CN117562071A - Method for controlling or preventing infestation of plants by phytopathogenic fungi - Google Patents
Method for controlling or preventing infestation of plants by phytopathogenic fungi Download PDFInfo
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- CN117562071A CN117562071A CN202311354597.5A CN202311354597A CN117562071A CN 117562071 A CN117562071 A CN 117562071A CN 202311354597 A CN202311354597 A CN 202311354597A CN 117562071 A CN117562071 A CN 117562071A
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- A01N45/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a method for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of pyriform, fusarium, viridin, ergot, botrytis, vermicularia, anthrax, puccinia, downy mildew and powdery mildew, comprising applying a compound of formula (i) to the plants, the locus thereof, or propagation material thereof.
Description
Technical Field
The present invention is in the field of plant protection, and in particular relates to a method for controlling or preventing infestation of plants by phytopathogenic fungi.
Background
Pityrosporum species (Mgnaport) are an important class of plant pathogens that can infect a variety of Gramineae and Cyperaceae plants in addition to rice blast caused by infection of rice. Wherein the Botrytis cinerea is a fungus which can cause rice blast on rice. Rice blast can occur in the whole growth period of rice, and is harmful to seedlings, leaves, ears, nodes and the like, and is respectively called seedling plague, leaf plague, ear plague and node plague. The disease is a destructive fungal disease on rice, the epidemic year is generally reduced by 10-20%, the weight is 40-50%, and local field blocks and even particles are not harvested. If left uncontrolled, sorghum ergot can lead to serious plant losses and reduced yields.
Fusarium sp. species such as Fusarium pseudograminearum (Fusarium pseudograminearum), fusarium yellow (Fusarium culmorum), fusarium graminearum (Fusarium graminearum), fusarium avenae (Fusarium avenaceum), fusarium moniliforme (Fusarium moniliforme), fusarium yellow (Fusarium culmorum), fusarium tax (Fusarium acuminatum) and the like are fungal pathogens that cause wheat scab, wheat stalk based rot on wheat, especially Fusarium graminearum (Fusarium graminearum). If the wheat is not controlled, the thousand comprehensive grain weight of the damaged wheat is reduced, the germination rate is reduced, the germination vigor is weakened, the flour yield is low, the flour quality is poor, the color is dark, and the commodity value is reduced. Meanwhile, the disease wheat contains vomit-causing toxins, estrogen-like toxins and the like, and can cause acute poisoning after people and livestock eat the disease wheat. The wheat grain contains toxins such as deoxynivalenol and zearalenone, and can also cause abortion after poisoning of pregnant female animals. Meanwhile, the rice and wheat seed can also infect cereal crops such as barley (Hordeum vulgare), rice (Oryza sativa), oat (Arena sativa) and the like.
The genus Rhizoctonia (Utilimagiideavirens) is a fungus that causes false smut on rice. The disease occurs only in the ears, the part of the grain on the pest rice ears. The method comprises the steps of exposing light yellow green small fungus blocks at joints of glumes, expanding gradually, finally wrapping the whole glumes, forming the glumes into dark green or olive, and finally cracking and spreading dark green powder. The false smut is a main disease of rice, is distributed in a rice production area of the world, has a common morbidity of 3-5%, has a serious morbidity of more than 30%, can reduce the yield by 20-30%, and can cause harm to people and livestock due to the production of false smut. If not controlled, false smut can cause serious plant loss and yield reduction, and harm to human and livestock health.
Ergot milo (Clavicepssorghi) is a fungal disease that causes ergot disease in sorghum. The disease initially manifests as dark green and crinkled symptoms on the ovary, with white hyphal stroma on the basal surface of the ovary. Gradually expands upwards to transform the ovary into a fungus stroma. The symptoms on the surface of the stroma are 5-10 days after infection, and pink and light brown honeydew is secreted from the infected ovary. At present, other effective prevention and treatment measures are not available except for disease-resistant varieties. If left uncontrolled, sorghum ergot can lead to serious plant losses and reduced yields.
Botrytis cinerea is a broad-host fungal pathogen, can cause gray mold of tomatoes on tomatoes, and can cause cataplexy, fallen leaves, flower rot, rotten fruits and rotten pits of various plant seedlings, fruits and storage organs of eggplants, lettuce, spinach, cucumbers, sweet peppers, strawberries, sunflower, beans, lettuce and the like. If left uncontrolled, botrytis cinerea can lead to serious plant losses and reduced yields.
Helminth (exserohilum) is a fungal pathogen that infects corn causing damage, causing corn northern leaf blight. The pathogen penetrates the epidermis of the host plant by using expansion pressure and physical mechanical force through generating a special cell structure-attachment cell, so that the infection process is completed, and the corn yield is influenced. If left uncontrolled, corn northern leaf blight can result in serious plant loss and yield loss.
The vermicular spore bacteria (Helminthosporium maydis) is a fungal pathogen causing corn small spot disease in corn, and is mainly harmful to corn leaves, leaf sheaths, bracts and ears, and can occur in the whole growth period of the corn so as to cause serious disease in the emasculation period and the grouting period. If left uncontrolled, corn small spot can result in serious plant loss and reduced yield.
Colletotrichum gloeosporioides (Colletotrichum gloeosporioides) is a fungal pathogen that causes apple anthracnose on apples, mainly harms fruits, and can also attack fruit coats and branches. Besides apples, the apple-shaped plant can also infect various fruit trees such as crabapple, pears, grapes, peaches, walnuts, haws, persimmon, dates, chestnut, oranges, litchis, hangzhou fruits and the like, and trees such as locust. If left uncontrolled, apple anthracnose can result in serious plant loss and reduced yield.
The colletotrichum truncatum (Colletotrichum truncatum) is a fungal pathogen causing colletotrichum truncatum on soybeans, and can cause diseases from seedling stage to mature stage, and cotyledons, leaves, petioles, stems, pods and seeds can be damaged. Soybean anthracnose is one of important diseases in soybean producing areas in the world, and if the soybean anthracnose is not controlled, serious yield reduction of soybean can be caused.
Rust (Puccinia striiformis) is a fungal pathogen that causes stripe rust on wheat. The disease can possibly occur from the emergence to the maturity of wheat, and the main part of the damage is leaves, leaf sheaths and stems, and the tissues such as scions, glumes, miscanthus and the like are also infected. Wheat stripe rust is one of the most important wheat diseases worldwide, is also an important biological disaster affecting the safe production of Chinese wheat, and the pandemic year can lead to the reduction of the wheat yield by more than 40 percent, even the harvest is out of order.
Puccinia polytricha (Puccinia polysoraUnderw) is a fungal pathogen that causes southern rust in corn on corn, occurs primarily on corn leaves, and is also capable of infecting leaf sheaths, stalks and bracts. If left uncontrolled, southern rust can result in serious plant loss and reduced yield.
Pseudoperonospora cubensis (pseudoperonospora cubensis) is an oomycete pathogen which causes cucumber downy mildew on cucumbers, and most of the leaves of the cucumbers can be withered and yellow in Tian Yipian within one or two weeks after the occurrence of the disease. If left uncontrolled, cucumber downy mildew can lead to serious plant losses and reduced yields.
Powdery mildew (Erysiphe cichoracearum) is a fungal pathogen causing powdery mildew of cucumbers, and is usually severe in the middle and later stages of growth, so that leaves are dried up and even pulled up in advance, and the powdery mildew can harm zucchini, pumpkin, muskmelon and the like besides the cucumbers. If left uncontrolled, powdery mildew of cucumber can lead to serious plant losses and reduced yields.
These diseases have an adverse effect on agricultural yield and thus there is a need to provide effective alternatives to the common practice to control or prevent these diseases in vegetables, fruits, grain plants. Accordingly, the present invention further provides a method for controlling or preventing infestation of vegetables, fruits, food plants by phytopathogenic fungi causing diseases such as wheat scab, wheat stem rot, false smut, tomato and strawberry gray mold, corn leaf spot, corn small spot, apple and grape anthracnose, wheat stripe rust, corn southern rust, cucumber downy mildew and cucumber powdery mildew.
Disclosure of Invention
The invention is based on the related research and screening of the drug target protein MSec24-2 in plants by the inventor, and the compound with the formula (I) has broad-spectrum control effect, so that the technical problems are solved.
The present invention provides a method for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of Pyricularia, fusarium, rhizoctonia, clavipita, botrytis, helminthosporium, anthrax, puccinia, peronospora and Erysiphe, comprising applying a compound of formula (I) or an agrochemically active salt thereof to a plant, to a locus thereof, or to propagation material thereof,
preferably, wherein the plant is selected from the group consisting of wheat, barley, rice, sorghum, oat, tomato, strawberry, grape, soybean, pepper, potato, corn, apple, cucumber, melon, okra, spinach, lettuce, asparagus, cabbage, carrot, onion, pepper, pear, peach, walnut, hawthorn, persimmon, jujube, chestnut, citrus, litchi, pumpkin, and cotton.
More preferably, wherein the phytopathogenic fungus is selected from the group consisting of pyriform, fusarium, viridin, ergot, botrytis, vermicularia, anthrax, puccinia, downy mildew and powdery mildew, and wherein the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, corn, apple, pear, cucumber and cotton.
More preferably, wherein the phytopathogenic fungus is Pyricularia oryzae, fusarium graminearum or Bacillus anthracis and the plant is wheat, rice or soybean.
The invention also provides the use of a compound of formula (I) or an agrochemically active salt thereof for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of Pityrosporum, fusarium, rhizoctonia, clavipita, botrytis, helminthosporium, leptosporium, anthrax, puccinia, peronospora and Erysiphe.
Preferably, wherein the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber, and cotton.
The present invention also provides a method for growing plants comprising treating the propagation material thereof with a compound of formula (i) or an agrochemically active salt thereof for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of pyriform, fusarium, viridans, ergot, botrytis, vermicularia, anthrax, puccinia, downy mildew and powdery mildew.
Preferably, wherein the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber, and cotton.
The invention also provides the use of a compound of formula (I) or an agrochemically active salt thereof for the preparation of a medicament for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of Pityrosporum, fusarium, rhizoctonia, clavipita, botrytis, helminthosporium, leptosporum, anthrax, puccinia, peronospora and Erysiphe.
Preferably, the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber, and cotton.
Thus, the compounds of formula (I) provide an important new solution for farmers to control or prevent infestation of vegetables, fruits, grain plants by diseases such as wheat scab, false smut, sorghum ergot, wheat stem rot, tomato and strawberry gray mold, corn leaf spot, apple and grape anthracnose, wheat stripe rust, corn southern rust, cucumber downy mildew and cucumber powdery mildew.
The compounds of formula (I) may be used as such or in the form of their agrochemically active salts. Agrochemical active salts include base addition salts of inorganic and organic bases. Such as potassium, sodium, ammonium, dimethylamine, isopropylamine, and the like.
Control as used herein includes protective, therapeutic and eradication treatments for phytopathogenic fungi.
Application to plants is understood to mean application to all parts and organs of plants above and below ground, such as shoots, leaves, needles, stems, flowers, fruit bodies, fruits, seeds, roots, tubers and rhizomes. Also includes application to cultivation sites, storage sites, transportation sites, and the like. Also included are applications to harvest material and vegetative and generative propagation material, such as cuttings, tubers, rhizomes, cuttings and seeds.
The phytopathogenic fungi which can be controlled according to the invention include:
powdery mildew pathogens such as a species of the genus Blumeria (Blumeria), for example Blumeria gramineae (Blumeriagaramis); the genus Uncaria (Uncinula) species, such as Erysiphenecator;
rust pathogens, e.g. of the genus Ruscus (Gymnosporium), e.g. Ruscus fuscus
(gyrnosporaginumsabinae); the genus Phakopsora (Phakopsora) such as Phakopsora pachyrhizi; puccinia genus (Puccinia) species, such as Puccinia cerealis (Puccinia recondita), pucciniaziensis (Pucciagarminis) or Pucciagaminis (Puccinia striiformis);
leaf blight (leaf blast) pathogen and She Weinian (leaf wilt) pathogen: such as Alternaria species, e.g., alternaria species (Alternaria solani); cercospora (Cercospora) species, such as Cercospora betana (Cercospora); genus species of the genus Xylosporium (Cochliobius), such as, for example, xylosporium graminearum (Cochliobolus sativus) (conidial form: helminthosporum (Drechslera)), synonym: helminthosporum (Helminthosporum)) or Xylosporium palustris (Cochliobolusmiyabeam); anthrax (Colletotrichum) genus species, such as bean anthrax (Colletotrichum lindemuthanium); callicarpa species (Glomerella), such as periclase (Glomerella cingulata); genus species of the genus Brevibacterium (Guignardia), such as Brevibacterium (Guignardia bidwelli); a species of the genus Rhizoctonia (Ustilaginoidea), such as Rhizoctonia oryzae (Ustilaginoidea virens); ergot (Claviceps) genus species, such as, for example, ergot miltiorrhizae (Claviceps solgii); the genus megacrust (Magnaporthe) species, such as gray megacrust (Magnaporthe grisea); a species of the genus Mycosphaerella (Mycosphaerella), such as wheat leaf blight (zymosporiatritici); the genus Phaeosphaeria, such as Septoria nodorum (Phaeosphaeria nodorum); a species of the genus Pyrenophora (Pyrenophora), such as Pyrenophora teres (Pyrenophora teres) or Pyrenophora elytrigidifolia (Pyrenophora repentis); corallospora (Rhynchosporium) species, such as, for example, corallospora rye (Rhynchosporium secalis); a species of the genus Sclerotinia (Stagonospora), such as wheat leaf spot fungus (Stagonospora nodorum); a species of the genus cladosporium (venturi), such as cladosporium apple (Venturia inaequalis);
Panicle or panicle disease (including corn cob) caused by the following pathogens: such as Alternaria species (Alternaria species), such as Alternaria species (Alternaria spp.); cladosporium species, such as Cladosporium Cladosporium species; ergot (Claviceps) species, such as ergot (Claviceps purpurea); fusarium species, such as Fusarium yellow (Fusarium culmorum); gibberella (Gibberella) genus species, such as Gibberella zeae; small line crust (Monographella) species, such as snow rot small line crust (Monographella nivalis); a species of the genus Sclerotinia, such as wheat leaf spot fungi;
fruit rot caused by the following pathogens: for example, botrytis species, such as Botrytis cinerea; species of the genus streptococci (monilia), such as, for example, streptococci (monilia) species; sclerotinia species, such as Sclerotinia (Sclerotinia sclerotiorum); a Verticillium species, such as Verticillium black and white (Verticilium alboatrum);
seed-and soil-borne rot and wilt diseases, and seedling diseases, caused by: such as Alternaria species, e.g., alternaria brassicae (Alternaria brassicicola); genus Ascochyta (Ascochyta) species, such as Ascochyta (Ascochytalis); cladosporium species, such as Cladosporium herbarum (Cladosporium herbarum); genus Proteus (Cochliobius) species, such as Proteus gramineus (Cochliobolus sativus) (conidium form: helminthosporium (Drechslera), helminthosporium (Bipolaris) synonym: helminthosporium (Helminthosporium)); anthrax (Colletotrichum) genus species, such as Colletotrichum lanuginosum (Colletotrichum coccodes); fusarium species, such as Fusarium yellow (Fusarium culmorum); gibberella (Gibberella) genus species, such as Gibberella zeae; a genus species of the genus aschersonia (Macrophomina), such as aschersonia phaseoloides (Macrophomina phaseolina); phoma (Phoma) species, such as Phoma nigrum (Phoma lingam); phomopsis (Phomopsis) genus species, such as Phomopsis sojae; a species of the genus Pyrenophora (Pyrenophora), such as Pyricularia gracilis (Pyrenophora graminea); pyricularia species, such as Pyricularia oryzae (Pyricularia oryzae); rhizoctonia (Rhizoctonia) species, such as Rhizoctonia solani (Rhizoctonia solani); rhizopus (Rhizopus) species, such as Rhizopus oryzae (Rhizopus oryzae); a Septoria (Septoria) species, such as Septoria nodorum (Septoria nodorum); verticillium species, such as Verticillium dahliae (Verticillium dahliae);
Diseases of plant tubers caused by the following pathogens: such as Rhizoctonia species, such as Rhizoctonia solani (Rhizoctonia solani); helminthosporium species, such as Helminthosporium solani (Helminthosporium solani);
diseases of the leaves, stems, pods and/or seeds of soybean caused by: for example, alternaria leaf spot (Alternaria leaf spot) (Alternaria spec. Atransylvania), anthracnose (Anthracnose) (Colletotrichum gloosporides dematuum), brown spot (soybean septoria (Septoria glycines)), cercospora leaf spot and leaf blight (Cercospora leaf spot and blight) (Cercospora kuchii), dactylophora leaf spot (Dactuliospora Glycyrrhiza), soybean downy mildew (downy mildew) (Peronospora schcata), inner navel vermicula wilt (drechslera blight) (Drechsleglabra), soybean gray spot (frogeye leaf spot) (soybean tail (Cecosuja)), sphaerotheca leaf spot (leptosphaerulina leaf spot) (Trifolium microshell (Lecospora and leaf spot), and leaf spot (36) (Phascospora), and leaf spot (Rhizoctonia), and leaf spot (36) (Phascospora muriana), and leaf spot (Phascospora (36) (Phascospora).
Preferably, the phytopathogenic fungi are selected from the group consisting of Botrytis cinerea, pyricularia oryzae, clavipita miltiorum, septoria sojae, rhizoctonia solani, puccinia graminis, blumeria graminis, botrytis cinerea, alternaria solani, cercospora spinosa, cercospora vinifera (Guignardia bidwelllii), gray crust, rhizoctonia cerealis, septoria glumae, rhizoctonia cerealis, verticillium caligenes, alternaria mali, sclerotinia sclerotiorum and Sclerotinia sclerotiorum.
More preferably, the phytopathogenic fungus is selected from the group consisting of Pyricularia, fusarium pseudograminearum, fusarium yellow, fusarium oxysporum, fusarium graminearum, rhizoctonia solani, botrytis cinerea, helminthosporum longum, anthrax colletotrichum, leptosphaeria crenata, leptosphaera bardanum, leptosphaera dorsiformis, pseudomonas cubeba and Erysiphe cucumeria. Particularly preferred are Pyricularia grisea and Gibberella wheat.
Plants include, but are not limited to:
vegetables or vegetable plants: such as okra, spinach, lettuce, asparagus, cabbages, carrots, onions, peppers, sweet peppers, cucumbers, melons, corn, lettuce, asparagus, cabbages, tomatoes, zucchini, pumpkin, eggplant and beets;
Fruit or fruit plant: such as grapes, apples, pears, peaches, haws, persimmons, dates, citrus, cherries, strawberries, blueberries, oranges, lemons, grapefruits, plums, apricots, bananas, sugarcanes and litchis;
grain or grain plant: such as wheat, barley, rye, rice, oats, sorghum, cotton, soybean and potato;
oil crops: such as rape, mustard, poppy, olives, sunflowers, coconuts, castor oil plants, cocoa and peanuts;
other plants: such as turf, tobacco, nuts, coffee, tea, pepper, grape vine, walnut, chestnut, hops and latex plants;
ornamental plants: such as flowers, shrubs, deciduous trees and coniferous trees;
preferably, the plant is selected from the group consisting of wheat, barley, rice, sorghum, oat, tomato, strawberry, grape, soybean, pepper, potato, corn, apple, cucumber, melon, okra, spinach, lettuce, asparagus, cabbage, carrot, onion, pepper, pear, peach, walnut, hawthorn, persimmon, jujube, chestnut, citrus, litchi, pumpkin, and cotton.
Phytopathogenic fungi include fungi that are resistant to other fungicides. A fungus that is "resistant" to a particular fungicide refers to a strain that is less sensitive to that fungicide than, for example, the desired sensitivity of the same species. The desired sensitivity can be measured using, for example, strains that have not been previously exposed to a bactericide.
The method or use described above is preferably applied to a plant crop, its locus or propagation material thereof. Preferably to the locus of the plant or to the propagation material of the plant, more preferably to the propagation material. The application may be performed according to any usual application means (e.g. foliar application, spray application, soil application, furrow application, seed treatment application, etc.).
The compounds of the formula (I) are preferably used for disease control at 1 to 500g/ha, preferably 50-200 g/ha.
The compounds of formula (I) are suitable for use on any vegetable, fruit, grain plant, including those plants that have been genetically modified to be resistant to an active ingredient such as a herbicide, or those plants that have been genetically modified to produce a bioactive compound that controls infestation by phytopathogenic fungi.
Typically, the compounds of formula (I) are used in the form of a carrier-containing composition (e.g., formulation). The compounds of formula (I) and their compositions can be used in different forms, such as aerosol sprayers, capsule suspensions, cold fogging concentrates, dustable powders, emulsifiable concentrates, oil-in-water emulsions, water-in-oil emulsions, encapsulated granules, fine granules (fine granules), flowable concentrates for seed treatment, gas (under pressure), gas-generating products, granules, hot fogging concentrates, large granules, microparticles (microgranules), oil-dispersible powders, oil-miscible flowable concentrates, oil-miscible liquids, pastes, plant sticks, powders for dry seed treatment, pesticide-coated seeds, soluble concentrates, soluble powders, solutions for seed treatment, suspension concentrates (flowable concentrates), ultra low volume (ulv) liquids, ultra low volume (ulv) suspensions, water-dispersible granules or tablets, water-dispersible powders for slurry treatment, water-soluble granules or tablets, water-soluble powders for seed treatment and wettable powders for seed treatment.
The formulation typically comprises a liquid or solid carrier and optionally one or more commonly used formulation aids, which may be solid or liquid aids, for example, non-epoxidized or epoxidized vegetable oils (e.g., epoxidized coconut oil, rapeseed oil, or soybean oil), defoamers (e.g., silicone oils), preservatives, clays, inorganic compounds, viscosity modifiers, surfactants, binders, and/or tackifiers. The composition may further comprise a fertilizer, micronutrient donor or other preparation that affects plant growth, and comprises a combination comprising a compound of the present invention and one or more other bioactive agents, such as bactericides, fungicides, nematicides, plant activators, acaricides and insecticides.
The compositions are prepared in a manner known per se, for example by grinding, sieving and/or compressing the solid compounds of the invention in the absence of auxiliaries, and in the presence of at least one auxiliary, for example by intimately mixing and/or grinding the compounds of the invention with one or more auxiliaries. In the case of the solid compounds of the invention, the grinding/milling of the compounds is to ensure a specific particle size.
Examples of compositions for use in agriculture are emulsifiable concentrates, suspension concentrates, microemulsions, oil-dispersible agents, directly sprayable or dilutable solutions, coatable pastes, diluted emulsions, soluble powders, dispersible powders, wettable powders, dust, granules or capsules in polymeric substances, which compositions comprise a compound of formula (I) and the type of composition is selected to be suitable for the intended purpose and the prevailing circumstances.
Typically, the composition comprises from 0.1% to 99% (especially from 0.1% to 95%) of a compound of formula (I) and from 1% to 99.9% (especially from 5% to 99.9%) of at least one solid or liquid carrier, it being in principle possible for from 0 to 25% (especially from 0.1% to 20%) of the composition to be a surfactant (in each case% means weight percent). Whereas for commercial products concentrated compositions tend to be preferred, end users typically use diluted compositions with substantially lower concentrations of active ingredient.
Examples of leaf formulation types for premix compositions are:
GR: granule preparation
WP: wettable powder
WG: water dispersible granule (powder)
SG: water-soluble granule
SL: soluble concentrate
EC: emulsifiable concentrate
EW: oil-in-water emulsion
ME: microemulsion (microemulsion)
SC: aqueous suspension concentrate
CS: aqueous capsule suspension
OD: oil-based suspension concentrate
SE: an aqueous suspension emulsion.
While examples of seed treatment formulation types for premix compositions are:
WS: wettable powder for seed treatment slurry
LS: solution for seed treatment
ES: emulsion for seed treatment
FS: suspension concentrate for seed treatment
WG: water-dispersible granule
CS: aqueous capsule suspensions.
Examples of formulation types suitable for tank-mix compositions are solutions, diluted emulsions, suspensions or mixtures thereof, and dust agents.
For the nature of the formulation, the method of application (such as foliar application, spray application, nebulization application, dusting application, broadcast application, coating application, or pouring application) may be selected depending on the intended purpose and the circumstances at the time. Tank-mix compositions are generally prepared by diluting one or more premix compositions containing different pesticides and optionally further adjuvants with a solvent (e.g., water).
Suitable carriers and adjuvants can be solid or liquid and are substances commonly used in formulation technology, such as natural or regenerated mineral substances, solvents, dispersions, wetting agents, tackifiers, thickeners, binders or fertilizers.
Generally, tank-mix formulations for foliar or soil application comprise from 0.1% to 20%, especially from 0.1% to 15% of the desired ingredient and from 99.9% to 80%, especially from 99.9% to 85% of a solid or liquid adjuvant (including, for example, solvents such as water), wherein the adjuvant may be a surfactant in an amount of from 0 to 20%, especially from 0.1% to 15% based on the tank-mix formulation.
Typically, the premix formulation for foliar application comprises from 0.1% to 99.9%, especially from 1% to 95% of the desired ingredient and from 99.9% to 0.1%, especially from 99% to 5% of a solid or liquid adjuvant (including for example solvents such as water), wherein the adjuvant may be a surfactant in an amount of from 0 to 50%, especially from 0.5% to 40% based on the premix formulation.
Typically, tank-mix formulations for seed treatment applications comprise from 0.25% to 80%, especially from 1% to 75%, of the desired ingredient and from 99.75% to 20%, especially from 99% to 25%, of a solid or liquid adjuvant (including, for example, solvents such as water), wherein the adjuvant may be a surfactant in an amount of from 0 to 40%, especially from 0.5% to 30%, based on the tank-mix formulation.
Typically, the premix formulation for seed treatment application comprises from 0.5% to 99.9%, especially from 1% to 95% of the desired ingredient and from 99.5% to 0.1%, especially from 99% to 5% of a solid or liquid adjuvant (including for example solvents such as water), wherein the adjuvant may be a surfactant in an amount of from 0 to 50%, especially from 0.5% to 40% based on the premix formulation.
Whereas commercial products will preferably be formulated as concentrates (e.g., premix compositions (formulations)), the end user will typically use a diluted formulation (e.g., tank mix composition).
The preferred seed treatment premix formulation is an aqueous suspension concentrate. The formulation may be applied to the seeds using conventional treatment techniques and machines, such as fluid bed techniques, roller milling methods, static rotation (rotostatic) seed processors, and drum coaters. Other methods (such as spouted beds) may also be useful. The seeds may be pre-sized prior to coating. After coating, the seeds are typically dried and then transferred to a sizing machine for sizing. Such procedures are known in the art. The compounds of the invention are particularly suitable for soil and seed treatment applications.
Generally, the premix composition of the invention contains from 0.5% to 99.9% by mass, in particular from 1% to 95%, advantageously from 1% to 50% by mass of the desired ingredient and from 99.5% to 0.1% by mass, in particular from 99% to 5% by mass of a solid or liquid adjuvant (including, for example, solvents such as water), where the adjuvant (or adjuvant) may be a surfactant in an amount of from 0 to 50% by mass, in particular from 0.5% to 40% by mass, based on the mass of the premix formulation.
Plants and plant cultivars treated with compounds of formula (I) include those that are hybrid plants that have expressed characteristics of hybrid vigor, which generally result in higher yield, vigor, health and resistance to biotic and abiotic stress.
The invention has the beneficial effects that: the same compound has unexpected effects of preventing and treating diseases or germs with large difference, and the compound of the formula (I) has unexpectedly found that the compound has good effects of controlling or preventing the infection of plants by plant pathogenic fungi.
Detailed Description
The invention is illustrated but not limited by the following examples. Simple alternatives and modifications of the invention will be apparent to those skilled in the art and are within the scope of the invention as defined by the appended claims. The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
All phytopathogenic fungi in the biological examples were from a strain stored at 4℃in the plant protection institute laboratory at the university of Nanjing agriculture.
Water agar medium: 1000mL of distilled water is supplemented with 20g of agar, the agar is stirred to be fully dissolved, and then the agar is subpackaged in 200mL triangular flasks, sterilized for 20 minutes at 121 ℃, and cooled for later use.
PDA medium (potato agarose medium): cleaning 200g of potato, peeling, cutting into small pieces, boiling with boiling water (boiling for 30 min), filtering with four layers of gauze, removing filter residues, adding 20g of glucose, adding 20g of agar, adding double distilled water to 1000mL, stirring to dissolve completely, packaging in 200mL triangular flask, sterilizing at 121deg.C for 20 min, and cooling.
V8 medium (10%): 100mL of V8 juice was added CaCO 3 Centrifuge at 1g,2500rpm for 5min, and dilute the supernatant with double distilled water at 1:9 (v/v). If a solid culture medium is prepared, 15g of agar powder is added into 1L of diluted solution, the solution is sterilized for 20 minutes at 121 ℃, and the solution is cooled for later use.
PDAG medium: cleaning 200g of potato, peeling, cutting into small pieces, boiling with boiling water (boiling for 30 min), filtering with four layers of gauze, removing residue, adding 20g of mannitol, adding 20g of agar, adding double distilled water to 1000mL, stirring to dissolve completely, packaging in 200mL triangular flask, sterilizing at 121deg.C for 20 min, and cooling.
Concentration in bacteriostasis EC 50 The values, virulence regression equations and correlation coefficients are calculated by the DPS data processing system: inputting actual test concentration and corresponding spore germination inhibition rate, adopting quantitative biological machine value analysis, converting the measurement into logarithmic unit, setting mortality value as 50, and obtaining the required data.
The following examples are presented to facilitate a further understanding of the preparation process of the present invention and the particular materials, types and conditions used are intended to be further illustrative of the present invention and are not intended to limit the reasonable scope thereof. All references are incorporated by reference.
Preparation of suspensions of different concentrations of the Compound of formula (I)
Stock solutions of compound of formula (I) (content > 95%) ordered by ChemBridge corporation were prepared as 10000 μg/mL stock solution by dissolving in DMSO; in use, the suspension is diluted with water or spores to different concentrations: 100. Mu.g/mL, 200. Mu.g/mL, 500. Mu.g/mL, 1000. Mu.g/mL.
Biological example 1: rice blast bacteria on rice (cause rice blast)
In the spray chamber, rice (susceptible variety CO 39) at the 3-leaf stage was sprayed with the compound of formula (I) prepared in preparation example 1 and a control solvent (DMSO). By means of the composition 24 after applicationHourly spores (1×10) 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 95% relative humidity, leaf disease areas of each plant were counted 7 days after application, and inhibition rate was calculated, inhibition rate= (control disease area mean-treatment disease area mean)/control disease area mean. The results are shown in Table 1.
TABLE 1 inhibition of the compounds of formula (I) on rice blast growth (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 27.1 | 37.5 | 60.4 | 83.3 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 1, the compound of formula (I) showed an inhibition of rice blast at 100. Mu.g/mL and an inhibition rate of 83% or more at 1000. Mu.g/mL.
Biological example 2: fusarium graminearum on wheat (causing wheat scab)
Wheat in the flowering phase (cultivar zheng 0943) was sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By injecting spores (1X 10) 24 hours after administration 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 95% relative humidity, the number of spikes of each plant was counted 7-14 days after application, and the inhibition rate was calculated, inhibition rate= (average number of spikes of control group-average number of spikes of treatment group)/average number of spikes of control group. The results are shown in Table 2.
TABLE 2 inhibition of wheat scab by Compounds of formula (I) (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 36.4 | 54.5 | 72.7 | 81.8 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 2, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL and an inhibition rate of 81% or more at 1000. Mu.g/mL.
Biological example 3: colletotrichum gloeosporioides on soybean (causing soybean anthracnose)
Soybeans at 3 leaf seedling stage (cultivar Hefeng 47) were sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By dropping conidia (1X 10) at 24 hours after administration of the drug 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 90% relative humidity and leaf area was counted when a suitable level of lesions appeared on untreated control plants (7-14 days after application) and inhibition was calculated as = (control leaf area-treated leaf area)/control leaf area. The results are shown in Table 3.
TABLE 3 biological inhibition of compounds of formula (I) on soybean anthracnose (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 16.3 | 33.3 | 50.0 | 66.6 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 3, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 66% or more at 1000. Mu.g/mL.
Biological example 4: puccinia striolata (causing wheat stripe rust) on wheat
Wheat (cultivar zheng 0943) at 3 leaf seedling stage was sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By spraying spores (1X 10) 24 hours after application 5 individual/mL) of the suspension. Culturing the inoculated test plants in a greenhouse at 25℃and 90% relative humidity, and Leaf area was counted when appropriate levels of disease were present on untreated control plants (7-14 days post-application), and inhibition was calculated, inhibition = (control leaf area-treated leaf area)/control leaf area. The results are shown in Table 4.
TABLE 4 inhibition of wheat stripe rust by Compounds of formula (I) (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 18.6 | 37.1 | 58.9 | 71.3 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 4, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL and an inhibition rate of 71% or more at 1000. Mu.g/mL.
Biological example 5: pseudomonas guli on cucumber (cause cucumber downy mildew)
In the spray booth, 4 leaf seedling stage cucumber leaves (cultivar Huaian) were sprayed with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By spraying spores (1X 10) 24 hours after application 5 individual/mL) of the suspension. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 90% relative humidity, and leaf area was counted when a suitable level of lesions appeared on untreated control plants (7-14 days after application), and inhibition was calculated, inhibition= (control leaf area-treated leaf area)/control leaf area. The results are shown in Table 5.
TABLE 5 inhibition of the compounds of formula (I) on cucumber downy mildew assay (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 15.9 | 32.3 | 54.7 | 68.1 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 5, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 68% or more at 1000. Mu.g/mL.
Biological example 6: powdery mildew on cucumber (causing powdery mildew of cucumber)
Cucumber leaves (cultivar Huaian cucumber) at the 4 leaf seedling stage were sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By spraying conidia (1X 10) 24 hours after application 5 individual/mL) of the suspension. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 90% relative humidity, and leaf area was counted when a suitable level of lesions appeared on untreated control plants (7-14 days after application), and inhibition was calculated, inhibition= (control leaf area-treated leaf area)/control leaf area. The results are shown in Table 6.
TABLE 6 inhibition of the compounds of formula (I) on cucumber powdery mildew assay (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 11.8 | 27.6 | 49.3 | 61.5 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 6, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 61% or more at 1000. Mu.g/mL.
Biological example 7: rhizoctonia oryzae on rice (causing false smut)
In a spray booth, suitable rice cultivars are sprayed onto age-appropriate rice spikes with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO): two excellent peonies. Inoculating spores (1×10) by injecting live rice spike-pack 24 hours after application 5 individual/mL) of the suspension. The inoculated test plants were cultivated in a greenhouse at 25℃and 90% relative humidity and counted when appropriate levels of disease were present on untreated control plants (7-14 days after application)The area of the onset of the spike was calculated and the inhibition ratio, inhibition ratio = (control group spike onset area-treatment group spike onset area)/control group spike onset area. The results are shown in Table 7.
TABLE 7 inhibition of false smut by Compounds of formula (I) (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 13.4 | 29.8 | 50.6 | 65.8 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 7, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 65% or more at 1000. Mu.g/mL.
Biological example 8: milo ergot on sorghum (causing ergot disease in sorghum)
The sorghum cultivar was sprayed in a spray booth with the compound of formula (I) and control solvent (DMSO) formulated in preparation 1 onto sorghum leaves of appropriate age: two glutinous rice and one glutinous rice. By dropping spores (1X 10) at 24 hours after application 5 individual/mL) suspension was inoculated to the ex vivo leaves. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 90% relative humidity, and leaf area was counted when appropriate levels of disease were present on untreated control plants (7-14 days after application), and inhibition was calculated, inhibition= (control leaf area-treated leaf area)/control leaf area. The results are shown in Table 8.
TABLE 8 inhibition of the compound of formula (I) on the raw measurement of sorghum ergot (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 10.6 | 21.4 | 40.3 | 52.7 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 8, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 52% or more at 1000. Mu.g/mL.
Biological example 9: helminthosporium umbilicosum on corn (causing corn northern leaf blight)
Corn at the 3 leaf stage (cultivar Su Kenuo 1505) was sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By dropping spores (1X 10) 24 hours after administration 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 95% relative humidity, leaf disease areas of each plant were counted 7 days after application, and inhibition rate was calculated, inhibition rate= (control disease area mean-treatment disease area mean)/control disease area mean. The results are shown in Table 9.
TABLE 9 inhibition of the growth of maize northern leaf blight by Compounds of formula (I) (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 24.3 | 36.1 | 59.5 | 80.2 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 9, the compound of formula (I) showed inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 80% or more at 1000. Mu.g/mL.
Biological example 10: helminthosporium longum on corn (causing corn small spot disease)
Corn at the 3 leaf stage (cultivar Su Kenuo 1505) was sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By dropping spores (1X 10) 24 hours after administration 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 95% relative humidity, leaf disease areas of each plant were counted 7 days after application, and inhibition rate was calculated, inhibition rate= (control disease area mean-treatment disease area mean)/control disease area mean. The results are shown in Table 10.
TABLE 10 inhibition of the biological assay of maize small spot disease by the compound of formula (I) (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 26.6 | 38.5 | 62.1 | 83.6 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 10, the compound of formula (I) showed an inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 83% or more at 1000. Mu.g/mL.
Biological example 10: helminthosporium longum on corn (causing corn small spot disease)
Corn at the 3 leaf stage (cultivar Su Kenuo 1505) was sprayed in a spray booth with the compound of formula (I) formulated in preparation 1 and control solvent (DMSO). By dropping spores (1X 10) 24 hours after administration 5 individual/mL) of the suspension was inoculated, 20 seedlings for each of the control and treatment groups. The inoculated test plants were cultivated in a greenhouse at 25 ℃ and 95% relative humidity, leaf disease areas of each plant were counted 7 days after application, and inhibition rate was calculated, inhibition rate= (control disease area mean-treatment disease area mean)/control disease area mean. The results are shown in Table 11.
TABLE 11 inhibition of the compounds of formula (I) on corn small spot disease bioassay (%)
| 0μg/mL | 100μg/mL | 200μg/mL | 500μg/mL | 1000μg/mL | |
| A compound of formula (I) | 0 | 26.6 | 38.5 | 62.1 | 83.6 |
| DMSO | 0 | 0 | 0 | 0 | 0 |
As is clear from Table 11, the compound of formula (I) showed an inhibition of rice blast at 100. Mu.g/mL, and the inhibition rate was 83% or more at 1000. Mu.g/mL.
Claims (10)
1. A method for controlling or preventing infestation of plants by phytopathogenic fungi, which method comprises applying to the plants, to the locus thereof, or to propagation material thereof a compound of formula (I) or an agrochemically active salt thereof, for example a base addition salt of an inorganic base and an organic base, more particularly potassium, sodium, ammonium, dimethylamine, isopropylamine,
Specifically, application to a plant refers to application to parts or organs of the plant above or below ground, such as shoots, leaves, needles, stems, flowers, fruit bodies, fruits, seeds, roots, tubers, and rhizomes; the place is selected from a cultivation place, a storage place and a transportation place; application to propagation material refers to harvesting material, vegetative or sexual propagation material, such as cuttings, tubers, rhizomes, plants and seed applications;
the plant pathogenic fungi are selected from any one of the following:
powdery mildew pathogens, e.g. Blumeria species, such as Blumeria graminea
(Blumeriagramine); the genus Uncaria (Uncinula) species, such as Erysiphenecator;
rust pathogens, e.g. of the genus Ruscus (Gymnosporium), e.g. Ruscus fuscus
(gyrnosporaginumsabinae); genus Pharmoricanum (Pharmopsora), e.g. Pharmoricanum
(phakopsoappachyuzi); puccinia genus (Puccinia) species, such as Puccinia cerealis (Puccinia recondita), pucciniaziensis (Pucciagarminis) or Pucciagaminis (Puccinia striiformis);
leaf blight (leaf blast) pathogen and She Weinian (leaf wilt) pathogen: such as Alternaria species, e.g., alternaria species (Alternaria solani); cercospora (Cercospora) species, such as Cercospora betana (Cercospora); genus species of the genus Xylosporium (Cochliobolus), such as the genus Leptosporum (Drechslera), or the genus Xylosporum (Cochliobolus miyabeam), in the form of a conidium of Gramineae (Cochliobolus sativus), or of the genus Xylosporium (Cochliobolus miyabeam); anthrax (Colletotrichum) genus species, such as bean anthrax (Colletotrichum lindemuthanium); callicarpa species (Glomerella), such as periclase (Glomerella cingulata); genus species of the genus Brevibacterium (Guignardia), such as Brevibacterium (Guignardia bidwelli); a species of the genus Rhizoctonia (Ustilaginoidea), such as Rhizoctonia oryzae (Ustilaginoidea virens); ergot (Claviceps) genus species, such as, for example, ergot miltiorrhizae (Claviceps solgii); the genus megacrust (Magnaporthe) species, such as gray megacrust (Magnaporthe grisea); a species of the genus Mycosphaerella (Mycosphaerella), such as wheat leaf blight (zymosporiatritici); the genus Phaeosphaeria, such as Septoria nodorum (Phaeosphaeria nodorum); seed of the genus Pyrenophora, e.g. Pyrenophora (Pyrenophora teres) or Pyrenophora (Pyrenophora)
trigi-recontis); corallospora (Rhynchosporium) species, such as, for example, corallospora rye (Rhynchosporium secalis); a species of the genus Sclerotinia (Stagonospora), such as wheat leaf spot fungus (Stagonospora nodorum); a species of the genus cladosporium (venturi), such as cladosporium apple (Venturia inaequalis);
the caused panicle or panicle disease is caused by the following pathogens: such as Alternaria species (Alternaria species), such as Alternaria species (Alternaria spp.); cladosporium species, e.g. Cladosporium species
cladosporioides); ergot (Claviceps) species, such as ergot (Claviceps purpurea); fusarium species, such as Fusarium yellow (Fusarium culmorum); gibberella (Gibberella) genus species, such as Gibberella zeae; small line crust (Monographella) species, such as snow rot small line crust (Monographella nivalis); a species of the genus Sclerotinia, such as wheat leaf spot fungi;
the following pathogens of the induced fruit rot: for example, botrytis species, such as Botrytis cinerea; species of the genus streptococci (monilia), such as, for example, streptococci (monilia) species; sclerotinia species, such as Sclerotinia (Sclerotinia sclerotiorum); a Verticillium species, such as Verticillium black and white (Verticilium alboatrum);
The following pathogens causing seed-and soil-borne rot and wilting diseases, and seedling diseases: such as Alternaria species, e.g., alternaria brassicae (Alternaria brassicicola); genus Ascochyta (Ascochyta) species, such as Ascochyta (Ascochytalis); cladosporium species, such as Cladosporium herbarum (Cladosporium herbarum); genus Proteus (Cochliobius) species, such as Proteus gramineus (Cochliobolus sativus) (conidium form: helminthosporium (Drechslera), helminthosporium (Bipolaris) synonym: helminthosporium (Helminthosporium)); anthrax (Colletotrichum) genus species, such as Colletotrichum lanuginosum (Colletotrichum coccodes); fusarium species, such as Fusarium yellow (Fusarium culmorum); gibberella (Gibberella) genus species, such as Gibberella zeae; a genus species of the genus aschersonia (Macrophomina), such as aschersonia phaseoloides (Macrophomina phaseolina); phoma (Phoma) species, such as Phoma nigrum (Phoma lingam); phomopsis (Phomopsis sojae) species, such as Phomopsis sojae; a species of the genus Pyrenophora (Pyrenophora), such as Pyricularia gracilis (Pyrenophora graminea); pyricularia species, such as Pyricularia oryzae (Pyricularia oryzae); rhizoctonia (Rhizoctonia) species, such as Rhizoctonia solani (Rhizoctonia solani); rhizopus (Rhizopus) species, such as Rhizopus oryzae (Rhizopus oryzae); a Septoria (Septoria) species, such as Septoria nodorum (Septoria nodorum); verticillium species, such as Verticillium dahliae (Verticillium dahliae);
The following pathogens causing diseases of the tubers of plants: such as Rhizoctonia species, such as Rhizoctonia solani (Rhizoctonia solani); helminthosporium species, such as Helminthosporium solani (Helminthosporium solani);
the following pathogens causing diseases of the leaves, stems, pods and/or seeds of soybean: for example Alternaria leaf spot (Alternaria spec. Attostenuissima), anthracnose (Anthracnose), brown spot (Acremonium sojae (Septoria glycines)), cercospora leaf spot and leaf blight (Cercospora leaf spot and blight) (Cercospora kuchi), dactuliophora leaf spot (Dactuliophora Glycines), soybean downy mildew (downy mildew) (Peronospora manshurica), inner navel vermicularia wilt (drechslera blight) (Drechslecircular), soybean gray spot (Cercospora sojae)
(Cercospora) Leptodermatina (Leptophaera littoralis), pod and stalk blight (Phomopsis sojae), powdery mildew (Microsporadiffusa), leptophaera leaf spot (Pyrnochalimago, rhizoctonia solani (Rhizoctonia aerial), leaf blight and damping off (Rhizoctonia solani (Rhizoctonia solani)), rust (Phkopsoap aphyciphysi);
Preferably, the phytopathogenic fungi are selected from the group consisting of pyriform, fusarium, viridin, ergot, botrytis, vermicularia, anthrax, puccinia and powdery mildew.
More preferably, the phytopathogenic fungus is selected from the group consisting of Pyricularia grisea, fusarium pseudograminearum, fusarium yellow, fusarium oxysporum, fusarium graminearum, rhizoctonia cerealis, botrytis cinerea, helminthosporum longum, anthrax colletotrichum, rhizopus altaicus, rhizopus porus, pseudomonas cubeba and Erysiphe cucumeris.
2. The method of claim 1, wherein the plant is selected from any one of the following:
vegetables or vegetable plants: such as okra, spinach, lettuce, asparagus, cabbages, carrots, onions, peppers, sweet peppers, cucumbers, melons, corn, lettuce, asparagus, cabbages, tomatoes, zucchini, pumpkin, eggplant and beets;
fruit or fruit plant: such as grapes, apples, pears, peaches, haws, persimmons, dates, citrus, cherries, strawberries, blueberries, oranges, lemons, grapefruits, plums, apricots, bananas, sugarcanes and litchis;
Grain or grain plant: such as wheat, barley, rye, rice, oats, sorghum, cotton, soybean and potato;
oil crops: such as rape, mustard, poppy, olives, sunflowers, coconuts, castor oil plants, cocoa and peanuts;
other plants: such as turf, tobacco, nuts, coffee, tea, pepper, grape vine, walnut, chestnut, hops and latex plants;
ornamental plants: such as flowers, shrubs, deciduous trees and coniferous trees;
preferably, the plant is selected from the group consisting of wheat, barley, rice, sorghum, oat, tomato, strawberry, grape, soybean, pepper, potato, corn, apple, cucumber, melon, okra, spinach, lettuce, asparagus, cabbage, carrot, onion, pepper, pear, peach, walnut, hawthorn, persimmon, jujube, chestnut, citrus, litchi, pumpkin, and cotton.
3. The method according to claim 1, characterized in that the plant pathogenic fungus is selected from the group consisting of pyriform, fusarium, viridin, ergot, botrytis, vermicularia, anthrax, puccinia, downy mildew and powdery mildew, and wherein the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, corn, apple, pear, cucumber or cotton.
4. A method according to claim 3, wherein the plant pathogenic fungus is rice blast, fusarium graminearum or colletotrichum, and the plant is rice, wheat or soybean.
5. The method according to any one of claims 1 to 4, wherein the compound of formula (I) is formulated as a medicament in the form of one of a cream, a suspension, a wettable powder, a dust, a granule, an aqueous solution, a poison bait, a mother liquor and a mother powder; the content of the compound of formula (I) in the medicament is 1 to 99.9999 wt%, preferably 10 to 80 wt%; the effective dosage concentration of the compound of formula (I) in the medicament is 0.1ug/ml to 100ug/ml, and the application amount is 1 to 500g/ha, preferably 50-200g/ha.
6. The use of a compound of formula (I) or an agrochemically active salt thereof for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of Pityrosporum, fusarium, rhizoctonia, clavipita, botrytis, helminthosporium, anthrax, rhizopus, downy and Erysiphe,
preferably the agrochemical active salts are base addition salts of inorganic and organic bases, more particularly potassium, sodium, ammonium, dimethylamine, isopropylamine salts thereof.
7. The use according to claim 6, wherein the plant is selected from wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber or cotton.
8. The use according to claim 7, wherein the phytopathogenic fungus is rice blast, fusarium graminearum or colletotrichum and the plant is wheat, rice or soybean.
9. A method for growing plants by treating their propagation material with a compound of formula (i) or an agrochemically active salt thereof for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of pyriform, fusarium, viridans, ergot, botrytis, vermicularia, anthrax, puccinia, downy mildew and powdery mildew; preferably, the plant is selected from the group consisting of wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber, and cotton,
preferably the agrochemical active salts are base addition salts of inorganic and organic bases, more particularly potassium, sodium, ammonium, dimethylamine, isopropylamine salts thereof.
10. The use of a compound of formula (I) or an agrochemically active salt thereof for the preparation of a medicament for controlling or preventing infestation of plants by phytopathogenic fungi selected from the group consisting of Pyricularia, fusarium, rhizoctonia, clavipita, botrytis, helminthosporium, anthrax, puccinia, peronospora and Erysiphe,
preferably, the plant is selected from wheat, rice, sorghum, tomato, strawberry, soybean, capsicum, potato, maize, apple, pear, cucumber or cotton;
preferably, the agrochemical active salts are base addition salts of inorganic and organic bases, more particularly potassium, sodium, ammonium, dimethylamine, isopropylamine salts thereof;
specifically, the dosage form of the medicine is one of emulsifiable concentrate, suspending agent, wettable powder, granule, water aqua, poison bait, mother solution and mother powder; the content of the compound of formula (I) in the medicament is 1 to 99.9999 wt%, preferably 10 to 80 wt%; the effective dosage concentration of the compound of formula (I) in the medicament is 0.1ug/ml to 100ug/ml, and the application amount is 1 to 500g/ha, preferably 50-200g/ha.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117958065A (en) * | 2024-03-29 | 2024-05-03 | 中国农业科学院作物科学研究所 | Application of 6-gingerol |
| CN117981758A (en) * | 2024-04-02 | 2024-05-07 | 中国农业科学院作物科学研究所 | Bactericide for improving stalk rot disease caused by fusarium graminearum by spraying treatment and application thereof |
-
2023
- 2023-10-19 CN CN202311354597.5A patent/CN117562071A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117958065A (en) * | 2024-03-29 | 2024-05-03 | 中国农业科学院作物科学研究所 | Application of 6-gingerol |
| CN117981758A (en) * | 2024-04-02 | 2024-05-07 | 中国农业科学院作物科学研究所 | Bactericide for improving stalk rot disease caused by fusarium graminearum by spraying treatment and application thereof |
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