阅读说明：本技术 用于防治甜菜中的叶斑病的杀真菌组合物 (Fungicidal compositions for controlling leaf spot in sugar beet ) 是由 D·G·维梅特 J·T·马西森 G·凯米特 于 2013-12-31 设计创作，主要内容包括：已发现防治和预防甜菜植物中由甜菜生尾孢(CERCBE)引起的甜菜叶斑病的新方法。所述方法涉及向甜菜施用有效量的式I。(A novel method has been found for the control and prevention of beet leaf spot caused by B.betaninogenum (CERCBE) in beet plants. The method involves applying to sugar beet an effective amount of formula I.)

1. A method for controlling and preventing beet leaf spot disease in beet plants caused by Cercospora betanae (CERCBE) comprising applying a fungicidally effective amount of a compound of formula I, wherein said effective amount is applied to at least of said plant, an area adjacent to said plant, soil suitable for supporting the growth of said plant, the roots of said plant, the leaves of said plant, and seeds suitable for producing said plant

2. The method of claim 1, wherein the compound of formula I is applied at a rate of from about 50g/ha to about 800 g/ha.

3. The method of claim 1, wherein the compound of formula I is applied at a rate of about 60g/ha to about 300 g/ha.

4. The method of claim 1, wherein the compound of formula I is applied at a rate of about 75g/ha to about 300 g/ha.

5. The method of claim 1, wherein the compound of formula I is applied at a rate of about 100g/ha to about 300 g/ha.

6. The method of claim 1, wherein compound I is admixed with an agriculturally acceptable adjuvant or carrier.

7. The method of claim 1, wherein compound I is mixed with an agriculturally acceptable adjuvant surfactant selected from the group consisting of ethoxylated nonylphenols, ethoxylated synthetic or natural alcohols, sulfosuccinates or sulfosuccinates, ethoxylated organosiloxanes, ethoxylated fatty amines, and mixtures thereof.

8. The method of claim 7, wherein the agriculturally acceptable adjuvant surfactant is further blended with a mineral oil, a vegetable oil, or a mixture thereof.

9. The method of claim 7, wherein compound I is mixed with 0.01% v/v to 1.0% v/v agriculturally acceptable adjuvant surfactant, based on the spray volume of water.

Technical Field

The present invention relates to a novel process for controlling leaf spot in sugar beet with a fungicidally effective amount of a compound of formula I.

Background and summary of the invention

The leaf spot caused by fungi (Cercospora betacella) is diseases that often attack beet crops.

The current methods of agriculture rely heavily on the use of fungicides in fact crops cannot be planted effectively without the use of fungicides.

There are many fungicides used to control beet leaf spot, these include both azoxystrobin (azoxtstrobin) and difenoconazole (difenoconazole) azoxystrobin is The common name for (α E) -methyl-2- [ [6- (2-cyanophenoxy) -4-pyrimidinyl ] oxy ] - α - (methoxymethylene) phenylacetate difenoconazole is The common name for 1H-1,2, 4-triazole, 1- ((2- (2-chloro-4- (4-chlorophenoxy) phenyl) -4-methyl-1, 3-dioxolan-2-yl) methyl) -. their fungicidal activity is described in The Pesticide Manual, fourtenth Edition, 2006.

Unfortunately, under circumstances, fungicides known for leaf spot are not sufficiently effective or may have other deleterious effects.

In embodiments, the present invention relates to a novel method for the control and prevention of beet leaf spot disease caused by cercbia betacellata (CERCBE) in beet plants.

The effective amount is applied to at least of the plant, an area adjacent to the plant, soil suitable for supporting plant growth, a root of the plant, a leaf of the plant, and a seed suitable for plant production.

Detailed Description

The invention relates to the application of a fungicidally effective amount of a compound of formula I

The effective amount is applied to at least of the plant, an area adjacent to the plant, soil suitable for supporting plant growth, a root of the plant, a leaf of the plant, and a seed suitable for plant production.

The term "fungicidally effective amount" as used herein is synonymous with the phrase "effective amount to control or reduce fungi," with respect to the amount of use of the fungicidal composition that will kill or substantially inhibit the growth, proliferation, division, reproduction or spread of fungi.

Generally, a fungicidally effective amount of a compound of formula I may comprise applying a composition comprising formula I (i.e., a composition of formula I) to a sugar beet crop at an application rate of at least about 50, or at least about 60, or at least about 75, or at least about 90, or at least about 100 grams per hectare (g/ha). in addition to the aspect, a fungicidally effective amount of a compound of formula I may comprise applying it at an application rate of up to about 2300, or up to about 800, or up to about 300, or up to about 250, or up to about 200g/ha, based on the total amount of active ingredients in the composition.

Examples of the composition include a bactericide (S) such as fenproprelline (S), fenpropathrin (S), fenflurazocarb (S), fenpropathrin (S), fenflurazocarb (S), fenpropathromazine (S), fenpropathrin (S), fenflurazocarb-2 (S), fenpropathrin (S), fenflurazocarb (S), fenpropathrin (S), fenflurazocarb (S), fenpropathrin (S), fenprophyridofenazate), fenflurazocarb (S), fenflurazocarb (S), fenpropcarb-2), fenpropcarb (S), fenproprelline (S), fenpropcarb (S), such as (S), 2), such as (S), or (S), 2), or (S), fenpropcarb-2), such as (S), fenproprell-2), and (S), fenpropcarb), or (S), fenproprell-2-methyl), fenproprell-2), fenflurazocarb-2, or (S), fenpropcarb-2, or (S), fenpropcarb-2), and (S), such as (S), fenproprell), and (S), or), and (S), or), and (S), fenflurazocarb-2), and/or (S), and (S), fenpropcarb-2, or (S), fenpropcarb-2, or (S), and (S), or (S), and (S), fenpropcarb-2), and (S), and (S), fenpropcarb), and (S), or (S), fenpropcarb), and (S), fenpropcarb-2), or (S), fenpropcarb), or (S), fenproprell-2), or (S), and (S), and (S), or (S), or (S), or (S), and (S), or (S), or (S), or), and (S), or (S), and 2), or (S), or), and/or (S), and (S), and/or (S), and (S), or (S), and (S), and (S), or, 2), and (S), or), and 2), and (S), or (S), or), and 2), and/or), and (S), or (S), and (S), and (S), or), and/or), or (S), or), and (S), or (S), and (S), or (S), and (S), or (S), and (S), 2), a), or, 2), and (S), and (S), 2), a), and (S), a (S), and (S), a (S), and (S), 2, or (S), a (S), and (S), a (S), a), and (S), a), and (S), a (S), and (S), a (S), a (S, a (S), a (S), a (S, or), a (S), a (S), a (S), a (S), a (S, a (S), a (S), a (S), a (S), a, or), a (S), a, or), a, or), a, or, a, or, a, 2, or), a, or, a, or, a, or), a, or, a), a), a (S), a), a, or), a, or), a, or), a, or, a (S), a, or, a), a, or, a, or, a, or, a, or, a), a (S), a), a, or, a), a, or, a, or, a, or, a), a, or, a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a), a.

The compounds of formula I may be applied with a phytologically acceptable carrier (if desired) in the form indicated at .

The formulations may be prepared according to methods common in the agrochemical arts, but are novel and important due to the presence of the fungicidal composition in the formulation.

The formulations most often applied are aqueous suspensions or emulsions. The water-soluble, water-suspendable or emulsifiable formulations are solids, commonly referred to as wettable powders; alternatively, the water-soluble, water-suspendable or emulsifiable formulations are liquids, commonly referred to as emulsifiable concentrates (emulsifiable concentrates), aqueous suspensions or suspension concentrates. The present invention contemplates all vehicles by which the compounds of formula I can be formulated for delivery and use as fungicides in the methods of the invention.

It will be readily understood that any substance to which the composition comprising formula I can be added may be used provided that they give the desired pharmacological effect without significantly interfering with the activity as an antifungal agent.

Wettable powders that can be compressed into water-dispersible granules comprise an intimate mixture (acrylate blend) of the composition of formula I, a carrier and an agricultural surfactant. The concentration of the composition of formula I in the wettable powder is generally from about 10% to about 90% by weight, more preferably from about 25% to about 75% by weight, based on the total weight of the formulation. In preparing wettable powder formulations, the compositions may be compounded with any finely divided solid such as pyrophyllite (prophyllite), talc, chalk, gypsum, Fuller's earth, bentonite, attapulgite, starch, casein (casein), gluten (gluten), montmorillonite (montmorillonite clay), diatomaceous earth (diatomaceous earth), purified silicate (powdered silicate) and the like. In such an operation, the finely divided carrier is milled or mixed with the composition in a volatile organic solvent. Effective surfactants, comprising from about 0.5% to about 10% by weight of the wettable powder, include sulfonated lignins, naphthalene sulfonates, alkylbenzene sulfonates, alkyl sulfates, and ethylene oxide adducts of nonionic surfactants such as alkyl phenols.

Emulsifiable concentrates of the compositions of formula I comprise conventional concentrations in suitable liquids, for example from about 10% to about 50% by weight, based on the total weight of the emulsifiable concentrate formulation. The components of the composition are dissolved, together or separately, in a carrier that is a water-miscible solvent or a mixture of a water-immiscible organic solvent and an emulsifier. Emulsifiable concentrates can be diluted with water and oil to form a spray mixture in the form of an oil-in-water emulsion. Useful organic solvents include the aromatic portion of petroleum, particularly the high boiling naphthenic portion, and olefinic portions such as heavy aromatic naphtha. Other organic solvents such as terpene solvents including rosin derivatives, aliphatic ketones such as cyclohexanone, and complex alcohols (complex alchol) such as 2-ethoxyethanol may also be used.

Emulsifiers which may be advantageously employed in the present invention can be readily determined by one skilled in the art and include various nonionic, anionic, cationic and amphoteric emulsifiers, or blends of two or more emulsifiers. Examples of nonionic emulsifiers used in the preparation of the emulsifiable concentrates include polyalkylene glycol ethers, and condensation products of alkyl and aryl phenols, fatty alcohols, fatty amines or fatty acids with ethylene oxide, propylene oxide, for example ethoxylated alkyl phenols and carboxylic acid esters dissolved with polyhydric alcohols or polyalkylene oxides. Cationic emulsifiers include quaternary ammonium compounds and fatty amine salts. Anionic emulsifiers include oil-soluble salts (e.g., calcium salts) of alkylaryl sulfonic acids, oil-soluble salts of sulfated polyglycol ethers, and suitable salts of phosphated polyglycol ethers.

Representative organic liquids which may be employed in the preparation of the emulsifiable concentrates of the present invention are aromatic liquids such as xylene and propylbenzene fractions; or mixed naphthalene fractions, mineral oils, substituted aromatic organic liquids such as dioctyl phthalate; kerosene (kerosene); dialkylamides of various fatty acids, in particular dimethylamides of fatty diols and diol derivatives such as n-butyl, ethyl or methyl ethers of diethylene glycol, methyl ethers of triethylene glycol. Mixtures of two or more organic liquids may also be suitably employed in the preparation of the emulsifiable concentrates. Preferred organic liquids are xylene and propylbenzene fractions, with xylene being most preferred. Surface active dispersants are typically employed in liquid formulations and are present in amounts of from 0.1 to 20% by weight, based on the total weight of the dispersant and the composition of formula I. The formulations may also contain other compatible additives such as plant growth regulators and other biologically active compounds used in agriculture.

Aqueous suspensions include suspensions of one or more water-insoluble compounds dispersed in an aqueous vehicle at a concentration of about 5% to about 70% by weight, based on the total weight of the aqueous suspension formulation.

The compositions of formula I may also be applied as granular formulations which are particularly useful for application to soil. The granular formulations typically contain from about 0.5% to about 10% by weight of the compound, based on the total weight of the granular formulation, dispersed in a carrier composed entirely or mostly of coarsely comminuted attapulgite, bentonite, diatomaceous earth, clay, or similar inexpensive materials. The formulations are generally prepared as follows: the composition of formula I is dissolved in a suitable solvent and applied to a particulate carrier which has been previously made to a suitable particle size (ranging from about 0.5mm to about 3 mm). The formulation may also be prepared as follows: the carrier and the composition of formula I are formed into a paste or paste, which is then crushed and dried to obtain the desired particle size.

Powders (dust) comprising the composition of formula I are prepared simply as follows: the powdered composition of formula I is intimately mixed with a suitable agricultural carrier in the form of a dust (e.g. kaolin clay, ground volcanic rock, etc.). The powder may suitably contain from about 1% to about 10% by weight of the composition/carrier combination of formula I.

The formulations may additionally contain an agricultural co-surfactant to enhance deposition, wetting and penetration of the formula I compositions onto target crops and microorganisms. These co-surfactants may optionally be used as components of the formulation or as tank mixes. The amount of the co-surfactant will be from 0.01 to 1.0 volume%, preferably 0.05 to 0.5 volume% based on the volume of water sprayed. Suitable co-surfactants include ethoxylated nonylphenols, ethoxylated synthetic or natural alcohols, sulfosuccinates or sulfosuccinates, ethoxylated organosiloxanes, ethoxylated fatty amines, blends of surfactants with mineral or vegetable oils.

The formulations may optionally include a composition that may contain at least 1% by weight of or more of the compositions of formula I in combination with other biocidal compounds, which may be fungicides, insecticides, nematocides, acaricides, arthropodicides (arthopodides), bactericides or combinations thereof, which additional biocidal compounds are compatible with the compositions of formula I of the present invention in the medium chosen for application and do not antagonize the activity of the compounds of the present invention.

The present invention includes within its scope methods for controlling or preventing fungal attack, which methods comprise applying to the locus of the fungus (locus) or to the locus where the infection is to be prevented (e.g., to sugar beet plants) a fungicidally effective amount of a composition of formula I suitable for treating a variety of plants at antifungal levels while exhibiting low phytotoxicity.

The compositions of formula I were found to have a significant fungicidal effect, in particular for agricultural use. The compositions of formula I are particularly useful for agricultural crops and horticultural plants. In particular, the composition of formula I is capable of preventing or curing beet leaf spot caused by urospora betanae, or is capable of preventing and curing beet leaf spot caused by urospora betanae. Similarly, the compositions of formula I are sometimes capable of preventing or curing other diseases caused by, or capable of preventing and curing other diseases caused by, a wide variety of different fungi, including, for example, basidiomycetes and/or Ascomycetes (Ascomycetes).

The compositions of formula I have a wide range of efficacy as fungicides. The exact amount of the composition of formula I applied depends not only on the relative amounts of the components but also on the specific action desired, the kind of fungi controlled and its stage of growth, and the part of the plant or other product to be contacted with the composition of formula I. Thus, formulations containing the composition of formula I may not be equally effective at similar concentrations or against the same fungus.

The compositions of formula I are effective for use on plants in disease-inhibiting and phytologically-acceptable amounts. The term "disease-inhibiting and phytologically-acceptable amount" refers to an amount of a composition of formula I that kills or inhibits a plant disease for which control is desired, but that is not significantly toxic to the plant. This amount will generally be from about 1ppm to about 1000ppm, preferably from 2ppm to 500 ppm. The exact concentration of the desired composition of formula I will vary with the fungal disease being controlled, the type of formulation employed, the method of application, the particular plant species, the climatic conditions, and the like. Suitable application rates for the compositions of formula I generally correspond to about 0.10 pounds/acre to about 4 pounds/acre (about 0.01 to 0.45 grams per square meter, g/m)²)。

The compositions of the present invention may be applied to the fungus or locus thereof by using conventional ground sprayers, granule applicators, and by other conventional means known to those skilled in the art.

The following examples are presented to further illustrate the invention at and are not intended to be construed as limiting the invention.