CN111296469A - Pesticide composition containing thiophanate-methyl and meperflutonazole - Google Patents
Pesticide composition containing thiophanate-methyl and meperflutonazole Download PDFInfo
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- CN111296469A CN111296469A CN202010185350.5A CN202010185350A CN111296469A CN 111296469 A CN111296469 A CN 111296469A CN 202010185350 A CN202010185350 A CN 202010185350A CN 111296469 A CN111296469 A CN 111296469A
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- methyl
- thiophanate
- pesticide composition
- chlorofluoromethane
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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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
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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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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a pesticide composition containing thiophanate-methyl and meperflutonazole, belonging to the field of pesticide compounding. The pesticide composition containing thiophanate-methyl and chlorofluoromethane has the effective components of thiophanate-methyl and chlorofluoromethane; the weight ratio of thiophanate methyl to chlorofluoromethane is 1: 10-10: 1. The pesticide composition is a novel efficient pesticide composition and is mainly used for preventing and treating pepper anthracnose and cotton anthracnose. After the active ingredients of the pesticide composition are compounded, the pesticide composition has obvious synergistic effect, improves the control effect, can reduce the application dosage and reduce the application times; the development of disease resistance is delayed, the cost is reduced, the environmental pollution is reduced, the environment is protected, and the economic benefit and the social benefit are remarkable.
Description
Technical Field
The invention relates to the field of pesticide compounding, and particularly relates to a pesticide composition containing thiophanate-methyl and chlorofluoromethane.
Background
In the actual process of agricultural production, the application of chemical agents is the most effective means for controlling fungal diseases of plants. However, the continuous application of a large amount of single bactericide for a long time is easy to cause medicament residue, environmental pollution and generation of drug-resistant fungi. The reasonable compounding or mixing of the chemical bactericide has the advantages of expanding the bactericidal spectrum, improving the control effect, prolonging the application suitable period, reducing the dosage, reducing the phytotoxicity, reducing the residue and delaying the generation of the drug resistance and drug resistance of fungi, and the compounding or mixing of the bactericide is one of the most effective methods for solving the problems.
Thiophanate-methyl is a broad-spectrum bactericide, has a certain systemic action, can be converted into carbendazim after entering a plant body, belongs to benzimidazoles, and is widely applied to various crops such as grains, cotton, oil, vegetables, fruit trees and the like.
Chlorofloxacin (mefentrifluconazole) is an ergosterol demethylation inhibitor. The composition is a systemic bactericide, has lasting protection and treatment effects, and has higher activity on pathogenic bacteria and higher safety on environmental organisms such as mammals, bees and the like compared with other triazole bactericides.
The pepper anthracnose is caused by the infection of asexual fungus of acanthosporium of subphylum, and mainly damages pepper fruits. The germs are attached to the surface of the seeds by conidia or are dormant in the seeds by hypha for overwintering, and the seedlings can be attacked by seeding the seeds with germs; the pathogenic bacteria can also overwinter in soil with hypha or conidium disc as disease residue, and become the primary infection bacteria source of the next season. The conidia which grow after overwintering are spread by wind and rain splash, insects or water, and the conidia germinate to grow into germ tubes under proper conditions and invade from wounds on the epidermis of the host. After the primary infection, a large number of new conidia grow, and re-infection can be frequently carried out after the propagation. The yield is reduced by more than 40% in the epidemic years, and the development of the pepper industry is seriously threatened.
Cotton anthracnose can be attacked in the whole growth period of cotton, and is seriously damaged in the seedling stage and the boll stage. The cotton seeds are infected after germination and can rot in the soil. The cotyledon has yellow brown lesion, red brown edge, and orange red viscous substance, i.e. pathogen conidium. The base of the young stalk is attacked to produce reddish brown spindle-shaped streak which is then browned and slightly sunken, and the scab is provided with orange-red sticky substances. The disease spots on the bell are initially dark red dots, gradually enlarge and dent later, the middle part becomes grey brown, and orange red viscous substances are also arranged on the upper part. Rotten bells can form stiff petals.
The prevention and control of pepper anthracnose and cotton anthracnose are very important in agriculture, but the cost for developing a new medicament is high, and the time consumption is long, so that how to obtain the high-efficiency treatment of pepper anthracnose and cotton anthracnose through medicament compounding is particularly important.
Disclosure of Invention
In order to make up the defects of the prior art, improve the control effect of pepper anthracnose and cotton anthracnose, prolong the application period, reduce the dosage, reduce the phytotoxicity, reduce the residue and delay the generation of drug resistance and drug resistance of fungi, the invention provides a pesticide composition containing thiophanate methyl and cloroxen epoxiconazole. The pesticide composition is a novel efficient pesticide composition and is mainly used for preventing and treating pepper anthracnose and cotton anthracnose.
The technical scheme of the invention is as follows:
a pesticide composition containing thiophanate-methyl and chlorofluoromethrin has the effective components of thiophanate-methyl and chlorofluoromethrin; the weight ratio of thiophanate methyl to chlorofluoromethane is 1: 10-10: 1.
The compound bactericide taking the thiophanate-methyl and the meperflutonazole as the effective components has obvious synergistic action, delays the generation of drug resistance of diseases, reduces the production cost and the use cost, and can be used for treating resistant diseases.
Preferably, the weight ratio of the thiophanate-methyl to the chlorofluoromethoxyfen-containing pesticide composition is 3: 1-10: 1.
In a further preferable mode, the weight ratio of the thiophanate-methyl to the chlorofluoromethoxyfen-containing pesticide composition is 4: 1-8: 1.
According to the long-term test results of the inventor, the remarkable synergy is as follows: in the pesticide composition containing thiophanate-methyl and chlorofluoromethane, the weight ratio of thiophanate-methyl to chlorofluoromethane is 4: 1-8: 1.
As a further preferable scheme, the weight ratio of the thiophanate methyl to the chlorofluoromethoxyfen-containing pesticide composition is 8: 1.
Preferably, the pesticide composition containing thiophanate methyl and the meperflutonazole also comprises agriculturally acceptable auxiliary agents and/or carriers, and is prepared into agriculturally usable dosage forms. The auxiliary agent includes one or more of an emulsifier, a wetting agent, a stabilizer, a dispersant, a thickener, a defoamer, a disintegrant, a binder, a filler and the like, and is a known substance, which may be changed according to different situations, and is not particularly limited.
Preferably, the weight percentage of the active ingredients of the pesticide composition containing thiophanate methyl and clobetasol is 1-80%.
Preferably, the pesticide composition is in the form of a suspending agent, a suspending emulsion, wettable powder and water dispersible granules.
As a further preferable mode, the formulation of the pesticide composition is a suspoemulsion.
The pesticide composition containing thiophanate methyl and chlorofluoromethane is used for preventing and treating pepper anthracnose.
The pesticide composition containing thiophanate methyl and chlorofluoromethane has another application for preventing and treating cotton anthracnose.
The agricultural chemical composition of the present invention should be applied as much as possible before or at the beginning of the occurrence of a disease. The pesticide composition of the present invention is usually applied by spraying, and other application techniques for agricultural use may be used depending on the actual situation.
The toxicity test of the pesticide composition on pepper anthracnose verifies that the pesticide composition has an obvious synergistic effect when the mass ratio of thiophanate methyl to chlorofluoromethane is 6: 1-8: 1, and the synergistic effect is most obvious when the mass ratio is 8: 1.
The invention has the beneficial effects that:
1. the pesticide composition disclosed by the invention shows an obvious synergistic effect in a certain proportioning range, the control effect of the composition is obviously higher than that of a single agent, the control effect is improved, the application dosage can be reduced, and the application times are reduced; the method delays the development of disease resistance, reduces the cost, reduces the adverse effect of pesticide on the ecological environment, is beneficial to environmental protection, and has remarkable economic and social benefits.
2. The two effective components of the pesticide composition provided by the invention have different action mechanisms, and the two bactericides are mixed, so that the control spectrum of the bactericides is expanded, and the application efficiency is improved; and the chlorofluoromethane contains special group isopropanol, so that the generation of drug resistance of pathogenic bacteria can be delayed, and the composition has an excellent control effect on resistant fungi.
3. The pesticide composition is a novel efficient pesticide composition and can be used for preventing and treating pepper anthracnose and cotton anthracnose.
Detailed Description
In order that the manner in which the above recited features of the present invention are attained and can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The effect experiment of the invention adopts a mode of combining indoor bioassay and field experiment, and if no special description is given, the proportions mentioned below are all mass fraction ratios.
Influence of different proportions of thiophanate methyl and chlorofluoromethane on hypha growth of colletotrichum capsici
The test object is collectible field test method is carried out according to 'agricultural chemical indoor bioassay test standard bactericide'.
According to the Wadley method, the synergistic effect of the mixed medicaments is evaluated according to the synergistic coefficient (SR), namely, the SR < 0.5 is antagonistic action, the SR < 0.5 and less than or equal to 1.5 are additive action, and the SR > 1.5 is synergistic action. SR ═ EC50(theoretical value)/EC50(observed value); EC (EC)50EC of (theoretical value) ═ a + b)/(a/a50EC of + B/B50)
TABLE 1 inhibitory Activity of thiophanate methyl and Chlorofloxacin on mycelial growth of Colletotrichum capsici
From Table 1, it can be seen that thiophanate methyl and clobetasol have high inhibitory activity on the growth of hyphae of colletotrichum capsici, EC501.4059mg/L and 0.8611mg/L respectively. The synergistic range of the blending of thiophanate methyl and the chlorofluoromethane for the pepper anthracnose is small, the toxicity is highest when the ratio is 6: 1-8: 1 and is 8:1, and the synergistic effect is most obvious.
Effect of different proportions of thiophanate-methyl and chlorofluoromethane on extension of germ tubes of colletotrichum capsici
The test object is collectible field test method is carried out according to 'agricultural chemical indoor bioassay test standard bactericide'.
TABLE 2 inhibition activity of thiophanate methyl and clobetasol-meprazole complex formulation on elongation of germ tubes of colletotrichum capsici
As can be seen from Table 2, the combination of thiophanate methyl and clobetasol has a good inhibition effect on the elongation of the germ tubes of colletotrichum capsici, wherein the synergistic coefficients of the two ratios exceed 1.5, which shows that the combination of the two bactericides has a synergistic effect, and particularly the synergistic effect is most obvious when the combination ratio is 8: 1.
Preparation examples
Example 118% Thiazol-Methylthiozolin-Chlorofloxacin suspoemulsion
4.12g of 97% chlorofluoromethane technical product, dissolving the raw material by using 4g N, N-dimethylformamide, 11g of solvent oil No. 150 and 4g of biodiesel, adding 6g of styrylphenol polyoxyethylene ether, 2.5g of castor oil polyoxyethylene ether and 3g of fatty alcohol polyoxyethylene ether, and uniformly mixing to obtain an oil phase; 2g of ethylene glycol, 0.1g of an organic silicon defoamer and the balance of water are uniformly mixed to form a water phase. Under the condition of shearing the water phase at a high speed, adding the oil phase to obtain the 4 percent chlorofluoromethane aqueous emulsion.
35.56g of 90% thiophanate methyl technical, 6g of lignosulfonate, 8.5g of polycarboxylate, 2g of glycerol, 0.12g of xanthan gum and water till 100 g. The materials are mixed, uniformly mixed by high-speed shearing, and ground in a sand mill for 2-3 hours until the particle size is below 5 mu m, so that the 32% thiophanate-methyl suspending agent can be prepared.
The 18 percent thiophanate-fluroxypyr suspension emulsion is prepared by uniformly mixing 4 percent of the thiophanate-fluroxypyr emulsion in water and 32 percent of the thiophanate-methyl suspension agent according to the ratio of 1: 1.
Example 218% thiophanate-chlorofluoroether azole suspoemulsion.
4.12g of 97% chlorofluoromethane technical product is dissolved by 4g N, N-dimethylformamide and 15g of solvent oil No. 150, 8g of styrylphenol polyoxyethylene ether and 3.5g of castor oil polyoxyethylene ether are added, and the mixture is uniformly mixed to form an oil phase; 2g of ethylene glycol, 0.1g of an organic silicon defoamer and the balance of water are uniformly mixed to form a water phase. Under the condition of shearing the water phase at a high speed, adding the oil phase to obtain the 4 percent chlorofluoromethane aqueous emulsion.
35.56g of 90% thiophanate methyl technical, 6g of lignosulfonate, 8.5g of polycarboxylate, 2g of glycerol, 0.12g of xanthan gum and water till 100 g. The materials are mixed, uniformly mixed by high-speed shearing, and ground in a sand mill for 2-3 hours until the particle size is below 5 mu m, so that the 32% thiophanate-methyl suspending agent can be prepared.
The 18 percent thiophanate-fluroxypyr suspension emulsion is prepared by uniformly mixing 4 percent of the thiophanate-fluroxypyr emulsion in water and 32 percent of the thiophanate-methyl suspension agent according to the ratio of 1: 1.
Example 318% Thiazol-Methylthiozolin-Chlorofloxacin suspension
17.78g of 90% thiophanate methyl technical, 2.06g of 97% chlorofluoromethane technical, 6g of lignosulfonate, 8.5g of polycarboxylate, 2g of glycerol, 0.12g of xanthan gum and water to make up to 100 g. The materials are mixed, uniformly mixed by high-speed shearing, and ground in a sand mill for 2-3 hours until the particle size is below 5 mu m, so that the 18 percent thiophanate-methyl-clofafen-azole suspending agent can be prepared.
Example 4
14% thiophanate-methyl-chlorflufen-flufen-azole suspending agent
13.33g of 90% thiophanate-methyl technical, 2.06g of 97% chlorofluoromethane technical, 6g of lignosulfonate, 8.5g of polycarboxylate, 2g of glycerol, 0.15g of xanthan gum and water to make up to 100 g. The materials are mixed, uniformly mixed by high-speed shearing, and ground in a sand mill for 2-3 hours until the particle size is below 5 mu m, thus preparing the 10 percent thiophanate-methyl-clofafen-azole suspending agent.
Example 518% Thiazol-Chlorofloxacin wettable powder
17.78g of 90% thiophanate-methyl technical, 2.06g of 97% chlorofluoromethane technical, 5g of polycarboxylate, 3g of sodium dodecyl sulfate and the balance of kaolin to 100 g. And (5) performing jet milling to obtain the product.
Example 618% Thiazol-Methylthiozolin-Chlorofloxacin Water dispersible granules
17.78g of 90% thiophanate-methyl technical, 2.06g of 97% chlorofluoromethane technical, 8g of polycarboxylate, 2g of sodium dodecyl sulfate, 1g of ammonium sulfate and the balance of kaolin to 100 g. The materials are uniformly mixed according to the formula, crushed by an ultramicro jet mill, kneaded, extruded, granulated, dried and screened to obtain the product.
Fourth, field test for preventing and controlling pepper anthracnose
The test site is located in the temple village around the high river street in Jinxiang county, Jining, Shandong province, the crop to be tested is pepper, the variety is Jingxin red, the machine sowing is carried out, the growth vigor is good, the test is repeated for 4 times, the tests are randomly arranged in groups, and the area of each cell is 40m2。
Before application, 7 days after the first application and 7 days and 14 days after the second application, randomly selecting 5 points in each cell, investigating the disease degree of 10 pepper fruits at each point, and calculating disease index and control effect.
Grading standard:
level 0: no disease spots;
level 1: the area of the lesion spots accounts for less than 2% of the whole pepper fruit area;
and 3, level: the area of the lesion spots accounts for less than 3-8% of the area of the whole pepper fruit;
and 5, stage: the area of the lesion spots accounts for less than 9-15% of the area of the whole pepper fruit;
and 7, stage: the area of the lesion spots accounts for less than 16-25% of the area of the whole pepper fruit;
and 9, stage: the lesion area accounts for more than 25% of the whole pepper fruit area.
TABLE 3 field control effect of thiophanate methyl and clobetasol on pepper anthracnose
As can be seen from the table 3, the field test shows that the control effect of the thiophanate methyl and clobetasol-meperflutonazole compound preparation on the pepper anthracnose is obviously better than that of a single preparation, and the sterilization effect is increased along with the increase of the dosage. The comparison of all the dosage forms shows that the effect of the suspension emulsion is superior to that of other dosage forms; the control effect of the suspending agent in the embodiment 1 is higher than that of the embodiment 2, and the selection of the auxiliary agent in the preparation can influence the control effect. The control effect of the suspoemulsions of example 1 and example 2 was superior to other dosage forms. In addition, according to field visual inspection, the crops grow normally within the range of the tested dosage, and no phytotoxicity occurs.
Fifth, field test for preventing and controlling cotton anthracnose
The test site is in Suzuki Tokyo of Xiujin county, Dezhou, Shandong province, the crop to be tested is cotton, the variety is Lu cotton No. 12, the machine sowing is carried out, the growth vigor is good, the test is carried out for 4 times repeatedly, the test is randomly arranged in blocks, and the area of each cell is 50m2。
Sowing 3 days after seed dressing treatment, investigating 25 days after sowing, randomly pulling 100 cotton seedlings per cell for investigating, counting the number of the cotton seedlings which are diseased, and calculating the disease incidence and the prevention and treatment effect.
TABLE 4 field control effect of thiophanate methyl and clobetasol on cotton anthracnose
As can be seen from the table 4, the field test shows that the control effect of the thiophanate methyl and clobetasol-meperflutonazole compound preparation on cotton anthracnose is obviously better than that of a single preparation, and the sterilization effect is increased along with the increase of the dosage.
In conclusion, the bactericidal composition containing the chlorofluoromethrin and the thiophanate-methyl can be used for preventing and treating pepper anthracnose and cotton anthracnose, and is safe for target crops, so that the bactericidal composition has a wide application prospect in production practice.
Claims (10)
1. A pesticide composition containing thiophanate methyl and chlorofluoromethane is characterized in that: the effective components are thiophanate-methyl and clobetasol; the weight ratio of thiophanate methyl to chlorofluoromethane is 1: 10-10: 1.
2. The agricultural chemical composition containing thiophanate methyl and meperflutonazole as claimed in claim 1, wherein: the weight ratio of thiophanate methyl to chlorofluoromethane is 3: 1-10: 1.
3. A pesticidal composition comprising thiophanate methyl and clomeprazole according to claim 1 or 2, characterized in that: the weight ratio of thiophanate methyl to chlorofluoromethane is 4: 1-8: 1.
4. The agricultural chemical composition containing thiophanate methyl and meperflutonazole as claimed in claim 1, wherein: the weight ratio of thiophanate methyl to chlorofluoromethane is 8: 1.
5. The agricultural chemical composition containing thiophanate methyl and meperflutonazole as claimed in claim 1, wherein: also comprises agriculturally acceptable auxiliary agents and/or carriers, and is prepared into agriculturally usable dosage forms.
6. The pesticidal composition containing thiophanate methyl and clobetasol as claimed in claim 1 or 5, characterized in that: the weight percentage of the effective components is 1% -80%.
7. The pesticidal composition containing thiophanate methyl and clobetasol as claimed in claim 1 or 5, characterized in that: the pesticide composition is in the dosage forms of suspending agent, suspoemulsion, wettable powder and water dispersible granules.
8. The agricultural chemical composition containing thiophanate methyl and meperflutonazole of claim 7, wherein: the pesticide composition is in the form of a suspoemulsion.
9. Use of a pesticidal composition comprising thiophanate methyl and clobetasol as claimed in claim 1 or 4, characterized in that: is used for preventing and treating pepper anthracnose.
10. Use of a pesticidal composition comprising thiophanate methyl and clobetasol as claimed in claim 1 or 4, characterized in that: is used for preventing and treating cotton anthracnose.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690488A (en) * | 2009-10-16 | 2010-04-07 | 深圳诺普信农化股份有限公司 | Bactericidal composition for agricultural land |
| CN108541711A (en) * | 2018-06-27 | 2018-09-18 | 佛山市瑞生通科技有限公司 | A kind of bactericidal composition of containing chlorine fluorine ether bacterium azoles and fluxapyroxad |
| WO2020030454A1 (en) * | 2018-08-08 | 2020-02-13 | Basf Se | Use of fungicidal active compound i derivative and mixtures thereof in seed application and treatment methods |
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2020
- 2020-03-17 CN CN202010185350.5A patent/CN111296469B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690488A (en) * | 2009-10-16 | 2010-04-07 | 深圳诺普信农化股份有限公司 | Bactericidal composition for agricultural land |
| CN108541711A (en) * | 2018-06-27 | 2018-09-18 | 佛山市瑞生通科技有限公司 | A kind of bactericidal composition of containing chlorine fluorine ether bacterium azoles and fluxapyroxad |
| WO2020030454A1 (en) * | 2018-08-08 | 2020-02-13 | Basf Se | Use of fungicidal active compound i derivative and mixtures thereof in seed application and treatment methods |
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