CN105379753B - A kind of bactericidal composition and its application containing mepanipyrim and different rice blast net - Google Patents
A kind of bactericidal composition and its application containing mepanipyrim and different rice blast net Download PDFInfo
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- CN105379753B CN105379753B CN201510752190.7A CN201510752190A CN105379753B CN 105379753 B CN105379753 B CN 105379753B CN 201510752190 A CN201510752190 A CN 201510752190A CN 105379753 B CN105379753 B CN 105379753B
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- mepanipyrim
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Abstract
The invention discloses a kind of bactericidal composition containing mepanipyrim and different rice blast net and its application.The bactericidal composition is using mepanipyrim and different rice blast net as principle active component, and wherein the mass ratio of mepanipyrim and different rice blast net is 1~70：1~50.The bactericidal composition can be applied to prevention 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 the fungal disease on crops, it is particularly possible to which, for preventing the fungal diseases such as gray mold, brown rot, scab, rice blast, banded sclerotial blight, effect is better than single dose use.
Description
Technical field：
It is especially a kind of using mepanipyrim and different rice blast net to be main living the present invention relates to a kind of bactericidal composition and application thereof
The bactericidal composition of property component 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 into people host plant and cause the necrosis of host tissue related with pathogen by inference.Main prevention
Prevent 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.
Different rice blast net (Iprobenfos), molecular formula：C13H21O3PS, chemical name：O, O- diisopropyl-S- benzyls vulcanize
Phosphate.Structural formula：
Different rice blast net belongs to systemic fungicide, has good interior suction bactericidal effect.Pass through plant root and underwater
Leaf sheath absorb, be distributed to each position of plant.It is mainly used for preventing morning and evening Rice Neck Blast, to small round sclerotial disease of rice, granule
Sclerotiniose, banded sclerotial blight, and prevention plant hopper, all very significantly, this product also has effect resistant to lodging to effect.
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 prevention；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 is 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 different rice blast net.
Cause answering on fungal disease in prevention plant epiphyte it is a still further object of the present invention to provide the bactericidal composition
With the especially purposes on prevention gray mold, brown rot, scab, rice blast, the fungal disease such as banded sclerotial blight.
The purpose of the present invention is be achieved through the following technical solutions：
A kind of bactericidal composition containing mepanipyrim and different rice blast net, the bactericidal composition is based on mepanipyrim and different rice blast net
Active ingredient is wanted, the wherein mass ratio of mepanipyrim and different rice blast net is 1~70：1~50, wherein effective ingredient in bactericidal composition
It is present in enhancing effective amount in composition.
The mass ratio of the bactericidal composition, wherein mepanipyrim and different rice blast net is preferably 1~50：1~50, further
Preferably 1~30：1~10.
In the compositions of the present invention, the mass percentage that composition is accounted for both mepanipyrim and different rice blast net is 2~80%.
It is preferred that 10~40%.
The bactericidal composition, wherein using mepanipyrim and different rice blast net as principle active component and known auxiliary agent and tax
Shape agent is re-dubbed any one formulation allowed on pesticide.These known auxiliary agents, excipients have dispersant, diffusant, defoaming
Agent, wetting agent, disintegrant etc., can use calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene ether, benzyl phenol polyethenoxy
Ether, phenethyl phenol polyethenoxy ether, fatty alcohol polyoxyethylene ether and its similar products, aliphatic amine polyoxyethylene ether, aliphatic acid ring
Oxidative ethane addition product, polyoxyethylene polyoxy propylene block compound, castor oil polyoxyethylene ether, nonylphenol polyoxyethylene ether, spit
Warm series, fatty alcohol polyoxyethylene ether, 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 alone or be used in combination.
The 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 prevention fungal diseases of plants medicine is prepared.Especially in prevention cereal
Application in terms of class, fruit tree, vegetable crop disease.
Above-mentioned application, the fungal diseases of plants is gray mold, in brown rot, scab, rice blast, banded sclerotial blight
It is at least one.
Beneficial effects of the present invention：
1st, the mepanipyrim and different rice blast net used in the present invention, the mechanism of action is different, mutual mixture will not produce it is low touch, can assist
Same synergy, reduces dosage, reduces cost.
2nd, the present composition scope of application increase, suitable for prevention Cereal, fruit tree, vegetables refractory fungal disease,
Particularly preventing gray mold, brown rot, scab, rice blast, banded sclerotial 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 pest or fungi to list
The drug-fast generation of one preparation (mepanipyrim and different rice blast net 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 gray mold, brown rot, scab, rice blast, banded sclerotial blight have obvious synergistic function, overcome and have delayed anti-
Pharmacological property, expands prevention spectrum, hence it is evident that improve prevention effect；(2) prevention recruitment, drug cost are reduced；(3) alternative routine and easily
Produce the pesticide of resistance；(4) compared with single dose, production and application cost reduces；(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 biometrics 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, calculates the co-toxicity coefficient (CTC) of mixture, 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)：Different rice blast net (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 measure it to rice blast fungus
The co-toxicity coefficient of (BarrnovPhyriculariagrisea (Cooke) Sacc).
Table 1：Indoor biometrics result of the mepanipyrim+different rice blast net different ratio to rice blast fungus
| Medicament | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient |
| 10% mepanipyrim SC | Y=1.554X+3.553 | 8.536 | - |
| 40% different rice blast net EC | Y=2.452X+3.048 | 6.254 | - |
| A:B=70:1 | Y=1.701X+3.627 | 6.418 | 132.32 |
| A:B=50:1 | Y=1.325X+3.999 | 5.698 | 148.75 |
| A:B=30:1 | Y=2.398X+3.461 | 4.384 | 192.46 |
| A:B=20:1 | Y=1.147X+4.171 | 5.285 | 158.76 |
| A:B=10:1 | Y=1.532X+3.934 | 4.967 | 166.35 |
| A:B=5:1 | Y=2.014X+3.726 | 4.292 | 187.47 |
| A:B=2.5:1 | Y=1.903X+3.518 | 6.018 | 128.46 |
| A:B=1:1 | Y=1.855X+3.961 | 3.632 | 198.75 |
| A:B=1:2 | Y=2.325X+3.582 | 4.074 | 168.54 |
| A:B=1:4 | Y=2.140X+3.773 | 3.743 | 176.53 |
| A:B=1:6 | Y=1.965X+3.801 | 4.075 | 159.56 |
| A:B=1:10 | Y=2.002X+2.271 | 23.07 | 27.78 |
| A:B=1:20 | Y=1.587X+4.103 | 3.675 | 172.35 |
| A:B=1:30 | Y=2.024X+3.649 | 4.651 | 135.64 |
| A:B=1:50 | Y=1.965X+3.763 | 4.263 | 147.48 |
In addition, inventor is it has been investigated that work as A:The numerical value of B is more than 70 or A:The numerical value of B is less than 1:50, two groups at this time
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 prevention downy mildew of garpe 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 component
Agent is 10% mepanipyrim SC of pesticide single dose and 40% different rice blast net EC 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 before dispenser
Method is：5 points of grab sample in test process area, carry out severity Scaling according to national field trial relevant criterion, calculate preventive effect.
Result of the test is shown in Table 2：
2 field test effect of table
By indoor biometrics and field efficacy, the result shows that, mepanipyrim has with different rice blast net 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 different rice blast net wettable powder (1:2)
By mepanipyrim 5g, different rice blast net 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 different rice blast net wettable powder to divide mass percent.
Embodiment 2：15% mepanipyrim different rice blast net wettable powder (1:4)
By mepanipyrim 3g, different rice blast net 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 different rice blast net wettable that active ingredient mass percent, which is made,
Pulvis.
Embodiment 3：14% mepanipyrim different rice blast net wettable powder (1:6)
By mepanipyrim 2g, different rice blast net 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 different rice blast net wettable that active ingredient mass percent, which is made,
Pulvis.
Embodiment 4：20% mepanipyrim different rice blast net suspending agent (1:1)
Weigh 10g mepanipyrims, 10g different rice blast nets, 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 under the action of sand mill effectively
Ingredient percent is 20% mepanipyrim different rice blast net suspending agent.
Embodiment 5：55% mepanipyrim Iprobenfos aqueous emulsion (1:10)
Weigh 5g mepanipyrims, 50g different rice blast nets, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol
Polyoxyethylene ether 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 Iprobenfos aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 6：42% mepanipyrim different rice blast net missible oil (1:20)
Weigh 2g mepanipyrims, 40g different rice blast nets, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent
Oil is to 100g.Above raw material is routinely prepared and is mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made
Than for 42% mepanipyrim different rice blast net missible oil.
Embodiment 7：70% mepanipyrim different rice blast net missible oil (2.5:1)
Weigh 50g mepanipyrims, 20g different rice blast nets, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor
Sesame oil polyoxyethylene ether 2g, solvent naphtha to 100g.Above raw material is routinely prepared and is mixed in the method input mixing kettle of missible oil,
It is 70% mepanipyrim different rice blast net missible oil that effective ingredient percent, which is made,.
Embodiment 8：18% mepanipyrim different rice blast net water dispersion granule (5：1)
15g mepanipyrims, 3g different rice blast nets are weighed, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, gather
Vinyl alcohol 5g, borax 2g, diatomite 28g complement to 100g, and above raw material is formed with effect component by water dispersible granular agent method
Mass percent is 18% mepanipyrim different rice blast net water dispersion granule.
Embodiment 9：11% mepanipyrim different rice blast net missible oil (10:1)
Weigh 10g mepanipyrims, 1g different rice blast nets, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent
Oil is to 100g.Above raw material is routinely prepared and is mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made
Than for 11% mepanipyrim different rice blast net missible oil.
Embodiment 10：31.5% mepanipyrim iprobenfos microemulsion (20:1)
Weigh 30g mepanipyrims, 1.5g different rice blast nets, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphoric acid
Ester 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene ether 1g, isopropanol 10g, adds water to 100g.Above raw material is routinely prepared micro-
Mixed in the method input mixing kettle of emulsion, it is 31.5% mepanipyrim different rice blast net micro emulsion that effective ingredient percent, which is made,
Agent.
Embodiment 11：31% mepanipyrim different rice blast net missible oil (30:1)
Weigh 30g mepanipyrims, 1g different rice blast nets, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent
Oil is to 100g.Above raw material is routinely prepared and is mixed in the method input mixing kettle of missible oil, effective composition quality percentage is made
Than for 31% mepanipyrim different rice blast net missible oil.
Embodiment 12：51% mepanipyrim different rice blast net suspending agent (50:1)
Weigh 50g mepanipyrims, 1g different rice blast nets, 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 under the action of sand mill effectively into
It is 51% mepanipyrim different rice blast net suspending agent to divide mass percent.
Embodiment 13：32% mepanipyrim iprobenfos microemulsion (1:15)
Weigh 2g mepanipyrims, 30g different rice blast nets, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate
3g, agriculture breast 33#2g, alkylphenol polyoxyethylene ether 1g, isopropanol 10g, adds 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 iprobenfos microemulsion that effective ingredient percent, which is made,.
Embodiment 14：6% mepanipyrim Iprobenfos aqueous emulsion (1:5)
1g mepanipyrims, 5g different rice blast nets, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol is weighed to gather
Ethylene oxide ether 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 Iprobenfos aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 15：62% mepanipyrim iprobenfos microemulsion (1:30)
Weigh 2g mepanipyrims, 60g different rice blast nets, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate
3g, agriculture breast 33#2g, alkylphenol polyoxyethylene ether 1g, isopropanol 10g, adds 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 iprobenfos microemulsion that effective ingredient percent, which is made,.
Embodiment 16：51% mepanipyrim different rice blast net suspending agent (1:50)
Weigh 1g mepanipyrims, 50g different rice blast nets, 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 under the action of sand mill effectively into
It is 51% mepanipyrim different rice blast net suspending agent to divide mass percent.
Embodiment 17：7% mepanipyrim different rice blast net water dispersion granule (1：2.5)
Weigh 2g mepanipyrims, 5g different rice blast nets, 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 different rice blast net water dispersion granule.
Claims (1)
- A kind of 1. application of bactericidal composition on prevention fungal diseases of plants medicine is prepared, it is characterised in that the bactericidal composition Using mepanipyrim and different rice blast net as principle active component, wherein the mass ratio of mepanipyrim and different rice blast net is 70：1、50：1、30： 1、20：1、10：1、5：1、2.5：1、1：1、1：2、1：4、1：6、1：20、1：30 and 1：50.
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| JPH0629263B2 (en) * | 1985-10-30 | 1994-04-20 | クミアイ化学工業株式会社 | Pyrimidine derivatives and agricultural and horticultural fungicides |
| CN103190437B (en) * | 2010-11-30 | 2014-11-12 | 陕西美邦农药有限公司 | Synergistic fungicidal composition containing cyprodinil |
| CN102273441B (en) * | 2011-09-13 | 2015-01-07 | 广西田园生化股份有限公司 | Ultralow volume liquid containing azoxystronbin |
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