CN102986694A - Insecticidal composition containing thifluzamide and captan and applications thereof - Google Patents

Insecticidal composition containing thifluzamide and captan and applications thereof Download PDF

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Publication number
CN102986694A
CN102986694A CN2012105819918A CN201210581991A CN102986694A CN 102986694 A CN102986694 A CN 102986694A CN 2012105819918 A CN2012105819918 A CN 2012105819918A CN 201210581991 A CN201210581991 A CN 201210581991A CN 102986694 A CN102986694 A CN 102986694A
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captan
thifluzamide
bactericidal composition
active component
composition
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CN102986694B (en
Inventor
罗昌炎
刘学军
刘建华
谭瑞成
吴一凡
陈绍娥
刘智忠
冯秀珍
殷爱云
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Jiangsu Rotam Chemical Co Ltd
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Jiangsu Rotam Chemical Co Ltd
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Abstract

The invention relates to an insecticidal composition containing thifluzamide and captan and applications thereof. The insecticidal composition comprises active components of the thifluzamide and the captan. The weight ratio of the thifluzamide and the captan is in a range of 1:100 to 100:1. The active components of the thifluzamide and the captan account for 5% to 90% of the composition by weight. The insecticidal composition containing the thifluzamide and the captan is applied to prevention and treatment of germs of cereals, fruits, vegetables and commercial crops. The thifluzamide and the captan are composited, and the composition has a synergistic interaction effect and can treat both fungi and bacteriosis in soil. One pesticide has multiple purposes, the disease spectrum prevention is broadened, the usage amount of the captan is reduced, and the usage is safe. The insecticidal composition is used for treating soil or soaking (dressing) seeds, and accordingly, seed rot and root rot caused by soil diseases can be prevented, full stands are guaranteed, diseases at seedling stages are reduced, and the effect is good.

Description

A kind of bactericidal composition that contains thifluzamide and captan and uses thereof
Technical field
A kind of bactericidal composition that contains thifluzamide and captan of the present invention and uses thereof relates to is that a kind of thifluzamide (Thifluzamide) and captan (Captan) of comprising is as the bactericidal composition of active component.The invention still further relates to a kind of bactericidal composition that comprises thifluzamide and captan and prevent and treat the purposes of the germ harm of cereal, fruit, vegetables, flowers, lawn, economic crops.The invention still further relates to a kind of usefulness and comprise the purposes that thifluzamide and captan are the bactericidal composition protective plant propagating materials of active component and the plant organ that grows subsequently.The invention still further relates to that the place control soil that a kind of bactericidal composition that contains active component thifluzamide and captan is applied to required control causes a disease or the purposes of saprophytic fungus and bacterium.
Background technology
In horticultural crop and dry-land crop production, crop can run into multiple fungi or infecting of bacterium and various diseases, also often because of in the soil multiple cause a disease or saprophytic fungi (mould such as corruption, epidemic disease is mould, Rhizoctonia solani Kuhn, sickle-like bacteria, botrytis cinerea etc.) and bacterium (soft-rot fungi etc.) infect harm, cause mashed kind, mashed root, seedling extremely.
Thifluzamide (Thifluzamide), molecular formula: C 13H 6Br 2F 6N 2O 2S, chemical name: 2', 6'-two bromo-2-methyl-4'-trifluoromethoxy-4-Trifluoromethyl-1,3-thiadiazoles-5-hydroxyl anilide.Thifluzamide is developed by ROHM AND HAAS Japanese firm.Thifluzamide is the succinate dehydrogenase inhibitor, because fluorine-containing, its its competitiveness in biochemical pathway is very strong, in case be combined with regard to difficult recovery with substrate or enzyme.Thifluzamide all has activity to pathomycetes such as Rhizoctonia, Puccinia, Ustilago, Tilletia, corticium, nuclear cavity Pseudomonas, especially the fungus-caused disease of Basidiomycetes such as banded sclerotial blight, damping off etc. is had special efficacy.Thifluzamide belongs to the thiazole amide bactericide, has strong interior conductivity and the long lasting effect of inhaling.Thifluzamide is applicable to the multiple application methods such as foliar spray, seed treatment and soil treatment, becomes the outstanding bactericide of the various crop diseases such as control paddy rice, peanut, cotton, beet, potato and lawn.
Captan (Captan) is the broad spectrum activity organosulfureous fungicide, has protection and therapeutic action concurrently.Sterling is white crystals, fusing point 178 oC is insoluble to oil, and it is unstable to meet alkali, decompose during near fusing point, and non-corrosiveness, but its catabolite is corrosive, and toxicity is low, to the high poison of fish, to the bird low toxicity, application on human skin is had excitant.Be mainly used in spraying, generally with 0.1% left and right sides concentration spraying.Also can make seed treatment, infusion product after the results carries out soil treatment before the sowing or before planting.For the scab of preventing and treating fruit tree, vegetables, flowers and other economic crops etc., downy mildew, powdery mildew, anthracnose, gray mold, early blight, late blight etc.The activity of this compound is good, and still, it is sometimes also unsatisfactory when low rate of application.
Summary of the invention
The objective of the invention is for solving above-mentioned at least one problem or its at least one aspect, in particular for effectively controlling plant disease, and/or reduce cost or application dosage, through the large number of biological test screen, provide a kind of bactericidal composition that contains thifluzamide and captan and uses thereof.
The present invention relates to a kind of bactericidal composition that contains thifluzamide and captan.
A kind of bactericidal composition that contains thifluzamide and captan of the present invention and uses thereof is to take following technical scheme to realize:
A kind of bactericidal composition that contains thifluzamide and captan is characterized in that containing active component thifluzamide and captan.
The present invention is a kind of to contain that thifluzamide and captan are the Synergistic effective dosies in the bactericidal composition of thifluzamide and captan, the weight ratio that the present invention is a kind of to contain active component thifluzamide described in the bactericidal composition of thifluzamide and captan and captan is that 1:100 is to 100:1, preferred 1:50-50:1, preferred 1:20-20:1 again, more preferably 1:10-10:1, most preferably 1:5-5:1.
In a kind of bactericidal composition that contains thifluzamide and captan of the present invention, the weight percentage that described active component thifluzamide and captan account for composition is 5-90%, preferred 10%-80%, more preferably 20%-60%.
In described a kind of bactericidal composition that contains thifluzamide and captan, described active component thifluzamide and captan mix with liquid or solid carrier and/or surfactant.
Above-mentioned a kind of bactericidal composition that contains thifluzamide and captan of the present invention can only comprise active ingredient, also can mix together with additive, therefore a kind of bactericidal composition that contains thifluzamide and captan of the present invention can be prepared into various formulations, and the formulation of described bactericidal composition is suspending agent, plants clothing agent, wetting powder, water dispersible granules, micro-capsule granules, paste, aerosol, ZC, coated granule, extrudes granule, missible oil, microemulsion, aqueous emulsion, effervescent tablet.
A kind of bactericidal composition that contains thifluzamide and captan of the present invention is used for preventing and treating cereal, fruit, vegetables, flowers, lawn, economic crops.
The bactericidal composition that the present invention is a kind of to contain thifluzamide and captan is for the protection of the purposes of plant propagation material and the plant organ that grows subsequently.
The place control soil that the bactericidal composition that a kind of usefulness of the present invention contains thifluzamide and captan is applied to required control causes a disease or the purposes of saprophytic fungus and bacterium.
Detailed Description Of The Invention
The invention provides a kind of bactericidal composition with synergistic function that contains thifluzamide and captan.
Thifluzamide (Thifluzamide), molecular formula: C 13H 6Br 2F 6N 2O 2S, chemical name: 2', 6'-two bromo-2-methyl-4'-trifluoromethoxy-4-Trifluoromethyl-1,3-thiadiazoles-5-hydroxyl anilide.Structural formula is:
Figure 246700DEST_PATH_IMAGE001
Thifluzamide is all developed by Meng Shan at first, sells in ROHM AND HAAS in 1994.Thifluzamide is the succinate dehydrogenase inhibitor, because fluorine-containing, its its competitiveness in biochemical pathway is very strong, in case be combined with regard to difficult recovery with substrate or enzyme.Thifluzamide all has activity to pathomycetes such as Rhizoctonia, Puccinia, Ustilago, Tilletia, corticium, nuclear cavity Pseudomonas, especially the fungus-caused disease of Basidiomycetes such as banded sclerotial blight, damping off etc. is had special efficacy.Thifluzamide belongs to the thiazole amide bactericide, has strong interior conductivity and the long lasting effect of inhaling.Thifluzamide is applicable to the multiple application methods such as foliar spray, seed treatment and soil treatment, becomes the outstanding bactericide of the various crop diseases such as control paddy rice, peanut, cotton, beet, potato and lawn.
Captan (Captan) is the broad spectrum activity organosulfureous fungicide, has protection and therapeutic action concurrently.Sterling is white crystals, fusing point 178 oC is insoluble to oil, and it is unstable to meet alkali, decompose during near fusing point, and non-corrosiveness, but its catabolite is corrosive, and toxicity is low, to the high poison of fish, to the bird low toxicity, application on human skin is had excitant.Be mainly used in spraying, generally with 0.1% left and right sides concentration spraying.Also can make seed treatment, infusion product after the results carries out soil treatment before the sowing or before planting.For the scab of preventing and treating fruit tree, vegetables, flowers and other economic crops etc., downy mildew, powdery mildew, anthracnose, gray mold, early blight, late blight etc.
The present invention creatively unites two into one thifluzamide and captan, not only can prevent and treat the germ harm of cereal, fruit, vegetables, flowers, lawn, economic crops, can also doublely control the fungus and bacterium disease in the soil, it is multiplex to have a medicine, widens the diseases prevention spectrum.And be used for soil treatment or soak (mixing) kind, mashed kind, the mashed root that can prevent soil disease to cause ensure full stand, alleviate sprout term disease, better effects if.
The invention provides a kind of bactericidal composition that contains thifluzamide and captan.
Concrete scheme of the present invention is: a kind of bactericidal composition that contains active component thifluzamide and captan is comprised of following component: the suspending agent that thifluzamide, captan bactericide and insecticides adjuvant form, plant clothing agent, wetting powder, water dispersible granules, micro-capsule granules, paste, aerosol, ZC, coated granule, extrude granule, missible oil, microemulsion, aqueous emulsion, effervescent tablet.
Thifluzamide bactericide and captan bactericide are the Synergistic effective dosies in the composition of the present invention, the weight ratio of compound thifluzamide and captan is 1:100-100:1 in the present composition, preferred 1:50-50:1, preferred 1:20-20:1 again, more preferably 1:10-10:1, most preferably 1:5 is to 5:1.
Active component thifluzamide and captan bactericide account for the 5-90% of composition in the composition of the present invention, preferred 10%-80%, more preferably 20-60%.
Above-mentioned composition of the present invention can only comprise active ingredient, also can mix together with additive, therefore composition of the present invention can be prepared into various formulations, the liquor that forms such as thifluzamide, captan bactericide and insecticides adjuvant, wetting powder, water dispersible granules, suspending agent, the agent of kind clothing, aerosol, coated granule, effervescent tablet, aqueous emulsion, microemulsion etc.According to the character of these compositions and use purpose and the ambient conditions that composition will reach, can select composition is used with spraying, immersion, atomizing, the method for broadcasting sowing, pour, filling with root etc. and so on.
Can produce these preparations by known method.For example, in the situation of selectively using surfactant, by being mixed with filler, reactive compound prepares preparation, and described filler is the diluent or carrier of liquid or liquid gas or solid, said surfactant is emulsifier, dispersant, wetting agent.In the situation of water as filler, also can with an organic solvent, for example, organic solvent be used as cosolvent.
According to the present invention, term " carrier " refer to can be with reactive compound combined or associating so that it is easier to be administered to the natural or synthetic organic or inorganic compound of object (for example plant, crop or careless class).Therefore, described carrier is preferably inertia, and it is acceptable to should be at least agricultural.Described carrier can be solid or liquid.
Operable nonactive medium both can be that solid also can be liquid among the present invention, can be used as for example having that the solid media material uses: the phyteral powdery type (particle of soybean meal, starch, grain dust, wood powder, bark powder, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem for example, extract residue behind the plant essence etc.), paper, sawdust, pulverize synthesized polymer body, clay class (such as kaolin, bentonite, acid china clay etc.), the talcum powder class of synthetic resin etc.Silica (for example diatomite, silica sand, mica, moisture silicic acid, calcium silicates), chemical fertilizer, the clay fertilizer of active carbon, natural mineral matter class (float stone, attapulgite and zeolite etc.), the inorganic mineral powder of firing diatomite, sand, plastics medium etc. (such as polyethylene, polypropylene, polyvinylidene chloride etc.), potassium chloride, calcium carbonate, calcium phosphate etc., ammonium sulfate, ammonium phosphate, urea, greening ammonium etc., these materials can use separately or use with more than 2 kinds.
Can be used as can in following material, selecting of liquid media materials'use, water for example, alcohol type (methyl alcohol for example, ethanol, isopropyl alcohol, butanols, ethylene glycol etc.), ketone (acetone for example, methyl ethyl ketone, isobutyrone, cyclohexanone etc.), ethers (ether for example, dioxanes, methylcellulose, oxolane etc.), aliphatic hydrocarbon class (kerosene for example, the mineral wet goods), aromatic hydrocarbons class (benzene for example, toluene, dimethylbenzene, solvent naphtha, Fluhyzon, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, etc.), the halogenated hydrocarbon class, amide-type, the sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, the animal wet goods.
As other adjuvants can come choice for use according to application target, also can use separately, some occasion more than 2 kinds adjuvant share, or some occasion can not used adjuvant fully.For making the emulsification of active ingredient compound; disperse; solubilization; and/or the wetting surfactant that can use for example can be enumerated fatty alcohol-polyoxyethylene ether; polyoxyethylene alkylaryl ether; the polyoxyethylene high-grade aliphatic ester; the phosphate of polyoxyethylene alcohol or phenol; the fatty acid ester of polyalcohol; the alkane aromatic sulfonic acid; the naphthalene sulfonic acids polymer; lignosulfonates; a dress copolymer of macromolecule comb shape; butyl naphthalene sulfonate; alkylaryl sulfonates; the alkyl sodium sulfosuccinate; grease; fatty alcohol and ethylene oxide condensate; the polyacrylates such as alkyltaurate; protein hydrolysate.Suitable oligosaccharide thing or polymer are for example based on the combination of independent vinyl monomer, acrylic acid, EO and/or PO or itself and for example (polynary) alcohol or (polynary) amine.
For making active ingredient compound decentralized stabilization, adhering to and/or combination, can use such as adjuvants such as xanthans, aluminium-magnesium silicate, gelatin, starch, methyl cellulose, polyvinyl alcohol, polyvinyl acetate and natural phospholipid (such as cephalin and lecithin) and synthetic phospholipid, bentonite, sodium lignin sulfonates.
The optional spent glycol of antifreezing agent wherein, propane diols, glycerine, sorbierite.Can use adjuvant such as naphthalene sulfonic acids polymer, polymeric phosphate etc. as the deflocculant of suspension product.
Defoamer can use silicone defoaming agent.
Operable colouring agent, inorganic pigment for example is such as iron oxide, titanium oxide and Prussian blue; And organic pigment/dyestuff: alizarin dyes, azo dyes and metal phthalocyanine dyestuff; And trace element, for example molysite, manganese salt, boron salt, mantoquita, cobalt salt, molybdenum salt and zinc salt.
Randomly, also can comprise other annexing ingredient, for example protecting colloid, adhesive, thickener, thixotropic agent, bleeding agent, stabilizing agent, screening agent.
Described a kind of formulation that contains the composition pesticide of thifluzamide and captan is: aerosol, suspending agent, the micro-capsule granula, granula subtilis, concentrate can flow, the ready to use solution agent, pulvis, aqueous emulsion, oil emu, fine granule, the oil dispersion powder, the miscible mobile concentrate of oil, the miscible liquid of oil, foaming agent, paste, suspending concentrate, suspension emulsion, solubility concentrates thing, soluble powder, granule, water-soluble granular and/or tablet, water solube powder, wetting powder, natural or synthetic material through the reactive compound dipping, microcapsules in the polymeric material and water-dispersible granule.In preferred embodiments, described composition pesticide is suspending agent, water dispersible granules, wetting powder, suspension emulsion and/or microcapsule suspending agent.
Described preparation of the present invention can mix described reactive compound by known way and prepare with conventional additives.Described conventional additives such as conventional extender and solvent or thinner, emulsifier, dispersant and/or adhesive or fixative, wetting agent, waterproofing agent, if necessary, can also comprise drier and colouring agent, stabilizing agent, pigment, defoamer, preservative, thickener, water and other processing aid.
These compositions not only comprise and can be applicable to immediately pending object such as spraying or dusting equipment by suitable equipment, are applied to the concentrated commercial composition that need dilute before the object but also be included in.
Composition of the present invention can be made the preparation that is suitable for using with the form of the composition of its active compound component, also can use with the form of the combination of the commodity preparation of its suitable dosage.
Composition of the present invention can also be co-administered with other active component, such as fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, weed killer herbicide, safener, fertilizer or semiochemical etc. of described other active component.
Composition of the present invention or combination can also be presented as the form of kit, and it comprises thifluzamide and captan.On the other hand, the invention still further relates to the germ harm that described kit is used for preventing and treating cereal, fruit, vegetables, flowers, lawn, economic crops.The invention still further relates to described kit for the protection of plant propagation material and the plant organ that grows subsequently.The invention still further relates to the pathogenic or saprophytic fungus and bacterium of place control soil that described kit is applied to required control.
Described a kind of composition pesticide that contains thifluzamide and captan is used for preventing and treating cereal, fruit, vegetables, flowers, lawn, economic crops.Common germ has stem canker, leaf rust, smut, bunt, rust, stem rot, gray mold, southern blight, anthracnose, bud rot, Brown patch disease, huge pinta, fairy ring, red thread, false smut, spot defoliation, leaf spot, epidemic disease, head blight, downy mildew, banded sclerotial blight, powdery mildew, phytophthora rot, anthracnose, brown spot, tar spot, balck shank, soft rot, canker, purple spot, damping off, stem wilt, damping off, the seedling epidemic disease, leaf blight, rust, black spot, scab.
Can use the useful plant of bactericidal composition of the present invention to comprise a lot, for example: paddy rice, peanut, cotton, beet, potato, lawn, wheat, barley, cucumber, grape, mango, wax-apple, strawberry, apple, banana, tomato, sunflower,, pears, potato, corn, pear tree, coffee, ornamental plants class.
Described a kind of composition pesticide that comprises thifluzamide and captan is used for multiple causing a disease or the purposes of saprophytic fungus and bacterium in prevention or the control soil.The example of soilborne fungoid disease substance comprises Alternaria (Alternaria spp.), Ascochyta (Ascochyta spp.), Botrytis cinerea (Botrytis cinerea), Cercospora (Cercospora spp.), ergot (Claviceps purpurea), standing grain cochliobolus (Cochliobolus sativus), Colletotrichum (colletotrichum spp.), Epicoccum (Epicoccum spp.), F.graminearum schw (Fusarium graminearum), rice is disliked seedling chain spore (Fusarium moniliforme), fusarium oxysporum (Fusarium oxysporum), fusarium moniliforme (Fusarium proliferatum), fusariun solani (Fusarium solani), dimension glue chain spore (Fusarium subglitinans), Helminthosporium (Helminthosporium spp), avenge rotten microtorr bacterium (Microdochium nivale), Penicillium (Pencillium spp), Phoma (Phoma spp.), wheat class nuclear cavity bacteria (Pyrenophora graminea), rice blast Pyricularia Sacc. (Pyricularia oryzae), Rhizoctonia solani Kuhn (Rhizoctonia solani), Rhizoctonia cerealis (Rhizoctonia cerealis), Sclerotinia (Sclerotinia spp.), Septoria (Septoria spp.), silk axle smut (Sphacelotheca reilliana), Tilletia (Tilletia spp.), meat spore nuclear coral bacterium (Typhula incarnate), hidden smut (Urocystis occulta), Ustilago (Ustilago spp.) or Verticillium (Verticillium spp.).
The soil germ has rhizoctonia solani, sickle-like bacteria, pythium spp, phytophthora, the bacterium of dampinging off, root rot, pythium spp, botrytis cinerea, soft-rot fungi etc.In the ordinary course of things, the soil germ can produce a large amount of thalline, the host is susceptible as long as condition is grown favourable to pathogen growth, germ just can also can be infected the host by amount reproduction, in the presence of susceptible host, these germs just can enter the lasting pathogenic phase, the amount reproduction diffusion along with the continuous cropping of crop, but nutrient has been consumed or soil condition such as temperature, humidity etc. when unfavorable to germ afterwards, and germ can enter resting stage again.When susceptible host does not exist, under the soil-borne disease bacterium also can survive in soil, except the soil germ has widely host range, can also survive root surface or the broken branches and fallen leaves of non-host, have saprophytic competitive ability with it and be undivided.But different germs are discrepant, almost can survive indefinite duration in soil as sickle-like bacteria.
The soil of said plant or cultivation medium refer to the supporter that can make crops take root, grow when using method of the present invention is implemented, for example: soil, water etc., concrete raw material can use such as sand, float stone, vermiculite, diatomite, agar-agar, gelling material, polymer substance, asbestos, wood chip, bark etc.
Use the method for medicament in the soil, for example be diluted in liquid preparation in the water or do not dilute the root that directly is applied to plant corpus or the medium method in rice seedling bed that seedling is used, method in the rice seedling bed of the root of plant corpus or seedling that granule is disseminated to have prior to seeding pulvis, water dispersible granules etc. is sprayed in the soil and with the whole method of mixing of soil, to be sprayed in implantation hole, the seed furrow behind pulvis, the water-dispersible grain dilution agent before the sowing or before the serike body, in the method for sowing etc.
Described a kind of composition pesticide that comprises thifluzamide and captan is for the protection of the purposes of plant propagation material and the plant organ that grows subsequently.
Term " plant propagation material " is interpreted as the plant part that refers to that all have fertility, seed for example, and it can be used for the breeding latter, and vegetable matter for example cuttage bar or stem tuber (for example potato).Therefore, plant part used herein comprises plant propagation material.What can mention is seed (narrowly) for example, root, fruit, stem tuber, bulb, rhizome and plant part.Germination plant and effective plant until germinate from soil rear or the rear inhibition of emerging also can be mentioned.Immature plant can be undertaken all by dipping before transplanting or Local treatment is protected.
Plant part and the plant organ that grows subsequently are for example any parts of the plant of seed generation of oily plant propagation material.Plant part, plant organ and plant also can be benefited from the cause of disease infringement protection that obtains by composition pesticide being applied to plant propagation material.In embodiment, the plant organ that grows after certain plants part and some institute also can be regarded plant propagation material as, himself can use with composition pesticide (or processing); Thereby also can be benefited from the cause of disease infringement protection that obtains by composition pesticide being applied to certain plants part and certain plants organ by plant, other plant part and other plant organ that treated plant part and treated plant organ produce.
Preferably, propagating materials is seed, the method of seed treatment, for example can enumerate, the medicament of diluent liquid or solid shape or need not dilute directly is immersed in seed the method that makes medicament soak into seed in the liquid condition solution, solid chemicals or liquid preparation is mixed with seed, carries out Cotton seeds and makes the surface of the seed adhere to the method for medicament, the method such as sprays when planting near seed.
Method of the present invention also provides with separately, successively or the co-administered described reactive compound of simultaneous system.In one embodiment, use simultaneously thifluzamide and captan.In another embodiment, use successively thifluzamide and captan.In another embodiment, separate administration thifluzamide and captan.
In a preferred embodiment, method of the present invention comprise with.The present composition that comprises thifluzamide and captan is administered to object.
Bactericidal composition of the present invention can be made into common medicament form, medicament forms such as missible oil, wetting powder, suspending agent, liquor, granule, the agent of kind clothing is used, its amount of application, according to mixing ratio, meteorological condition, the medicament form of active ingredient, use period, application process, use the place, prevent and kill off the target pest, the difference of target crops etc. and variant:
-usually process for leaf section: 0.1-10000g/ha, preferred 10-1000 g/ha, more preferably 50-300 g/ha; For dipping or instil use for, described dosage even can also reduce is particularly when using inert base such as asbestos or pearl rock;
-for seed treatment: 2-200 g/100kg seed, preferred 3-150 g/100kg seed;
-for soil treatment: 0.1-10000 g/ha, preferred 1-5000 g/ha.
Above-mentioned dosage only is general exemplary dose, and those skilled in the art can according to actual conditions and needs, especially adjust rate of application according to the character of pending plant or crop and the seriousness of germ during actual using.
Should be pointed out that on the meaning of the present invention that term " thifluzamide and captan combination/associating " comprises and separates, uses successively or simultaneously thifluzamide and captan.Preferably, described thifluzamide and captan are combined as the form of the composition that comprises thifluzamide and captan.
A kind of bactericidal composition that contains thifluzamide and captan of the present invention and uses thereof, thifluzamide and captan is composite, has synergistic function, not only can prevent and treat the germ harm of cereal, fruit, vegetables, flowers, lawn, economic crops, can also doublely control the fungus and bacterium disease in the soil, it is multiplex to have a medicine, widens the diseases prevention spectrum.And be used for soil treatment or soak (mixing) kind, mashed kind, the mashed root that can prevent soil disease to cause ensure full stand, alleviate sprout term disease, better effects if.
Embodiment
For describing better the present invention, provide following exemplary.Yet, should be appreciated that the present invention is not limited to given embodiment.
Embodiment 1:
Thifluzamide and captan are to the Toxicity Determination agent proportioning screening of rice sheath blight disease
Adopt spray-on process, measure thifluzamide and the composite indoor virulence to rice sheath blight disease of captan of different proportion.
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, when CTC≤80, then compositions table reveals antagonism, when 80≤CTC≤120, then compositions table reveals summation action, and when CTC 〉=120, then compositions table reveals synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture 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
The composite Toxicity Determination to rice sheath blight disease of table 1 thifluzamide and captan
The Toxicity Determination of the rice sheath blight disease that the thifluzamide of employing spray-on process mensuration different proportion and captan are composite
Figure 163841DEST_PATH_IMAGE002
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to the coffee leaf rust of embodiment 2 thifluzamides and captan
The composite Toxicity Determination to the coffee leaf rust of table 2 thifluzamide and captan
Figure 881261DEST_PATH_IMAGE003
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to powdery mildew of cucumber of embodiment 3 thifluzamides and captan
The composite Toxicity Determination to cucumber anthracnose of table 3 thifluzamide and captan
Figure 469280DEST_PATH_IMAGE004
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to the apple tree ring spot of embodiment 4 thifluzamides and captan
The composite Toxicity Determination to the apple tree ring spot of table 4 thifluzamide and captan
Figure 283653DEST_PATH_IMAGE005
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to wheat sharp eyespot of embodiment 5 thifluzamides and captan
The composite Toxicity Determination to wheat sharp eyespot of table 5 thifluzamide and captan
Figure 43798DEST_PATH_IMAGE006
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to downy mildew of garpe of embodiment 6 thifluzamides and captan
The composite Toxicity Determination to downy mildew of garpe of table 6 thifluzamide and captan
Figure 497782DEST_PATH_IMAGE007
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to grey mould fruit rot of strawberry of embodiment 7 thifluzamides and captan
The composite Toxicity Determination to grey mould fruit rot of strawberry of table 7 thifluzamide and captan
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to early blight of tomato of embodiment 8 thifluzamides and captan
The composite Toxicity Determination to early blight of tomato of table 8 thifluzamide and captan
Figure 303244DEST_PATH_IMAGE009
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to potato black scurf of embodiment 9 thifluzamides and captan
The composite Toxicity Determination to potato black scurf of table 9 thifluzamide and captan
Figure 483559DEST_PATH_IMAGE010
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to peanut sclerotium rolfsii of embodiment 10 thifluzamides and captan
The composite Toxicity Determination to peanut sclerotium rolfsii of table 10 thifluzamide and captan
Figure 175571DEST_PATH_IMAGE011
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to the huge pinta in lawn of embodiment 11 thifluzamides and captan
The composite Toxicity Determination to the huge pinta in lawn of table 11 thifluzamide and captan
Figure 99534DEST_PATH_IMAGE012
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to the soil pythium spp of embodiment 12 thifluzamides and captan
The composite Toxicity Determination to the soil pythium spp of table 12 thifluzamide and captan
Figure 622919DEST_PATH_IMAGE013
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to wheat leaf rust of embodiment 13 thifluzamides and captan
The composite Toxicity Determination to wheat leaf rust of table 13 thifluzamide and captan
Figure 990446DEST_PATH_IMAGE014
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
The composite Toxicity Determination to oranges and tangerines resin disease of embodiment 14 thifluzamides and captan
The composite Toxicity Determination to oranges and tangerines resin disease of table 14 thifluzamide and captan
Figure 2012105819918100002DEST_PATH_IMAGE015
The result shows that thifluzamide and captan have obvious synergistic effect between proportioning 1:100-100:1, and co-toxicity coefficient is more than 120.
Embodiment 15 water dispersible granules
Thifluzamide 1%
Captan 50%
Polyvinyl alcohol 5%
Lauryl sodium sulfate 7%
Sodium lignin sulfonate 11%
Kaolin complements to 100%
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, namely get said preparation after the drying.
This embodiment is used for preventing and treating downy mildew of garpe.By 5000 extraordinarily water dilution sprayings, 7 days control efficiency is 93.1% behind the medicine with said preparation.240g/L thifluzamide suspending agent is pressed 500 times of liquid, the use that uses the same method, and 7 days preventive effect is 46% behind the medicine.80% captan water dispersible granule uses with same method by 500 times, and 7 days preventive effect is that the composite rear synergistic effect of 75.3%. thifluzamide and captan is obvious behind the medicine, and the preventive effect of downy mildew of garpe is significantly better than single dose; Because pharmacy control efficacy improves, the amount ratio of compound drug active ingredient uses obviously separately and reduces, thereby has alleviated the pollution to environment.
Embodiment 16 wetting powders (gross weight of preparation is 100 parts)
Thifluzamide 50%
Captan 10%
Alkylnaphthalene sulfonate formaldehyde condensation products 5%
Sodium alkyl benzene sulfonate 3%
Sodium lignin sulfonate 11%
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, namely get said preparation.
This embodiment is used for the anthracnose of control cucumber.By 5000 extraordinarily water dilution sprayings, 7 days control efficiency is 91.2% behind the medicine with said preparation.240g/L thifluzamide suspending agent is by 500 times, use with same method, 7 days preventive effect is that 50.3%. 50% captan wetting powder is by 500 times behind the medicine, use with same method, 7 days preventive effect is that the composite rear synergistic effect of 70.5%. thifluzamide and captan is obvious behind the medicine, and the cucumber anthracnose preventive effect is significantly better than single dose; Because pharmacy control efficacy improves, the amount ratio of compound drug active ingredient uses obviously separately and reduces, thereby has alleviated the pollution to environment.
Embodiment 17 suspending agents (gross weight of preparation is 100 parts)
Thifluzamide 50%
Captan 1%
Propane diols 5%
Phosphoric acid ester 3.5%
Xanthans 0.2%
Dioctyl sodium sulfosuccinate 0.7%
Water complements to 100%
Take by weighing according to the above ratio and have the high microbicide compositions of synergistic effect and prepare material, load weighted above-mentioned raw material except xanthans is fully mixed, after sand mill grinds, mixing with a certain proportion of xanthans that configures, namely get said preparation.
This embodiment is used for control apple tree ring spot.By 5000 extraordinarily water dilution sprayings, 7 days control efficiency is 89.5% behind the medicine with said preparation.240g/L thifluzamide suspending agent uses with same method by 500 times, behind the medicine 7 days preventive effect be 43.3%. 80% captan water dispersible granule by 500 times, use with same method, 7 days preventive effect is 54.5% behind the medicine.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of apple tree ring spot is significantly better than single dose; Because pharmacy control efficacy improves, the amount ratio of compound drug active ingredient uses obviously separately and reduces, thereby has alleviated the pollution to environment.
Embodiment 18 wetting powders (gross weight of preparation is 100 parts)
Thifluzamide 0.5%
Captan 50%
Alkylnaphthalene sulfonate formaldehyde condensation products 5%
Alkyl polyoxyethylene ether sulfonate 4%
NONIN HS 240 3%
(8-9 moles of ethylene oxide)
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, namely get said preparation.
This embodiment is used for preventing and treating rice sheath blight disease.In 5000 times of ratio dilution sprayings, 7 days control efficiency is 98.5% behind the medicine with said preparation.240g/L thifluzamide suspending agent uses with same method by 500 times, behind the medicine 7 days preventive effect be 83.3%. 80% captan water dispersible granule by 500 times, use with same method, 7 days preventive effect is 21.5% behind the medicine.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of rice sheath blight disease is significantly better than single dose; Because pharmacy control efficacy improves, the amount ratio of compound drug active ingredient uses obviously separately and reduces, thereby has alleviated the pollution to environment.
Embodiment 19 water dispersible granules (gross weight of preparation is 100 parts)
Thifluzamide 20%
Captan 1%
Polyvinyl alcohol 5%
Lauryl sodium sulfate 7%
Sodium lignin sulfonate 11%
Kaolin complements to 100%
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, namely get said preparation after the drying.
This embodiment is used for the control Soil Fusarium.Sample amount in accordance with regulations with present embodiment in by the sickle-like bacteria contaminated soil is done soil treatment.The seed of 7 corns of sowing.The sowing beginning in the investigation Causal Organism of Maize Basal Stalk incidence of disease, was cut off corn after 66 days
A: the stem that withered 2-the 3rd joint of whole strain is seen, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculate killed index according to evaluation result.
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of 0.5Kg a.i./ha.The incidence of disease of the Causal Organism of Maize Basal Stalk of present embodiment is 10%, and killed index is 20%.
240g/L thifluzamide suspending agent is used by same amount with same method by 500 times, and the incidence of disease of Causal Organism of Maize Basal Stalk is 70%, and killed index is 50%; 80% captan water dispersible granule uses the same method and uses by same amount by 500 times, and the incidence of disease of Causal Organism of Maize Basal Stalk is 50%, and killed index is 50%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the preventive effect of Soil Fusarium significantly better than single dose.
Embodiment 20 wetting powders (gross weight of preparation is 100 parts)
Thifluzamide 2%
Captan 40%
Alkylnaphthalene sulfonate formaldehyde condensation products 5%
Alkyl polyoxyethylene ether sulfonate 4%
NONIN HS 240 3%
(8-9 moles of ethylene oxide)
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, namely get said preparation.
This embodiment is used for control soil Rhizoctonia solani Kuhn.Sample amount in accordance with regulations with present embodiment in by the Rhizoctonia solani Kuhn contaminated soil is done soil treatment.The seed of 7 cottons of sowing.The sowing beginning is after 66 days, and in the investigation cotton seedling blight incidence of disease, the 2-the 3rd that cuts off cotton saves the stem of seeing, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculates killed index according to evaluation result.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of 0.5Kg a.i./ha.The incidence of disease of the cotton seedling blight of present embodiment is 15%, and killed index is 20%.240g/L thifluzamide suspending agent is used by same amount with same method by 500 times, and the incidence of disease of cotton seedling blight is 70%, and killed index is 63%; 50% captan wetting powder uses the same method and uses by same amount by 500 times, and the incidence of disease of cotton seedling blight is 80%, and killed index is 90%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the processing of soil Rhizoctonia solani Kuhn significantly better than single dose.
Embodiment 21 wetting powders (gross weight of preparation is 100 parts)
Thifluzamide 20%
Captan 40%
Alkylnaphthalene sulfonate formaldehyde condensation products 5%
Alkyl polyoxyethylene ether sulfonate 4%
NONIN HS 240 3%
(8-9 moles of ethylene oxide)
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, behind ultra-fine pulverizer disintegrating, namely get said preparation.
This embodiment is used for control soil pythium spp.Sample amount in accordance with regulations with present embodiment in by the soil of Pythium contamination is done soil treatment.Cuttage 7 strain Strawberry seedlings.In the time of 30 days rotten mildew incidences of disease of " Invest, Then Investigate " strawberry of cuttage, the 2-the 3rd that cuts off strawberry saves the stem of seeing, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculates killed index according to evaluation result.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of 0.5Kg a.i./ha.The incidence of disease of the rotten mildew of the strawberry of present embodiment is 15%, and killed index is 20%.240g/L thifluzamide suspending agent is used by same amount with same method by 500 times, and the incidence of disease of the rotten mildew of strawberry is 70%, and killed index is 70%; 50% captan wetting powder uses the same method and uses by same amount by 500 times, and the incidence of disease of the rotten mildew of strawberry is 80%, and killed index is 90%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the processing of soil pythium spp significantly better than single dose.
Embodiment 22 water dispersible granules (gross weight of preparation is 100 parts)
Thifluzamide 20%
Captan 10%
Polyvinyl alcohol 5%
Lauryl sodium sulfate 7%
Sodium lignin sulfonate 6%
Kaolin complements to 100%
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, namely get said preparation after the drying.
This embodiment is used for control soil botrytis cinerea.Sample amount in accordance with regulations with present embodiment in by the botrytis cinerea contaminated soil is done soil treatment.The seed of 7 wheats of sowing.The sowing beginning is after 66 days, and in the investigation wheat gray mold incidence of disease, the 2-the 3rd that cuts off wheat saves the stem of seeing, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculates killed index according to evaluation result.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of Kg a.i./ha.The incidence of disease of the wheat gray mold of present embodiment is 5%, and killed index is 10%.240g/L thifluzamide suspending agent is used by same amount with same method, and the incidence of disease of wheat gray mold is 80%, and killed index is 80%; 80% captan water dispersible granule uses the same method and uses by same amount, and the incidence of disease of wheat gray mold is 80%, and killed index is 80%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the processing of soil botrytis cinerea significantly better than single dose.
23 kinds of clothing agent of embodiment (gross weight of preparation is 100 parts)
Thifluzamide 5%
Captan 50%
Propane diols 5%
Phosphoric acid ester 3.5%
Xanthans 0.2%
Dioctyl sodium sulfosuccinate 0.7%
Water complements to 100%
Take by weighing according to the above ratio and have the high microbicide compositions of synergistic effect and prepare material, load weighted above-mentioned raw material except xanthans is fully mixed, after sand mill grinds, mixing with a certain proportion of xanthans that configures, namely get said preparation.
This embodiment is used for the control Tilletia caries.Said preparation is carried out dressing according to 20g active ingredient/100 kilogram seed.240g/L thifluzamide suspending agent is used by same amount with same method, and the preventive effect of flag smut of wheat reaches 78%; 450g/L captan suspension seed-coating agent uses the same method and uses by same amount, and the preventive effect of flag smut of wheat is 85%.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of wheat net bunt reaches 95%.
Embodiment 24 aerosols (gross weight of preparation is 100 parts)
Thifluzamide 50%
Captan 5%
Propane diols 5%
Phosphoric acid ester 3.5%
The castor oil of ethoxylation (EL-40) 2.0%
Solvesso 100 complements to 100%
At first with the antifreezing agent propane diols, thinner SOLVESSO 100 mixes, and stirs lower add thifluzamide and captan; Surfactant is added wherein, under agitation pulverize by a breaking plant colloid mill, will be by the suspension behind the colloid mill, again through a micronizer.Move in circles till the particle diameter≤2um of solids.
This embodiment is used for control soil black scurf of potato.Sample amount in accordance with regulations with present embodiment in by julienne potatoes pyrenomycetes contaminated soil is done soil treatment.The stem tuber of 7 potatos of sowing.The sowing beginning is after 66 days, and in the investigation black scurf of potato incidence of disease, the 2-the 3rd that cuts off potato saves the stem of seeing, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculates killed index according to evaluation result.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of 0.5Kg a.i./ha.The incidence of disease of the potato black scurf of present embodiment is 5%, and killed index is 5%.240g/L thifluzamide suspending agent is used by same amount with same method, and the incidence of disease of potato black scurf is 57%, and killed index is 80%; 80% captan water dispersible granule uses the same method and uses by same amount, and the incidence of disease of potato black scurf is 40%, and killed index is 90%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the preventive effect of potato black scurf significantly better than single dose.
Embodiment 25 ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Thifluzamide 10%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Captan 50%
Water complements to 100%
With PAPI, the oil phase that captan and Solvesso 100 form adds and contains in the aqueous solution of Atlox4913, forms emulsion.Then heat and be incubated 50 oAdded catalyst reaction 2 hours under the C.Obtain the microcapsules of captan after the cooling.Atlox 4913, dispersant LFH, and defoamer, urea, thifluzamide and water mix in proportion, and through sand milling, are prepared into suspending agent.The microcapsules of the captan that obtains is added in the aqueous suspension agent of thifluzamide, and stirring obtains 10% thifluzamide+50% captan ZC.
This embodiment is used for the control Brown patch disease.Said preparation is pressed the spraying of 200g/ha amount cauline leaf process, 7 days control efficiency is 86.3% behind the medicine.240g/L thifluzamide suspending agent uses the same method and uses, and 7 days preventive effect is 45% behind the medicine.80% captan water dispersible granule is used with same method, and 7 days preventive effect is that the composite rear synergistic effect of 40.1%. thifluzamide and captan is obvious behind the medicine, and the preventive effect of Brown patch disease is significantly better than single dose.
Embodiment 26 extrudes granule
Thifluzamide 45%
Captan 45%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind the mixture water-wet.This mixture is extruded, then dry in air stream.
This embodiment is used for the control peanut sclerotium rolfsii.By 5000 extraordinarily water dilution sprayings, 7 days control efficiency is 90% behind the medicine with said preparation.240g/L thifluzamide suspending agent uses the same method and uses by 500 times of liquid, and 7 days preventive effect is 48% behind the medicine.80% captan water dispersible granule is used with same method by 500 times, and 7 days preventive effect is 20% behind the medicine.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of peanut sclerotium rolfsii is significantly better than single dose.
Embodiment 27 coated granules
Thifluzamide 20%
Captan 60%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In blender, levigate active component evenly is applied to by on the wetting carrier of polyethylene glycol.Can obtain dustless coated granule in this way.
This embodiment is used for control soil Rhizoctonia solani Kuhn and ulcer bacteria.Sample amount in accordance with regulations with present embodiment in by Rhizoctonia solani Kuhn and ulcer bacteria contaminated soil is done soil treatment.The seed of 7 cottons of sowing.The sowing beginning is after 20 days, and in the investigation cotton seedling blight incidence of disease, the 2-the 3rd that cuts off cotton seedling saves the stem of seeing, according to following standard the browning degree of conduit is carried out the 5th Phase Evaluation, calculates killed index according to evaluation result.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: conduit does not have brown stain
N: investigation strain number (being 7 in the situation of this experiment)
Killed index=(4A+3B+2C+1D)/4N}X100
Press the formulation rate dispenser of 0.5Kg a.i./ha.The incidence of disease of the cotton seedling blight of present embodiment is 5%, and killed index is 5%.240g/L thifluzamide suspending agent is used by same amount with same method, and the incidence of disease of cotton seedling blight is 60%, and killed index is 75%; 80% captan water dispersible granule uses the same method and uses by same amount, and the incidence of disease of cotton seedling blight is 90%, and killed index is 90%.The composite rear synergistic effect of thifluzamide and captan is obvious, to the preventive effect of cotton seedling blight significantly better than single dose.
Embodiment 28 missible oil
Thifluzamide 50%
Captan 0.5%
Ethoxylated castor oil 10%
Calcium dodecyl benzene sulfonate 6%
Solvesso 100 complements to 100%
With active ingredient, auxiliary agent and stirring solvent to transparent and homogeneous mutually, namely obtain missible oil.
This embodiment is used for preventing and treating early blight of tomato.Said preparation is processed by 2000 times of liquid sprayings, and 7 days control efficiency is 94.8% behind the medicine.240g/L thifluzamide suspending agent uses the same method and uses by 500 times of liquid, and 7 days preventive effect is 80% behind the medicine.50% captan wetting powder is used with same method by 500 times, and 7 days preventive effect is that the composite rear synergistic effect of 56.3%. thifluzamide and captan is obvious behind the medicine, and the preventive effect of early blight of tomato is significantly better than single dose.
Embodiment 29 effervescent tablets
Thifluzamide 1%
Captan 4%
Dimethomorph 4.0 %
Captan 20.0%
Polyvinyl alcohol 2.0 %
Sodium Laurylsulfate 4.0%
Calcium carbonate 5.0%
White carbon complements to 100%
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, namely get said preparation after the drying.
This embodiment is used for control coffee rust.Said preparation is processed by 1000 times of liquid sprayings, and 7 days control efficiency is 96.2% behind the medicine.240g/L thifluzamide suspending agent uses the same method and uses by 500 times of liquid, and 7 days preventive effect is 78% behind the medicine.80% captan water dispersible granule is used with same method by 500 times, and 7 days preventive effect is that the composite rear synergistic effect of 15%. thifluzamides and captan is obvious behind the medicine, and the preventive effect of coffee rust is significantly better than single dose.
Embodiment 30 pastes
Thifluzamide 5%
Captan 5%
Lignosulfonates 10.0%
Octyl phenol polyglycol ether (11-14 moles of ethylene oxide) 5.0%
Water complements to 100%
Above-mentioned substance is mixed to homogeneous phase, namely obtain paste.
This embodiment is used for preventing and treating root rot of sugar beet.Said preparation is carried out dressing according to 20g active ingredient/100 kilogram seed.240g/L thifluzamide suspending agent and 450g/L captan suspension seed-coating agent are used the same method Cotton seeds.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of root rot of sugar beet reaches 95%, and single dose 240g/L thifluzamide suspending agent is 50% to the preventive effect of root rot of sugar beet, and 450g/L captan suspension seed-coating agent is 60% to the preventive effect of root rot of sugar beet.
Embodiment 31 microemulsions
Dimethomorph 20.0 %
Captan 20.0%
Polyvinyl alcohol 10.0 %
Calcium dodecyl benzene sulfonate 5.0%
Water complements to 100%
Obtain the solution of clear after above-mentioned substance stirred.
This embodiment is used for preventing and treating bitter rot or anthracnose of grape.By 3000 extraordinarily water dilution sprayings, 7 days control efficiency is 94.5% behind the medicine with said preparation.240g/L thifluzamide suspending agent is used with same method by 500 times, behind the medicine 7 days preventive effect be 50.3%. 80% captan water dispersible granule by 500 extraordinarily water dilution sprayings, 7 days preventive effect is 60% behind the medicine.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of bitter rot or anthracnose of grape is significantly better than single dose.
Embodiment 32 aqueous emulsions
Thifluzamide 15%
Captan 5.0 %
1-METHYLPYRROLIDONE 15.0%
Ethoxylated castor oil 4.0%
Calcium dodecyl benzene sulfonate 3.0%
Water complements to 100%
Thifluzamide is dissolved in the 1-METHYLPYRROLIDONE fully, adds in the solution of captan, ethoxylated castor oil, calcium dodecyl benzene sulfonate, obtain aqueous emulsion after the high shear.
It is sick that this embodiment is used for control oranges and tangerines resin.By 2000 extraordinarily water dilution sprayings, 7 days control efficiency is 95.5% behind the medicine with said preparation.240g/L thifluzamide suspending agent is used with same method by 500 times, behind the medicine 7 days preventive effect be 40.3%. 80% captan water dispersible granule by 500 extraordinarily water dilution sprayings, 7 days preventive effect is 70% behind the medicine.The composite rear synergistic effect of thifluzamide and captan is obvious, and the preventive effect of oranges and tangerines resin disease is significantly better than single dose.

Claims (15)

1. a bactericidal composition that contains thifluzamide and captan is characterized in that: contain active component thifluzamide and captan.
2. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: described active component thifluzamide and captan weight ratio are 1:100-100:1.
3. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight ratio of described active component thifluzamide and captan is: 1:50-50:1.
4. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight ratio of described active component thifluzamide and captan is: 1:20-20:1.
5. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight ratio of described active component thifluzamide and captan is: 1:10-10:1.
6. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight ratio of described active component thifluzamide and captan is: 1:5-5:1.
7. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight percentage that described active component thifluzamide and captan account for described composition is 5%-90%.
8. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight percentage that described active component thifluzamide and captan account for described composition is 10%-80%.
9. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: the weight percentage that described active component thifluzamide and captan account for described composition is 20%-60%.
10. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1, it is characterized in that: described active component thifluzamide and captan mix with liquid or solid carrier and/or surfactant.
11. a kind of bactericidal composition that contains thifluzamide and captan according to claim 1 is characterized in that: the formulation of described bactericidal composition is suspending agent, plants clothing agent, wetting powder, water dispersible granules, micro-capsule granules, paste, aerosol, ZC, coated granule, extrudes granule, missible oil, microemulsion, aqueous emulsion, effervescent tablet.
12. according to each a kind of bactericidal composition that contains thifluzamide and captan in the aforementioned claim, it is characterized in that: also comprise one or more other active components.
13. a kind of bactericidal composition of thifluzamide and captan that contains claimed in claim 1 is for the purposes of the germ harm that prevents and treats cereal, fruit, vegetables, flowers, lawn, economic crops.
14. a kind of bactericidal composition that contains thifluzamide and captan claimed in claim 1 is for the protection of the purposes of plant propagation material and the plant organ that grows subsequently.
15. the described a kind of bactericidal composition that contains thifluzamide and captan of claim 1 is applied to the purposes of the pathogenic or saprophytic fungus and bacterium of the place control soil of required control.
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CN110651794A (en) * 2019-10-18 2020-01-07 安徽江淮园艺种业股份有限公司 Bactericide composition containing fluorobenzene ether amide and captan

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