A kind of bactericidal composition and its application containing mepanipyrim and M 9834
Technical field:
The present invention relates to a kind of bactericidal composition and application thereof, and especially one kind is using mepanipyrim and M 9834 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.
M 9834 (Benalaxyl), molecular formula:C20H28NO3.Chemical name:N- phenylacetyl groups-N-2,6- xylyl-
DL-Alanine methyl esters.Structural formula:
M 9834 is the systemic fungicide for preventing and treating oomycetes diseases, is made for preventing and treating grape, tobacco, melon, soybean etc.
The downy mildew of thing, the epidemic disease on potato, tomato, strawberry and ornamental plant.
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 M 9834.
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 epidemic disease.
The purpose of the present invention is to be achieved through the following technical solutions:
A kind of bactericidal composition containing mepanipyrim and M 9834, the bactericidal composition is using mepanipyrim and M 9834 mainly to have
Composition is imitated, the wherein mass ratio of mepanipyrim and M 9834 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 M 9834 is preferably 1~50:1~50, it is further excellent
Elect 1~25 as:1~40, most preferably 2.5:1.
In the compositions of the present invention, the weight/mass percentage composition that composition is accounted for both mepanipyrim and M 9834 is 2~80%.It is excellent
Select 10~40%.
Described bactericidal composition, wherein using mepanipyrim and M 9834 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 be gray mold, brown rot, scab, downy mildew, in epidemic disease extremely
Few one kind.
Beneficial effects of the present invention:
1st, the mepanipyrim and M 9834 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, epidemic disease etc. has significant effect.Bactericidal composition pair of the present invention
Sac fungus, basidiomycetes, Fungi Imperfecti and Oomycete fungal disease have good prevention effect;And suppress insect or fungi to single
The drug-fast generation of preparation (mepanipyrim and M 9834 are any).Bactericidal composition of the present invention can produce higher Synergistic and make
With, 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 group
The activity divided.
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, epidemic disease have obvious synergistic function, overcome and have delayed anti-medicine
Property, 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 production
The agricultural chemicals of raw resistance;(4) compared with single dose, production and use cost reduce;(5) the drug-fast generation of fungi, its effect are suppressed
Used 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):M 9834 (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 downy mildew of garpe
The co-toxicity coefficient of (Plasmopara viticola.).
Table 1:Indoor biometricses result of the mepanipyrim+M 9834 different ratio to Plasmopara viticola
Medicament |
Virulence regression equation |
EC50(mg/L) |
Co-toxicity coefficient |
10% mepanipyrim SC |
Y=1.421X+3.862 |
6.322 |
- |
25% M 9834 WP |
Y=2.032X+4.130 |
2.681 |
- |
A:B=70:1 |
Y=1.247X+4.316 |
3.534 |
175.52 |
A:B=50:1 |
Y=2.652X+3.485 |
3.725 |
165.32 |
A:B=30:1 |
Y=1.254X+4.172 |
4.570 |
132.53 |
A:B=20:1 |
Y=1.112X+4.393 |
3.514 |
168.97 |
A:B=10:1 |
Y=2.957X+3.255 |
3.893 |
144.54 |
A:B=5:1 |
Y=1.596X+4.225 |
3.058 |
168.59 |
A:B=2.5:1 |
Y=2.532X+4.089 |
2.290 |
198.87 |
A:B=1:1 |
Y=1.574X+4.434 |
2.288 |
164.54 |
A:B=1:2 |
Y=2.463X+4.176 |
2.160 |
153.62 |
A:B=1:4 |
Y=1.320X+4.734 |
1.591 |
190.45 |
A:B=1:6 |
Y=2.554X+4.056 |
2.343 |
124.71 |
A:B=1:10 |
Y=1.320X+4.755 |
1.534 |
184.47 |
A:B=1:20 |
Y=2.414X+4.257 |
2.032 |
135.66 |
A:B=1:30 |
Y=1.665X+4.437 |
2.178 |
125.42 |
A:B=1:50 |
Y=1.225X+4.753 |
1.591 |
170.45 |
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 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 composition
Agent is the mepanipyrim SC of agricultural chemicals single dose 10% and 25% M 9834 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 M 9834 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 M 9834 wettable powder (1:2)
By mepanipyrim 5g, M 9834 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 M 9834 wettable powder.
Embodiment 2:15% mepanipyrim M 9834 wettable powder (1:4)
By mepanipyrim 3g, M 9834 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 M 9834 wettable powder that active ingredient mass percent, which is made,
Agent.
Embodiment 3:14% mepanipyrim M 9834 wettable powder (1:6)
By mepanipyrim 2g, M 9834 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 M 9834 wettable powder that active ingredient mass percent, which is made,
Agent.
Embodiment 4:20% mepanipyrim M 9834 suspending agent (1:1)
Weigh 10g mepanipyrims, 10g M 9834s, 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 M 9834 suspending agent to divide mass percent.
Embodiment 5:55% mepanipyrim M 9834 aqueous emulsion (1:10)
5g mepanipyrims, 50g M 9834s, 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 M 9834 aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 6:42% mepanipyrim M 9834 missible oil (1:20)
Weigh 2g mepanipyrims, 40g M 9834s, 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 M 9834 missible oil.
Embodiment 7:70% mepanipyrim M 9834 missible oil (2.5:1)
Weigh 50g mepanipyrims, 20g M 9834s, 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 M 9834 missible oil into active ingredient mass percent.
Embodiment 8:18% mepanipyrim M 9834 water dispersion granule (5:1)
Weigh 15g mepanipyrims, 3g M 9834s, 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 M 9834 water dispersion granule.
Embodiment 9:11% mepanipyrim M 9834 missible oil (10:1)
Weigh 10g mepanipyrims, 1g M 9834s, 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 M 9834 missible oil.
Embodiment 10:31.5% mepanipyrim M 9834 microemulsion (20:1)
Weigh 30g mepanipyrims, 1.5g M 9834s, 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 M 9834 microemulsion that effective ingredient percent, which is made,.
Embodiment 11:31% mepanipyrim M 9834 missible oil (30:1)
Weigh 30g mepanipyrims, 1g M 9834s, 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 M 9834 missible oil.
Embodiment 12:51% mepanipyrim M 9834 suspending agent (50:1)
Weigh 50g mepanipyrims, 1g M 9834s, 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 M 9834 suspending agent.
Embodiment 13:32% mepanipyrim M 9834 microemulsion (1:15)
Weigh 2g mepanipyrims, 30g M 9834s, 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 M 9834 microemulsion that effective ingredient percent, which is made,.
Embodiment 14:6% mepanipyrim M 9834 aqueous emulsion (1:5)
Weigh 1g mepanipyrims, 5g M 9834s, 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 M 9834 aqueous emulsion that effective ingredient percent, which is made,.
Embodiment 15:62% mepanipyrim M 9834 microemulsion (1:30)
Weigh 2g mepanipyrims, 60g M 9834s, 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 M 9834 microemulsion that effective ingredient percent, which is made,.
Embodiment 16:51% mepanipyrim M 9834 suspending agent (1:50)
Weigh 1g mepanipyrims, 50g M 9834s, 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 M 9834 suspending agent.
Embodiment 17:7% mepanipyrim M 9834 water dispersion granule (1:2.5)
Weigh 2g mepanipyrims, 5g M 9834s, 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 M 9834 water dispersion granule to divide mass percent.