CN105766961A - Fungicide composition containing pyrazoles compound and imidazoles compound - Google Patents

Fungicide composition containing pyrazoles compound and imidazoles compound Download PDF

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CN105766961A
CN105766961A CN201610206764.5A CN201610206764A CN105766961A CN 105766961 A CN105766961 A CN 105766961A CN 201610206764 A CN201610206764 A CN 201610206764A CN 105766961 A CN105766961 A CN 105766961A
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fungicidal composition
compound
active components
kinds
component
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CN105766961B (en
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单中刚
李志念
周继中
司乃国
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Shenyang Sinochem Agrochemicals R&D Co Ltd
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Shenyang Sinochem Agrochemicals R&D Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/10Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/24Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/74Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
    • A01N43/781,3-Thiazoles; Hydrogenated 1,3-thiazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/10Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/18Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/34Ureas 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof

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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)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a fungicide composition containing a pyrazoles compound and an imidazoles compound. The fungicide composition comprises two active components A and B, wherein the component A is selected from any one of the pyrazoles compounds shown as the following formulas in the specification, wherein R1 is equal to H, 2-Cl, 2CH3, 2-OH, 4-Cl, 4-CH3, 4-OCH3, 4-OH, 2,4-2Cl and 2,4-2CH3; R2 is equal to CH3 and C2H5; R3 is equal to H, Cl, CH3 and C2H5; Q is equal to the formula shown in the specification; and the component B is selected from an imidazoles sterilization agent or salt thereof. The fungicide composition disclosed by the invention is particularly suitable for preventing and treating a plurality of types of leaf pot type plant pathogenic fungus diseases, such as black rot, brown blotch, anthracnose, early blight, physalospora piricola and alternaria blotch.

Description

A kind of Fungicidal composition containing pyrazole compound Yu glyoxaline compound
The application is the divisional application of Chinese invention patent application, the applying date of original application: on JIUYUE 28th, 2012, Shen Please number: 201210370745.8, invention and created name: a kind of antifungal containing pyrazole compound Yu glyoxaline compound Compositions, publication number: CN103704237A;Owing to original application exists the unicity problem that auditor points out, applicant carries Go out this divisional application.
Technical field
The invention belongs to disinfectant use in agriculture field, relate to the double activated component agricultural bactericidal mixture preparation containing pyrazole compound Research, be specifically related to a kind of Fungicidal composition containing pyrazole compound Yu glyoxaline compound.
Background technology
Antibacterial pyraoxystrobin has efficiently, the bactericidal activity of wide spectrum, and structural formula of compound is as follows:
In the further research process of this compound, inventor finds the system of above-claimed cpd (and general formula compound) The isomer generated during Bei and the like (compound as shown in formula I) is except to rice blast, powdery mildew, rust The fungal diseases such as disease, banded sclerotial blight, downy mildew have outside good prevention effect, to melasma, brown spot, anthrax, The tikka type fungal diseases such as early blight, ring spot, spot defoliation also have good prevention effect.
In formula: R1Selected from H, 2-Cl, 2-CH3、2-OH、4-Cl、4-CH3、4-OCH3、4-OH、2,4-2Cl Or 2,4-2CH3;R2Selected from CH3Or C2H5;R3Selected from H, Cl, CH3Or C2H5;Q is selected from the following institute of structure The Q shown1、Q2Or Q3:
Antibacterial uses history to show, reuses same class medicament for a long time, easily makes the part bacterial strain of disease produce drug resistance Property, and make drug effect be decreased obviously.By the antimicrobial combination with the different mechanism of action is used, sometimes can expand medicament Fungicidal spectrum, delay the drug-fast generation of pathogen, play the potentiation of combination medicament, extend the use of medicament Life-span.
Summary of the invention
It is an object of the invention to provide a kind of containing pyrazole compound the killing as one of active component shown in formula I Epiphyte composition, with improve to corps diseases, especially for plant melasma, brown spot, anthrax, early blight, Ring spot, the prevention effect of spot defoliation.
By lot of experiments and research, inventor determines with pyrazole compound and glyoxaline compound or its salt as activity The mixed ratio that the Fungicidal composition of component is suitable, has obtained a kind of Fungicidal composition with potentiation, thus Achieve the purpose of the present invention, complete the present invention.
Technical scheme is as follows:
A kind of Fungicidal composition, containing two kinds of active components of A, B, the weight between component A and component B two component Ratio is 1:100~100:1;In compositions, the weight content of active component is 0.1~95%;
Component A is selected from the compound shown in below formula I:
In formula: R1Selected from H, 2-Cl, 2-CH3、2-OH、4-Cl、4-CH3、4-OCH3、4-OH、2,4-2Cl Or 2,4-2CH3;R2Selected from CH3Or C2H5;R3Selected from H, Cl, CH3Or C2H5;Q is selected from the following institute of structure The Q shown1、Q2Or Q3:
Component B is selected from imidazoles antibacterial or its salt;Described imidazoles antibacterial is selected from carbendazim B1, methyl sulfur bacterium Spirit B2, Prochloraz B3, probenazole B4, benomyl B5, furidazol B6, dislike imidazoles B7, blue or green bacterium spirit B8 or Thiophanate B9.
Biological activity test result shows, the compound A1 in component A is compared with the outstanding antibacterial kind that other are conventional (i.e. R in formula I1=H, R2=CH3、R3=CH3, Q=Q1Compound) various crop disease is shown more Excellent bactericidal effect, part contrast test the results are shown in Table 1~10.
Table 1 pyrazole compound A1 preventing and treating cucumber downy mildew effect (potted plant seedling)
Table 2 pyrazole compound A1 is to Phytophthora infestans pathogenic bacteria Sporangium Germination suppression effect
Table 3 pyrazole compound A1 preventing and treating wheat powdery mildew effect (potted plant seedling)
Table 4 pyrazole compound A1 preventing and treating cucumber anthracnose effect (potted plant seedling)
Table 5 pyrazole compound A1 preventing and treating Bean rust disease effect (potted plant seedling)
Table 6 pyrazole compound A1 is to magnaporthe grisea spore Germination suppression effect
Table 7 pyrazole compound A1 preventing and treating Fructus Cucumidis sativi melasma effect (potted plant seedling)
Table 8 pyrazole compound A1 preventing and treating cucumber anthracnose effect (potted plant seedling)
Table 9 pyrazole compound A1 is to early blight of tomato effect (potted plant seedling)
The table 10 pyrazole compound A1 inhibitory action (mycelial growth inhibition rate) to spot defoliation
Therefore, the present invention more preferably technical scheme is: in above-mentioned Fungicidal composition, and active component A is selected from compound A1, structural formula is as follows:
The further preferred technical scheme of the present invention is: in described Fungicidal composition, and active component A is selected from compound A1;Active component B is selected from imidazoles antibacterial or its salt;Described imidazoles antibacterial is selected from carbendazim B1, methyl Thiophanate B2, Prochloraz B3, probenazole B4, benomyl B5 or furidazol B6;Two kinds of active components of A, B it Between weight ratio be 1:50~50:1.
The present invention further preferably technical scheme is: in described Fungicidal composition, active component A is selected from chemical combination Thing A1;Active component B is selected from carbendazim B1, thiophanate-methyl B2, Prochloraz B3 or probenazole B4;A、B Weight ratio between two kinds of active components is 1:20~20:1.
Present composition synergistic function is obvious, the tikka type disease especially vegetable category causing multiple pathogenic fungi (Fructus Cucumidis sativi, Citrullus vulgaris, Fructus Lycopersici esculenti, Fructus Capsici, Kidney bean etc.), fruit tree (Fructus Mali pumilae, pears, Citrus etc.), oil crop (Semen arachidis hypogaeae, Semen sojae atricolor etc.) and Fructus Vitis viniferae in melasma, brown spot, anthrax, early blight, ring spot, spot defoliation etc. have Well prevention effect.Therefore, technical scheme also includes that said composition is used as the purposes of antifungal, as Prepare the medicine of antifungal.
When preparing the present composition, other active substance effective to harmful organism can be added thereto to, or have Herbicide effect and the active substance of growth regulating effect or fertilizer.
Present invention additionally comprises the using method of above-mentioned composition preventing and treating harmful fungoid.Component A and at least one component B according to The appropriate proportioning that the present invention provides prepares in advance or is using extemporaneous preparation or individually using successively, all presents aobvious The protection effect write or obvious expansion disease control kind.
Fungicidal composition of the present invention is particularly suitable for preventing and treating following tikka type plant disease: Fructus Cucumidis sativi melasma, cucumber anthracnose, Citrullus vulgaris melasma, watermelon anthrax, anthracnose of tomato, early blight of tomato, pepper anthracnose, bean anthracnose, Fructus Mali pumilae Melasma, ring rot of apple, alternaria leaf spot of apple, Pear black spot, pears anthrax, citrus anthracnose, Semen arachidis hypogaeae are black Pinta, the cercospora brown spot of peanut, Semen sojae atricolor melasma, Soybean Brown Spot pinta, brown spot of grape, bitter rot or anthracnose of grape.
According to the occurrence degree of corps diseases, the concentration of the present composition in proportion of crop planting region is 5~1500g/hm2, preferably 20~500g/hm2
The Fungicidal composition of the present invention can be processed into the aqueous suspension agent directly used or use after dilution or oil-suspending agent, Can the multiple dosage form such as wet-milling and powder, cream, aqueous emulsion, microemulsion, liquor, paste, unguentum, granule.Respectively In the case of Zhong, use and ensure the fine and equally distributed preparation of the present composition.Above-mentioned various preparation can use conventional method Preparation.Such as active component is mixed with solvent and/or carrier and prepares, if desired can add emulsifying agent, dispersant, wet Auxiliary agent and the surfactants such as profit agent.
Suitably solvent or auxiliary agent be mainly water, benzene, dimethylbenzene, toluene, alkylbenzene, aliphatic hydrocarbon, alcohols, esters, Ketone, also vegetable oil and the molten fiber of methyl.Meanwhile, the mixture of different liquids is also applicable.
Suitably surfactant be lignin sulfonic acid, LOMAR PWA EINECS 246-676-2, phenolsulfonic acid, the alkali metal salt of dibutyl naphthalenesulfonic acid, Alkali salt and ammonium salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, aliphatic alcohol sulfate etc..
Suitably wetting agent be sodium laurylsulfate, sodium lauryl sulphate, dodecyl sodium sulfate, sodium alkyl benzene sulfonate, Negel, sorbitan fatty acid ester polyoxyethylene ether etc..
Powder formulation active substance can be mixed with solid carrier or together with grind and prepare.
Granular preparation can be prepared by making active component adhere to solid carrier.
The present composition can be made into containing 0.1~the preparation of 95% (weight) active component, preferably comprises 5~80% (weight Amount) preparation of active component.
The example of preparing of certain formulations is listed below, and wherein said active component is in the Fungicidal composition of the present invention Pyrazole compound A and glyoxaline compound B, the suitable proportion between two kinds of active components of A, B is as previously mentioned.
Soluble liquid (SL)
10 parts of (weight ratio, lower same) active components are dissolved in water or water-soluble solvent, are configured to liquid preparation.Use water Dilution obtains dispersion, for stem and leaf spraying or soil pouring.
Dispersible agent (DC)
20 parts of active components it is dissolved in Ketohexamethylene and adds polyethylene base ketopyrrolidine, being configured to liquid preparation.Dilute with water Release and obtain dispersion, for stem and leaf spraying or soil pouring.
Cream (EC)
30 parts of active components are dissolved in dimethylbenzene and add calcium dodecyl benzene sulfonate and castor oil ethoxylate, preparation Become homogeneous liquid preparation.Dilute with water obtains emulsion, for stem and leaf spraying or soil pouring.
Aqueous emulsion (EW)
25 parts of active components are dissolved in dimethylbenzene and add calcium dodecyl benzene sulfonate and castor oil ethoxylate, by Said composition is introduced in water by emulsator, is configured to liquid preparation.Dilute with water obtains emulsion, for stem and leaf spraying or soil Earth waters.
Suspending agent (SC)
In the ball mill of stirring, dispersant, wetting agent and water or organic solvent are pulverized and added to 20 parts of active components, Obtain active component suspension in small, broken bits.Dilute with water obtains suspension, for stem and leaf spraying or soil pouring.
Water dispersible granules (WG)
By 50 parts of active component grindings in small, broken bits and add dispersant and wetting agent, by extruder, spray tower, fluid bed, Make water dispersible or water-soluble granular.Dilute with water obtains dispersion or solution, for stem and leaf spraying or soil pouring.
Wettable powder (WP)
Dispersant, wetting agent and silica gel are ground and added to 75 parts of active components in rotor-stator grinder, makes powder Powder preparation.Dilute with water obtains dispersion or solution, for stem and leaf spraying or soil pouring.
Powder (DP)
5 parts of active component grindings in small, broken bits the Kaolin in small, broken bits with 95 parts are sufficiently mixed the powder obtaining can be used directly.
Granule (GR)
By 0.5 part of active component grinding in small, broken bits and combine the carrier of 99.5 parts, extruded machine, spray dryer, obtain granule Agent.
Active component can directly or with its preparation by spraying, atomization, dusting, broadcast sowing or pouring type uses.Separately Outward, polytype oil, wetting agent, adjuvant, herbicide, antifungal, other pesticide can add present invention combination In thing.These compositions generally mix with the weight ratio of 1:30~30:1 with the present composition.
The Fungicidal composition of the present invention has good synergistic function, hence it is evident that improves the preventing and treating to corps diseases and imitates Really.The present invention is to be used by the antimicrobial combination with the different mechanism of action, the most not only expands the fungicidal spectrum of medicament, and And the drug-fast generation of pathogen can be delayed, extend the service life of medicament.In agricultural production, two kinds are killed The suitable proportion that microbial inoculum proposes according to the present invention is used together, it is possible to reach the effect of saving of work and time.
Detailed description of the invention
The synergistic function of harmful fungoid can be described further by the present composition by the following example, but this Bright it is only limitted to absolutely not this.The pyrazole compound that wherein said active component is in the Fungicidal composition of the present invention it The compound A1 of one and imidazoles part antibacterial B.
Method of testing and evaluation methodology are as follows:
By reactive compound sample with acetone solution (amounts of acetone equals to or less than 0.05 with the volume ratio of spouting liquid), with containing The water having 0.1% Tween 80 dilutes, and is configured to desired concn liquid to be measured, another by the liquid to be measured setting proportions compositions. On crops sprayer, liquid to be measured is sprayed on disease host plant, after 24 hours, carry out disease inoculation.According to disease Feature, it would be desirable to be placed in climatic chamber cultivation after the disease plant inoculating that temperature control moisturizing is cultivated, after disease completes to infect, Move into hot-house culture.After compareing fully morbidity, measure pathogen and infect Crop leaf area percent, use Abbot public Formula calculate, i.e. obtain observe effect (W):
W=(1-α/β) × 100
In formula:
α: process the fungal infection percent of crop;
β: the fungal infection percent of untreated (blank) crop;
Effect process for " 0 " expression the level that infects and the untreated control crop of crop to infect level identical;Effect is " 100 " expression processes crop and is not infected.
The expection effect (calculating effect) of compositions use Colby formula (see R.S.Colby, weeds (Weeds), 1967, 15,20-22) determine, and compare with observing effect.
E=X+Y XY/100
In formula:
E: concentration is the expection effect (meter in following table during the compositions of the active component A of a and b and B Calculate effect), represent with the % of untreated control;
X: concentration is the effect during active component A of a, represents with the % of untreated control;
Y: concentration is effect during active component B of b, represents with the % of untreated control.
When observing effect value more than calculating effect value, represent that compositions has potentiation;When observing effect value equal to meter When calculating effect value, expression compositions is adduction;When observing effect value less than calculating effect value, represent that compositions is Antagonism.
Embodiment 1 prevents and treats the test of Fructus Cucumidis sativi melasma
By the aqueous solution (concentration is as described below) of potted plant two panels phase cucumber seedling active component that kind is " the close thorn in Xintai City " Spraying treatment, after 24 hours, inoculates test plants with the spore suspension of Fructus Cucumidis sativi alternaria.Test plants is placed in temperature The climatic chamber that degree is 25 ± 2 DEG C and relative humidity is 90 ± 5% is cultivated, after 24 hours, moves into greenhouse normal management.5 After it, measure the development degree of infection process on blade.Each independent active component and present composition preventing and treating Fructus Cucumidis sativi black speck Sick activity data the results are shown in Table 11 and table 12.The observation effect value of compositions is all higher than calculating effect value, and compositions exists Potentiation is shown as in test ratio range.
The activity of the independent active component of table 11
The activity of table 12 present composition
Embodiment 2 prevents and treats pepper anthracnose test
By the aqueous solution (concentration is as described below) of potted plant two leaf phase pepper seedling active components that kind is " the Liao Dynasty green pepper No. 4 " Spraying treatment, after 24 hours, inoculates test plants with the spore suspension of Colletotrichum capsici.Test plants is placed in temperature The climatic chamber that degree is 24 ± 2 DEG C and relative humidity is 90 ± 5% is cultivated, after 24 hours, moves into greenhouse normal management.4 After it, measure the development degree of infection process on blade.Each independent active component and present composition preventing and treating Fructus Capsici anthrax Sick activity data the results are shown in Table 13 and table 14.The observation effect value of compositions is all higher than calculating effect value, and compositions exists Potentiation is shown as in test ratio range.
The activity of the independent active component of table 13
The activity of table 14 present composition
Embodiment 3 prevents and treats alternaria leaf spot of apple test
This test uses containing toxic medium method, i.e. presses design concentration, is joined by sample in the PDA cultivation melted, system Become toxic flat board, then inoculate Alternaria mali, be placed in 25 ± 1 DEG C of cultivations in constant incubator.4 days After, measure colony diameter, calculate bacteriostasis rate with following formula, obtain observing effect.
Bacteriostasis rate (%)=(comparison colony diameter-process colony diameter)/comparison colony diameter × 100%
The activity data of each single active component and present composition preventing and treating alternaria leaf spot of apple the results are shown in Table 15 Hes Table 16.The observation effect value of compositions is all higher than calculating effect value, and compositions shows as potentiation in test ratio range and makees With.
The activity of the independent active component of table 15
The activity of table 16 present composition
Embodiment 4 prevents and treats early blight of tomato test
Aqueous solution (concentration is as described below) spray by tomato seedling active component in kind is " powder Taro " potted plant tri-leaf period Mist processes, and after 24 hours, is inoculated in test plants with the spore suspension of tomato early blight bacterium.Test plants is placed in 24~26 DEG C is to cultivate in 90 ± 5% climatic chambers with relative humidity, after 24 hours, moves into greenhouse normal management.After 5 days, Measure the development degree of infection process on blade.Each single active component and the present composition prevent and treat early blight of tomato Activity data the results are shown in Table 17 and table 18.The observation effect value of compositions is all higher than calculating effect value, and compositions is in test Potentiation is shown as in ratio range.
The activity of the independent active component of table 17
The activity of table 18 present composition

Claims (10)

1. a Fungicidal composition, it is characterised in that: compositions contains two kinds of active components of A, B, active component A Structural formula as follows: component A be selected from the compound shown in below formula I:
In formula: R1Selected from H, 2-Cl, 2-CH3、2-OH、4-Cl、4-CH3、4-OCH3、4-OH、2,4-2Cl Or 2,4-2CH3;R2Selected from CH3Or C2H5;R3Selected from H, Cl, CH3Or C2H5;Q is selected from the following institute of structure The Q shown1、Q2Or Q3:
Active component B is selected from imidazoles antibacterial or its salt;Described imidazoles antibacterial selected from thiophanate-methyl B2, Prochloraz B3, probenazole B4, benomyl B5, furidazol B6, evil imidazoles B7, blue or green bacterium spirit B8 or thiophanate B9;Weight ratio between two kinds of active components of A, B is 1:50~50:1.
Fungicidal composition the most according to claim 1, it is characterised in that: described Q is Q1.
Fungicidal composition the most according to claim 1, it is characterised in that: in above-mentioned Fungicidal composition, activity Component A is selected from compound A1, and the structural formula of A1 is as follows:
4. according to the Fungicidal composition described in claim 1,2 and 3 any bar, it is characterised in that: described compositions Containing two kinds of active components of A, B, active component B is selected from thiophanate-methyl B2 or Prochloraz B3.
Fungicidal composition the most according to claim 4, it is characterised in that: two kinds of active components of described A, B it Between weight ratio be 1:20~20:1.
Fungicidal composition the most according to claim 5, it is characterised in that: two kinds of active components of described A, B it Between weight ratio be 1:10~10:1.
Fungicidal composition the most according to claim 6, it is characterised in that: two kinds of active components of described A, B it Between weight ratio be 1:5~5:1.
Fungicidal composition the most according to claim 1, it is characterised in that: compositions is configured to aqueous suspension agent, oil Suspending agent, can wet-milling and powder, cream, aqueous emulsion, microemulsion, soluble liquid, paste, unguentum or granule.
9. the purposes of the Fungicidal composition described in claim 1, it is characterised in that: described compositions is killed as preparation The medicine of epiphyte pharmaceutical, is used for preventing and treating tikka type plant pathogenic fungi disease.
The purposes of Fungicidal composition the most according to claim 9, it is characterised in that: described tikka type phytopathy Pathogenic fungi disease is plant melasma, brown spot, anthrax, early blight, ring spot or spot defoliation.
CN201610206764.5A 2012-09-28 2012-09-28 A kind of Fungicidal composition containing pyrazole compound and glyoxaline compound Active CN105766961B (en)

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EP1952691A2 (en) * 2007-01-31 2008-08-06 Basf Se Method for improving plant health by application of a triazolopyrimidine derivative
CN101524082A (en) * 2009-04-28 2009-09-09 北京燕化永乐农药有限公司 Pyraclostrobin and prochloraz pesticide mixture
CN101755785A (en) * 2009-12-21 2010-06-30 陈章艳 Bactericide composition containing famoxadone
JP2010159277A (en) * 2010-03-04 2010-07-22 Sumitomo Chemical Co Ltd Pest controlling composition, and method for controlling pest
CN101810190A (en) * 2010-05-13 2010-08-25 江苏省绿盾植保农药实验有限公司 Pyrazole kresoxim and thiophanate-methyl composite fungicide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1952691A2 (en) * 2007-01-31 2008-08-06 Basf Se Method for improving plant health by application of a triazolopyrimidine derivative
CN101524082A (en) * 2009-04-28 2009-09-09 北京燕化永乐农药有限公司 Pyraclostrobin and prochloraz pesticide mixture
CN101755785A (en) * 2009-12-21 2010-06-30 陈章艳 Bactericide composition containing famoxadone
JP2010159277A (en) * 2010-03-04 2010-07-22 Sumitomo Chemical Co Ltd Pest controlling composition, and method for controlling pest
CN101810190A (en) * 2010-05-13 2010-08-25 江苏省绿盾植保农药实验有限公司 Pyrazole kresoxim and thiophanate-methyl composite fungicide

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