CN106359406A - Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition - Google Patents
Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition Download PDFInfo
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- CN106359406A CN106359406A CN201611056340.1A CN201611056340A CN106359406A CN 106359406 A CN106359406 A CN 106359406A CN 201611056340 A CN201611056340 A CN 201611056340A CN 106359406 A CN106359406 A CN 106359406A
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- Prior art keywords
- fluopicolide
- fungicidal composition
- dichloro
- oxadiazole
- dichlorophenyl
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of the fungicidal composition. The active ingredients comprise 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide, the compound weight ratio of 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole to fluopicolide is 1:30-30:1, and preferred weight ratio is 1:20-10:1. The fungicidal composition can be prepared into emulsifiable concentrate, wettable powder, oil-dispersible suspending agent, suspending agent, water dispersible granule, aqueous emulsion, microemulsion and granules. The fungicidal composition is reasonable in composition and good in fungicidal effect, and can achieve an obvious synergistic effect within the proportion range. The fungicidal composition has remarkable control effects on potato late blight and other various crop diseases.
Description
Technical field
The invention belongs to technical field of pesticide and in particular to be a kind of azoles of bacterium containing dichloro and fluopicolide sterilization group
Compound and its application in crop pest.
Background technology
The late blight of potato (potato late blight) is caused by phytophthora infestans, leads to potato haulm dead and block
A kind of rotten destructiveness oomycetes disease of stem rot.Blade is caught an illness and is first given birth to the green brown spot of water soaking mode in blade tip or leaf margin, around scab
Tool light green color haloing, during high humidity, scab expands rapidly, brown, and produces a circle white mould, i.e. sporangiophore and Sporangium, especially with
Blade back is the most obvious；When being dried, scab browning dries up, and matter is crisp easily to be split, and loses white mould, and expansion rate slows down.Stem or petiole dye
The existing brown streak of disease.The serious blade of falling ill wither vertical, crispatura, cause the black corruption of Herb eventually, full field is a piece of dried-up, gives out corrupt gas
Taste.Tuber is caught an illness nascent brown or puce bulk scab, slightly concave fall into, the subcutaneous potato meat in sick portion is also brown, slowly expands to surrounding
Big or rot.The late blight of potato, in the big generation in Ireland, leads to Rhizoma Solani tuber osi in poor harvest, the big famine causing leads to nearly hundred within 1847
Ten thousand people are dead, and more than 200 ten thousand people lead a wretched life far from home.
Dichloro bacterium azoles is a kind of azoles sulfone series bactericidal agent, and chemical name is: 2- methyl sulfuryl -5-(2,4- dichloro-benzenes
Base) -1,3,4- diazole, molecular formula is c9h6o3n2c12S, dichloro bacterium azoles is to by the microbial disease of Oomycete cause of disease such as evening
Epidemic disease, downy mildew etc. have good prevention effect.
Fluopicolide, English name is fluopicolide, and chemical name is the chloro- n- of 2,6- bis- [(3- chloro- 5- fluoroform
Base -2- pyridine radicals) methyl] Benzoylamide, it has excellent system conductive and stronger thin layer penetration power, each to pathogen
Main Morphology all has good inhibiting effect, can provide and protect comprehensively and persistently for young leaves, stem, tuber, young fruit.Due to medicine
Agent quickly can absorb through blade face, so resistance of rainwater washing against, provides reliable guarantee for rainy season vegetable diseases prevention.
In the real process of agricultural production, preventing and treating corps diseases common issue is that the drug-fast product of plant disease
Raw.And different pesticide activity components are carried out mixture, it is to prevent and treat the modal method of resistance disease.Different pesticide activity components enter
Row is compounding, from the point of view of practical application effect, has potentiation, addition and three kinds of effects of antagonism.Whether agriculture chemical compounding has potentiation is made
With having very strong not predictability, and the mechanism of action of pesticide synergistic is current and indefinite, and really has potentiation, especially
It is obvious the compounding seldom of potentiation.Present inventor finds through substantial amounts of experimental study, by dichloro
After bacterium azoles and fluopicolide compound, in certain scope, there is good potentiation, and not yet find dichloro at present
The relevant report that bacterium azoles and fluopicolide compound.
Content of the invention
Present invention aims to the deficiencies in the prior art, provide that a kind of cost accounting is low, prevention effect is good, have
The bactericidal composition of synergistic function.
Another object of the present invention is to providing described bactericidal composition to be used for preventing and treating the application of corps diseases, described
Crop includes cereal crops, root crop, melon or fruit type crops, fruits crop, greengrocery crop.Described disease includes late
Epidemic disease, early blight, downy mildew, gray mold, powdery mildew, banded sclerotial blight, scab etc..
For reaching above-mentioned purpose, the present invention adopt the following technical scheme that a kind of bactericidal composition it is characterised in that its by
Active component and conventional auxiliary agent composition, described active component comprises dichloro bacterium azoles and fluopicolide, wherein, dichloro bacterium
The weight of azoles and fluopicolide is than for 1:30-30:1, preferably 1:20-10:1.
In the compositionss of the present invention, the content of active component depends on amount of application when being used alone, and also depends on one kindization
The mixed ratio of compound and another kind of compound and potentiation degree, simultaneously also relevant with target disease.Generally compositionss
The weight percentage of middle active component is 1-90%, the preferably 10-80% of gross weight, and described content also depends on concrete pesticide
The species of preparation.
Further, the bactericidal composition of the present invention is processed into by being aided with conventional auxiliary element in Pesticide formulation
Any one dosage form can be for example cream, wettable powder, dispersible oil-suspending agent, suspending agent, water dispersible granules, water and milk
Agent, microemulsion, granule etc..
The compositionss of the present invention can with finished product preparation form offer be in compositionss each material blended it is also possible to
Unit dose form provides, and is directly mixed in proportion in bucket or tank using front, the concentration required for being then diluted to.
Further, the compositionss of the present invention can also add other agricultural active compositions, for example antibacterial, insecticide,
The agricultural active composition such as herbicide, fertilizer.
Compared with prior art, the bactericidal composition having the beneficial effect that the 1, present invention of the composition pesticide of the present invention is lived
The property composition mechanism of action is different, can overcome or delay the drug-fast generation of pathogen；2nd, the Bactericidal composite of the application
Thing can reach obvious potentiation each other, advantageously reduces Pesticide use amount and use cost；3rd, the killing of the present invention
Bacteria composition preparation process is simple, to Crop securify.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, and the percentage ratio in embodiment is all weight percentage,
But the present invention is limited to absolutely not these examples.Described below is only the preferable embodiment of the present invention, is used only for explaining the present invention, but
Can not be therefore understands that being the restriction to the scope of the claims of the present invention.It should be pointed out that all within the spirit and principles in the present invention
Any modification, equivalent or improvement of being made etc., should be included within the scope of the present invention, and therefore, the present invention is special
The protection domain of profit should be defined by claims.
First, example of formulations
1st, embodiment 1:40% dichloro bacterium azoles fluopicolide wettable powder (1:1)
Dichloro bacterium azoles 20%
Fluopicolide 20%
Alkylphenol polyoxyethylene 5%
Dodecylbenzene sodium sulfonate 6%
Attapulgite surplus
The preparation method of described wettable powder is: by described formula, dichloro bacterium azoles and fluopicolide added in carrier, and
Add wetting agent and dispersant, mixing, add appropriate water after comminution by gas stream, be obtained after kneading, pelletize, drying, screening
Wettable powder of the present invention.
2nd, embodiment 2:28% dichloro bacterium azoles fluopicolide water dispersible granules (3:4)
Dichloro bacterium azoles 12%
Fluopicolide 16%
Aliphatic amine polyoxyethylene ether 4%
Pull open powder bx 4%
Hydroxymethyl cellulose 2%
Ammonium sulfate 2%
Kieselguhr surplus
The preparation method of described water dispersible granules is: by described formula, dichloro bacterium azoles and fluopicolide added in carrier, and
Add wetting agent, dispersant and disintegrating agent, mixing, add appropriate water after comminution by gas stream, through kneading, pelletize, drying, screening
Of the present invention water dispersible granules are obtained afterwards.
3rd, embodiment 3:33% dichloro bacterium azoles fluopicolide suspending agent (10:1)
Dichloro bacterium azoles 30%
Fluopicolide 3%
Alkylphenol polyoxyethylene sulfate 6%
Dispersant mf-5 3%
Xanthan gum 2%
Organic silicone 1.6%
Ethylene glycol 1.1%
Sodium benzoate 0.6%
Deionized water surplus
The preparation method of described suspending agent is: by dispersant, wetting agent, thickening agent, preservative, defoamer, antifreeze through too high
Mix homogeneously after speed shearing, adds dichloro bacterium azoles and fluopicolide, and deionized water supplies surplus, ball milling 2- in ball mill
3 hours, make diameter of particle all below 5 microns, of the present invention suspending agent is obtained.
4th, embodiment 4:12% dichloro bacterium azoles fluopicolide aqueous emulsion (1:5)
Dichloro bacterium azoles 2%
Fluopicolide 10%
N- methyl pyrrolidone 8%
Styryl phenol polyethenoxy ether 3%
1- tetradecanol 2%
Glycerol 2%
Organic silicone 1.6%
Deionized water surplus
The preparation method of described aqueous emulsion is: is added in pesticide activity component, solvent, emulsifying agent, co-emulsifier by above-mentioned formula
Together so as to be dissolved as homogeneous oil phase；Deionized water, antifreeze, defoamer are mixed, is stirred into homogeneous water
Phase.Under the conditions of high-speed stirred, aqueous phase is added oil phase, of the present invention aqueous emulsion is obtained.
5th, embodiment 5:10% dichloro bacterium azoles fluopicolide microemulsion (1:9)
Dichloro bacterium azoles 1%
Fluopicolide 9%
N- methyl pyrrolidone 9%
Castor oil polyoxyethylene ether 5%
Isopropanol 3%
Propylene glycol 2%
Deionized water surplus
The preparation method of described microemulsion is: by described formula, pesticide activity component is dissolved in equipped with the homogenizer of solvent,
Emulsifying agent, co-emulsifier, antifreeze are added in the homogenizer equipped with above-mentioned solution, deionized water is gone forward side by side after supplying surplus
One step mix homogeneously simultaneously homogenizes, and of the present invention microemulsion is obtained.
2nd, Toxicity Determination
Test target: late blight of potato pathogenic bacterium phytophthora infestans
Test method: by dichloro bacterium azoles and fluopicolide active compound respectively with after a small amount of acetone solution, with containing 0.1% tween 80
Deionized water dilution be configured to the mother solution of 1000 ug/ml, stand-by in 4 DEG C of preservations.
Test adopts mycelial growth rate method with reference to " farm-chemical indoor determination test rule ny/t1156.2-2006 ".
On ultra-clean operating board, the medicinal liquid preparing is mixed homogeneously with the volume ratio of 1:9 with the rye agar culture medium of thawing,
Enter in the glass culture dish of preparation 9 cm, every ware 10 ml, makes pastille culture medium, with the sterilized water containing 0.1% Tween 80 is
Comparison, every concentration sets 3 repetitions.Beat the bacterium that cut-off meets 5 mm from the growth examination phytophthora infestans strain colony edge that supplies of 10 days
Handle, face down is connected on the pastille culture medium flat board preparing, and cultivates about 12 days under the dark condition being placed in 18 DEG C.When right
According to colony diameter be approximately culture dish diameter 2/3 when, using crossing method measure colony diameter, calculate suppression ratio.United with dps
Meter analysis software carries out statistical analysiss, calculates the ec of each medicament50, and the co-toxicity coefficient ctc of mixture is calculated according to the abundant method of Sun Yun.Examination
Test result as indicated with 1:
As shown in Table 1, dichloro bacterium azoles and fluopicolide compound the scope preventing and treating the proportioning of the late blight of potato in 1:30-30:1
Interior, co-toxicity coefficient ctc value is all higher than 120, shows that both compound mixture in the range of 1:30-30:1 and show potentiation.
Wherein, when both compound in the range of 1:20-10:1, both compounding co-toxicity coefficients all more than 160, synergistic function
Become apparent from, especially when both compound proportions are 3:4, synergistic function is the most obvious.
3rd, field control effectiveness test
In order to preferably verify the field practical application effect of the bactericidal composition of the present invention, the combination of the application embodiment of the present invention
Thing carries out preventing and treating late blight of potato field control effectiveness test, investigates the late blight of potato state of an illness, in the state of an illness initial stage first before dispenser
Secondary dispenser, 3 days after medicine, investigates disease index and calculates preventive effect for 7 days, 14 days respectively.
Chemicals treatment is as follows: (1) 40% dichloro bacterium azoles fluopicolide wettable powder (1:1);(2) 28% dichloros
Bacterium azoles fluopicolide water dispersible granules (3:4);(3) 33% dichloros bacterium azoles fluopicolide suspending agent (10:1);(4) 12%
Dichloro bacterium azoles fluopicolide aqueous emulsion (1:5);(5) 10% dichloros bacterium azoles fluopicolide microemulsion (1:9);(6) right
Ratio 1:20% dichloro bacterium azole suspending agent；(7) comparative example 2:20% fluopicolide suspending agent.
Result of the test is as shown in table 2:
Field control effectiveness test result shows, above 5 embodiments all have preferable prevention effect to the late blight of potato, press respectively
According to 120 g a.i./hm2Spraying, to the preventive effects of 14 days after late blight of potato medicine hence it is evident that being better than comparison medicament all more than 89%
Dichloro bacterium azole suspending agent and the preventive effect of 20% fluopicolide suspending agent.In addition, in scope of medication, not finding Rhizoma Solani tuber osi is made
Thing and beneficial natural enemy produce harmful effect, show that the bactericidal composition safety of the present invention is also preferable, are worth promoting on producing
Application.
Claims (7)
1. a kind of composition pesticide is it is characterised in that active component comprises dichloro bacterium azoles and fluopicolide.
2. composition pesticide according to claim 1 is it is characterised in that the weight of described dichloro bacterium azoles and fluopicolide
Than for 1:30-30:1.
3. composition pesticide according to claim 2 is it is characterised in that the weight of described dichloro bacterium azoles and fluopicolide
Than preferably 1:10-10:1.
4. the composition pesticide according to any one of claim 1-3 claim is it is characterised in that described pesticide combination
In thing, active component accounts for 1-90%, preferably 10-80%.
5. the composition pesticide according to any one of claim 1-3 claim is it is characterised in that described pesticide combination
The dosage form of thing be is cream, wettable powder, dispersible oil-suspending agent, suspending agent, water dispersible granules, aqueous emulsion, microemulsion,
In granule any one.
6. the composition pesticide according to any one of claim 1-3 claim is used for preventing and treating the use of corps diseases
On the way.
7. purposes according to claim 6 is it is characterised in that described corps diseases are late blight, early blight, downy mildew
In disease, gray mold, powdery mildew, banded sclerotial blight, scab any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056340.1A CN106359406A (en) | 2016-11-26 | 2016-11-26 | Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056340.1A CN106359406A (en) | 2016-11-26 | 2016-11-26 | Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition |
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| Publication Number | Publication Date |
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| CN106359406A true CN106359406A (en) | 2017-02-01 |
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| CN201611056340.1A Pending CN106359406A (en) | 2016-11-26 | 2016-11-26 | Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853304A (en) * | 2017-12-22 | 2018-03-30 | 佛山市普尔玛农化有限公司 | A kind of composition pesticide of the Evil bacterium azoles of Lv containing Er and eugenol |
| CN108323521A (en) * | 2018-04-03 | 2018-07-27 | 张月婵 | A kind of bactericidal composition containing Er Lv Evil bacterium azoles and triforine |
| CN109566634A (en) * | 2017-09-28 | 2019-04-05 | 佛山市盈辉作物科学有限公司 | The synergistic composition of bacterium azoles is disliked containing fluorine ether bacterium amide and dichloro |
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| CN101812034A (en) * | 2010-05-11 | 2010-08-25 | 贵州大学 | 2-substituent-5-(2,4-dichlorophenyl)-1,3,4-oxadiazole derivative, synthetic method and application thereof |
| CN102499247A (en) * | 2011-10-17 | 2012-06-20 | 贵州大学 | Oxadiazole sulfone compound for controlling bacterial crop diseases |
| CN104488897A (en) * | 2014-12-18 | 2015-04-08 | 广西田园生化股份有限公司 | Compound composition containing methanesulphonyl myclobutanil and carbamic acid ester bactericide and preparation |
| CN104521989A (en) * | 2014-12-18 | 2015-04-22 | 广西田园生化股份有限公司 | Compound composition containing 2-(p-fluorophenyl)-5-methanesulfonyl-1,3,4-oxadiazole and amide bactericides and preparation |
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2016
- 2016-11-26 CN CN201611056340.1A patent/CN106359406A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812034A (en) * | 2010-05-11 | 2010-08-25 | 贵州大学 | 2-substituent-5-(2,4-dichlorophenyl)-1,3,4-oxadiazole derivative, synthetic method and application thereof |
| CN102499247A (en) * | 2011-10-17 | 2012-06-20 | 贵州大学 | Oxadiazole sulfone compound for controlling bacterial crop diseases |
| CN104488897A (en) * | 2014-12-18 | 2015-04-08 | 广西田园生化股份有限公司 | Compound composition containing methanesulphonyl myclobutanil and carbamic acid ester bactericide and preparation |
| CN104521989A (en) * | 2014-12-18 | 2015-04-22 | 广西田园生化股份有限公司 | Compound composition containing 2-(p-fluorophenyl)-5-methanesulfonyl-1,3,4-oxadiazole and amide bactericides and preparation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109566634A (en) * | 2017-09-28 | 2019-04-05 | 佛山市盈辉作物科学有限公司 | The synergistic composition of bacterium azoles is disliked containing fluorine ether bacterium amide and dichloro |
| CN107853304A (en) * | 2017-12-22 | 2018-03-30 | 佛山市普尔玛农化有限公司 | A kind of composition pesticide of the Evil bacterium azoles of Lv containing Er and eugenol |
| CN108323521A (en) * | 2018-04-03 | 2018-07-27 | 张月婵 | A kind of bactericidal composition containing Er Lv Evil bacterium azoles and triforine |
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Application publication date: 20170201 |