CN109566620A - A kind of bactericidal composition and its application and fungicide - Google Patents

A kind of bactericidal composition and its application and fungicide Download PDF

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Publication number
CN109566620A
CN109566620A CN201811641119.1A CN201811641119A CN109566620A CN 109566620 A CN109566620 A CN 109566620A CN 201811641119 A CN201811641119 A CN 201811641119A CN 109566620 A CN109566620 A CN 109566620A
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China
Prior art keywords
fungicide
bactericidal composition
copper complex
oligosaccharides
leaf spot
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CN201811641119.1A
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Chinese (zh)
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CN109566620B (en
Inventor
王少龙
周道龙
李廷碧
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Hainan Zhengye Biotechnology Co ltd
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Hainan Zhengye Zhongnong Hi Tech Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N41/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/04Sulfonic acids; Derivatives thereof
    • A01N41/08Sulfonic acid halides; alpha-Hydroxy-sulfonic acids; Amino-sulfonic acids; Thiosulfonic acids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16Heavy metals; Compounds thereof
    • A01N59/20Copper

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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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention belongs to pesticide field more particularly to a kind of bactericidal composition and its application and fungicide.Bactericidal composite provided by the invention includes oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate.The present invention regard oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate compounding as bactericidal composition, has fabulous control efficiency to bacterial angular leaf spot, especially mango bacterial angular leaf spot.The fungistatic effect test of mango bacterial angular leaf spot bacterium is carried out to bactericidal composition provided by the invention, as the result is shown: median effective concentration (EC50) minimum up to 1.38, coefficient of synergism (SR) reaches as high as 2.48.

Description

A kind of bactericidal composition and its application and fungicide
Technical field
The invention belongs to pesticide field more particularly to a kind of bactericidal composition and its application and fungicide.
Background technique
Bacterial angular leaf spot, also known as bacterial black rot or burst swing disease, the tip of mainly causing harm, leaf and fruit.Do not turn green shoot Blade of catching an illness shows pinhead-sized pore, after be extended to the small blackspot of protrusion, surrounding has yellow dizzy, and scab is in polygonal, later period Scab is fused into irregular big blackspot, the raw lobe streak of leaf middle arteries petiole.Raw syringe needle shape black dot on pericarp at the beginning of fruit is caught an illness, After be extended to crateriform dark brown ulceration, easily induction anthrax-bacilus, the base of a fruit corruption bacterium intrusion.
The regions following the line of the sea such as China Guangdong, Guangxi, Hainan, Fujian mango fruiting later period to autumn growth growth period meets Heavy Rain of Typhoon It frequently attacks, causes a large amount of machinery wounds, bacterial angular leaf spot pathogenetic bacteria, which often seizes the opportunity to worm one's way into, to cause to fall ill, and it is improper such as to prevent and treat, just Serious economic loss can be caused to orchard worker.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of bactericidal composition and its application and fungicide, the present invention is mentioned The bactericidal composition of confession has preferable control efficiency for bacterial angular leaf spot.
The present invention provides a kind of bactericidal compositions, including oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate.
Preferably, the oligosaccharides-copper complex is chitosan oligosaccharide-copper complex.
Preferably, the mass ratio of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate is (0.1~10): 1.
Preferably, the mass ratio of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate is (0.5~7): 1.
Preferably, the mass ratio of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate is 0.6:1.
The present invention provides application of the bactericidal composition described in above-mentioned technical proposal in prevention and treatment bacterial angular leaf spot.
Preferably, the bacterial angular leaf spot is mango bacterial angular leaf spot.
The present invention provides a kind of fungicide, the active constituent of the fungicide is that Claims 1 to 5 is described in any item Bactericidal composition.
Preferably, mass content of the active constituent in fungicide is 1~20ppm.
Preferably, the dosage form of the fungicide is suspending agent, aqueous emulsion or water dispersible granules.
Compared with prior art, the present invention provides a kind of bactericidal composition and its application and fungicide.The present invention provides Bactericidal composite include oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate.The present invention is by oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate compounding as sterilization Composition has fabulous control efficiency to bacterial angular leaf spot, especially mango bacterial angular leaf spot.To provided by the invention Bactericidal composition carries out the fungistatic effect test of mango bacterial angular leaf spot bacterium, as the result is shown: median effective concentration (EC50) it is minimum can Up to 1.38, coefficient of synergism (SR) reaches as high as 2.48.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the digital photograph figure of bacterial clump growing state provided in an embodiment of the present invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
The present invention provides a kind of bactericidal compositions, including oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate.Wherein, the oligosaccharides-copper Complex compound is preferably chitosan oligosaccharide-copper complex;The mass ratio of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate is preferably (0.1~10): 1, more preferably (0.5~7): 1, concretely 0.5:1,0.6:1,0.8:1,1:1,1.2:1,1.5:1,1.7:1,2:1,2.3: 1、2.5:1、2.8:1、3:1、3.2:1、3.5:1、3.7:1、4:1、4.2:1、4.5:1、4.7:1、5:1、5.2:1、5.5:1、 5.7:1、6:1、6.2:1、6.5:1、6.7:1、7:1。
The source of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate is not particularly limited in the present invention, can use commercial goods Or it is prepared according to method well known to those skilled in the art.
The preparation method of the bactericidal composition is also not particularly limited in the present invention, directly mixes each raw material in proportion Uniformly.
The present invention regard oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate compounding as bactericidal composition, to bacterial angular leaf spot, especially Mango bacterial angular leaf spot has fabulous control efficiency.The bacillary angle spot of mango is carried out to bactericidal composition provided by the invention The fungistatic effect of germ is tested, as the result is shown: median effective concentration (EC50) minimum up to 1.38, coefficient of synergism (SR) reaches as high as 2.48。
The present invention also provides a kind of the answering in prevention and treatment bacterial angular leaf spot of bactericidal composition described in above-mentioned technical proposal With the especially application in biocontrol of mango bacterial angular leaf spot.Application provided by the invention is anti-using the bactericidal composition Bacterial angular leaf spot is controlled, there is preferable control efficiency.
The present invention also provides a kind of fungicide, the active constituent of the fungicide is sterilization described in above-mentioned technical proposal Composition.Wherein, mass content of the active constituent in fungicide is preferably 1~20ppm, concretely 1ppm, 1.25ppm、1.5ppm、2ppm、2.25ppm、2.5ppm、3ppm、4ppm、5ppm、6ppm、7ppm、8ppm、9ppm、10ppm、 12ppm, 15ppm, 18ppm or 20ppm;The dosage form of the fungicide includes but is not limited to suspending agent, aqueous emulsion or water-dispersible grain Agent.In the present invention, other auxiliary agents or auxiliary material contained in the fungicide are not particularly limited, those skilled in the art's root It is reasonably selected according to actual conditions.
Fungicide provided by the invention is using the bactericidal composition as active constituent, special therefore to bacterial angular leaf spot It is not that mango bacterial angular leaf spot has fabulous control efficiency.
For the sake of becoming apparent from, it is described in detail below by following embodiment.
Embodiment
1. test strain
Mango bacterial angular leaf spot bacterium (commercially available);
2. test medicine
20wt% chitosan oligosaccharide-copper complex raw medicine, 5wt% S-Ethyl ethylthio sulfonate raw medicine;
3. measuring fungistatic effect
3.1 plan design
Using the fungistatic effect of plate dilution assay method sample;Altogether be arranged 5 different proportions chitosan oligosaccharide-copper complex with S-Ethyl ethylthio sulfonate compounds sample, and each sample is arranged the mass concentration gradient of 5 active constituents, respectively 20ppm, 10ppm, 5ppm, In addition 2.5ppm, 1.25ppm are arranged single dose chitosan oligosaccharide-copper complex, single dose S-Ethyl ethylthio sulfonate, control sample clear water, amount to 36 tests Sample, each test sample replication 3 times, the details of test sample (chitosan oligosaccharide-copper complex in table 1 as shown in table 1 Ratio with S-Ethyl ethylthio sulfonate is pure medicine ratio):
1 test sample information of table
3.2. the preparation of each test sample
Take test sample to be dissolved in aqua sterilisa in super-clean bench, be configured to concentration be 1wt% female medical fluid, constant volume 10mL, It shakes up spare.
3.3. the preparation of drug containing tablet
The NA culture medium just to have sterilized (50mL/ bottles) is cooled to 45 DEG C or so, mother's 0.5mL medical fluid is drawn with liquid-transfering gun, adds Enter into culture medium, after mixing inverted plate, is configured to the medicament of 20ppm, 10ppm, 5ppm, 2.5ppm, 1.25ppm concentration Plate, every bottle of culture medium fall 3 wares.
3.4. bacterium is connect
The preparation of bacterium solution: by sterile working, the big thallus of the grain of rice is chosen in the bacterium of new culture scribing line and is dissolved in 1mL aqua sterilisa In, it shakes up, dilution 3 × 106Times, for use, goes that the bacterium solution 30uL diluted is taken to be added in pastille culture medium to be coagulated, shake up, most It is placed on the bacterial clump growing state cultivated in incubator and investigate plate afterwards for 24 hours.As a result as shown in Figure 1, Fig. 1 is of the invention real The digital photograph figure of the bacterial clump growing state of example offer is provided.
3.5. DATA REASONING
After cultivating 48h.It is classified using ocular estimate by the growing state of bacterium on plate:
: without growth;
+: the growth of bacterium accounts for 1~10% on plate;
++: the growth of bacterium accounts for 11~25% on plate;
+++: the growth of bacterium accounts for 26~50% on plate;
The growth of bacterium accounts for 51% or more on ++++: plate.
3.6. test result analysis (being shown in Table 2~4)
Table 2 is using ocular estimate by the growing state statistical result of bacterium on plate
Table 3 is using ocular estimate by the statistical result of bacteria colony count (unit: a) on plate
4 regression equation of table, EC50With SR result
Regression equation r EC50 x1 x2 SR (synergy)
A Y=4.1292+0.8086x 0.8738 11.94 3.47 11.93 0.29
B Y=4.8603+0.3814x 0.9960 2.32 3.43 2.3243 1.48
C Y=4.4142+1.2546x 0.9942 2.93 3.36 2.9303 1.15
D Y=4.6349+0.4346x 1 6.92 3.3 6.9196 0.48
E Y=4.6274+2.6436x 0.9468 1.38 3.22 1.3 2.48
F Y=4.5380+0.8446x 0.7543 3.52
G Y=4.4979+1.1251x 1.0000 2.79
By table 2 and table 3 it can be seen that high concentration 20ppm is grown almost without bacterium colony, and A and its F have a small amount of bacterium colony raw It is long, it can be seen that E and D is stronger to the inhibition virulence of mango bacterial angular leaf spot bacterium, in relatively high concentration in compounded combination Almost without bacterial growth, E is preferable to the inhibition of the bacterium for the sterile length of being born of 20ppm, 10ppm, 5ppm, especially compounded combination D, E, Preferable than single dose S-Ethyl ethylthio sulfonate, from the point of view of compounded combination, S-Ethyl ethylthio sulfonate content is higher, inhibits virulence stronger, from range estimation bacterium colony growth Situation is it is not difficult to find that D, E inhibit virulence stronger, and clump count is less, and especially the clump count of compounding E significantly lacks and compares single dose S-Ethyl ethylthio sulfonate.
It can be seen from Table 4 that: the toxicity for compounding E is very strong, and there are SP > 1.5 to have synergistic effect, other compoundings are without synergy Effect.Inhibition virulence sequence between each sample is successively are as follows: E > B > G > C > F > D > A.This test discovery E is optimal compounded combination That is: chitosan oligosaccharide-copper complex: S-Ethyl ethylthio sulfonate=3:5 (mass ratio), EC50It is 1.38, effect is stronger than single dose S-Ethyl ethylthio sulfonate.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of bactericidal composition, including oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate.
2. bactericidal composition according to claim 1, which is characterized in that the oligosaccharides-copper complex is chitosan oligosaccharide-copper network Close object.
3. bactericidal composition according to claim 1, which is characterized in that the matter of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate Amount is than being (0.1~10): 1.
4. bactericidal composition according to claim 3, which is characterized in that the matter of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate Amount is than being (0.5~7): 1.
5. bactericidal composition according to claim 4, which is characterized in that the matter of the oligosaccharides-copper complex and S-Ethyl ethylthio sulfonate Amount is than being 0.6:1.
6. application of the described in any item bactericidal compositions of Claims 1 to 5 in prevention and treatment bacterial angular leaf spot.
7. application according to claim 6, which is characterized in that the bacterial angular leaf spot is mango bacterial angular leaf spot.
8. a kind of fungicide, which is characterized in that the active constituent of the fungicide, which is that Claims 1 to 5 is described in any item, to kill Bacteria composition.
9. fungicide according to claim 8, which is characterized in that mass content of the active constituent in fungicide be 1~20ppm.
10. fungicide according to claim 8, which is characterized in that the dosage form of the fungicide be suspending agent, aqueous emulsion or Water dispersible granules.
CN201811641119.1A 2018-12-29 2018-12-29 Bactericidal composition, application thereof and bactericide Active CN109566620B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111084188A (en) * 2019-12-30 2020-05-01 海南正业中农高科股份有限公司 Composition containing amino oligosaccharide, hymexazol and ethylicin and application thereof
CN112655711A (en) * 2020-12-30 2021-04-16 江苏生久农化有限公司 Mixed pesticide for preventing and controlling sanitary pests such as mosquitoes, flies and the like and use method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816305A (en) * 2010-05-09 2010-09-01 海南正业中农高科股份有限公司 Bactericide pesticide composite containing oligochitosan
EP2692232A1 (en) * 2011-03-28 2014-02-05 Bodegas Vega Sicilia, S.A. Use of natural antifungal agents in order to prevent the infection of pruning wounds, grafts and lesions in woody plants by phytopathogenic fungi
CN103947671A (en) * 2014-04-28 2014-07-30 牛赡光 Chitosan oligosaccharide copper complex fungicide and application of chitosan oligosaccharide copper complex fungicide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816305A (en) * 2010-05-09 2010-09-01 海南正业中农高科股份有限公司 Bactericide pesticide composite containing oligochitosan
EP2692232A1 (en) * 2011-03-28 2014-02-05 Bodegas Vega Sicilia, S.A. Use of natural antifungal agents in order to prevent the infection of pruning wounds, grafts and lesions in woody plants by phytopathogenic fungi
CN103947671A (en) * 2014-04-28 2014-07-30 牛赡光 Chitosan oligosaccharide copper complex fungicide and application of chitosan oligosaccharide copper complex fungicide

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农业部农药检定所: "寡糖乙蒜素", 《农药登记公告》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111084188A (en) * 2019-12-30 2020-05-01 海南正业中农高科股份有限公司 Composition containing amino oligosaccharide, hymexazol and ethylicin and application thereof
CN112655711A (en) * 2020-12-30 2021-04-16 江苏生久农化有限公司 Mixed pesticide for preventing and controlling sanitary pests such as mosquitoes, flies and the like and use method thereof

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