CN105360128B - A kind of bactericidal composition and its application containing mepanipyrim and Boscalid - Google Patents

A kind of bactericidal composition and its application containing mepanipyrim and Boscalid Download PDF

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CN105360128B
CN105360128B CN201510753247.5A CN201510753247A CN105360128B CN 105360128 B CN105360128 B CN 105360128B CN 201510753247 A CN201510753247 A CN 201510753247A CN 105360128 B CN105360128 B CN 105360128B
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boscalid
mepanipyrim
bactericidal composition
treating
preventing
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CN105360128A (en
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郭崇友
高瑞花
张宝俊
邢刚
石振龙
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Nanjing Redsun Co., Ltd.
Nanjing Huazhou Pharmaceutical Co Ltd
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Nanjing Huazhou Pharmaceutical Co Ltd
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Abstract

The invention discloses a kind of bactericidal composition containing mepanipyrim and Boscalid and its application.The bactericidal composition is using mepanipyrim and Boscalid as principle active component, and wherein the mass ratio of mepanipyrim and Boscalid 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, scab, powdery mildew, gray mold, rot, effect is better than single dose use.

Description

A kind of bactericidal composition and its application containing mepanipyrim and Boscalid
Technical field:
It is especially a kind of using mepanipyrim and Boscalid to be main living the present invention relates to a kind of bactericidal composition and application thereof The bactericidal composition of property 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.
Boscalid (Boscalid), molecular formula:C18H12Cl2N2O.Chemical name:The chloro- N- of 2- (4 '-chlorodiphenyl -2- bases) Niacinamide.Structural formula:
Boscalid is the Novel tobacco acid amide fungicides developed by BASF Aktiengesellschaft, is mainly used in preventing and treating white powder Disease, gray mold, various rots, brown rot and root rot etc., registered [1] in Britain, Germany and Switzerland in 2004.According to city Field portion counts:The country has begun to largely use, and Boscalid belongs to butanedioic acid ubiquinone in mitochondrial respiratory chain and reduces enzyme level Agent, the sprouting to spore have a very strong rejection ability, and with other bactericide no interactions resistances.
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 Boscalid.
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, scab, powdery mildew, gray mold, the fungal disease such as rot.
The purpose of the present invention is to be achieved through the following technical solutions:
A kind of bactericidal composition containing mepanipyrim and Boscalid, the bactericidal composition is based on mepanipyrim and Boscalid Active ingredient is wanted, the wherein mass ratio of mepanipyrim and Boscalid is 1~70:1~50, wherein effective ingredient in bactericidal composition It is present in enhancing effective amount in composition.
The mass ratio of described bactericidal composition, wherein mepanipyrim and Boscalid is preferably 1~50:1~20, further Preferably 1~50:1~10, most preferably 10:1.
In the compositions of the present invention, the weight/mass percentage composition that composition is accounted for both mepanipyrim and Boscalid is 2~80%. It is preferred that 10~40%.
Described bactericidal composition, wherein using mepanipyrim and Boscalid as principle active component and known auxiliary agent and tax Shape agent is re-dubbed any one formulation allowed on agricultural chemicals.These known auxiliary agents, excipients have dispersant, diffusant, defoaming Agent, wetting agent, disintegrant etc., calcium dodecyl benzene sulfonate, APES, benzyl phenol polyethenoxy can be used Ether, phenethyl phenol polyethenoxy ether, AEO and its similar products, aliphatic amine polyoxyethylene ether, aliphatic acid ring Oxidative ethane addition product, polyoxyethylene polyoxy propylene block compound, castor oil polyoxyethylene ether, NPE, tell Warm series, AEO, polyethylene glycol series, Sulfonates, carboxylate, sulfate, phosphate, phosphite, One or more of lignosulfonates, xanthans, phenol formaldehyde condensate, ammonium salt, quaternary etc. combine, and excipient includes Cyclohexanone, dimethylbenzene, various solvent naphthas, water, antifreezing agent (such as propane diols), deionized water.Above auxiliary agent, excipient and other Auxiliary material can be 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, scab, powdery mildew, gray mold, rot It is at least one.
Beneficial effects of the present invention:
1st, the mepanipyrim and Boscalid used in the present invention, the mechanism of action are different, mutual mixture will not produce it is low touch, can assist Same 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, scab, powdery mildew, gray mold, rot 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 Boscalid are any).Bactericidal composition of the present invention can produce higher collaboration and increase Effect acts on, and the dosage of the amount ratio independent reactive compound of the mixture substantially reduces, i.e., the activity of mixture is more than single The activity of only 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 powdery mildew, gray mold, brown rot, scab have obvious synergistic function, overcome and have delayed the resistance to the action of a drug, expand Big 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 be also easy to produce it is anti- The agricultural chemicals of property;(4) compared with single dose, production and use cost reduce;(5) the drug-fast generation of fungi, its positive effect are suppressed Used 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):Boscalid (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 wheat powdery mildew The co-toxicity coefficient of (Erysiphe graminis D.c.f.sp.tritici E.Marchal).
Table 1:Indoor biometricses result of the mepanipyrim+Boscalid different ratio to wheat powdery mildew
Medicament Virulence regression equation EC50(mg/L) Co-toxicity coefficient
10% mepanipyrim SC Y=2.456X+2.303 12.535 -
50% Boscalid WG Y=2.564X+1.966 15.251 -
A:B=70:1 Y=2.221X+2.661 11.301 111.198
A:B=50:1 Y=1.654X+3.404 9.224 136.372
A:B=30:1 Y=1.904X+3.182 9.012 139.896
A:B=20:1 Y=2.548X+2.253 11.970 105.616
A:B=10:1 Y=1.324X+3.806 7.977 159.725
A:B=5:1 Y=2.014X+2.958 10.325 125.118
A:B=2.5:1 Y=1.978X+2.937 11.040 119.629
A:B=1:1 Y=1.635X+3.427 9.164 150.156
A:B=1:2 Y=2.904X+2.033 10.512 135.309
A:B=1:4 Y=2.320X+2.406 13.125 111.372
A:B=1:6 Y=1.914X+2.751 14.963 98.865
A:B=1:10 Y=1.524X+3.235 14.393 103.810
A:B=1:20 Y=2.635X+2.304 10.548 143.110
A:B=1:30 Y=1.112X+3.789 12.275 123.382
A:B=1:50 Y=2.632X+2.072 12.956 117.216
Field control effectiveness test:
The pesticidal preparations preventing and treating wheat powdery mildew 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 50% Boscalid WG 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 with Boscalid composition significantly cooperates with increasing Effect acts on, and 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 Boscalid wettable powder (1:2)
By mepanipyrim 5g, Boscalid 10g, detergent LS (to methoxyl group aliphatic acid amido benzene sulfonic acid sodium salt) 2g, diffusant NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin add to 100g mixtures carry out air-flow crushing, be made effectively into It is 15% mepanipyrim Boscalid wettable powder to divide mass percent.
Embodiment 2:15% mepanipyrim Boscalid wettable powder (1:4)
By mepanipyrim 3g, Boscalid 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin Add to 100g mixtures and carry out air-flow crushing, it is 15% mepanipyrim Boscalid wettable that active ingredient mass percent, which is made, Pulvis.
Embodiment 3:14% mepanipyrim Boscalid wettable powder (1:6)
By mepanipyrim 2g, Boscalid 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin Add to 100g mixtures and carry out air-flow crushing, it is 14% mepanipyrim Boscalid wettable that active ingredient mass percent, which is made, Pulvis.
Embodiment 4:20% mepanipyrim Boscalid suspending agent (1:1)
Weigh 10g mepanipyrims, 10g Boscalids, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, Ethylene glycol 5g, poly- silica ethane 0.10g, aluminium-magnesium silicate 0.5g, 100g is complemented to water, is made in the presence of sand mill effectively Ingredient percent is 20% mepanipyrim Boscalid suspending agent.
Embodiment 5:55% mepanipyrim Boscalid aqueous emulsion (1:10)
Weigh 5g mepanipyrims, 50g Boscalids, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol APEO 1g, solvent naphtha 13g, adds water to 100g.The method that above raw material is routinely prepared to aqueous emulsion puts into mixing kettle High speed mixes, and it is 55% mepanipyrim Boscalid aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 6:42% mepanipyrim Boscalid missible oil (1:20)
Weigh 2g mepanipyrims, 40g Boscalids, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent Oil is to 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made Than for 42% mepanipyrim Boscalid missible oil.
Embodiment 7:70% mepanipyrim Boscalid missible oil (2.5:1)
Weigh 50g mepanipyrims, 20g Boscalids, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor Sesame oil APEO 2g, solvent naphtha to 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, It is 70% mepanipyrim Boscalid missible oil that effective ingredient percent, which is made,.
Embodiment 8:18% mepanipyrim Boscalid water dispersion granule (5:1)
15g mepanipyrims, 3g Boscalids are weighed, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, is gathered Vinyl alcohol 5g, borax 2g, diatomite 28g complement to 100g, and above raw material is formed with into effect composition by water dispersible granular agent method Mass percent is 18% mepanipyrim Boscalid water dispersion granule.
Embodiment 9:11% mepanipyrim Boscalid missible oil (10:1)
Weigh 10g mepanipyrims, 1g Boscalids, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent Oil is to 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made Than for 11% mepanipyrim Boscalid missible oil.
Embodiment 10:31.5% mepanipyrim Boscalid microemulsion (20:1)
Weigh 30g mepanipyrims, 1.5g Boscalids, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphoric acid Ester 3g, agriculture breast 33#2g, APES 1g, isopropanol 10g, add water to 100g.Above raw material is routinely prepared micro- Mixed in the method input mixing kettle of emulsion, it is 31.5% mepanipyrim Boscalid micro emulsion that effective ingredient percent, which is made, Agent.
Embodiment 11:31% mepanipyrim Boscalid missible oil (30:1)
Weigh 30g mepanipyrims, 1g Boscalids, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent Oil is to 100g.Above raw material is routinely prepared and mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made Than for 31% mepanipyrim Boscalid missible oil.
Embodiment 12:51% mepanipyrim Boscalid suspending agent (50:1)
Weigh 50g mepanipyrims, 1g Boscalids, 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 51% mepanipyrim Boscalid suspending agent to divide mass percent.
Embodiment 13:32% mepanipyrim Boscalid microemulsion (1:15)
Weigh 2g mepanipyrims, 30g Boscalids, 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 32% mepanipyrim Boscalid microemulsion that effective ingredient percent, which is made,.
Embodiment 14:6% mepanipyrim Boscalid aqueous emulsion (1:5)
1g mepanipyrims, 5g Boscalids, 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 6% mepanipyrim Boscalid aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 15:62% mepanipyrim Boscalid microemulsion (1:30)
Weigh 2g mepanipyrims, 60g Boscalids, 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 62% mepanipyrim Boscalid microemulsion that effective ingredient percent, which is made,.
Embodiment 16:51% mepanipyrim Boscalid suspending agent (1:50)
Weigh 1g mepanipyrims, 50g Boscalids, 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 51% mepanipyrim Boscalid suspending agent to divide mass percent.
Embodiment 17:7% mepanipyrim Boscalid water dispersion granule (1:2.5)
Weigh 2g mepanipyrims, 5g Boscalids, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, poly- second Enol 5g, borax 2g, white carbon 3g, diatomite complement to 100g, and above raw material is formed with imitating by water dispersible granular agent method Ingredient percent is 7% mepanipyrim Boscalid water dispersion granule.

Claims (1)

1. a kind of bactericidal composition exists as the application on the fungal disease medicine for preparing preventing and treating wheat powdery mildew, its feature In:The bactericidal composition is using mepanipyrim and Boscalid as active ingredient, and wherein the mass ratio of mepanipyrim and Boscalid is 50: 1、30:1、10:1、5:1、1:1、1:2、1:20 or 1:30.
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CN1282208A (en) * 1997-12-18 2001-01-31 巴斯福股份公司 Fungicide mixtures based on amide compounds and pyridine derivatives
CN101808521A (en) * 2007-09-26 2010-08-18 巴斯夫欧洲公司 ternary fungicidal compositions comprising boscalid and chlorothalonil

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