CN103651450B - Bactericidal composition containing dimoxystrobin and thiocarbamate - Google Patents
Bactericidal composition containing dimoxystrobin and thiocarbamate Download PDFInfo
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- CN103651450B CN103651450B CN201210342817.8A CN201210342817A CN103651450B CN 103651450 B CN103651450 B CN 103651450B CN 201210342817 A CN201210342817 A CN 201210342817A CN 103651450 B CN103651450 B CN 103651450B
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Abstract
The invention discloses a bactericidal composition containing dimoxystrobin and thiocarbamate, which contains an active component A and an active component B, wherein the active component A is selected from dimoxystrobin; the active component B is selected from any one of mancozeb, polyram, dithane and propineb; and the weight ratio of the active component A to the active component B is 1:80-60:1. The composition disclosed by the invention has higher activity for multiple diseases on multiple crops, and has obvious synergistic action, thereby widening the bactericidal spectrum. The composition has the characteristics of small dosage, rainfall erosion resistance and obvious synergistic action.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application in a kind of bactericidal composition disease containing dimoxystrobin and thiocarbamates.
Technical background
Dimoxystrobin (Dimoxystrobin) molecular formula: C
19h
22n
2o
3chemical name: (E)-2-(methoxyimino) and-N-methyl-2 [a-(2,5-xylyloxy)-o-tolyl] acetamide, dimoxystrobin is the outer inhibitor of quinone, electrical conductivity is hindered, to suppress mitochondrial respiration by acting on Cytochrome bc1 Complex.There is protectiveness, therapeutic and conductivity, suppress spore germination and mycelial growth.
Mancozeb (Mancozeb) chemical name: the complex salt of the two dithiocarbamates formyl manganese of ethylene and zinc.The protective fungicide that fungicidal spectrum is wider.Mainly suppress the oxidation of pyruvic acid in thalline.Effective to multiple diseases such as the anthracnose on fruit tree, vegetables, early blight, its normal and systemic fungicide mixture simultaneously, for the generation of delaying drug resistance.
Carbatene (Metiram) chemical name: two (the two thiocarbamate esters) zinc (2+) of three [ammonia] ethene)] [tetrahydrochysene-Isosorbide-5-Nitrae, 7-bis-thiophene diazocine-3,8-connects dithione], polymer.Protective fungicide, belongs to low-toxin farm chemicals, has good preventive effect to the various diseases that Oomycete fungal causes.
Zineb (Zineb) chemical name: zinc ethylenebisdithiocarbamate.Zineb is the protectant that a kind of foliage spray uses, to many germs as Pseudoperonospora cubensis, late disease bacteria and anthrax bacteria etc. have stronger action of contace poison.To plant safety, active ingredient chemical property is more active, different thiocyanation compound is easily oxidized in water, enzyme cause of disease thalline being included to-SH base has strong inhibitory action, and can directly kill germ spore, suppress the germination of spore, stop in germ invaded plants body, but very little to the mycelial lethal effect of cause of disease in invaded plants body.Therefore, use zineb controlling disease should rest in disease and begin to see that the phase carries out, just can obtain good effect.The drug effect phase of zineb is short, decomposes very fast, about 7 days its longevities of residure after the moisture in solar radiation and absorption air.
Propineb (Propineb) chemical name: acrylic bisdithiocarbamic zinc.Act on the synthesis of fungal cell wall and protein, infecting and sprouting of spore can be suppressed, can mycelial growth be suppressed simultaneously, cause its distortion, death.And this medicine contains and is easy to Zn-ef ficiency absorbed by crops, be conducive to the quality promoting plant growth and improve fruit.
Summary of the invention
The object of the invention is to propose a kind ofly have that synergistic function, use cost are low, preventive effect is good containing the bactericidal composition of dimoxystrobin and thiocarbamates.
A kind of bactericidal composition containing dimoxystrobin and thiocarbamates, containing active components A and active component B, active components A and active component B weight ratio are 1:80 ~ 60:1, described active components A is selected from dimoxystrobin, active component B is selected from the one in mancozeb, Carbatene, zineb, Propineb, and the preferred weight ratio of active components A and active component B is 1:60 ~ 30:1; The weight ratio being more preferably dimoxystrobin and mancozeb is 1:40 ~ 5:1; The weight ratio of dimoxystrobin and Carbatene is 1:40 ~ 4:1; The weight ratio of dimoxystrobin and zineb is 1: 40 ~ 4:1; The weight ratio of dimoxystrobin and Propineb is 1:40 ~ 5:1, and the weight ratio most preferably being dimoxystrobin and mancozeb is 1:20 ~ 1:1; The weight ratio of dimoxystrobin and Carbatene is 1:20 ~ 1:1; The weight ratio of dimoxystrobin and zineb is 1: 20 ~ 1:1; The weight ratio of dimoxystrobin and Propineb is 1:20 ~ 1:1
The described bactericidal composition containing dimoxystrobin and thiocarbamates, makes wetting powder, suspending agent, water dispersible granules, aqueous emulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, can also make microemulsion.When active component B is Propineb, formulation is wetting powder, water dispersible granules.
The described bactericidal composition containing dimoxystrobin and thiocarbamates is for preventing and treating the disease of crops, described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flower crop, medicinal crop, crop, green manure pasture crop, described disease comprises damping off, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, balck shank.
In bactericidal composition of the present invention, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing, then adds surfactant as one or more in dispersant, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.According to different dosage form, in preparation, stabilizing agent known in those skilled in the art, antifreeze etc. can also be contained.
Composition comprises following component and content when making wetting powder: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 1% ~ 50%, active component B 1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 1% ~ 50%, active component B 1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 1% ~ 50%, active component B 1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 1% ~ 50%, active component B 1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1%-12%, wetting agent 1%-8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) fungicidal spectrum is expanded, to multiple diseases as damping off, black spot, mottled rot disease, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin disease, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, balck shank.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Example 1 ~ 15 wetting powder
By dimoxystrobin, active ingredient B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1.
The each component of table 1 example 1 ~ 15 and content
Mancozeb in table, Propineb, zineb, Carbatene are exchanged, new preparation can be obtained.
Example 16 ~ 30 water dispersible granules
Dimoxystrobin, active component B, dispersant, wetting agent, binding agent (can add and can not add), disintegrant, filler are obtained together the particle diameter of needs through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 example 16 ~ 30 and content
Mancozeb in table, Propineb, zineb, Carbatene are exchanged, new preparation can be obtained.
Example 31 ~ 40 suspending agent
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add dimoxystrobin, active component B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 example 31 ~ 40 and content
Example 41 ~ 43 suspension emulsion
By dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) in above-mentioned formulation material, mix through high speed shear, add active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained active component B suspending agent, then by dimoxystrobin, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 4.
The each component of table 4 example 41 ~ 43 and content
Example 44 ~ 49 aqueous emulsion
Dimoxystrobin, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 5.
The each component of table 5 example 44 ~ 49 and content
Example 50 ~ 52 microcapsule suspending agent
By dimoxystrobin, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 6.
The each component of table 6 example 50 ~ 52 and content
Active component B mancozeb, zineb, Carbatene in table 3 ~ 6 are exchanged, can novel formulation be obtained.
Example 53,54 microcapsule suspension-suspendinagent agent
By dimoxystrobin, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 7.
Table 7 example 53,54 each component and content
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: determine that after the effective inhibition concentration scope of each medicament, medicament establishes 5 dosage process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter by right-angled intersection method after 72h, calculate each process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), tries to achieve virulence regression equation (y=a+bx), and calculate the EC of often kind of medicament thus with method of least squares
50value.Calculate two medicament different ratio synergies ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and the ratio of active component B shared by combination;
A is dimoxystrobin;
B is selected from the one in mancozeb, Carbatene, zineb, Propineb.
Application Example two:
For examination disease: cucumber downy mildew
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination dimoxystrobin and mancozeb different ratio mixture.
Toxicity test result
Table 8 dimoxystrobin and the composite toxicity test analysis of results table to cucumber downy mildew of mancozeb
As shown in Table 8, the proportioning of dimoxystrobin and the composite control cucumber downy mildew of mancozeb is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of dimoxystrobin and mancozeb is 1: 40 ~ 4: 1, and synergistic effect is more outstanding, and synergy ratio is all greater than 2.25, when dimoxystrobin and mancozeb weight ratio are 1:12, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding dimoxystrobin and mancozeb is 1 ︰ 40, 1 ︰ 35, 1 ︰ 30, 1 ︰ 25, 1 ︰ 24, 1 ︰ 23, 1 ︰ 22, 1 ︰ 21, 1 ︰ 20, 1 ︰ 19, 1 ︰ 18, 1 ︰ 17, 1 ︰ 16, 1 ︰ 15, 1 ︰ 14, 1 ︰ 13, 1 ︰ 12, 1 ︰ 11, 1 ︰ 10, 1 ︰ 9, 1 ︰ 8, 1 ︰ 7, 1 ︰ 6, 1 ︰ 5, 1:4, 1:3, 1:2, 1 ︰ 1, to damping off during 5 ︰ 1, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, the control of balck shank has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example three:
For examination disease: pear scab
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of Carbatene and the two different ratio mixture
Table 9 dimoxystrobin and the composite toxicity test analysis of results table to pear scab of Carbatene
As shown in Table 9, the proportioning of dimoxystrobin and the composite control pear scab of Carbatene is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of dimoxystrobin and Carbatene is 1: 40 ~ 4: 1, and synergistic effect is more outstanding, and synergy ratio is all greater than 2.30, when dimoxystrobin and Carbatene weight ratio are 1:10, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding dimoxystrobin and Carbatene is 1 ︰ 40, 1 ︰ 35, 1 ︰ 30, 1 ︰ 25, 1 ︰ 24, 1 ︰ 23, 1 ︰ 22, 1 ︰ 21, 1 ︰ 20, 1 ︰ 19, 1 ︰ 18, 1 ︰ 17, 1 ︰ 16, 1 ︰ 15, 1 ︰ 14, 1 ︰ 13, 1 ︰ 12, 1 ︰ 11, 1 ︰ 10, 1 ︰ 9, 1 ︰ 8, 1 ︰ 7, 1 ︰ 6, 1 ︰ 5, 1 ︰ 1, to damping off during 4 ︰ 1, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, the control of balck shank has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example four:
For examination disease: downy mildew of garpe
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of zineb and the two different ratio mixture.
Table 10 dimoxystrobin and the composite toxicity test analysis of results table to downy mildew of garpe of zineb
As shown in Table 10, dimoxystrobin and the composite proportioning of preventing and treating downy mildew of garpe of zineb are when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of dimoxystrobin and zineb is 1: 40 ~ 4: 1, and synergistic effect is more outstanding, and synergy ratio is all greater than 2.25, when dimoxystrobin and zineb weight ratio are 1:10, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding dimoxystrobin and zineb is 1:40, 1 ︰ 35, 1 ︰ 30, 1 ︰ 25, 1 ︰ 24, 1 ︰ 23, 1 ︰ 22, 1 ︰ 21, 1 ︰ 20, 1 ︰ 19, 1 ︰ 18, 1 ︰ 17, 1 ︰ 16, 1 ︰ 15, 1 ︰ 14, 1 ︰ 13, 1 ︰ 12, 1 ︰ 11, 1 ︰ 10, 1 ︰ 9, 1 ︰ 8, 1 ︰ 7, 1 ︰ 6, 1 ︰ 5, 1 ︰ 1, to damping off during 4 ︰ 1, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, the control of balck shank has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example five:
For examination disease: tomato blight
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of Propineb and the two different ratio mixture.
Table 11 dimoxystrobin and the composite toxicity test analysis of results table to tomato blight of Propineb
As shown in Table 11, the proportioning of dimoxystrobin and the composite control tomato blight of Propineb is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of dimoxystrobin and Propineb is 1: 40 ~ 4: 1, and synergistic effect is more outstanding, and synergy ratio is all greater than 2.25, when dimoxystrobin and Propineb weight ratio are 1:12, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding dimoxystrobin and Propineb is 1 ︰ 40, 1 ︰ 35, 1 ︰ 30, 1 ︰ 25, 1 ︰ 24, 1 ︰ 23, 1 ︰ 22, 1 ︰ 21, 1 ︰ 20, 1 ︰ 19, 1 ︰ 18, 1 ︰ 17, 1 ︰ 16, 1 ︰ 15, 1 ︰ 14, 1 ︰ 13, 1 ︰ 12, 1 ︰ 11, 1 ︰ 10, 1 ︰ 9, 1 ︰ 8, 1 ︰ 7, 1 ︰ 6, 1 ︰ 5, 1:4, 1:3, 1:2, 1 ︰ 1, to damping off during 5 ︰ 1, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, the control of balck shank has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example six: dimoxystrobin and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This experimental establishment is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation tomato blight state of an illness before medicine, in the first time dispenser of state of an illness initial stage, altogether dispenser 1 time.Within after dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 12 dimoxystrobin and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 12, dimoxystrobin and active component B and composite after effectively can prevent and treat tomato blight, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat graw mold of tomato, leaf mold, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example seven: dimoxystrobin and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
This experimental establishment is in Weinan City suburb, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation downy mildew of garpe state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 13 dimoxystrobin and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 13, dimoxystrobin and active component B and composite after effectively can prevent and treat downy mildew of garpe, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat grape powdery mildew, white rot, anthrachose of grape, damping off, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example eight: dimoxystrobin and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is in Weinan city Linwei district, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation cucumber downy mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 14 dimoxystrobin and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 14, dimoxystrobin and active component B and composite after effectively can prevent and treat cucumber downy mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine: dimoxystrobin and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This experimental establishment Xi'an City, Shanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation tea wheat powdery mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 15 dimoxystrobin and active component B and the composite anti-wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 15, dimoxystrobin and active component B and composite after effectively can prevent and treat wheat powdery mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine: dimoxystrobin and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Weinan City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation alternaria leaf spot of apple state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 16 dimoxystrobin and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 16, dimoxystrobin and active component B and composite after effectively can prevent and treat alternaria leaf spot of apple, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat apple anthracnose, ring spot, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example ten: dimoxystrobin and active component B and the composite control pear scab test of pesticide effectiveness thereof
This experimental establishment is in Weinan City Pucheng County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, and contrasts 20% dimoxystrobin suspending agent (autogamy), 80% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 60% Zineb wettable powder (commercial), 70% Wettable propineb powder (commercial).
The investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 3 times.Within after third time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 17 dimoxystrobin and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 17, dimoxystrobin and active component B and composite after effectively can prevent and treat pear scab, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat pear tree black spot, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, dimoxystrobin and mancozeb, Carbatene, zineb, Propineb is composite rear to the damping off in various crop, black spot, mottled rot is sick, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin is sick, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, the preventive effect of the Common Diseases such as balck shank is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the bactericidal composition of dimoxystrobin and thiocarbamates, it is characterized in that: effective active composition is active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, and described active components A is dimoxystrobin, and active component B is Propineb.
2. the bactericidal composition containing dimoxystrobin and thiocarbamates according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1: 60 ~ 30: 1.
3. the bactericidal composition containing dimoxystrobin and thiocarbamates according to claim 2, is characterized in that: the weight ratio of dimoxystrobin and Propineb is 1: 40 ~ 5: 1.
4., according to the bactericidal composition containing dimoxystrobin and thiocarbamates in claims 1 to 3 described in any one, it is characterized in that: composition makes wetting powder, suspending agent, water dispersible granules, microemulsion, aqueous emulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the bactericidal composition containing dimoxystrobin and thiocarbamates according to claim 4 is for preventing and treating the application of corps diseases.
6. application according to claim 5, is characterized in that: described disease is damping off, black spot, mottled rot disease, leaf spot, rust, downy mildew, gray mold, leaf mold, epidemic disease, anthracnose, shot hole, resin disease, canker, brown spot, scab, root rot, peronospora tabacina, stem wilt, spot defoliation, blossom rot, white rot, powdery mildew, zonate spot, ring spot, anthrachose of grape, bakanae disease, rust, stalk break, balck shank.
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