CN105104391B - A kind of bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate - Google Patents
A kind of bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate Download PDFInfo
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- CN105104391B CN105104391B CN201510530832.9A CN201510530832A CN105104391B CN 105104391 B CN105104391 B CN 105104391B CN 201510530832 A CN201510530832 A CN 201510530832A CN 105104391 B CN105104391 B CN 105104391B
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Abstract
The invention discloses a kind of bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate, and it is that jamaicin and oxine-copper composite form by active ingredient, and the mass ratio of the jamaicin and copper 8-hydroxyquinolinate is 1:9‑9:1.The bactericidal composition of the present invention can be prepared into the regular dosage form in the Pesticide Sciences such as wettable powder, water dispersible granules, suspending agent, microcapsule suspending agent, granule or aqueous emulsion.Microbicide compositions of the present invention have the advantages that efficient, environmental contamination is small, delays the germ resistance to the action of a drug to produce, and the bactericidal composition can be used for the disease of preventing and treating various crop, especially bacterial leaf streak of rice.
Description
Technical field
The invention belongs to technical field of pesticide, is related to composition pesticide, particularly relates to one kind and contains jamaicin and quinoline
The bactericidal composition of quinoline copper.
Background technology
In the whole growth course of crop, the threat of the evil thing such as numerous diseases, worm, grass, wherein disease are faced with, especially
It is fungal disease, because its species is various, complicated symptoms, propagates the features such as rapid, harm is serious and plyability occurs and makes it
Difficulty of prevention and cure is increased, and grave danger is formed to crop yield and quality.In agricultural production process, in order to reduce because of fungoid
Loss caused by disease, chemical prevention are one of current more significant means, but due to for a long time, unicity, continuity,
Scientific Usage of Drugs means do not have resulted in many pathogens and produce different degrees of resistance to currently used medicament repeatability etc., and according to
Report, due to this unscientific medication means, the resistance generation time of various medicaments shortens year by year, causes cost accounting, ring
Border cost, medicament R＆D costs are significantly increased.Based on this present situation, effect of drugs is improved on the basis of existing to solve above-mentioned ask
Inscribe relatively inexpensive effective means.
Jamaicin is also known as berberine.A kind of common morphinane alkaloid, molecular formula C20H18NO4, its structure is as follows：
Jamaicin is present in many plants of the section ten of Berberidaceae etc. four category.M.-E. Xia Waliai and G. in 1826
Pei Ertan is obtained first from Xanthoxylonclava barks.Jamaicin is a kind of quartermary ammonium alkaloids.It can be separated out from ether
Yellow needle-like crystals；145 DEG C of fusing point；Water is dissolved in, is insoluble in benzene, ether and chloroform.It is mainly used in treating gastroenteritis, bacillary dysentery
The enteric infections such as disease, eye conjunctivitis, otitis media suppurative etc. are effective.Recently it has also been found that this product has blocking alpha-receptor, the anti-rhythm of the heart loses
Often effect.
Jamaicin has to hemolytic streptococcus, staphylococcus aureus, gonococcus and Freund, Shigella shigae etc.
Antibacterial action, and have enhancing white blood cell phagocytosis, also there is different degrees of inhibitory action to tubercle bacillus, plague bacillus, to big
The amoeba bacterium of mouse also has suppression effectiveness.Jamaicin has anti-curare to act in animals, and has peripheral decompression and solution
Heat effect.The hydrochloride (being commonly called as Halomine) of jamaicin is widely used in treatment gastroenteritis, bacillary dysentery etc., to lung knot
Core, scarlet fever, acute tonsillitis and respiratory tract infection also have certain curative effect.The traditional Chinese medical science is often big with the coptis, golden cypress, barberry and ten
Contribution etc. makees clearing heat and detoxicating medicine, and wherein principle active component is jamaicin.
Copper 8-hydroxyquinolinate can prevent and treat the disease caused by bacterium and all kinds of fungies to clamp together the organic copper fungicide of state；Registration
Crop and disease are the peronospora tabacinas of lichee, the use of extension rate are 1000-1500 times；The other diseases that can be prevented and treated：Grape
Downy mildew and anthrachose of grape；Downy mildew, anthracnose and the bacterial angular leaf spot of cucumber；Downy mildew, anthracnose and the bacterium of foreign muskmelon
Property angular leaf spot；Black spot, scab and the ring spot of pears；Watermelon, the downy mildew of pumpkin and muskmelon, anthracnose；Cabbage it is black
Maize ear rot；Rot, bacterial angular leaf spot, soft rot and downy mildew of lettuce etc..
Agricultural chemicals is made in the combination of active principles of different agricultural chemicals, is current exploitation and develops novel pesticide and preventing and treating agriculturally
A kind of effective and quick way of resistance germ.After the pestsides synthesis of different cultivars, three kinds of type of action are typically exhibited：Phase
Add effect, synergistic effect and antagonism.Compound synergic is formulated well, can significantly improve actual prevention effect, reduces agriculture
The usage amount of medicine, it is the important means of integrated control disease so as to greatly delay the drug-fast generation speed of germ.
Synergistic bactericidal composition can not only greatly improve preventive effect, reduce dosage, reduce cost, while can also avoid
Phytopathogen produces the generation speed of resistance and delaying drug resistance, be solve current agricultural chemicals it is alone when resistance and Cost Problems one
Kind effective means.Therefore, develop has the bactericidal composition of synergistic effect significant to plant disease.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
The invention aims to overcome dosing existing for above-mentioned single bactericide big, environmental pollution is serious,
Germ resistance produces the shortcomings of speed is fast and provides a kind of bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate efficiently, safe.
Under optimal proportion, composition has notable synergistic effect, and the usage amount of medicament is reduced in the case where ensureing optimal preventive effect, reduces cost,
The harm to environment is reduced, and is beneficial to delay the drug-fast generation of germ.
Technical scheme provided by the invention is：
A kind of bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate, its be jamaicin and oxine-copper composite by active ingredient and
Into.
Preferably, the mass ratio of the jamaicin and copper 8-hydroxyquinolinate is 1:9-9:1.
Preferably, the mass ratio of the jamaicin and copper 8-hydroxyquinolinate is 9:1.
Preferably, the mass ratio of the jamaicin and copper 8-hydroxyquinolinate is 7:3.
Present invention also offers a kind of pesticidal preparations for including described bactericidal composition, the jamaicin and copper 8-hydroxyquinolinate
Quality accounts for the 1-90% of pesticidal preparations gross mass, and surplus is acceptable auxiliary element auxiliary agent, solvent or filler on agricultural chemicals.
Preferably, the formulation of described pesticidal preparations is wettable powder, water dispersible granules, suspending agent, microcapsule suspension
Agent, granule or aqueous emulsion.
The auxiliary agent used in described pesticidal preparations includes solvent, dispersant, emulsifying agent, stabilizer, antifreezing agent, film forming
Agent, wetting agent etc. and it is other be beneficial to active ingredient in the formulation stablize and drug effect play known substance, be all pesticidal preparations
In commonly use or allow the various composition used, be not particularly limited, specific composition and dosage are according to recipe requirements by simply trying
Test determination.
The bactericidal composition of the present invention preventing and treating rice, wheat, vegetables, fruit tree etc. should in multiple diseases on crop
Be particularly suitable for use in preventing and treating bacterial leaf streak of rice disease.
The bactericidal composition of the present invention can also be applied by common method, such as cast, spraying, spread, its amount of application is with day
Gas bar part or crop condition change.
Compared with prior art, the present invention has the advantages that：
1. the bactericidal composition of the present invention is made up of two kinds of different active ingredients of mechanism of action, to rice bacterium after mixture
Property cecospora spot germ has obvious synergistic function, improves prevention effect, while be also beneficial to overcome and delay germ
Drug-fast generation.
2. present composition medicament mixture reduces dosage, so as to reduce cost and alleviate the dirt to environment
Dye, security is good, meets the security requirement of pesticidal preparations.
3. the bactericidal composition provided of the present invention has preferable to disease caused by Xanthomonas campestris pv. Oryzicola
Prevention effect.
Embodiment
The embodiment of the present invention is described in detail with reference to embodiment, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Inventor has found that jamaicin is combined to bacterial leaf streak of rice with oxine-copper composite by substantial amounts of screening test
Germ has significantly synergistic function, and rather than just the simple addition of two kinds of medicaments, this is from following biologicall test example
It is clear that.
Biologicall test example 1：Toxicity Determination of the jamaicin with oxine-copper composite to Xanthomonas campestris pv. Oryzicola
Subjects：Pick up from the xanthomonas oryzae pv. oryzicola in field
Test method：Reagent agent is made into certain density mother liquor, then 5 are configured to water dilution in the ratio of setting~
6 concentration, if clear water is control, concentration containing germ is separately added into as 1 × 107In cfu/mL NB nutrient solutions, in 28 DEG C,
In 130r/m constant-temperature table, after cultivating 24 hours, absorbance is determined under 600nm wavelength using UV detector,
Bacteriostasis rate is calculated by formula 2-3.Drug concentration is converted into logarithm, bacteriostasis rate is converted into niqueMin and carries out linear regression, calculates
Virulence regression equation and EC50 values (Half Maximal Effective Concentration, EC50).
The method that this experiment is screened with reference to (2000) such as Chen Li to the optimal synergistic formula of agriculture chemical compounding is carried out.
First, with common malicious factorization method a large amount of compounded combinations are carried out with the qualitative screening of synergistic effect.Assuming that through toxicity test
A, the antibacterial middle concentration of the single doses of B two is respectively a and b, then with selection 9 during the synergistic effect of malicious factorization method evaluation A+B mixtures altogether
Proportioning, this 9 proportionings are ten Along ents of additive effect line in isoboles, are represented by a/9b, 2a/8b, 3a/7b, 4a/
6b、5a/5b、6a/4b、7a/3b、8a/2b、9a/b.The single dose of A, B two is pressed into certain volume by corresponding concentration gradient order
Than 1:9、1:4、3:7、2:3、1:1、3:2、7:3、4:1、9:1 mixing, obtain the concentration gradient of whole ratio mixture.Pass through OD value methods
Inhibitory action of each matched proportion density gradient to bacterial leaf streak of rice is measured, antibacterial compatibility is found out and preferably enters sieve in next step
Choosing.
Quantitative analysis is carried out to there is the compounded combination of synergistic effect, then with the abundant methods of Sun Yun, acquired results are according to Sun＆
Johnson methods obtain co-toxicity coefficient and nitrate enhancement.Processing method is：The concentration of single dose and mixture is converted into logarithm, it is antibacterial
Rate is converted into niqueMin and carries out linear regression, obtains EC50 values.The co-toxicity coefficient (CTC) of mixed agent, is calculated according to below equation：
Mixed agent co-toxicity coefficient (CTC)=[actual measurement mixture toxicity index (ATI)/theoretical toxicity index (TTI)] × 100
Mixture actual measurement toxicity index (ATI)=(EC50 of the EC50/ reagent agents of standard agent) × 100
Content (the %)+B agent toxicity indexes of mixture theoretical toxicity index (TTI)=A agent toxicity index × A agent in mixture
Content (%) of × B agent in mixture
The co-toxicity coefficient of mixture (CTC)≤120, is synergistic effect；CTC≤80, it is antagonism；80 ﹤ CTC ﹤ 120, it is
Summation action.
Toxicity test result sees below Tables 1 and 2.
The virulence of the jamaicin of table 1 and copper 8-hydroxyquinolinate to xanthomonas oryzae pv. oryzicola
Toxicity Determination result of the jamaicin of table 2 with oxine-copper composite to Xanthomonas campestris pv. Oryzicola
| Processing | EC50(μg/ml) | ATI | TTI | CTC |
| Jamaicin | 2.9008 | 100.00 | —— | —— |
| Copper 8-hydroxyquinolinate | 0.9705 | 298.90 | —— | —— |
| Jamaicin 1：Copper 8-hydroxyquinolinate 9 | 0.85 | 341.27 | 279.01 | 122.32 |
| Jamaicin 2：Copper 8-hydroxyquinolinate 8 | 0.91 | 318.77 | 259.12 | 123.02 |
| Jamaicin 3：Copper 8-hydroxyquinolinate 7 | 1.01 | 287.21 | 239.23 | 120.06 |
| Jamaicin 4：Copper 8-hydroxyquinolinate 6 | 1.04 | 278.92 | 219.34 | 127.17 |
| Jamaicin 1：Copper 8-hydroxyquinolinate 1 | 1.12 | 259.00 | 199.45 | 129.86 |
| Jamaicin 6：Copper 8-hydroxyquinolinate 4 | 1.31 | 221.44 | 179.56 | 123.32 |
| Jamaicin 7：Copper 8-hydroxyquinolinate 3 | 1.18 | 245.83 | 159.67 | 153.96 |
| Jamaicin 8：Copper 8-hydroxyquinolinate 2 | 1.53 | 189.59 | 139.78 | 135.64 |
| Jamaicin 9：Copper 8-hydroxyquinolinate 1 | 1.5 | 193.39 | 119.89 | 161.31 |
As shown in table 1, the mass ratio of bactericidal composition Berberine of the invention and copper 8-hydroxyquinolinate is 1:9-9:In the range of 1,
Co-toxicity coefficient is all higher than 120, i.e. said composition shows as synergistic effect to the bioactivity of Xanthomonas campestris pv. Oryzicola；
Especially when the mass ratio of jamaicin and copper 8-hydroxyquinolinate is 9:1 or 7:When 3, synergistic effect is more obvious.
The Fungicidal composition of the present invention can be prepared into any one formulation of suitable agricultural use with known method,
Relatively good formulation is wettable powder, water dispersible granules, suspending agent, microcapsule suspending agent, granule or aqueous emulsion.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, present invention specific examples below
Illustrate, but the present invention is limited to absolutely not these examples.As described below is only the preferable embodiment of the present invention, only explaining
The present invention, therefore it can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that all spirit in the present invention
With any modification made within principle, equivalent substitution and improvement etc., should be included in the scope of the protection.It is all
Percentage is weight percentage in formula.The processing technology of each preparation of the present composition is prior art, according to difference
Situation can be varied from.
Embodiment 1：1% little Bo Jian ﹒ copper 8-hydroxyquinolinate granules
Dimethylbenzene is added in jamaicin and copper 8-hydroxyquinolinate, is then sufficiently stirred them, is completely dissolved them；Stirring
Under, propane diols is slowly added into system, is sufficiently stirred 30 minutes, is completely dissolved them, forms stable solution.
First the zeolite of 12-60 mesh is added in mixer, then the solution of aforementioned stable is added thereto, is mixed 30 minutes,
Through screen, detect it is qualified after i.e. available 1% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate granules.
Embodiment 2：10% little Bo Jian ﹒ copper 8-hydroxyquinolinate microcapsule suspending agents
By rosickyite bacterium ester 2%, copper 8-hydroxyquinolinate 8%, it is dissolved in 5% dimethylbenzene, then is pumped into tributyl phosphate 0.3%, carboxylic first
Base cellulose 2.4%, sodium alginate 2.7%, sheared 30 minutes in high shear kettle high speed, add 20% Lauxite pre-polymerization
Body, 2000 revs/min of lower elevated cures of stirring 60 minutes add deionized water afterwards, 4.5% dinaphthylmethanedisulfonic acid sodium,
1.8% bentonite, 10% jamaicin copper 8-hydroxyquinolinate microcapsule suspending agent can be obtained by stirring.
Embodiment 3：16% small bark of a cork tree alkali ﹒ quinoline aqueous emulsion of copper
Active compound, solvent, cosolvent emulsifying agent in above-mentioned formula are dissolved into homogeneous oil phase；By part water, antifreezing agent, defoaming
The insecticides adjuvants such as agent mix to form uniform aqueous phase, and oil phase adds aqueous phase and high speed shear is carried out in cutter, and adds
Enter remaining water, shear 30 minutes, be well mixed.16% small bark of a cork tree alkali ﹒ quinoline aqueous emulsion of copper is made.
Embodiment 4：21% little Bo Jian ﹒ copper 8-hydroxyquinolinate suspending agents
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is mixed in the ratio of formula
It is even, 21% little Bo Jian ﹒ copper 8-hydroxyquinolinate suspending agents are obtained after high speed shear.
Embodiment 5：60% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, after ultra-fine pulverizer disintegrating
To 60% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders.
Embodiment 6：90% small bark of a cork tree alkali ﹒ quinoline copper water dispersion granulas
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, obtained after air-flow crushing wettable
Property pulvis, add a certain amount of water mixing extruder grain, through dry sieve after obtain 90% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate water-dispersible grains
Agent.
Embodiment 7：55% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, after ultra-fine pulverizer disintegrating
To 55% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders.
Embodiment 8：21% little Bo Jian ﹒ copper 8-hydroxyquinolinate microcapsule suspending agents
By rosickyite bacterium ester 20%, copper 8-hydroxyquinolinate 1%, it is dissolved in 5% dimethylbenzene, then is pumped into tributyl phosphate 0.3%, carboxylic first
Base cellulose 2.4%, sodium alginate 2.7%, sheared 30 minutes in high shear kettle high speed, add 20% Lauxite pre-polymerization
Body, 2000 revs/min of lower elevated cures of stirring 60 minutes add deionized water afterwards, 4.5% dinaphthylmethanedisulfonic acid sodium,
1.8% bentonite, 21% jamaicin copper 8-hydroxyquinolinate microcapsule suspending agent can be obtained by stirring.
Embodiment 9：41% small bark of a cork tree alkali ﹒ quinoline copper water dispersion granulas
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, obtained after air-flow crushing wettable
Property pulvis, add a certain amount of water mixing extruder grain, through dry sieve after obtain 41% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate water-dispersible grains
Agent.
Embodiment 10：61% small bark of a cork tree alkali ﹒ quinoline copper water dispersion granulas
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, obtained after air-flow crushing wettable
Property pulvis, add a certain amount of water mixing extruder grain, through dry sieve after obtain 61% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate water-dispersible grains
Agent.
Embodiment 11：81% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, after ultra-fine pulverizer disintegrating
To 81% little Bo Jian ﹒ copper 8-hydroxyquinolinate wettable powders.
Embodiment 12：6% little Bo Jian ﹒ copper 8-hydroxyquinolinate granules
Dimethylbenzene is added in jamaicin and copper 8-hydroxyquinolinate, is then sufficiently stirred them, is completely dissolved them；Stirring
Under, propane diols is slowly added into system, is sufficiently stirred 30 minutes, is completely dissolved them, forms stable solution.
First the zeolite of 12-60 mesh is added in mixer, then the solution of aforementioned stable is added thereto, is mixed 30 minutes,
Through screen, detect it is qualified after i.e. available 6% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate granules.
Embodiment 13：70% small bark of a cork tree alkali ﹒ quinoline copper water dispersion granulas
Active component and various auxiliary agents and filler etc. are well mixed in the ratio of formula, obtained after air-flow crushing wettable
Property pulvis, add a certain amount of water mixing extruder grain, through dry sieve after obtain 70% small bark of a cork tree alkali ﹒ copper 8-hydroxyquinolinate water-dispersible grains
Agent.
Embodiment 14：30% little Bo Jian ﹒ copper 8-hydroxyquinolinate suspending agents
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is mixed in the ratio of formula
It is even, 30% little Bo Jian ﹒ copper 8-hydroxyquinolinate suspending agents are obtained after high speed shear.
Embodiment 15：25% small bark of a cork tree alkali ﹒ quinoline aqueous emulsion of copper
Active compound, solvent, cosolvent emulsifying agent in above-mentioned formula are dissolved into homogeneous oil phase；By part water, antifreezing agent, defoaming
The insecticides adjuvants such as agent mix to form uniform aqueous phase, and oil phase adds aqueous phase and high speed shear is carried out in cutter, and adds
Enter remaining water, shear 30 minutes, be well mixed.25% small bark of a cork tree alkali ﹒ quinoline aqueous emulsion of copper is made.
Embodiment 15：1% little Bo Jian ﹒ copper 8-hydroxyquinolinate microemulsions
Active compound is dissolved in organic solvent and cosolvent, it is to be dissolved completely after, add emulsifying agent, stir, be allowed to shape
Into homogeneous mixed system, aqueous phase is then added dropwise into system, stirring forms transparent w/o type micro emulsion, under the conditions of 55 DEG C
Stirring in water bath, it is allowed to form O/W type micro emulsions, that is, 1% little Bo Jian ﹒ copper 8-hydroxyquinolinate microemulsions is made.
Field efficacy embodiment 1：1% jamaicin copper 8-hydroxyquinolinate microemulsion (7:3) to the preventing and treating of bacterial leaf streak of rice
Effect
With the jamaicin microemulsion of agricultural chemicals single dose 1% and 33.5% copper 8-hydroxyquinolinate wettable powder as a comparison, by embodiment 15
1% prepared jamaicin copper 8-hydroxyquinolinate microemulsion (7:3) dispenser is handled, and the investigation prevention effect after 15d, the results are shown in Table 3.
Prevention effect of the jamaicin copper 8-hydroxyquinolinate microemulsion of table 3 1% to bacterial leaf streak of rice
From table 3 it can be seen that prevention effect of the built agent in 0.5g/L is best, but it is suitable with 0.05g/L preventive effect；It is multiple
Ingredients 0.05g/L preventive effect is suitable with the Yekuzuo wettable powder active ingredient 0.44g/L of comparison medicament 20% preventive effect, and aobvious
Write the preventive effect higher than copper 8-hydroxyquinolinate single dose.
In summary, there is obvious synergistic function after bactericidal composition mixture of the invention, improve preventing and treating effect
Fruit, while be also beneficial to overcome and delay the drug-fast generation of germ, before bactericidal composition of the invention has good business
Scape.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
- A kind of 1. bactericidal composition containing jamaicin and copper 8-hydroxyquinolinate, it is characterised in that：It is jamaicin and quinoline by active ingredient Copper compounding forms；The mass ratio of the jamaicin and copper 8-hydroxyquinolinate is 9:1.
- A kind of 2. pesticidal preparations of the bactericidal composition comprising described in claim 1, it is characterised in that：The jamaicin and quinoline The quality of copper accounts for the 1-90% of pesticidal preparations gross mass, and surplus is acceptable auxiliary element auxiliary agent, solvent or filler on agricultural chemicals.
- 3. pesticidal preparations according to claim 2, it is characterised in that：The formulation of the pesticidal preparations be wettable powder, Water dispersible granules, suspending agent, microcapsule suspending agent, granule or aqueous emulsion.
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| CN107212012A (en) * | 2017-06-29 | 2017-09-29 | 广西南宁黑泥巴农业科技有限公司 | A kind of paddy rice bactericidal composition |
| CN107136102A (en) * | 2017-06-29 | 2017-09-08 | 广西南宁黑泥巴农业科技有限公司 | A kind of bactericidal composition for preventing and treating bacterial leaf streak of rice |
| CN108849942A (en) * | 2018-09-05 | 2018-11-23 | 西南大学 | A kind of jamaicin soluble granula and preparation method thereof |
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| CN101961019B (en) * | 2010-10-29 | 2013-02-13 | 湖北太极生化开发有限公司 | Plant source bactericide and application thereof |
| CN102349520B (en) * | 2011-08-25 | 2013-09-04 | 华南农业大学 | Application of berberine as herbicide |
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