CN100544595C - The microbicide compositions that is used for preventing and controlling green smut of rice - Google Patents
The microbicide compositions that is used for preventing and controlling green smut of rice Download PDFInfo
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- CN100544595C CN100544595C CNB2007100206165A CN200710020616A CN100544595C CN 100544595 C CN100544595 C CN 100544595C CN B2007100206165 A CNB2007100206165 A CN B2007100206165A CN 200710020616 A CN200710020616 A CN 200710020616A CN 100544595 C CN100544595 C CN 100544595C
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
Abstract
The present invention relates to a kind of microbicide compositions with synergistic function, said composition goes up acceptable insecticides adjuvant by two kinds of active substances and agricultural and forms, wherein, component a is a fluorine ring azoles, and components b is Prochloraz (or its acceptable metal salt compound on agricultural).In active component, the weight ratio of fluorine ring azoles and Prochloraz is 0.03～65, is preferably 0.05～55.This microbicide compositions can the preventing and controlling green smut of rice germ.Carry out composite composition by component a is divided with group b, have positive effect for aspects such as delaying fungus resistant, raising control efficiency, and show extremely strong bactericidal activity.Evidence composition of the present invention have use cost low, to characteristics such as plant and environment be safe in utilization.
Description
Technical field
The present invention relates to a kind of microbicide compositions with synergistic function, this microbicide compositions energy preventing and controlling green smut of rice germ has protection and therapeutic action to crop, shows extremely strong antibiotic and bactericidal activity.The invention belongs to the agriculture plant protection field.This microbicide compositions is different from existing other bactericide.
Technical background
False smut claims green smut again, usually in, take place on the late rice, on hybrid rice, grain quality rice, take place more general, this disease main harm fringe portion, reached at the 10%-20% that the underproduction is serious.Along with the raising of paddy rice plantation japonica riceization and nitrogen application level, false smut rises to main disease gradually by less important disease.False smut not only influences output, and its germ is a kind of containing people, animal, the poisonous material and the pigment C9H6O7 that causes a disease of fowl.For this type of disease, using chemical agent is the most effective at present means.Normally used medicament is conventional dose such as thiophanate methyl, jinggangmeisu, triazolone, carbendazim, because just beginning large tracts of land the seventies from eighties of last century, promote these medicaments, long-term use kind of high dose ground continuously or the single chemical bactericide of the mode of action influence problems such as residual, the environmental pollution of medicament and the development of pesticide resistance fungi easily.Discovered that according to Zhenjiang, the Jiangsu institute of agricultural sciences riverine regional rice green smut bacterium on average increases 2-3 doubly to the resistance of carbendazim nineteen ninety-five of comparing in 2003, the consequence of bringing thus then is to strengthen formulation rate, increase unfavorable factors such as application times, preventive effect reduction.Fluorine ring azoles and Prochloraz all are very effective bactericide in the agricultural production.Fluorine ring azoles is a kind of novel fluorine-containing bactericide of important triazole type, not only has good protection, treats and roots out activity, and have preferable systemic activity, can be absorbed by plant rapidly and conducts to susceptible position, disease is infected immediately stop.Because this compound imports fluorine ion, thus extra high bactericidal activity had for rice green smut, but because fluorine ring azoles cost is higher, is difficult to large tracts of land and promotes.Prochloraz is a broad-spectrum germicide, it is the strongest active kind in the amino formyl imidazole class, has good conductive performance, the multiple diseases that Ascomycetes, Basidiomycetes, deuteromycetes etc. are caused has reasonable effect, for rice green smut reasonable preventive effect is arranged also, and moderate, be easy to promote, but chronic administration, the fungus resistant problem also becomes increasingly conspicuous.For this type of problem.Present normally used method is that the mixture that filters out the compound of different activities is prevented and treated harmful fungoid.But produce by the method delaying drug resistance, reduce amount of application, improve control efficiency, reduce the control cost.
Summary of the invention
Purpose of the present invention: at above-mentioned weak point, by fluorine ring azoles, Prochloraz two kinds of effective active compositions such as (or its agricultural go up acceptable metal salt compound) are made up, and be aided with insecticides adjuvant, a kind of microbicide compositions that has synergistic function for control rice green smut germ is provided.Result of the test shows that composition synergistic effect of the present invention is obvious, has reduced formulation rate simultaneously, has reduced spraying times, and does not have cross resistance between fluorine ring azoles and the Prochloraz.
Prochloraz (english common name Prochloraz), chemical name (formula I): N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-imidazoles-1-formamide
The metal ion that is suitable for Prochloraz metal salt compound of the present invention can be selected in the periodic table of elements first to second excessive family element, the especially manganese, iron, zinc, copper; The ion that also has second major element, especially calcium and magnesium; And third and fourth major element, especially aluminium ion.If suitable, metal ion can exist with the various chemical valences that they may present.For example, select the salt compounds (suc as formula II) of metal ion manganese, that is, and N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1-H-imidazoles-1-formamide-manganese chloride.
Fluorine ring azoles (english common name carbendazim), chemical name (formula III): N-(2-benzimidazole base) methyl carbamate
Concrete scheme of the present invention is: a kind of binary microbicide compositions of preventing and treating the rice green smut germ, be made up of following component: fluorine ring azoles and Prochloraz (or agricultural goes up acceptable its metal salt compound) and the conventional auxiliary agent of agricultural chemicals are formed.
Be suitable for wherein a kind of such as the preferred prochloraz-manganese chloride complex of Prochloraz metal salt compound of the present invention, prochloraz zinc salt, prochloraz nantokite.
Bactericidal composition of the present invention comprises the active component (preferred 8-85 weight %) of 5-88 weight fraction, and acceptable assistant is formed in the agriculture field of 95-12 weight fraction.
In the composition of the present invention, Prochloraz and fluorine ring azoles weight ratio are 0.05～50, are preferably 0.08～45.
Mixture of the present invention uses with the form of composition, uses with usual auxiliaries such as other carriers, surfactants usually during use.
Suitable additive and carrier can be solid or liquid, and they are material commonly used in the formulation process normally, mineral matter for example natural or regeneration, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The method for optimizing of using the present composition comprises the acrial part that composition of the present invention is used for plant growing, particularly leaf portion (foliage applying).Frequency of utilization and amount of application depend on the biology and the weather life condition of pathogene.
Composition of the present invention can use with constant form, perhaps preferably in configuration technology normally used additive use, so these compounds can be configured in known manner, for example make wetting powder, suspending agent, water dispersible granules.According to the character that these compositions had, can select as spraying, atomizing according to the purpose that will reach and ambient conditions, broadcast sowing, bold and vigorous application process of watering etc. and so on.
Composition as solid form, having of can mentioning is following several: (content of its active component is generally than higher for water dispersible granules, usually between 50%-90%), normally prepared by the agglomeration of wettable powder type composition in suitable granular system, make this formulation.
Wetting powder is general to be prepared with such method, promptly so that its active component that contains 20-95% be as the criterion, except that solid carrier, they generally contain the wetting agent of 0-7%, the dispersant of 3-10% in case of necessity, contains one or more other the additive of 0-10% again.As dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Suspending agent is to prepare with following method, promptly be as the criterion not form sedimental stable fluid, they generally contain the active component of 10-85%, the surfactant of 0.5-45%, the additive that 0-10% is suitable such as dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent and bleeding agent and adhesive etc., carrier can be water or organic liquid, active component indissoluble or water fast can be dissolved in some solid organic matter or mineral salt in the liquid so that help sediments to form or as the antifreezing agent of water.
Composition active ingredient amount of application of the present invention is 70-600 gram/hectare normally, preferred 80-650 gram/hectare.
Available known method prepares various formulations: for example with active ingredient and filler, as solvent, solid carrier, can evenly mix, grind with surfactant when needing.
The solvent that is suitable for inventing is alternative to be had: aromatic hydrocarbon, preferably contain 8-12 carbon atom, as the benzene of xylene mixture or replacement, phthalate is sad as Dibutyl phthalate or phthalandione two, fat hydrocarbon, as cyclohexane or paraffin, pure and mild ethylene glycol and their ether and ester are as ethanol, ethylene glycol, the glycol monomethyl methyl; Ketone, as cyclohexanone, the solvent of strong polarity, as the N-N-methyl-2-2-pyrrolidone N-, dimethyl sulfoxide (DMSO) or dimethyl formamide and vegetable oil or vegetable oil are as soybean oil.
Be suitable for solid carrier of the present invention, but as be used for the normally natural minerals filler of pulvis and dispersant, for example talcum, kaolin, montmorillonite or atlapulgite.For the managing physical performance also can add polymolecularity silicic acid or polymolecularity adsorpting polymerization thing.Suitable granular absorption carrier is a porous type, as float stone, bentonite or bentonite; Suitable non-absorption carrier is for example calcite or sand.In addition, can use being prefabricated into of a large amount of inorganic in nature or organic character granular material, particularly dolomite.
The chemical property of two components according to the present invention, suitable surfactant is a lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, the alkali metal salt of dibutyl naphthalene sulfonic acids, alkali salt and amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, the condensation product that also has sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylation isooctylphenol, octyl phenol, nonyl phenol, alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, ethoxylated castor oil, polyoxyethylene alkyl ether, the ethylene oxide condensation product, the ethoxylation polyoxypropylene, lauric acid polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
Can use in the composition of the present invention, when using two components jointly, the effect of stack (equaling synergy) occur.The specific activity of this composition is used the activity expection summation of individualized compound, and the independent activity of individualized compound is more remarkable.Synergistic effect allow to show as amount of application minimizing, action effect instant effect, more lasting control efficiency, by only once or minority use several times can better the controlling plant harmful fungoid.
Other characteristics that show of bactericidal composition of the present invention mainly show as: 1, composition lasting effect of the present invention is long, dispenser once in fringe phase paddy rice beginning (disease take place serious can spray medicine more once at full heading time), can effectively control the generation of false smut, reduce the medication number of times and saved labour costs; 2,, use some other medicament (as, triazolone) control this period because rice green smut occurs in booting or pustulation period, may directly have influence on the quality of paddy rice, and composition of the present invention is owing to its preventive effect height, utilization rate of active components height, residual little, improved the quality of rice greatly.
Following embodiment and unrestricted the present invention, and be used for just illustrating how the present invention realizes in actual applications.
Embodiment
One, formulation prepares embodiment
1, water dispersible granules
Prochloraz 30.0 weight portions
Fluorine ring azoles 10.0 weight portions
Polyvinyl alcohol 5.0 weight portions
Sodium Laurylsulfate 7.0 weight portions
Lignosulfonates 11.0 weight portions
Kaolin 47.0 weight portions
2, suspending agent
Prochloraz 37.0 weight portions
Fluorine ring azoles 8.0 weight portions
Propane diols 3.0 weight portions
Lignosulfonates 10.0 weight portions
Sodium Polyacrylate 5.0 weight portions
Octyl phenol polyglycol ether (11-14 moles of ethylene oxide) 5.0 weight portions
Water 32.0 weight portions
The active ingredient of grinding is very carefully thoroughly mixed with auxiliary agent, and the suspending agent dilutable water that obtains becomes any suspension that needs concentration.Such dilution can be by spraying, and sprinkles to water or dipping method is used to handle growing plants and seed, protects them to avoid microbial infection.
3, wetting powder
Prochloraz nantokite 9 weight portions
Fluorine ring azoles 46 weight portions
Alkyl polyoxy ethyl ether sulfonate 5 weight portions
Sodium lignin sulfonate 4 weight portions
NONIN HS 240 (8-9 moles of ethylene oxide) 3 weight portions
Kaolin soil 33 weight portions
Active ingredient is thoroughly mixed with auxiliary agent, and it is thoroughly ground in suitable mill, and the wetting powder dilutable water that obtains becomes to need the suspension of concentration.
Two, Application Example
4, indoor biological activity determination the present invention is to the co-toxicity coefficient of rice green smut bacterium
Test method: utilize embodiment 4, embodiment 5 to adopt mycelia dry weight method to measure the inhibition vigor of medicament to the rice false smut mycelial growth.
Move into the pre-bacterium sheet (diameter 6mm) of colony edge of cultivating 7 days rice false smut on PDA in each triangular flask, the triangular flask that moves behind the bacterium was cultivated 12 days under 27 ℃, 140rhm/min condition.Leach mycelia with drying the filter paper of weighing, dry mycelia down to constant weight, on 1/10000 gram balance, take by weighing the mycelia dry weight at 50 ℃.Compare with the mycelia dry weight of control treatment, calculate the antibacterial percentage of each concentration of treatment.Each concentration is handled and is repeated 5 times.
Calculate the antibacterial vigor regression equation of each concentration and press down (%) with concentration logarithm-bacteriostasis rate probit value method.Calculate the toxicity regression formula and the EC of reagent agent with the probit value method
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient.The result shows two mixture co-toxicity coefficients all obviously greater than 100, represents that this mixture has obvious synergistic effect to rice green smut.Result of the test sees Table 1.
Table 1: prochloraz-manganese chloride complex and the composite sample of fluorine ring azoles are to the co-toxicity coefficient of rice green smut germ
| Pharmacopoeia | The toxicity regression formula | EC 50(ug/ml) | Co-toxicity coefficient |
| Prochloraz-manganese chloride complex | Y＝2.36541+1.35452X | 0.983992 | |
| Fluorine ring azoles | Y＝1.52142+0.30214X | 1.057527 | |
| Embodiment 4 (45% suspending agent) | Y＝2.85624+1.54724X | 0.775484 | 131.3772 |
| Embodiment 5 (55% wetting powder) | Y＝0.80259+1.98562X | 0.492584 | 146.6838 |
5, utilize embodiment 3 control rice green smut field control effectiveness tests
Test is carried out Yancheng City Chuan Dong farm rice transplanting Tanaka, and rice varieties is salt rice No. 9.Every sub-district area is 115m
2, randomized arrangement repeats four times.In paddy rice booting initial stage dispenser, little machine complete stool spraying is till spray value is dripped with rice leaf and rice bar.Institute an inquiry preventive effect after 21 days, diseased plant rate, relative control effect are calculated in classification.Result of the test sees Table 2
The field control effectiveness test of 3 pairs of rice green smuts of table 2. embodiment
Claims (5)
1, a kind of microbicide compositions of preventing and treating the rice green smut bacterium, it is characterized in that described composition goes up acceptable insecticides adjuvant by two kinds of active components and agricultural and form, wherein active component a is that Prochloraz or agricultural go up acceptable metal salt compound, active component b is a fluorine ring azoles, and the weight ratio between two components is 0.05-50.
2, composition according to claim 1 is characterized in that described composition is made up of the active component of 8～85% weight portions and the insecticides adjuvant of 92～15% weight portions.
3, composition according to claim 1 is characterized in that described Prochloraz metal salt compound is selected from prochloraz-manganese chloride complex, prochloraz zinc salt or prochloraz nantokite a kind of compound wherein.
4,, it is characterized in that described composition active ingredient amount of application is a 70-600 gram/hectare according to the application of claim 1 composition.
5,, it is characterized in that described composition is used for the fungal disease that control is caused by rice green smut bacterium (Ustilaginoidea virens) according to the application of claim 1 composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100206165A CN100544595C (en) | 2007-03-15 | 2007-03-15 | The microbicide compositions that is used for preventing and controlling green smut of rice |
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| CNB2007100206165A CN100544595C (en) | 2007-03-15 | 2007-03-15 | The microbicide compositions that is used for preventing and controlling green smut of rice |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101524070B (en) * | 2009-01-16 | 2012-05-23 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition containing Cyazofamid and Epoxiconazole |
| CN101779676B (en) * | 2009-12-16 | 2012-07-04 | 福建新农大正生物工程有限公司 | Sterilization composition containing epoxiconazole |
| JP5940369B2 (en) * | 2011-05-27 | 2016-06-29 | 石原産業株式会社 | How to control plant diseases |
| CN102823609B (en) * | 2012-09-03 | 2013-12-11 | 江苏辉丰农化股份有限公司 | Purpose of sterilization agent composition for preventing and treating rice diseases |
| CN102805096A (en) * | 2012-09-03 | 2012-12-05 | 江苏辉丰农化股份有限公司 | Fungicide composition for effectively preventing wheat fungi |
| CN102823611A (en) * | 2012-09-22 | 2012-12-19 | 江苏丘陵地区镇江农业科学研究所 | Compound bactericide for preventing and controlling strawberry anthracnose and application thereof |
| CN103073349A (en) * | 2012-12-29 | 2013-05-01 | 广东中迅农科股份有限公司 | Drug fertilizer granules for preventing rice damping-off and preparation method thereof |
| CN104920424A (en) * | 2015-06-17 | 2015-09-23 | 陈祺 | Rice disease prevention and treatment method |
| CN115624032A (en) * | 2022-07-12 | 2023-01-20 | 江苏剑牌农化股份有限公司 | Preparation method of prochloraz-epoxiconazole water emulsion |
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Address after: 224100 Yancheng City, Dafeng, Jiangsu, king of southern Gangzha Patentee after: JIANGSU HUIFENG BIO AGRICULTURE Co.,Ltd. Address before: 224173, Jiangsu, Dafeng City, new Fengzhen Long embankment South Street Patentee before: JIANGSU HUIFENG AGROCHEMICAL Co.,Ltd. |
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Effective date of registration: 20210425 Address after: 224100 south of Wei'er road and jing'er Road, Biotechnology Park, Port Economic Zone, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Andao maihuifeng (Jiangsu) Co.,Ltd. Address before: 224100 Yancheng City, Dafeng, Jiangsu, king of southern Gangzha Patentee before: JIANGSU HUIFENG BIO AGRICULTURE Co.,Ltd. |