CN106818797A - A kind of bactericidal composition containing Difenoconazole and folpet and application thereof - Google Patents
A kind of bactericidal composition containing Difenoconazole and folpet and application thereof Download PDFInfo
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- CN106818797A CN106818797A CN201710156852.3A CN201710156852A CN106818797A CN 106818797 A CN106818797 A CN 106818797A CN 201710156852 A CN201710156852 A CN 201710156852A CN 106818797 A CN106818797 A CN 106818797A
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- bactericidal composition
- folpet
- difenoconazole
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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
- A01N47/02—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 no bond to a nitrogen atom
- A01N47/04—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 no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
-
- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition containing Difenoconazole and folpet, it is characterised in that in the bactericidal composition, the mass ratio of the Difenoconazole and the folpet is 1:80~1:1.Bactericidal composition of the invention has preferable prevention effect to the crop fungal disease such as cotton anthracnose, there is notable synergistic effect between two medicaments, dosage can be reduced, effectively reduce ecological disruption and environmental pollution, the resistance risk of medicament is reduced, to people and animals, beneficial organism safety.
Description
Technical field
The invention belongs to technical field of pesticide, be related to a kind of disinfectant use in agriculture, more particularly to it is a kind of containing Difenoconazole and
Bactericidal composition of folpet and application thereof.
Background technology
Difenoconazole, molecular formula is C19H17Cl2N3O3, chemical name be it is suitable, trans- chloro- 4- of 3- [4- methyl -2- (1H-1,
2,4- triazol-1-yl methyl) -1,3- bis- Evil pentane -2- bases] (suitable, inverse proportion is about 45 to phenyl 4- chlorphenyls ether:55).Phenylate
Methyl cyclic-azole is that security is higher in triazole bactericidal agent, is one of current agriculture chemicals fungicide fine work, and it has wide spectrum, peace
Entirely, prevent, treat and root out five large effects, with preferable absorbability, can rapidly be absorbed by plant after dispenser.Difenoconazole
The diseases such as powdery mildew, rust, leaf spot, scab, anthracnose, the rice sheath blight disease of general all preventing and treatings crops.
The mechanism of action of Difenoconazole is that the normal growth of germ is disturbed by suppressing the biosynthesis of the black alcohol of ergot,
There is strong inhibitory action to the sporogenesis of phytopathogen.Difenoconazole wide sterilization spectrum, using Difenoconazole once,
Multiple diseases can be prevented, the security to crop is good, can be applied in various crop.For example it can prevent and treat sac fungus, load
The microbial scab of the cause of diseases such as bacterium, Fungi Imperfecti, powdery mildew, leaf spot, rust, anthracnose etc..The characteristics of Difenoconazole is
Interior suction wide-spectrum bactericide, absorbs fast, lasting medicine, resistance of rainwater washing against, and its lasting period ratio is with the series bactericidal agent strong treatment of tool in 3-4 days long
The characteristics of effect and lasting period long.But, its prevention effect to the crop fungal disease such as cotton anthracnose is bad, usage amount
Big DeGrain, single dose easily makes crop fungi produce drug resistance.
Folpet, molecular formula is C9H4Cl3NO2S, is broad spectrum protection bactericide, is pale yellow powder.To plant growth
Development has stimulation.Meet water under normal temperature slowly to decompose, logical alkali or high temperature are easily decomposed.
Folpet is aminopyrimidine new type bactericide, and the mechanism of action is to suppress the cell wall breakdown ferment produced by pathogen
To bacterium secreted in vitro, while suppress absorption of the thalline to nutrient sources such as amino acid and glucose, so as to hinder invading pathogens to plant
Thing.Can be used to preventing and treating the various crop fungal diseases such as tomato, strawberry, scab on cucumber and grape grey mould and apple, pears.
But, its prevention effect equally to the crop fungal disease such as cotton anthracnose is bad, the big DeGrain of usage amount, single dose
Crop fungi is easily set to produce drug resistance.
Therefore, it is one urgently to be resolved hurrily to work out a kind of bactericide of the crop fungal disease for being suitable to and preventing and treating cotton anthracnose
Technical problem.
The content of the invention
Cause germ easily to produce resistant variant when being used alone in order to avoid medicament, make the preventive effect reduction even nothing of medicament
The problem of effect, the present invention proposes a kind of new type bactericide composition.
To achieve these goals, the present invention provides following technical scheme:
A kind of bactericidal composition containing Difenoconazole and folpet, it is characterised in that described in the bactericidal composition
The mass ratio of Difenoconazole and the folpet is 1:80~1:1.
Further, wherein, the mass ratio of the Difenoconazole and folpet is 1:20~1:5.
Further, wherein, the mass ratio of the Difenoconazole and folpet is 1:20~1:10.
Yet further, wherein, sterilized agent aid is added with the bactericidal composition to be made aqueous suspension agent, wettable
Pulvis or water-dispersible granules.
Again further, wherein, the Difenoconazole and folpet composition active ingredient account for the Bactericidal composite
The 10%~50% of thing gross mass.
On the other hand, wherein, the sterilized agent aid include emulsifying agent, wetting agent, dispersant, thickener, defoamer, water
Or filler.
Further, wherein, the emulsifying agent, wetting agent and dispersant be fourth diyl sodium naphthalene sulfonate, sodium lignin sulfonate,
Calcium lignosulfonate, fatty alcohol and ethylene oxide condensate, aliphatic acid and ethylene oxide condensate, polyoxyethylene fatty acid ester,
One or more in alkylphenol-polyethenoxy base phosphate, rilanit special APEO
Further, wherein, the thickener be xanthans or polyvinyl alcohol.
Yet further, wherein, the defoamer be phosphate defoamer and organic silicon defoamer in one or more;
Described filler is one or more in white carbon, kaolin, attapulgite and diatomite.
Moreover, it relates to prevent and treat the crop fungal disease of cotton anthracnose using above-mentioned bactericidal composition.
Bactericidal composition of the invention combines Difenoconazole and folpet, and Difenoconazole possesses difference with folpet
Structure type and discrepant mechanism of action, the two is combined by a certain percentage, it is high with bactericidal activity in actual use
The advantages of, while resistance risk when Difenoconazole is used alone can be reduced to a greater extent, reduce dosage, warp
Ji, efficient, environmental protection.
Specific embodiment
With reference to embodiment, the present invention is further described, and the content of embodiment is not as to protection scope of the present invention
Limitation.
The present invention is tested and field efficacy checking test by the indoor bioassay of system, by Difenoconazole and sterilizing
Pellet carries out compounded combination, and appropriate design the formulations of pesticide, it is proposed that a kind of Difenoconazole containing active component and folpet and
The new type bactericide composition of suitable insecticides adjuvant.The microbicide compositions have bactericidal activity high in actual use, and
Two class medicaments possess different structure type and discrepant mechanism of action, and the two combination can to a greater extent delay cause of disease
The thing resistance to the action of a drug is produced and developed, and declines dosage total in unit area, so as to realize invention economic, efficiently, environmentally friendly
Purpose.
In the present invention, inventor is used by p-phenylene's methyl cyclic-azole and the careful analysis of folpet sterilization idiocratic
Wadley methods carry out experimental design and result treatment, determine Difenoconazole and the single compound of folpet two (below first
Abbreviation medicament) EC50, according to the EC of two single medicaments50By the portfolio ratio of Wadley methods two medicaments of setting, and according to
Wadley synergy index SR values, it is determined that suitable composition ratio, is then verified by the abundant methods of Sun Yun.
Test objective thing is cotton anthracnose, and experiment uses colony diameter method.Difenoconazole, folpet mother liquor are taken, is matched somebody with somebody
Being set to needs liquid flat board, and per ware about 14ml, while setting without medicine flat board control (CK), often treatment repeats 3 wares, that is, is repeated 3 times.
The card punch of preculture colony edge sterilizing produces the mycelia block of 5mm diameters, moves on to respectively on different culture media flat board, 28 DEG C
Culture 4d, measures colony diameter (mm), and growth inhibition ratio is calculated by following equation:
Mycelial growth inhibition rate is converted into suppression probit value (Y), drug concentration is converted into log concentration (X), by concentration
Logarithm is that abscissa, probit value make toxicity regression straight line for ordinate, tries to achieve Difenoconazole and folpet single dose and its mixture
To the virulence regression equation of cotton anthracnose, and calculate EC50、EC90Value and correlation coefficient r value.
The interaction of mixture is evaluated according to Wadley methods, computing formula is as follows:
EC50 (theoretical values)=(a+b)/(a/EC50a+b/EC50b), SR=EC50 (theoretical values)/EC50 (actual values)。
Wherein a, b are each component content ratios in mixture, and the effect of mixture is analyzed with SR values.SR≤0.5, then two kinds of medicines
Agent mixture has antagonism;SR=0.5~1.5, then two kinds of medicament mixtures have addition;SR >=1.5, then two kinds of medicament mixtures
There is synergistic effect.
The Difenoconazole of table 1 is with folpet single dose and its mixture to cotton anthrax cotton seedling blight toxicity test result
Data can be analyzed and obtained from table 1, and Difenoconazole is with folpet with 1:80~1:Can suppress during 1 ratio mixture
The growth of cotton anthracnose mycelia, with 1:20 and 1:10 ratio mixtures, can be compared with the growth of high inhibition cotton anthracnose mycelia, table
Existing synergistic effect.
Therefore, in the present invention, in the bactericidal composition containing Difenoconazole and folpet, the Difenoconazole and
The mass ratio of folpet is 1:80~1:1.Preferably, wherein, the mass ratio of the Difenoconazole and folpet is 1:20~
1:5.It is highly preferred that wherein, the mass ratio of the Difenoconazole and folpet is 1:20~1:10.
Additionally, in the present invention, sterilized agent aid is added with the bactericidal composition to be made aqueous suspension agent, wettable
Pulvis or water-dispersible granules.Preferably, the active ingredient of the Difenoconazole and folpet composition accounts for the Bactericidal composite
The 10%~50% of thing gross mass.
And, in the present invention, the sterilized agent aid include emulsifying agent, wetting agent, dispersant, thickener, defoamer,
Water or filler.Wherein, the emulsifying agent, wetting agent and dispersant can be fourth diyl sodium naphthalene sulfonate, sodium lignin sulfonate, wooden
Plain sulfoacid calcium, fatty alcohol and ethylene oxide condensate, aliphatic acid and ethylene oxide condensate, polyoxyethylene fatty acid ester, alkyl
One or more in phenol polyethenoxy base phosphate, rilanit special APEO.
Also, the thickener can be xanthans or polyvinyl alcohol.The defoamer can for phosphate defoamer and
One or more in organic silicon defoamer.Described filler can be in white carbon, kaolin, attapulgite and diatomite
Plant or various.
As for the content of various sterilized agent aids, then the formulation according to obtained by, be aqueous suspension agent, wettable powder also
Depending on being water-dispersible granules, if ensure the Difenoconazole and folpet composition active ingredient accounting meet it is above-mentioned will
Ask.
Several specific embodiments of the invention are described below.
【Embodiment 1】
A kind of 22% Difenoconazole and folpet suspending agent, in the suspending agent, the mass percent of each component are provided
For:
Preparation method:According to said ratio, above component is weighed in proportion, add ball mill ball milling 30 minutes, filtering
Afterwards, be pumped into dispersion tank high speed shear be fully ground through sand mill after 3 minutes, control solid constituent particle diameter 2 microns with
Interior, grinding end stirs in falling back, and obtains final product suspending agent product.
【Embodiment 2】
A kind of 42% Difenoconazole and folpet suspending agent, in the suspending agent, the mass percent of each component are provided
For:
Preparation method:With embodiment 1.
【Embodiment 3】
A kind of 33% Difenoconazole and folpet suspending agent, in the suspending agent, the mass percent of each component are provided
For:
Preparation method:With embodiment 1.
【Embodiment 4】
A kind of 44% Difenoconazole and folpet wettable powder, in the wettable powder, the matter of each component are provided
Measuring percentage is:
Preparation method:Air-flow crushing is carried out after adding mixer well mixed according to the above ratio above component, has been crushed
Stirred after, you can obtain wettable powder product.
【Embodiment 5】
A kind of 42% Difenoconazole and folpet wettable powder, in the wettable powder, the matter of each component are provided
Measuring percentage is
Preparation method:With embodiment 4.
【Embodiment 6】
A kind of 22% Difenoconazole and folpet water dispersible granules, in the water dispersible granules, the matter of each component are provided
Measuring percentage is:
Preparation method:Air-flow crushing is carried out after adding mixer well mixed according to the above ratio above component, has been crushed
A small amount of purified water is added to stir into rear, extruder grain can obtain wettable powder product after drying.
Prevention effect of the above-mentioned each preparation to cotton anthracnose is determined in field condition.
Embodiment is as follows:
Trial crops are cotton, and kind is middle cotton 54, and plot area is 40 ㎡, 4 repetitions, random alignment, each treatment
Between set protection row.
Determine medicament:
Embodiment 1:22% Difenoconazole and folpet suspending agent, embodiment 2:42% Difenoconazole and folpet are outstanding
Floating agent, embodiment 3:33% Difenoconazole and folpet suspending agent, embodiment 4:44% Difenoconazole and folpet suspend
Agent, embodiment 5:42% Difenoconazole and folpet wettable powder, embodiment 6:22% Difenoconazole and folpet water
Dispersible granule treatment dosage is 180gai/hm2, the difenoconazole water dispersible granule treatment dosage of comparison medicament 10% is
100g·ai/hm2, 80% folpet wettable powder treatment dosage be 300gai/hm2, separately set the blank of spray clear water.
Foliar spray treatment, dispenser 2 times, 750 liters of per hectare, even spraying are carried out in cotton anthracnose early stage.Spraying equipment is
WS-16 type knapsack hand sprayers.Cotton anthracnose disease index investigation, second dispenser 7 days are carried out before chemicals treatment
Cotton anthracnose incidence is investigated afterwards.
Investigation method, classification, drug effect are calculated and are performed both by National Standard of the People's Republic of China,《Farmland test of pesticide effectiveness criterion
(1)》, as a result shown in table 2.
The Difenoconazole of table 2 and folpet composition are to cotton anthracnose field control effect
As shown in table 2:6 composite preparations of embodiment reach more than 78%, embodiment to cotton anthracnose preventive effect
1:22% Difenoconazole and folpet suspending agent preventive effect are up to 84.57%, embodiment 2:42% Difenoconazole and folpet can
WP preventive effect is up to 83.45%, embodiment 3:33% Difenoconazole and folpet suspending agent preventive effect up to 82.37%, implement
Example 4:44% Difenoconazole and folpet suspending agent preventive effect are up to 81.57%, embodiment 5:42% Difenoconazole and folpet
Wettable powder preventive effect is up to 78.57%, embodiment 6:22% Difenoconazole and folpet water dispersible granules preventive effect reach
83.55%.Wherein, embodiment 1:22% Difenoconazole and folpet suspending agent preventive effect are up to 84.57%.
It follows that the bactericidal composition containing Difenoconazole and folpet of the invention is true to crops such as cotton anthracnoses
Fungal disease has preferable prevention effect, there is notable synergistic effect between two medicaments, can reduce dosage, effectively reduces ecological
Destruction and environmental pollution, and can improve crop yield and quality, and can delay germ to the resistance to the action of a drug of single medicament.Meanwhile, this
Difenoconazole and folpet in the bactericidal composition of invention belong to low toxicity, to people and animals, beneficial organism safety.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Implementation method restriction.For those of ordinary skill in the field, can also make on the basis of the above description
The change or variation of other multi-forms.Here all of implementation method cannot be exhaustive.It is every to belong to skill of the invention
Obvious change that art scheme is extended out changes row still in protection scope of the present invention.
Claims (10)
1. a kind of bactericidal composition containing Difenoconazole and folpet, it is characterised in that in the bactericidal composition, the benzene
The mass ratio of ether methyl cyclic-azole and the folpet is 1:80~1:1.
2. bactericidal composition according to claim 1, it is characterised in that the mass ratio of the Difenoconazole and folpet
It is 1:20~1:5.
3. bactericidal composition according to claim 2, it is characterised in that the mass ratio of the Difenoconazole and folpet
It is 1:20~1:10.
4. the bactericidal composition according to any one of claim 1-3, it is characterised in that added in the bactericidal composition
There is sterilized agent aid to be made aqueous suspension agent, wettable powder or water-dispersible granules.
5. bactericidal composition according to claim 4, it is characterised in that the Difenoconazole and folpet composition have
Effect composition accounts for the 10%~50% of the bactericidal composition gross mass.
6. bactericidal composition according to claim 5, it is characterised in that the sterilized agent aid includes emulsifying agent, wetting
Agent, dispersant, thickener, defoamer, water or filler.
7. bactericidal composition according to claim 6, is characterised by, the emulsifying agent, wetting agent and dispersant are fourth two
Base sodium naphthalene sulfonate, sodium lignin sulfonate, calcium lignosulfonate, fatty alcohol and ethylene oxide condensate, aliphatic acid and oxirane
One kind in condensation product, polyoxyethylene fatty acid ester, alkylphenol-polyethenoxy base phosphate, rilanit special APEO or
It is various.
8. bactericidal composition according to claim 7, it is characterised in that the thickener is xanthans or polyvinyl alcohol.
9. bactericidal composition according to claim 8, it is characterised in that the defoamer is phosphate defoamer and organic
One or more in silicon defoaming agent;Described filler is the one kind or many in white carbon, kaolin, attapulgite and diatomite
Kind.
10. using crop fungoid diseases such as the bactericidal composition preventing and treating cotton anthracnoses any one of claim 1 to 9
Evil.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107711864A (en) * | 2017-11-27 | 2018-02-23 | 广东广康生化科技股份有限公司 | Agricultural bactericidal composition and purposes for industrial crops |
WO2023002475A1 (en) * | 2021-07-17 | 2023-01-26 | Adama Makhteshim Ltd. | Aqueous fungicide mixture formulation |
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CN101524077A (en) * | 2009-01-16 | 2009-09-09 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition compositing difenoconazole and Sanmate |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107711864A (en) * | 2017-11-27 | 2018-02-23 | 广东广康生化科技股份有限公司 | Agricultural bactericidal composition and purposes for industrial crops |
WO2023002475A1 (en) * | 2021-07-17 | 2023-01-26 | Adama Makhteshim Ltd. | Aqueous fungicide mixture formulation |
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