WO2012014703A1 - Sigatoka disease control method - Google Patents

Sigatoka disease control method Download PDF

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Publication number
WO2012014703A1
WO2012014703A1 PCT/JP2011/066245 JP2011066245W WO2012014703A1 WO 2012014703 A1 WO2012014703 A1 WO 2012014703A1 JP 2011066245 W JP2011066245 W JP 2011066245W WO 2012014703 A1 WO2012014703 A1 WO 2012014703A1
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WO
WIPO (PCT)
Prior art keywords
sigatoka disease
controlling
fungicide
disease according
banana
Prior art date
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PCT/JP2011/066245
Other languages
French (fr)
Japanese (ja)
Inventor
訓永 梅谷
Original Assignee
日本農薬株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本農薬株式会社 filed Critical 日本農薬株式会社
Priority to MX2013000896A priority Critical patent/MX2013000896A/en
Priority to CN201180036754.7A priority patent/CN103025160B/en
Publication of WO2012014703A1 publication Critical patent/WO2012014703A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/10Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
    • A01N47/14Di-thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/10Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/24Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof

Definitions

  • the present invention relates to a method for controlling Sigatoka disease that occurs in a Ganoderma plant, particularly a banana.
  • Plants belonging to the genus Basho, particularly bananas are a collective term for varieties of edible fruits and refer to the fruits.
  • the plant includes East Asia such as China and Taiwan, Southeast Asia such as Philippines, Indonesia, Thailand and Vietnam, West Asia such as India, Brazil, Ecuador, Costa Rica, Mexico, Guatemala, Colombia, Peru and other Central and South America, Kenya, Congo, It is mainly cultivated in Africa such as Kenya and South Africa. Plantation is also cultivated throughout the year. Bananas grown and harvested in these countries are exported worldwide.
  • the root part including the stem part is in the basement, and the part like a stalk that extends high above the ground part is called a fake stalk.
  • a long oval leaf (leaf blade) extends greatly from the tip, and a fruit axis comes out from the tip of the pseudostem, and a whole bunch including a finger and a bunch is formed, and a banana grows in the whole bunch.
  • the pseudostem parent strain
  • the pseudostem is cut at about 2 m above the ground.
  • a new pseudostem part (child strain) newly appearing from the underground root part is propagated in the same manner, or a new pseudostem part (child strain) is bred and propagated, and banana harvesting is repeated.
  • the number of leaves is important for banana cultivation, and since there are 3 months from the last leaf extraction (before flowering) to harvest, at least 12 to 13 functional leaves during the flowering period It is necessary to leave a degree. If the number of functional leaves is insufficient, the plant is cut down during cultivation.
  • the main disease of banana cultivation is Sigatoka disease, which includes yellow Yellow Sigatoka disease and black Black Sigatoka disease.
  • Yellow Sigatoka disease is caused by Mycosphaerella musicola
  • Black Sigatoka disease is a disease caused by Mycosphaerella fijiensis, and particularly Black Sigatoka disease occurs during high temperature and high humidity. It is a disease that turns the leaves black and inhibits photosynthesis to halve the yield.
  • the incubation period of Sigatoka disease ranges from 3 weeks to 2 months, and the initial symptoms of the affected banana appear to be small spots on the back of old leaves 4 to 5 below the top leaf, and eventually yellow along the veins. The lesions gradually expand and become dark brown. When the damage is severe, most leaves die and hang down, leaving only one or two of the central leaves. Control of these diseases begins by monitoring the banana leaf, and the necessity of control is determined by the position of the youngest infected leaf and the degree of infection.
  • organosulfur fungicides such as Mancozeb
  • organochlorine fungicides such as chlorothalonil
  • pyrimidine fungicides such as pyrimethanil
  • Tridemorph Tridemorph
  • fenpropimorph Morpholine fungicides such as (Fenpropimorph)
  • difenoconazole diterconol
  • bittertanol propiconazole
  • epoxyconazole such as pirocrosslobin
  • Many strobilurin fungicides such as azoxystrobin Are, these fungicides several at 20 day intervals from 10 days is sprayed.
  • SAR agents resistance inducers
  • Thiazinyl gene: tiadinil
  • isothianyl gene: isotianil
  • acibenzoral-S-methyl gene: acibenzolar-S-methyl
  • carpropamide probenazole (probenazole)
  • salicylic acid Salicylic acid
  • dichloronicotinic acid and the like are known as the resistance inducer.
  • Compound A 2 ′, 4′-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide
  • Compound A is also useful as a plant disease control agent.
  • it is a known compound (see, for example, Patent Document 1), it is considered a resistance inducer.
  • isotianil is effective for banana black sigatoka disease by spraying treatment (see, for example, Patent Document 2).
  • the compound represented by the above general name or chemical name is a known compound, and can be produced by purchasing a commercially available product or by a method described in a known document (for example, see Non-Patent Document 1).
  • the present inventors have efficiently infected this disease by injecting a banana Sigatoka disease control agent into a banana pseudostem (leaf sheath) or the like with an injector or the like.
  • the present inventors have found a control method that can be controlled, and have completed the control method of the present invention.
  • the control method of injecting a chemical solution into the pseudostem part of the present invention it is possible to efficiently control Sigatoka disease occurring in bananas, and to newly create a pseudostem part (child strain) newly emerging from the underground stem part Sigatoka disease that occurs can be controlled, it has been found that it has a significant long-term control effect compared to the spray treatment of Sigatoga disease control agent, and can reduce the burden on the environment and drug sprayers as much as possible, The present invention has been completed.
  • the present invention relates to at least the following inventions: (1) An effective amount of a Sigatoka disease control agent is injected into a pseudostem part (leaf sheath part) of a plant of a Glyceae plant in which Sigatoka disease has occurred or is predicted to occur, and the plant of the Ganoderma plant A method for controlling Sigatoka disease, which comprises controlling Sigatoka disease occurring in the body. (2) The method for controlling Sigatoka disease according to (1), wherein the Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
  • the azole fungicide is tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadimenol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole,
  • the method for controlling Sigatoka disease according to the above (7) which is imibenconazole, prothioconazole or imazalil.
  • Sigatoka that occurs in the banana parent of the banana parent by injecting an effective amount of a Sigatoka disease control agent into the pseudostem (leaf sheath) of the banana parent that has or is predicted to have Sigatoka
  • a Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
  • the azole fungicide is tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadimenol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole,
  • the method for controlling Sigatoka disease of the present invention is effective for the Sigatoka disease control agent in the pseudostem part (leaf sheath part) of the plant body against Shigatoka disease occurring in or predicted to occur in the plantaceae, particularly banana. It is characterized by injecting treatment.
  • the Sigatoka disease control method of the present invention is a simple treatment method compared with the conventional spraying treatment of Sigatoka disease drug, shows a remarkable control effect over a long period of time, and has an excellent control effect against drug resistant bacteria. It has an effect to prevent the onset of Sigatoka's disease on the new leaf sheath part (child strain) newly emerging from the underground rhizome part.
  • the Sigatoka disease control method of the present invention is a control method that can reduce the number of treatments of the drug, reduce the amount of treatment chemicals, and can reduce the load on the environment.
  • Sigatoka disease control agent examples include a resistance inducer or a penetrating fungicide.
  • the resistance inducer include thiazinyl (generic name: tiadinil), isothianyl (generic name: isotianil), and compound A.
  • Acibenzoral-S-methyl (generic name: acibenzolar-S-methyl), carpropamide (generic name: carpropamid), probenazole (generic name: probenazole), salicylic acid (sicliclic acid), dichloronicotinic acid (Dichloronicid, etc.)
  • thiazinyl, compound A or isothianyl is preferred.
  • osmotic fungicides examples include azoxystrobin (generic name: azoxystrobin), trifloxystrobin (generic name: trifloxystrobin), pyraclostrobin (generic name: pyraclostrobin), methinostrobin (generic name: methominostrobin), Stobilurin-based fungicides such as picoxystrobin (generic name: picoxystrobin), fluoxastrobin (generic name: fluoxastrobin), dimoxystrobin (generic name: dioxystrobin), oryastrostrobin (generic name: orysastrobin), tebuconazole (general Name: tebuconazole), epoxyconazole (generic name: epoxiconazole), difenoconazole (generic name: ifenoconazole), propiconazole (generic name: propiconazole), cyproconazole (generic name
  • the method for controlling Sigatoka disease of the present invention can be performed by injecting a commercially available liquid drug containing the above compound as an active ingredient into the leaf sheath of a plant body such as a banana with an injector such as a syringe.
  • a drug containing Compound A as an active ingredient is prepared by dissolving Compound A in a suitable inert carrier together with a surfactant and, if necessary, an auxiliary agent in an appropriate ratio, For example, it may be used in the form of a suspension, milk suspension, emulsion, liquid or the like.
  • the addition amount of the active ingredient in 100 parts by mass of the control agent for Sigatoka disease may be appropriately selected from the range of 0.1 to 50 parts by mass, preferably in the range of 1 to 50 parts by mass. .
  • a liquid or solid inert carrier can be used as the inert carrier that can be used in the control method of the present invention.
  • a liquid carrier is preferable, and the material that can be a liquid carrier is itself a solvent ability.
  • the liquid carrier is selected from those having no solvent ability and capable of dispersing the active ingredient compound with the aid of an auxiliary agent, such as water, alcohols (for example, methanol, ethanol, isopropanol, butanol).
  • ketones eg acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, cyclohexanone etc.
  • ethers eg ethyl ether, dioxane, cellosolve, dipropyl ether, tetrahydrofuran etc.
  • aliphatic hydrocarbons For example, kerosene, mineral oil, etc.
  • Aromatic hydrocarbons eg, benzene, toluene, xylene, solvent naphtha, alkylnaphthalene, etc.
  • halogenated hydrocarbons eg, dichloroethane, chloroform, carbon tetrachloride, etc.
  • esters eg, ethyl acetate, diisopropyl phthalate, dibutyl) Phthalates, dioctyl phthalates, etc.
  • amides eg, dimethylformamide, diethylformamide, dimethylacetamide, etc.
  • nitriles eg, acetonitrile, etc.
  • dimethyl sulfoxides etc., which may be used alone or as a mixture of two or more. Can be used in the form of
  • adjuvants typical adjuvants exemplified below can be mentioned, and these adjuvants are used depending on the purpose, and used alone, in some cases, two or more kinds of adjuvants are used together. In some cases it is possible to use no adjuvants at all.
  • Surfactants can be used for the purpose of emulsifying, dispersing, solubilizing and / or wetting of the active ingredient compound, such as polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene higher fatty acid ester, polyoxyethylene.
  • Examples include surfactants such as resin acid esters, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, alkylaryl sulfonates, naphthalene sulfonic acid condensates, lignin sulfonates, and higher alcohol sulfates. it can.
  • auxiliary agents such as naphthalenesulfonic acid condensate and condensed phosphate can be used.
  • an auxiliary agent such as silicone oil can be used.
  • Examples of the plant belonging to the family Ganoderma that can control Sigatoka disease by the method of the present invention include, for example, Gros Michel, Cavendish, Dwarf Cavendish, Dwarf Kinese, and Enano (Dwarf Chinese) Enano, Catura, Giant Cavendish, Gran Enano, Grande Nine, Williams Hybrid, ValeryR, ballyR (Poyo), Lacatan, Monte Cristo, It can be exemplified over preparative Rondo (Bout rond) Musaceae plants such as, but not limited to these Musaceae plant.
  • bananas including Giant Cavendish, Dwarf Cavendish, Cavendish, Plantain, Red Banana, Apple Banana, Monkey Banana, Island Banana and the like that are generally cultivated for food.
  • Musaceae which is the target of the control method of the present invention, there are useful traits such as herbicide resistance genes, insecticidal pest resistance genes, antipathogenic substance production genes, oil component modification and amino acid content enhancement traits.
  • GMO genetically modified organism
  • the Sigatoka disease control agent of the Ganoderma family plant is used in an amount effective for controlling Sigatoka disease as it is, or appropriately diluted with water or the like, or suspended in order to control Sigatoka disease.
  • What is necessary is just to inject
  • This treatment controls the occurrence of Sigatoka disease that occurs in growing bananas, and if it is after harvesting, it can also control Sigatoka disease that occurs in the new pseudostem (child strain) that emerges from the rootstock. it can. That is, the chemical treatment of the pseudo stalk portion of the banana parent strain can not only control the Sigatoka disease of the parent strain itself, but also control the Sigatoka disease occurring in the child strain.
  • the banana sigatoka disease control agent of the present invention may be used by formulating it into a normal dosage form, for example, a liquid dosage form such as an emulsion, a wettable powder, a granular wettable powder, a flowable preparation, a liquid preparation, etc.
  • a liquid dosage form such as an emulsion, a wettable powder, a granular wettable powder, a flowable preparation, a liquid preparation, etc.
  • the number of bananas cultivated per hectare is 1500 to 2000 in the case of emulsions that are particularly often used in normal plantation cultivation, depending on the blending ratio, weather conditions, formulation form, treatment time, treatment method, treatment location, etc. Since this is cultivated to the extent that 0.4 l to 3 l of a predetermined amount of drug is sprayed per hectare in general drug spraying, the amount corresponds to 0.2 ml to 2 ml per one.
  • a drug solution diluted to a predetermined dose in the banana leaf sheath may be injected into the pseudostem with a dose of 0.2 ml to 2 ml per bottle, for example, with a syringe.
  • a dose of 0.2 ml to 2 ml per bottle for example, with a syringe.
  • This is in the range of 60 mg to 400 mg per banana plant as the amount of active ingredient, but the amount in the present invention is not limited to this.
  • the amount of drug used can be reduced, and unlike the case where the user sprays the user, the user is not exposed to the chemical solution (in the case of general spraying), and the Sigatoka disease can be controlled more safely. Is.
  • an agricultural or horticultural fungicide or an agricultural or horticultural insecticide other than the above-mentioned fungicide can be used by mixing as appropriate.
  • the agricultural and horticultural fungicides or agricultural and horticultural insecticides are not limited to these.
  • Agricultural and horticultural fungicides include, for example, isoprothiolane, tricyclazole, azoxystrobin, pyracrostrobin, propiconazole, copper-ol-8 and organic copper-ol.
  • Methinostrobin carpropamide, fthalide, kasugamycin, pyroquilon, probenazole, cibenzol-S-methyl-S-methyl-S-methyl-S-methyl utolanil, mepronil, furamethpyr, pencyclone, thifluzamide, validamycin, diclomezine, ferrimzone (f). Hexaconazole, difenoconazole, bittertanol,
  • Examples of agricultural and horticultural insecticides include benfuracarb (generic name: benfurcarb), carbosulfan (generic name: carbosulfan), PHC (generic name: propoxur), furiocarb (generic name: furathiocarb), mesomil (generic name: methomyl).
  • NAC (generic name: carbaryl), bendiocarb (generic name: bendiocarb), alanicarb (generic name: alaniccarb), imidacloprid (generic name: nitenpyram), nitenpyram (generic name: nitenpyram), acetamiprid (generic name: aci id) , Thiamethoxam (generic name: thiamethoxam), clothianidin (generic name: clotianidin), dinotefuran (generic name: inotefuran, propofos (generic name: propaphos), ethylthiomethone (generic name: disulfon), diazinon (generic name: diazinon), trichlorfon (generic name: trichlorfon), fenthion (generic name: fenthion), acephate (generic name: ace
  • Isoxathion (generic name: isoxathion), isofenphos (generic name: isofenphos), chlorpyrifos-methyl (generic name: chlorpyrifos-methyl), chlorfenvinphos (generic name: chlorfenvinphos), dimethoate (generic name: dimethoate), honophos (generic name: dimethoate) Name: fonofos), pyridafenthion (generic name: pyrifafention), monocrotofos (generic name: monocrotophos), cartap (generic name: cartap), thiocyclam (generic name: thiocyclam), bensultap (generic name: bensultap) cycloprotoline (generic name: bensultap) Name: cycloprothrin), etofenprox (generic name: etofenprox), Rafur
  • Cyromazine (generic name: cyromazine), cliuron (generic name: lufenuron), tebufenozide (generic name: tebufenozide), methoxyphenozide (generic name: methoxyfenozide) (generic name: chromofenomide)
  • Phostiazate generic name: fosthiazate
  • Fenpyroximate (generic name: fenproximate)
  • Fipronil generic name: fipronil
  • Endosulfan (generic name: endosulfan), Methaldehyde (general name: metaldehyde), Ememactin Benzoate (generic name: emanectine-benzoate)
  • Spinosad (common name: spinosad)
  • chlorfenapyr (common name
  • Formulation Example 1 Active ingredient of Sigatoka disease control agent of the present invention 50 parts Xylene 40 parts Mixture of polyoxyethylene nonylphenyl ether and calcium alkylbenzenesulfonate 10 parts The above is uniformly mixed and dissolved to prepare an emulsion.
  • Formulation Example 2 30 parts Solpol 3105 (manufactured by Toho Chemical Co., Ltd.) 5 parts Propylene glycol 5 parts Rhodopol (manufactured by Rhone-Poulenc) 2 parts Water 58 parts or more uniformly mixed and dispersed in water And flowable.
  • Formulation Example 3 Isotianil 15 parts Sorpol 3105 5 parts Propylene glycol 5 parts Rhodopol 2 parts Water 73 parts The above is uniformly mixed and dispersed in water to obtain a flowable agent.
  • Test Example 1 Sigatoka disease control test of banana by injection treatment of various drugs.
  • thiazinyl and compound A were flowables of Formulation Example 2
  • isothianyl was flowables of Formulation Example 3
  • pyraclostrobin was a commercial 25% emulsion
  • mancozeb was commercial 80% water.
  • Dilute the Japanese medicine with water to the prescribed dosage and inject 10ml of diluted solution per strain into a site of about 50cm above the ground with a modified 100ml syringe at the parent pseudostem.
  • the number of healthy functional leaves was calculated about every 2 weeks. 1 ward 20 continuous system. Note that the number of functional leaves in the parent pseudostem-treated section indicates the number of functional leaves of the child pseudostem that comes from the same root. The results are shown in Table 1.
  • control method of the present invention using a resistance inducer or a penetrating fungicide exhibits a remarkable control effect of suppressing damage caused by banana sigatoka disease in the entire plant body. It is also clear that the control method of the present invention has a special effect that the generation of Sigatoka disease in the next-generation plant body can be suppressed in the treatment of the parent strain with the pseudostem.
  • Test Example 2 Test for controlling Sigatoka disease that occurs during banana growth period with thiazinyl 2 ml of chemical solution in which the drug (active ingredient: thiazinyl) of prescription example 2 was diluted 5 times with water to banana at the beginning of Sigatoka disease development Inject into the stem about 1m above the ground with a syringe, and calculate the total number of functional leaves (sanely functioning leaves) per strain from the 11th day after the chemical treatment. The calculation was performed in the same manner for 9 weeks every time (1 ward, 4 systems). Note that the number of functional leaves in the parent pseudostem-treated section indicates the number of functional leaves of the child pseudostem that comes from the same root. The results are shown in Table 2.
  • the thiazinyl infusion treatment group suppressed the onset and progression of banana shigatoka disease over a long period of time, both in the parent stem pseudo-stem injection and in the child strain pseudo-stem injection treatment, compared to the non-treatment group. 12 or more leaves were maintained, the control effect was remarkable, and the state which does not hinder banana growth was maintained for a long time. That is, it was revealed that the control method of the present invention has an effect of suppressing damage caused by Sigatoka disease in the whole plant body. Moreover, it became clear that the control method of this invention has the special effect that generation
  • Test Example 3 The same drug as in Test Example 2 was treated in the same manner. As an index of the effect of the treatment, the number of healthy leaves per strain up to the position of the youngest infected leaf counted from the newest leaf at the top was calculated (1 ward 4 continuous system). In addition, the number of healthy leaves in the parent pseudostem treatment section indicates the number of healthy leaves of the child pseudostem that comes from the same root. The results are shown in Table 3.
  • the incubation period of Sigatoka disease infection was about 3 weeks to 2 months, and in the untreated area, the number of functional leaves necessary for the growing season of bananas decreased due to the infection and could not grow sufficiently.
  • the control method with thiazinyl which is one of the active ingredients of the present invention is implemented, the spread of Sigatoka disease can be suppressed by the injection treatment of the Sigatoka disease control agent.
  • the number of bananas increased, bananas grew well, and high quality was maintained.
  • the control effect was also maintained for 60 days after the chemical treatment.
  • the number of spraying and the amount of medicine can be reduced as compared with conventional practice control, and the burden on the sprayer and the environment is reduced.

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  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Cultivation Of Plants (AREA)

Abstract

Disclosed is a novel energy-saving sigatoka disease control method which efficiently controls the sigatoka disease, has a low environmental impact, and has the advantage of making it possible to reduce the amount of chemical spray. Leaf sheaths (pseudostem) of plants of the family Musaceae infected or anticipated to be infected with the sigatoka disease are treated by injection of an effective amount of the disclosed sigatoka disease control agent to control the sigatoka disease occurring in the aforementioned plants of the family Musaceae.

Description

シガトカ病の防除方法How to control Sigatoka disease
 本発明はバショウ科植物、特にバナナに発生するシガトカ病の防除方法に関するものである。 The present invention relates to a method for controlling Sigatoka disease that occurs in a Ganoderma plant, particularly a banana.
 バショウ科バショウ属に属する植物、特にバナナは、果実を食用とする品種群の総称であり、そしてその果実のことを言う。該植物は、中国、台湾等の東アジア、フィリピン、インドネシア、タイ、ベトナム等の東南アジア、インド等の西アジア、ブラジル、エクアドル、コスタリカ、メキシコ、グアテマラ、コロンビア、ペルー等の中南米、タンザニア、コンゴ、ウガンダ、南アフリカ等のアフリカで主として栽培されており、プランテーション栽培も行われて、通年を通して栽培されている。これらの国々で栽培され、収穫されたバナナは世界各地に輸出されている。 Plants belonging to the genus Basho, particularly bananas, are a collective term for varieties of edible fruits and refer to the fruits. The plant includes East Asia such as China and Taiwan, Southeast Asia such as Philippines, Indonesia, Thailand and Vietnam, West Asia such as India, Brazil, Ecuador, Costa Rica, Mexico, Guatemala, Colombia, Peru and other Central and South America, Tanzania, Congo, It is mainly cultivated in Africa such as Uganda and South Africa. Plantation is also cultivated throughout the year. Bananas grown and harvested in these countries are exported worldwide.
 バナナ栽培では、茎部を含む根部は地下にあり、地上部に高く伸びた茎のような部分は偽茎と呼ばれ、実際には葉鞘が幾重にも重なり合っているものであり、偽茎の先端から長楕円形の葉(葉身)が大きく伸び、更に偽茎の先端から果軸が出、その先に果指、果房を含む全房が形成され、全房でバナナが生育する。バナナの収穫後にこの偽茎部(親株)は地上部2m前後のところで切断される。その頃に地下の根部から新たに出現している新偽茎部(子株)を同様に繁殖させるか、又は新偽茎部(子株)を株分けして繁殖させ、バナナの収穫が繰り返される。バナナの栽培には葉(機能葉)を何枚残すかが重要であり、最後の葉の抽出(開花前)から収穫まで3ケ月あるために、開花期には機能葉を少なくとも12~13枚程度残す必要がある。機能葉の枚数が不充分な場合には、栽培途中で植物は切り倒される。 In banana cultivation, the root part including the stem part is in the basement, and the part like a stalk that extends high above the ground part is called a fake stalk. A long oval leaf (leaf blade) extends greatly from the tip, and a fruit axis comes out from the tip of the pseudostem, and a whole bunch including a finger and a bunch is formed, and a banana grows in the whole bunch. After harvesting the banana, the pseudostem (parent strain) is cut at about 2 m above the ground. At that time, a new pseudostem part (child strain) newly appearing from the underground root part is propagated in the same manner, or a new pseudostem part (child strain) is bred and propagated, and banana harvesting is repeated. The number of leaves (functional leaves) is important for banana cultivation, and since there are 3 months from the last leaf extraction (before flowering) to harvest, at least 12 to 13 functional leaves during the flowering period It is necessary to leave a degree. If the number of functional leaves is insufficient, the plant is cut down during cultivation.
 バナナ栽培の主要病害としてシガトカ病があり、黄色のイエローシガトカ病(Yellow Sigatoka)と黒色のブラックシガトカ病(Black Sigatoka)がある。
 イエローシガトカ病はマイコスファエレラ ムシコラ(Mycosphaerella musicola)に起因し、黒シガトカ病はマイコスファエレラ フィジエンシス(Mycosphaerella fijiensis)に起因する病害であり、特に黒シガトカ病は高温多湿時に発生し、バナナの葉を黒く変色させ、光合成を阻害して収穫量を半減させる病害である。シガトカ病の潜伏期間は3週間乃至2ケ月あり、その後に罹患したバナナの初期病徴は、頂葉から4~5枚下の古葉の葉裏に小斑点が現れ、やがて葉脈に沿って黄色の条斑を生じ、次第に病斑は拡大して暗褐色になる。被害がひどくなると、殆どの葉が枯死して垂れ下がり、中心葉の1~2枚だけが残る。これらの病害の防除は、バナナの葉部を監視することから始まり、感染した最も若い葉の位置と感染程度で防除の要否が判断される。
The main disease of banana cultivation is Sigatoka disease, which includes yellow Yellow Sigatoka disease and black Black Sigatoka disease.
Yellow Sigatoka disease is caused by Mycosphaerella musicola, Black Sigatoka disease is a disease caused by Mycosphaerella fijiensis, and particularly Black Sigatoka disease occurs during high temperature and high humidity. It is a disease that turns the leaves black and inhibits photosynthesis to halve the yield. The incubation period of Sigatoka disease ranges from 3 weeks to 2 months, and the initial symptoms of the affected banana appear to be small spots on the back of old leaves 4 to 5 below the top leaf, and eventually yellow along the veins. The lesions gradually expand and become dark brown. When the damage is severe, most leaves die and hang down, leaving only one or two of the central leaves. Control of these diseases begins by monitoring the banana leaf, and the necessity of control is determined by the position of the youngest infected leaf and the degree of infection.
 シガトカ病の発生を確認するとマンコゼブ(Mancozeb)等の有機硫黄系殺菌剤、クロロタロニル(Chlorothalonil)等の有機塩素系殺菌剤、ピリメタニル(Pirimethanil)等のピリミジン系殺菌剤、トリデモルフ(Tridemorph)、フェンプロピモルフ(Fenpropimorf)等のモルフォリン系殺菌剤、ジフェノコナゾール(Difenoconazole)、ビテルタノール(Bitertanol)、プロピコナゾール(Propiconazole)、エポキシコナゾール(Epoxiconazole)等のトリアゾール系殺菌剤、ピラクロストロビン(Pyraclostrobin)、アゾキシストロビン(azoxystrobin)等のストロビルリン系殺菌剤が多用されており、これらの殺菌剤は10日から20日間隔で数種類が散布されている。 When the occurrence of Sigatoka disease is confirmed, organosulfur fungicides such as Mancozeb, organochlorine fungicides such as chlorothalonil, pyrimidine fungicides such as pyrimethanil, Tridemorph, fenpropimorph Morpholine fungicides such as (Fenpropimorph), difenoconazole, diterconol, bittertanol, propiconazole, epoxyconazole such as pirocrosslobin Many strobilurin fungicides such as azoxystrobin Are, these fungicides several at 20 day intervals from 10 days is sprayed.
 また、近年それ自身は殺菌活性を示さないか又は弱いが、病害に対する抵抗性を植物に誘導する抵抗性誘導剤(SAR剤)と呼ばれる一群の化合物が各種作物の病害防除剤として有用であることが知られるようになり、チアジニル(一般名:tiadinil)及びイソチアニル(一般名:isotianil)、アシベンゾラル-S-メチル(一般名:acibenzolar-S-methyl)、カルプロパミド(carpropamid)、プロベナゾール(probenazole)、サリチル酸(salicylic acid)、ジクロロニコチン酸(dichloronicotinic acid)等が前記抵抗性誘導剤として知られている。更にチアジニルと類似化合物である2’,4’-ジメトキシ-4-シクロプロピル-1,2,3-チアジアゾール-5-カルボキサニリド(以下、「化合物A」という)も、植物病害防除剤として有用である公知化合物(例えば、特許文献1を参照)であるが、抵抗性誘導剤と考えられている。これら抵抗性誘導剤の中ではイソチアニルがバナナのブラックシガトカ病に対して散布処理により効果を示すことが知られている(例えば、特許文献2を参照)。 Also, in recent years, a group of compounds called resistance inducers (SAR agents) that in itself show no bactericidal activity or are weak but induce disease resistance to plants are useful as disease control agents for various crops. Thiazinyl (generic name: tiadinil) and isothianyl (generic name: isotianil), acibenzoral-S-methyl (generic name: acibenzolar-S-methyl), carpropamide, probenazole (probenazole), salicylic acid (Salicylic acid), dichloronicotinic acid and the like are known as the resistance inducer. In addition, 2 ′, 4′-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide (hereinafter referred to as “Compound A”), which is a similar compound to thiazinyl, is also useful as a plant disease control agent. Although it is a known compound (see, for example, Patent Document 1), it is considered a resistance inducer. Among these resistance inducers, it is known that isotianil is effective for banana black sigatoka disease by spraying treatment (see, for example, Patent Document 2).
 上記一般名又は化学名で示される化合物は公知化合物であり、市販品の購入又は公知文献記載の方法により製造することができる(例えば、非特許文献1を参照)。 The compound represented by the above general name or chemical name is a known compound, and can be produced by purchasing a commercially available product or by a method described in a known document (for example, see Non-Patent Document 1).
特開2007-99749号公報JP 2007-99749 A 国際公開2010/037482号パンフレットInternational Publication No. 2010/037482 Pamphlet
 上記のように、シガトカ病防除はバナナ栽培にとって最重要課題であるが、従来技術では多数回薬剤処理を行うため、その労力は多大なものとなり、さらに薬剤耐性菌の出現が、防除をより困難にしている。よって、防除困難なシガトカ病を効率的に防除するための環境に負荷が少なく、散布薬剤量の低減を可能とする等の利点がある、省力的な、新たな防除方法が求められている。 As mentioned above, control of Sigatoka disease is the most important issue for banana cultivation, but the conventional technology performs many times of drug treatment, so the labor is tremendous, and the emergence of drug-resistant bacteria is more difficult to control I have to. Therefore, there is a demand for a new labor-saving control method that has advantages such as less burden on the environment for efficiently controlling Sigatoka disease, which is difficult to control, and the ability to reduce the amount of sprayed drug.
 本発明者等は、上記課題を解決すべく鋭意研究を重ねた結果、バナナのシガトカ病防除剤をバナナの偽茎部(葉鞘部)等に注入器等で注入することによって本病害を効率的に防除できる防除方法を見出し、本発明の防除方法を完成させたものである。即ち、本発明の偽茎部に薬液を注入する防除方法により、バナナに発生しているシガトカ病を効率的に防除できる他に、新たに地下の茎部から出る新偽茎部(子株)に発生するシガトカ病も防除でき、シガトガ病防除剤の散布処理に比して顕著な長期の防除効果を奏し、且つ環境及び薬剤散布者への負担が極力軽減できるものであることが見出され、本発明は完成されたのである。 As a result of intensive studies to solve the above-mentioned problems, the present inventors have efficiently infected this disease by injecting a banana Sigatoka disease control agent into a banana pseudostem (leaf sheath) or the like with an injector or the like. The present inventors have found a control method that can be controlled, and have completed the control method of the present invention. That is, according to the control method of injecting a chemical solution into the pseudostem part of the present invention, it is possible to efficiently control Sigatoka disease occurring in bananas, and to newly create a pseudostem part (child strain) newly emerging from the underground stem part Sigatoka disease that occurs can be controlled, it has been found that it has a significant long-term control effect compared to the spray treatment of Sigatoga disease control agent, and can reduce the burden on the environment and drug sprayers as much as possible, The present invention has been completed.
 即ち、本発明は、少なくとも以下の各発明に関する:
(1)シガトカ病が発生している又は発生が予測されるバショウ科植物の植物体の偽茎部(葉鞘部)に有効量のシガトカ病防除剤を注入処理して、前記バショウ科植物の植物体に発生するシガトカ病を防除することを特徴とする、シガトカ病の防除方法。
(2)シガトカ病防除剤が抵抗性誘導剤又は浸透性殺菌剤である前記(1)のシガトカ病の防除方法。
(3)抵抗性誘導剤がチアジニル、イソチアニル、化合物A、アシベンゾラル-S-メチル、カルプロパミド、プロベナゾール、サリチル酸、ジクロロニコチン酸である前記(2)のシガトカ病の防除方法。
(4)抵抗性誘導剤がチアジニル、イソチアニル又は化合物Aである前記(1)~(3)のいずれかのシガトカ病の防除方法。
That is, the present invention relates to at least the following inventions:
(1) An effective amount of a Sigatoka disease control agent is injected into a pseudostem part (leaf sheath part) of a plant of a Glyceae plant in which Sigatoka disease has occurred or is predicted to occur, and the plant of the Ganoderma plant A method for controlling Sigatoka disease, which comprises controlling Sigatoka disease occurring in the body.
(2) The method for controlling Sigatoka disease according to (1), wherein the Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
(3) The method for controlling Sigatoka disease according to the above (2), wherein the resistance inducer is thiazinyl, isothianyl, compound A, acibenzoral-S-methyl, carpropamide, probenazole, salicylic acid, dichloronicotinic acid.
(4) The method for controlling Sigatoka disease according to any one of the above (1) to (3), wherein the resistance inducer is thiazinyl, isotianil or compound A.
(5)浸透性殺菌剤がストロビルリン系殺菌剤である前記(2)のシガトカ病の防除方法。
(6)ストロビルリン系殺菌剤がアゾキシストロビン、メトミノストロビン、ピコキシストロビン、ピラクロストロビン、フルオキサストロビン、ジモキシストロビン又はオリサストロビンである前記(2)又は(5)のシガトカ病の防除方法。
(7)浸透性殺菌剤がアゾール系殺菌剤である前記(2)のシガトカ病の防除方法。
(8)アゾール系殺菌剤がテブコナゾール、ジフェノコナゾール、プロピコナゾール、シプロコナゾール、フルシラゾール、ミクロブタニル、フルトリアホール、トリアジメノール、ヘキサコナゾール、ペンコナゾール、ジニコナゾール、トリアジメホン、イプコナゾール、ブロムコナゾール、シメコナゾール、イミベンコナゾール、プロチオコナゾール又はイマザリルである前記(7)のシガトカ病の防除方法。
(9)バショウ科植物がバナナである前記(1)のシガトカ病の防除方法。
(10)シガトカ病がMycosphaerella musicolaに起因するシガトカ病である前記(1)~(9)のいずれかのシガトカ病の防除方法。
(11)シガトカ病がMycospharella fijiensisに起因するシガトカ病である前記(1)~(9)のいずれかのシガトカ病の防除方法。
(5) The method for controlling Sigatoka disease according to (2) above, wherein the permeable fungicide is a strobilurin fungicide.
(6) Sigatoka disease according to (2) or (5) above, wherein the strobilurin fungicide is azoxystrobin, metminostrobin, picoxystrobin, pyraclostrobin, fluoxastrobin, dimoxystrobin or orisatrobin Control method.
(7) The method for controlling Sigatoka disease according to (2) above, wherein the permeable fungicide is an azole fungicide.
(8) The azole fungicide is tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadimenol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole, The method for controlling Sigatoka disease according to the above (7), which is imibenconazole, prothioconazole or imazalil.
(9) The method for controlling Sigatoka disease according to the above (1), wherein the Musaceae plant is a banana.
(10) The method for controlling a Sigatoka disease according to any one of the above (1) to (9), wherein the Sigatoka disease is a Sigatoka disease caused by Mycosphaerella musicola.
(11) The method for controlling a Sigatoka disease according to any one of (1) to (9), wherein the Sigatoka disease is a Sigatoka disease caused by Mycosphaella fijiensis.
(12)シガトカ病が発生している又は発生が予測されるバナナ親株の偽茎部(葉鞘部)に有効量のシガトカ病防除剤を注入処理して、前記バナナ親株のバナナ子株に発生するシガトカ病を防除することを特徴とする、バナナ子株のシガトカ病の防除方法。
(13)シガトカ病防除剤が抵抗性誘導剤又は浸透性殺菌剤である前記(12)のシガトカ病の防除方法。
(14)抵抗性誘導剤がチアジニル、イソチアニル、化合物A、アシベンゾラル-S-メチル、カルプロパミド、プロベナゾール、サリチル酸、ジクロロニコチン酸である前記(13)のシガトカ病の防除方法。
(15)抵抗性誘導剤がチアジニル、イソチアニル又は化合物Aである前記(14)のシガトカ病の防除方法。
(12) Sigatoka that occurs in the banana parent of the banana parent by injecting an effective amount of a Sigatoka disease control agent into the pseudostem (leaf sheath) of the banana parent that has or is predicted to have Sigatoka A method for controlling sigatoka disease in a banana seedling, characterized by controlling disease.
(13) The method for controlling Sigatoka disease according to (12), wherein the Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
(14) The method for controlling Sigatoka disease according to the above (13), wherein the resistance inducer is thiazinyl, isothianyl, compound A, acibenzoral-S-methyl, carpropamide, probenazole, salicylic acid, or dichloronicotinic acid.
(15) The method for controlling Sigatoka disease according to the above (14), wherein the resistance inducer is thiazinyl, isotianil or compound A.
(16)浸透性殺菌剤がストロビルリン系殺菌剤である前記(14)のシガトカ病の防除方法。
(17)ストロビルリン系殺菌剤がアゾキシストロビン、メトミノストロビン、ピコキシストロビン、ピラクロストロビン、フルオキサストロビン、ジモキシストロビン又はオリサストロビンである前記(17)のシガトカ病の防除方法。
(18)浸透性殺菌剤がアゾール系殺菌剤である前記(13)のシガトカ病の防除方法。
(19)アゾール系殺菌剤がテブコナゾール、ジフェノコナゾール、プロピコナゾール、シプロコナゾール、フルシラゾール、ミクロブタニル、フルトリアホール、トリアジメノール、ヘキサコナゾール、ペンコナゾール、ジニコナゾール、トリアジメホン、イプコナゾール、ブロムコナゾール、シメコナゾール、イミベンコナゾール、プロチオコナゾール又はイマザリルである前記(18)のシガトカ病の防除方法。
(16) The method for controlling Sigatoka disease according to the above (14), wherein the permeable fungicide is a strobilurin fungicide.
(17) The method for controlling Sigatoka disease according to the above (17), wherein the strobilurin-based fungicide is azoxystrobin, metminostrobin, picoxystrobin, pyraclostrobin, floxastrobin, dimoxystrobin or orisatrobin.
(18) The method for controlling Sigatoka disease according to (13), wherein the permeable fungicide is an azole fungicide.
(19) The azole fungicide is tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadimenol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole, The method for controlling Sigatoka disease according to the above (18), which is imibenconazole, prothioconazole or imazalil.
 本発明のシガトカ病防除方法は、バショウ科植物、特にバナナに発生している又は発生が予測されるシガトカ病に対して、植物体の偽茎部(葉鞘部)にシガトカ病防除剤の有効量を注入処理することを特長とする。本発明のシガトカ病防除方法は、従来のシガトカ病防除薬剤の散布処理に比して簡便な処理方法であり、長期にわたり顕著な防除効果を示し、薬剤耐性菌に対しても優れた防除効果を示すものであり、且つ新たに地下の根茎部から出る新葉鞘部(子株)に対するシガトカ病の発病を防止する効果を有する。更に、本発明のシガトカ病防除方法は、薬剤の処理回数の削減を可能とし、処理薬量の低減が可能となり、環境に対しても負荷を低減できる防除方法である。 The method for controlling Sigatoka disease of the present invention is effective for the Sigatoka disease control agent in the pseudostem part (leaf sheath part) of the plant body against Shigatoka disease occurring in or predicted to occur in the plantaceae, particularly banana. It is characterized by injecting treatment. The Sigatoka disease control method of the present invention is a simple treatment method compared with the conventional spraying treatment of Sigatoka disease drug, shows a remarkable control effect over a long period of time, and has an excellent control effect against drug resistant bacteria. It has an effect to prevent the onset of Sigatoka's disease on the new leaf sheath part (child strain) newly emerging from the underground rhizome part. Furthermore, the Sigatoka disease control method of the present invention is a control method that can reduce the number of treatments of the drug, reduce the amount of treatment chemicals, and can reduce the load on the environment.
 本発明で使用できるシガトカ病防除剤としては、抵抗性誘導剤又は浸透性殺菌剤であり、抵抗性誘導剤としては、例えばチアジニル(一般名:tiadinil)、イソチアニル(一般名:isotianil)、化合物A、アシベンゾラル-S-メチル(一般名:acibenzolar-S-methyl)、カルプロパミド(一般名:Carpropamid)、プロベナゾール(一般名:probenazole)、サリチル酸(salicylic acid)、ジクロロニコチン酸(Dichloronicotinic acid)等を使用することができ、中でもチアジニル、化合物A又はイソチアニルが好ましい。浸透性殺菌剤としては、例えばアゾキシストロビン(一般名:azoxystrobin)、トリフロキシストロビン(一般名:trifloxystrobin)、ピラクロストロビン(一般名:pyraclostrobin)、メトミノストロビン(一般名:metominostrobin)、ピコキシストロビン(一般名:picoxystrobin)、フルオキサストロビン(一般名:fluoxastrobin)、ジモキシストロビン(一般名:dimoxystrobin)、オリサストロビン(一般名:orysastrobin)等のストロビルリン系殺菌剤、テブコナゾール(一般名:tebuconazole)、エポキシコナゾール(一般名:epoxiconazole)、ジフェノコナゾール(一般名:difenoconazole)、プロピコナゾール(一般名:propiconazole)、シプロコナゾール(一般名:cyproconazole)、フルシラゾール(一般名:flusilazole)、メトコナゾール(一般名:metconazole)、ミクロブタニル(一般名:myclobutanil)、テトラコナゾール(一般名:tetraconazole)、フルキンコナゾール(一般名:fliquinconazole)、フルトリアホール(一般名:flutriafol)、トリアジメノール(一般名:triadimenol)、ヘキサコナゾール(一般名:hexaconazole)、ペンコナゾール(一般名:penconazole)、ビテルタノール(一般名:bitertanol)、トリチコナゾール(一般名:triticonazole)、フェンブコナゾール(一般名:fenbuconazole)、ジニコナゾール(一般名:diniconazole)、トリアジメホン(一般名:triadimefon)、イプコナゾール(一般名:ipconazole)、ブロムコナゾール(一般名:bromuconazole)、シメコナゾール(一般名:simeconazole)、イミベンコナゾール(一般名:imibenconazole)、プロチオコナゾール(一般名:prothioconazole)、プロクロラズ(一般名:prochloraz)、イマザリル(一般名:imazalil)、オキシポコナゾール(一般名:oxpoconazole)等のアゾール系殺菌剤を使用することができるが、本発明で使用できるシガトカ病防除剤はこれらの有効成分に限定されるものではない。これらの薬剤は市販されており、市場から容易に入手可能である。又、化合物Aは特許文献1に記載の方法により製造することができる。 Examples of the Sigatoka disease control agent that can be used in the present invention include a resistance inducer or a penetrating fungicide. Examples of the resistance inducer include thiazinyl (generic name: tiadinil), isothianyl (generic name: isotianil), and compound A. , Acibenzoral-S-methyl (generic name: acibenzolar-S-methyl), carpropamide (generic name: carpropamid), probenazole (generic name: probenazole), salicylic acid (sicliclic acid), dichloronicotinic acid (Dichloronicid, etc.) Among them, thiazinyl, compound A or isothianyl is preferred. Examples of osmotic fungicides include azoxystrobin (generic name: azoxystrobin), trifloxystrobin (generic name: trifloxystrobin), pyraclostrobin (generic name: pyraclostrobin), methinostrobin (generic name: methominostrobin), Stobilurin-based fungicides such as picoxystrobin (generic name: picoxystrobin), fluoxastrobin (generic name: fluoxastrobin), dimoxystrobin (generic name: dioxystrobin), oryastrostrobin (generic name: orysastrobin), tebuconazole (general Name: tebuconazole), epoxyconazole (generic name: epoxiconazole), difenoconazole (generic name: ifenoconazole), propiconazole (generic name: propiconazole), cyproconazole (generic name: cyproconazole), flusilazole (generic name: flusilazole), metconazole (generic name: metconazole), microbutanil (generic name: methobazole) (Generic name: tetraconazole), fluquinconazole (generic name: flequinconazole), flutriahol (generic name: flutriafol), triadimenol (generic name: triadimenol), hexaconazole (generic name: hexaconazole), penconazole (general name) Name: penconazole), Vitertanol (generic name: bitteranol) Triticonazole (generic name: triticonazole), fenbuconazole (generic name: fenbuconazole), diniconazole (generic name: diniconazole), triadimephone (generic name: triadimefone), ipconazole (generic name: ipconazole), broconazole : Bromuconazole), cimeconazole (generic name: simconazole), imibenconazole (generic name: imibenconazole), prothioconazole (generic name: prothioconazole) (generic name: prochloraz), izobenazole (generic name: prochloraz) Use azole fungicides such as nazole (generic name: oxpoconazole). However, the Sigatoka disease control agent that can be used in the present invention is not limited to these active ingredients. These drugs are commercially available and are readily available from the market. Compound A can be produced by the method described in Patent Document 1.
 本発明のシガトカ病の防除方法は上記化合物を有効成分とする市販の液状薬剤をバナナ等の植物体の葉鞘部に注射器等の注入器等で注入処理することにより行うことができる。又、化合物Aを有効成分とする薬剤は、化合物Aを適当な不活性担体に界面活性剤、必要に応じて補助剤と一緒に、適当な割合に配合して溶解させ、適宜の剤型、例えば懸濁剤、乳懸濁剤、乳剤、液剤等に製剤して使用すればよい。
 シガトカ病の防除剤100質量部中の有効成分の添加量は0.1質量部~50質量部の範囲から適宜選択して使用すればよく、好ましくは1質量部~50質量部の範囲である。
The method for controlling Sigatoka disease of the present invention can be performed by injecting a commercially available liquid drug containing the above compound as an active ingredient into the leaf sheath of a plant body such as a banana with an injector such as a syringe. In addition, a drug containing Compound A as an active ingredient is prepared by dissolving Compound A in a suitable inert carrier together with a surfactant and, if necessary, an auxiliary agent in an appropriate ratio, For example, it may be used in the form of a suspension, milk suspension, emulsion, liquid or the like.
The addition amount of the active ingredient in 100 parts by mass of the control agent for Sigatoka disease may be appropriately selected from the range of 0.1 to 50 parts by mass, preferably in the range of 1 to 50 parts by mass. .
 本発明の防除方法で使用できる不活性担体としては液体又は固体の不活性担体が使用でき、葉鞘部への注入方法では液体担体が好ましく、液体の担体になり得る材料としては、それ自体溶媒能を有するものの他、溶媒能を有さずとも補助剤の助けにより有効成分化合物を分散させ得ることとなるものから選択され、かかる液体担体として例えば水、アルコール類(例えばメタノール、エタノール、イソプロパノール、ブタノール、エチレングリコール等)、ケトン類(例えばアセトン、メチルエチルケトン、メチルイソブチルケトン、ジイソブチルケトン、シクロヘキサノン等)、エーテル類(例えばエチルエーテル、ジオキサン、セロソルブ、ジプロピルエーテル、テトラヒドロフラン等)、脂肪族炭化水素類(例えばケロシン、鉱油等)、芳香族炭化水素類(例えばベンゼン、トルエン、キシレン、ソルベントナフサ、アルキルナフタレン等)、ハロゲン化炭化水素類(例えばジクロロエタン、クロロホルム、四塩化炭素等)、エステル類(例えば酢酸エチル、ジイソプロピルフタレート、ジブチルフタレート、ジオクチルフタレート等)、アミド類(例えばジメチルホルムアミド、ジエチルホルムアミド、ジメチルアセトアミド等)、ニトリル類(例えばアセトニトリル等)、ジメチルスルホキシド類等を挙げることができ、これらは単独で又は2種以上の混合物の形で使用することができる。 As the inert carrier that can be used in the control method of the present invention, a liquid or solid inert carrier can be used. In the method of injecting into the leaf sheath, a liquid carrier is preferable, and the material that can be a liquid carrier is itself a solvent ability. In addition, the liquid carrier is selected from those having no solvent ability and capable of dispersing the active ingredient compound with the aid of an auxiliary agent, such as water, alcohols (for example, methanol, ethanol, isopropanol, butanol). , Ethylene glycol etc.), ketones (eg acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, cyclohexanone etc.), ethers (eg ethyl ether, dioxane, cellosolve, dipropyl ether, tetrahydrofuran etc.), aliphatic hydrocarbons ( For example, kerosene, mineral oil, etc. , Aromatic hydrocarbons (eg, benzene, toluene, xylene, solvent naphtha, alkylnaphthalene, etc.), halogenated hydrocarbons (eg, dichloroethane, chloroform, carbon tetrachloride, etc.), esters (eg, ethyl acetate, diisopropyl phthalate, dibutyl) Phthalates, dioctyl phthalates, etc.), amides (eg, dimethylformamide, diethylformamide, dimethylacetamide, etc.), nitriles (eg, acetonitrile, etc.), dimethyl sulfoxides, etc., which may be used alone or as a mixture of two or more. Can be used in the form of
 他の補助剤としては次に例示する代表的な補助剤を挙げることができ、これらの補助剤は目的に応じて使用され、単独で、ある場合は2種以上の補助剤を併用し、又ある場合には全く補助剤を使用しないことも可能である。有効成分化合物の乳化、分散、可溶化及び/又は湿潤の目的のために界面活性剤が使用でき、例えばポリオキシエチレンアルキルエーテル、ポリオキシエチレンアルキルアリールエーテル、ポリオキシエチレン高級脂肪酸エステル、ポリオキシエチレン樹脂酸エステル、ポリオキシエチレンソルビタンモノラウレート、ポリオキシエチレンソルビタンモノオレエート、アルキルアリールスルホン酸塩、ナフタレンスルホン酸縮合物、リグニンスルホン酸塩、高級アルコール硫酸エステル等の界面活性剤を挙げることができる。懸濁性製品の解こう剤として、例えばナフタレンスルホン酸縮合物、縮合燐酸塩等の補助剤が使用できる。消泡剤として、例えばシリコーン油等の補助剤が使用できる。 As other adjuvants, typical adjuvants exemplified below can be mentioned, and these adjuvants are used depending on the purpose, and used alone, in some cases, two or more kinds of adjuvants are used together. In some cases it is possible to use no adjuvants at all. Surfactants can be used for the purpose of emulsifying, dispersing, solubilizing and / or wetting of the active ingredient compound, such as polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene higher fatty acid ester, polyoxyethylene. Examples include surfactants such as resin acid esters, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, alkylaryl sulfonates, naphthalene sulfonic acid condensates, lignin sulfonates, and higher alcohol sulfates. it can. As a peptizer for a suspension product, for example, auxiliary agents such as naphthalenesulfonic acid condensate and condensed phosphate can be used. As the antifoaming agent, for example, an auxiliary agent such as silicone oil can be used.
 本発明防除方法でシガトカ病を防除できるバショウ科の植物としては、例えばグロス ミッチェル(Gros Michel)、キャベンディッシュ(Cavendish)、ドワーフ キャベンディッシュ(Dwarf Cavendish)、ドワーフ キネーゼ(Dwarf Chinese)、エナーノ(Enano)、カツーラ(Caturra)、ジャイアント・キャベンディッシュ(Giant Cavendish)、グラン エナーノ(Gran Enano)、グランド ナイン(Grande Naine)、ウイリアムス ハイブリッド(Williams Hybrid)、バレリー(Valery)、ロブスタ(Robust)、ポヨ(Poyo)、ラカタン(Lacatan)、モンテ クリスト(Monte cristo)、ボート ロンド(Bout rond)等のバショウ科植物を例示することができるが、これらのバショウ科植物に限定されるものではない。特に好ましくは一般に食用として栽培されているジャイアント・キャベンディッシュ、ドワーフ・キャベンディッシュ、キャベンディッシュ、プランテーン、レッドバナナ、アップルバナナ、モンキーバナナ、島バナナ等を含む全てのバナナ類である。
 本発明の防除方法の対象であるバショウ科植物には、除草剤耐性遺伝子、殺虫性害虫抵抗性遺伝子、抗病原性物質産生遺伝子、油糧成分改質やアミノ酸含量増強形質などの有用形質について、遺伝子変換を行った遺伝子組み換え体(GMO)である同植物も包含される。
Examples of the plant belonging to the family Ganoderma that can control Sigatoka disease by the method of the present invention include, for example, Gros Michel, Cavendish, Dwarf Cavendish, Dwarf Kinese, and Enano (Dwarf Chinese) Enano, Catura, Giant Cavendish, Gran Enano, Grande Nine, Williams Hybrid, ValeryR, ballyR (Poyo), Lacatan, Monte Cristo, It can be exemplified over preparative Rondo (Bout rond) Musaceae plants such as, but not limited to these Musaceae plant. Particularly preferred are all bananas including Giant Cavendish, Dwarf Cavendish, Cavendish, Plantain, Red Banana, Apple Banana, Monkey Banana, Island Banana and the like that are generally cultivated for food.
For the genus Musaceae which is the target of the control method of the present invention, there are useful traits such as herbicide resistance genes, insecticidal pest resistance genes, antipathogenic substance production genes, oil component modification and amino acid content enhancement traits. The same plant which is a genetically modified organism (GMO) which has undergone gene conversion is also included.
 本発明の方法において、バショウ科植物のシガトカ病防除剤は、シガトカ病を防除するために、そのまま、又は水等で適宜希釈し、若しくは懸濁させた形でシガトカ病防除に有効な量をシガトカ病の発生した又は発生が予測されるバナナの植物体の偽茎部に注射器等の注入器を使用して注入すればよい。注入部位及び薬量はバナナの果実が成長期又はバナナ果実の収穫後であれば、残った偽茎部の地上部の地表から30cm~1m程度の任意の箇所に所定薬量を注入すればよく、この処理で成長中のバナナに発生するシガトカ病の発生を防除し、収穫後であれば、次に根茎部から出てくる新偽茎部(子株)に発生するシガトカ病も防除することができる。即ち、バナナ親株の偽茎部への薬剤処理により、親株自体のシガトカ病を防除できるだけでなく、子株に発生するシガトカ病をも防除することができる。 In the method of the present invention, the Sigatoka disease control agent of the Ganoderma family plant is used in an amount effective for controlling Sigatoka disease as it is, or appropriately diluted with water or the like, or suspended in order to control Sigatoka disease. What is necessary is just to inject | pour into the pseudostem part of the plant body of the banana plant which the disease generate | occur | produced or is estimated to generate | occur | produce using injection devices, such as a syringe. If the banana fruit is in the growing season or after harvesting the banana fruit, the injection site and the dosage should be injected at an arbitrary location about 30 cm to 1 m from the ground surface of the remaining pseudostem. This treatment controls the occurrence of Sigatoka disease that occurs in growing bananas, and if it is after harvesting, it can also control Sigatoka disease that occurs in the new pseudostem (child strain) that emerges from the rootstock. it can. That is, the chemical treatment of the pseudo stalk portion of the banana parent strain can not only control the Sigatoka disease of the parent strain itself, but also control the Sigatoka disease occurring in the child strain.
 本発明のバナナシガトカ病防除剤は通常の剤型、例えば乳剤、水和剤、顆粒水和剤、フロアブル剤、液剤等の液状剤型に製剤して使用すればよく、その処理量は、有効成分の配合割合、気象条件、製剤形態、処理時期、処理方法、処理場所等により異なるが、通常のプランテーション栽培で特によく使用される乳剤の場合、1ヘクタール当りのバナナの栽培本数は1500本~2000本程度栽培されており、一般の薬剤散布では所定薬量の薬剤をヘクタールあたり0.4l~3l散布されているので、1本当り0.2ml~2mlに相当する薬量である。本発明の防除方法ではバナナの葉鞘部に所定薬量に希釈した薬液を1本当り0.2ml~2mlの薬量を、例えば注射器等で偽茎部に注入すればよい。これは有効成分量にするとバナナの植物体1本当り60mg~400mgの範囲であるが、本願発明における量はこれに限定されるものではない。本発明の防除方法により、薬剤使用量の低減が図れ、使用者が散布の場合とは異なり使用者が薬液に暴露(一般散布の場合)されず、より安全にシガトカ病を防除することができるものである。 The banana sigatoka disease control agent of the present invention may be used by formulating it into a normal dosage form, for example, a liquid dosage form such as an emulsion, a wettable powder, a granular wettable powder, a flowable preparation, a liquid preparation, etc. The number of bananas cultivated per hectare is 1500 to 2000 in the case of emulsions that are particularly often used in normal plantation cultivation, depending on the blending ratio, weather conditions, formulation form, treatment time, treatment method, treatment location, etc. Since this is cultivated to the extent that 0.4 l to 3 l of a predetermined amount of drug is sprayed per hectare in general drug spraying, the amount corresponds to 0.2 ml to 2 ml per one. In the control method of the present invention, a drug solution diluted to a predetermined dose in the banana leaf sheath may be injected into the pseudostem with a dose of 0.2 ml to 2 ml per bottle, for example, with a syringe. This is in the range of 60 mg to 400 mg per banana plant as the amount of active ingredient, but the amount in the present invention is not limited to this. With the control method of the present invention, the amount of drug used can be reduced, and unlike the case where the user sprays the user, the user is not exposed to the chemical solution (in the case of general spraying), and the Sigatoka disease can be controlled more safely. Is.
 本発明のシガトカ病防除方法においては、上記殺菌剤以外の農園芸用殺菌剤又は農園芸用殺虫剤を適宜混合して使用することができるところ、かかる農園芸用殺菌剤又は農園芸用殺虫剤の代表的な化合物を以下に例示するが、前記農園芸用殺菌剤又は農園芸用殺虫剤はこれらに限定されるものではない。農園芸用殺菌剤としては、例えばイソプロチオラン(isoprothiolane)、トリシクラゾール(tricyclazole)、アゾキシストロビン(azoxystrobin)、ピラクロストロビン(pyraclostrobin)、プロピコナゾール(propiconazole)、有機銅(copper-8-quinolinolate)、メトミノストロビン(metominostrobin)、カルプロパミド(carpropamid)、フサライド(fthalide)、カスガマイシン(kasugamycin)、ピロキロン(pyroquilon)、プロベナゾール(probenazole)、アシベンゾラル-S-メチル(acibenzolar-S-methyl)、フルトラニル(flutolanil)、メプロニル(mepronil)、フラメトピル(furametpyr)、ペンシクロン(pencycuron)、チフルザミド(thifluzamide)、バリダマイシン(validamycin)、ジクロメジン(diclomezine)、フェリムゾン(ferimzone)、グアザチン(guazatine)、ミクロブタニル(myclobutanil)、ヘキサコナゾール(hexaconazole)、ジフェノコナゾール(difenoconazole)、ビテルタノール(bitertanol)、 In the method for controlling Sigatoka disease of the present invention, an agricultural or horticultural fungicide or an agricultural or horticultural insecticide other than the above-mentioned fungicide can be used by mixing as appropriate. However, the agricultural and horticultural fungicides or agricultural and horticultural insecticides are not limited to these. Agricultural and horticultural fungicides include, for example, isoprothiolane, tricyclazole, azoxystrobin, pyracrostrobin, propiconazole, copper-ol-8 and organic copper-ol. , Methinostrobin, carpropamide, fthalide, kasugamycin, pyroquilon, probenazole, cibenzol-S-methyl-S-methyl-S-methyl-S-methyl utolanil, mepronil, furamethpyr, pencyclone, thifluzamide, validamycin, diclomezine, ferrimzone (f). Hexaconazole, difenoconazole, bittertanol,
エポキシコナゾール(epoxiconazole)、トリアジメホン(triadimefon)、プロクロラズ(prochloraz)、フェンプロピモルフ(fenpropimorph)、トリデモルフ(tridemorph)、メタラキシル(metalaxyl)、塩基性塩化銅(copper oxychloride)、塩基性硫酸銅(basic copper sulfate)、マンコゼブ(mancozeb)、プロピネブ(propineb)、ジラム(ziram)、チウラム(thiuram)、シモキサニル(cymoxanil)、クロロタロニル(chlorothalonil)、ジフェノコナゾール(difenoconazole)、キャプタン(captan)、ポリオキシン(polyoxin)、イプロジオン(iprodione)、プロシミドン(procymidone)、ベノミル(benomyl)、チオファネート-メチル(thiophanate-methyl)、カルベンダジム(carbendazim)、ホセチル・アルミニウム(fosetyl-aluminium)、ヒメキサゾール(hymexazol)、オキソリニック酸(oxolinic acid)、フルジオキソニル(fludioxonil)、メパニピリム(mepanipyrim)、シプロジニル(cyprodinil)、ピリメタニル(pyrimethanil)、トルクロホス-メチル(tolclofos-methyl)、フェノキサニル(fenoxanil)等の農園芸用殺菌剤と混合使用することができる。 Epoxyconazole, triadimephone, prochloraz, fenpropimorph, tridemorph, metalaxyl, copper copper (p), basic copper chloride (p) sulfate, mancozeb, propineb, ziram, thiuram, cymoxanil, chlorothalonil, difenoconazole, difenoconazole, difenoconazole xin, iprodione, procymidone, benomyl, thiophanate-methyl, carbendazim, fosetyl-aluminimis Oxolinic acid, fludioxonil, mepanipyrim, cyprodinil, pyrimethanil, tolcrofos-methyl, fenoxanil and phenoxil Kill.
 農園芸用殺虫剤としては、例えばベンフラカルブ(一般名:benfuracarb)、カルボスルファン(一般名:carbosulfan)、PHC(一般名:propoxur)、フラチオカルブ(一般名:furathiocarb)、メソミル(一般名:methomyl)、NAC(一般名:carbaryl)、ベンダイオカルブ(一般名:bendiocarb)、アラニカルブ(一般名:alanycarb)、イミダクロプリド(一般名:imidacloprid)、ニテンピラム(一般名:nitenpyram)、アセタミプリド(一般名:acetamiprid)、チアメトキサム(一般名:thiamethoxam)、クロチアニジン(一般名:clothianidin)、ジノテフラン(一般名:dinotefuran)、プロパホス(一般名:propaphos)、エチルチオメトン(一般名:disulfoton)、ダイアジノン(一般名:diazinon)、トリクロルホン(一般名:trichlorfon)、フェンチオン(一般名:fenthion)、アセフェート(一般名:acephate)、 Examples of agricultural and horticultural insecticides include benfuracarb (generic name: benfurcarb), carbosulfan (generic name: carbosulfan), PHC (generic name: propoxur), furiocarb (generic name: furathiocarb), mesomil (generic name: methomyl). , NAC (generic name: carbaryl), bendiocarb (generic name: bendiocarb), alanicarb (generic name: alaniccarb), imidacloprid (generic name: nitenpyram), nitenpyram (generic name: nitenpyram), acetamiprid (generic name: aci id) , Thiamethoxam (generic name: thiamethoxam), clothianidin (generic name: clotianidin), dinotefuran (generic name: inotefuran, propofos (generic name: propaphos), ethylthiomethone (generic name: disulfon), diazinon (generic name: diazinon), trichlorfon (generic name: trichlorfon), fenthion (generic name: fenthion), acephate (generic name: acephate) ,
イソキサチオン(一般名:isoxathion)、イソフェンホス(一般名:isofenphos)、クロルピリホス-メチル(一般名:chlorpyrifos-methyl)、クロルフェンビンホス(一般名:chlorfenvinphos)、ジメトエート(一般名:dimethoate)、ホノホス(一般名:fonofos)、ピリダフェンチオン(一般名:pyridafenthion)、モノクロトホス(一般名:monocrotophos)、カルタップ(一般名:cartap)、チオシクラム(一般名:thiocyclam)、ベンスルタップ(一般名:bensultap)シクロプロトリン(一般名:cycloprothrin)、エトフェンプロックス(一般名:etofenprox)、シラフルオフェン(一般名:silafluofen)、テフルトリン(一般名:tefluthrin)、ブプロフェジン(一般名:buprofezin)、フルフェノクスロン(一般名:flufenoxuron)、 Isoxathion (generic name: isoxathion), isofenphos (generic name: isofenphos), chlorpyrifos-methyl (generic name: chlorpyrifos-methyl), chlorfenvinphos (generic name: chlorfenvinphos), dimethoate (generic name: dimethoate), honophos (generic name: dimethoate) Name: fonofos), pyridafenthion (generic name: pyrifafention), monocrotofos (generic name: monocrotophos), cartap (generic name: cartap), thiocyclam (generic name: thiocyclam), bensultap (generic name: bensultap) cycloprotoline (generic name: bensultap) Name: cycloprothrin), etofenprox (generic name: etofenprox), Rafuruofen (generic name: silafluofen), tefluthrin (generic name: tefluthrin), buprofezin (generic name: buprofezin), flufenoxuron (generic name: flufenoxuron),
シロマジン(一般名:cyromazine)、ルフェニュロン(一般名:lufenuron)、テブフェノジド(一般名:tebufenozide)、メトキシフェノジド(一般名:methoxyfenozide)、クロマフェノジド(一般名:chromafenozide)、オキサミル(一般名:oxamyl)、ピラクロホス(一般名:pyraclofos)、ホスチアゼート(一般名:fosthiazate)、フェンピロキシメート(一般名:fenpyroximate)、フィプロニル(一般名:fipronil)、エンドサルファン(一般名:endosulfan)、メタアルデヒド(一般名:metaldehyde)、エマメクチン安息香酸塩(一般名:emamectine-benzoate)、スピノサド(一般名:spinosad)、クロルフェナピル(一般名:chlorfenapyr)、インドキサカルブ(一般名:indoxacarb)等と混合して使用することができる。 Cyromazine (generic name: cyromazine), rufenuron (generic name: lufenuron), tebufenozide (generic name: tebufenozide), methoxyphenozide (generic name: methoxyfenozide) (generic name: chromofenomide) General name: pyraclofos), Phostiazate (generic name: fosthiazate), Fenpyroximate (generic name: fenproximate), Fipronil (generic name: fipronil), Endosulfan (generic name: endosulfan), Methaldehyde (general name: metaldehyde), Ememactin Benzoate (generic name: emanectine-benzoate) Spinosad (common name: spinosad), chlorfenapyr (common name: chlorfenapyr), indoxacarb (common name: indoxacarb), etc. mixed to be able to use.
 以下に本発明の代表的な処方例及び試験例を例示するが、本発明はこれらに限定されるものではない。尚、処方例又は試験例中、部とあるのは重量部を示す。
処方例1.
 本発明のシガトカ病防除剤の有効成分        50部
 キシレン                     40部
 ポリオキシエチレンノニルフェニルエーテルと
 アルキルベンゼンスルホン酸カルシウムとの混合物  10部
 以上を均一に混合溶解して乳剤とする。
Although the typical formulation example and test example of this invention are illustrated below, this invention is not limited to these. In the prescription examples or test examples, “parts” means “parts by weight”.
Formulation Example 1
Active ingredient of Sigatoka disease control agent of the present invention 50 parts Xylene 40 parts Mixture of polyoxyethylene nonylphenyl ether and calcium alkylbenzenesulfonate 10 parts The above is uniformly mixed and dissolved to prepare an emulsion.
処方例2.
 本発明のシガトカ病防除剤に有効成分        30部
 ソルポール3105(東邦化学工業製)        5部
 プロピレングリコール                5部
 ロドポール(ローヌ・プーラン社製)         2部
 水                        58部
 以上を均一に混合し、水に分散させてフロアブル剤とする。
処方例3.
 イソチアニル                   15部
 ソルポール3105                 5部
 プロピレングリコール                5部
 ロドポール                     2部
 水                        73部
 以上を均一に混合し、水に分散させてフロアブル剤とする。
Formulation Example 2
30 parts Solpol 3105 (manufactured by Toho Chemical Co., Ltd.) 5 parts Propylene glycol 5 parts Rhodopol (manufactured by Rhone-Poulenc) 2 parts Water 58 parts or more uniformly mixed and dispersed in water And flowable.
Formulation Example 3
Isotianil 15 parts Sorpol 3105 5 parts Propylene glycol 5 parts Rhodopol 2 parts Water 73 parts The above is uniformly mixed and dispersed in water to obtain a flowable agent.
試験例1.各種薬剤の注入処理によるバナナのシガトカ病防除試験。
 シガトカ病の発生始期のバナナに、チアジニル及び化合物Aは処方例2、イソチアニルは処方例3のそれぞれフロアブル剤を、ピラクロストロビンは市販品の25%乳剤を、そしてマンコゼブは市販品の80%水和剤を所定薬量となるように水で希釈し、親偽茎部に改良した100mlの注射器で地上部50cm程度の箇所に1株当たり希釈液10mlを注入し、薬剤処理後16日目から約2週間ごとに健全な機能葉の枚数を算出した。1区20連制。
 尚、親偽茎処理区の機能葉の枚数は同じ根部から出る子偽茎の機能葉の枚数を示す。
 結果を第1表に示す。
Test Example 1 Sigatoka disease control test of banana by injection treatment of various drugs.
In banana at the beginning of Sigatoka's disease, thiazinyl and compound A were flowables of Formulation Example 2, isothianyl was flowables of Formulation Example 3, pyraclostrobin was a commercial 25% emulsion, and mancozeb was commercial 80% water. Dilute the Japanese medicine with water to the prescribed dosage, and inject 10ml of diluted solution per strain into a site of about 50cm above the ground with a modified 100ml syringe at the parent pseudostem. The number of healthy functional leaves was calculated about every 2 weeks. 1 ward 20 continuous system.
Note that the number of functional leaves in the parent pseudostem-treated section indicates the number of functional leaves of the child pseudostem that comes from the same root.
The results are shown in Table 1.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
 本試験結果から、抵抗性誘導剤であるチアジニル、イソチアニル及び化合物A、並びに浸透性殺菌剤であるピラクロストロビンの親株の偽茎部への注入処理区では、無処理区に比して、長期にバナナシガトカ病の発病及び進展が抑制され、多くの機能葉が保持されており、その防除効果は顕著なものであり、バナナの生育には支障のない状態が長期に維持されていた。一方、接触型殺菌剤であるマンコゼブは同様の処理方法において、機能葉の枚数は無処理と同程度であり、防除効果を示さなかった。 From the results of this test, the resistance treatment agents thiazinyl, isotianil and compound A, and the penetrating fungicide, pyraclostrobin, which were injected into the parent stalk of the parent strain, were treated for a longer time than in the untreated group. On the other hand, the onset and progress of banana shiga toka disease were suppressed, many functional leaves were retained, the control effect was remarkable, and the state without hindrance to banana growth was maintained for a long time. On the other hand, Mancozeb, which is a contact-type disinfectant, had the same number of functional leaves as in the case of no treatment, and did not show a controlling effect.
 即ち、抵抗性誘導剤または浸透性殺菌剤による、本発明の防除方法は、植物体全体におけるバナナシガトカ病による被害を抑える顕著な防除効果を奏することが明らかである。又、本発明の防除方法は、親株の偽茎部への処理において次世代の植物体におけるシガトカ病の発生を抑制できるという格別な効果を奏するものであることも明らかである。 That is, it is apparent that the control method of the present invention using a resistance inducer or a penetrating fungicide exhibits a remarkable control effect of suppressing damage caused by banana sigatoka disease in the entire plant body. It is also clear that the control method of the present invention has a special effect that the generation of Sigatoka disease in the next-generation plant body can be suppressed in the treatment of the parent strain with the pseudostem.
試験例2.チアジニルによるバナナ生長期に発生するシガトカ病防除試験
 シガトカ病の発生始期のバナナに処方例2の製剤処方の薬剤(有効成分:チアジニル)を水で5倍に希釈した薬液2mlを子株又は親株の偽茎部に注射器で地上部1m程度の高さの箇所に注入し、薬剤処理後11日目から一株当たりの機能葉(健全に機能している葉)の総枚数を算出し、その後1週間毎に9週間同様に算出した(1区4連制)。尚、親偽茎処理区の機能葉の枚数は同じ根部から出る子偽茎の機能葉の枚数を示す。
 結果を第2表に示す。
Test Example 2 Test for controlling Sigatoka disease that occurs during banana growth period with thiazinyl 2 ml of chemical solution in which the drug (active ingredient: thiazinyl) of prescription example 2 was diluted 5 times with water to banana at the beginning of Sigatoka disease development Inject into the stem about 1m above the ground with a syringe, and calculate the total number of functional leaves (sanely functioning leaves) per strain from the 11th day after the chemical treatment. The calculation was performed in the same manner for 9 weeks every time (1 ward, 4 systems). Note that the number of functional leaves in the parent pseudostem-treated section indicates the number of functional leaves of the child pseudostem that comes from the same root.
The results are shown in Table 2.
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
 本試験結果から、チアジニル注入処理区は無処理区に比して親株の偽茎部への注入処理でも子株の偽茎部への注入処理でも長期にバナナシガトカ病の発病及び進展を抑制し、機能葉は12枚以上維持されており、その防除効果は顕著なものであり、バナナの生育には支障のない状態が長期に維持されていた。即ち、本発明の防除方法は、植物体全体におけるシガトカ病による被害を抑える効果を奏することが明らかになった。また、本発明の防除方法は、親株の偽茎部への処理において次世代の植物体におけるシガトカ病の発生を抑制できるという格別な効果を奏するものであることも明らかになった。 From the results of this test, the thiazinyl infusion treatment group suppressed the onset and progression of banana shigatoka disease over a long period of time, both in the parent stem pseudo-stem injection and in the child strain pseudo-stem injection treatment, compared to the non-treatment group. 12 or more leaves were maintained, the control effect was remarkable, and the state which does not hinder banana growth was maintained for a long time. That is, it was revealed that the control method of the present invention has an effect of suppressing damage caused by Sigatoka disease in the whole plant body. Moreover, it became clear that the control method of this invention has the special effect that generation | occurrence | production of the Sigatoka disease in a next-generation plant body can be suppressed in the process to the pseudostem part of a parent strain.
試験例3.
 試験例2と同じ薬剤を同様な方法で処理した。処理の効果の指標として、上部の最も新しい葉より数えた最も若い感染葉の位置までの健全葉の1株当たりの枚数を算出した(1区4連制)。尚、親偽茎処理区の健全葉数は同じ根部から出る子偽茎の健全葉数を示す。結果を第3表に示す。
Test Example 3
The same drug as in Test Example 2 was treated in the same manner. As an index of the effect of the treatment, the number of healthy leaves per strain up to the position of the youngest infected leaf counted from the newest leaf at the top was calculated (1 ward 4 continuous system). In addition, the number of healthy leaves in the parent pseudostem treatment section indicates the number of healthy leaves of the child pseudostem that comes from the same root. The results are shown in Table 3.
Figure JPOXMLDOC01-appb-T000003
Figure JPOXMLDOC01-appb-T000003
 シガトカ病の感染の潜伏期間が3週間乃至2ケ月程度であり、無処理区では、バナナの生育期に必要な機能葉は感染のため枚数が少なくなり、充分生育できなかった。これに対して、本発明の有効成分の一つであるチアジニルによる防除方法を実施した区では、シガトカ病防除剤の注入処理によりシガトカ病の感染の拡大を抑えることができ、その結果、健全葉の数が増え、バナナは充分生育し、高い品質が維持されていた。また、その防除効果も薬剤処理後60日間維持されるものであった。
 更に、従来の慣行防除に比して散布回数、薬量の低減が図られ、散布者及び環境への負荷が低減されるものである。
The incubation period of Sigatoka disease infection was about 3 weeks to 2 months, and in the untreated area, the number of functional leaves necessary for the growing season of bananas decreased due to the infection and could not grow sufficiently. On the other hand, in the section where the control method with thiazinyl which is one of the active ingredients of the present invention is implemented, the spread of Sigatoka disease can be suppressed by the injection treatment of the Sigatoka disease control agent. The number of bananas increased, bananas grew well, and high quality was maintained. Moreover, the control effect was also maintained for 60 days after the chemical treatment.
In addition, the number of spraying and the amount of medicine can be reduced as compared with conventional practice control, and the burden on the sprayer and the environment is reduced.

Claims (19)

  1.  シガトカ病が発生している又は発生が予測されるバショウ科植物の植物体の偽茎部(葉鞘部)に有効量のシガトカ病防除剤を注入処理して、前記バショウ科植物の植物体に発生するシガトカ病を防除することを特徴とする、シガトカ病の防除方法。 An effective amount of a Sigatoka disease control agent is injected into the pseudostem (leaf sheath) of a plant of the plantaceae plant in which Sigatoka disease has occurred or is predicted to occur, and the plant is generated in the plant of the plant family A method for controlling Sigatoka disease, comprising controlling Sigatoka disease.
  2.  シガトカ病防除剤が抵抗性誘導剤又は浸透性殺菌剤である請求項1記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 1, wherein the Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
  3.  抵抗性誘導剤がチアジニル、イソチアニル、化合物A(2’,4’-ジメトキシ-4-シクロプロピル-1,2,3-チアジアゾール-5-カルボキサニリド)、アシベンゾラル-S-メチル、カルプロパミド、プロベナゾール、サリチル酸、ジクロロニコチン酸である請求項2記載のシガトカ病の防除方法。 The resistance inducer is thiazinyl, isothianyl, compound A (2 ′, 4′-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide), acibenzoral-S-methyl, carpropamide, probenazole, salicylic acid, The method for controlling Sigatoka disease according to claim 2, which is dichloronicotinic acid.
  4.  抵抗性誘導剤がチアジニル、イソチアニル又は化合物A(2’,4’-ジメトキシ-4-シクロプロピル-1,2,3-チアジアゾール-5-カルボキサニリド)である請求項1乃至3いずれか1項記載のシガトカ病の防除方法。 The resistance-inducing agent is thiazinyl, isotianil or compound A (2 ', 4'-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide) according to any one of claims 1 to 3. How to control Sigatoka disease.
  5.  浸透性殺菌剤がストロビルリン系殺菌剤である請求項2記載のシガトカ病の防除方法。 3. The method for controlling Sigatoka disease according to claim 2, wherein the permeable fungicide is a strobilurin fungicide.
  6.  ストロビルリン系殺菌剤がアゾキシストロビン、メトミノストロビン、ピコキシストロビン、ピラクロストロビン、フルオキサストロビン、ジモキシストロビン又はオリサストロビンである請求項2又は5記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 2 or 5, wherein the strobilurin-based fungicide is azoxystrobin, metminostrobin, picoxystrobin, pyraclostrobin, fluoxastrobin, dimoxystrobin or orisatrobin.
  7.  浸透性殺菌剤がアゾール系殺菌剤である請求項2記載のシガトカ病の防除方法。 3. The method for controlling Sigatoka disease according to claim 2, wherein the permeable fungicide is an azole fungicide.
  8.  アゾール系殺菌剤がテブコナゾール、ジフェノコナゾール、プロピコナゾール、シプロコナゾール、フルシラゾール、ミクロブタニル、フルトリアホール、トリアジメノール、ヘキサコナゾール、ペンコナゾール、ジニコナゾール、トリアジメホン、イプコナゾール、ブロムコナゾール、シメコナゾール、イミベンコナゾール、プロチオコナゾール又はイマザリルである請求項7記載のシガトカ病の防除方法。 The azole fungicides are tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadienol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole, imibenconazole The method for controlling Sigatoka disease according to claim 7, which is prothioconazole or imazalyl.
  9.  バショウ科植物がバナナである請求項1記載のシガトカ病の防除方法。 The method for controlling sigatoka disease according to claim 1, wherein the plantaceae is a banana.
  10.  シガトカ病がMycosphaerella musicolaに起因するシガトカ病である請求項1乃至9いずれか1項記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to any one of claims 1 to 9, wherein the Sigatoka disease is a Sigatoka disease caused by Mycosphaerella musicola.
  11.  シガトカ病がMycospharella fijiensisに起因するシガトカ病である請求項1乃至9いずれか1項記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to any one of claims 1 to 9, wherein the Sigatoka disease is a Sigatoka disease caused by Mycospharella fijiensis.
  12.  シガトカ病が発生している又は発生が予測されるバナナ親株の偽茎部(葉鞘部)に有効量のシガトカ病防除剤を注入処理して、前記バナナ親株のバナナ子株に発生するシガトカ病を防除することを特徴とする、バナナ子株のシガトカ病の防除方法。 An effective amount of a Sigatoka disease control agent is injected into the pseudostem (leaf sheath) of a banana parent strain where Sigatoka disease has occurred or is predicted to occur, thereby controlling Sigatoka disease occurring in the banana parent strain of the banana parent strain. A method for controlling sigatoka disease of a banana stock.
  13.  シガトカ病防除剤が抵抗性誘導剤又は浸透性殺菌剤である請求項12記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 12, wherein the Sigatoka disease control agent is a resistance inducer or a penetrating fungicide.
  14.  抵抗性誘導剤がチアジニル、イソチアニル、化合物A(2’,4’-ジメトキシ-4-シクロプロピル-1,2,3-チアジアゾール-5-カルボキサニリド)、アシベンゾラル-S-メチル、カルプロパミド、プロベナゾール、サリチル酸、ジクロロニコチン酸である請求項13記載のシガトカ病の防除方法。 The resistance inducer is thiazinyl, isothianyl, compound A (2 ′, 4′-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide), acibenzoral-S-methyl, carpropamide, probenazole, salicylic acid, The method for controlling Sigatoka disease according to claim 13, which is dichloronicotinic acid.
  15.  抵抗性誘導剤がチアジニル、イソチアニル又は化合物A(2’,4’-ジメトキシ-4-シクロプロピル-1,2,3-チアジアゾール-5-カルボキサニリド)である請求項14記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 14, wherein the resistance inducer is thiazinyl, isotianil or compound A (2 ', 4'-dimethoxy-4-cyclopropyl-1,2,3-thiadiazole-5-carboxanilide).
  16.  浸透性殺菌剤がストロビルリン系殺菌剤である請求項14記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 14, wherein the permeable fungicide is a strobilurin fungicide.
  17.  ストロビルリン系殺菌剤がアゾキシストロビン、メトミノストロビン、ピコキシストロビン、ピラクロストロビン、フルオキサストロビン、ジモキシストロビン又はオリサストロビンである請求項16記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 16, wherein the strobilurin-based fungicide is azoxystrobin, metminostrobin, picoxystrobin, pyraclostrobin, fluoxastrobin, dimoxystrobin or orisatrobin.
  18.  浸透性殺菌剤がアゾール系殺菌剤である請求項13記載のシガトカ病の防除方法。 The method for controlling Sigatoka disease according to claim 13, wherein the permeable fungicide is an azole fungicide.
  19.  アゾール系殺菌剤がテブコナゾール、ジフェノコナゾール、プロピコナゾール、シプロコナゾール、フルシラゾール、ミクロブタニル、フルトリアホール、トリアジメノール、ヘキサコナゾール、ペンコナゾール、ジニコナゾール、トリアジメホン、イプコナゾール、ブロムコナゾール、シメコナゾール、イミベンコナゾール、プロチオコナゾール又はイマザリルである請求項18記載のシガトカ病の防除方法。 The azole fungicides are tebuconazole, difenoconazole, propiconazole, cyproconazole, flusilazole, microbutanyl, flutriahol, triadienol, hexaconazole, penconazole, diniconazole, triadimephone, ipconazole, bromconazole, cimeconazole, imibenconazole The method for controlling Sigatoka disease according to claim 18, which is prothioconazole or imazalil.
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WO2022229344A1 (en) * 2021-04-29 2022-11-03 Gowan Crop Protection Limited Methods of controlling causal agents of black and yellow sigatoka and compositions for the same

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