CN102696648A - Pesticidal composition comprising prothioconazole and thiram - Google Patents

Pesticidal composition comprising prothioconazole and thiram Download PDF

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Publication number
CN102696648A
CN102696648A CN2012101199206A CN201210119920A CN102696648A CN 102696648 A CN102696648 A CN 102696648A CN 2012101199206 A CN2012101199206 A CN 2012101199206A CN 201210119920 A CN201210119920 A CN 201210119920A CN 102696648 A CN102696648 A CN 102696648A
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China
Prior art keywords
prothioconazoles
tmtd
thiram
pesticidal composition
prothioconazole
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CN2012101199206A
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Inventor
陈佛祥
冷忠国
朱刚
王礼文
蒋全鹏
张志伟
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Guangdong Zhongxun Agri Science Corp
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Guangdong Zhongxun Agri Science Corp
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Priority to CN2012101199206A priority Critical patent/CN102696648A/en
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Abstract

The invention relates to a pesticidal composition comprising prothioconazole and thiram which are effective components. The weight part proportion of the prothioconazole to the thiram is 1:30 to 20:1. After being compounded, the prothioconazole and the thiram have significant synergic effects. The pesticidal composition can be made into wettable powders, water-dispersible granules and suspensions used for preventing and treating cucumber anthracnose. Due to the application of the pesticidal composition, the use amount, the use frequency and the use cost of the pesticide can be reduced. The pesticidal composition is safe to crops.

Description

A kind of composition pesticide that contains prothioconazoles and tmtd
Technical field
The invention belongs to the pesticide sterilizing technical field, be specifically related to the pesticide sterilizing composite that prothioconazoles and tmtd are active ingredient, be used to prevent and treat cucumber anthracnose.
Background technology
Prothioconazoles, english common name: prothioconazole, chemical formula: C14H15Cl2N3OS, chemical name: (RS)-and 2-[2-(1-chlorine cyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl]-2,4-dihydro-1,2,4-triazole-3-thioketones.
Prothioconazoles is a kind of novel triazolinthione series bactericidal agent, is a kind of demethylation inhibitor (DMI), plays the demethylation effect on 14-or-24 methylene lanostenols of precursor-lanosterol of suppressing sterol in the fungi.Through a large amount of field control effectiveness tests, the result shows that prothioconazoles not only has good safety to crop, and it is effective to prevent and treat disease, and raising the output obviously compares with triazole bactericidal agent, and prothioconazoles has the bactericidal activity of wide spectrum, and the lasting period is long.
Tmtd, english common name: thiram, chemical formula C6H12N2S4, chemical name: tetramethyl thiuram disulfide.
Tmtd is a kind of bactericide of tool protective effect, and its has a broad antifungal spectrum is mainly used in and handles seed and soil, the seedling blight of control cereal class smut and various crop.Also can be used for spraying, prevent and treat some fruit trees, vegetable disease.
Cucumber anthracnose is due to being infected by Deuteromycotina fungi Curcurbitaceae thorn dish spore bacterium [colletotrichum gloeosporioides].Cucumber anthracnose all can take place in the phase in whole growth, but the heaviest with the generation of plant strain growth intermediary and later stages, causes fallen leaves withered, fruit rot.
Do not see at present the report of prothioconazoles and tmtd combination control cucumber anthracnose.
Summary of the invention
The purpose of this invention is to provide a kind of efficient, low toxicity, low-residual,, active ingredient good, lower-cost to Environmental compatibility is the composition pesticide of prothioconazoles and tmtd.
The present invention realizes through following technical scheme: the present invention relates to the composition of prothioconazoles and tmtd, the ratio of weight and number of prothioconazoles and tmtd is 1:30~20:1.Prothioconazoles and the tmtd gross mass mark percentage composition in composition is 10%~80%.
Composition pesticide of the present invention adds auxiliary agent and excipients is processed wetting powder, water dispersible granules, suspending agent according to those skilled in the art's production technology.
Said auxiliary agent and excipients comprise antifreeze, antifoaming agent, dispersant, wetting agent, spreader-sticker, filler.
Prothioconazoles of the present invention and tmtd composition pesticide are compared with single product, have the characteristics of binary bactericidal composition; The expanding prevention spectrum has the notable synergistic effect to the cucumber anthrax, has delayed drug-fast generation; Lasting period is long, has reduced dosage and access times, practices thrift cost; Easy to use, reduce pollution to environment.
Embodiment
Below in conjunction with embodiment content of the present invention is done further to detail, mentioned content is not to qualification of the present invention among the embodiment, and material prescription is selected to suit measures to local conditions and the result is not had substantial influence.In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
 
FORMULATION EXAMPLE 1: 50% prothioconazoles thiram wettable powder.
Prothioconazoles 5%, tmtd 45% draws back powder 3%, naphthalenesulfonate formaldehyde condensation compound 6%, talcum powder 15%, kaolin complements to 100%.Above-mentioned prescription got in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make 50% prothioconazoles thiram wettable powder again.
FORMULATION EXAMPLE 2: 60% prothioconazoles tmtd water dispersible granules.
Prothioconazoles 10%, tmtd 50%, lauryl sodium sulfate 6%, dispersant polycarboxylate 4% disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stable meltable property starch 3%, kaolin complements to 100%.Dry pulverization process, granulation, drying, screening preparation system promptly get 60% prothioconazoles tmtd water dispersible granules in proportion with above-mentioned prescription.
FORMULATION EXAMPLE 3: 20% prothioconazoles tmtd suspending agent.
Prothioconazoles 4%, tmtd 16%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, calcium dodecyl benzene sulfonate 3%; APES formaldehyde condensation products sulphate 2%, ethylene glycol 0.2%, xanthan gum 0.1%; Organosilicon 0.4%, glycerine 5%, gum Arabic 0.1%.Deionized water complements to 100%.Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 20% prothioconazoles tmtd suspending agent after high shear mixing.
Biologicall test embodiment 1:Prothioconazoles and tmtd combination are to thorn dish spore bacterium Toxicity Determination.
Test method: with reference to NY/T 1156.6-2006.Promptly take by weighing the former medicine of 98% prothioconazoles of certain mass earlier, add chloroform and fully dissolve; With the former medicine of 95% tmtd; The Tween 80 aqueous solution with 0.1% after adding acetone fully dissolves dilutes; Be mixed with single agent mother liquor respectively; According to the purpose that is mixed serial proportioning is set, each proportioning is provided with 5~7 concentration gradients, adopts mycelial growth inhibition method to carry out the Toxicity Determination of cucumber anthracnose pathogen.Be placed in the aseptic culture case incubated at room temperature 7 days, and calculated control efficiency, then with method of least squares calculate suppress in dense EC 50(95% confidence limit) ,Calculate co-toxicity coefficient (CTC) with the abundant method of Sun Yun again.
Co-toxicity coefficient (CTC)>=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80<co-toxicity coefficient (CTC)<120 shows as summation action.
Actual measurement toxicity index (ATI)=(standard medicament EC 50/ confession reagent agent EC 50) * 100.
Theoretical toxicity index (TTI)=(percentage composition of A in toxicity index * mixture of A)+(percentage composition of B in toxicity index * mixture of B).
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI) the theoretical toxicity index (TTI) of mixture] * 100.
Table 1, prothioconazoles and tmtd are mixed to thorn dish spore bacterium Toxicity Determination result of the test.
Figure 307583DEST_PATH_IMAGE001
Measure the result and see table 1.Can know that by table 1 prothioconazoles and tmtd are that 1:30~20:1 (weight ratio) has synergistic effect to thorn dish spore bacterium at mixed ratio, explain that it is rational that prothioconazoles and tmtd are mixed.
Biologicall test embodiment 2:Prothioconazoles and the experiment of tmtd composition pesticide control cucumber anthracnose field efficacy.
The present invention tests that Lao Keng village, the Ren Shan of Huidong County town carried out in the Huizhou City, Guangdong Province on April 8th, 2011, and the cucumber anthracnose their early stage is converted 45 kilograms of even spraying of water for every mu, dispenser twice altogether, dispenser 7 days at interval, 10 days, 15 days investigation prevention effects behind the last medicine.
Can find out that from result of the test table 2 prothioconazoles of the present invention and tmtd composition pesticide preventive effect are apparently higher than single agent, result of the test fully shows; After prothioconazoles and tmtd are mixed cucumber anthracnose is had obvious synergistic effect, can improve drug effect, reduce the using dosage of agricultural chemicals; Reduce the medication number of times; Reduce drug cost, reduce the adverse effect of agricultural chemicals, be worth further promoting the use of ecotope.
Table 2, prothioconazoles tmtd are to the field control effectiveness test result of cucumber anthrax.
Figure 2012101199206100002DEST_PATH_IMAGE002

Claims (5)

1. composition pesticide that contains prothioconazoles and tmtd, it is characterized in that: active ingredient is prothioconazoles, tmtd.
2. a kind of composition pesticide that contains prothioconazoles and tmtd according to claim 1 is characterized in that: the parts by weight ratio of prothioconazoles and tmtd is 1:30~20:1.
3. a kind of composition pesticide that contains prothioconazoles and tmtd according to claim 1 and 2 is characterized in that: the percentage by weight of weight summation in composition pesticide of prothioconazoles and tmtd is 10%~80%.
4. a kind of composition pesticide that contains prothioconazoles and tmtd according to claim 1, it is characterized in that: described composition pesticide is processed into wetting powder, water dispersible granules, suspending agent.
5. a kind of composition pesticide that contains prothioconazoles and tmtd according to claim 1 is characterized in that being used to prevent and treat cucumber anthracnose.
CN2012101199206A 2012-04-23 2012-04-23 Pesticidal composition comprising prothioconazole and thiram Pending CN102696648A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104904723A (en) * 2014-03-11 2015-09-16 江苏龙灯化学有限公司 a bactericidal composition
JP2020510008A (en) * 2017-03-07 2020-04-02 ユーピーエル リミテッドUpl Limited Fungicide combinations
CN117084252A (en) * 2023-08-21 2023-11-21 安徽众邦生物工程有限公司 A kind of bactericidal composition containing prothioconazole and thiram and its application

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1642423A (en) * 2002-03-21 2005-07-20 巴斯福股份公司 Fungicidal mixtures
CN1930979A (en) * 2005-09-15 2007-03-21 南京第一农药有限公司 Germicide composition containing propiconazol and thiram and its application
CN1994085A (en) * 2006-01-06 2007-07-11 河北省农林科学院植物保护研究所 A compound bactericide for controlling plant powdery mildew
CN101933519A (en) * 2010-09-09 2011-01-05 四川红种子高新农业有限责任公司 Wheat suspended seed coating
CN102258039A (en) * 2011-08-26 2011-11-30 陕西美邦农药有限公司 Bactericidal composition containing prothioconazole and thiocarbamates
CN102265880A (en) * 2011-04-19 2011-12-07 陕西加伦多作物科学有限公司 Hexaconazole.thiram bactericidal composition
CN102511491A (en) * 2011-12-20 2012-06-27 利尔化学股份有限公司 Sterilization composition and application thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1642423A (en) * 2002-03-21 2005-07-20 巴斯福股份公司 Fungicidal mixtures
CN1930979A (en) * 2005-09-15 2007-03-21 南京第一农药有限公司 Germicide composition containing propiconazol and thiram and its application
CN1994085A (en) * 2006-01-06 2007-07-11 河北省农林科学院植物保护研究所 A compound bactericide for controlling plant powdery mildew
CN101933519A (en) * 2010-09-09 2011-01-05 四川红种子高新农业有限责任公司 Wheat suspended seed coating
CN102265880A (en) * 2011-04-19 2011-12-07 陕西加伦多作物科学有限公司 Hexaconazole.thiram bactericidal composition
CN102258039A (en) * 2011-08-26 2011-11-30 陕西美邦农药有限公司 Bactericidal composition containing prothioconazole and thiocarbamates
CN102511491A (en) * 2011-12-20 2012-06-27 利尔化学股份有限公司 Sterilization composition and application thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104904723A (en) * 2014-03-11 2015-09-16 江苏龙灯化学有限公司 a bactericidal composition
JP2020510008A (en) * 2017-03-07 2020-04-02 ユーピーエル リミテッドUpl Limited Fungicide combinations
JP7165665B2 (en) 2017-03-07 2022-11-04 ユーピーエル リミテッド combination of fungicides
CN117084252A (en) * 2023-08-21 2023-11-21 安徽众邦生物工程有限公司 A kind of bactericidal composition containing prothioconazole and thiram and its application
CN117084252B (en) * 2023-08-21 2026-04-10 安徽众邦生物工程有限公司 A fungicidal composition containing prothioconazole and thiram and its application.

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Application publication date: 20121003