CN108041058A - A kind of microbicide compositions for preventing citrus bacterial canker disease - Google Patents
A kind of microbicide compositions for preventing citrus bacterial canker disease Download PDFInfo
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- CN108041058A CN108041058A CN201711423260.XA CN201711423260A CN108041058A CN 108041058 A CN108041058 A CN 108041058A CN 201711423260 A CN201711423260 A CN 201711423260A CN 108041058 A CN108041058 A CN 108041058A
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- Prior art keywords
- zhongshengmycin
- berberine
- bacterial canker
- microbicide compositions
- canker disease
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to pesticides application technical fields, and in particular to a kind of bactericidal composition for preventing citrus bacterial canker disease.A kind of microbicide compositions for preventing citrus bacterial canker disease, which is characterized in that active ingredient is Zhongshengmycin and berberine, and the weight ratio of Zhongshengmycin and berberine is 1:60‑60:1.The bactericidal composition of the present invention shows fabulous synergistic effect in certain ratio range, mixed composition significantly improves bactericidal effect compared with its single dose, so as to reduce dosage, while peasant's drug cost is reduced, effect on environment degree is reduced.
Description
Technical field
The invention belongs to pesticides application technical fields, and in particular to a kind of microbicide compositions for preventing citrus bacterial canker disease.
Background technology
Citrus is global large fruit, and China is Orange Producing state and country of consumption maximum in the world, citriculture
It is distributed widely in 20 Duo Ge provinces and cities of south China, Citrus Industry is also the major source of revenues of main producing region peasant.Fertile mandarin orange is as new
The emerging late-maturing citrus to grow up has the beautiful strong prosperous, early fruiting and high yield of tree vigo(u)r, fruit appearance, the delicate slugging of pulp, juice multi-flavor
The features such as sweet tea, the low acid of high sugar, cultivation management are easier to, deep to be welcome by Guangxi orchard worker, the fertile mandarin orange enthusiasm of plantation at present is very high, expands
Kind is very rapid, and the Guangxi whole district, which has planted, within short 2 year is implanted with nearly 7000hm2, wherein only Nanning City has evolved to
2000-3000hm2。
Canker is a kind of worldwide disease, betides almost each Orange Producing state in Asia.The disease is in China
The provinces such as Guangdong, Guangxi, Fujian, Jiangxi, Zhejiang, Jiangsu, Hunan, Hubei, Guizhou, Sichuan are distributed.It cause harm Citrus leaf,
Branch, fruit, it is aggrieved most heavy with nursery stock, treelet, fallen leaves, spike top are caused, tree vigo(u)r is weak, and shedding etc. seriously affects yield and product
Matter.Tens of kinds of plants of Rutaceae can be endangered, route of transmission is wide, infects rapid, harm seriously.It is relatively single to canker pesticide control
First, mainly based on chemical pesticide, environmental pollution and food-safety problem are be easy to cause.
Zhongshengmycin is a kind of new antibiotic newly released in recent years, is resistant to gram-positive bacterium, Gram-negative
Bacterium, mycobacteria, saccharomycete and filamentous fungi.Especially to cucumber bacterial angular leaf spot, soft rot of Chinese cabbage, Seed detection
And other effects preferably.It registers to prevent the bacillary angle of soft rot of Chinese cabbage, bacterial wilt of tomato, bacterial blight of rice, cucumber at present
Pinta, watermelon blight, ring rot of apple, citrus bacterial canker disease.It is effective using Zhongshengmycin but due to being a kind of new antibiotic
The complex preparation of ingredient is not much.
Berberine, also known as berberine, are primarily present in Berberidaceae, Papaveraceae, Ranunculaceae, Rutaceae, Menispermaceae and sandlwood
In many plants such as section, rich content, material is easy to get, and is the main alkaloid active ingredient of traditional heat-clearing and detoxifying herb coptis,
It is a kind of common morphinane alkaloid, people are also frequently utilized that the anti-microbial property of berberine to prevent multiple kinds of crops disease pest
Evil, such as powdery mildew, downy mildew, canker of apple fruit, also someone the medicaments such as berberine and avermectin, imidacloprid are mixed, use
To prevent some crop pests.Thus the purposes of berberine is wide.
The long-time service of chemical pesticide, not only the germ resistance to the action of a drug increases, pollutes environment, but also often results in food
Safety problem, therefore it is current research hotspot that biogenic pesticide is selected, which to carry out controlling disease,.In addition by different pesticides it is effective into
Pesticide is made in subassembly, be current exploitation and develop novel pesticide and prevention agriculturally resistance germ it is a kind of effectively and efficiently
Mode.After the pestsides synthesis of different cultivars, three kinds of type of action are typically exhibited：Summation action, synergistic effect and antagonism.
Compound synergic is formulated well, can significantly improve actual control effect, reduces the usage amount of pesticide, so as to greatly delay disease
The drug-fast generation speed of bacterium is the important means of integrated control disease.
The content of the invention
To solve technical problem in the prior art, the present invention provides a kind of Bactericidal composite for preventing citrus bacterial canker disease
The advantages of object, the resistant risk of the microbicide compositions is small, at low cost, good drug efficacy and lasting period are long.
The present invention provides following technical solution：
It is a kind of prevent citrus bacterial canker disease microbicide compositions, active ingredient be Zhongshengmycin and berberine, Zhongshengmycin
Weight ratio with berberine is 1:60-60:1.
Preferably, the microbicide compositions of the prevention citrus bacterial canker disease, active ingredient Zhongshengmycin and berberine
Weight ratio be 1:40-60:1.
Preferably, the microbicide compositions of the prevention citrus bacterial canker disease, active ingredient Zhongshengmycin and berberine
Weight ratio be 1:20-10:1.
Preferably, the microbicide compositions of the prevention citrus bacterial canker disease, active ingredient Zhongshengmycin and berberine
Weight ratio be 1:1.
The present invention also provides a kind of pesticidal preparations for including the bactericidal composition, active ingredient Zhongshengmycin and small tiller
The quality of alkali accounts for the 5-95% of pesticidal preparations gross mass, remaining is auxiliary material.
Preferably, the quality of the pesticidal preparations, active ingredient Zhongshengmycin and berberine accounts for the total matter of pesticidal preparations
The 30-70% of amount, remaining is auxiliary material.
Preferably, the dosage form of the pesticidal preparations is granule, water dispersible granules or wettable powder.
Preferably, the auxiliary material is selected from emulsifier, dispersant, wetting agent, disintegrant, binding agent, antifreeze, defoaming
One or more in agent, thickener, filler, solvent etc..
Preferably, the emulsifier is agriculture breast series, alkylphenol polyoxyethylene ether, Ben-zylphenol Polyoxyethyl Ether, benzene
One or more of ethyl phenol polyethenoxy ether, castor oil polyoxyethylene ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether etc..
Preferably, the dispersant is selected from the phonetic formaldehyde contracting of polycarboxylate, lignosulfonates, alkylphenol-polyethenoxy
Conjunction object sulfate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy are phonetic, fatty amine polyoxy second
Alkene is phonetic, the one or more in polyoxyethylene carboxylate.
Preferably, the wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, profit
One or more in wet bleeding agent F, spaonin powder, silkworm excrement, spaonin powder.
Preferably, one or more of the disintegrant in bentonite, urea, ammonium sulfate, aluminium chloride.
Preferably, the binding agent is selected from Arabic gum, white dextrin, methylcellulose, sodium acrylate, polyethylene pyrrole
One or more in pyrrolidone, crosslinked polyvinylpyrrolidone, polyethylene glycol, polyvinyl alcohol.
Preferably, one or more of the antifreeze in ethylene glycol, propylene glycol, glycerine, polyethylene glycol.
Preferably, the antifoaming agent be selected from silicone oil, silicone compound, C10-20 saturated fat acid compounds,
One or more in C8-10 aliphatic alcohols compounds.
Preferably, one or more of the thickener in xanthan gum, polyvinyl alcohol, polyethylene glycol.
Preferably, the filler is selected from：It is kaolin, diatomite, bentonite, attapulgite, white carbon, starch, light
One or more in matter calcium carbonate.
Bactericidal composition of the present invention can be used for the purposes of controlling plant diseases.Available for soft rot of Chinese cabbage, kind
Bacterial wilt of eggplant, bacterial blight of rice, cucumber bacterial angular leaf spot, watermelon blight, ring rot of apple, citrus bacterial canker disease, white powder
The prevention of disease, downy mildew, canker of apple fruit etc.；Particularly for the prevention of citrus bacterial canker disease
Compared with prior art, the present invention has the advantages that：
(1) microbicide compositions of the invention show fabulous synergistic effect in certain ratio range, mixed
Composition significantly improves bactericidal effect compared with its single dose, so as to reduce dosage, while peasant's drug cost is reduced,
Reduce effect on environment degree.
(2) microbicide compositions of the invention expand fungicidal spectrum, and medicament characteristic also obtains extremely strong mutual supplement with each other's advantages, a kind of
Medicament can prevent various crop disease simultaneously, provide a kind of means of prevention extremely easily and effectively.
(3) microbicide compositions of the invention can delay the resistance of single dose to occur and development, interracial structure difference compared with
Greatly, there is no cross resistances.
(4) microbicide compositions of the invention belong to biogenic pesticide, safe and pollution-free to fruit tree.
Specific embodiment
The specific 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 restricted by specific implementation.
(1) example of formulations
Embodiment 1：50% Zhongshengmycin berberine water dispersible granules
Embodiment 2：33% Zhongshengmycin berberine water dispersible granules
Embodiment 3：50% Zhongshengmycin berberine wettable powder
Embodiment 4：42% Zhongshengmycin berberine wettable powder
(2) biological activity determination
Experiment one：Zhongshengmycin and berberine compound the Toxicity Determination to irrigating mandarin orange ulcer bacteria
Test method：Using the method for plate culture count, add people's sterile water after 40h is cultivated on slant medium for examination bacterium
It scrapes lawn and bacterium solution is made, vibrate 120s through high-speed oscillator, then the suspension of about 50/mL of thalline number is diluted to sterile water
Liquid；The reagent agent dilution 2mL of preparation is moved in the sterile petri diss of people, bacterial suspension is accurately added in pipette
1.0mL, then NT culture mediums (40-50 DEG C of liquid temperature) 10mL of thawing is poured into, shaken cultivation ware fills liquid, thalline and culture medium
Divide mixing, cultivate 16h under 25 DEG C of constant temperature after solidification, detect by an unaided eye and count the single bacterium colony number of each processing；Each medicament is dense
Degree sets 5 repetitions, and makees blank control with sterile water.
Bacterium colony inhibiting rate is calculated as follows：
Bacterium colony inhibiting rate/%=(control clump count-processing clump count)/control clump count x 100.By clump count inhibiting rate
Be converted into probit value, drug concentration is converted into numerical value, EC50 values are obtained with least square method.Then calculated altogether by the abundant methods of Sun Yun
Malicious coefficient (CTC).Specific measurement result is shown in Table 1.
When CTC≤80, then composition shows as antagonism, and as 80 ＜ CTC ＜ 120, then composition shows as being added and make
With when CTC >=120, then composition shows as synergistic effect.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) × 100；
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent；
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
1 Zhongshengmycin of table and berberine compounding are to irrigating mandarin orange canker Toxicity Determination
As shown in Table 1, Zhongshengmycin and berberine have synergistic effect in certain ratio range to fertile mandarin orange canker：When
Zhongshengmycin and berberine weight proportion are 1:40-60:When 1, co-toxicity coefficient shows as synergy work more than 120.0
With；Particularly when Zhongshengmycin and berberine weight ratio are 1:20-10:When 1, co-toxicity coefficient is shown as more than 140.0
Significant synergistic effect.
Experiment two：Zhongshengmycin and berberine compounding are to irrigating mandarin orange canker field efficacy
According to field control effectiveness test design method, using randomized blocks, 3 repetitions of often processing design, per cell for examination
3 plants of tree.In thanking rear 14d is spent to spray the 1st medicine, be then spaced 7 days and spray the 2nd, 3,4 medicine respectively.Dispenser uses hand backpack pressure
Contracting sprayer is sprayed, and is ensured after each dispenser for 24 hours without rain, if rain to add in time.It uniformly sprays to blade, fruit, medicine
Liquid often handles spraying liquid 10kg to being intended to drip to spend.Before dispenser, in every cell fixed point 3 plants of trees of selection, every plant of tree is 4 sides
Position mark tender tip, investigates citrus bacterial canker disease incidence, investigates the scab number on 100 blades and 50 fruits altogether, and is divided
Grade calculates disease index.7 and 14d is again respectively to 100 blades in mark tender tip and 50 fruit morbidities after last dispenser
Situation is investigated and incidence of leaf (fruit) is classified, and calculates incidence, disease index and preventive effect.
Severity Scaling：With blade (or fruit) for unit, severity Scaling standard is as follows：
0 grade, disease-free spot；
L grades, there is scab l-5 per leaf (or fruit)；
3 grades, there is scab 6-10 per leaf (or fruit)；
5 grades.There is scab 11-15 per leaf (or fruit)；
7 grades, there is scab 16-20 per leaf (or fruit)；
9 grades, there is scab 21 or more per leaf (or fruit).
2 Zhongshengmycin of table and berberine compounding are to irrigating mandarin orange canker field efficacy
As shown in Table 2, compared with exclusive use, Zhongshengmycin and berberine compounding use can be significantly improved and burst to fertile mandarin orange
The control effect of ulcer disease, has significant synergies, and can reduce the amount of application of active ingredient, slows down drug-fast generation.
Field observation, to crop safety.
Further narration has been done to the present invention above in conjunction with embodiment, but present invention is not limited to the embodiments described above,
In the knowledge that one skilled in the relevant art possesses, it can also be made on the premise of present inventive concept is not departed from
Various change.
Claims (7)
1. it is a kind of prevent citrus bacterial canker disease microbicide compositions, which is characterized in that active ingredient be Zhongshengmycin and berberine,
The weight ratio of Zhongshengmycin and berberine is 1:60-60:1.
2. the microbicide compositions of described prevention citrus bacterial canker disease are required according to right 1, which is characterized in that Zhongshengmycin and small
The weight ratio of tiller alkali is 1:40-60:1.
3. the microbicide compositions of described prevention citrus bacterial canker disease are required according to right 2, which is characterized in that Zhongshengmycin and small
The weight ratio of tiller alkali is 1:20-10:1.
4. the microbicide compositions of described prevention citrus bacterial canker disease are required according to right 3, which is characterized in that Zhongshengmycin and small
The weight ratio of tiller alkali is 1:1.
5. a kind of pesticidal preparations of the bactericidal composition including any one of claim 1-4, it is characterised in that：Described
The quality of active ingredient Zhongshengmycin and berberine accounts for the 5-95% of pesticidal preparations gross mass, remaining is auxiliary material.
6. pesticidal preparations according to claim 5, it is characterised in that：The active ingredient Zhongshengmycin and berberine
Quality accounts for the 30-70% of pesticidal preparations gross mass, remaining is auxiliary material.
7. pesticidal preparations according to claim 5, it is characterised in that：The dosage form of the pesticidal preparations is granule, water
Dispersible granule or wettable powder.
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| CN201711423260.XA CN108041058A (en) | 2017-12-25 | 2017-12-25 | A kind of microbicide compositions for preventing citrus bacterial canker disease |
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Citations (8)
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| CN102894002A (en) * | 2012-11-05 | 2013-01-30 | 山东省烟台市农业科学研究院 | Compound bactericide containing berberine and polyoxins and application thereof |
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| CN107258801A (en) * | 2017-07-24 | 2017-10-20 | 昆明百事德生物化学科技有限公司 | A kind of jamaicin wettable powder for preventing and treating bacterial diseases of plants |
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| CN107333783A (en) * | 2017-06-09 | 2017-11-10 | 广西南宁益土生物科技有限责任公司 | Application of the composition containing methyl jasmonate in citrus bacterial canker disease |
| CN107258801A (en) * | 2017-07-24 | 2017-10-20 | 昆明百事德生物化学科技有限公司 | A kind of jamaicin wettable powder for preventing and treating bacterial diseases of plants |
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Application publication date: 20180518 |