WO2014032362A1 - Utilisation d'une composition fongicide à des fins de prévention des maladies du riz - Google Patents

Utilisation d'une composition fongicide à des fins de prévention des maladies du riz Download PDF

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Publication number
WO2014032362A1
WO2014032362A1 PCT/CN2012/084372 CN2012084372W WO2014032362A1 WO 2014032362 A1 WO2014032362 A1 WO 2014032362A1 CN 2012084372 W CN2012084372 W CN 2012084372W WO 2014032362 A1 WO2014032362 A1 WO 2014032362A1
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WO
WIPO (PCT)
Prior art keywords
prochloraz
epoxiconazole
rice
salt
use according
Prior art date
Application number
PCT/CN2012/084372
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English (en)
Chinese (zh)
Inventor
仲汉根
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江苏辉丰农化股份有限公司
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Publication of WO2014032362A1 publication Critical patent/WO2014032362A1/fr

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Classifications

    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism

Definitions

  • the invention relates to the use of a synergistic fungicide composition for controlling rice blast, rice sheath blight and rice husk, which has protective and therapeutic effects on crops and exhibits strong antibacterial activity. And bactericidal activity.
  • the invention belongs to the field of agricultural plant protection.
  • Rice blast, rice sheath blight and rice husk are common diseases in rice. These diseases have become the main diseases that restrict rice growth and harvest.
  • the commonly used agents for these diseases are methyl thiophanate, oxytetracycline and Conventional pharmaceuticals such as oxazolone and carbendazim, since these agents have been widely promoted since the 1970s, long-term continuous high-dose use of chemical germicides with a variety or a single mode of action easily affects drug residues, environmental pollution, and Problems such as the development of drug-resistant fungi. Both epoxiconazole and prochloraz are very effective fungicides for agricultural production.
  • Fluconazole is a new type of important triazole-based fluorocide, which not only has good protection, treatment and eradication activity, but also has better systemic activity, which can be quickly absorbed by plants and transmitted to susceptible parts. The disease infestation stops immediately. Since the compound introduces fluoride ions, it has a particularly bactericidal activity against rice fungal diseases, but since the cost of fluoxazole is high, it is difficult to promote it in a large area.
  • Prochloraz is a broad-spectrum fungicide and is the most active of the carbamyl imidazoles. It has good conductivity and is comparable to various diseases caused by ascomycetes, basidiomycetes, and deuteromycetes.
  • the good effect is also good for rice fungal diseases, and the price is moderate, easy to promote, but long-term application, the problem of fungal resistance is also increasingly prominent.
  • the currently commonly used method is to screen out mixtures of compounds of different activities to control harmful fungi.
  • 3 ⁇ 4 sexual production can be delayed, the application amount can be reduced, the control effect can be improved, and the prevention cost can be reduced.
  • OBJECTS OF THE INVENTION In view of the above-mentioned deficiencies, by combining two effective active ingredients such as epoxiconazole and guanidine (or an agriculturally acceptable metal salt compound thereof) and supplemented with agrochemical adjuvants, A fungicide composition having synergistic effect on controlling rice fungal pathogens.
  • the test results show that the synergistic effect of the composition of the present invention is obvious, and the application amount is reduced, the number of application is reduced, and there is no cross-resistance between epoxiconazole and prochloraz.
  • Prochloraz (English name Prochloraz), chemical name (formula I): propyl -N-[2-
  • the metal ion of the prochloraz metal salt compound suitable for the present invention may be selected from the first to second exogenous elements of the periodic table, particularly manganese, iron, zinc, copper; and the second main group element, especially Calcium and magnesium ions; and third and fourth main elements, especially aluminum ions.
  • Metal ions may, if appropriate, be present at various valences that they may present.
  • a salt compound of metal ion manganese such as hydrazine
  • gp N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]-1-H-imidazole is selected.
  • 1-carboxamide-manganese chloride is selected from the first to second exogenous elements of the periodic table, particularly manganese, iron, zinc, copper; and the second main group element, especially Calcium and magnesium ions; and third and fourth main elements, especially aluminum ions.
  • Metal ions may, if appropriate, be present at various valences that they may present.
  • Fluodiconazole (English name: epoxiconazole), chemical name (formula III) (2RS, 3RS)-l-[3-(2-chlorophenyl)-2,3-epoxy-2-(4-fluorophenyl) )propyl] -1 hydrogen-1,2,4-triazole.
  • a specific embodiment of the present invention is: a fungicide composition for controlling a fungal disease of rice, comprising the following components: epoxiconazole and prochloraz (or an agriculturally acceptable metal salt thereof) and a conventional pesticide Auxiliary composition.
  • the prochloraz metal salt compound suitable for the present invention is preferably one of a prochloraz manganese salt, a prolamamine zinc salt, and a prochloraz copper salt.
  • the weight ratio of prochloraz to epoxiconazole is 1:50 to 50:1, preferably 1:30 to 30:1.
  • the mixtures of the present invention are used in the form of compositions which are usually applied together with other adjuvants such as other carriers, surfactants and the like.
  • Suitable additives and carriers may be solid or liquid, they are usually materials commonly used in the processing of dosage forms, such as natural or regenerated minerals, solvents, dispersants, wetting agents, adhesives, thickeners, binders or fertilizer.
  • a preferred method of applying the compositions of the present invention comprises applying the compositions of the present invention to aerial parts of plants for growth, particularly foliage (foliar application).
  • the frequency of use and the amount applied will depend on the biological and climatic conditions of the pathogen.
  • compositions of the present invention can be used in a constant form, or preferably together with additives commonly used in the configuration process, so that these compounds can be formulated in a known manner, for example, as wettable powders, suspending agents, water. Dispersing granules.
  • application methods such as spraying, misting, spreading, pouring, and the like can be selected depending on the intended purpose and environmental conditions.
  • composition in solid form the following may be mentioned: Water-dispersible granules (the content of which is generally relatively high, usually between 50% and 90%), usually by a wettable powder type composition
  • the dosage form is prepared by agglomeration in a suitable particle system.
  • Wettable powders are generally prepared by the method of containing the active ingredients, in addition to the solid carrier, they generally contain 0-7% wetting agent, 3-10% dispersing agent, and if necessary, further 0-10% of one or more other additives. Such as dyes, colorants, penetrants, adhesives or anti-caking agents.
  • Suspending agents are prepared by the method of obtaining a stable fluid which does not form deposits, which generally contain 10-85% active ingredient, 0.5-45% surfactant, 0-10% appropriate Additives such as dyes, colorants, anti-foaming agents, corrosion inhibitors, stabilizers and penetrants, and binders, the carrier may be water or an organic liquid, the active ingredient is poorly soluble or insoluble in water, and certain solids may be The organic or inorganic salt is dissolved in the liquid to aid in the formation of deposits or as an antifreeze to water.
  • Additives such as dyes, colorants, anti-foaming agents, corrosion inhibitors, stabilizers and penetrants, and binders
  • the carrier may be water or an organic liquid
  • the active ingredient is poorly soluble or insoluble in water
  • certain solids may be The organic or inorganic salt is dissolved in the liquid to aid in the formation of deposits or as an antifreeze to water.
  • отное отное отное отное отное отное отное о ⁇ оло ⁇ о ⁇ е о ⁇ оло ⁇ о ⁇ е ком ⁇ ионент ⁇ ком ⁇ онент ⁇ ⁇ ⁇ ⁇ т ⁇ ⁇ ⁇ олово ⁇ о ⁇ олово ⁇ е ком ⁇ ии ⁇ ⁇ о ⁇ олово ⁇ е ком ⁇ ии ком, таком, ⁇ еским ком или ⁇ еским ком или ⁇ ел ⁇ ел ⁇ ел ⁇ ел ⁇ елово ⁇ еловеловеловеление ком ⁇ елово ⁇ еловеловеловеление ком ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ елово ⁇ ел
  • Solvents suitable for the invention are: aromatic hydrocarbons, preferably having 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, fat Hydrocarbons, such as cyclohexane or paraffin, alcohols and glycols and their ethers and esters, such as ethanol, ethylene glycol, ethylene glycol monomethyl; ketones, such as cyclohexanone, highly polar solvents such as N -Methyl-2 pyrrolidone, dimethyl sulfoxide or dimethylformamide, and vegetable or vegetable oils such as soybean oil.
  • aromatic hydrocarbons preferably having 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid
  • fat Hydrocarbons such as cyclohexane or paraffin
  • Solid carriers suitable for the present invention are typically natural mineral fillers such as talc, kaolin, montmorillonite or activated clay. Highly dispersible silicic acid or highly dispersible adsorbent polymers can also be added for the management of physical properties.
  • Suitable particulate adsorbent supports are porous, such as pumice, bentonite or bentonite; suitable non-adsorbing supports are, for example, calcite or sand.
  • a large amount of pre-granulated materials of inorganic or organic nature, in particular dolomite can be used.
  • suitable surfactants are alkali metal salts of ligninsulfonic acid, naphthalenesulfonic acid, phenolsulfonic acid, dibutylnaphthalenesulfonic acid, alkaline earth metal salts and amine salts, alkyl aromatic Sulfonates, alkyl sulfates, mercaptosulfonates, mercaptosulfonates, fatty alcohol sulfates, fatty acids and sulfated fatty alcohol glycol ethers, as well as sulfonated naphthalene and naphthalene derivatives and formaldehyde Condensate, condensate of naphthalene or naphthalenesulfonic acid with phenol and formaldehyde, polyoxyethylene octylphenyl ether, ethoxylated isooctylphenol, octylphenol, non
  • composition of the present invention when two components are co-administered, an effect of superposition (equal to synergy) occurs.
  • the activity of this composition is more significant than the expected expected activity of a single compound, as well as the individual activity of a single compound.
  • the synergistic effect allows for a reduction in the application rate, a quick effect on the effect, and a more durable control effect, which can better control the harmful fungi of the plant by only one or a few applications.
  • the other characteristics exhibited by the bactericidal composition of the present invention are mainly as follows: 1. Since the chemical composition of the two single agents of the present composition is very different, there is no cross-resistance, and the anti-resistance generated by the two single agents can be delayed. sexual problems; 2. The composition of the invention is safe and effective against crops. It has been proved by experiments that the bactericidal composition of the invention has stable chemical properties and remarkable synergistic effect, and exhibits obvious synergistic effect and complementary effect on the control object; 3. The dosage is reduced, thereby reducing the cost and reducing the environmental pollution. In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative of the invention, and are not to be construed as limiting the invention, any modifications, equivalents, Within the scope of protection of the present invention.
  • the active ingredients a and b, the solvent and the auxiliary agent are uniformly mixed under mechanical stirring, then the emulsifier and the stabilizer are uniformly stirred, and finally water is added, and the mixture is stirred at 10 to 30,000 rpm for 10-30 to make it Become a homogeneous milky product.
  • Example 1 30% prochloraz fluorocyclazole water emulsion
  • Example 1 the present example can also be prepared by substituting prochlorazin, prochlorazin or prodamine zinc salt for prochloraz.
  • Example 2 this example can also be prepared by substituting prochloraz, a prochlorazinium salt, or a prolamamine zinc salt for prochloraz.
  • the active ingredients a and b, the dispersing agent, the wetting agent, the thickening, the water and the like are uniformly mixed according to the formula, and after the sanding and/or high-speed shearing, the semi-finished product is obtained, and the water is uniformly mixed after the analysis. Filter to get the finished product.
  • Example 3 this example can also be prepared by replacing prochlorazinyl salt with prochloraz, prochloraz, and glycerin salt.
  • Example 4 this example can also be prepared by substituting prochloraz, prochloraz, and prochlorazin in place of prochlorazin.
  • the active ingredients 3 and 1), the auxiliary agent and the filler are uniformly mixed according to the formula, and are pulverized into a wettable powder by a jet stream, and then added with a certain amount of water to be mixed and extruded, and then sieved to obtain a water-dispersible granule. product.
  • Example 5 75% prochloraz manganese salt ⁇ Fluconazole water dispersible granules
  • Example 5 this example can also be prepared by using prochlorazin copper salt, prochlorazin or prochloraz as a substitute for prochloraz manganese salt.
  • Example 6 80% prochloraz zinc salt ⁇ Fluconazole water dispersible granules
  • Example 6 this example can also be prepared by using prochlorazin copper salt, prochlorazin or prochloraz as a substitute for prochlorazin.
  • the active ingredient is thoroughly mixed with b, various auxiliaries and fillers, and pulverized by an ultrafine pulverizer to obtain a "hidden agent".
  • Example 7 S5% prochlorazin copper salt ⁇ Fluconazole wettable powder
  • Example 7 this example can also be prepared by replacing the prochloraz copper wire with prochloraz, prochloraz or imipenem.
  • Hungry case 8 50% prochloraz copper salt ⁇ Fluconazole wet leg
  • Example 8 this example can also be prepared by replacing the prochlorazin copper salt with prochloraz, manganese or myramine salt.
  • Example 9 55% of fresh salt and salt ⁇ epoxiconazole wettable powder
  • Prochloraz manganese salt 5%, 50% epoxiconazole, polyoxyethylene octylphenyl ether 6 0 A 7% sodium lignosulfonate, 15% silica, silicon made up to pin%.
  • Example 9 this example can also be prepared by substituting proguanamine copper salt, cilostatin or prochloraz in place of prochloraz manganese salt.
  • the control effect is converted into the probability value (y)
  • the drug concentration (ug/ml) is converted into the logarithm value (X)
  • the virulence equation is calculated by the least squares method, and the neutral concentration EC50 is suppressed.
  • the virulence index of the drug is calculated by the method of Sun Yunpei. Co-toxicity coefficient (CTC).
  • CTC Co-toxicity coefficient
  • Measured virulence index (ATI) (standard drug EC50/test drug EC50)*100
  • Theoretical virulence index (TTI) A drug virulence index * A quantity of A in the mixture + ⁇ drug virulence index * Amount of ⁇ in the mixture
  • composition appears to be synergistic.
  • the co-toxicity coefficient of the composition of the invention for rice blast disease test object 7] C rice blast fungus (taken from the field and isolated and purified)
  • Each of the 4 cells is processed, and each cell is 20 square meters.
  • the incidence of the disease was investigated 10 days after the first dose of the drug.
  • Each plot was nicknamed 5 points, and 5 rice plants were investigated at each point. The whole rice was investigated.
  • the area of lesions per leaf or leaf sheath accounted for the percentage of leaf area and graded.
  • the calculation of the condition refers to the prevention and treatment effect.
  • Anticipated effect (%) X+Y XY/100 (hence, X, ⁇ is a single-agent control)
  • the number of leaf lesions is less than 5, and the length is less than lcm;
  • Leaf lesions 6 '10, part of the lesion length is greater than 1cm
  • Treatment agent a.i.g/ disease prevention effect disease index
  • Example 9 25% 1 «Fresh amine emulsifiable concentrate 13 2.89 25 ⁇ 2 7.8

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  • Life Sciences & Earth Sciences (AREA)
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  • Wood Science & Technology (AREA)
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  • Pest Control & Pesticides (AREA)
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Abstract

La présente invention concerne l'utilisation d'une composition fongicide à des fins de prévention des maladies fongiques du riz. Ladite composition est constituée de deux substances actives et d'adjuvants pesticides acceptables d'un point de vue agricole. Le composant actif a est l'époxiconazole, le composant actif b est le prochloraz ou des composés correspondant à des sels métalliques acceptables d'un point de vue agricole de celui-ci, le rapport pondéral entre l'époxiconazole et le prochloraz variant de 0,03 à 65 et, de préférence, de 0,05 à 55. Ladite composition fongicide peut être utilisée pour prévenir de façon efficace les maladies de type piriculariose du riz, pourriture de la gaine du riz et helminthosporiose du riz. La composition obtenue par mélange du composant a et du composant b présente des effets positifs en matière d'allongement du délai d'apparition d'une résistance fongique et d'amélioration de l'effet préventif.
PCT/CN2012/084372 2012-09-03 2012-11-09 Utilisation d'une composition fongicide à des fins de prévention des maladies du riz WO2014032362A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210320407.3 2012-09-03
CN2012103204073A CN102823609B (zh) 2012-09-03 2012-09-03 杀菌剂组合物防治水稻病害的用途

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WO2014032362A1 true WO2014032362A1 (fr) 2014-03-06

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN104604920A (zh) * 2013-11-05 2015-05-13 南京华洲药业有限公司 一种含咪鲜胺铜盐和三唑类杀菌剂的杀菌组合物及其应用
CN105875627A (zh) * 2014-10-17 2016-08-24 中国农科院植保所廊坊农药中试厂 一种咪鲜胺·氟环唑微乳剂的制备方法
CN107751219A (zh) * 2016-08-15 2018-03-06 江苏辉丰农化股份有限公司 具有增效作用的杀虫剂组合物
CN114514935A (zh) * 2022-03-07 2022-05-20 安徽农业大学 一种防治烟草棒孢霉叶斑病的杀菌组合物及其应用
CN115624032A (zh) * 2022-07-12 2023-01-20 江苏剑牌农化股份有限公司 一种咪鲜胺·氟环唑水乳剂的制备方法

Citations (3)

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CN101019544A (zh) * 2007-03-15 2007-08-22 江苏辉丰农化股份有限公司 用于有效防治水稻稻曲病的杀菌剂组合物
CN102273442A (zh) * 2011-09-13 2011-12-14 广西田园生化股份有限公司 含氟环唑的超低容量液剂
WO2011154434A2 (fr) * 2010-06-09 2011-12-15 Syngenta Participations Ag Mélanges pesticides comprenant des dérivés d' isoxazoline

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* Cited by examiner, † Cited by third party
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CN102150678A (zh) * 2010-12-16 2011-08-17 陕西韦尔奇作物保护有限公司 一种含有咪鲜胺的杀菌组合物
CN102258043A (zh) * 2011-08-18 2011-11-30 陕西美邦农药有限公司 一种含丙硫菌唑的杀菌组合物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101019544A (zh) * 2007-03-15 2007-08-22 江苏辉丰农化股份有限公司 用于有效防治水稻稻曲病的杀菌剂组合物
WO2011154434A2 (fr) * 2010-06-09 2011-12-15 Syngenta Participations Ag Mélanges pesticides comprenant des dérivés d' isoxazoline
CN102273442A (zh) * 2011-09-13 2011-12-14 广西田园生化股份有限公司 含氟环唑的超低容量液剂

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