungal disease；And suppress insect or fungi to list
The drug-fast generation of one preparation (mepanipyrim and metalaxyl are any).Bactericidal composition of the present invention can produce higher Synergistic
Effect, and the dosage of the amount ratio independent reactive compound of the mixture substantially reduces, i.e., and the activity of mixture is more than independent
The activity of component.
Beneficial effects of the present invention compared with prior art：(1) compared with single dose, said composition antagonism fungal disease is such as
The fungal diseases such as gray mold, brown rot, scab, downy mildew, late blight have obvious synergistic function, overcome and have delayed anti-
The property of medicine, expand preventing and treating spectrum, hence it is evident that improve prevention effect；(2) preventing and treating recruitment, drug cost are reduced；(3) alternative routine and easily
Produce the agricultural chemicals of resistance；(4) compared with single dose, production and use cost reduce；(5) the drug-fast generation of fungi is suppressed, it is imitated
Fruit uses apparently higher than its single dose.
Embodiment
The invention will be further described with reference to embodiments, and the preparation method of formulation is conventional side in embodiment
Method, " % " of the present invention is mass percent.
Indoor biometricses are tested：
Mycelial growth rate method, EC of the measure different agents to bacterial strain are used indoors50Value, using co-toxicity coefficient calculating side
Method, the co-toxicity coefficient (CTC) of mixture is calculated, determines the building performance of mixture, circular is as follows：
EC (is generally selected as standard agent using a certain single dose in mixture50Junior), calculated：
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
The toxicity index of the toxicity index of theoretical toxicity index=A single doses × A single doses proportion+B single doses in mixture
× B single doses proportion in mixture
Survey the EC of toxicity index=standard single dose50The EC of value/mixture50Value × 100
Co-toxicity coefficient=actual measurement toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient is classified：Mixture has synergetic when CTC is more than 120, is antagonism when CTC is less than 80, CTC exists
It 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 are tested, and determine it to Phytophthora infestans germ
The co-toxicity coefficient of (Phytophthora infestans (Mont.) de Bary).
Table 1：Indoor biometricses result of the mepanipyrim+metalaxyl different ratio to 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 is it has been investigated that work as A:B numerical value is more than 70 or A:B numerical value is less than 1:50, now two groups
Point with the use of being no cooperative effect, and it is computed co-toxicity coefficient and is respectively less than 120.
Field control effectiveness test：
The pesticidal preparations preventing and treating tomato late blight experiment made from above-described embodiment.
1st, test process：This test medicine dosage sets three concentration for the treatment of, comparison medicine respectively according to the difference of each composition
Agent is the mepanipyrim SC of agricultural chemicals single dose 10% and 25% metalaxyl WP and blank clean water experiment respectively.
2nd, each plot area of test method is 66.7m2, it is repeated 3 times；Investigation drug effect side after investigating and prevent and treat before dispenser
Method is：5 points of grab sample in test process area, severity Scaling is carried out according to national field test relevant criterion, calculates preventive effect.
Result of the test is shown in Table 2：
The field test effect of table 2
Shown by indoor biometricses and field efficacy result, mepanipyrim has obvious Synergistic with metalaxyl composition
Effect, the prevention effect of composition is excellent, and prevention effect is better than single dose kind, has application value in agricultural is applied.
Two kinds of reactive compounds can be processed into any one formulation of permission, illustrate two kinds below with specific embodiment
The preparation that active ingredient is processed into, but the preparation that can process of the two kinds of active components be not limited only to it is set forth below.
Embodiment 1：15% mepanipyrim metalaxyl wettable powder (1:2)
By mepanipyrim 5g, metalaxyl 10g, detergent LS (to methoxyl group aliphatic acid amido benzene sulfonic acid sodium salt) 2g, dispersing agent NNO
(sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin add to 100g mixtures and carry out air-flow crushing, and active ingredient matter is made
Amount percentage is 15% mepanipyrim metalaxyl wettable powder.
Embodiment 2：15% mepanipyrim metalaxyl wettable powder (1:4)
By mepanipyrim 3g, metalaxyl 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds
Air-flow crushing is carried out to 100g mixtures, it is 15% mepanipyrim metalaxyl wettable powder that active ingredient mass percent, which is made,
Agent.
Embodiment 3：14% mepanipyrim metalaxyl wettable powder (1:6)
By mepanipyrim 2g, metalaxyl 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds
Air-flow crushing is carried out to 100g mixtures, it is 14% mepanipyrim metalaxyl wettable powder that active ingredient mass percent, which is made,
Agent.
Embodiment 4：20% mepanipyrim Metalaxyl suspending agent (1:1)
Weigh 10g mepanipyrims, 10g metalaxyls, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, second
Glycol 5g, poly- silica ethane 0.10g, aluminium-magnesium silicate 0.5g, 100g is complemented to water, be made in the presence of sand mill effectively into
It is 20% mepanipyrim Metalaxyl suspending agent to divide mass percent.
Embodiment 5：55% mepanipyrim metalaxyl aqueous emulsion (1:10)
5g mepanipyrims, 50g metalaxyls, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol is weighed to gather
Oxygen vinethene 1g, solvent naphtha 13g, adds water to 100g.In the method input mixing kettle that above raw material is routinely prepared to aqueous emulsion
Mixed at high speed, it is 55% mepanipyrim metalaxyl aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 6：42% mepanipyrim metalaxyl missible oil (1:20)
Weigh 2g mepanipyrims, 40g metalaxyls, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent naphtha
To 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective ingredient percent is made
For 42% mepanipyrim metalaxyl missible oil.
Embodiment 7：70% mepanipyrim metalaxyl missible oil (2.5:1)
Weigh 50g mepanipyrims, 20g metalaxyls, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor-oil plant
Oily APEO 2g, solvent naphtha to 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, is made
It is 70% mepanipyrim metalaxyl missible oil into active ingredient mass percent.
Embodiment 8：18% mepanipyrim metalaxyl water dispersion granule (5：1)
Weigh 15g mepanipyrims, 3g metalaxyls, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, poly- second
Enol 5g, borax 2g, diatomite 28g complement to 100g, and above raw material is formed with into effect into sub-prime by water dispersible granular agent method
Amount percentage is 18% mepanipyrim metalaxyl water dispersion granule.
Embodiment 9：11% mepanipyrim metalaxyl missible oil (10:1)
Weigh 10g mepanipyrims, 1g metalaxyls, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent naphtha
To 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective ingredient percent is made
For 11% mepanipyrim metalaxyl missible oil.
Embodiment 10：31.5% mepanipyrim metalaxyl microemulsion (20:1)
Weigh 30g mepanipyrims, 1.5g metalaxyls, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate
3g, agriculture breast 33#2g, APES 1g, isopropanol 10g, add water to 100g.Above raw material is routinely prepared into micro emulsion
Mixed in the method input mixing kettle of agent, it is 31.5% mepanipyrim metalaxyl microemulsion that effective ingredient percent, which is made,.
Embodiment 11：31% mepanipyrim metalaxyl missible oil (30:1)
Weigh 30g mepanipyrims, 1g metalaxyls, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent naphtha
To 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective ingredient percent is made
For 31% mepanipyrim metalaxyl missible oil.
Embodiment 12：51% mepanipyrim Metalaxyl suspending agent (50:1)
Weigh 50g mepanipyrims, 1g metalaxyls, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, second two
Alcohol 5g, poly- silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complements to 100g with water, active ingredient is made in the presence of sand mill
Mass percent is 51% mepanipyrim Metalaxyl suspending agent.
Embodiment 13：32% mepanipyrim metalaxyl microemulsion (1:15)
Weigh 2g mepanipyrims, 30g metalaxyls, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g,
Agriculture breast 33#2g, APES 1g, isopropanol 10g, add water to 100g.Above raw material is routinely prepared into microemulsion
Method input mixing kettle in mix, it is 32% mepanipyrim metalaxyl microemulsion that effective ingredient percent, which is made,.
Embodiment 14：6% mepanipyrim metalaxyl aqueous emulsion (1:5)
Weigh 1g mepanipyrims, 5g metalaxyls, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol polyoxy
Vinethene 1g, solvent naphtha 13g, adds water to 100g.Above raw material is routinely prepared high in the method input mixing kettle of aqueous emulsion
Speed mixing, it is 6% mepanipyrim metalaxyl aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 15：62% mepanipyrim metalaxyl microemulsion (1:30)
Weigh 2g mepanipyrims, 60g metalaxyls, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g,
Agriculture breast 33#2g, APES 1g, isopropanol 10g, add water to 100g.Above raw material is routinely prepared into microemulsion
Method input mixing kettle in mix, it is 62% mepanipyrim metalaxyl microemulsion that effective ingredient percent, which is made,.
Embodiment 16：51% mepanipyrim Metalaxyl suspending agent (1:50)
Weigh 1g mepanipyrims, 50g metalaxyls, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, second two
Alcohol 5g, poly- silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complements to 100g with water, active ingredient is made in the presence of sand mill
Mass percent is 51% mepanipyrim Metalaxyl suspending agent.
Embodiment 17：7% mepanipyrim metalaxyl water dispersion granule (1：2.5)
Weigh 2g mepanipyrims, 5g metalaxyls, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyethylene
Alcohol 5g, borax 2g, white carbon 3g, diatomite complement to 100g, by above raw material by water dispersible granular agent method be formed with effect into
It is 7% mepanipyrim metalaxyl water dispersion granule to divide mass percent.
Claims (5)
- A kind of 1. application of bactericidal composition on preventing and treating fungal diseases of plants medicine is prepared, it is characterised in that the bactericidal composition Using mepanipyrim and metalaxyl as principle active component, wherein the mass ratio of mepanipyrim and metalaxyl is 1 ~ 70：1~50.
- 2. application according to claim 1, it is characterised in that the mass ratio of the mepanipyrim and metalaxyl is 1 ~ 70：1~ 20。
- 3. application according to claim 2, it is characterised in that the mass ratio of the mepanipyrim and metalaxyl is 1 ~ 30：1~ 20。
- 4. application according to claim 3, it is characterised in that the mass ratio of the mepanipyrim and metalaxyl is 30：1.
- 5. application according to claim 1, it is characterised in that described fungal diseases of plants is gray mold, brown rot, black At least one of star disease, downy mildew, late blight.
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| CN102007912B (en) * | 2010-11-30 | 2013-08-14 | 陕西美邦农药有限公司 | Cyprodinil-containing germicide composition |
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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. |