CN102077831A - Sterilizing composition containing thifluzamide and ethylenebisdithiocarbomate - Google Patents
Sterilizing composition containing thifluzamide and ethylenebisdithiocarbomate Download PDFInfo
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- CN102077831A CN102077831A CN2011100244943A CN201110024494A CN102077831A CN 102077831 A CN102077831 A CN 102077831A CN 2011100244943 A CN2011100244943 A CN 2011100244943A CN 201110024494 A CN201110024494 A CN 201110024494A CN 102077831 A CN102077831 A CN 102077831A
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Abstract
The invention relates to a sterilizing composition in the field of pesticide compounding, the effective components of the sterilizing composition of thifluzamide and ethylenebisdithiocarbomate are compounded, the weight percent ratio of the two effective components is (80-1): (1-85), preferably, (40-1): (1-65); the total mass percent content of the effective components in the sterilizing composition is 1-90 percent, preferably 5-65 percent, wherein the balance is allowably used and acceptable auxiliary parts in the pesticide. The sterilizing composition can be prepared into wettable powder, a suspending agent, powder, microemulsion, emulsion in water and water dispersible granules by adopting a known method. The sterilizing composition with the thifluzamide and the ethylenebisdithiocarbomate as the effective components can be used for controlling bacterial and fungous diseases on multiple plants such as vegetable, fruit trees, grains, ornamental plants and the like.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, be specifically related to a kind of with one of any in thifluzamide and generation gloomy compounds zineb, Propineb, Carbatene, the mancozeb be two yuan of composite bactericidal compositions of active ingredient.
Background technology
Thifluzamide, English name thifluzamie, chemical name: 2 ', 6 '-two bromo-2-methyl-4 '-three furan methoxyl group-4-three furan methyl isophthalic acids, 3-thiadiazoles-5-hydroxyl anilide; The thiophene methuroxam, chemical structural formula:
Thifluzamide; belong to the thifluzamide series bactericidal agent and have strong interior conductivity and the long lasting effect of inhaling; it is the succinate dehydrogenase inhibitor; by suppressing mitochondrial succinate ester dehydrase; hinder tricarbonic acid cycle; make amino acid; sugar lacks energy to be reduced; the division of interference cell and growth; disease there is neural activity, suppresses spore germination; the bacterium pipe extends; mycelial growth and spore mother cell form the Main Stage of conk and breeding, and bactericidal action is directly caused by the parent active substance; there is not corresponding metabolic activity; have protection and therapeutic action, absorb the back and in plant, shift the distribution leaf by the blade face infiltration; flower; really.Be mainly used in the control of rice sheath blight disease at present.This compound effects mode is single, uses pesticide resistance risk height separately.
Zineb is the protectiveness organophosphorus fungicide, the formal name used at school zinc ethylene bisdithiocarbamate, be mainly used in the blade face protection, can prevent and treat multiple fungus-caused disease, be broad-spectrum germicide, can prevent and treat the multiple diseases of paddy rice, fruit tree, vegetables and tobacco, as tomato blight, anthracnose, ring spot; Brassicaceous vegetable and beans soft rot, anthracnose, soybean rust; The scab of pears, apple; Anthracnose of tobacco, rust; Wheat rust; Rice sheath blight disease etc.
Propineb is a kind of wide spectrum, quick-acting protective fungicide; be applicable to Chinese cabbage downy mildew, cucumber downy mildew, the tomato sick control such as late blight, mango anthracnose early of tomato, Chinese cabbage, cucumber, mango and flowers and other crops; downy mildew of crops such as vegetables, tobacco, lupulus and morning, the late blight of tomato and potato all there are good protective action, and the germ disease of powdery mildew, rust and Botrytis is also had certain inhibitory action.
Carbatene (metiram) chemical name: the co-ordination complex of two two sulphur deoxidation base formic acid manganese of ethylene and zinc ion, molecular formula: (C
4H
6N
2S
4Zn) x is protective fungicide, and the fungus-caused various diseases of Oomycete are had good preventive effect.
Mancozeb (mancozeb) molecular formula: C
4H
6N
2S
4The MnZn chemical name: the complex salt of two two thiocarbamoyl manganese of ethylene and zinc is the complex that maneb and zinc are formed, and belongs to the wider protective fungicide of fungicidal spectrum.It mainly is the oxidation that suppresses pyruvic acid in the thalline.Effective to multiple diseases such as the anthracnose on fruit tree, the vegetables, early blight, simultaneously its normal and systemic fungicide is mixed, and is used for the generation of delaying drug resistance
Above bactericide is long-term to be used separately, and preventive effect begins to descend, and has produced pesticide resistance to a certain degree, and simultaneously, above bactericide has in various degree inhibitory action to the growth of crop when high dose uses slightly, cause poisoning easily.The inventor discovers by a series of, thifluzamide is mixed with the arbitrary fungicide active ingredient that is selected from gloomy class of generation (zineb, Propineb, Carbatene, mancozeb) the target bacterium is had extremely strong synergistic effect, improve bactericidal activity greatly, thereby finished the present invention.And about thifluzamide and be selected from arbitrary fungicide active ingredient composite of gloomy class of generation (zineb, Propineb, Carbatene, mancozeb), do not see relevant report at present at home and abroad as yet.
Summary of the invention
The purpose of this invention is to provide the low bactericidal composition of a kind of efficient, low toxicity, use cost to satisfy the needs of agricultural production.Two kinds of active component combination backs produce synergistic effect, can also avoid the drug-fast generation of germ and delay the drug-fast generation speed of germ when improving preventive effect.
The objective of the invention is to realize by following measure:
A kind of bactericidal composition based on thifluzamide, it is characterized in that with (A) thifluzamide and (B) one of any in generation gloomy compounds zineb, Propineb, Carbatene, the mancozeb to be that fungicide active ingredient carries out composite, the percentage by weight of effective constituents A and B is 80～1: 1～85.
The invention described above gloomy compounds of described generation is: zineb, Propineb, Carbatene, mancozeb.
Describedly contain one or two yuan of any composite bactericidal composition in A thiophene bacterium acid amides and B dyson fungicides zineb, Propineb, Carbatene, the mancozeb, the percentage by weight of effective active composition A and B is preferably 40～1: 1～65.
Described with (A) thifluzamide and (B) a kind of generation gloomy compounds be the bactericidal composition of effective fungicide active ingredient, can be prepared into wetting powder, suspending agent, pulvis, microemulsion, aqueous emulsion and water dispersible granules with known method, the quality percentage composition of active ingredient is 1%～90% in the preparation, be preferably 5%～65%, all the other are usual auxiliaries in the agricultural chemicals.
The formulation embodiment of the invention described above bactericidal composition is as follows:
One of technical scheme of the present invention, described bactericidal composition are wetting powder, and the percentage by weight of component is:
Compd A 1～50%
Compd B 1～80%
Dispersant 3～20%
Wetting agent 3～10%
Filler 10～70%
The concrete procedure of processing of this bactericidal composition wetting powder is: press above-mentioned prescription with A and B and dispersant, wetting agent and filler mixing, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Two of technical scheme of the present invention, described bactericidal composition are suspending agent, and the percentage by weight of component is:
Compd A 1～50%
Compd B 1～80%
Dispersant 5～20%
Antifreezing agent 1～5%
Thickener 0.1～2%
Defoamer 0.1～0.8%
Water surplus
The concrete production stage of this suspending agent is earlier other auxiliary agents to be mixed, mix through high speed shear, add A and B, abrading-ball is 2～3 hours in ball crusher, make a diameter all below 5mm, make the suspending agent preparation of the bactericidal composition of A of containing of the present invention and B.
Three of technical scheme of the present invention, described bactericidal composition are aqueous emulsion, and the percentage by weight of component is:
Compd A 1～50%
Compd B 1～80%
Emulsifier 3～30%
Solvent 5～15%
Stabilizing agent 2～15%
Antifreezing agent 1～5%
Defoamer 0.1～8%
Thickener 0.2～2%
Water surplus
The concrete production stage of this aqueous emulsion is: at first former medicine A is added with B, solvent and emulsifier, cosolvent and be in the same place, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water, open clipper and carry out high speed shear, and add remaining water, shear half an hour approximately, form the aqueous emulsion of oil-in-water type until reaching the phase inversion point.Promptly make the aqueous emulsion of the bactericidal composition that contains A and B.
Four of technical scheme of the present invention, described bactericidal composition are water dispersible granules, and the percentage by weight of component is:
Compd A 1～50%
Compd B 1～80%
Dispersant 3～20%
Wetting agent 3～10%
Disintegrant 2～5%
Filler 10～70%
The concrete procedure of processing of this bactericidal composition water dispersible granules is: by above-mentioned prescription A, B and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, add then and carry out granulation, drying, screening in the fluidized bed prilling dryer after sample analysis, make the water dispersible granules of the bactericidal composition of A of containing of the present invention and B.
Described emulsifier is selected from any one or more mixtures formed with arbitrary proportion in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styryl phenol APEO, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether.
Described solvent is any one or more mixed solvents formed with arbitrary proportion in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent.
Described dispersant is selected from one or more in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described wetting agent is selected from: lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX., among the wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, soapberry powder one or more.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described stabilizing agent is selected from: a kind of in sodium citrate, the resorcinol.
Described antifreezing agent is selected from: one or more in ethylene glycol, propane diols, the glycerine.
Described defoamer is selected from: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In the aliphatic alcohols compound one or more.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Bactericidal composition of the present invention can be used for preventing and treating the disease on the various plants such as vegetables, fruit tree, cereal, ornamental plants, for example prevents and treats early blight and late blight, alternaria leaf spot of apple, downy mildew of garpe, pear scab, wheat rust, melon anthracnose and downy mildew, rice sheath blight disease and the rice blast etc. of the early blight of tomato and late blight, potato.Wherein the control efficiency to rice sheath blight disease and rice blast is remarkable.
Embodiment:
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Indoor bioassay:
(1) experimental subjects:
The Rhizoctonia solani Kuhn germ, separation and purification gained from the incidence of leaf of Hunan paddy field is cultivated in 4 ℃ of refrigerators on the PDA inclined-plane and is preserved.
For the examination medium
PDA medium: potato 200g, glucose 20g, agar 20g, water 1000ml
AEA medium: dusty yeast 5g/L, glycerine 20mL/L, MgSO
40.25g/L, Na NO
36g/L, KCL0.5g/L, KH
2P O
41.5g/L, agar powder 20g/L, deionized water 1L
(2) experimental pharmacy:
The former medicine of 96% thiophene flutolanil is produced by The Dow Agrosciences, LLC.; The former medicine of 90% zineb, favorable to the people chemical industry Co., Ltd produces; The former medicine of 89% Propineb, favorable to the people chemical industry Co., Ltd produces; The former medicine of 85% Carbatene, Jiangsu Province Nantong Baoye Chemicals Co., Ltd. produces; The former medicine of 90% mancozeb, the eternal chemical industry in Shanghai Co., Ltd produces.
(3) test method:
1. single agent is to the toxicity test of sheath blight fungus:
Thiophene flutolanil and zineb, Propineb, Carbatene, mancozeb dissolve with proper amount of acetone, are made into the mother liquor of 10000 μ g/ml, preserve in 4 ℃ of following low temperature, and be stand-by, is diluted to a series of concentration with sterile water before the test.
Rhizoctonia solani Kuhn after pre-cultivation the on the AEA medium, is inoculated in the bacterium dish of diameter 5mm respectively on the AEA flat board that contains the variable concentrations gradient, cultivates down in 25 ℃ of dark conditions.Every processing repeats 3 times.When control strain colony diameter length is above to 6.5c m, adopt " right-angled intersection method " to measure.According to the linear regression analysis between the logarithm value of the probit value of inhibiting rate and medicine series concentration, obtain the EC that two kinds of single agent suppress mycelial growths
50Value, correlation coefficient and virulence regression equation.
On the basis of preliminary experiment, respectively single agent thiophene flutolanil and zineb, Propineb, Carbatene, mancozeb are carried out toxicity test, EC in order to last method
50Value is followed successively by 0.6mg/l and 5.6mg/l, 8.1mg/l, 7.6mg/l, 4.9mg/l.
2. mixture toxicity test:
Carry out the toxicity test of mixture according to mixed ratio with single agent toxicity test method.
EC that each that will measure according to the abundant method of Sun Yun handled
50Value is converted into the actual toxicity index (ATI) of using with; According to the proportioning of mixture, obtain theory and use toxicity index (TTI) with, calculate the co-toxicity coefficient (CTC) of mixture by following formula.
Single agent toxicity index=(standard medicament EC
50/ reagent agent EC
50) * 100
ATI=(standard medicament EC
50/ reagent agent (using with) EC
50) * 100
The content (%) of toxicity index XB in using with of content (the %)+B of the toxicity index xA of TII=A in using with
CTC＝(ATI/TTI)*100
If co-toxicity coefficient is big by 120, showing has synergistic effect; If be starkly lower than 100 (below 80), be indicated as antagonism; Between 100～120, be indicated as summation action
Biologicall test example 1: the composite Toxicity Determination of thifluzamide and zineb to Rhizoctonia solani Kuhn.
Combination setting is mixed:
20% thiophene flutolanil zineb mass ratio was respectively 1: 9,1: 7,1: 5,1: 3,1: 1, i.e. 2%+18%, 2.5%+17.5%, 3.33%+16.67%, 5%+15%, 10%+10% totally 5 combinations that are mixed.
Result and analysis:
The composite virulence of table 1 thiophene flutolanil and zineb to Rhizoctonia solani Kuhn
The composite co-toxicity of table 2 thiophene flutolanil and zineb to Rhizoctonia solani Kuhn
According to bactericide joint toxicity measuring result, thiophene flutolanil and zineb mass ratio are 1: 7 o'clock co-toxicity coefficient maximum, are 425.1, think that 1: 7 o'clock synergistic effect of thiophene flutolanil and zineb mass ratio is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 1: 7 left and right sides scope of suitable proportion, to estimate its field practical application effect.
Biologicall test example 2: the composite Toxicity Determination of thifluzamide and Propineb to Rhizoctonia solani Kuhn.
Combination setting is mixed:
20% thiophene flutolanil Propineb mass ratio was respectively 1: 9,1: 7,1: 5,1: 3,1: 1, i.e. 2%+18%, 2.5%+17.5%, 3.33%+16.67%, 5%+15%, 10%+10% totally 5 combinations that are mixed.
Result and analysis:
The composite virulence of table 3 thiophene flutolanil and Propineb to Rhizoctonia solani Kuhn
The composite co-toxicity of table 4 thiophene flutolanil and Propineb to Rhizoctonia solani Kuhn
According to bactericide joint toxicity measuring result, thiophene flutolanil and Propineb mass ratio are 1: 7 o'clock co-toxicity coefficient maximum, are 399.7, think that 1: 7 o'clock synergistic effect of thiophene flutolanil and Propineb mass ratio is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 1: 7 left and right sides scope of suitable proportion, to estimate its field practical application effect.
Biologicall test example 3: the composite Toxicity Determination of thifluzamide and Carbatene to Rhizoctonia solani Kuhn.
Combination setting is mixed:
20% thiophene flutolanil Carbatene mass ratio was respectively 1: 9,1: 7,1: 5,1: 3,1: 1, i.e. 2%+18%, 2.5%+17.5%, 3.33%+16.67%, 5%+15%, 10%+10% totally 5 combinations that are mixed.
Result and analysis:
The composite virulence of table 5 thiophene flutolanil and Carbatene to Rhizoctonia solani Kuhn
The composite co-toxicity of table 6 thiophene flutolanil and Carbatene to Rhizoctonia solani Kuhn
According to bactericide joint toxicity measuring result, thiophene flutolanil and Carbatene mass ratio are 1: 7 o'clock co-toxicity coefficient maximum, are 452.1, think that 1: 7 o'clock synergistic effect of thiophene flutolanil and Carbatene mass ratio is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 1: 7 left and right sides scope of suitable proportion, to estimate its field practical application effect.
Biologicall test example 4: the composite Toxicity Determination of thifluzamide and mancozeb to Rhizoctonia solani Kuhn.
Combination setting is mixed:
20% thiophene flutolanil mancozeb mass ratio was respectively 1: 9,1: 7,1: 5,1: 3,1: 1, i.e. 2%+18%, 2.5%+17.5%, 3.33%+16.67%, 5%+15%, 10%+10% totally 5 combinations that are mixed.
Result and analysis:
The composite virulence of table 7 thiophene flutolanil and mancozeb to Rhizoctonia solani Kuhn
The composite co-toxicity of table 8 acid amides and mancozeb to Rhizoctonia solani Kuhn
According to bactericide joint toxicity measuring result, thiophene flutolanil and mancozeb mass ratio are 1: 7 o'clock co-toxicity coefficient maximum, are 356.1, think that 1: 7 o'clock synergistic effect of thiophene flutolanil and mancozeb mass ratio is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 1: 7 left and right sides scope of suitable proportion, to estimate its field practical application effect.
Field trial 1: to the preventive effect of rice sheath blight disease
(1) investigation method
Experimental field be located at the Hunan, publish the medium rice field of course of disease degree for experimental field, soil fertility is medium, and irrigation and drainage are convenient.Adopt the bilinear sampling method, 5 points are got in every sub-district, look into 5 caves at every, and 2 blades in the fixing middle part of every strain fix a point to check during investigation.
Come classification according to the rice sheath blight disease grade scale, write down total strain number, diseased plant number, degree of being in a bad way, calculate diseased plant rate, disease index and preventive effect.The rice sheath blight disease grade scale is
0 grade: complete stool is anosis;
1 grade: the 4th blade and following each leaf sheath thereof, blade morbidity (is the 1st leaf with sword-like leave);
3 grades: the 3rd blade and following each leaf sheath thereof, blade morbidity;
5 grades: the 2nd blade and following each leaf sheath thereof, blade morbidity;
7 grades: sword-like leave blade and following each leaf sheath thereof, blade morbidity;
9 grades: the complete stool morbidity, withered ahead of time.
(2) control time and number of times
Test is investigated 4 times altogether, i.e. disease index investigation before the medicine, preventive effect investigation in 10 days behind the 1st medicine, 10 days and preventive effect investigation in 20 days behind 2 medicines.
(3) drug effect computational methods
Sick leaf rate (the %)=sick number of sheets/investigate total number of sheets * 100
Disease index=∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigating total number of sheets * 9) * 100
Control efficiency (%)=(1-(disease index behind disease index before the blank district medicine * treatment region medicine)/(disease index before disease index behind the blank district medicine * treatment region medicine)) * 100
(4) poisoning investigation method
Whether continuous 7d range estimation medicament has poisoning to crop after the dispenser.
Experimental example 1:
Each handles the effect of preventing and treating rice sheath blight disease table 9
Interpretation of result:
As shown in Table 9, to prevent and treat the effect of rice sheath blight disease more remarkable in the combination that is mixed of 20% thiophene flutolanil zineb 1: 7.Behind the medicine 10 days for the first time, for the second time 10 days and 20 days preventive effects 68.44%, 78.14% and 82.55% the highest behind the medicine, single agent 24% thiophene flutolanil SC for the second time behind the medicine 20 days preventive effects the highest be 76.77%, 65% zineb WP for the second time behind the medicine 20 days preventive effect be up to 79.31%.The effect of complex preparation significantly is better than two kinds of single agent, has not only significantly improved the effect for sheath blight fungus, and has further prolonged its lasting period.Simultaneously, under same dosage, the single agent of 24% thiophene flutolanil SC significantly is better than 65% zineb list agent WP for the effect of banded sclerotial blight.
Experimental example 2:
Each handles the effect of preventing and treating rice sheath blight disease table 10
Interpretation of result:
As shown in Table 10, to prevent and treat the effect of rice sheath blight disease more remarkable in the combination that is mixed of 20% thiophene flutolanil Propineb 1: 7.Compound drug behind the medicine 10 days for the first time, for the second time 10 days and 20 days preventive effects 71.04%, 77.70% and 81.21% the highest behind the medicine, single agent 24% thiophene flutolanil SC for the second time behind the medicine 20 days preventive effects the highest be 78.17%, 70% Propineb WP for the second time behind the medicine 20 days preventive effect be up to 77.04%.The effect of complex preparation significantly is better than two kinds of single agent, has not only significantly improved the effect for sheath blight fungus, and has further prolonged its lasting period.Simultaneously, under same dosage, the single agent of 24% thiophene flutolanil SC significantly is better than the single agent of 70% Propineb WP for the effect of banded sclerotial blight.
Experimental example 3:
Each handles the effect of preventing and treating rice sheath blight disease table 11
Interpretation of result:
As shown in Table 11, to prevent and treat the effect of rice sheath blight disease more remarkable in the combination that is mixed of 20% thiophene flutolanil Carbatene 1: 7.Behind the medicine 10 days for the first time, for the second time 10 days and 20 days preventive effects reach 72.19%, 76.10% and 80.08% respectively behind the medicine, under same dosage, the effect of complex preparation significantly is better than two kinds of single agent, and 24% thiophene flutolanil list agent significantly is better than 70% Carbatene list agent for the effect of banded sclerotial blight.Not only significantly improved effect, and further prolonged its lasting period for sheath blight fungus.
Experimental example 4:
Each handles the effect of preventing and treating rice sheath blight disease table 12
Interpretation of result:
As shown in Table 12, to prevent and treat the effect of rice sheath blight disease more remarkable in the combination that is mixed of 20% thiophene flutolanil mancozeb 1: 7.The effect of complex preparation significantly is better than two kinds of single agent, has not only significantly improved the effect for sheath blight fungus, and has further prolonged its lasting period.Simultaneously, under same dosage, 24% thiophene flutolanil list agent significantly is better than 80% mancozeb list agent for the effect of banded sclerotial blight.
Field trial 2: to the preventive effect of rice green smut
Experimental example 1:
Each handles the effect of control rice green smut table 13
Interpretation of result:
Can know that by table 13 effect of 1: 7 the combination control rice green smut that is mixed of 20% thiophene flutolanil zineb is very remarkable.Under same 12 milliliters every mu consumption, the effect of complex preparation significantly is better than two kinds of single agent, and its quick-acting and lasting effect are all relatively good, and is the most outstanding with lasting effect especially.Complex preparation significantly is better than effect under the low concentration consumption in control efficiency under the consumption of high concentration.20 days preventive effects reach 83.55% after 10 days control efficiency behind the 1st, 2 medicine reaches 70.88% and 79.80%, the 2 medicine respectively.And single agent 24% thiophene flutolanil SC, 10 days the highest preventive effect is 79.21% behind the 2nd medicine, 20 days preventive effects are 74.10% behind the 2nd medicine of single agent 65% zineb, the effect of complex preparation significantly is better than two kinds of single agent, not only significantly improved effect, and further prolonged its lasting period for sheath blight fungus.Simultaneously, under same dosage, the single agent of 24% thiophene flutolanil SC significantly is better than 65% zineb list agent WP for the effect of banded sclerotial blight.
Experimental example 2:
Each handles the effect of control rice green smut table 14
Interpretation of result:
Can know that by table 14 effect of 1: 7 the combination control rice green smut that is mixed of 20% thiophene flutolanil Propineb is very remarkable.Under same 12 milliliters every mu consumption, the effect of complex preparation significantly is better than two kinds of single agent, and its quick-acting and lasting effect are all relatively good, and is the most outstanding with lasting effect especially.Complex preparation significantly is better than effect under the low concentration consumption in control efficiency under the consumption of high concentration.20 days preventive effects reach 81.20% after 10 days control efficiency behind the 1st, 2 medicine reaches 70.46% and 73.71%, the 2 medicine respectively.Single agent 24% thiophene flutolanil SC, 20 days the highest preventive effect is 75.46% behind the 2nd medicine, and 20 days preventive effect is 71.71% behind the single agent 70% Propineb WP medicine second time, and single agent 24% thiophene flutolanil SC is better than single agent 70% Propineb WP simultaneously.
Experimental example 3:
Each handles the effect of control rice green smut table 15
Interpretation of result:
Can know that by table 15 effect of 1: 7 the combination control rice green smut that is mixed of 20% thiophene flutolanil Carbatene is very remarkable.Under same 12 milliliters every mu consumption, the effect of complex preparation significantly is better than two kinds of single agent, and its quick-acting and lasting effect are all relatively good, and is the most outstanding with lasting effect especially.Complex preparation significantly is better than effect under the low concentration consumption in control efficiency under the consumption of high concentration.20 days preventive effects reach 78.28% after 10 days control efficiency behind the 1st, 2 medicine reaches 63.83% and 72.92%, the 2 medicine respectively.And single agent 24% thiophene flutolanil SC, 20 days control efficiency is 67.32% behind the 2nd medicine, significantly is better than single agent 70% Carbatene 20 days preventive effect 66.11% behind the medicine for the second time
Experimental example 4:
Each handles the effect of control rice green smut table 16
Interpretation of result:
Can know that by table 16 effect of 1: 7 the combination control rice green smut that is mixed of 20% thiophene flutolanil mancozeb is very remarkable.Under same 12 milliliters every mu consumption, the effect of complex preparation significantly is better than two kinds of single agent, and its quick-acting and lasting effect are all relatively good, and is the most outstanding with lasting effect especially.Complex preparation significantly is better than effect under the low concentration consumption in control efficiency under the consumption of high concentration.20 days preventive effects reach 81.65% after 10 days control efficiency behind the 1st, 2 medicine reaches 68.88% and 74.38%, the 2 medicine respectively.And single agent 24% thiophene flutolanil SC 20 days preventive effects after 10 days control efficiency behind the 1st, 2 medicine is respectively 62.86% and 69.88%, the 2 medicine are 75.49%, significantly are better than single agent 80% mancozeb WP.
In sum, this complex preparation has remarkable prevention effect to rice sheath blight disease and false smut simultaneously, can effectively suppress further developing of disease, simultaneously to crop safety, suggestion is promoted the use of, in use should be used alternatingly, to delay the pesticide resistance of plant with other different mechanisms medicines.
Claims (7)
1. pesticide sterilizing composite is characterized in that: is that active ingredient is carried out two yuan and is mixed with thifluzamide (A) with (B) being selected from one of any in dyson fungicides zineb, Propineb, Carbatene, the mancozeb.
2. bactericidal composition according to claim 1 is characterized in that: the percentage by weight of active components A and B is 80～1: 1～85.
3. bactericidal composition according to claim 1 is characterized in that: the percentage by weight of active components A and B is 40～1: 1～65.
4. bactericidal composition according to claim 1 is characterized in that: effective constituents A and the B gross weight percentage composition in preparation is 1%-90%.
5. bactericidal composition according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is preferably 5%～65%.
6. bactericidal composition according to claim 1 is characterized in that: the formulation that bactericidal composition of the present invention can be prepared according to the known method of those skilled in the art of the present technique is wetting powder, suspending agent, pulvis, microemulsion, aqueous emulsion and water dispersible granules.
7. bactericidal composition according to claim 1 is characterized in that: bactericidal composition of the present invention is mainly used in early blight and late blight, alternaria leaf spot of apple, downy mildew of garpe, pear scab, wheat rust, melon anthracnose and the downy mildew of the early blight of preventing and treating rice sheath blight disease, rice blast, false smut, tomato and late blight, potato.
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| CN2011100244943A CN102077831A (en) | 2011-01-24 | 2011-01-24 | Sterilizing composition containing thifluzamide and ethylenebisdithiocarbomate |
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| CN2011100244943A CN102077831A (en) | 2011-01-24 | 2011-01-24 | Sterilizing composition containing thifluzamide and ethylenebisdithiocarbomate |
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| CN103563934A (en) * | 2012-08-04 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing thifluzamide and amobam and application thereof |
| CN107517989A (en) * | 2016-06-22 | 2017-12-29 | 陕西韦尔奇作物保护有限公司 | A kind of bactericidal composition containing mancopper and amide-type |
| US11284623B2 (en) * | 2012-11-22 | 2022-03-29 | Basf Corporation | Pesticidal mixtures |
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| JP2007277215A (en) * | 2005-07-04 | 2007-10-25 | Sumitomo Chemical Co Ltd | Aqueous suspension-type agrochemical composition and method for producing the same |
| CN101677558A (en) * | 2007-04-25 | 2010-03-24 | 先正达参股股份有限公司 | fungicidal compositions |
| CN101779674A (en) * | 2009-12-16 | 2010-07-21 | 陈章艳 | Sterilization composition containing tetraconazole |
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| US20050215432A1 (en) * | 2001-09-28 | 2005-09-29 | Christian Schlatter | Aqueous neonicotinoid compositions for seed treatment |
| JP2007277215A (en) * | 2005-07-04 | 2007-10-25 | Sumitomo Chemical Co Ltd | Aqueous suspension-type agrochemical composition and method for producing the same |
| CN101677558A (en) * | 2007-04-25 | 2010-03-24 | 先正达参股股份有限公司 | fungicidal compositions |
| CN101779674A (en) * | 2009-12-16 | 2010-07-21 | 陈章艳 | Sterilization composition containing tetraconazole |
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| CN103563934B (en) * | 2012-08-04 | 2015-06-03 | 南京华洲药业有限公司 | Bactericidal composition containing thifluzamide and amobam and application thereof |
| US11284623B2 (en) * | 2012-11-22 | 2022-03-29 | Basf Corporation | Pesticidal mixtures |
| CN107517989A (en) * | 2016-06-22 | 2017-12-29 | 陕西韦尔奇作物保护有限公司 | A kind of bactericidal composition containing mancopper and amide-type |
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Application publication date: 20110601 |