CN103988845B

CN103988845B - A kind of Fungicidai mixtures

Info

Publication number: CN103988845B
Application number: CN201410234979.9A
Authority: CN
Inventors: 罗昌炎; 詹姆斯·T·布里斯托
Original assignee: Jiangsu Rotam Chemical Co Ltd
Current assignee: Jiangsu Rotam Chemical Co Ltd
Priority date: 2014-05-29
Filing date: 2014-05-29
Publication date: 2015-09-09
Anticipated expiration: 2034-05-29
Also published as: CN103988845A

Abstract

What the present invention relates to is a kind of Fungicidai mixtures, also relates to a kind of method of preventing and kill off plant disease.The invention provides a kind of Fungicidai mixtures, comprise hundred can with Boscalid active component, hundred can with Boscalid by weight ratio for obtaining the effect of Synergistic within the scope of 100:1-1:100.Hundred can account for the 5%-90% of mixture with the content of Boscalid active component.The present invention is by carrying out binary built with Boscalid by hundred, and both mechanisms of action are different, and without cross resistance, used in combinationly expands fungicidal spectrum, plays better control efficiency, and delays pathogen and develop immunity to drugs, all comparatively safe to various crop.Can be used for the purposes of preventing and treating fungi on Cereal, fruit, vegetables, cotton, fruit tree, ornamental plants.

Description

A kind of Fungicidai mixtures

Technical field

What the present invention relates to is a kind of Fungicidai mixtures, also relates to a kind of method of preventing and kill off plant disease.

Background technology

Due to the harm of various phytopathogen, many crops are brought about great losses, the lighter's underproduction, severe one can cause total crop failure, directly affects the economic interests of peasant, therefore forces peasant to have to use bactericide to carry out controlling disease.

Agricultural crops (Cereal, melon and fruit, vegetables, flowers) is upper often there is multiple fungal disease, as gray mold, powdery mildew, stalk break, stem wilt, blight dis-ease, anthracnose, ring spot, scab, leaf spot, spot defoliation, fruit soft rot, penicilliosis, green mould, rust, peach brown rot, smut, cecospora spot etc.

Hundred can obtain (Bellkute), and have another name called biguanides three octyl benzene sulfonate, its chemical name is: 1 ＇ 1-imino group (octyl group methylene) biguanides 3(alkyl benzene sulfonate), be the antistaling disinfectant of the single molecular structure of biguanides salt, its structural formula is:

n=10～13

Hundred can be produced by Japanese Cao Da company.Hundred can tagging and prevention type bactericide as broad spectrum activity, local permeability is strong, very high growth inhibitory activity is had to some disease fungus, it mainly works to the biosynthesis of Mycophyta ester compounds and cell membrane function, suppress spore germination, germ tube extend, the formation of appresorium and mycelia, the fungal disease caused by most of sac fungi and imperfect fungus can be prevented and treated.Hundred can obtain the disease such as fungal disease, particularly fruit, the gray mold of vegetables and multiple kinds of crops, powdery mildew, stalk break, stem wilt, blight dis-ease, anthracnose, ring spot, scab, leaf spot, spot defoliation, penicilliosis, green mould and fruit soft rot that can be widely used in the most of sac fungi of control and imperfect fungus and cause.Especially to tomato, grape grey mould, apple peels and cores, powdery mildew of cucumber, watermelon grafting all have good preventive effect.

Boscalid (Boscalid), chemical name is the chloro-N'-of 2-(4 ' one chlordiphenyl one 2-yl) vitamin PP (IUPAC).Chemical constitution is:

Boscalid is a kind of nicotinamide bactericide, researched and developed first successfully by BASF Aktiengesellschaft, fungicidal spectrum is wider, there is prevention effect, almost there is activity to all types of fungal disease, very effective to preventing and treating powdery mildew, gray mold, root rot, stalk break and various rots etc., not easily produce cross resistance, also effective to the resistance bacterium of other medicaments, be mainly used in the control comprising the diseases such as rape, grape, fruit tree, vegetables and field crop.

Boscalid is a kind of mitochondrial respiratory inhibitor, for succinate dehydrogenase inhibitors (SDHI), it works by suppressing succinic acid ubiquinone reductase (also referred to as Complex II) on mitochondrial electron transport chain, its mechanism of action and other amide-types and benzamide series bactericidal agent similar.It all has effect to the whole growth link of pathogen, and especially spore-germination inhibitory action is stronger.It also has outstanding preventive effect and good leaf intrinsic permeability.

Boscalid is blade face applying bactericidal agent, vertically can permeate and to top transmission, have excellent prevention effect, and have certain result for the treatment of in leaves of plants portion.It can suppress spore germination, germ tube extends, hapteron is formed, also effective in the every other vegetative period of fungi, presents remarkable rain wash resistance and lasting effect.

Boscalid is wide spectrum, systemic fungicide, and it effectively can prevent and treat disease sterol inhibitor, double imide class, benzimidazole, aniline pyrimidine class, phenylamide and methoxy acrylic bactericide being produced to resistance.This product can transfer to blade tip and the leaf margin of plant to top by xylem; It also has vertical osmosis, can be organized, be delivered to the back side of leaf by leaf portion; But, this product is very little in vapor phase reallocation effect.Boscalid is sprayed mainly through cauline leaf, for the disease of preventing and treating powdery mildew (Powdery mildew) on grape, lawn, fruit tree, vegetables and ornamental plants, brown rot (Monilinia spp), leaf spot (Mycosphaerella spp) and caused by alternaric bacteria (Alternaria spp), botrytis cinerea (Botrytis spp), hyphal cluster germ (Sclerotinia spp).Also can farming thing for cereal, grape, peanut and potato etc. with complex preparation.

Summary of the invention

The object of the invention is to provide a kind of Fungicidai mixtures, with regard to reduce rate of application and improve known compound hundred can with the activity profile of Boscalid with regard to, the present invention, under the reactive compound reduced uses total amount, has harmful fungoid and improves active mixture (Synergistic mixture).

We find, meanwhile, namely associating or separate administration hundred can and Boscalid, or use hundred successively and can make to prevent and treat harmful fungoid better than using separately each compound with Boscalid.

The invention provides a kind of Fungicidai mixtures, this mixture, by carrying out binary built with Boscalid by hundred, makes the mixture obtained have gain effect in control efficiency, and has expanded fungicidal spectrum, serve the effect that a medicine is multiplex, effectively slow down or avoid germ to develop immunity to drugs.Astoundingly, Fungicidai mixtures of the present invention bactericidal activity than each reactive compound activity add and obviously higher.In other words, there is synergistic effect that is unpredictable, necessary being, and be not only active supplement.

Invention through various further investigation, found that containing hundred can with the Fungicidai mixtures of Boscalid, the fungal disease of various vegetables, fruit tree and cereal crop can be prevented and treated.With the mixture of Boscalid not only for common phytopathogen, and can produce pathogens of drug resistance also very effectively to those containing hundred, under disease recurs condition, also there is excellent control efficiency, thus complete the present invention.

When reactive compound is present in Fungicidai mixtures of the present invention with specific weight ratio, synergistic effect is obvious especially.But the weight ratio of the reactive compound in Fungicidai mixtures can change within the specific limits.

A kind of Fungicidai mixtures of the present invention takes following technical scheme to realize:

A kind of Fungicidai mixtures, comprising hundred can with Boscalid as active component, and described hundred can be 100:1-1:100 with the weight ratio of Boscalid.

Hundred can simultaneously with Boscalid, namely together or separate administration, or uses successively; Order in separate administration situation usually on the result of prophylactico-therapeutic measures without any impact.

Compound hundred can with Boscalid usually with 100:1-1:100, preferred 50:1-1:50, more preferably 25:1-1:25, more preferably 10:1-1:10, then the weight ratio of preferred 5:1-1:5 is used.

A kind of Fungicidai mixtures, comprise hundred can with Boscalid active component, filler and/or surfactant.

Described Fungicidai mixtures formulation is wetting powder, missible oil, suspending agent, suspension emulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, water dispersible granules, foaming agent, paste, aerosol, ultra low volume spraying liquid.

Described Fungicidai mixtures, wherein can account for the 5%-90% of Fungicidai mixtures with the content of Boscalid active component containing hundred.

Described Fungicidai mixtures, wherein can account for the 10%-80% of Fungicidai mixtures with the content of Boscalid active component containing hundred.

Described Fungicidai mixtures, wherein can account for the 20%-60% of Fungicidai mixtures with the content of Boscalid active component containing hundred.

Prevent and kill off a method for plant disease, described Fungicidai mixtures is applied to plant, plant propagation material and the organ grown subsequently, environment.

Described mixture process needs the propagating materials of the plant of protection.

The plant propagation material of described mixture process.

Described Fungicidai mixtures is for preventing and treating the purposes of fungi.

Described Fungicidai mixtures is for preventing and treating the purposes of fungi on Cereal, fruit, vegetables, cotton, fruit tree, ornamental plants.

Described Fungicidai mixtures is used for preventing and treating gray mold, stalk break, brown rot, leaf spot, banded sclerotial blight, full rot, rust, anthracnose, early blight, powdery mildew, scab, black spot, blight dis-ease, spot defoliation, stem wilt etc.

Described Fungicidai mixtures is for preventing and treating the purposes of fruit vegetables storing period disease.

Described hundred can use with Boscalid compound simultaneously or use respectively or sequential application.

According to the character of these mixtures and use the object and ambient conditions that mixture will reach, can to select mixture with dressing, spraying, immersion, dense fog, the mode such as broadcast sowing or pour and use.

Detailed Description Of The Invention

Hundred can with the synergy of Boscalid, the weight ratio of reactive compound can be selected in larger scope.Hundred can be 100:1-1:100 with the weight ratio of Boscalid, or 50:1-1:50, or 20:1-1:20, preferred 10:1-1:10, more preferably 5:1-1:5.

Fungicidai mixtures of the present invention, the dosage when content of active component depends on that sterilization is used alone, also depends on mixed ratio and the synergistic effect degree of a kind of bactericide and another kind of bactericide.

In described Fungicidai mixtures, hundred can account for the 5%-90% of Fungicidai mixtures, preferred 10%-80%, more preferably 20%-60% with the content of Boscalid active component.

In described Fungicidai mixtures, only active component can be comprised, also filler and/or surfactant can be comprised.

Fungicidai mixtures of the present invention, can be prepared into various formulation, such as wetting powder, missible oil, suspending agent, suspension emulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, water dispersible granules, foaming agent, paste, aerosol, ultra low volume spraying liquid.

According to the present invention, term " filler " refers to can be combined with reactive compound or 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.

Liquid filling agent is generally: 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.

Solid-filling agent is generally: 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, extract the residue etc. after plant essence), 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 (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.

For making the emulsification of active ingredient compound, dispersion, solubilized, and/or wetting surfactant can be used such as can to enumerate 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, alkyl aryl sulphonic acid, naphthalene sulfonic acid polymer, lignosulfonates, a shape 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 and/or polyoxypropylene or itself and such as (polynary) alcohol or (polynary) amine.

Tackifier such as carboxymethyl cellulose also can be used in preparation, and the natural and synthetic polymer of powder, particle or latex form, such as gum Arabic, polyvinyl alcohol and polyvinyl acetate or natural phospholipid, such as cephalin and lecithin, and synthetic phospholipid.Other additive is mineral oil and vegetable oil.

The colouring agent that may use as inorganic pigment, such as, iron oxide, titanium oxide and Prussian blue, and organic dyestuff, as alizarin dyes, azo dyes or metal phthalein mountain valley with clumps of trees and bamboo dyestuff, and trace nutrient, as iron, manganese, boron, ketone, cobalt, molybdenum and zinc salt.

The disintegrant that may use is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate.

The stabilizing agent that may use is selected from: the one in sodium citrate, resorcinol.

The antifreezing agent that may use is selected from: one or more in ethylene glycol, propane diols, glycerine, urea.

Described defoamer is selected from: silicone oil, silicone compound, C _10-20saturated fat acid compounds, C _8-10one or more in aliphatic alcohols compound.

Optionally, also can comprise other annexing ingredient, such as protecting colloid, adhesive, thickener, thixotropic agent, bleeding agent, stabilizing agent, screening agent.

Described active component mixes with filler and/or surfactant and prepares by known way by described preparation of the present invention, also can add other conventional additives, as drier and colouring agent, stabilizing agent, pigment, defoamer, preservative, thickener etc.

Fungicidai mixtures of the present invention can also have the medicament of weeding, desinsection or bactericidal property with other, particularly used in combination with protective fungicide, also can be used in combination with insecticide, protective agent, growth regulator, nutrient for plants or soil conditioner.

Fungicidai mixtures of the present invention has extraordinary fungicide performance, and can be used to prevent and treat phytopathogenic fungi, described fungi is especially selected from Ascomycetes (Ascomycetes), Basidiomycetes (Basidiomycetes), Phycomycetes (Phycomycetes) and deuteromycetes (Deuteromycetes) fungi.

Fungicidai mixtures of the present invention is particularly suited for preventing and treating following plant disease:

Rod method (AIternaria) on-vegetables, oilseed rape, sugar beet, fruit and rice belongs to,

Silk capsule mould (Aphanomyces) on-sugar beet and vegetables belongs to,

Bipolaris (Bipolaris) in-corn, Cereal, rice and lawn belongs to and the compacted spore of interior navel (Drechslera) belongs to,

Standing grain powdery mildew (Blumeria graminis) (powdery mildew) on-Cereal,

Botrytis cinerea (Botrytis cinerea) (gray mold) on-strawberry, vegetables, flowers and grape vine,

Lettuce dish stalk mould (Bremia lactucae) on-lettuce,

Tail spore (Cercospora) on corn, soybean, rice and sugar beet belongs to,

(standing grain on such as Cereal revolves spore to cochliobolus (Cochliobolus) genus on-corn, Cereal, rice

Chamber bacterium (Cochliobolus sativus), the palace portion cochliobolus (Cochliobolus miyabeanus) on rice),

Thorn dish spore (Colletotricum) on-soybean and cotton belongs to,

The compacted spore of interior navel (Drechslera) on-Cereal and corn belongs to,

The compacted spore of prominent navel (Exserohilum) on-corn belongs to,

. the two spore powdery mildews (Erysiphe cichoracearum) on cucumber and monofilament shell powdery mildew

(Sphaerotheca fuliginea) ,

Fusarium (Fusarium) on-each Plants belongs to and wheel branch spore (Verticillium) belongs to,

Gaeumannomyce (Gaeumanomyces graminis) on-Cereal belongs to,

Red mould (Gibberella) on-Cereal and rice belongs to the (gibberella fujikuroi (Gibberella on such as rice

fujikuroi)) ,

Gram’s staining complex (Grain staining complex) on-rice,

The compacted spore of length (Helminthosporium) on-corn and rice belongs to,

Michrodochium nivale on-Cereal,

Ball chamber bacterium (Mycosphaerella) on-Cereal, banana and peanut belongs to,

Phakopsora pachyrhizi (Phakopsora pachyrhizi) on-soybean and mountain horse sulphur layer rest fungus

(Phakopsara meibomiae) ,

Phomopsis (Phomopsis) on-soybean and sunflower belongs to,

Phytophthora infestans (Phytophthora infestans) on-potato and tomato,

The raw single shaft of grape on-grape vine mould (Plasmopara viticola),

Apple mildew bacterium (Podosphaera leucotricha) on-apple,

Wheat Phyllostachys pubescens (Pseudocercosporella herpotrichoides) on-Cereal,

False downy mildew (Pseudoperonospora) on-lupulus and cucurbit belongs to,

Handle rest fungus (Puccinia) on-Cereal and corn belongs to,

Nuclear cavity bacteria (Pyrenophora) on-Cereal belongs to,

Pyricularia oryzae (Pyricularia 0 η zae), Bamboo grass wood photovoltaicing leather bacteria (Corticium sasakii), broom stalk Cylindrocarpon (Sarocladium oryzae), sheath rot of rice plant (S.attenuatum), rice leaf smut (Entyloma oryzae) on-rice

Piricularia oryzae (Pyricularia grisea) on-lawn and Cereal,

-lawn, rice, corn, cotton, oilseed rape, sunflower, sugar beet, vegetables and other plant

Corruption on thing mould (Pythium) belongs to,

-cotton, rice, potato, lawn, corn, oilseed rape, potato, sugar beet, vegetables and its

Rhizoctonia (Rhizoctonia) on his plant belongs to,

Sclerotinite (Sclerotinia) on-oilseed rape and sunflower belongs to,

Wheat septoria (Septoria tritici) on-wheat and the many spore (Stagonospora of the withered shell of grain husk

nodorum) ,

Grape snag shell (Erysiphe) on-grape vine,

Setospaeria on-corn and lawn belongs to,

Silk axle smut (Sphacelotheca reilinia) on-corn,

Thielaviopsis sp (Thievaliopsis) on-soybean and cotton belongs to,

Tilletia foetida (Tilletia) on-Cereal belongs to,

Smut (Ustilago) on-Cereal, corn and sugar beet belongs to,

Black star bacterium (Venturia) on-apple and pears belongs to (scab).

Fungicidai mixtures of the present invention is 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, peanut, rape, sugarcane and various crop seed.

Fungicidai mixtures of the present invention is 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, stalk break (sclerotiose) in rape, 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, Fungicidai mixtures of the present invention can be used for preventing and treating the gray mold, stalk break, brown rot, leaf spot, banded sclerotial blight, full rot, rust, anthracnose, early blight, powdery mildew, scab, black spot, blight dis-ease, spot defoliation, stem wilt etc. on Cereal, fruit, vegetables, cotton, fruit tree, ornamental plants.

Fungicidai mixtures of the present invention also can be used for control fruit vegetables storing period disease.The fruit rot such as caused by following pathogene:

Aspergillus bacterium, such as aspergillus flavus;

Botrytis (Botrytis) bacterial classification, such as Botrytis cinerea (Botrytis cinerea);

Penicillium (Penicillium) bacterial classification, such as penicillium expansum (Penicillium expansum) and P.purpurogenum;

Sclerotinia (Sclerotinia) bacterial classification, such as sclerotinite (Sclerotinia sclerotiorum);

Verticillium (Verticilium) bacterial classification, such as black and white wheel branch spore (Verticilium alboatrum).

Fungicidai mixtures of the present invention also can be used for control kind and passes and soil-borne disease.Rotten and the wilting disease that the kind such as caused by following pathogene passes and soil passes and seedling disease:

Alternaria belongs to plants, the raw rod method (Alternaria brassicicola) of such as rape;

Aphanomyces (Aphanomyce) belongs to plants, the such as mould (Aphanomyces of Kidney bean silk capsule

euteiches) ;

Ascochyta (Ascochyta) belongs to be planted, such as Ascochyta lentis;

Aspergillus, such as aspergillus flavus;

Cladosporium belongs to plants, such as draft branch spore (Cladosporium herbarum);

Cochliobolus belongs to plants, such as standing grain cochliobolus;

(conidial form: Drechslera, Syn: long compacted spore bacterium);

Colletotrichum belongs to be planted, such as hair core anthrax-bacilus (Colletotrichum coccodes);

Fusarium belongs to plants, such as yellow sickle spore;

Gibberella belongs to plants, and such as beautiful another name for Sichuan Province multitude is red mould;

Shell ball spore belongs to (Macrophomina) genus kind, such as Kidney bean shell ball spore (Macrophomina

phaseolina) ;

Little setting-out shell belongs to bacterial classification, such as, avenge rotten little setting-out shell;

Penicillium belongs to plants, such as penicillium expansum;

Phaeosphaeria bacterial classification, such as Phaeosphaeria nodorum;

Phoma (Phoma) belongs to plants, such as black embryo Phoma sp (Phoma lingam);

Phomopsis (Phomopsis), such as soybean Phomopsis (Phomopsis sojae);

Phytophthora belongs to plants, such as Phytophthora cactorum (Phytophthora cactorum);

Nuclear cavity Pseudomonas belongs to be planted, such as wheat class nuclear cavity bacteria (Pyrenophora graminea);

Pyricularia Sacc. (Pyricularia) belongs to plants, such as Magnaporthe grisea (Pyricularia oryzae);

Pythium kind, such as Pythium ultimum;

Rhizoctonia belongs to plants, such as Rhizoctonia solani Kuhn;

Rhizopus (Rhizopus) belongs to plants, such as Rhizopus oryzae (Rhizopus oryzae);

Bulbil belongs to (Sclerotium) genus kind, such as Sclerotium rolfsii (Sclerotium rolfsii);

Core coral Pseudomonas (Typhula) belongs to be planted, such as meat spore core coral bacterium (Typhula incarnata);

Verticillium (Verticillium) belongs to plants, such as verticillium dahliae (Verticillium dahliae);

Fungicidai mixtures of the present invention, under control phytopathogenic fungi desired concn, the compatibility had with plant.Therefore, plant, plant propagation material and the plant organ grown subsequently, environment, habitat or storage areas can be applied to during Fungicidai mixtures of the present invention.

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.

The plant organ grown subsequently is any part 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 mixture 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 Fungicidai mixtures (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 Fungicidai mixtures being applied to certain plants part and certain plants Organoprotective plant avoids plant disease.

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.

According to the present invention, Fungicidai mixtures of the present invention is used directly to carry out according to conventional treatment method the process that plant carries out, or by processing environment residing for it, habitat or storage space to realize, the such as immersion liquid of described conventional treatment method, spraying, evaporation, atomizing, broadcasting sowing, smear; For plant propagation material or the plant organ that grows subsequently, especially seed, also can carry out one or more layers dressing.Type of service depends on the object be intended to; Under any circumstance all should guarantee that inventive mixture is meticulous as far as possible and distribute equably.Preferred application process is administered to aboveground vegetation part, especially foliage applying; Application times and use biology and the weather life condition that ratio depends on objective microbe.Active component also can reach in plant corpus by root system via soil or water, and available liquid preparation waters location or this material is mixed in soil in solid form thus.Fungicidai mixtures of the present invention also can be administered on seed-grain in seed treatment, and stem tuber or cereal can soak successively with the liquid preparation of often kind of active component thus, or wraps up with the wet or dry preparation mixed.

Active ingredient mixes environment or the habitat at plant place, and such as mix in the form of granules (soil application) in soil, active ingredient also enters inside plants by root system.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.

Fungicidai mixtures of the present invention is infecting not by plant disease for the protection of plant propagation material or the plant organ such as seed, fruit, stem tuber or the kernel or plant cutting that grow subsequently; before administration with this propagating materials of mixture process or the plant organ that grows subsequently, such as, can dress seed prior to seeding.Also by liquid mixture, soak kernel or with solid mixture 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 this mixture 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 the control of plant disease, hundred can with Boscalid separately co-administered or hundred can with the using by carrying out seed, plant or soil spraying or dusting before or after plant seeding or before or after plant emergence of the mixture of Boscalid.Mixture of the present invention can be used before or after plant or plant propagation material are by infection process.

Product of the present invention can finished product preparation form provide, and namely in Fungicidai mixtures, each material mixes, and the composition of Fungicidai mixtures also can provide by unit dose form, directly directly mixes in bucket or in tank, be then diluted to required concentration before using.The frequency of administration of Fungicidai mixtures of the present invention and amount of application, according to mixing ratio, meteorological condition, dosage form, Dressing date, the application process of active ingredient, use place, prevent and kill off the difference of object noxious livings, objective crop etc. and variant:

-usually for the concentration of leaf portion process active substance be: 10-600g/ha, preferred 30-500g/ha, more preferably 50-300g/ha; For dipping or instillation are used, described dosage even can also reduce, particularly when using inert base as asbestos or pearl rock;

-for seed treatment: 10-6000g active substance/100kg seed, preferred 50-5000g active substance/100kg seed;

-for soil treatment: 10-6000 g/ha, preferred 50-3000 g/ha;

-for fruits and vegetables impregnation process: dilute with water 200-2000 times liquid, leaching fruit one minute.

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 fruits and vegetables and the seriousness adjustment rate of application of germ.

Fungicidai mixtures of the present invention can be used by common method, amount of application with weather or crop condition change, use optimum period be crop susceptible before or the susceptible initial stage.Its lasting period is usually relevant with the content in Fungicidai mixtures, also relevant to extraneous factor.

Fungicidai mixtures of the present invention has the following advantages:

1, hundred can be complementary with the mechanism of action of both Boscalids, better protection and therapeutic action can be played;

2, hundred can have obvious synergistic function with Boscalid is composite, reduce every mu of using dosage of single medicament, thus both can reduce influence degree, can significantly reduce agricultural cost again, the effect of even preventing and treating some disease exceedes other bactericide existing;

3, fungicidal spectrum is more extensive, to the disease that various crop is caused by sac fungi, basidiomycetes, imperfect fungus, Phycomycetes, has good control efficiency.

In order to make object of the present invention, technical scheme and advantage clearly understand, the following specific embodiment of the present invention is described, but the present invention is limited to absolutely not these examples.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Embodiment

Below with reference to embodiment, the invention will be further described:

example of formulations:

Embodiment 1 2,%00 can obtain+10% Boscalid wetting powder

Hundred can obtain 2%

Boscalid 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 reactive compound, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 2,%00 and can obtain+10% Boscalid wetting powder.

Embodiment 2 50,%00 can obtain+1% Boscalid wetting powder

Hundred can obtain 50%

Boscalid 1%

Calcium dodecyl benzene sulfonate 1%

Sodium lignin sulfonate 2%

Sucrose complements to 100%

By the proportional components mixing by formula such as reactive compound, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 50,%00 and can obtain+1% Boscalid wetting powder.

Embodiment 3 1,%00 can obtain+4% Boscalid missible oil

Hundred can obtain 1%

Boscalid 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 50,%00 can obtain+5% Boscalid wetting powder

Hundred can obtain 50%

Boscalid 5%

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,%00 can obtain+50% Boscalid water dispersible granules

Hundred can obtain 2%

Boscalid 50%

MODIFIED LIGNOSULPHONATE 5%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Can obtain hundred, Boscalid, dispersant, wetting agent, disintegrant and filler in formula ratio mix, become wetting powder through air-flow crushing; Add a certain amount of water mixing extruding again and make material.Obtain 2,%00 after drying screening and can obtain+50% Boscalid water dispersible granules.

Embodiment 6 0.5% hundred can obtain+50% Boscalid suspension emulsion

Oil phase:

Hundred can obtain 0.5%

Methyl oleate 10%

Ethoxylated castor oil 5%

Aqueous phase:

Boscalid 50%

The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation

Water complements to 100%

Can be dissolved in hundred in methyl oleate, add ethoxylated castor oil and obtain oil phase; According to formula, the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of Boscalid, sulfonation, water are obtained after grinding and/or high speed shear the suspending agent of aqueous phase Boscalid; Under agitation oil phase is added aqueous phase and obtain suspension emulsion.

Embodiment 7 10,%00 can obtain+10% Boscalid wetting powder

Hundred can obtain 10%

Boscalid 10%

Sodium lignin sulfonate 1%

NaLS 2%

The silicic acid 1% of high degree of dispersion

Kaolin complements to 100%

Embodiment 8 40,%00 can obtain+50% Boscalid coated granule

Hundred can obtain 40%

Boscalid 50%

Polyethylene glycol 3%

The silicic acid 1% of high degree of dispersion

Calcium carbonate complements to 100%

In a mixer, by levigate Fungicidal active compound even spread on the carrier soaked by polyethylene glycol.Dust-free coated granules agent can be obtained in this way.

Embodiment 9 50,%00 can obtain+10% Boscalid wetting powder

Hundred can obtain 50%

Boscalid 10%

Lauryl sodium sulfate 1%

Sodium lignin sulfonate 1%

Kaolin complements to 100%

Embodiment 10 20,%00 can obtain+60% Boscalid granule

Hundred can obtain 20%

Boscalid 60%

Sodium lignin sulfonate 4%

Carboxymethyl cellulose 2%

Kaolin complements to 100%

Reactive compound is mixed with auxiliary agent and grinds, with water-wet, granulation, then dry in the air stream.

Embodiment 11 50,%00 can obtain+2% Boscalid seed coat agent

Hundred can obtain 50%

Boscalid 2%

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 5,%00 can obtain+50% Boscalid microcapsule suspension-suspendinagent agent

ATLOX ^TM4913 4%

Citric acid 0.05%

Catalyzer 0.1%

Water 8%

Boscalid 50%

PAPI ^TM1.35%

SOLVESSO ^TM200 5%

ATLOX ^TM4913 16%

Dispersant LFH 0.3%

Defoamer 0.16%

Urea 4.4%

Hundred can obtain 5%

Water complements to 100%

By PAPI ^tM, hundred can to obtain, 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.Hundred available microcapsuless are obtained after cooling.

ATLOX ^tM4913, dispersant LFH, defoamer, urea, Boscalid and water mix in proportion, after grinding and/or high speed shear, obtain suspending agent.

Can obtain microcapsules by obtain hundred adds in the suspending agent of Boscalid, stirs to obtain 5,%00 and can obtain+50% Boscalid microcapsule suspension-suspendinagent agent.

Embodiment 13 1,%00 can obtain+50% Boscalid suspension emulsion

Hundred can obtain 1%

Boscalid 50%

SOLVESSO ^TM200 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%

SOLVESSO can be dissolved in by hundred ^tMin 200, add ethoxylated castor oil, obtain hundred available oil phases;

Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, Boscalid and water are mixed in proportion, after grinding and/or high speed shear, obtains the suspending agent of Boscalid.

By joining the aqueous suspension agent containing Boscalid containing hundred available oil phases, obtain suspension emulsion.

Embodiment 14 50,%00 can obtain+0.5% Boscalid water dispersible granules

Hundred can obtain 50%

Boscalid 0.5%

MODIFIED LIGNOSULPHONATE 5%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Can obtain hundred, Boscalid, dispersant, wetting agent, disintegrant and filler in formula ratio mix, become wetting powder through air-flow crushing; Add a certain amount of water mixing extruding again and make material.Obtain 50,%00 after drying screening and can obtain+0.5% Boscalid water dispersible granules.

Embodiment 15 20,%00 can obtain+30% Boscalid water dispersible granules

Hundred can obtain 20%

Boscalid 30%

MODIFIED LIGNOSULPHONATE 5%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Can obtain hundred, Boscalid, dispersant, wetting agent, disintegrant and filler in formula ratio mix, become wetting powder through air-flow crushing; Add a certain amount of water mixing extruding again and make material.Obtain 20,%00 after drying screening and can obtain+30% Boscalid water dispersible granules.

Embodiment 16 5,%00 can obtain+5% Boscalid wetting powder

Hundred can obtain 5%

Boscalid 5%

Lauryl sodium sulfate 1%

Sodium lignin sulfonate 1%

Kaolin complements to 100%

Embodiment 17 50,%00 can obtain+50% Boscalid bond

Hundred can obtain 50%

Boscalid 50%

Proportioning in above embodiment is weight per distribution ratio.

Biological test example

The combination of active principles of different agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistance germ effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show three kinds of type of action: summation action, synergistic effect and antagonism.But be specially which kind of effect, unpredictable, only have and just can be known by great many of experiments.Compound synergic is well filled a prescription, and owing to significantly improving actual control efficiency, reduces the usage amount of agricultural chemicals, thus has delayed the drug-fast generation speed of germ widely, is the important means of integrated control disease.

The present invention by the abundant method of Sun Yun, Colby formula to hundred can and the combination of Boscalid carry out effect analysis, find that, in certain ratio range, the Fungicidai mixtures obtained has gain effect, and is not only the simple addition of two kinds of medicaments.

Toxicity Determination

Test 1: to the toxicity test of graw mold of tomato

Adopt spore germination test method(s).Choose the tomato seedling that growing way is consistent, each process selects 3 basins for examination tomato seedling, and spray under 50PSI pressure with potter spray tower, the about 5mL of every basin, each medicament arranges 12 concentration gradients.After chemicals treatment, 24h connects bacterium, the graw mold of tomato leaf picking up from field is evenly shaken off conidium above tomato seedling and inoculates, then tomato seedling is put into greenhouse and cultivate.According to the morbidity grade scale complete stool investigation disease index of graw mold of tomato after 7d, and calculate control efficiency, then calculate concentration EC in suppression by method of least squares ₅₀, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.

Computational methods:

Actual measurement toxicity index (ATI)=(standard agent EC ₅₀/ reagent agent EC ₅₀) * 100

In theoretical toxicity index (TTI)=A medicament toxicity index * mixture A percentage composition+B medicament toxicity index * mixture in the percentage composition of B

Co-toxicity coefficient (CTC)=[theoretical toxicity index (TTI) * 100 of mixture actual measurement toxicity index (ATI)/mixture

CTC<80 is antagonism, and 80≤CTC≤120 are summation action, and CTC > 120 is synergistic effect,

Table 1: to the virulence test result of graw mold of tomato

As known from Table 1, hundred can with the combination of Boscalid control graw mold of tomato in the scope of proportioning 100:1-1:100 time, co-toxicity coefficient is all greater than 120, and the mixture of both explanations within the scope of this all shows as gain effect.

Test 2: the toxicity test of powdery mildew of cucumber

Adopt spore germination test method(s): choose the cucumber seedling that growing way is consistent, each process selects 3 basins for examination leaf seedling, and spray under 50PSI pressure with potter spray tower, the about 5mL of every basin, each medicament arranges 12 concentration gradients.After chemicals treatment, 24h connects bacterium, the powdery mildew of cucumber leaf picking up from field is evenly shaken off conidium above cucumber seedling and inoculates, then cucumber seedling is put into greenhouse and cultivate.According to the morbidity grade scale complete stool investigation disease index of powdery mildew of cucumber after 7d, and calculate control efficiency, then calculate concentration EC in suppression by method of least squares ₅₀, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.

Table 2: to the virulence test result of powdery mildew of cucumber

As known from Table 2, hundred can with the combination of Boscalid prevent and treat powdery mildew of cucumber in the scope of proportioning 100:1-1:100 time, co-toxicity coefficient is all greater than 120, and the mixture of both explanations within the scope of this all shows as gain effect.

Test 3: the toxicity test of sclerotinia rot of colza

Adopt spore germination test method(s): choose the Brassica campestris L seedling that growing way is consistent, each process selects 3 basins for examination seedling, and spray under 50PSI pressure with potter spray tower, the about 5mL of every basin, each medicament arranges 12 concentration gradients.After chemicals treatment, 24h connects bacterium, the sclerotinia rot of colza leaf picking up from field is evenly shaken off conidium above Brassica campestris L seedling and inoculates, then Brassica campestris L seedling is put into greenhouse and cultivate.According to the morbidity grade scale complete stool investigation disease index of sclerotinia rot of colza after 7d, and calculate control efficiency, then calculate concentration EC in suppression by method of least squares ₅₀, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.

Table 3: to the virulence test result of sclerotinia rot of colza

As known from Table 3, hundred can with the combination of Boscalid control sclerotinia rot of colza in the scope of proportioning 100:1-1:100 time, co-toxicity coefficient is all greater than 120, and the mixture of both explanations within the scope of this all shows as gain effect.

Test 4: the toxicity test of Penicillium italicum

Adopt and suppress mycelial growth rate method: experiment target is designated as Penicillium italicum, test adopts co-toxicity coefficient method to evaluate the co-toxicity effect of complex preparation.

Acetone solution can be used respectively with Boscalid by hundred, the liquid being mixed with series concentration is diluted again with the Tween-80 aqueous solution of 0.1%, the conical flask of 6mL to sterilizing is drawn respectively in superclean bench, add potato dextrose agar (PDA) 54mL of about 50 DEG C, pour the plate of 4 diameter 9cm after shaking up into, make the toxic medium of 4 respective concentration; Use the same method and can make toxic medium with Boscalid series concentration compound solution by hundred of different ratio.By the cultivation Penicillium italicum bacterium of 2 days, break into bacterium block with the card punch of diameter 5mm at colony edge, with transfer needle, bacterium block is moved to the toxic PDA medium central authorities be mixed with in advance, be then placed in 25 DEG C of incubators and cultivate, often process repetition 4 times.After 3 days, adopt right-angled intersection method slide calliper rule to measure each process colony diameter cm, obtain correction inhibition percentage.Two diameters are surveyed in each bacterium colony right-angled intersection, represent bacterium colony size with its mean.Then colony growth inhibiting rate is obtained by following formula:

Then concentration EC in suppression is calculated by method of least squares ₅₀, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.

Table 4: to the virulence test result of Penicillium italicum

As known from Table 4, hundred can with the combination of Boscalid control Penicillium italicum in the scope of proportioning 100:1-1:100 time, co-toxicity coefficient is all greater than 120, and the mixture of both explanations within the scope of this all shows as gain effect.

Biological test example

When the effect of active compound combinations exceedes the summation of the effect when each reactive compound is used separately, there is synergistic function.The predictive role of the particular combination of two kinds of reactive compounds can use so-called " Colby formula " (see S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) calculate as follows: if

X is the activity when using the reactive compound A that consumption is mppm for mg/ha or concentration;

Y is the activity when using the reactive compound B that consumption is nppm for ng/ha or concentration, is expressed as the percentage accounting for untreated control;

E is when using consumption for activity during m and n g/ha or the concentration reactive compound A and B that is m and n ppm,

So

If the activity of actual observation (O) is greater than expection active (E), so this mixture super add and, namely there is synergistic effect.

Following biological test example is in order to illustrate the present invention.But the present invention is not limited to these embodiments.

Test 1 powdery mildew of cucumber test

Solvent: the N-methyl-pyrrolidon of 7 parts of weight

Emulsifier: the alkylaryl polyglycol ether of 2 parts of weight

In order to obtained suitable, 1 part of reactive compound by weight or the combination of reactive compound mixed with the solvent of above-mentioned amount and emulsifier, and is diluted with water to desired concn.

In order to measure activity, the active agent preparations of seedling with described using dosage is sprayed.The spore of seedling cucumber powdery mildew fungus dusts after becoming dry by liquid layer to be painted.Then test plant is placed in temperature about 20 ^oto promote the growth of white powder scab in the greenhouse of C, air humidity about 80%.Inoculate and carry out effect assessment after 7 days, 0% refer to effect with contrast suitable, 100% refers to not observe and infects.Reactive compound, using dosage and result of the test are listed in the following table:

Result of the test shows, and observes the activity that activity exceedes use " Colby " formulae discovery, shows obvious synergistic effect.

Test 2 ash arrhizus bacterias test (strawberry)

Solvent: the N-methyl-pyrrolidon of 7 parts of weight

Emulsifier: the alkylaryl polyglycol ether of 2 parts of weight

In order to obtained suitable reactive compound, 1 part of reactive compound by weight or the combination of reactive compound are mixed with the solvent of above-mentioned amount and emulsifier, and is diluted with water to desired concn.

In order to test therapeutical active, seedling Botrytis cinerea bacterium spore is dusted.Inoculate after 48 hours, the active agent preparations of Strawberry seedlings with described using dosage is sprayed.Then test plant is placed in temperature about 20 ^oto promote the growth of grey mold scab in the greenhouse of C, air humidity about 80%.Inoculate and carry out effect assessment after 7 days, 0% refer to effect with contrast suitable, 100% refers to not observe and infects.Reactive compound, using dosage and result of the test are listed in the following table:

Test 3 stalk break test (rape)/seed treatment

Reactive compound is used with dry seeds seed dressing.Said preparation is prepared by being mixed with levigate mineral matter by the reactive compound of independent reactive compound or combination, and obtaining can at the equally distributed finely powdered mixt of the surface of the seed.

During seed seed dressing, the shake 3 minutes in the glass flask closed of seed and seed seed dressing will be infected.Rape seed is seeded in 1 centimetre of dark standard soil, in temperature about 18 ^oc, cultivates in the greenhouse of air humidity about 95%, every 15 h light day by day of seeds cultivation case.

After sowing 3 weeks, evaluate the illness of Brassica campestris L seedling, 0% refer to effect with contrast suitable, 100% refers to not observe and infects.Reactive compound, using dosage and result of the test are listed in the following table:

Reactive compound	Using dosage gA.I/100kg seed	The active % observed	According to the activity (%) that Colby calculates	Synergistic
					Hundred can obtain	100	0	-	-
Boscalid	500	39.82	-	-
					Hundred can obtain+Boscalid	100+500	57.32	39.82	Be

Test 4: to the antiseptic effect of storage strawberry

Process strawberry plucks fruit picking time, rejects sick fruit and wound fruit, with process liquid leaching fruit 1min.Contrast clear water dipping.Dry after each process leaching fruit, load the plastic box that surrounding is lined with newspaper next day, normal temperature laboratory is preserved.Process latter 7 days and check decayed fruit number and reject decayed fruit, weigh up fruit weight simultaneously.And calculate preventive effect.

Test 5 is to the antiseptic effect of storage oranges and tangerines

Process and pluck tangerine fruit picking time in oranges and tangerines, reject sick fruit and wound fruit, with process liquid leaching fruit 1min.Contrast clear water dipping.Dry after each process leaching fruit, load the plastic box that surrounding is lined with newspaper next day, normal temperature laboratory is preserved.Process latter 45 days and check decayed fruit number and reject decayed fruit, weigh up fruit weight simultaneously.And calculate preventive effect.

Claims

1. a Fungicidai mixtures, is characterized in that: active component can form with Boscalid by hundred, and described hundred can be 100:1-1:100 with the weight ratio of Boscalid.

2. Fungicidai mixtures according to claim 1, is characterized in that: described hundred can be 50:1-1:50 with the weight ratio of Boscalid.

3. Fungicidai mixtures according to claim 1, is characterized in that: described hundred can be 25:1-1:25 with the weight ratio of Boscalid.

4. Fungicidai mixtures according to claim 1, is characterized in that: described hundred can be 10:1-1:10 with the weight ratio of Boscalid.

5. Fungicidai mixtures according to claim 1, is characterized in that: comprise the active component described in claim 1, filler and/or surfactant.

6. Fungicidai mixtures according to claim 1, is characterized in that: hundred can account for the 5%-90% of mixture with the content of Boscalid active component.

7. Fungicidai mixtures according to claim 1, is characterized in that: hundred can account for the 10%-80% of mixture with the content of Boscalid active component.

8. Fungicidai mixtures according to claim 1, is characterized in that: hundred can account for the 20%-60% of mixture with the content of Boscalid active component.

9. Fungicidai mixtures according to claim 1, it is characterized in that, the formulation of described mixture is wetting powder, missible oil, suspending agent, suspension emulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, water dispersible granules, foaming agent, paste, aerosol, ultra low volume spraying liquid.

10. Fungicidai mixtures according to claim 1 is for preventing and treating the purposes of fungi on Cereal, fruit, vegetables, cotton, fruit tree, ornamental plants.

11. 1 kinds of methods of preventing and kill off plant disease, are applied to plant, plant propagation material and the organ grown subsequently, environment by Fungicidai mixtures according to claim 1.

12. methods according to claim 11, is characterized in that: with the propagating materials of the plant of Fungicidai mixtures process needs protection according to claim 1.

13. Fungicidai mixtures according to claim 1 are for preventing and treating the purposes of fruit vegetables storing period disease.