CN109730081A - A kind of agriculture bactericide composition - Google Patents

A kind of agriculture bactericide composition Download PDF

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Publication number
CN109730081A
CN109730081A CN201910141480.6A CN201910141480A CN109730081A CN 109730081 A CN109730081 A CN 109730081A CN 201910141480 A CN201910141480 A CN 201910141480A CN 109730081 A CN109730081 A CN 109730081A
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China
Prior art keywords
prochloraz
polylysine
epsilon
bactericide
bactericide composition
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CN201910141480.6A
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Chinese (zh)
Inventor
徐虹
许宗奇
冯小海
董福健
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NANJING SHINEKING BIOTECHNOLOGY CO Ltd
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NANJING SHINEKING BIOTECHNOLOGY CO Ltd
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Priority to CN201910141480.6A priority Critical patent/CN109730081A/en
Publication of CN109730081A publication Critical patent/CN109730081A/en
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Abstract

The invention discloses a kind of agriculture bactericide compositions, by the way that biological bactericide and chemical bactericide are combined, based on biological bactericide epsilon-polylysine, supplemented by chemical bactericide pyrazoles Fluoxastrobin and Prochloraz, three kinds of ingredient synergy have broad-spectrum sterilization effect, the pathogen for leading to soil-borne disease in soil can be killed or cause the pathogen of crop Common Diseases, chemical bactericide dosage can be substantially reduced, pesticide residue, the demand of more agricultural food safety are reduced.

Description

A kind of agriculture bactericide composition
Technical field
The present invention relates to disinfectant use in agriculture, especially a kind of sterilization containing epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz Composition.
Background technique
Plant disease is always one of the important restriction factor of crops good quality and high output.It is estimated that global staple crops Because average loss accounts for about the 10%~15% of total output caused by by invading pathogens, annual direct economic loss is up to hundreds billion of Dollar.
Agricultural is that fungicide usage amount is maximum, and kind used is most, a most wide field of use scope.Disinfectant use in agriculture Referring to play pathogen inhibits the substance of perhaps killing effect to have kill germ spore, mycelium or inhibit it to develop, is raw Long effect.However, the fungicide applied in current agricultural production is mainly chemical classes medicament, easily biological-degradable, is not remained easily, Long-time service easily causes environmental pollution, and food-safe constitutes a threat to.Ideal fungicide should have high efficiency, Gao Xuan Selecting property, it is environmentally friendly, to plant without phytotoxicity and the disease resistance of plant can be improved, do not put aside in people, animal body.In recent years, It is more and more to the research of biological source bactericide.Biological bactericide have additive amount is few, use cost is low, bactericidal effect is obvious, The advantages that harmless to the human body, no pollution to the environment.
Epsilon-polylysine (ε-Polylysine) is that a kind of Microbe synthesis by 25~45 lysine residues passes through α- Hydroxyl and epsilon-amino form amido bond and the lysine polymers that connect into.The antimicrobial spectrum of epsilon-polylysine is very wide, to gram Positive bacteria, Gram-negative bacteria, saccharomycete, mould etc. have good inhibiting effect.Its dominant mechanism be epsilon-polylysine with Somatic cells film combines, and forms hole on film, destroys the membrane structure of microorganism, and a small amount of intracellular molten beyond the region of objective existence is caused to be let out, But cell quality remains unchanged, and still survives.Then epsilon-polylysine continue with somatic cells act on, by the duct on film into Enter cell, and then influence the structure and function of cell membrane, destroys the normal physiological metabolism of bacterium, cause substance, the energy of cell It with the transmitting of information, has an effect with cell interior substance, destroys cell core, eventually lead to cell death.Polylysine is A kind of abnormal shape polypeptide, can finally be degraded to lysine salt, slowly provide nutrition for plant growth.
Although biological bactericide has environmental-friendly advantage, however, being tended to out when biological bactericide is used alone The problems such as existing fungicide degradation is fast, and sterilization is not thorough.And traditional chemical bactericide group, although sterilization effectiveness is high, action time Persistently, but there is not easily biological-degradable, contaminated soil environment, and be easy the disadvantages of making pathogen develop drug resistance.Therefore, raw It is the effective way to solve the above problems that object fungicide and chemical bactericide, which are applied in combination,.
Summary of the invention
The technical problem to be solved by the present invention is to easily remain for existing chemical bactericide, biological bactericide it is degradable Problem provides a kind of combined bactericide comprising biological bactericide and chemical bactericide, specially a kind of to contain epsilon-polylysine, pyrrole The bactericidal composition of azoles Fluoxastrobin and Prochloraz significantly improves sterilization effectiveness, effectively extends the degradation time of biological bactericide, subtracts The usage amount of few chemical bactericide, and be not easy that pathogen is made to form drug resistance.
In order to solve the above-mentioned technical problem, the invention discloses a kind of agriculture bactericide composition, its active constituent packets Containing epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz, weight ratio is (0.5~10): (0.2~2): (0.2~2).
Wherein, biological bactericide epsilon-polylysine plays a leading role, and chemical bactericide pyrazoles Fluoxastrobin and Prochloraz are auxiliary Effect is helped, three kinds of ingredient synergy can substantially reduce chemical bactericide dosage, reduce pesticide residue.
Preferably, the average molecular weight of the epsilon-polylysine is 3500-4500Da.
The epsilon-polylysine can with epsilon-polylysine salt replace, the epsilon-polylysine salt be chelated Na, K, One of Ca, Mn, Cu, Zn, Fe or multiple element form epsilon-polylysine salt.
The Prochloraz can be replaced with Prochloraz salt, and the Prochloraz salt is prochloraz-manganese chloride complex or Prochloraz copper Salt.
Further, which is made of active constituent and auxiliary material, and different application agent can be made Type, including but not limited to microemulsion, aqueous emulsion, suspending agent, wettable powder or water dispersible granules.
Wherein, the active component content is 10~95wt%, remaining is that remaining ingredient is auxiliary material.
The auxiliary material includes one or more of filler, dispersing agent, emulsifier, wetting agent, solvent.
The dispersing agent includes one of NNO, lignosulfonates, naphthalene sulfonate and polymeric carboxylic salt or a variety of Combination;The emulsifier includes phenethyl phenol polyethenoxy ether phosphate, nonylphenol polyoxyethylene ether, Nongru-700 # and agriculture breast One of 2201 or a variety of combinations;The wetting agent includes alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, alkane Base phenol polyethenoxy base ether phosphate, alkylsulfonate, alkyl sulfate and to methoxyl group fatty acid amido benzene sulfonate etc. change Close one of object or a variety of combinations;The filler includes one of bentonite, kaolin, aluminium-magnesium silicate and water or a variety of Combination;The solvent includes dimethylbenzene, one of solvent naphtha and toluene or a variety of combinations.The main function of auxiliary material is Bactericidal composition of the present invention can be assisted to be made different application forms, including microemulsion, aqueous emulsion, suspending agent, can Wet powder or water dispersible granules.Therefore, auxiliary material of the present invention is not limited only to mentioned kind, is not departing from present inventive concept In the case where, the sterilization of other complementary ingredients and epsilon-polylysine of the present invention, pyrazoles Fluoxastrobin and Prochloraz composition Composition is also included within the scope of the present invention.
The utility model has the advantages that
Microbicide compositions of the present invention are by the way that biological bactericide and chemical bactericide to be combined, with biological bactericide ε- Based on polylysine, supplemented by chemical bactericide pyrazoles Fluoxastrobin and Prochloraz, three kinds of ingredient synergy have broad-spectrum sterilization effect It answers, the pathogen for leading to soil-borne disease in soil can be killed or causes the pathogen of crop Common Diseases, it can substantially reducing Fungicide dosage is learned, pesticide residue, the demand of more agricultural food safety are reduced.
Specific embodiment
According to following embodiments, the present invention may be better understood.
Embodiment 1:
A kind of bactericidal composition wettable powder containing epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz.
By epsilon-polylysine 4.5g, pyraclostrobin 0.5g, Prochloraz 0.2g, to methoxyl group fatty acid amido benzene sulfonic acid sodium salt 0.2g, dispersing agent NNO 0.4g, kaolin add to 10 grams, are sufficiently mixed uniformly and high speed crushes, wettable powder is made.
Embodiment 2:
A kind of bactericidal composition aqueous emulsion containing epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz.
By epsilon-polylysine 2.5g, pyraclostrobin 0.2g, Prochloraz 0.8g, phenethyl phenol polyethenoxy ether phosphate 0.2g, nonylphenol polyoxyethylene ether 0.2g, propylene glycol 0.6g, deionized water are mended to 10g, are stirred evenly using high-shear homogenizer, Aqueous emulsion is made.
Embodiment 3:
A kind of bactericidal composition aqueous emulsion containing epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz.
By the sodium salt 5g of epsilon-polylysine, pyraclostrobin 1g, prochloraz nantokite 1g, phenethyl phenol polyethenoxy ether phosphoric acid Ester 0.2g, nonylphenol polyoxyethylene ether 0.2g, propylene glycol 0.6g, deionized water are mended to 10g, are stirred using high-shear homogenizer equal It is even, aqueous emulsion is made.
Embodiment 4:
Combined bactericide tests the preventive effect of banana freckle:
Different fungicide is prepared by following scheme:
Fungicide 1: epsilon-polylysine 5.2g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 2: pyraclostrobin 5.2g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 3: Prochloraz 5.2g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 4: epsilon-polylysine 4.7g, pyrazoles Fluoxastrobin 0.5g, remaining adjunct ingredient and the same embodiment of preparation type 1;
Fungicide 5: epsilon-polylysine 5.0g, Prochloraz 0.2g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 6: pyrazoles Fluoxastrobin 5.0g, Prochloraz 0.2g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 7: pyrazoles Fluoxastrobin 0.5g, Prochloraz 4.7g, remaining adjunct ingredient and preparation type are the same as embodiment 1;
Fungicide 8: the combined bactericide prepared by embodiment 1.
This test selection carries out in the more serious banana garden of banana freckle over the years.Test sets 9 processing, each place Manage 3 repetitions, zone leader 10m, wide 5m, plot area 50m2, cell surrounding setting protection row will according to 80g/ mus of dosage After 2000 times of dilution agent of sterilization, is imposed on by the way of spraying on test Banana tree, apply, examine before taking out flower bud within 10 days before fruit maturation Preventive effect is examined, the results are shown in Table 1.
The different fungicide of table 1 handle the influence to banana freckle disease incidence
As shown in Table 1, the epsilon-polylysine of single component, pyrazoles Fluoxastrobin, Prochloraz can generate banana freckle Preventive and therapeutic effect, but compared with chemical bactericide, biological bactericide epsilon-polylysine preventive effect is relatively poor, and pyrazoles Fluoxastrobin is being prevented and treated Preventive effect is optimal on scab;And after epsilon-polylysine is compounded with pyrazoles Fluoxastrobin, Prochloraz any one, preventive effect significantly increases, And it is better than the compounding of two kinds of chemical bactericides, this shows that pyrazoles Fluoxastrobin or Prochloraz have synergistic work to epsilon-polylysine With.When three kinds of epsilon-polylysine, pyrazoles Fluoxastrobin, Prochloraz antimicrobial combinations are in use, preventive effect reaches highest, with control group phase Than banana freckle disease incidence reduces 24.2%, and disease incidence is only 1.3%.The combination of three kinds of fungicide, greatly reducing Learn the usage amount of fungicide.
Embodiment 5:
Preventive effect of the combined bactericide to rice blast:
Different fungicide is prepared by following scheme:
Fungicide 1: epsilon-polylysine 3.5g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 2: pyraclostrobin 3.5g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 3: Prochloraz 3.5g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 4: epsilon-polylysine 3.3g, pyrazoles Fluoxastrobin 0.2g, remaining adjunct ingredient and the same embodiment of preparation type 2;
Fungicide 5: epsilon-polylysine 2.7g, Prochloraz 0.8g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 6: pyrazoles Fluoxastrobin 0.2g, Prochloraz 3.3g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 7: pyrazoles Fluoxastrobin 2.7g, Prochloraz 0.8g, remaining adjunct ingredient and preparation type are the same as embodiment 2;
Fungicide 8: the combined bactericide prepared by embodiment 2.
This test selection carries out in the more serious plantation plot of rice blast.Test sets 9 processing, each processing 3 repetitions, zone leader 8m, wide 3m, plot area 24m2, the setting of cell surrounding, which is protected, goes, and according to 80g/ mus of dosage, will sterilize After 2000 times of dilution agent, rice field, tillering stage application are imposed on by the way of spraying, the pustulation period investigates preventive effect, the results are shown in Table 2.
Respectively influence of the processing to rice blast disease incidence of table 2
As shown in Table 2, the epsilon-polylysine of single component, pyrazoles Fluoxastrobin, Prochloraz can generate rice blast Preventive and therapeutic effect, but compared with chemical bactericide, biological bactericide epsilon-polylysine preventive effect is relatively poor, and epsilon-polylysine and pyrrole After azoles Fluoxastrobin, Prochloraz any one compounding, preventive effect is significantly increased, and is better than the compounding of two kinds of chemical bactericides, this shows Pyrazoles Fluoxastrobin or Prochloraz have synergistic function to epsilon-polylysine.When epsilon-polylysine, pyrazoles Fluoxastrobin, Prochloraz three Kind antimicrobial combination is in use, preventive effect reaches highest, and compared with the control group, rice blast disease incidence reduces 62.4%.Three kinds are killed The combination of microbial inoculum, greatly reduces the usage amount of chemical bactericide, and then reduces residual of the pesticide in crop, is more advantageous to Safeguard food safety.
The present invention provides a kind of thinking of agriculture bactericide composition and method, the method for implementing the technical solution It is many with approach, the above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill of the art For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.

Claims (7)

1. a kind of agriculture bactericide composition, which is characterized in that its active constituent include epsilon-polylysine, pyrazoles Fluoxastrobin and Prochloraz, weight ratio are (0.5~10): (0.2~2): (0.2~2).
2. agriculture bactericide composition according to claim 1, which is characterized in that the mean molecule of the epsilon-polylysine Amount is 3500-4500Da.
3. agriculture bactericide composition according to claim 1 or 2, which is characterized in that the epsilon-polylysine is poly- with ε- Lysine salt replacement, the epsilon-polylysine salt are to have chelated one of Na, K, Ca, Mn, Cu, Zn, Fe or multiple element Form epsilon-polylysine salt.
4. agriculture bactericide composition according to claim 1, which is characterized in that the Prochloraz is replaced with Prochloraz salt It changes, the Prochloraz salt is prochloraz-manganese chloride complex or prochloraz nantokite.
5. agriculture bactericide composition according to claim 1, which is characterized in that it is made of active constituent and auxiliary material, Different application forms, including microemulsion, aqueous emulsion, suspending agent, wettable powder or water dispersible granules can be made.
6. agriculture bactericide composition according to claim 5, which is characterized in that the active component content be 10~ 95wt%, remaining is that remaining ingredient is auxiliary material.
7. agriculture bactericide composition according to claim 5 or 6, which is characterized in that the auxiliary material includes filler, dispersion One or more of agent, emulsifier, wetting agent, solvent.
CN201910141480.6A 2019-02-26 2019-02-26 A kind of agriculture bactericide composition Pending CN109730081A (en)

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Application publication date: 20190510