CN113455516A - Bactericidal composition containing propiconazole and benthiavalicarb isopropyl and application thereof - Google Patents
Bactericidal composition containing propiconazole and benthiavalicarb isopropyl and application thereof Download PDFInfo
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- CN113455516A CN113455516A CN202010247725.6A CN202010247725A CN113455516A CN 113455516 A CN113455516 A CN 113455516A CN 202010247725 A CN202010247725 A CN 202010247725A CN 113455516 A CN113455516 A CN 113455516A
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- Prior art keywords
- propiconazole
- benthiavalicarb
- isopropyl
- bactericidal composition
- benthiavalicarb isopropyl
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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
- A01N47/12—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, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
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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
- A01N43/64—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)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a bactericidal composition containing propiconazole and benthiavalicarb-isopropyl and an application thereof, wherein the bactericidal composition takes the propiconazole and benthiavalicarb-isopropyl as effective components, and the mass ratio of the propiconazole to the benthiavalicarb-isopropyl is 1-30: 1 to 30. The bactericidal composition can be applied to control of diseases of cereals, fruit trees and vegetables, has higher synergistic effect, overcomes and delays the drug resistance of germs, has high bactericidal speed and long duration, reduces the application cost, and has obviously better control effect than that of a single agent. The invention can be used for preventing and controlling fungoid on crops, especially for preventing and controlling wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight, cucumber downy mildew and other fungoid diseases, and the effect is obviously better than that of a single agent.
Description
Technical Field
The invention relates to a sterilization composition and application thereof, in particular to a sterilization composition containing propiconazole and benthiavalicarb isopropyl and application thereof.
Background
Propiconazole (propiconazole), formula: c15H17Cl2N3O2The chemical name is: 1- [2- (2, 4-dichlorophenyl) -4-propyl-1, 3-dioxolan-2-methyl]1-hydro-1, 2, 4-triazole. Structural formula (I)：
Propiconazole is a triazole systemic fungicide, has protection and treatment effects, and belongs to an inhibitor for ergosterol biosynthesis. The ergosterol plays an important role in the formation of fungal cell membranes, and propiconazole interferes with the biosynthesis of ergosterol in the fungal body by interfering with C14-demethylation, thereby destroying the growth and reproduction of the fungus and playing a protective and therapeutic role. Besides being ineffective to phycomycete diseases, propiconazole is effective to various diseases caused by fungi of ascomycete, basidiomycete and deuteromycete on food crops, vegetables, fruits and ornamental plants, and particularly has good control effect on wheat root rot, powdery mildew, rice bakanae disease, various rust diseases, leaf spot diseases, glume blight, net smut and the like, but is ineffective to egg fungus diseases.
Benthiavalicarb-isoproyl (benthiavalicarb-isoproyl), molecular formula: c18H24FN3O3S, chemical name: [ [ (6-Fluorobenzothiazol-2-yl) -ethylcarbamoyl]-2-methylpropyl]Isopropyl carbamate.
The benthiavalicarb isopropyl has strong preventing, treating and penetrating activity, good persistence and rain erosion resistance, and can still effectively control late blight of potatoes and tomatoes and downy mildew of grapes and other crops under a low dosage in field tests.
At present, the prevention and control difficulty of plant germs is increasingly greater, on one hand, with the change of a planting structure, the planting area of economic crops such as melons, fruits, vegetables and the like is gradually enlarged, the occurrence degree and the occurrence quantity of diseases are improved, and the prevention and control difficulty is increased; on the other hand, the resistance of pathogenic bacteria is increased year by year under the continuous medicament selection pressure, the control effect of a single medicament is greatly reduced, and the control of plant diseases faces important challenges.
Disclosure of Invention
The invention aims to provide a bactericidal composition containing propiconazole and benthiavalicarb-isopropyl and application thereof, the application range is wide, the cost is low, the effect is good, the bactericidal composition is applied to preventing and treating fungal diseases caused by plant fungi, and particularly the application of the bactericidal composition to preventing and treating fungal diseases such as wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight, cucumber downy mildew and the like is realized, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the bactericidal composition containing propiconazole and benthiavalicarb isopropyl comprises propiconazole and benthiavalicarb isopropyl, wherein the mass ratio of the propiconazole to the benthiavalicarb isopropyl is 1-30: 1 to 30.
Further, the mass ratio of the propiconazole to the benthiavalicarb isopropyl is 1-20: 1 to 6.
Further, the propiconazole and the benthiavalicarb isopropyl account for 2-62% of the composition by mass percent.
Further, the propiconazole and the benthiavalicarb isopropyl account for 2-42% of the composition by mass percent.
The bactericidal composition takes propiconazole and benthiavalicarb isopropyl as main active ingredients, and is compounded with known auxiliaries and excipients into any formulation allowed in pesticides. The known auxiliaries and excipients include dispersants, defoamers, wetting agents, disintegrators, and the like, one or more combinations of calcium dodecylbenzenesulfonate, alkylphenol ethoxylates, benzylphenol ethoxylates, phenethylphenol ethoxylates, fatty alcohol ethoxylates and the like, fatty amine ethoxylates, fatty acid ethylene oxide adducts, polyoxyethylene polyoxypropylene block compounds, castor oil ethoxylates, nonylphenol ethoxylates, tween series, fatty alcohol ethoxylates, polyethylene glycol series, sulfonates, carboxylates, sulfates, phosphates, phosphites, lignosulfonates, xanthan gum, phenol formaldehyde condensates, ammonium salts, quaternary ammonium salts, and the like can be used, and the excipient includes cyclohexanone, xylene, various solvent oils, water, antifreeze (such as propylene glycol), deionized water, and the like. The above adjuvants, excipients and other adjuvants can be used singly or in combination.
Furthermore, propiconazole and benthiavalicarb isopropyl are used as effective components and are prepared into any one formulation of pesticide together with pesticide auxiliary agents and excipients.
Furthermore, the preparation formulation is missible oil, a suspending agent, an aqueous emulsion, wettable powder or water dispersible granules.
The invention also provides application of the bactericidal composition containing the propiconazole and the benthiavalicarb-isopropyl in preparing medicines for preventing and treating plant fungal diseases, and particularly has obvious effect in preventing and treating diseases of cereals and vegetable crops.
Further, the plant fungal disease is at least one of wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight and cucumber downy mildew.
The sterilization composition of the invention has the characteristics that:
1. the propiconazole and the benthiavalicarb isopropyl used in the invention have different action mechanisms, do not generate low contact when mixed with each other, can realize synergistic interaction, reduce the dosage and reduce the cost.
2. The composition has an increased application range, is suitable for preventing and treating resistant fungal diseases of cereals and vegetables, and particularly has obvious effects of preventing and treating wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight, cucumber downy mildew and the like. The bactericidal composition has good control effect on fungal diseases of ascomycetes, basidiomycetes, deuteromycetes and oomycetes; and inhibiting the development of resistance of pests or fungi or bacteria to a single formulation (either propiconazole or benthiavalicarb). The bactericidal composition can produce higher synergistic effect, and the dosage of the mixture is greatly reduced compared with that of the single active compound, namely the activity of the mixture is greater than that of the single component.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with a single agent, the composition has obvious synergistic effect on resistant fungal diseases such as wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight, cucumber downy mildew and the like, overcomes and delays drug resistance, expands a control spectrum and obviously improves the control effect.
(2) The composition can reduce the cost of labor and medicine for prevention and treatment, and compared with a single agent, the composition has the advantages of reduced production and use cost and capability of replacing conventional pesticides which are easy to generate resistance.
(3) The composition can inhibit the generation of fungal drug resistance, and the effect is obviously higher than that of a single agent.
Detailed Description
The following examples will explain the present invention in detail, however, the present invention is not limited thereto. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Indoor bioassay test:
measuring EC of different agents on strains by adopting a hypha growth rate method indoors50Calculating the co-toxicity coefficient (CTC) of the mixed agent by adopting a co-toxicity coefficient calculation method, and determining the synergy of the mixed agent, wherein the specific calculation method comprises the following steps:
using a single dosage of the mixture as a standard medicament (EC is usually selected)50Lower), the calculation is performed:
single dose virulence index (standard dose EC)50A certain single agent EC50×100；
The theoretical virulence index is the ratio of A single agent to B single agent;
measured virulence index (EC) of standard single dose50EC of value/blend50The value x 100;
the cotoxicity coefficient is the actually measured virulence index/theoretical virulence index multiplied by 100;
grading co-toxicity coefficients: the mixture has synergistic effect when CTC is greater than 120, is antagonistic when CTC is less than 80, and has additive effect between 80 and 120.
According to the effective component propiconazole (A): the benthiavalicarb isopropyl (B) comprises the following components in percentage by mass: 30: 1. 20: 1. 10: 1. 5: 1. 2.5: 1. 1: 1. 1: 2. 1: 4. 1: 6. 1: 10. 1: 20. 1:30, the co-toxicity coefficient of tomato late blight (Mont.) DeBary) was determined.
Table 1: indoor bioassay results of different proportions of propiconazole and benthiavalicarb-isopropyl for tomato late blight
And (3) field efficacy test:
the pesticide preparation prepared by the above embodiment is used for controlling tomato late blight tests.
1. Test agents: the formulations of examples 1-13 were compounded. The control agents are pesticide single dose of 25% propiconazole EC and 50% benthiavalicarb WG and clear water blank respectively.
2. The test method comprises the following steps: each cell area is 66.7m2Repeating the steps for 3 times; the pesticide effect method for investigation before pesticide application and investigation after prevention and treatment comprises the following steps: randomly sampling 5 points in the test treatment area, grading the disease condition according to the relevant standards of the national field test, and calculating the control effect. The test results are shown in table 2:
TABLE 2 field test results
Indoor bioassay and field efficacy results show that the propiconazole and benthiavalicarb-isopropyl composition has an obvious synergistic effect, is excellent in prevention and treatment effect, is better than that of a single-dose variety in prevention and treatment effect, and has application value in agricultural application.
The two active compounds can be processed into any allowable dosage forms, and the following specific examples illustrate the formulations of the two active ingredients, but the formulations in which the two active ingredients can be processed are not limited to those listed below.
Example 1: 6% propiconazole-benthiavalicarb isopropyl wettable powder (1:2)
Adding 2g of propiconazole, 4g of benthiavalicarb isopropyl, 2g of a detergent LS (sodium p-methoxy fatty acid aminobenzenesulfonate), 4g of a dispersing agent NNO (sodium methylenedinaphthalenesulfonate) and 5g of white carbon black into 100g of a mixture, and carrying out air flow crushing to obtain the propiconazole-benthiavalicarb isopropyl wettable powder with the active ingredient mass percentage of 6%.
Example 2: 15% propiconazole-benthiavalicarb isopropyl wettable powder (1:4)
Adding 3g of propiconazole, 12g of benthiavalicarb isopropyl, 3g of sodium dodecyl sulfate, a dispersing agent NNO4g, 5g of white carbon black and 100g of kaolin into the mixture, and performing air flow crushing to obtain the propiconazole-benthiavalicarb isopropyl wettable powder with the effective component mass percentage of 15%.
Example 3: 14% propiconazole-benthiavalicarb isopropyl wettable powder (1:6)
Adding 2g of propiconazole, 12g of benthiavalicarb isopropyl, 3g of sodium dodecyl sulfate, a dispersing agent NNO4g, 5g of white carbon black and 100g of kaolin into the mixture for airflow crushing to obtain the propiconazole-benthiavalicarb isopropyl wettable powder with the effective component mass percentage of 14%.
Example 4: 2% propiconazole-benthiavalicarb isopropyl suspending agent (1:1)
Weighing 1g of propiconazole, 1g of benthiavalicarb isopropyl, 2g of lignin, 4g of polyoxyethylene polyoxypropylene ether and sulfate thereof, 0.15g of xanthan gum, 5g of ethylene glycol, 0.10g of siloxane and 0.5g of magnesium aluminum silicate, supplementing water to 100g, and preparing the propiconazole-benthiavalicarb isopropyl suspending agent with the effective component mass percentage of 2% under the action of a sand mill.
Example 5: 11% propiconazole-benthiavalicarb-isopropyl emulsion in water (1:10)
Weighing 1g of propiconazole, 10g of benthiavalicarb isopropyl, 3g of phenethyl phenol polyoxyethylene ether phosphate, 33#2g of agricultural emulsion, 1g of alkylphenol polyoxyethylene ether and 13g of 150# solvent oil, and adding water to 100 g. The raw materials are put into a mixing kettle according to a conventional method for preparing the emulsion in water and are mixed at high speed to prepare the propiconazole-benthiavalicarb-isopropyl emulsion in water with the mass percent of the effective component of 11%.
Example 6: 21% propiconazole-benthiavalicarb isopropyl missible oil (1:20)
Weighing 1g of propiconazole, 20g of benthiavalicarb isopropyl, 8g of calcium dodecyl benzene sulfonate, 5g of phenethyl phenol polyoxyethylene ether and 150# solvent oil to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing missible oil, and the propiconazole-benthiavalicarb isopropyl missible oil with the effective component mass percentage of 21% is prepared.
Example 7: 7% propiconazole-benthiavalicarb isopropyl missible oil (2.5:1)
Weighing 5g of propiconazole, 2g of benthiavalicarb isopropyl, 5g of calcium dodecyl benzene sulfonate, 2g of phenethyl phenol polyoxyethylene ether, 2g of castor oil polyoxyethylene ether and 150# solvent oil to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing missible oil, and the propiconazole-benthiavalicarb isopropyl missible oil with 7 mass percent of effective components is prepared.
Example 8: 6% propiconazole-benthiavalicarb isopropyl water dispersible granule (5: 1)
Weighing 5g of propiconazole, 1g of benthiavalicarb isopropyl, 8g of sodium lignosulfonate, 2g of sodium dodecyl sulfate, 5g of ammonium sulfate, 5g of polyvinyl alcohol, 2g of borax and the balance of diatomite to 100g, and preparing the raw materials into propiconazole-benthiavalicarb isopropyl water dispersible granules with the effective components of 6% by mass according to a water dispersible granule method.
Example 9: 11% propiconazole-benthiavalicarb isopropyl missible oil (10:1)
Weighing 10g of propiconazole, 1g of benthiavalicarb isopropyl, 6g of calcium dodecyl benzene sulfonate, 7g of phenethyl phenol polyoxyethylene ether and 150# solvent oil to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing missible oil, and the propiconazole-benthiavalicarb isopropyl missible oil with the effective component mass percentage of 11% is prepared.
Example 10: 42% propiconazole-benthiavalicarb isopropyl microemulsion (20:1)
Weighing 40g of propiconazole, 2g of benthiavalicarb-isopropyl, 6g of calcium dodecyl benzene sulfonate, 3g of phenethyl phenol polyoxyethylene ether phosphate, 33#2g of agricultural emulsion, 1g of alkylphenol polyoxyethylene ether and 10g of isopropanol, and adding water to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing the microemulsion, and the propiconazole-benthiavalicarb isopropyl microemulsion with the mass percentage of the effective component of 42% is prepared.
Example 11: 15.5% propiconazole-benthiavalicarb isopropyl missible oil (30:1)
Weighing 15g of propiconazole, 0.5g of benthiavalicarb isopropyl, 4g of calcium dodecyl benzene sulfonate, 4g of phenethyl phenol polyoxyethylene ether and 150# solvent oil to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing missible oil, and the propiconazole-benthiavalicarb isopropyl missible oil with the effective component mass percentage of 15.5 percent is prepared.
Example 12: 62% propiconazole-benthiavalicarb isopropyl microemulsion (1:30)
Weighing 2g of propiconazole, 60g of benthiavalicarb-isopropyl, 6g of calcium dodecyl benzene sulfonate, 3g of phenethyl phenol polyoxyethylene ether phosphate, 33#2g of agricultural emulsion, 1g of alkylphenol polyoxyethylene ether and 10g of isopropanol, and adding water to 100 g. The raw materials are put into a mixing kettle to be mixed according to a conventional method for preparing the microemulsion, and the propiconazole-benthiavalicarb isopropyl microemulsion with the mass percentage of the effective components of 62% is prepared.
The invention can be used for preventing and controlling fungoid on crops, especially for preventing and controlling wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight, cucumber downy mildew and other fungoid diseases, and the effect is obviously better than that of a single agent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl is characterized by comprising propiconazole and benthiavalicarb isopropyl, wherein the mass ratio of the propiconazole to the benthiavalicarb isopropyl is 1-30: 1 to 30.
2. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl according to claim 1, wherein the mass ratio of the propiconazole to the benthiavalicarb isopropyl is 1-20: 1 to 6.
3. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl according to claim 2, wherein the propiconazole and benthiavalicarb isopropyl account for 2-62% of the composition by mass.
4. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl according to claim 3, wherein the propiconazole and benthiavalicarb isopropyl account for 2-42% of the composition by mass.
5. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl according to claim 1, which is characterized in that the propiconazole and benthiavalicarb isopropyl are used as active ingredients and are prepared into any one formulation of pesticide together with pesticide auxiliary agents and excipients.
6. The bactericidal composition containing propiconazole and benthiavalicarb isopropyl of claim 5, wherein the formulation is missible oil, a suspending agent, an aqueous emulsion, a wettable powder or a water dispersible granule.
7. The use of the bactericidal composition containing propiconazole and benthiavalicarb isopropyl according to claim 1 in the preparation of a medicament for controlling plant fungal diseases.
8. The use of the bactericidal composition containing propiconazole and benthiavalicarb-isopropyl according to claim 7, wherein the plant fungal disease is at least one of wheat take-all, powdery mildew, rust disease, grape anthracnose, tomato late blight and cucumber downy mildew.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116114701A (en) * | 2023-02-08 | 2023-05-16 | 河南金田地农化有限责任公司 | Ultra-low capacity bactericide and application thereof |
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| CN1154694A (en) * | 1994-08-03 | 1997-07-16 | 久美蓝化学工业株式会社 | Aminoamide derivative, its preparation method, agricultural and horticultural bactericide and bactericidal method |
| DE10021412A1 (en) * | 1999-12-13 | 2001-06-21 | Bayer Ag | Fungicidal active ingredient combinations |
| CN1409596A (en) * | 1999-12-13 | 2003-04-09 | 拜尔公司 | Fungicidal combinations of active substances |
-
2020
- 2020-03-31 CN CN202010247725.6A patent/CN113455516A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154694A (en) * | 1994-08-03 | 1997-07-16 | 久美蓝化学工业株式会社 | Aminoamide derivative, its preparation method, agricultural and horticultural bactericide and bactericidal method |
| DE10021412A1 (en) * | 1999-12-13 | 2001-06-21 | Bayer Ag | Fungicidal active ingredient combinations |
| CN1409596A (en) * | 1999-12-13 | 2003-04-09 | 拜尔公司 | Fungicidal combinations of active substances |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116114701A (en) * | 2023-02-08 | 2023-05-16 | 河南金田地农化有限责任公司 | Ultra-low capacity bactericide and application thereof |
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