CN101984818A - Germicide composition - Google Patents
Germicide composition Download PDFInfo
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- CN101984818A CN101984818A CN2010102533958A CN201010253395A CN101984818A CN 101984818 A CN101984818 A CN 101984818A CN 2010102533958 A CN2010102533958 A CN 2010102533958A CN 201010253395 A CN201010253395 A CN 201010253395A CN 101984818 A CN101984818 A CN 101984818A
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- fluazinam
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Abstract
The invention discloses a germicide composition, comprising the following active ingredients: (A) fluazinam and (B) any one of ethirimol, bupirimate and dimethirimol, wherein the mass ratio of A to B is 1:100-100:1. The composition has obvious synergy and high control effect and is suitable for controlling various diseases on fruits and vegetables, especially for controlling powdery mildew.
Description
Technical field
The present invention relates to a kind of bactericidal composition, relating in particular to a kind of is the application of the bactericidal composition of main component with fluazinam and the phonetic phenol of second or bupirimate or dimethirimol.
Background technology
Powdery mildew is the plant disease that is caused by the Erysiphaceae in the fungi (Erysiphacesae).Mostly be ectoparasitism, the whole or big portion of mycelium is exposed to the surface of leaf, stem, the tender tip, bud, flower and the fruit of host plant, and produces the macroscopic white powder that is made of mycelium, conidiophore and conidium in a large number.
Powdery mildew is widely distributed in the whole world, and the dicotyledon of causing harm is particularly general.The main powdery mildew of China has the cereal class powdery mildew that is caused by standing grain powdery mildew (Ery-siphe graminis); The powdery mildew of various plants such as melon, the beans that causes by Siberian cocklebur monofilament shell (Sphaerotheca fuliginea), crudefiber crop; The grape powdery mildew that causes by grape snag shell (Uncinula necator); The powdery mildew of more than 80 kind of trees such as the mulberry that causes by hazel ball pin shell (Phyllactiniacorylea), pears, persimmon, walnut, chestnut, lichee, papaya papaw; Powdery mildew of the Rosa flowers that cause by rose monofilament shell (Sphaerotheca pannosa) etc.
Cucurbits powdery mildew is the important disease in the melon production.Blade produces yellow point when just taking place, and then enlarges to develop into circle or oval scab, and the mould layer of adularescent powdery is given birth on the surface, is conidiophore and the conidium of germ, and back scab flavescence brown is the cleistothecium of germ.Mildew is early stage disperses separately, after be unified into a big mildew, even can cover full leaf, have a strong impact on photosynthesis, eubolism is interfered, cause early ageing, output incurs loss.
In the control of powdery mildew, mainly rely on medicaments such as benzimidazole, triazole type.These medicaments are because long-term use has produced pesticide resistance in various degree, and control efficiency reduces.Triazole type medicament growth to crop when using dosage is big simultaneously has inhibitory action, causes poisoning easily.
Fluazinam belongs to 2, the 6-dinitroanilines, and the broad spectrum protection bactericide, very effective to Alternaria, Botrytis, Phytophthora, Plasmopara, Sclerotinia and Venturia germ.English common name: Fluazinam chemical name: 3-chloro-N-(3-chloro-5-trifluoromethyl-2-pyridine radicals)-α, α, α-three fluoro-2,6-dinitro para-totuidine molecular formula: C
13H
4Cl
2F
6N
4O
4The concrete disease that fluazinam can be prevented and treated has gray mold of cucumber, downy mildew, anthracnose, powdery mildew, tomato late blight, apple scab, leaf spot, pears black spot, rust, rice blast, banded sclerotial blight, crown hull sugar, grape grey mould, downy mildew, citrus scab, gray mold, potato late blight, lawn spot disease etc.Botrytis cinerea pathogen to anti-benzimidazole type and dicarboximide series bactericidal agent also has good result, and the fluazinam resistance of rainwater washing against, and the lasting period is long.
But production that fluazinam is present and use cost are all higher, and long-term use separately also has very big resistance risk.
The combination of the pesticide active ingredient of fluazinam and other structure being carried out composite, is a kind of effective and efficient manner that solves cost and resistance problem in its single agent application process.The pesticide active ingredient of different structure shows three kinds of type of action, i.e. summation action, synergistic effect and antagonism after mixing usually.Compound synergic is well filled a prescription, and can improve actual control efficiency, reduces the usage amount of agricultural chemicals, also helps to delay the drug-fast generation of germ, is the important means of integrated control.
Summary of the invention
It is obvious to the purpose of this invention is to provide a kind of synergistic effect, to the bactericidal composition that the powdery mildew control efficiency is good, cost is low, resistance risk is low.
Another object of the present invention provides the application of this bactericidal composition.
The inventor is by a large amount of indoor biometrics and field control effectiveness tests, find that unexpectedly fluazinam and miazines bactericide are mixed in certain proportion after, diseases such as powdery mildew are had significant synergistic effect.
Described miazines bactericide comprises the phonetic phenol of second, bupirimate, dimethirimol etc.Its mechanism of action belongs to adenosine deaminase inhibitors.The miazines bactericide is a systemic fungicide, has protection and therapeutic action, can be absorbed rapidly by plant roots, stem, leaf, and run to each position in plant corpus.Be mainly used in the powdery mildew of control crop.
The phonetic phenol English name of second: ethirimol
Chemical name: 5-butyl-2-ethylamino-4-hydroxyl-6-methylpyrimidine
Molecular formula: C
11H
19N
3O
Be mainly used in control cereal crop powdery mildew, also can prevent and treat the ground family crop powdery mildew.
Bupirimate English name: bupirimate
Chemical name: 5-butyl-2-ethylamino-6-methylpyrimidine-4-base dimethylamino sulphonic acid ester
Molecular formula: C
13H
24N
4O
3S
Prevent and treat various powdery mildews, as apple, grape, cucumber, strawberry, rose, beet powdery mildew.
Dimethirimol: English name: dimethirimol
Chemical name: 5-normal-butyl-2-dimethylamino-6-methylpyrimidine 4-alcohol
Molecular formula: C
11H
19N
3O
Be mainly used in the powdery mildew of control tobacco, tomato, ornamental plants
For overcoming the deficiencies in the prior art, technical scheme of the present invention is to solve like this: a kind of bactericidal composition, contain in active ingredient (A) fluazinam and (B) the phonetic phenol of second, bupirimate, the dimethirimol any one, A and B mass ratio are 1: 100～100: 1, and preferred proportion is 1: 30～40: 1.
The active ingredient of said composition and auxiliary agent and filler can be processed into agricultural and go up any formulation that allows, and formulation has missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules preferably.
In the bactericidal composition of the present invention, the mass accumulation percentage composition of A and B is 5%～85%.
The formulation of above-mentioned bactericidal composition comprises that also auxiliary agent and other help the material of drug effect performance except that comprising effective constituents A and B.Missible oil comprises organic solvent, cosolvent and emulsifier; Microemulsion comprises organic solvent, emulsifier and water; Aqueous emulsion comprises organic solvent, dispersant, emulsifier and water; Suspending agent comprises water, dispersant, thickener, antifreezing agent and wetting agent; Wetting powder comprises wetting agent, dispersant and filler; Water dispersible granules comprises dispersant, disintegrant, filler and wetting agent.Below all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited that concrete composition and consumption are determined by simple experiment according to the requirement of filling a prescription.For example:
Organic solvent can be selected isopropyl alcohol, dimethylbenzene, N, one or more in dinethylformamide, ring ethyl ketone, toluene, dimethyl sulfoxide (DMSO), methyl alcohol, ethanol, trimethyl cyclic ethylene ketone, N-octylpyrrolidone, N-Methyl pyrrolidone, propyl alcohol, butanols, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, the vegetable oil.
Cosolvent can be selected one or more in N-Methyl pyrrolidone, dimethyl formamide, ethanol, third ethanol, the acetone.
Dispersant can be selected sodium lignin sulfonate, calcium lignosulfonate, draws back powder, in the calcium dodecyl benzene sulfonate, polycarboxylate, alkyl benzene sulfonate calcium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride APEO one or more.
Emulsifier can be selected agricultural emulsifier NO (phenyl phenol polyoxy ethyl ether), No. 1601 (phenethyl phenol polyoxy ethyl polypropylene-base ether) of farming breast, No. 500 (alkyl benzene calcium sulfonate) of farming breast, OP series phosphate (polyoxyethylene nonylphenol ether phosphate), No. 600 phosphates (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene rice ammonium sulfate, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, No. 400 (benzyl xylenol polyoxy ethyl ether) of farming breast, Nongru-700 number (alkyl phenolic resin polyoxy ethyl ether), No. 36 (phenethyl fluosite polyoxy ethyl ether) of peaceful breast, No. 1600 (phenethyl phenol polyoxy ethyl polypropylene-base ether) of farming breast, ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), No. 33 (alkylaryl polyoxyethylene polyoxypropylene ether) of farming breast, No. 34 (alkylaryl polyoxyethylene poly-oxygen propylene aether) of farming breast, sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), in the AEO series (the pure APEO of fat) one or more.
Antifreezing agent can be selected one or more in glycerine, urea, ethylene glycol, the propane diols.
Wetting agent can select that methyl naphthalene sulfonate formaldehyde condensate, lauryl sodium sulfate, Negel, alkyl benzene calcium sulfonate, tea are withered, spaonin powder, silkworm excrement, soapberry powder, bay alcohol radical sodium sulphate, washing powder, draw back in the powder one or more.
Disintegrant can be selected one or more in ammonium sulfate, urea, bentonite, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Thickener can be selected in xanthans, CMC, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol one or more.
Filler can be selected one or more in white carbon black, mountain range soil, precipitated calcium carbonate, talcum, imvite or convex-concave rod stone, float stone, brickbat, sepiolite or bentonite and non-adsorptivity calcium soil or the sand.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly directly mixes in bucket or jar before the use, is diluted to required concentration then.
Bactericidal composition of the present invention can be used for preventing and treating the multiple diseases on the crops such as cucumber, watermelon, pumpkin, muskmelon, joint melon, bottle gourd, balsam pear, sponge gourd, wax gourd, Hami melon, strawberry, capsicum, Chinese cabbage, eggplant, potato, grape, control is particularly useful for preventing and treating powdery mildew, gray mold etc. because of fungus-caused plant diseases such as imperfect fungus, sac fungi, basidiomycetes.Composition of the present invention can be used by common method, and as cast, injection, spraying, dusting, scatter or be fuming, its amount of application is with weather condition or crop state variation.
The present invention compared with prior art, its advantage is: 1, the composition synergistic effect is obvious, preventive effect is compared with single agent and is significantly improved; 2, after drug effect improved, the effective ingredient consumption in field descended, and has reduced production and use cost, has reduced residue of pesticide and environmental pollution; 3, composition is made up of the active ingredient of different mechanism of action, and action site increases, and helps overcoming and delays the drug-fast generation of germ.
Embodiment
The pesticide active ingredient of different types of structure being carried out composite, is a kind of effective means that solves problem such as cost and resistance in the agricultural chemicals list agent application process at present.The pesticide active ingredient of different types of structure shows three kinds of type of action after mixing usually, and promptly summation action, synergistic effect and antagonism act on but which kind of is specially, and be unpredictable, has only by a large amount of tests and just can know.Compound synergic is well filled a prescription, and can improve actual control efficiency, reduces the usage amount of agricultural chemicals, helps the generation of delaying drug resistance, is the important means of scientific prevention and cure damage by disease and insect.
The present composition has obvious role in synergism to white powder germ etc., and is not only the simple addition of two kinds of medicament effects, and this can be clear that from following toxicity test result of experiment very much.
Biologicall test example 1: composition is to the Toxicity Determination of cucurbits powdery mildew bacterium
Subjects is powdery mildew of cucumber bacterium (Sphaerotheca fuliginea).
Test method: with reference to " the agricultural industry criteria NY/T1156.11-2008 of the People's Republic of China (PRC) ".Choose potted plant two leaf period cucumber seedlings of growth potential unanimity, 5 basins are selected in each processing for use, number standby.Under 50PSI pressure, spray every basin 5mL with the Potter spray tower.Test is handled referring to table 1, table 2, table 3, and each medicament is provided with 5 concentration gradients.Carrying out inoculum density behind the 24h is 3 * 10
5The powdery mildew of cucumber bacterium conidial suspension of individual spore/mL.With the cucumber seedling that sprays the equivalent clear water is blank.After the inoculation cucumber seedling being put into the greenhouse cultivates.Behind the 10d,, and calculate control efficiency according to the morbidity grade scale investigation disease index of powdery mildew of cucumber.
Powdery mildew of cucumber state of an illness grade scale:
0 grade: blade does not have scab;
1 grade: lesion area accounts for the area of whole blade below 5%;
3 grades: lesion area account for whole blade area 6%～10%;
5 grades: lesion area accounts for 11%～25% of whole blade area;
7 grades: lesion area accounts for 25%～50% of whole blade area;
9 grades: lesion area accounts for more than 50% of whole blade area.
Calculate concentration EC in the inhibition with method of least squares
50, calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun again.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100.
CTC≤80 are antagonism, and 80＜CTC＜120 are summation action, and CTC 〉=120 are synergistic effect.
As can be known from Table 1, the proportioning of fluazinam and the phonetic phenol of second has synergistic effect to the powdery mildew of cucumber bacterium between 100: 1～1: 100 the time, and in the time of especially between 40: 1～1: 30, co-toxicity coefficient is more than 170.
The composite results from pot experiment test of the phonetic phenol of table 1 fluazinam and second to the powdery mildew of cucumber bacterium
As can be known from Table 2, fluazinam and bupirimate are composite, are between 100: 1～1: 100 the time in proportioning, and co-toxicity coefficient has synergistic effect all more than 120 to the powdery mildew of cucumber bacterium, and in the time of especially between 40: 1～1: 30, co-toxicity coefficient is more than 180.
The composite results from pot experiment test of table 2 fluazinam and bupirimate to the powdery mildew of cucumber bacterium
Table 3 is the result show, the proportioning of fluazinam and dimethirimol has synergistic effect to the powdery mildew of cucumber bacterium between 100: 1～1: 100 the time, and in the time of especially between 40: 1～1: 30, co-toxicity coefficient is more than 180.
The composite Toxicity Determination result of table 3 fluazinam and dimethirimol to the powdery mildew of cucumber bacterium
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following concrete formulation examples, but the present invention is limited to these examples absolutely not.The following stated only is the present invention embodiment preferably, only in order to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.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.
Missible oil embodiment
Pesticide activity component, emulsifier, partial solvent are mixed in proportion, in modulation kettle, mix and stir, after treating to dissolve fully, more remaining solvent is added lentamente, obtain uniform oil phase after fully stirring, make the missible oil product.
Embodiment 1, the phonetic phenol missible oil of 40.4% fluazinam second
Fluazinam 40%, the phonetic phenol 0.4% of second, farming breast No. 500 2% (emulsifier), dimethylbenzene (solvent) are supplemented to 100%.
Embodiment 1,500 grams per liter fluazinam suspending agents, the phonetic phenol suspending agent of 25% second carry out field control effectiveness test by active ingredient 170 gram/hectares, 200 gram/hectares, 250 gram/hectares respectively, 7 days control efficiency behind the wax gourd powdery mildew medicine is respectively 92.11%, 83.21% and 78.98%, and the preventive effect of composition obviously is better than each single agent.
Each handles control wax gourd powdery mildew result
Embodiment 2,30.3% fluazinam bupirimate missible oil
Fluazinam 0.3%, bupirimate 30%, agricultural emulsifier NO 4% (emulsifier), dimethylbenzene (solvent) are supplemented to 100%.
Embodiment 2,500 grams per liter fluazinam suspending agents, 25% bupirimate missible oil carry out field control effectiveness test by active ingredient 180 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 7 days control efficiency behind the powdery mildew of cucumber medicine is respectively 94.44%, 85.11% and 81.33%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each is handled and prevents and treats the powdery mildew of cucumber result
Embodiment 3,5% fluazinam dimethirimol missible oil
Fluazinam 2%, dimethirimol 3%, farming breast No. 500 3% (emulsifier), dimethylbenzene (solvent) are supplemented to 100%.
Embodiment 3,500 grams per liter fluazinam suspending agents, 20% dimethirimol missible oil carry out field control effectiveness test by active ingredient 70 gram/hectares, 200 gram/hectares, 100 gram/hectares respectively, 7 days control efficiency behind the joint melon powdery mildew medicine is respectively 93.89%, 84.54% and 80.67%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control joint melon powdery mildew result
Microemulsion, aqueous emulsion embodiment
By each set of dispense ratio, solubilization of active ingredient in solvent and cosolvent, is added surfactant, mix and make oil phase.With water-soluble component and the mixed water that gets of water, again oil phase is added aqueous phase or water and add in the oil phase, the limit edged stirs, and makes microemulsion or aqueous emulsion.
Embodiment 4, the phonetic phenol microemulsion of 15% fluazinam second
Fluazinam 10%, the phonetic phenol 5% of second, toluene 8% (solvent), farming breast No. 500 8% (emulsifier), agricultural emulsifier NOs 5% (emulsifier), farming breast No. 1,600 5% (emulsifier), sldium lauryl sulfate 2% (wetting agent), ethylene glycol 5% (antifreezing agent), water are supplemented to 100%
Embodiment 4,500 grams per liter fluazinam suspending agents, the phonetic phenol suspending agent of 25% second carry out field control effectiveness test by active ingredient 140 gram/hectares, 200 gram/hectares, 250 gram/hectares respectively, 5 days control efficiency behind the eggplant powdery mildew medicine is respectively 91.23%, 82.17% and 79.91%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control eggplant powdery mildew result
Embodiment 5,20% fluazinam bupirimate microemulsion
Fluazinam 10%, bupirimate 10%, toluene 8% (solvent), farming breast No. 500 8% (emulsifier), agricultural emulsifier NOs 5% (emulsifier), farming breast No. 1,600 5% (emulsifier), sldium lauryl sulfate 2% (wetting agent), ethylene glycol 5% (antifreezing agent), water are supplemented to 100%
Embodiment 5,500 grams per liter fluazinam suspending agents, 25% bupirimate missible oil carry out field control effectiveness test by active ingredient 130 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 7 days control efficiency behind the melon powdery mildew medicine is respectively 90.62%, 79.68% and 77.48%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control melon powdery mildew result
Embodiment 6,15% fluazinam dimethirimol aqueous emulsion
Fluazinam 5%, dimethirimol 10%, DMF (solvent) 5%, cyclohexanol (solvent) 10%, glycerine (antifreezing agent) 5%, phenethyl phenol polyethenoxy ether (emulsifier) 10%, calcium dodecyl benzene sulfonate (wetting agent) 5%, water are supplemented to 100%
Embodiment 6,500 grams per liter fluazinam suspending agents, 20% dimethirimol missible oil carry out field control effectiveness test by active ingredient 65 gram/hectares, 200 gram/hectares, 100 gram/hectares respectively, 7 days control efficiency behind the pepper powdery mildew medicine is respectively 94.20%, 85.14% and 82.84%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control pepper powdery mildew result
Embodiment 7,21% fluazinam ethirimol emulsion in water
Fluazinam 14%, the phonetic phenol 7% of second, DMF (solvent) 5%, cyclohexanol (solvent) 10%, glycerine (antifreezing agent) 5%, phenethyl phenol polyethenoxy ether (emulsifier) 10%, calcium dodecyl benzene sulfonate (wetting agent) 5%, water are supplemented to 100%
Embodiment 7,500 grams per liter fluazinam suspending agents, the phonetic phenol suspending agent of 25% second carry out field control effectiveness test by active ingredient 150 gram/hectares, 200 gram/hectares, 250 gram/hectares respectively, 7 days control efficiency behind the sponge gourd powdery mildew medicine is respectively 92.64%, 83.28% and 81.41%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control sponge gourd powdery mildew result
Suspending agent embodiment
The ratio of each component such as active component, dispersant, defoamer, thickener and water in prescription mixed, after sand milling or high speed shear, obtain semi-finished product, add water after the analysis and mix filtration and promptly get suspending agent.
Embodiment 8,30% fluazinam bupirimate suspending agent
Fluazinam 15%, bupirimate 15%, polyoxyethylene nonylphenol ether 8% (emulsifier), propane diols 2% (cosolvent), xanthans 1% (thickener), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 8,500 grams per liter fluazinam suspending agents, 25% bupirimate missible oil carry out field control effectiveness test by active ingredient 150 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 7 days control efficiency behind the balsam pear powdery mildew medicine is respectively 94.22%, 85.19% and 82.31%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control balsam pear powdery mildew result
Embodiment 9,40% fluazinam dimethirimol suspending agent
Fluazinam 10%, dimethirimol 30%, polyoxyethylene nonylphenol ether 8% (emulsifier), propane diols 2% (cosolvent), xanthans 1% (thickener), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 9,500 grams per liter fluazinam suspending agents, 20% dimethirimol missible oil carry out field control effectiveness test by active ingredient 60 gram/hectares, 200 gram/hectares, 100 gram/hectares respectively, 7 days control efficiency behind the wax gourd powdery mildew medicine is respectively 91.16%, 82.24% and 80.58%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control wax gourd powdery mildew result
Embodiment 10, the phonetic phenol suspending agent of 20% fluazinam second
Fluazinam 15%, the phonetic phenol 5% of second, polyoxyethylene nonylphenol ether 8% (emulsifier), propane diols 2% (cosolvent), xanthans 1% (thickener), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 10,500 grams per liter fluazinam suspending agents, the phonetic phenol suspending agent of 25% second carry out field control effectiveness test by active ingredient 165 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 7 days control efficiency behind the powdery mildew of cucumber medicine is respectively 92.24%, 81.75% and 79.89%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each is handled and prevents and treats the powdery mildew of cucumber result
Water dispersible granules embodiment
Pesticide activity component, auxiliary agent and filler are mixed in proportion,, add the water of 15-20% then, make the water dispersible granules product through kneading, granulation, drying, screening through comminution by gas stream.Capital equipment: mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying equipment (drying room or fluid bed).
Embodiment 11,85% fluazinam bupirimate water dispersible granules
Fluazinam 45%, bupirimate 40%, neopelex 4% (wetting agent), sodium lignin sulfonate 10% (dispersant), ammonium sulfate 3% (disintegrant), kaolin (filler) are to 100%
Embodiment 11,500 grams per liter fluazinam suspending agents, 25% bupirimate missible oil carry out field control effectiveness test by active ingredient 170 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 7 days control efficiency behind the squash marble dust medicine is respectively 90.94%, 79.51% and 81.83%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control squash marble dust result
Embodiment 12,50% fluazinam dimethirimol water dispersible granules
Fluazinam 15%, dimethirimol 35%, neopelex 4% (wetting agent), sodium lignin sulfonate 10% (dispersant), ammonium sulfate 3% (disintegrant), kaolin (filler) are to 100%
Embodiment 12,500 grams per liter fluazinam suspending agents, 20% dimethirimol missible oil carry out field control effectiveness test by active ingredient 80 gram/hectares, 200 gram/hectares, 100 gram/hectares respectively, 8 days control efficiency behind the joint melon powdery mildew medicine is respectively 93.53%, 82.93% and 83.92%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control joint melon powdery mildew result
Wetting powder embodiment
Pesticide activity component, auxiliary agent, filler are mixed the mixed again wetting powder that gets behind comminution by gas stream in proportion.Capital equipment: mixer, airslide disintegrating mill.
Embodiment 13, the phonetic phenol wetting powder of 60% fluazinam second
Fluazinam 40%, the phonetic phenol 20% of second, bay alcohol radical sodium sulphate 4% (wetting agent), mersolates 7% (dispersant), white carbon 8% (filler), kaolin (filler) are to 100%
Embodiment 13,500 grams per liter fluazinam suspending agents, the phonetic phenol suspending agent of 25% second carry out field control effectiveness test by active ingredient 160 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 8 days control efficiency behind the Hami melon powdery mildew medicine is respectively 91.04%, 79.59% and 82.84%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control Hami melon powdery mildew result
Embodiment 14,50% fluazinam bupirimate wetting powder
Fluazinam 20%, bupirimate 30%, bay alcohol radical sodium sulphate 4% (wetting agent), mersolates 7% (dispersant), white carbon 8% (filler), kaolin (filler) is to 100%,
Embodiment 14,500 grams per liter fluazinam suspending agents, 25% bupirimate missible oil carry out field control effectiveness test by active ingredient 170 gram/hectares, 200 gram/hectares, 200 gram/hectares respectively, 8 days control efficiency behind the melon powdery mildew medicine is respectively 93.45%, 81.29% and 84.48%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each handles control melon powdery mildew result
Embodiment 15,35% fluazinam dimethirimol wetting powder
Fluazinam 15%, dimethirimol 20%, bay alcohol radical sodium sulphate 4% (wetting agent), mersolates 7% (dispersant), white carbon 8% (filler), kaolin (filler) is to 100%,
Embodiment 15,500 grams per liter fluazinam suspending agents, 20% dimethirimol missible oil carry out field control effectiveness test by active ingredient 65 gram/hectares, 200 gram/hectares, 100 gram/hectares respectively, 7 days control efficiency behind the powdery mildew of cucumber medicine is respectively 91.50%, 82.51% and 81.83%, and the preventive effect of composition (effective ingredient consumption is lower than single agent) obviously is better than each single agent.
Each is handled and prevents and treats the powdery mildew of cucumber result
Claims (5)
1. bactericidal composition is characterized in that: contain active ingredient (A) fluazinam and (B) any one in the phonetic phenol of second, bupirimate, the dimethirimol, the mass ratio of A and B is 1: 100～100: 1.
2. bactericidal composition according to claim 1 is characterized in that: A and B mass ratio be preferably 1: 30～and 40: 1.
3. bactericidal composition according to claim 1 is characterized in that: A and B mass accumulation percentage composition are 5～85% in the composition.
4. according to the described bactericidal composition of claim 1 to 3, it is characterized in that: formulation is missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules.
5. bactericidal composition according to claim 1 is characterized in that: the control of the composition application in the gourd, fruit and vegetable disease control, especially powdery mildew.
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| CN103053531A (en) * | 2011-10-21 | 2013-04-24 | 深圳诺普信农化股份有限公司 | Bactericide composition |
| CN106614628A (en) * | 2016-12-08 | 2017-05-10 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
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| CN101617658A (en) * | 2009-08-01 | 2010-01-06 | 深圳诺普信农化股份有限公司 | Combination sterilization composition |
| CN101632364A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Sterilization composition |
| CN101632374A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Pesticide composition and application thereof |
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| CN101595883A (en) * | 2009-05-07 | 2009-12-09 | 深圳诺普信农化股份有限公司 | A kind of composition pesticide and application thereof |
| CN101632364A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Sterilization composition |
| CN101632374A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Pesticide composition and application thereof |
| CN101617658A (en) * | 2009-08-01 | 2010-01-06 | 深圳诺普信农化股份有限公司 | Combination sterilization composition |
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| CN106614628A (en) * | 2016-12-08 | 2017-05-10 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
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