CN105613540A - Active component composition - Google Patents
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- CN105613540A CN105613540A CN201410616022.0A CN201410616022A CN105613540A CN 105613540 A CN105613540 A CN 105613540A CN 201410616022 A CN201410616022 A CN 201410616022A CN 105613540 A CN105613540 A CN 105613540A
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- active ingredient
- chitosan
- chitin
- pyraclostrobin
- ingredient compositions
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Abstract
The invention relates to the field of agriculture, more specifically relates to an active component composition, and in particular to an agricultural composition containing pyraclostrobin and a chitin compound as well as an application thereof. According to the active component composition containing pyraclostrobin and the chitin compound, the chitin compound is chitin or deacetylchitin, a weight ratio of pyraclostrobin to chitin or deacetylchitin is 10000:1 to 1:10000. The invention also relates to a pesticide combination containing the above active component composition and an agriculturally acceptable auxiliary agent and/or a carrier, and the application of the composition for preventing and treating pathogenic fungi of the plant and/or improving plant health.
Description
Technical field
The present invention relates to agriculture field, be specifically related to a kind of active ingredient compositions, particularly to a kind of agriculturally useful compositions containing pyraclostrobin with chitinous compound and application thereof.
Background technology
The preventing and treating of agricultural disease is always up in agricultural production to be concerned about the most and important problem. The whole Growing season of crop nearly all can be subject to the invasion and attack of various disease.
Pyraclostrobin (Pyraclostrobin, Cas.NO:175013-18-0) has another name called pyraclostrobin, and sterling is white to the tasteless crystalline solid of oldlace. Pyraclostrobin is New-type wide-spectrum antibacterial. The mechanism of action: for mitochondrial respiratory inhibitor. namely by stoping electron transfer at cytochrome in synthesizing. There is protection, treatment, blade infiltration conduction. The multiple diseases of various crop such as wheat and barley, corn and soybean, vegetable and fruit tree etc. is had good preventive effect, such as powdery mildew, downy mildew, scab, leaf spot, sclerotiniose etc. by pyraclostrobin.
Chitin (chitin) is also known as chitin; connected the structure homopolysaccharide being polymerized by �� for N-acetyl-glucosamine; it is widely present in the shell of Crustacean, the carapace of insecticide and the cell wall of fungus; exist in some chlorellas; it is primarily used to as supporting health skeleton, and health is played the effect of protection. Its outward appearance is off-white color amorphous substance, odorless, tasteless, can be dissolved in the dimethyl acetylamide containing 8% lithium chloride or concentrated acid; Water insoluble, diluted acid, alkali, ethanol or other organic solvent.
Chitosan is also known as chitosan, it is that the chitin (chitin) being widely present by nature obtains through deacetylation, chemical name is Chitosan (1-4)-2-amino-B-D glucose, is the key component of the cell wall of phytopathogen and insect body wall. Can as soil conditioner, fruit and vegetable fresh-keeping agent, plant growth regulator etc. at agriculture field. Chitosan can not only induce the resistance defence of many plants to react, as induced the accumulation of peroxidase and chitinase, the accumulation of induction tomato leaf protease inhibitor, improves the resistance against diseases of plant, and phytopathogen also has inhibitory action.
CN101248793A discloses a kind of bactericidal composition containing pyraclostrobin and polyoxin and application thereof, is used for preventing and treating plurality of plant diseases.
CN101647456A discloses a kind of bactericidal composition containing pyraclostrobin and cymoxanil, its multiple diseases that can be used for preventing and treating fruit tree, vegetable, such as cucumber downy mildew, Fructus Lycopersici esculenti downy mildew etc.
Article " chitosan and the chitosan copper bacteriostatic activity to 6 kind of plant pathogenic fungi " (Zhu Xiaohong etc., Agriculture of Anhui science, 38 (18)) disclosing chitosan has good inhibition to Cotton Gossypii brown patch germ, botrytis cinerea pers, cotton boll rot pathogens, Fructus Cucumidis sativi reaping hook pathogenic bacteria, Yucca gloriosa L. anthrax bacteria and Fusarium Solani.
CN101027985A discloses a kind of polyose agricultural bacteriocide, wherein adopts chitin quaternary ammonium salt as main active, various agricultural disease is had good inhibition.
Repeatedly independent with single administration agricultural chemical compound causes that fast selective occurs in plant pathogenic fungi under many circumstances, and namely described reactive compound is had drug resistance that is natural or that adapt to by plant pathogenic fungi.
Crop protection field also needs to improve the compositions of plant health. More healthy plant can produce higher plant fruit yield and/or higher plant or fruit quality.
Summary of the invention
It is an object of the present invention to provide a kind of active ingredient compositions, harmful fungoid is had the activity profile of good effect, the close rate of reduction, enhancing.
Another object of the present invention provides a kind of active ingredient compositions, improves plant health.
The present inventor have passed through long-term research, it has been found that by composite to pyraclostrobin and chitinous compound such as chitin or chitosan, it is possible to prevent and treat plant pathogenic fungi and/or improve plant health, and Synergistic. Based on this discovery, inventor completes the present invention.
Therefore, one aspect of the present invention provides a kind of active ingredient compositions, and described active ingredient compositions contains pyraclostrobin and chitinous compound, and wherein said chitinous compound is chitin or chitosan.
Preferably, in aforesaid active principles in combination thing, the weight ratio of described pyraclostrobin and chitin or chitosan is 1000:1 to 1:1000, it is preferable that 5000:1 to 1:5000, more preferably 2500:1 to 1:2500, more preferably 1000:1 to 1:1000, further preferably 500:1 to 1:500, further preferably 250:1 to 1:250, further preferably 100:1 to 1:100, further preferably 50:1 to 1:50, further preferably 10:1 to 1:10.
In above-mentioned chitinous compound, the weight average molecular weight of described chitin is 2,000-300,000, preferably 5,000-100,000, more preferably 5,000-50,000; The weight average molecular weight of described chitosan is 2,000-300,000, it is preferable that 4,000-80,000, more preferably 4,000-40,000. The deacetylation of described chitosan more than 50%, be preferably greater than 80%, more preferably greater than 90%.
Another aspect of the present invention provides a kind of composition pesticide, and described compositions comprises aforesaid active principles in combination thing, and agriculturally acceptable auxiliary agent and/or carrier.
Preferably, in above-mentioned agriculturally useful compositions, described active ingredient compositions weight content in described agriculturally useful compositions is 1wt.% to 90wt.%, preferred 5wt.% to 60wt.%, more preferably 10wt.% to 50wt.%.
Above-mentioned composition pesticide prepares into agriculturally acceptable any dosage form, is wherein preferably prepared to cream, suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules, microcapsule suspending agent, suspension seed-coating agent, suspension emulsion etc.
Another aspect of the present invention also provides for a kind of active ingredient compositions or the composition pesticide purposes in preventing and treating plant pathogenic fungi.
Another aspect of the present invention also provides for a kind of active ingredient compositions or the composition pesticide purposes in improving plant health.
The present invention also provides for a kind of preventing and treating plant pathogenic fungi and/or the method improving plant health, and active ingredient compositions of the present invention or composition pesticide act on the seed of target useful plant, target pathogenic epiphyte or its environment, target useful plant.
The present invention also provides for a kind of preventing and treating plant pathogenic fungi and/or the method improving plant health, and expection is grown the seed of target plant prior to seeding and/or after accelerating germination with active ingredient compositions of the present invention or composition pesticide process.
Detailed Description Of The Invention
One aspect of the present invention provides a kind of active ingredient compositions, and described active ingredient compositions contains pyraclostrobin and chitin or chitosan. Pyraclostrobin exists with Synergistic effective dose with chitin or chitosan weight ratio. The weight ratio of pyraclostrobin and chitin or chitosan is 1000:1 to 1:1000, preferred 5000:1 to 1:5000, more preferably 2500:1 to 1:2500, more preferably 1000:1 to 1:1000, further preferably 500:1 to 1:500, further preferably 250:1 to 1:250, further preferably 100:1 to 1:100, further preferably 50:1 to 1:50, further preferably 10:1 to 1:10. The present invention has surprisingly found that, in above-mentioned scope, pyraclostrobin obtains the effect of Synergistic with chitin or chitosan.
In above-mentioned chitinous compound, the weight average molecular weight of described chitin is 2,000-300,000, preferably 5,000-100,000, more preferably 5,000-50,000; The weight average molecular weight of described chitosan is 2,000-300,000, it is preferable that 4,000-80,000, more preferably 4,000-40,000. The deacetylation of described chitosan more than 50%, be preferably greater than 80%, more preferably greater than 90%.
Another aspect of the present invention provides a kind of composition pesticide, and wherein said composition pesticide comprises aforesaid active principles in combination thing, and agriculturally acceptable auxiliary agent and/or carrier.
Preferably, in above-mentioned composition pesticide, described active ingredient compositions weight content in described composition pesticide is 1wt.% to 90wt.%, preferred 5wt.% to 60wt.%, more preferably 10wt.% to 50wt.%.
Above-mentioned composition pesticide prepares into agriculturally acceptable any dosage form, is wherein preferably prepared to cream, suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules, microcapsule suspending agent, suspension emulsion.
Above-mentioned dosage form is this area regular dosage form, its preparation method is well known to those skilled in the art, prepare into the agricultural agent used in above-mentioned various dosage form and/or carrier and consumption is similarly well-known to those skilled in the art, these all may refer to such as " formulations of pesticide process technology " (Liu Bulin edits, the second edition). Auxiliary agent used and/or carrier such as include but not limited to solvent, cosolvent, emulsifying agent, dispersant, wetting agent, cyst material, binding agent, film former, disintegrating agent, thickening agent, antifreezing agent, stabilizer, pH adjusting agent, warning coloration, filler and/or carrier etc. Those skilled in the art can select one or more auxiliary agents therein and/or carrier.
Such as, when preparing into suspending agent, it is possible to comprise following components by weight percent: active component 1%-90%, wetting agent 2%-15%, dispersant 2%-15%, thickening agent 1%-5%, antifreezing agent 1%-5%, defoamer 0.1%-2%, water surplus;
When preparing into suspended emulsion, it is possible to comprise following components by weight percent: active component 1%-90%, solvent 1%-30%, emulsifying agent 2%-15%, wetting agent 2%-15%, dispersant 2%-10%, thickening agent 1%-5%, antifreezing agent 1%-5%, defoamer 0.1%-2%, water surplus;
When preparing into aqueous emulsion, it is possible to comprise following components by weight percent: active component 1%-90%, solvent and cosolvent 2%-30%, emulsifying agent 1%-15%, antifreezing agent 1%-5%, defoamer 0.1%-2%, water surplus;
When preparing into microemulsion, it is possible to comprise following components by weight percent: active component 1%-90%, solvent and cosolvent 2%-30%, emulsifying agent 5%-25%, antifreezing agent 1%-5%, defoamer 0.1%-2%, water surplus;
When preparing into wettable powder, it is possible to comprise following components by weight percent: active component 1%-90%, wetting agent 2%-15%, dispersant 2%-15%, filler surplus;
When preparing into water dispersible granules, it is possible to comprise following components by weight percent: active component 1%-90%, wetting agent 2%-15%, dispersant 2%-15%, disintegrating agent 1%-6%, binding agent 1%-5%, filler surplus.
Wherein, in above-mentioned formula, described solvent can be selected: one or more in benzene,toluene,xylene, acetone, dimethylformamide, dimethyl sulfoxide, chloroform, dichloromethane, hexamethylene, Ketohexamethylene, N-Methyl pyrrolidone, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, Hexalin, Propylene Glycol ether, ethohexadiol ether, petroleum ether, acetonitrile, paraffin, tetrahydronaphthalene, isophorone, soybean oil, Semen Gossypii wet goods;
Described cosolvent can be selected: one or more in methanol, ethanol, isopropanol, n-butyl alcohol etc.;
Described emulsifying agent can be selected: sodium lauryl sulphate, dodecylbenzene sodium sulfonate, calcium dodecyl benzene sulfonate, thermally coupled distillation columns amine salt, castor oil polyoxyethylene ether phosphate amine salt, triphen ethyl phenol polyoxy ether phosphate amine salt, Polyoxyethylene fatty amide, Fixanol, alkyl isoquinolinium salt, dialkylmorpholinum salts, oleamide sulfonate, diisopropyl naphthalene sulfonate, lignosulfonates, naphthalenesulfonate formaldehyde condensation compound, styryl phenyl polyoxyethylene ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, NPE, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene block polymer, alkyl phenol formaldehyde resin polyoxyethylene ether, Polyoxyethylene Sorbitol Fatty Acid Esters, sorbitan monostearate, sorbitan monostearate polyoxyethylene ether, one or more in polyoxypropylene glycol mono fatty acid ester etc.,
Described dispersant can be selected: lignosulfonates, p-hydroxyphenyl sodium lignin sulfonate, fatty alcohol polyoxyethylene ether sulfate, alkylnaphthalene sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, dodecyl trimethyl ammonium salt, alkyl dimethyl benzyl ammonium salt, two polyoxyethylene lauryl ether phosphate, styrene-maleic acid salt copolymer, aliphatic alcohol polyoxyvinethene phosphate, NPE, glycerine fatty acid polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene lanolin alcohol, Polyoxyethylene Sorbitan acid esters, polyoxyethylene glyceryl mono fatty acid ester, one or more in alkylolamides and polyoxyethylene alkyl amine etc.,
Described wetting agent can be selected: sodium lauryl sulphate, calcium dodecyl benzene sulfonate, isooctanol Disodium sulfosuccinate, oleoyl methyl sodium taurocholate, polyoxyethylene lauryl ether carboxylic acid sodium, sodium N-lauroyl sarcosinate, N-sodium lauroyl glutamate, dioctyl sulfosuccinate, polyoxyethylene alkylaryl ether phosphate ester salt, trisiloxanes polyoxyethylene ether, triphenoethyl benzene phenol polyethenoxy ether, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, alkylphenol-polyethenoxy gathers base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether phosphate, polyoxyethylene fatty acid ester, higher fatty acid ester, one or more in sorbitan aliphatic ester etc.,
Described binding agent can be selected: one or more in starch, polyvinylpyrrolidone, carboxymethyl cellulose, carboxyethyl cellulose, gelatin, arabic gum, xanthan gum etc.;
Described film former can be selected: one or more in polyvinyl alcohol, polyvinyl acetate, polyacrylamide, carboxymethyl cellulose, hydroxypropyl cellulose, arabic gum, gelatin, xanthan gum, starch etc.;
Described disintegrating agent can be selected: one or more in carbamide, sodium sulfate, calcium sulfate, sodium bicarbonate, ammonium sulfate, magnesium chloride, sodium chloride etc.;
Described thickening agent can be selected: one or more in arabic gum, xanthan gum, gelatin, polyvinyl alcohol, aluminium-magnesium silicate, sodium carboxymethyl cellulose etc.;
Described defoamer can be selected: one or more in butylphosphoric acid ester, phosphoric acid isobutyl ester, n-capryl alcohol, silicone etc.;
Described antifreezing agent can be selected: one or more in ethylene glycol, propylene glycol, glycerol etc.;
Described stabilizer can be selected: one or more in the soybean oil based trimethylene diamine of triphenyl phosphite, N-, dialkyl group succinate sulfonate, epoxychloropropane, butyl glycidyl ether etc.;
Described warning coloration can be selected: basic rhodamine, alkaline purple 10, alkalescence are purple 49, one or more in CI 45430, Xylene Red 52, azogeramine 4, acid blue 9, acid yellow 23, alkali red 1:1 0, alkali red 1:1 08;
Described preservative can be selected: one or more in benzoic acid, sodium benzoate etc.;
Described pH adjusting agent can be selected: one or more in hydrochloric acid, sodium hexameta phosphate, sodium citrate, sodium bicarbonate, sodium hydroxide, hydrogen-oxygen agent, triethanolamine etc.;
Described filler and/or carrier can be selected: one or more in attapulgite, kieselguhr, Kaolin, white carbon, bentonite, montmorillonite, calcium carbonate, zeolite, acid clay, hargil, pyrophyllite, Talcum, calcite etc.
Another aspect of the present invention also provides for a kind of active ingredient compositions or the composition pesticide purposes in preventing and treating plant pathogenic fungi.
Wherein, the applicable crops of the present composition and/or crop seeds include but not limited to: Oryza sativa L., Semen Tritici aestivi, Semen Maydis, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Sorghum vulgare Pers., Cotton Gossypii, Semen sojae atricolor, Semen Phaseoli, Kidney bean, Semen arachidis hypogaeae, Semen Fagopyri Esculenti, Radix Betae, Brassica campestris L, Helianthi, Caulis Sacchari sinensis, Nicotiana tabacum L., Fructus Solani melongenae, Fructus Lycopersici esculenti, Pericarpium Zanthoxyli, Rhizoma Solani tuber osi, Cucurbita pepo L., Fructus Cucumidis sativi, Fructus Cucurbitae moschatae, Citrullus vulgaris, Fructus Benincasae, Fructus Cucurbitae moschatae, Radix Raphani, root-mustard, Chinese cabbage, Caulis et Folium Brassicae capitatae, Caulis et Folium Brassicae junceae, Caulis et Folium Brassicae capitatae, Brassica oleracea L. var. botrytis L., Fructus Arctii, garland chrysanthemum, Jerusalem artichoke, Caulis et Folium Lactucae Sativae, Herba Alii fistulosi, Bulbus Allii Cepae, Bulbus Allii, Germinatus Phragmitis, Radix Dauci Sativae, Herba Coriandri, Herba Apii graveolentis, Herba Spinaciae, Semen Pisi sativi, Swiss chard, Semen Brassicae Campestris etc.
The present composition is suitable to the agricultural disease fungal pathogens of preventing and treating and includes but not limited to:
Mastigomycotina fungus, for instance the funguses such as knee Pseudomonas (Plasmodiophora), joint Chytridium (Physoderma), Saprolegnia (Saprolegnia), Achyla (Achlya), pythium (Pythium), Phytophthora (Phytophthora), Peronospora (Peronospora), Pseudoperonospora (Pseudoperonospora), Plasmopara (Plasmopara), Bremia (Bremia), Sclerospora (Sclerospora);
Zygomycotina fungus, for instance the funguses such as Rhizopus (Rhizopus), mucor (Mucor), Absidia (Absidia), Choanephora (Choanephora);
Ascomycotina fungus, such as Exoascus (Taphrina), Eurotiale (Eurotiales), aspergillus (Aspergillus), Penicillium (Penicillium), Blumeria (Blumeria), Sphaerotheca (Sphaerotheca), Podosphaera (Podosphaera, Erysiphe (Erysiphe), Microsphaera (Microsphaera), Uncinula (Uncinula), Phyllactinia (Phyllactinia), long beak shell belongs to (Ceratocystis), Gibberella (Gibberella), Valsa (Valsa), mycosphaerella (Mycosphaerella), ball Cuo Pseudomonas (Guignardia), Venturia (Venturia), chain sclerotinia sclerotiorum belongs to (Monilinia, Invisible element is Monilia), the funguses such as Sclerotinia (Sclerotinia),
Basidiomycotina fungus, for instance Puccinia (Puccinia), glue Rust (Gymnosporangium), grid Rust (Melampsora), Phakopsora (Phakopsora), Ustilago (Ustilago), Tilletia (Tilletia), axle Ustilago (Sphacelotheca), every load ear belong to (Septobasidium), Exobasidium (Exobasidium), lead fungi of dying belong to the fungus such as (Thanatephorus), Armillaria (Armillaria);
Deuteromycotina fungus, such as Rhizoctonia (Rhizoctonia), sclerotium (Sclerotium), Monilia (Monilia), powder spore belongs to (Oidium), Botrytis (Botrytis), Ramularia (Ramularia), Pyricularia Sacc. (Pyricularia), Penicillium (Penicillium), aspergillus (Aspergillus), Verticillium (Verticillium, Cercospora (Cercospora), Alternaria, Cladosporium (Cladosporium), Fusicladium (Fusicladium), Drechslera (Drechslera), Bipolaris (Bipolaris), the diseases such as prominent umbilicus Helminthosporium (Exserohilum).
Concrete, the present composition includes but not limited to for concrete plant disease and the pathogenic fungi prevented and treated:
Rice disease: rice blast (ash pears spore (Pyriculariagrisea)), long compacted spore leaf spot (palace portion cochliobolus (Cochliobolusmiyabeanus)), banded sclerotial blight (Rhizoctonia solani Kuhn (Rhizoctoniasolani)) and bakanae disease (gibberella fujikuroi (Gibberellafujikuroi));
Fructus Hordei Vulgaris, Semen Tritici aestivi, Herba bromi japonici and rye (Secale cereale L.) disease: powdery mildew (standing grain powdery mildew (Blumeriagraminis)), head blight (F.graminearum schw (Fusariumgraminearum), Herba bromi japonici sickle spore (F.avenacerum), machete sickle spore (F.culmorum), F.asiatricum, the rotten microtorr bacterium (Microdochiumnivale) of snow), rust (bar shaped handle rest fungus (Pucciniastriiformis), puccinia graminis (P.graminis), wheat leaf rust pathogenic bacteria (P.recondite), Fructus Hordei Vulgaris handle rest fungus (P.hordei)), snow blight (Typhulasp., Micronectriellanivalis), smut (Ustilagotritici), bunt (Tilletia caries (Tilletiacaries)), eye spot (Semen Tritici aestivi Phyllostachys pubescens (Pseudocercosporellaherpotrichoides)), barley leaf blotch (rye (Secale cereale L.) beak spore (Rhynchosporiumsecalis)), Semen Tritici aestivi moire disease (wheat leaf blight bacterium (Septoriatritici)), glume blight (clever withered spherical cavity bacterium (Leptosphaerianodorum)) and net blotch (PyrenophorateresDrechsler),
Maize diseases: the leaf blight of corn (the prominent compacted spore bacterium (Exserohilumturcicum) of umbilicus), corn southern leaf blight (Fusarium oxysporum (Bipolarismaydis)), corn rust (Puccina sorghi (Pucciniasorghi));
Tomato disease: early blight (rope Lan Shi rod method (Alternariasolani)), leaf mold (cladosporium fulvum (Cladosporiumfulvum)), late blight (phytophthora infestans (Phytophthorainfestans)), gray leaf spot (eggplant crawl handle mould (Stemphyliumsolani));
Cucumber disease: gray mold (Botrytis cinerea (Botrytiscinerea)), cucumber downy mildew (Pseudoperonospora Cuba artificial downy mildew (Pseudoperonosporacubensis)), powdery mildew of cucumber (monofilament shell powdery mildew (Sphaerothecafuliginea));
Cotton disease: Fusariumsp wilt disease (Fusarium oxysporum (Fusariumoxysporum)), damping off (Rhizoctonia solani Kuhn (Rhizoctonia solani Kuhn (Rhizoctoniasolani)), verticillium wilt (Dahlia Pinnata Cav. wheel branch spore (Verticilliumdahlia));
Brassica campestris L disease: sclerotiniose (sclerotinite (Sclerotiniasclerotiorum)), melasma (black spot of cabbage rod method (Alternariabrassicae)), powdery mildew (Erysiphecichoracearum), balck shank (Leptosphaeriamaculans);
Fructus Solani melongenae disease: brown spot (brown stricture of vagina Phomopsis (Phomopsisvexans)) and powdery mildew (Erysiphecichoracearum);
Brassicaceous vegetable disease: interlinkage bag belongs to leaf spot (Alternariajaponica), leukoderma (overgrown with weeds bluish white pinta bacterium (Cercosporellabrassicae)), clubroot (plasmodiophora brassicae (Plasmodiophorabrassicae)) and downy mildew (Peronospora parasitic (Peronosporaparasitica));
Herba Alii fistulosi disease: rust (Herba Alii fistulosi handle rest fungus (Pucciniaallii));
Beans disease: purple seed pinta (Kikuchi tail spore (Cercosporakikuchii), crust circle spore belongs to shot hole (Elsinoeglycines), pod blight and cane blight (Diaporthephaseolorumvar.sojae), rust (Phakopsorapachyrhizi), stem rot (soybean phytophthora (Phytophthorasojae)), gray mold (Botrytis cinerea (Botrytiscinerea), sclerotiniose (Sclerotiniasclerotiorum),
Kidney bean disease: gray mold (Botrytis cinerea (Botrytiscinerea), sclerotiniose (Sclerotiniasclerotiorum), anthrax (Colletotrichumlindemthianum);
Peanut disease: leaf spot (ball seat tail spore bacterium (Cercosporapersonata)), brown leaf spot (Semen arachidis hypogaeae tail spore bacterium (Cercosporaarachidicola)) and southern blight (Sclerotium rolfsii (Sclerotiumrolfsii));
Radix Betae disease: Cercospora leaf spot (Radix Betae tail spore (Cercosporabeticola)), leaf blight (Thanatephoruscucumeris), root rot (Aphanomycescochlioides);
Semen Pisi sativi disease: powdery mildew (Semen Pisi sativi powdery mildew (Erysiphepisi));
Rhizoma Solani tuber osi disease: early blight (rope Lan Shi rod method (Alternariasolani)), late blight (phytophthora infestans (Phytophthorainfestans)), pink rot (Phytophthoraerythroseptica), powdery scab (Spongosporasubterraneanf.sp.subterranea) and rhizoctonia disease (Rhizoctoniasolani);
Tobacco diseases: brown spot (long handle rod method (Alternarialongipes)), powdery mildew (two spore powdery mildews (Erysiphecichoracearum)), anthrax (Colletotrichumtabacum), downy mildew (peronospora tabacina (Peronosporatabacina)) and late blight (Phytophthoranicotianae).
It is likely to compared with the control rate of acquirement with individualized compound, when the compositions of pyraclostrobin with chitin or chitosan is used for plant, seed or its growth place, the compositions of pyraclostrobin and chitin or chitosan obtains the effect to plant pathogenic fungi (synergistic function) significantly improved.
Pyraclostrobin can jointly or separately be used with chitin or chitosan. When separate administration, using of each active component can the part simultaneously or as processing sequence carry out one by one, wherein preferably uses with the interval of several minutes to a couple of days when using successively.
Another aspect of the present invention also provides for a kind of active ingredient compositions or the composition pesticide purposes in improving plant health.
The term " improving plant health " of the present invention refers to the crop characteristic of improvement, including: emerge, crop yield, protein content, more flourishing root system, tiller increase, plant height increases, blade becomes less, the higher tiller of big, dead basal leaf, leaf green is greener, the less fertilizer of pigment content, photochemical vitality, needs, the plant lodging needing less seed, more fertile tiller, relatively prematurity, corn ripe, less earlier, branch growth increases, plant vigor increases, plant uprightly increases and early stage sprouts.
Plant growth regulator is the material changing general and specific growth and differentiation and growth course in plant. Plant growth regulator generally accelerates or blocks plant growing or ripe speed or its yield. Such as, plant growth regulator can stimulate seed germination, change plant height or change plant growth rate, including time and the efficiency of bloom, make leaf color burn or change result.
Surprisingly, it is likely to compared with the activity of acquirement with individualized compound, when the compositions of pyraclostrobin and chitin or chitosan is applicable to plant, seed or its growth place, pyraclostrobin and the compositions of chitin or chitosan to plant health improve by super add and in the way of increase.
The present invention also provides for a kind of preventing and treating plant pathogenic fungi and/or the method improving plant health, and active ingredient compositions of the present invention or composition pesticide act on the seed of target useful plant, target pathogenic epiphyte or its environment, target useful plant.
The present invention also provides for a kind of preventing and treating plant pathogenic fungi and/or the method improving plant health, and expection is grown the seed of target plant prior to seeding and/or after accelerating germination with active ingredient compositions of the present invention or composition pesticide process.
The compositions of the present invention can itself be used, and uses with its dosage form or type of service prepared therefrom. By conventional methods it is used, for instance carrying out watering, spray, atomizing, broadcast sowing, dust, Waterless Seed Dressing, wet-mixing kind, serosity are dressed seed.
The method of seed treatment, include, for example, the medicament of diluent liquid or solid, shaped or need not dilute and directly seed is immersed in liquid condition solution and makes medicament soak into the method for seed, solid chemicals or liquid preparation be mixed with seed, carry out Cotton seeds make the surface of the seed attachment medicament method, while planting near seed the method such as sprinkling.
Beneficial effects of the present invention shows:
Various plants pathogen is had good sterilization and bacteriostasis effect by pyraclostrobin, and chitin or chitosan can improve plant health, the two is organically combined by the present invention, can produce synergism in preventing and treating plant pathogenic fungi and/or in improving plant health.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these detailed description of the invention. One skilled in the art would recognize that and present invention encompasses all alternatives, improvement project and the equivalents potentially included in Claims scope.
(1) example of formulations
In following example of formulations, unless otherwise indicated, described percentage ratio is all weight percentage.
Embodiment 125% pyraclostrobin+0.005% chitin suspending agent
Formula consists of: pyraclostrobin 25%, chitin 0.005%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, isooctanol Disodium sulfosuccinate 6%, polyvinyl alcohol 5%, ethylene glycol 5%, butylphosphoric acid ester 0.5%, water surplus;
Preparation method is: weigh above-mentioned each component of formula ratio, by micronizing method, prepares suspending agent.
Embodiment 20.2% pyraclostrobin+20% chitosan suspending agent
Formula consists of: pyraclostrobin 0.2%, chitosan 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, alkylphenol-polyethenoxy gather base ether formaldehyde condensation products 8%, polyvinyl alcohol 5%, ethylene glycol 5%, n-capryl alcohol 0.5%, water surplus;
Preparation method is: weigh above-mentioned each component of formula ratio, by micronizing method, prepares suspending agent.
Embodiment 310% pyraclostrobin+0.001% chitin suspension emulsion
Formula consists of: pyraclostrobin 10%, chitin 0.001%, dimethylformamide 13%, sodium lauryl sulphate 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 4%, polyoxyethylene lauryl ether carboxylic acid sodium 4%, polyvinyl alcohol 4%, glycerol 4%, phosphoric acid isobutyl ester 0.5%, water surplus;
Preparation method is: preparation method is: the pyraclostrobin of formula ratio, solvent, emulsifying agent, antifreezing agent, thickening agent, defoamer and suitable quantity of water is mixed, obtains aqueous emulsion; The chitin of formula ratio, dispersant, wetting agent and suitable quantity of water mixed and carries out sand milling, obtaining suspension; The water of above-mentioned aqueous emulsion, suspension and surplus is mixed, stirs, obtain suspension emulsion.
Embodiment 41% pyraclostrobin+10% chitosan suspended emulsion
Formula consists of: pyraclostrobin 1%, chitosan 10%, dimethylformamide 3%, sodium lauryl sulphate 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5%, trisiloxanes polyoxyethylene ether 5%, polyvinyl alcohol 4%, glycerol 4%, phosphoric acid isobutyl ester 0.5%, water surplus;
Preparation method is: preparation method is: the pyraclostrobin of formula ratio, solvent, emulsifying agent, antifreezing agent, thickening agent, defoamer and suitable quantity of water is mixed, obtains aqueous emulsion; The chitosan of formula ratio, dispersant, wetting agent and suitable quantity of water mixed and carries out sand milling, obtaining suspension; The water of above-mentioned aqueous emulsion, suspension and surplus is mixed, stirs, obtain suspension emulsion.
Embodiment 54% pyraclostrobin+40% chitin water dispersible granules
Formula consists of: pyraclostrobin 4%, chitin 40%, NPE 10%, calcium dodecyl benzene sulfonate 8%, calcium sulfate 5%, carboxyethyl cellulose 4%, bentonite surplus;
Preparation method is: weigh above-mentioned each component of formula ratio respectively, and be mixed, pelletize, prepare water dispersible granules.
Embodiment 60.02% pyraclostrobin+20% chitosan water dispersible granules
Formula consists of: pyraclostrobin 0.02%, chitosan 20%, glycerine fatty acid polyoxyethylene ether 8%, trisiloxanes polyoxyethylene ether 6%, calcium sulfate 5%, carboxyethyl cellulose 4%, kieselguhr surplus;
Preparation method is: weigh above-mentioned each component of formula ratio respectively, and be mixed, pelletize, prepare water dispersible granules.
Embodiment 730% pyraclostrobin+3% chitin wettable powder
Formula consists of: pyraclostrobin 30%, chitin 3%, p-hydroxyphenyl sodium lignin sulfonate 8%, sorbitan aliphatic ester 9%, acid clay surplus;
Preparation method is: weighs above-mentioned each component of formula ratio, and is mixed, grinds, pulverizes, and prepares wettable powder.
Embodiment 80.5% pyraclostrobin+25% chitosan wettable powder
Formula consists of: pyraclostrobin 0.5%, chitosan 25%, polyoxyethylene alkyl amine 8%, castor oil polyoxyethylene ether 8%, acid clay surplus;
Preparation method is: weighs above-mentioned each component of formula ratio, and is mixed, grinds, pulverizes, and prepares wettable powder.
Embodiment 925% pyraclostrobin+0.005% chitosan suspending agent
Formula consists of: pyraclostrobin 25%, chitosan 0.005%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, isooctanol Disodium sulfosuccinate 6%, polyvinyl alcohol 5%, ethylene glycol 5%, butylphosphoric acid ester 0.5%, water surplus;
Preparation method is: weigh above-mentioned each component of formula ratio, by micronizing method, prepares suspending agent.
Embodiment 1010% pyraclostrobin+0.001% chitosan suspension emulsion
Formula consists of: pyraclostrobin 10%, chitosan 0.001%, dimethylformamide 13%, sodium lauryl sulphate 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 4%, polyoxyethylene lauryl ether carboxylic acid sodium 4%, polyvinyl alcohol 4%, glycerol 4%, phosphoric acid isobutyl ester 0.5%, water surplus;
Preparation method is: preparation method is: the pyraclostrobin of formula ratio, solvent, emulsifying agent, antifreezing agent, thickening agent, defoamer and suitable quantity of water is mixed, obtains aqueous emulsion; The chitosan of formula ratio, dispersant, wetting agent and suitable quantity of water mixed and carries out sand milling, obtaining suspension; The water of above-mentioned aqueous emulsion, suspension and surplus is mixed, stirs, obtain suspension emulsion.
In above-described embodiment, the weight average molecular weight of chitin used is about 40,000; The weight average molecular weight of chitosan used is about 30,000; The deacetylation of described chitosan is about 90%.
Embodiment 1199.999% pyraclostrobin+0.001% chitosan
Pyraclostrobin 99.999%, chitosan 0.001% mix homogeneously.
Embodiment 1299.99% pyraclostrobin+0.01% chitosan
Pyraclostrobin 99.99%, chitosan 0.01% mix homogeneously.
In above example, proportioning is weight per distribution ratio.
(2) sterilization biological test
There will be three kinds of situations: antagonism, addition and potentiation after active compound, generally when the effect summation acted on when each reactive compound is individually used of active compound combinations, namely it is believed that active compound exists synergistic function. The predictive role of reactive compound by Colby formula calculate (CalculatingSynergisticandAntagonisticResponsesofHerbicid eCombination ", Colby, S.R.; Weeds15,20-22,1967):
X=is when using preventive effect during active component A with the amount of application of mppm, being expressed as the percentage ratio of untreated control group;
Y=is when using preventive effect during active component B with the amount of application of nppm, being expressed as the percentage ratio of untreated control group;
E=is when using preventive effect when active component A and B with the amount of application of m and nppm, being expressed as the percentage ratio of untreated control group.
If the preventive effect of reality is higher than value of calculation, then the preventive effect of conjugate has superadditivity, namely there is synergy. In this case, the preventive effect actually observed must exceed the expection preventive effect (E) adopting above formula to calculate. That is, if it is observed that activity more than from the intended activity of Colby formula, then there is synergy.
1, rice blast controlling experiment
Controlling disease: rice blast (Pyriculariagrisea)
Test plant: rice seedling
The various medicaments of concentration described in table 1 are prepared respectively with the deionized water containing 5% calcium dodecyl benzene sulfonate. The rice seedlings of 2-3 week old is transplanted in the pallet of length, width and height respectively 100cm �� 100cm �� 20cm, cellar culture. When rice seedlings length to 6-8 leaf period, pharmaceutical agent combinations and concentration thereof set by table 1 carry out spraying process, if clear water comparison. Wherein each concentration is a process, and each process is repeated 3 times, and each repetition spray amount of each process is consistent. Spraying is dried after processing naturally, and about 24h inoculates, and inoculation is placed on temperature 20-25 DEG C, the cultivation of humidity 80-90% environment. After one week, when clear water comparison is fully fallen ill, investigating each process prevention effect, result is in Table 1. Wherein " observation killing rate " is the actual killing rate observed, " theoretical killing rate " is for using the calculated killing rate of Colby formula.
Wherein, disease survey grade scale is:
0 grade: anosis;
1 grade: lesion area accounts for less than the 5% of one-piece blade area;
3 grades: lesion area accounts for the 6% ~ 15% of one-piece blade area;
5 grades: lesion area accounts for the 16% ~ 25% of one-piece blade area;
7 grades: lesion area accounts for the 26% ~ 50% of one-piece blade area;
9 grades: lesion area accounts for more than the 50% of one-piece blade area.
Preventive effect computational methods are:
By table 1 result it can be seen that pyraclostrobin and chitin composite after, in the scope of 10000:1 to 1:10000, rice blast is had potentiation.
2, cotton verticillium wilt controlling experiment
Controlling disease: cotton verticillium wilt (Dahlia Pinnata Cav. wheel branch spore (Verticilliumdahlia))
Test plant: Cotton Gossypii
The various medicaments of concentration described in table 2 are prepared respectively with the deionized water containing 5% calcium dodecyl benzene sulfonate. Choosing the cotton seedling of 3-5 leaf period, pharmaceutical agent combinations and concentration thereof set by table 2 carry out spraying process, if clear water comparison. Wherein each concentration is a process, and each process is repeated 3 times, and each repetition spray amount of each process is consistent. Spraying is dried after processing naturally, and about 24h inoculates, and inoculation is placed on temperature 20-25 DEG C, the cultivation of humidity 80-90% environment. After one week, when clear water comparison is fully fallen ill, investigating each process prevention effect (investigation classification and preventive effect computational methods are same as described above), result is in Table 2. Wherein " observation killing rate " is the actual killing rate observed, " theoretical killing rate " is for using the calculated killing rate of Colby formula.
By table 2 result it can be seen that pyraclostrobin and chitosan composite after, in the scope of 10000:1 to 1:10000, cotton verticillium wilt is had potentiation.
3, gray mold of cucumber controlling experiment
Controlling disease: gray mold of cucumber (Botrytis cinerea (Botrytiscinerea))
Test plant: Fructus Cucumidis sativi
The various medicaments of concentration described in table 3 are prepared respectively with the deionized water containing 5% calcium dodecyl benzene sulfonate. Choosing the cucumber seedling of 6-8 leaf period, pharmaceutical agent combinations and concentration thereof set by table 3 carry out spraying process, if clear water comparison. Wherein each concentration is a process, and each process is repeated 3 times, and each repetition spray amount of each process is consistent. Spraying is dried after processing naturally, and about 24h inoculates, and inoculation is placed on temperature 20-25 DEG C, the cultivation of humidity 80-90% environment. After one week, when clear water comparison is fully fallen ill, investigating each process prevention effect (investigation classification and preventive effect computational methods are same as described above), result is in Table 3. Wherein " observation killing rate " is the actual killing rate observed, " theoretical killing rate " is for using the calculated killing rate of Colby formula.
By table 3 result it can be seen that pyraclostrobin and chitosan composite after, in the scope of 10000:1 to 1:10000, gray mold of cucumber is had potentiation.
4, Tomato gray leaf spot controlling experiment
Controlling disease: Tomato gray leaf spot (Stemphyliumsolani)
Test plant: Fructus Lycopersici esculenti
The various medicaments of concentration described in table 4 are prepared respectively with the deionized water containing 5% calcium dodecyl benzene sulfonate. Choosing the tomato seedling of 6-8 leaf period, pharmaceutical agent combinations and concentration thereof set by table 4 carry out spraying process, if clear water comparison. Wherein each concentration is a process, and each process is repeated 3 times, and each repetition spray amount of each process is consistent. Spraying is dried after processing naturally, and about 24h inoculates, and inoculation is placed on temperature 20-25 DEG C, the cultivation of humidity 80-90% environment. After one week, when clear water comparison is fully fallen ill, investigating each process prevention effect (investigation classification and preventive effect computational methods are same as described above), result is in Table 4. Wherein " observation killing rate " is the actual killing rate observed, " theoretical killing rate " is for using the calculated killing rate of Colby formula.
By table 4 result it can be seen that pyraclostrobin and chitin composite after, in the scope of 10000:1 to 1:10000, Tomato gray leaf spot is had potentiation.
5, plant health test is improved
The chemicals needing test is coated in process wheat seed with liquid, slowly applies on seed, obtain maximum distribution. Seed after process notes ventilating and dry. Compound is used with the rate of application in following table. Processing and after dry seed, by seed with conventional amount at the field sowing prepared. The number of dead plants is measured at after planting 71 days.
By table 5 fruit it can be seen that pyraclostrobin and chitin composite after, in the scope of 10000:1 to 1:10000, to improving, plant health has potentiation.
6, plant health test is improved
The chemicals needing test is coated in process corn seed with liquid, slowly applies on seed, obtain maximum distribution. Seed after process notes ventilating and dry. Compound is used with the rate of application in following table. Processing and after dry seed, by seed with conventional amount at the field sowing prepared. The number of dead plants is measured at after planting 65 days.
By table 6 fruit it can be seen that pyraclostrobin and chitosan composite after, in the scope of 10000:1 to 1:10000, to improving, plant health has potentiation.
In above-described embodiment, the weight average molecular weight of chitin used is about 2,000-300, and 000; The weight average molecular weight of chitosan used is about 2,000-300, and 000, the deacetylation of described chitosan is about 90%.
Active ingredient compositions or the composition pesticide of the present invention are described already by specific embodiment. But examples detailed above is only being explained further the present invention, is not limitation of the invention, by the scheme simply adjusted by such scheme and then obtain, it does not have depart from the spirit of the present invention, be regarded as being included within the scope of the present invention.
Claims (19)
1. an active ingredient compositions, it is characterized in that, described active ingredient compositions contains pyraclostrobin and chitinous compound, described chitinous compound is chitin or chitosan, and the weight ratio of described pyraclostrobin and chitin or chitosan is 10000:1 to 1:10000.
2. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 5000:1 to 1:5000.
3. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 2500:1 to 1:2500.
4. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 1000:1 to 1:1000.
5. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 500:1 to 1:500.
6. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 250:1 to 1:250.
7. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 100:1 to 1:100.
8. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 50:1 to 1:50.
9. active ingredient compositions according to claim 1, it is characterised in that the weight ratio of described pyraclostrobin and chitin or chitosan is 10:1 to 1:10.
10. the active ingredient compositions according to claim 1-9, it is characterised in that the weight average molecular weight of described chitin is 2,000-300,000, it is preferable that 5,000-100,000, more preferably 5,000-50,000; The weight average molecular weight of chitosan is 2,000-300,000, it is preferable that 4,000-80,000, more preferably 4,000-40,000, and the deacetylation of described chitosan is more than 50%, it is preferable that more than 80%, more preferably greater than 90%.
11. a composition pesticide, it is characterised in that described compositions comprises the active ingredient compositions described in claim 1, and agriculturally acceptable auxiliary agent and/or carrier.
12. composition pesticide according to claim 11, it is characterised in that described active ingredient compositions weight content in described composition pesticide is 1wt.% to 90wt.%.
13. composition pesticide according to claim 11, it is characterised in that described active ingredient compositions weight content in described composition pesticide is 5wt.% to 60wt.%.
14. composition pesticide according to claim 11, it is characterised in that described active ingredient compositions weight content in described composition pesticide is 10wt.% to 50wt.%.
15. composition pesticide according to claim 11, it is characterised in that described composition pesticide dosage form is cream, suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules, microcapsule suspending agent, suspension emulsion.
16. the active ingredient compositions described in claim 1 or the purposes in preventing and treating plant pathogenic fungi of the composition pesticide described in claim 11.
17. the purposes that the active ingredient compositions described in claim 1 or the composition pesticide described in claim 11 are in improving plant health.
18. one kind is prevented and treated plant pathogenic fungi and/or the method improving plant health, it is characterized in that, the active ingredient compositions described in claim 1 or the composition pesticide described in claim 11 act on the seed of target useful plant, target pathogenic epiphyte or its environment, target useful plant.
19. method according to claim 18, it is characterised in that the seed that expection grows target plant prior to seeding and/or processes with the active ingredient compositions described in claim 1 or the composition pesticide described in claim 11 after accelerating germination.
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