CN103053539A - Dimoxystrobin and hexaconazole sterilization composition - Google Patents
Dimoxystrobin and hexaconazole sterilization composition Download PDFInfo
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- CN103053539A CN103053539A CN2012105882470A CN201210588247A CN103053539A CN 103053539 A CN103053539 A CN 103053539A CN 2012105882470 A CN2012105882470 A CN 2012105882470A CN 201210588247 A CN201210588247 A CN 201210588247A CN 103053539 A CN103053539 A CN 103053539A
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- dimoxystrobin
- hexaconazole
- azoles alcohol
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- bactericidal composition
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Abstract
The invention relates to a dimoxystrobin and hexaconazole sterilization composition. The dimoxystrobin and hexaconazole sterilization composition comprises active ingredients of dimoxystrobin and hexaconazole. The dimoxystrobin and hexaconazole sterilization composition is used for preventing and treating rice sheath blight. When the dimoxystrobin and the hexaconazole are compounded according to a ratio of 1:3, a great number of field experiments prove that compounding of the dimoxystrobin and the hexaconazole has the high effect of preventing and treating rice sheath blight, and meanwhile, the dimoxystrobin and hexaconazole sterilization composition also has a good effect of treating pyricularia oryzae and is a bactericide worthy of popularization.
Description
Technical field
The present invention relates to a kind of bactericidal composition, active ingredient comprises dimoxystrobin and own azoles alcohol, is used for preventing and treating rice sheath blight disease.
Background technology
Dimoxystrobin, English name: dimoxystrobin pestanal, belong to methoxy acrylic bactericide, be mainly used at present preventing and treating rice blast and banded sclerotial blight.
Own azoles alcohol, English name: hexaconazole belongs to triazole bactericidal agent, sterol demethylation inhibitor, the disease that fungi especially Basidiomycota and Ascomycota are caused has protection and the therapeutic action of broad spectrum activity.Destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ dead, have interior suction, protection and therapeutic activity.Effectively prevent and treat disease due to sac fungi, basidiomycetes and the imperfect fungus, the disease that especially Basidiomycetes and Ascomycetes is caused such as powdery mildew, rust, scab, brown spot, anthracnose etc. have excellent protection and eradicant action.Rice sheath blight disease, rice blast there is good preventive effect.Suitable crop and safety fruit tree such as apple, grape, banana, vegetables (melon and fruit, capsicum etc.), peanut, coffee, cereal crop and ornamental plants etc.Under recommended dose, use, to environment, crop safety, but sometimes some apple variety is had poisoning.
Rice sheath blight disease is commonly called as " flower pedopathy ", is to be infected by Rhizoctonia solani Kuhn to fall ill, and how to occur under high temperature, super-humid conditions.Banded sclerotial blight causes harm seriously at South Rice Region of China, is one of Major Diseases on the current Rice Production.The scab ellipse of leaf sheath, blade or Colaesce are the large spot of moire shape, and scab is blackish green, moistening shape when moist.Scab edge dark brown when dry, middle part olive drab(O．D) be to canescence, causes leaf sheath eventually and blade is withered.Especially the high yield field with dense planting hybrid rice of short stem occurs the most generally and serious, and the withered Seed-Setting Percentage in Rice that causes of blade reduces, and thousand kernel weight alleviates, and generally causes damage 10～20%, and very the person can reach more than 50%.
Summary of the invention
The composite bactericide that the purpose of this invention is to provide a kind of dimoxystrobin and own azoles alcohol is processed into suspending agent, two kinds of formulations of pesticide commonly used of aqua with this bactericide, is mainly used in preventing and treating rice sheath blight disease.
Detect by toxicity, find that dimoxystrobin has very high activity to Rhizoctonia solani Kuhn, according to the composite discovery of certain ratio, the activity of the specific activity single dose of mixture has significant improvement with dimoxystrobin, own azoles alcohol, exists huge exploitation to be worth than single formulation.Find through field trial, the preventive effect of this mix preparation is consistent with the result of indoor detection, and the more similar medicament of the control of rice sheath blight disease is had obvious advantage.
Technical scheme of the present invention: a kind of bactericidal composition, active ingredient is comprised of dimoxystrobin and own azoles alcohol, dimoxystrobin and the ratio of quality and the number of copies of own azoles alcohol in composition are 1:3, are mixed with 40% dimoxystrobin hexaconazole suspending agent and two kinds of pesticidal preparations of 24% dimoxystrobin hexaconazole aqueous emulsion during practical application.
The prescription of preparing 40% dimoxystrobin hexaconazole suspending agent is as follows:
Dimoxystrobin 10%,
Own azoles alcohol 30%,
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 5%,
The 0203B(surfactant) 6%,
White carbon (filler) 5%,
Aluminium-magnesium silicate (suspending agent) 0.4%,
Urea (antifreezing agent) 3%,
Tributyl phosphate (defoamer) 1.5%,
Deionized water complements to 100%,
After the above-mentioned raw materials mixing, emulsification makes 40% dimoxystrobin hexaconazole suspending agent through high speed shear.
The prescription of preparing 24% dimoxystrobin hexaconazole aqueous emulsion is as follows:
Dimoxystrobin 6.0%,
Own azoles alcohol 18.0%,
Oil solvent dimethylbenzene 12.0%,
Farming breast 500 5.0%,
Ethylene glycol 3.0%,
N-butanol 4.0%,
Deionized water complements to 100%.
After the above-mentioned raw materials mixing, emulsification makes 40% dimoxystrobin hexaconazole aqueous emulsion through high speed shear.
Bactericidal composition of the present invention is used for preventing and treating rice sheath blight disease.
Early stage or the use of disease initial stage of origination should occur in disease in bactericidal composition of the present invention when using.
Bactericidal composition of the present invention adopts the method for spraying to use usually, also can adopt as required upper other operation techniques used of agricultural.
Bactericidal composition provided by the invention has following characteristics.
1, bactericidal composition provided by the invention, rice sheath blight disease is shown obvious synergistic effect, and the control efficiency of composition is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, two of bactericidal composition provided by the invention kinds of effective ingredient mechanism of action are different, can overcome the long-term single shortcoming that makes with medicament easily produce resistance, prolong the service life of medicament, to the comprehensive regulation important in inhibiting of disease.
3, the bactericidal composition that provides of the present invention is to crop safety.
Embodiment
In order to understand better essence of the present invention, be described further by following examples, but the present invention is not limited to these embodiment.In these embodiments, unless otherwise indicated, all percentages are mass percent.
Embodiment 1: the colony growth inhibition test.
Test method is carried out with reference to Wu Wenjun " chemical protection of plant experimental technique introduction " (1993).95.4% dimoxystrobin, the former medicine of 95.5% own azoles alcohol are rolled over hundred make 0.8 μ g/mL mother liquor with acetone, Tween-80 respectively afterwards, utilize mother liquor to be mixed with dimoxystrobin, own azoles alcohol mass ratio and be respectively 1:5-5:1, it is dull and stereotyped that gradient is respectively the PDA of 0.02 μ g/mL, 0.04 μ g/mL, 0.08 μ g/mL, 0.16 μ g/mL.The concrete data of result of the test such as table 1.
Table 1, dimoxystrobin, own azoles alcohol indoor antibacterial test data.
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, when CTC≤80 are antagonism, 80 ﹤ CTC ﹤ 120 are summation action, and CTC 〉=120 are synergistic effect.
Suppressing growth test by indoor bacterium colony finds, dimoxystrobin, own azoles alcohol are composite rear to the Rhizoctonia solani Kuhn long synergy inhibitory action that all has of being born according to the ratio of 1:5-5:1, wherein obvious with 1:3 synergy, co-toxicity coefficient is 144.99, the two compound synergic is remarkable, can more effectively suppress the expansion of bacterium colony.
Embodiment 2: prevent and treat the rice sheath blight disease field control effectiveness test.
Reagent agent and dispenser dosage:
(1) 40% dimoxystrobin hexaconazole suspending agent, mu restrains with preparation 10.
(2) 24% dimoxystrobin hexaconazole aqueous emulsions, mu restrains with preparation 20.
Contrast medicament and dispenser dosage:
(3) 24% dimoxystrobin suspending agents, mu restrains with preparation 15.
(4) 5% hexaconazole suspending agents, mu restrains with preparation 80.
Spraying time and application method: the dispenser of rice sheath blight disease their early stage is watered even spraying.
Table 2, prevent and treat the field control effectiveness test result of rice sheath blight disease.
Show by indoor biometrics test and a large amount of outdoor field comparison test, 40% dimoxystrobin hexaconazole suspending agent, 24% dimoxystrobin hexaconazole aqueous emulsion have good control efficiency to Rhizoctonia solani Kuhn, simultaneously rice blast also had preferably control efficiency, so be a kind of pesticide species that is worth of widely use.
Claims (4)
- A dimoxystrobin and own azoles alcohol bactericidal composition, it is characterized in that: active ingredient is comprised of dimoxystrobin and own azoles alcohol.
- Dimoxystrobin according to claim 1 and own azoles alcohol bactericidal composition, it is characterized in that: dimoxystrobin and the ratio of quality and the number of copies of own azoles alcohol in composition are 1:3.
- 3. dimoxystrobin according to claim 1 and 2 and own azoles alcohol bactericidal composition is characterized in that: be mixed with 40% dimoxystrobin hexaconazole suspending agent and two kinds of pesticidal preparations of 24% dimoxystrobin hexaconazole aqueous emulsion during practical application.
- 4. dimoxystrobin according to claim 1 and 2 and own azoles alcohol bactericidal composition is characterized in that be used to preventing and treating rice sheath blight disease.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210588247.0A CN103053539B (en) | 2012-12-29 | 2012-12-29 | Dimoxystrobin and hexaconazole sterilization composition |
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| CN201210588247.0A CN103053539B (en) | 2012-12-29 | 2012-12-29 | Dimoxystrobin and hexaconazole sterilization composition |
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| CN103053539A true CN103053539A (en) | 2013-04-24 |
| CN103053539B CN103053539B (en) | 2014-11-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005032254A1 (en) * | 2003-10-01 | 2005-04-14 | Basf Aktiengesellschaft | Fungicide mixtures for the control of rice pathogens |
| CN102630679A (en) * | 2012-04-05 | 2012-08-15 | 广西田园生化股份有限公司 | Pesticide composition containing orysastrobin |
| CN103651393A (en) * | 2012-09-19 | 2014-03-26 | 陕西美邦农药有限公司 | Bactericidal composition containing dimoxystrobin and triazole |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005032254A1 (en) * | 2003-10-01 | 2005-04-14 | Basf Aktiengesellschaft | Fungicide mixtures for the control of rice pathogens |
| CN102630679A (en) * | 2012-04-05 | 2012-08-15 | 广西田园生化股份有限公司 | Pesticide composition containing orysastrobin |
| CN103651393A (en) * | 2012-09-19 | 2014-03-26 | 陕西美邦农药有限公司 | Bactericidal composition containing dimoxystrobin and triazole |
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| CN103053539B (en) | 2014-11-05 |
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Effective date of registration: 20190823 Address after: 225400 Guoqing East Road D District, Taixing City, Taizhou City, Jiangsu Province Patentee after: Taixing science and technology incubator center Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 24 District Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |
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Effective date of registration: 20191212 Address after: 314000 room 505, building A2, No. 555, Chuangye Road, Dayun Town, Jiashan County, Jiaxing City, Zhejiang Province (application for residence) Patentee after: Zhejiang Aolanding Biotechnology Co., Ltd. Address before: 225400 Guoqing East Road D District, Taixing City, Taizhou City, Jiangsu Province Patentee before: Taixing science and technology incubator center |