CN104904733A - Method for protecting plants from plant diseases - Google Patents
Method for protecting plants from plant diseases Download PDFInfo
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- CN104904733A CN104904733A CN201410086841.9A CN201410086841A CN104904733A CN 104904733 A CN104904733 A CN 104904733A CN 201410086841 A CN201410086841 A CN 201410086841A CN 104904733 A CN104904733 A CN 104904733A
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- pyraclostrobin
- hymexazo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Soil Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to uses of a sterilization composition containing pyraclostrobin and hymexazol in protection of plant propagation materials and subsequently growing plant organs. The present invention further relates to a method for protecting plants from plant diseases, wherein the method comprises applying an effective amount of the pyraclostrobin and hymexazol active compound conjugate or composition on plant propagation materials or environments thereof. A plant seed protection method comprises making seeds contact an effective amount of the pyraclostrobin and hymexazol active compound conjugate or composition before sowing and/or after germination accelerating. The invention further provides the seeds treated by applying the active compound conjugate or composition containing effective amounts of the pyraclostrobin and the hymexazol.
Description
Technical field
What the present invention relates to is a kind ofly comprise pyraclostrobin with the bactericidal composition of hymexazo is for the protection of plant propagation material and the purposes of plant organ that grows subsequently.The invention still further relates to a kind of method that protective plant avoids plant disease.
Background technology
The infringement to crop that major part is caused by noxious plant pathogenic bacteria, as far back as seed, after memory period and seed are sown into soil and during plant germination or after germinateing, is invaded and harassed and just be there occurs.This stage is crucial especially because just the root of growing plant and tender shoots responsive especially, even small infringement also can cause the death of whole strain plant.By process plant seed, to prevent and treat noxious plant pathogenic bacteria be known for a long time and be the theme updated.But it is not to find the problem solved in a satisfactory manner that process seed also brings a series of.Therefore, need exploitation protection seed and the method for germination plant, it can be exempted and additionally uses crop protection products more after planting or after plant germination.In addition, also need the amount optimizing reactive compound used, thus can provide best protection to seed and germination plant, to prevent plant pathogen from encroaching on, and reactive compound used can not damage plant itself.
Pyraclostrobin (Pyraclostrobin), have another name called pyraclostrobin, chemical name is: N-[2-[[1-(4-chlorphenyl) pyrazole-3-yl] oxygen methyl] phenyl]-N-methoxy carbamate methyl esters, and its molecular structural formula is:
Pyraclostrobin is the same with the mechanism of action of other synthesis strobin analog, is a kind of mitochondrial respiratory inhibitor.It suppresses mitochondrial respiratory effect by stoping electron transmission between thin race pigment b and C1, makes mitochondria can not produce and provide the energy required for cell eubolism (ATP), finally causes cell death.Pyraclostrobin has stronger suppression germ spore germination ability, has good inhibitory action to mycelial growth in blade.Its lasting period is longer, and has potential therapeutic activity.This compound in blade to blade tip or phyllopodium conduction and fumigation action more weak, but conductive activity in plant corpus is stronger.It is again a kind of hormone-type bactericide simultaneously, can make the more nitrogen of Crop, promotes the growth of crop.In a word, pyraclostrobin has protective effect, therapeutic action, Uptake and translocation and resistance of rainwater washing against performance, and range of application is wider.
Pyraclostrobin suitable for crop is mainly used in preventing and treating the disease on wheat, paddy rice, peanut, grape, vegetables Lay, banana, lemon, coffee, fruit tree, walnut, vegetables, tea tree, tobacco and ornamental plants, lawn and other field crops.Controlling object can prevent and treat the multiple diseases such as leaf blight, rust, powdery mildew, downy mildew, epidemic disease, anthracnose, scab, leaf spot, shot hole, brown spot, damping off caused by Ascomycetes, Basidiomycetes, Fungi Imperfecti and Oomycete fungal effectively.Pyraclostrobin control cereal disease, owing to having the bactericidal activity of wide spectrum, has outstanding control efficiency to the leaf portion of cereal and the disease of fringe grain, and obvious effect of increasing production.To this compound of crop safety, not only toxicity is low, to non-target organism safety, and to user and environment all safety close friends.
Hymexazo (Hymexazol), chemical name is: 3-hydroxy-5-methyl base isoxazole, and chemical structural formula is:
Hymexazo is a kind of systemic fungicide and soil disinfectant, has unique mechanism of action.Hymexazo to enter after soil by soil absorption and with the inorganic metal salt ions binding such as the iron in soil, aluminium, effectively suppress the sprouting of spore and the mycelial normal growth of disease fungus or direct killing pathogenic bacteria, drug effect can reach two weeks.Hymexazo by the root absorption of plant and can move in root system, produces two kinds of glucosides, crop is improved to the effect of physiologically active, thus can promote plant strain growth, tillering of root at plant intracellular metabolite, and the increase of root hair and the activity of root improve.Cause is very little on the bacterium beyond pathogen in soil, actinomycetic impact, so do not have an impact to the ecology of Soil Microorganism, can resolve into the very low compound of toxicity in soil, environmentally safe.Hymexazo is broad-spectrum germicide, be widely used in paddy rice, wheat, cotton, beet, tobacco, vegetables, nursery stock, fruit tree, cereal, oily section, melon, lawn, flowers and other crops, the plant disease caused multiple disease fungus has higher prevents and treats result, to fusarium wilt, damping off, verticillium wilt, damping off, banded sclerotial blight, seedling rot, stalk break, epidemic disease, dry rot, scab, sclerotium soft rot, seedling blight, stem wilt, leaf blight, macerate root, continuous cropping continuous cropping obstacle has special efficacy.And there is the effect promoting that crop root growth is grown, strong plantlets and rootage improves survival rate.
CN201210034779 discloses pyraclostrobin with the combination of hymexazo, disclose pyraclostrobin in biological test example He hymexazo when different ratio to the indoor of rice blast poison measurement result.
CN201110378250 discloses pyraclostrobin with the combination of hymexazo, disclose pyraclostrobin in biological test example He hymexazo when different ratio to the result of the Toxicity Determination of rice seedling blight.
Summary of the invention
The present invention seeks to provide a kind of for above-mentioned weak point and comprise pyraclostrobin with the active agent combinations of hymexazo or composition are for the protection of plant propagation material and the purposes of plant organ that grows subsequently.The present invention also provides a kind of protective plant to avoid the method for plant disease.
When the reactive compound in active agent combinations of the present invention exists with some part by weight, described synergy is particularly outstanding.But the part by weight of the reactive compound in active agent combinations can change in relatively wide scope.
The method that a kind of protective plant of the present invention avoids plant disease takes following technical scheme to realize:
A kind of protective plant avoids the method for plant disease, comprise the pyraclostrobin of effective dose with hymexazo active agent combinations or composition are applied to plant propagation material or its environment, wherein pyraclostrobin is with the weight proportion of hymexazo is 1:100-100:1, preferred 1:50-50:1, more preferably 1:25-25:1; More preferably 1:10-10:1.-
A kind of bactericidal composition, comprises pyraclostrobin with hymexazo active agent combinations, filler and/or surfactant.
Pyraclostrobin containing 5%-90% in described composition is with hymexazo active agent combinations.
Pyraclostrobin containing 10%-80% in described composition is with hymexazo active agent combinations.
Pyraclostrobin containing 20%-60% in described composition is with hymexazo active agent combinations.
The formulation of described composition is suspending agent, seed coat agent, wetting powder, water dispersible granules, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, coated granule, extrude granule, missible oil, microemulsion, aqueous emulsion.
Described plant propagation material is seedling, rhizome, garden seedling, cutting or seed.
Described environment is soil.
Protective plant avoids a method for plant disease, it is characterized in that: pyraclostrobin is with hymexazo reactive compound is used or used respectively or sequential application simultaneously.
A method for protective plant seed, is characterized in that: it comprises makes seed contact with hymexazo active agent combinations or composition with the pyraclostrobin of effective dose prior to seeding and/or after vernalization.
A kind of seed using pyraclostrobin containing effective dose and hymexazo active agent combinations or compositions-treated.
Described a kind of seed using pyraclostrobin containing effective dose and hymexazo active agent combinations or compositions-treated, pyraclostrobin and hymexazo reactive compound are used simultaneously or are used respectively or sequential application.
Described seed is selected from the seed of paddy rice, rape, cotton, wheat, barley, soybean, corn, peanut.
Term " active agent combinations " refers to pyraclostrobin with the various possible bond of hymexazo reactive compound, such as, namely uses mixture, bucket mixture.According to the present invention, described independent reactive compound also by successively, namely one by one, can use with the appropriate interval of several hours or several days; Also can be used for processing seed, such as, by using the multiple layers comprising different activities compound.Preferably, the use order of independent reactive compound is unimportant.
The invention still further relates to the composition comprising active agent combinations.Preferably, described composition comprises to be suitable for agricultural carrier or the bactericidal composition of filler.
According to the present invention, term " filler " refers to combine combined with Fungicidal active compound or to combine to make it be easier to the organic or inorganic compound being administered to the natural of object (such as plant, crop or careless class) or synthesizing.Therefore, described filler is preferably inertia, at least to should be agricultural acceptable.Described filler can be solid or liquid.
The solid carrier be suitable for is: such as phyteral powdery type (the such as 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 extracts the residue etc. after plant essence), clay class (such as kaolin, bentonite, acid china clay etc.), talcum powder class.Silica (such as diatomite, silica sand, mica, moisture silicic acid, calcium silicates), active carbon, natural mineral matter class (float stone, attapulgite and zeolite etc.), fire chemical fertilizer, the clay fertilizer of inorganic mineral powder, ammonium sulfate, ammonium phosphate, urea, greening ammonium etc. of diatomite, sand, plastics medium etc. (such as polyethylene, polypropylene, polyvinylidene chloride etc.), potassium chloride, calcium carbonate, calcium phosphate etc., these materials can be used alone or two or more is used with.
The liquid-carrier be suitable for can be selected in llowing group of materials, such as water, alcohol type (such as methyl alcohol, ethanol, isopropyl alcohol, butanols, ethylene glycol etc.), ketone (such as acetone, methyl ethyl ketone, isobutyrone, cyclohexanone etc.), ethers (such as ether, dioxanes, methylcellulose, oxolane etc.), aliphatic hydrocarbon class (such as kerosene, mineral wet goods), aromatic hydrocarbons class (such as benzene, toluene, dimethylbenzene, solvent naphtha, Fluhyzon, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, Deng), halogenated hydrocarbon class, amide-type, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal wet goods.
Composition of the present invention also can comprise other additional components, such as surfactant.The surfactant be suitable for has emulsifier, dispersant or the wetting agent with ion or nonionic character, or the mixture of these surfactants.These surfactants be applicable to have fatty alcohol-polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene higher fatty acid esters, the phosphate of polyoxyethylene alcohol or phenol, the fatty acid ester of polyalcohol, alkylaryl sodium sulfonate, naphthalene sulfonic acid polymer, lignosulfonates, a dress copolymer of macromolecule comb shape, butyl naphthalene sulfonate, alkylaryl sulfonates, sodium alkylsulfosuccinates, grease, fatty alcohol and ethylene oxide condensate, the polyacrylates such as alkyltaurate, protein hydrolysate.Suitable oligosaccharide thing or polymer, such as, based on the combination of independent vinyl monomer, acrylic acid, polyoxyethylene or polyoxypropylene or itself and such as (polynary) alcohol or (polynary) amine.When the one in a kind of and/or inert carrier in reactive compound is water insoluble and when using in water, must there is surfactant.The ratio of surfactant is 5% to 40% weight of composition of the present invention.
If suitable, also can there are other addO-on therapy, such as protecting colloid, adhesive, adhesive, thickener, thixotropic agent, bleeding agent, stabilizing agent, screening agent, sequestering agent, complex-forming agents.Usually, described reactive compound can be used for any solid of preparation object with routine or liquid additive is combined.
Usually, composition of the present invention contains 5%-90%, the active agent combinations of the present invention of preferred 10%-80%, particularly preferably 20%-60%.
Described reactive compound or active agent combinations mix with at least one in following material by known way by described preparation of the present invention: solvent or thinner, emulsifier, dispersant and/or adhesive or fixative, wetting agent, waterproofing agent, if needed, drier and colouring agent, stabilizing agent, pigment, defoamer, preservative, thickener, water and other processing aid can also be comprised.
Active agent combinations of the present invention or composition can itself use, or can use with its dosage form or type of service prepared therefrom according to its physics separately and/or chemical property, such as aerosol, micro-capsule suspension, cold mist agent, thermal fog, microcapsulated granule, granula subtilis, seed treatment suspending agent, ready to use solution agent, pulvis, missible oil, oil-in-water emulsion, water-in-oil emulsion, large granula, fine granule, oil-dispersing property pulvis, oil suspending agent, finish, foaming agent, paste, seed coat agent, colloidal suspending agent, suspended emulsion, aqueous solvent, suspending agent, wetting powder, soluble powder, pulvis and granule, water-soluble granular formulation or tablet, seed treatment water solube powder, wetting powder, the natural prodcuts of reactive compound dipping and synthetic, microcapsules in polymeric material with seed in coated material, and the cold mist of ULV and hot mist preparation.
With active agent combinations of the present invention or composition, the process to plant and plant part is directly carried out with conventional treatment method or is undertaken by acting on its environment, habitat or storage areas, described conventional treatment method such as floods, carry out watering, spray, atomizing, broadcast sowing, dust, mist formation, broadcast sowing, foam, apply, be coated with, drip irrigation; When propagating materials, especially when seed, for pulvis, seed treatment solution, the slurry process water-soluble powder form of dry seeds process, by crust, by one or more layers dressing etc.
Namely what composition of the present invention not only comprised that available suitable device is applied to plant or seed uses composition, and comprise before administration must the commercially available concentrate of dilute with water.
Active agent combinations of the present invention or composition can for preventing and treating harmful microorganism such as fungus and bacterium in crop protection and material protection.
Fungicide can for preventing and treating Ascomycetes (Ascomycetes), Basidiomycetes (Basidiomycetes), Phycomycetes (Phycomycetes) and deuteromycetes (Deuteromycetes) fungi in crop protection.
Bactericide can for preventing and treating pseudomonad (Psedomonadaceae), rhizobium (Rhizobiaceae), enterobacteria (Enterbacteriaceae), bar bacterium (Cornebacteriaceae) and streptomycete (Streptomycetaceae) in crop protection.
As an example but unrestriced mode propose be included into above-mentioned large class some cause the pathogene of fungal disease and bacteriosis:
Flavobacterium bacterial classification, such as paddy rice bacterial leaf spot yellow single (Xanthomonascampestrispv.oryzae);
Pseudomonas bacterial classification, such as Bacterial leaf spot cucumber pvs oryzae and oryzicola (Pseudomonas syringaepv.Lachrymans);
Erwinia bacterial classification, such as pears water epidemic disease Irving (family name) bacterium (Erwiniaamylovora);
Rotten mould (Pythium) bacterial classification, such as Pythium ultimum (Pythium ultimum);
Epidemic disease mould (Phytophthora) bacterial classification, such as phytophthora infestans (Phytophthorainfestans);
False downy mildew (Pseudoperonospora) bacterial classification, such as careless false downy mildew (Pseudoperonospora humuli) or Pseudoperonospora cubensis (Pseudoperonosporacubensis);
Axle downy mildew (Plasmopara) bacterial classification, raw axle downy mildew (Plasmoparaviticola) of such as grape;
Dish downy mildew (Bremia) bacterial classification, such as lettuce dish downy mildew (Bremia lactucae);
Downy mildew (Peronospora) bacterial classification, such as pea downy mildew (Peronospora pisi) or Cruciferae downy mildew (P.brassicae);
Powdery mildew (Erysiphe) bacterial classification, such as Erysiphe graminis (Erysiphe graminis);
Sphaerotheca (Sphaerotheca) bacterial classification, such as garden balsam list softgel shell (Sphaerothecafuliginea);
Podosphaera (Podosphaera) bacterial classification, such as white cross hair list softgel shell (Podosphaeraleucotricha);
Venturia (Venturia) bacterial classification, such as apple black star bacteria (Venturiainaequalis);
Nuclear cavity Pseudomonas (Pyrenophora) bacterial classification, such as round nuclear cavity bacteria (Pyrenophorateres) or wheat class nuclear cavity bacteria (P.graminea) (conidial form: Drechslera, Syn: Helminthosporium);
Cochliobolus belongs to (Cochliobolus) bacterial classification, such as standing grain cochliobolus (Cochliobolussativus) (conidial form: Drechslera, Syn: Helminthosporium);
Uromyces (Uromyces) bacterial classification, such as wart top uromyce (Uromycesappendiculatus);
Handle rest fungus (Puccinia) bacterial classification, such as Puccinia recondita (Puccinia recondita);
Sclerotinia (Sclerotinia) bacterial classification, such as Sclerotinia sclerotiorum (Sclerotiniasclerotiorum);
Tilletia (Tilletia) bacterial classification, such as Tilletia caries (Tilletiacaries);
Smut (Ustilago) bacterial classification, such as naked smut (Ustilago nuda) or oat smut (Ustilago avenae);
Film lead fungi belongs to (Pellicularia) bacterial classification, such as the wooden film lead fungi (Pelliculariasasakii) of assistant assistant; Pears spore (Pyricularia) bacterial classification, such as Magnaporthe grisea (Pyricularia oryzae);
Fusarium (Fusarium) bacterial classification, such as yellow sickle spore (Fusarium culmorum);
Botrytis (Botrytis) bacterial classification, such as Botrytis cinerea (Botrytis cinerea);
Septoria (Septoria) bacterial classification, such as clever withered septoria musiva (Septoria nodorum);
Leptosphaeria (Leptosphaeria) bacterial classification, such as Leptosphaeria nodorum;
Cercospora (Cercospora) bacterial classification, such as, turn grey tail spore (Cercosporacanescens);
Alternaria (Alternaria) bacterial classification, such as rape rod method (Alternariabrassicae);
False Cercosporalla (Pseudocercosporella) bacterial classification, such as wheat Phyllostachys pubescens (Pseudocercosporella herpotrichoides);
Phakopsora (Phakopsora) bacterial classification, such as Phakopsora pachyrhizi (Phakopsorapachyrhizi) and mountain horseleech layer rest fungus (Phakopsora meibomiae); And
Rhizoctonia (Rhizoctonia) bacterial classification, such as Rhizoctonia solani Kuhn (Rhizoctoniasolani).
Active agent combinations of the present invention or composition can be used for therapeutic or protective control plant pathogen.Therefore; the present invention also relates to the therapeutic and the protectiveness method that use active agent combinations of the present invention or composition for preventing and controlling plant pathogen, in the method, active agent combinations of the present invention or composition are applied to the soil of seed, plant or plant part, fruit or plant growth.
All plants and plant parts all can process according to the present invention.In the present invention, the implication of plant should be understood to all plants and plant population, that such as need and unwanted wild plant or crop plants (comprising the crop plants that nature exists).Crop plants can be by conventional plant breeding and optimum seeking method or by biotechnology and genetic engineering method or the plant that obtained by the combination of described method; comprise genetically modified plants, also comprise by the protection of plant seedling power or not by the plant variety of its protection.The implication of plant parts should be understood to the ground that plant is all and position, underground and plant organ, such as bud, leaf, Hua Hegen, and specifiable example has leaf, needle, stem, dry, flower, fruit body, fruit, seed, root, stem tuber and rhizome.Plant parts also comprises harvested material, and asexual such as, with sexual propagation thing, rice shoot, stem tuber, rhizome, cutting and seed.
Active agent combinations of the present invention or composition are even more important to preventing and treating a large amount of fungi in various crop is as cotton, vegetable variety (such as cucumber, beans, tomato, potato and cucurbitaceous plant), barley, dogstail, oat, banana, coffee, corn, fruit variety, rice, rye, soybean, grape vine, wheat, ornamental plants, sugarcane and various seed.
Active agent combinations of the present invention or composition are particularly suitable for preventing and treating following plants pathogenic epiphyte: the standing grain powdery mildew (Blumeria graminis) (powdery mildew) in Cereal, two spore powdery mildews (Erysiphe cichoracearum) in cucurbitaceous plant and monofilament shell (Sphaerotheca fuliginea), apple mildew bacterium (Podosphaera leucotricha) in apple, grape snag shell (Uncinula necator) in grape vine, handle rest fungus (Puccinia) in Cereal belongs to, cotton, rhizoctonia (Rhizoctonia) in rice and lawn belongs to, smut (Ustilago) in Cereal and sugarcane belongs to, venturia inaequalis (Venturia inaequalis) (scab) in apple, the compacted spore of length in Cereal (Helminthosporium) belongs to, wheat glume blotch bacterium (Septoria nodorum) in wheat, strawberry, vegetables, Botrytis cinerea (Botrytis cinerea) (gray mold) in ornamental plants and grape vine, peanut tail spore (Cercospora arachidicola) in peanut, eye spot bacterium (PseudocercosporellaHerpotrichoides) in Wheat and barley, Pyricularia oryzae (Pyricularia oryzae) in rice, phytophthora infestans (Phytophthora infestans) in potato and tomato, grape single shaft in grape vine mould (Plasmopara viticola), false downy mildew (Pseudoperonospora) in lupulus and cucumber belongs to, rod method (Alternaria) in vegetables and fruit belongs to, ball chamber bacterium (Mycosphaerella) in banana belongs to and Neurospora (Fusarium) and wheel branch spore (Verticillium) genus.
Preferably, active agent combinations of the present invention or composition can be used for preventing and treating seeding stage damping off, the seedling rot on paddy rice, wheat, gourd, fruit and vegetable, fruit tree, flowers, lawn, and rice seedling banded sclerotial blight, rice blast.
Active agent combinations of the present invention or composition have good plant tolerance under controlling plant diseases desired concn, and this just makes to process the acrial part of plant, in-vitro propagate strain (propagationstock), seed and soil.The present invention also provides the seed with active agent combinations of the present invention or composition dressing.
Active agent combinations provided by the invention or composition are for the protection of plant propagation material and the purposes of plant organ that grows subsequently.
The present invention also provides a kind of protective plant to avoid the method for plant disease, and the order of being wished arbitrarily by active agent combinations of the present invention or composition or simultaneously treatment of plant propagation material or plant growth environment, habitat or storage areas protective plant avoid plant disease.
The invention provides a kind of environment for the treatment of plant propagation material and the plant organ grown subsequently or plant growth, the active agent combinations of habitat or storage areas or composition.Can be used as seed dressing treatment of plant propagation material, particularly seed (fruit, stem tuber, cereal) and plant cutting (such as rice) infecting with the fungal infection resisted on seed and the plant pathogenic fungi that appears in soil.The salient point of active agent combinations of the present invention or composition is to be tolerated admirably by plant and environmentally friendly.
Term " plant propagation material " is interpreted as referring to all plant parts having fertility, and such as seed, it can be used for breeding the latter, and vegetable matter such as cuttage bar or stem tuber (such as potato).Therefore, plant part used herein comprises plant propagation material.Can it is mentioned that such as seed (in the narrow sense), root, fruit, stem tuber, bulb, rhizome and plant part.The germination plant suppressed after germinateing from soil or after emerging and effective plant also can be mentioned.Young plant can be undertaken all by dipping before transplantation or Local treatment is protected.
Plant part and the plant organ grown subsequently are any parts of the plant produced by plant propagation material such as seed.Plant part, plant organ and plant also can be benefited from and avoid plant disease by active agent combinations or composition are applied to plant propagation material protective plant.Certain plants part and some plant organ grown subsequently also can regard plant propagation material as, himself can use with bactericidal composition (or process); Thus the plant produced by treated plant part and treated plant organ, other plant part and other plant organ also can be benefited from by bactericidal composition being applied to certain plants part and certain plants Organoprotective plant avoids plant disease.
Propagating materials such as seed, fruit, stem tuber or kernel or plant cutting that active agent combinations of the present invention or composition are suitable for protective plant are not encroached on by germ.Before administration with this propagating materials of compositions-treated, such as, can dress seed prior to seeding.Also by fluid composition, soak kernel or with solid composite bag by kernel, active component is applied to (bag quilt) in kind of benevolence.When propagating materials being applied to that such as seed is broadcast in ditch in seeding process, also said composition can be applied to application site.These are all the further themes of the present invention to the plant propagation material of the processing method of plant propagation material and so process.
In order to treatment of plant propagation material particularly seed, also by flooding stem tuber or grain in succession with the liquid preparation of each active component, or by applying with the wet or dry preparation combined, thus by pyraclostrobin with hymexazo is administered to (coating) on seed.
Protect a method for seed, it comprises makes seed contact with the active agent combinations of hymexazo or composition with the pyraclostrobin of cooperative effective quantity prior to seeding and/or after vernalization.
A kind of scribble or containing pyraclostrobin with the active agent combinations of hymexazo or the seed of composition.
Seed treatment of the present invention use by prior to seeding and/or after vernalization by carrying out seed spraying or dusting.
To damaging the control of plant pathogen of plant after seedling mainly through carrying out with crop production compositions process soil and plant acrial part.Owing to considering that crop production compositions is on environment and the impact that may bring of human and animal's health, thus make great efforts to reduce use the amount of reactive compound.
One of advantage of the present invention, due to the distinctive interior absorption of active agent combinations of the present invention, not only protects the plant obtained after seed itself but also protection rudiment to avoid plant pathogen infringement through this compositions-treated seed.Can save in this way and soon crop directly be processed at seeding time or thereafter.
When reactive compound in active agent combinations of the present invention exists with some part by weight, described synergy is particularly outstanding.But the part by weight of the reactive compound in active agent combinations can change in relatively wide scope.In active agent combinations of the present invention, pyraclostrobin with the weight proportion of hymexazo is 1:100-100:1, preferred 1:50-50:1, more preferably 1:25-25:1, more preferably 1:10-10:1.
Active agent combinations of the present invention or composition are applied to seed with itself or suitable formulation.Preferably, seed is processed at steady state, thus makes process not cause any infringement.Usually can to gather and any time between sowing carries out to the process of seed.
Usually must be noted that during seed treatment, the germination that the amount of the amount and/or other additive that are applied to the present composition of seed is chosen as can not affect seed maybe can not damage gained plant.
Active agent combinations of the present invention or composition are for treatment of plant propagation material, and particularly the seed of paddy rice, rape, cotton, wheat, barley, soybean, corn, peanut is particularly advantageous.
Active agent combinations of the present invention or composition can be used for the environment of plant growth, habitat or storage areas.
The environment of plant growth, habitat refer to the supporter that crops can be made to take root, grow, such as: 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.Preferred soil.
The example of soilborne aquacultural fungal pathogen 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 dislikes 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 core coral bacterium (Typhula incarnate), hidden bar smut (Urocystis occulta), Ustilago (Ustilago spp.) or Verticillium (Verticillium spp.).
Soil germ has rhizoctonia solani, sickle-like bacteria, pythium spp, phytophthora, bacterium of dampinging off, root rot, pythium spp, botrytis cinerea, soft-rot fungi etc.In the ordinary course of things, soil germ can produce a large amount of thalline, as long as condition is grown favourable to pathogen growth and host is susceptible, germ just also can infect host by amount reproduction, under susceptible host exists, these germs just can enter the lasting pathogenic phase, the amount reproduction diffusion along with the continuous cropping of crop, but afterwards nutrient be consumed or soil condition is as unfavorable to germ in temperature, humidity etc. time, germ can enter resting stage again.When susceptible host does not exist, soil-borne disease bacterium also can survive in soil, except soil germ has widely except host range, can also survive, have saprophytic competitive ability be undivided with it on the root table face of non-host or the broken branches and fallen leaves.But different germ is discrepant, almost can survive indefinite duration in soil as sickle-like bacteria.
The method of medicament is used in soil, such as liquid preparation be diluted in water or do not dilute the medium method in rice seedling bed of root or the seedling being directly applied to plant corpus, method granule is disseminated in the root of plant corpus or the rice seedling bed of seedling have prior to seeding pulvis, water dispersible granules etc. are sprayed in soil and with the method that mixes of soil entirety, is sprayed on after pulvis, water-dispersible grain dilution agent in implantation hole, seed furrow before sowing or before serike body, then carries out the method etc. sowed.
Active agent combinations of the present invention or composition can be used for protective plant in certain period after treatment and resist the invasion and attack of described pathogene.Time of the protective effect obtained to be generally from plant is activated compound process continuity 1 to 10 day, preferably 1 to 7 day.Or process seed after reach 200 days most.
When using active agent combinations of the present invention or composition, rate of application can change in relative broad range according to the kind used.
During process plant parts, the rate of application of activate component composition is generally 0.1 to 10 000g/ha, is preferably 10 to 1000g/ha.
During process seed, the rate of application of active ingredient compositions is generally 0.001 to 50g/kg seed, is preferably 0.01 to 10g/kg seed.
During process soil, the rate of application of active ingredient compositions is generally 0.1 to 10 000g/ha, is preferably 1 to 5000g/ha.
Above-mentioned dosage is only general exemplary dose, and actual those skilled in the art can according to actual conditions and needs when using, especially according to pending plant or the character of crop and the seriousness adjustment rate of application of germ.
Process of the present invention also can produce superadditivity (collaborative) effect.The effect exceeding actual desired as follows can be obtained thus, such as can reduce reactive compound that the present invention uses or composition amount of application and/or widen its action spectrum and/or improve that it is active, improve vegetation growth state, improve high temperature or cold tolerance, raising to arid or to the tolerance of salt content in water or in soil, improve Flowering quality, make to gather simpler and easy, hasting of maturity, raising output, improve harvested products quality and/or improve its nutritive value, improve the Storage property of harvested products and/or its processing characteristics.
Embodiment
Below with reference to embodiment, the invention will be further elaborated.
Example of formulations
Embodiment 1 2% pyraclostrobin+10% hymexazo wetting powder
Pyraclostrobin 2%
Hymexazo 10%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 2% pyraclostrobin+10% hymexazo wetting powder.
Embodiment 2 1% pyraclostrobin+50% hymexazo wetting powder
Pyraclostrobin 1%
Hymexazo 50%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
Sucrose complements to 100%
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 1% pyraclostrobin+50% hymexazo wetting powder.
Embodiment 3 1% pyraclostrobin+4% hymexazo missible oil
Pyraclostrobin 1%
Hymexazo 4%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, stirs and obtain homogeneous phase.
Embodiment 4 5% pyraclostrobin+50% hymexazo wetting powder
Pyraclostrobin 5%
Hymexazo 50%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 5 2% pyraclostrobin+40% hymexazo water dispersible granules
Pyraclostrobin 2%
Hymexazo 40%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Pyraclostrobin active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, becomes wetting powder through air-flow crushing; Jia Ru hymexazo mixes again; Add a certain amount of water mixing extruding again and make material.2% pyraclostrobin+50% hymexazo water dispersible granules is obtained after drying screening.
Embodiment 6 0.5% pyraclostrobin+50% hymexazo suspension emulsion
Oil phase:
Pyraclostrobin 0.5%
Methyl oleate 10%
Ethoxylated castor oil 5%
Aqueous phase:
Hymexazo 50%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
Pyraclostrobin is dissolved in methyl oleate, adds ethoxylated castor oil and obtain oil phase; According to formula Jiang the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of hymexazo, sulfonation, water after grinding and/or high speed shear get Dao the aqueous suspension agent of hymexazo; Under agitation oil phase is added aqueous phase and obtain suspension emulsion.
Embodiment 7 10% pyraclostrobin+10% hymexazo wetting powder
Pyraclostrobin 10%
Hymexazo 10%
Sodium lignin sulfonate 1%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 8 50% azoles kresoxim-methyl+10% hymexazo coated granule
Pyraclostrobin 50%
Hymexazo 10%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In a mixer, by levigate active component even spread on the carrier soaked by polyethylene glycol.Dust-free coated granules agent can be obtained in this way.
Embodiment 9 50% pyraclostrobin+5% hymexazo wetting powder
Pyraclostrobin 50%
Hymexazo 5%
Lauryl sodium sulfate 1%
Sodium lignin sulfonate 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 10 50% pyraclostrobin+0.5% hymexazo extrudes granule
Pyraclostrobin 50%
Hymexazo 0.5%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grinds, mixture water-wet.This mixture is extruded, then dry in the air stream.
Embodiment 11 50% azoles kresoxim-methyl++ 1% hymexazo seed coat agent
Pyraclostrobin 50%
Hymexazo 1%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
PVP-K30 1%
Water complements to 100%
Above-mentioned each component is mixed in proportion after grinding and/or high speed shear, obtains seed coat agent.
Embodiment 12 10% pyraclostrobin+5% hymexazo microcapsule suspension-suspendinagent agent
ATLOX
TM4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Hymexazo 5%
PAPI 1.35%
SOLVESSO
TM 200 10%
ATLOX
TM4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Pyraclostrobin 10%
Water complements to 100%
By polyphenyl polymethylene polyisocyanates (PAPI), pyraclostrobin, SOLVESSO
tM200 oil phases formed add containing ATLOX
tMin the aqueous solution of 4913, form emulsion.Then heat and be incubated 50
ocatalyst reaction is added 2 hours under C.The microcapsules of pyraclostrobin is obtained after cooling.
ATLOX
tM4913, dispersant LFH, defoamer, urea ， hymexazo and water mix in proportion, obtain evenly, obtaining suspending agent after grinding and/or high speed shear.
By in the suspending agent of pyraclostrobin microcapsules Jia Ru hymexazo that obtains, stir and obtain 10% pyraclostrobin+5% hymexazo microcapsule suspension suspending agent.
Embodiment 13 30% pyraclostrobin+6% hymexazo suspension emulsion
Pyraclostrobin 30%
Hymexazo 6%
SOLVESSO
TM 200 10%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Pyraclostrobin is dissolved in SOLVESSO
tMin 200, add ethoxylated castor oil, obtain the oil phase of pyraclostrobin;
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, hymexazo and water are mixed in proportion, obtain evenly after grinding and/or high speed shear, get is Dao the suspending agent of hymexazo.
The oil phase of pyraclostrobin-containing is joined the aqueous suspension agent of Han hymexazo, obtain suspension emulsion.
Embodiment 14 5% pyraclostrobin+5% hymexazo missible oil
Pyraclostrobin 5%
Hymexazo 5%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
SOLVESSO
tM100 complement to 100%
By above-mentioned each component mixing, be stirred to and obtain transparent homogeneous phase.
Embodiment 15 50% pyraclostrobin+40% hymexazo water dispersible granules
Pyraclostrobin 50%
Hymexazo 40%
MODIFIED LIGNOSULPHONATE 1%
Lauryl sodium sulfate 1%
Kaolin complements to 100%
Pyraclostrobin, hymexazo active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, becomes wetting powder through air-flow crushing; Add a certain amount of water mixing extruding again and make material.50% pyraclostrobin+40% hymexazo water dispersible granules is obtained after drying screening.
Embodiment 16 30% pyraclostrobin+30% hymexazo wetting powder
Pyraclostrobin 30%
Hymexazo 30%
Lauryl sodium sulfate 1%
Sodium lignin sulfonate 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 17 60% pyraclostrobin+40% hymexazo
Pyraclostrobin 60%
Hymexazo 40%
Pyraclostrobin, hymexazo is proportionally mixed.
Proportioning in above embodiment is weight per distribution ratio.
Preventive effect is tested
Test 1, to the activity of sclerotinia rot of colza
With the medicament of example of formulations 1-17, by the amount (10g active ingredient/100kg seed) of regulation with liquid coating processing rape seed, then to sow to basin and about 22
ocultivate in the greenhouse of C.In sowing after 3 weeks, with sclerotinite to plant inoculating, and inoculate 24 hours under 100% relative moisture, then cultivate in greenhouse again.Infecting of inoculation 11 days post-evaluation blades.
For the plant from processed seed, always infect and be less than 1%, and infected from the plant 89% of untreated seed.
Test 2: Rhizoctonia solani Kuhn test/soil treatment
The medicament by Rhizoctonia solani Kuhn contaminated soil and example of formulations 1-17 is mixed, by ormal weight 1g(active ingredient in plastic basin)/cubic meter; Sow the rice paddy seed of vernalization.Sowing beginning, after 7 days, carries out effect assessment.
For the plant doing soil treatment of controlling oneself, always infect and be less than 1%; And infected from the plant 94% of untreated soil.
Test 3: pythium spp test/seed treatment
During seed seed dressing, by the shake 3 minutes in the glass flask closed of the medicament (10g active ingredient/100kg seed) of the ormal weight of the rice paddy seed that infected by pythium spp and example of formulations 1-17; Rice paddy seed after vernalization to be seeded in basin and about 22
oc, cultivates in the greenhouse of air humidity about 95%, every 15 h light day by day of seeds cultivation case.After sowing 1 week, carry out effect assessment.
For the plant from processed seed, always infect and be less than 1%, and infected from the plant 98% of untreated seed.
Claims (15)
1. a protective plant avoids the method for plant disease; it is characterized in that: comprise the pyraclostrobin of effective dose with hymexazo active agent combinations or composition are applied to plant propagation material or its environment, described pyraclostrobin is with the weight proportion of hymexazo is 1:100-100:1.
2. method according to claim 1, is characterized in that: described pyraclostrobin is with the weight proportion of hymexazo is 1:50-50:1.
3. method according to claim 1, is characterized in that: described pyraclostrobin is with the weight proportion of hymexazo is 1:25-25:1.
4. method according to claim 1, is characterized in that: described pyraclostrobin is with the weight proportion of hymexazo is 1:10-10:1.
5. method according to claim 1, is characterized in that: the pyraclostrobin containing 5%-90% in described composition is with hymexazo active agent combinations.
6. method according to claim 1, is characterized in that: the pyraclostrobin containing 10%-80% in described composition is with hymexazo active agent combinations.
7. method according to claim 1, is characterized in that: the pyraclostrobin containing 20%-60% in described composition is with hymexazo active agent combinations.
8. method according to claim 1, is characterized in that: the formulation of described composition is suspending agent, seed coat agent, wetting powder, water dispersible granules, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, coated granule, extrude granule, missible oil, microemulsion, aqueous emulsion.
9. method according to claim 1, is characterized in that: described plant propagation material is the seed of plant.
10. method according to claim 1, is characterized in that: described environment is soil.
11. methods according to claim 1, is characterized in that: pyraclostrobin is with hymexazo reactive compound is used or used respectively or sequential application simultaneously.
The method of 12. 1 kinds of protective plant seeds, is characterized in that: comprise and seed is contacted with hymexazo active agent combinations or composition with the pyraclostrobin of effective dose prior to seeding and/or after vernalization.
13. 1 kinds of seeds using pyraclostrobin containing effective dose and hymexazo active agent combinations or compositions-treated.
14. seeds according to claim 13, is characterized in that: pyraclostrobin is with hymexazo reactive compound is used or used respectively or sequential application simultaneously.
15. seeds according to claim 13 are selected from the seed of paddy rice, rape, cotton, wheat, barley, soybean, corn, peanut.
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| CN201410086841.9A CN104904733A (en) | 2014-03-11 | 2014-03-11 | Method for protecting plants from plant diseases |
| PCT/CN2015/073291 WO2015135422A1 (en) | 2014-03-11 | 2015-02-26 | Method for protecting plant against plant disease |
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|---|---|---|---|
| CN201410086841.9A CN104904733A (en) | 2014-03-11 | 2014-03-11 | Method for protecting plants from plant diseases |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107637601A (en) * | 2016-07-12 | 2018-01-30 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN113880659A (en) * | 2021-09-13 | 2022-01-04 | 平顶山市润森天然多元素矿物肥有限公司 | Composite mineral medicament for preventing and treating root rot of fruit trees |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109089785A (en) * | 2018-07-07 | 2018-12-28 | 富川凯邦农资经营部 | A kind of romaine lettuce greenhouse gardening method |
| CN115918483A (en) * | 2022-11-16 | 2023-04-07 | 河南省农业科学院经济作物研究所 | Peanut middle-stage accurate regulation and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101612078A (en) * | 2009-08-04 | 2009-12-30 | 何建华 | A kind of jade heat and cold therapy massager |
| CN103120166B (en) * | 2011-11-18 | 2014-03-12 | 深圳诺普信农化股份有限公司 | Hymexazol-containing sterilizing composition |
| CN102578126B (en) * | 2012-02-16 | 2014-09-03 | 广西田园生化股份有限公司 | Pyraclostrobin-containing agricultural bactericidal compound composition |
| CN102669137A (en) * | 2012-05-17 | 2012-09-19 | 广东中迅农科股份有限公司 | Sterilization medical fertilizer granules |
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2014
- 2014-03-11 CN CN201410086841.9A patent/CN104904733A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107637601A (en) * | 2016-07-12 | 2018-01-30 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN107637601B (en) * | 2016-07-12 | 2021-03-23 | 江苏龙灯化学有限公司 | Bactericidal composition |
| CN113880659A (en) * | 2021-09-13 | 2022-01-04 | 平顶山市润森天然多元素矿物肥有限公司 | Composite mineral medicament for preventing and treating root rot of fruit trees |
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