CN105284813A - Bactericide for prevention and treatment of citrus yellow shoot and application of bactericide - Google Patents
Bactericide for prevention and treatment of citrus yellow shoot and application of bactericide Download PDFInfo
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- CN105284813A CN105284813A CN201510868515.8A CN201510868515A CN105284813A CN 105284813 A CN105284813 A CN 105284813A CN 201510868515 A CN201510868515 A CN 201510868515A CN 105284813 A CN105284813 A CN 105284813A
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- bactericide
- pyrithione
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- huanglongbing pathogen
- citrus huanglongbing
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Abstract
The invention discloses a bactericide for prevention and treatment of citrus yellow shoot and application of the bactericide. An effective constituent is copper pyrithione, zinc pyrithione or sodium pyrithione. The bactericide is efficient, safe and environment-friendly, has a good prevention effect, is capable of improving crop yield, improving the fruit quality and lowering the cost, and is good for delaying germ drug resistance generation, has prevention and treatment effects on citrus yellow shoot and can solve the problem that no drug can prevent the citrus yellow shoot currently.
Description
Technical field
The present invention relates to a kind of bactericide preventing and treating Citrus Huanglongbing pathogen.
Background technology
Citrus Huanglongbing pathogen is the destructive disease on world's Orange Producing, is to be limited to the entozoic Gram-negative bacteria of phloem by one to cause, and can infect multiple rutaceaes such as comprising Citrus, Poncirus, Fortunella and kamuning.This disease is mainly distributed in nearly 50 countries and regions in Asia, Africa, Oceania, South America and North America, and China's 19 Orange Producings to be economized in (city, autonomous region) existing 11 and are subject to this evil of being critically ill, the sound development of serious restriction Citrus Industry.
In current production, the control of this disease mainly with quarantine, cultivate anosis nursery stock, control communication media diaphorina citri, excavate the measure such as diseased plant, isolation implant.Also do not have a kind of medicament effectively can control the generation of yellow twig.By test, the discovery that we are pleasantly surprised, copper pyrithione effectively can control the generation of yellow twig.
Copper pyrithione (be called for short CPT) is wide spectrum, low toxicity, the bacteriostatic agent of fungus and bacterium of environmental protection and mould inhibitor, be widely used in civilian coating, adhesive and carpet, also can be used for anti-fouling paint, prevent crust biology, marine alga and aquatic organism attachment planking.Due to hypotoxicity and the stability of CPT, can add in coating, make coating present the stability of gel, extend the period of storage of coating.And also do not appear in the newspapers at present for preventing and treating Citrus Huanglongbing pathogen.
Summary of the invention
The object of the present invention is to provide the bactericide and uses thereof of control Citrus Huanglongbing pathogen of a kind of efficient, safety, environmental protection.
Technical solution of the present invention is:
Prevent and treat a bactericide for Citrus Huanglongbing pathogen, it is characterized in that: active ingredient is copper pyrithione, Zinc Pyrithione or sodium pyrithione.
Active ingredient copper pyrithione, Zinc Pyrithione or sodium pyrithione in bactericide mass ratio be 10 ~ 80%.
The formulation of described bactericide is suspending agent, water dispersible granules, wetting powder, missible oil or granule.
The application of a kind of bactericide in the preparation of preparation control Citrus Huanglongbing pathogen.
Be applied to the crop bacterial disease that control Citrus Huanglongbing pathogen etc. is caused by Gram-negative bacteria.Described crop is mandarin orange, tangerine, orange, lemon, shaddock class.
Testing crew finds, use pyrithione copper agent, carry out filling root in autumn and winter to mandarin tree, spring and summer, mandarin tree was sprayed after taking out the tip, effectively can control the generation of citrus orchard yellow twig.
The present invention is the bactericide of efficient, safety, environmental protection, and the present invention has good preventive effect, can improve crop yield, improve the quality of fruit, reduce costs and be of value to and delay the drug-fast generation of germ.
To Citrus Huanglongbing pathogen, there is good control efficiency, the problem that current Citrus Huanglongbing pathogen can be prevented without medicine can be solved.
Below in conjunction with embodiment, the invention will be further described.
Embodiment
Embodiment 1:
By copper pyrithione 50g, phenethyl phenol polyoxyethylene ether phosphate 3g, alkylphenol polyoxyethylene 2g, antifreeze ethylene glycol, 0.2g, dispersant fatty alcohol polyoxyethyl ether 5g, antisettling agent xanthans 1g, silicone defoaming agent 0.1g, suitable quantity of water, mixing, through wet grinding, homogenizing, allotment, obtained suspending agent.
Embodiment 2:
By copper pyrithione 50g, sodium lignin sulfonate 8g, diffusant sodium methylene bis-naphthalene sulfonate 4g, White Carbon black adds to 100g, and mixture carries out air-flow crushing, obtained wetting powder.
Embodiment 3:
By copper pyrithione 30g, calcium dodecyl benzene sulfonate 7g, phenethyl phenol polyoxyethylene polyoxypropylene APEO 8g, cyclohexanone 8g, No. 100 solvent naphthas complement to 100g.Mixing, adds in the enamel modulation kettle with agitator and stirs, be warming up to 40 DEG C, is incubated half an hour, and feeding enamel leaves standstill pot and leaves standstill, obtained missible oil.
Embodiment 4
By copper pyrithione 60g, dispersant sodium lignin sulfonate 10g, naphthalene sulfonate 4g, wetting agent alkylnaphthalene sulfonate 2g, adhesive carboxymethyl cellulose 1g, starch 1.2g, bentonite 12g, kaolin adds to 100g, is fully pulverized and mixed by airslide disintegrating mill, makes particle mean size reach below 8um, then mix with suitable moisture, through kneading extruder press strip granulation, then through fluidized drying, water-dispersible granules can be obtained.
Biological examples:
Preventive and therapeutic effect of the present invention illustrates by following Examples, but the present invention is only limitted to this by no means.
1, to the effect of Citrus Huanglongbing pathogen
Because current laboratory still cannot obtain the pure culture of citrus huanglongbing pathogen bacterium, cannot toxicity mensuration be carried out, therefore directly carry out Field information test, to detect drug action.
Test is carried out at certain oranges and tangerines production and marketing Specialty Co-operative Organization Guo Chang, kind: granulated sugar tangerine, the age of tree: 5 years.
Test method: one mu of orchard (60 strain) is chosen in the region higher in yellow twig outburst risk, and test medicine establishes 1000 times, 800 times, 500 times 3 concentration, and establishes 1 blank, totally 4 process.Often process 5 mandarin trees, repeat for 3 times.Germ survives the winter and according to dosage carries out root irrigation 1 time period in the winter time, in spring and summer autumn growth onset period, according to dosage respectively carries out spraying 1 time to mandarin tree respectively, has carried out Disease investigation respectively in October 2 and November 5, calculates control efficiency.
Disease refers to stage division: 0 grade: healthy, and complete stool blade is dark green; 1 grade: slightly fall ill, 1-2 branch blade manifests illness; 2 grades: moderate is fallen ill, the mottled yellow of 1/3 branch blade; 3 grades: severe is fallen ill.(with reference to " Zhejiang Agriculture science " Citrus Huanglongbing pathogen severity Scaling Discussion on Standard).
Result of the test is as follows:
Result of the test shows: copper pyrithione effectively can control the generation of citrus orchard yellow twig.
Claims (4)
1. prevent and treat a bactericide for Citrus Huanglongbing pathogen, it is characterized in that: active ingredient is copper pyrithione, Zinc Pyrithione or sodium pyrithione.
2. the bactericide of control Citrus Huanglongbing pathogen according to claim 1, is characterized in that: active ingredient copper pyrithione, Zinc Pyrithione or sodium pyrithione in bactericide mass ratio be 10 ~ 80%.
3. the bactericide of control Citrus Huanglongbing pathogen according to claim 1 and 2, is characterized in that: the formulation of described bactericide is suspending agent, water dispersible granules, wetting powder, missible oil or granule.
4. the application of bactericide according to claim 1 in the preparation of preparation control Citrus Huanglongbing pathogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868515.8A CN105284813B (en) | 2015-12-02 | 2015-12-02 | Bactericide for prevention and treatment of citrus yellow shoot and application of bactericide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510868515.8A CN105284813B (en) | 2015-12-02 | 2015-12-02 | Bactericide for prevention and treatment of citrus yellow shoot and application of bactericide |
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| Publication Number | Publication Date |
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| CN105284813A true CN105284813A (en) | 2016-02-03 |
| CN105284813B CN105284813B (en) | 2017-04-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105801246A (en) * | 2016-03-03 | 2016-07-27 | 广东省农业科学院植物保护研究所 | Bactericide compound for preventing and treating candidatus liberibacter and preparation method thereof |
| CN106630088A (en) * | 2016-09-21 | 2017-05-10 | 厦门巴威高新技术研究所有限公司 | Preparation for preventing and treating citrus yellow shoot and preparation method of preparation |
| CN107494109A (en) * | 2017-07-31 | 2017-12-22 | 钟山县昱成水果种植专业合作社 | A kind of method for preventing and treating tribute mandarin orange tree yellow twig |
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| CN101044853A (en) * | 2005-03-30 | 2007-10-03 | 栗田工业株式会社 | Industrial antibiotic composition and antibacterial method |
| CN104529644A (en) * | 2014-12-31 | 2015-04-22 | 广东福利龙复合肥有限公司 | Water soluble fertilizer with function of preventing and treating citrus dieback and preparing method thereof |
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2015
- 2015-12-02 CN CN201510868515.8A patent/CN105284813B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044853A (en) * | 2005-03-30 | 2007-10-03 | 栗田工业株式会社 | Industrial antibiotic composition and antibacterial method |
| CN104529644A (en) * | 2014-12-31 | 2015-04-22 | 广东福利龙复合肥有限公司 | Water soluble fertilizer with function of preventing and treating citrus dieback and preparing method thereof |
Non-Patent Citations (4)
| Title |
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| F. BEHLAU等: "Copper sprays and windbreaks for control of citrus canker on young orange trees in southern Brazil", 《CROP PROTECTION》 * |
| 汪智渊，杨红福: "吡啶硫酮锌(ZPT)对油菜菌核病菌的毒力及田间防效", 《上海农业学报》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105801246A (en) * | 2016-03-03 | 2016-07-27 | 广东省农业科学院植物保护研究所 | Bactericide compound for preventing and treating candidatus liberibacter and preparation method thereof |
| CN106630088A (en) * | 2016-09-21 | 2017-05-10 | 厦门巴威高新技术研究所有限公司 | Preparation for preventing and treating citrus yellow shoot and preparation method of preparation |
| CN107494109A (en) * | 2017-07-31 | 2017-12-22 | 钟山县昱成水果种植专业合作社 | A kind of method for preventing and treating tribute mandarin orange tree yellow twig |
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| Publication number | Publication date |
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| CN105284813B (en) | 2017-04-26 |
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