EP1096853A1 - Renforcement de la croissance des vegetaux pour lutter contre les champignons phytopathogenes et/ou nuisibles lies au sol - Google Patents

Renforcement de la croissance des vegetaux pour lutter contre les champignons phytopathogenes et/ou nuisibles lies au sol

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Publication number
EP1096853A1
EP1096853A1 EP99932767A EP99932767A EP1096853A1 EP 1096853 A1 EP1096853 A1 EP 1096853A1 EP 99932767 A EP99932767 A EP 99932767A EP 99932767 A EP99932767 A EP 99932767A EP 1096853 A1 EP1096853 A1 EP 1096853A1
Authority
EP
European Patent Office
Prior art keywords
use according
apg
mixture
alcohols
partial esters
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP99932767A
Other languages
German (de)
English (en)
Inventor
Bettina Kopp-Holtwiesche
Doris Bell
Stephan Von Tapavicza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Personal Care and Nutrition GmbH
Original Assignee
Cognis Deutschland GmbH and Co KG
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
Priority claimed from DE1998130889 external-priority patent/DE19830889A1/de
Priority claimed from DE19849253A external-priority patent/DE19849253A1/de
Application filed by Cognis Deutschland GmbH and Co KG filed Critical Cognis Deutschland GmbH and Co KG
Publication of EP1096853A1 publication Critical patent/EP1096853A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants

Definitions

  • low-foaming wetting aids are offered here in the form of a highly concentrated, yet flowable and pourable aqueous concentrate based on surfactants for intensifying the penetration and spreading of water in the area of plant pollution during watering, these wetting aids being an ecologically compatible surfactant component alkyl (poly) - contain glycoside compounds of the O W type - hereinafter also referred to as "APG compounds" - and in a mixture with them olefinically unsaturated fatty alcohols and, if appropriate, additional partial esters of fatty acids with polyfunctional alcohols as foam inhibitors / defoamers and, in addition, lower water-soluble alcohols as viscosity regulators.
  • APG compounds glycoside compounds of the O W type -
  • APG compounds of the O-W type are to be used as te ⁇ sidische auxiliaries, which are known to be widely used in very different technical fields today.
  • APG compounds are surfactant additives in the field of detergents and cleaning agents, including textile detergents.
  • Nonionic surfactants based on APG of the type in question are distinguished by a particularly high foaming power in aqueous preparations. For use in the area of detergents and cleaning agents, this is generally desired by the consumer; for the work area affected according to the invention, this is not only undesirable, it can represent a pronounced burden.
  • Conventional additives with a foam-suppressing effect are known in the field of detergents and cleaning agents, but are not suitable for promoting the healthy plant growth in the work area concerned according to the invention.
  • the teaching of the earlier application is also based on the task of being able to offer the desired combination of valuable materials simultaneously in the form of concentrates which can be easily diluted with water, with the concentrate also being able to be adequately portioned even in the range of standard temperatures.
  • the technical solution in the sense of the teaching of the earlier application lies in the multi-substance combination cited above, which contains the APG compounds of the O / W type together with selected foam brakes of the type mentioned in an aqueous concentrate, the viscosity of which is achieved by using limited amounts of lower water-soluble alcohols is regulated.
  • APG-based network grips of the type concerned here not only promote the penetration of the sprinkling water into the soil structure and thus in particular into the plant root area, which entered here and / or or an aqueous mixture of valuable materials applied to the above-ground plant portion shows an unexpected plant-strengthening and / or plant-sanitizing action against the infestation of the plants by phytopathogenic fungi and / or against soil-borne pests. Plant growth-promoting mushroom populations from the mycorrhiza area and thus from the area of the down-to-earth mushroom populations connected to the plant root are not disturbed.
  • the combination of recyclable materials according to the invention - recognizable by the triggered promotion of plant growth - produces the metabolism and thus effects stimulating plant growth in the area of the rhizosphere and / or in the mycorrhiza area. Associated with this is primarily a strengthening of healthy plant growth through increased resistance to soil-borne pests, in particular corresponding insects and / or nematodes.
  • foam brakes based on fatty alcohols and / or partial esters of fatty acids which are introduced into the soil with the aid of the surfactant APG components, act as usable C suppliers in the life of the diverse microorganisms, which is controlled Plant in its root area and thus also indirectly strengthen and strengthen the plant's resistance against phytopathogenic fungal attack.
  • EP 0 230 598 B1 describes the use of alkylglycoside compounds as an active ingredient combating harmful organisms in agents for protecting useful and ornamental plants.
  • the APG compounds listed in this publication comprise a very much broader range of APG compounds, in particular corresponding APG ethoxylates.
  • the use of aqueous preparations of APG compounds against plant infestation by aphids, by spider mites and by mildew is described in detail here.
  • APG-based mixtures of substances in the sense of the previously cited older German patent application and thus of the type also affected according to the invention which are the surfactant APG components in admixture with fatty alcohols and / or fatty acid partial esters, especially also in the soil area and thus in the root area of the plants not disclosed in this latter publication.
  • the problem of preventing undesired foam formation and a technical solution in the sense of the teaching according to the invention are also not discussed.
  • the invention accordingly relates to the use of aqueous
  • Multi-component mixtures of the type defined here are used in the sense of the teaching according to the invention, in particular in the field of commercial plant production, in landscaping and in commercial or private horticulture.
  • APG compounds preferred according to the invention are characterized in that at least partially and in particular at least predominantly alkyl (oligo) glucoside compounds are used, the alkyl radical of which is derived at least predominantly from straight-chain fatty alcohols.
  • Compounds of this type are surfactant auxiliaries for a wide range of uses. A number of factors are important for their practical use on a large industrial scale today: APG-based wetting agents can be known to be completely based on natural substances. They are obtained as reaction products by reacting fatty alcohols with mono-, oligosaccharides and / or polysaccharides.
  • APG oligosaccharides
  • a depolymerization is first triggered by hydrolysis and / or alcohol lysis before the desired APG compounds form.
  • Preferred saccharide components for the formation of APG are glucose or corresponding oligo- or polyglucose.
  • Suitable reactants are also saccharide compounds based on mannose, galactose, arabinose and other comparable monomer, oligo- and / or polyglycosides.
  • APG compounds of the type suitable according to the invention are obtained as reaction products of the general formula RO- (G) x , in which R is a primary, preferably straight-chain and aliphatic hydrocarbon radical having at least 6 C atoms, preferably with 8 to 24 C atoms and in particular with 8 to 18 carbon atoms and G denotes a glycose unit with 5 or 6 carbon atoms, preferably stands for glucose.
  • the degree of oligomerization x - and thus the so-called DP value - which indicates the distribution of monoglycosides and oligoglycosides, is usually a value in the surfactant class concerned here between 1 and 10 and is, for example, in the range from about 1.2 to 5, preferably in the range from about 1.2 to 4 and in particular in the range from 1.2 to 2.
  • HLB values which are preferably in the range above 7 and in particular above 8 or 9, the HLB range from 10 to 18 can be of particular importance.
  • these mixture components are of multifunctional importance in the multi-substance mixtures used according to the invention.
  • they are valuable components for the practical use of multicomponent mixtures in aqueous diluted preparations as foam retardants, on the other hand they serve as a carbon source for microorganism growth and especially for the growth promotion of organotrophic microorganisms when used in the soil and in particular in the area of plant roots. Due to natural degradation processes, fatty alcohols can be degraded both aerobically and anaerobically.
  • the C source essential for organotrophic growth according to the invention their molecular structure shows lipophilic hydrocarbon residues with a fat structure and thus a comparatively increased concentration of the energy-supplying C-H groups.
  • preferred fatty alcohols in the multicomponent mixture are characterized by at least 6 to 8 carbon atoms in the molecule, olefinically 1- and / or polyunsaturated fatty alcohols having 10 to 28 carbon atoms and in particular corresponding fatty alcohols having 12 to 24 carbon atoms being particularly preferred can.
  • Another preferred parameter for the selection of suitable fatty alcohols lies in the solidification ranges of these mixture components. Corresponding components with solidification ranges at temperatures equal to / less than 20 ° C. and in particular at temperatures in the range equal to / less than 10 to 15 ° C. are preferred.
  • fatty acid partial esters of in particular lower polyfunctional alcohols can also be important mixture components in the sense of the teaching according to the invention.
  • Corresponding compounds having 2 to 6 carbon atoms and in particular 3 to 5 carbon atoms are particularly suitable here on the side of the polyfunctional lower alcohols.
  • Corresponding glycerol partial esters can be of particular importance here because of their easy accessibility as a natural product.
  • the fatty acids of the class of partial esters concerned here usually belong to the range of corresponding compounds with 10 to 24 C atoms, with corresponding monocarboxylic acids in the range from C 12 . 20 may be particularly suitable.
  • Fatty acids of the type concerned here are known to be technically widely available as natural material-based feedstocks.
  • olefinically 1- and / or polyunsaturated fatty acids can be particularly preferred.
  • a particularly suitable class of the active substances concerned here are partial esters of glycerol with olefinically unsaturated C 1 ⁇ / 18 monocarboxylic acids, the corresponding monoesters again being of particular importance.
  • a technologically widely available fatty acid ester of this type is glycerol monooleate.
  • Fatty acid esters of the constitution described here can be degraded both aerobically and anaerobically by natural degradation processes in the soil. They are also essential sources of C for the organotrophic growth of microorganisms in the immediate vicinity of the plant root. Their use also indirectly strengthens plant growth by stimulating the soil-based
  • either only fatty alcohols or only partial fatty acid esters can be used as mixture components together with the APG compounds. In one embodiment, however, combinations of fatty alcohols and fatty acid partial esters are used.
  • Preferred Mixing ratios - based on parts by weight of the anhydrous components - are approximately in the range from 1: 1 to 1:10.
  • Mixing ratios of the fatty alcohols and fatty acid partial esters (parts by weight of the anhydrous components) can preferably be in the range from 1: 1 to 1: 5, with particular preference appropriate mixtures in the range from 1: 1 to 1: 3 are used.
  • the APG components are used in at least approximately equal amounts by weight, based on fatty alcohols and / or partial esters, with mixing ratios of APG: fatty alcohol and / or partial esters in the range from 1: 1 to 5: 1, preferably from 1: 1 to 3: 1 and in particular in the range from 1.5 to 2.5: 1 are preferred.
  • the numerical values given here relate in each case to the proportions by weight of the mixture of substances and in each case based on anhydrous mixture components.
  • teaching according to the invention is not restricted to such use of APG components in excess. Mixtures of substances with a corresponding excess of the fatty alcohols and / or fatty acid partial esters used as foam retardants also fall within the scope of the teaching according to the invention.
  • Multi-component mixtures of the type concerned according to the invention are usually made available to the trade and the user in the form of flowable aqueous concentrates, according to the statements made in the earlier German application 19701127.6 mentioned above, which then in each case is the appropriate dilution with further water for applying the multi-substance mixture to the soil and the plant does.
  • their sufficient portionability must also be ensured in the range of normal temperature.
  • the teaching of the older application mentioned makes it clear that when aqueous APG concentrates are mixed with the foam brakes / defoamers based on fatty alcohol and / or partial esters, thickened gels which are no longer flowable are easily formed.
  • lower monofunctional alcohols are corresponding compounds with up to 4 carbon atoms.
  • teaching according to the invention provides for the use of lower polyhydric alcohols in addition to the components of the mixture of materials mentioned above, and in particular low polyhydric alcohols which are flowable at room temperature as mixture components.
  • These polyhydric alcohols can also have polyfunctional importance in the context of the multi-substance mixture. As liquid mixture components with comparatively high boiling points, they promote them especially for
  • Microorganism growth especially in the rhizosphere and / or the mycorrhiza area.
  • Preferred polyhydric alcohols are corresponding
  • Preferred amounts for the mixture components discussed here are usually at most 30 to 35% by weight, preferably at maximum amounts of 20 to 25% by weight and in particular in the range from 5 to 15% by weight - in each case based on the multi-component mixture in the form of the previously described
  • olefinically unsaturated terpene alcohols are also suitable as foam inhibitors / defoamers.
  • the terpene alcohols are acyclic or mono-, bi- or tricyclic polyolefinically unsaturated alcohols of vegetable origin, which contain between 10 and 40 carbon atoms.
  • the terpene alcohols are preferably used in the form of their naturally occurring mixtures as a foam brake / defoamer.
  • pine oil a mixture of different terpi ⁇ ols such as ⁇ - and ß-terpineol, ⁇ -fenchyial alcohol, bomeol and isoborneol as described in the Römpp chemistry dictionary, page 3451, volume 4, 9th edition 1991.
  • Pine Oil contains minor amounts of other non-alcoholic compounds, such as camphor, anethole and estragol.
  • the pine oil is made from resinous stumps and the root wood of various types of pine by extraction with, for example, gasoline or chloroform and the following Fractionation and distillation won.
  • the defoamer components are usually present in smaller amounts than the APG component - in each case based on the active substance. Mixtures in which the defoamer components can be used in significantly smaller amounts are preferred.
  • multi-component concentrates are suitable in the sense of the invention whose defoamer content is in the range from approximately 10 to 25% by weight and preferably in the range from approximately 15 to 20% by weight.
  • the type and amount of the lower water-soluble monofunctional alcohols used as viscosity regulators are determined by the main components mentioned above, the lower water-soluble polyhydric alcohols which may also be used, and the total amount of water present in the multicomponent mixture. Additional amounts of the viscosity regulator in the range of at least about 5 to 7% by weight as the lower limit and 12 to 25% by weight as the upper limit are particularly suitable. Amounts of ethanol in the range from about 5 to 20% by weight and in particular 10 to 15% by weight generally result in sufficient viscosity influences in the sense of the desired flowability and pourability of the multicomponent mixture even in the region of room temperature.
  • the water content of the multicomponent concentrates is generally at most about 50% by weight, but in preferred embodiments is lower.
  • the multicomponent mixture ranges from a maximum of about 30 to "45 wt .-% are particularly suitable for the water content.
  • the water content will be selected to be clearly lower, and then is, for example 10 to 20% by weight, preferably in the range of 10 up to 15% by weight.
  • the multicomponent mixtures are applied in aqueous diluted form to the soils and / or plants to be treated in such quantities that the multicomponent material applied - based on the anhydrous mixture - in amounts of at least about 0.5 g / m 3 and is preferably applied in amounts of at least 1 g / m 2 .
  • Application quantities in the range from 0.5 to 35 g / m 2 and in particular corresponding application quantities in the range from 1 to 20 g / m 2 can be suitable - in each case based on an anhydrous mixture of valuable materials composed in particular of APG compounds, fatty alcohols and / or fatty acid partial esters.
  • a preferred upper limit for the application quantities discussed here is in the range from 10 to 15 g / m 2 .
  • the above-described concentrate concentrates are diluted with further application water and then preferably sprayed in fine particles in the form of aqueous emulsions / dispersions.
  • the use of water-diluted mixtures in which the weight ratio of the multicomponent mixture of valuable materials: water is at least 1:10 and preferably at least 1:15 to 20 may be preferred.
  • the teaching according to the invention creates previously unknown possibilities of plant strengthening on the one hand against the infestation by undesired phytopathogenic fungus populations, but also against the infestation of soil-borne pests, such as undesirable insects and in particular nematodes.
  • soil-borne pests such as undesirable insects and in particular nematodes.
  • mixtures of active ingredients are used according to the invention which can be selected exclusively or at least predominantly based on natural products in their molecular structure.
  • the desired mechanism of action is in particular the indirect plant strength by influencing and building up the plant's own defense potential, in particular by correspondingly influencing the metabolic processes in the area of the plant root and thus the life processes of the microorganism populations in the soil, which are in exchange with the life processes in the plant.
  • Microorganism growth The introduction of the mixtures of valuable substances according to the invention into the soil leads to a measurable increase in the water-soluble fractions of phosphorus compounds and thus to an increase in the phosphate fractions available for plant growth. Strengthening and increasing the growth of the microorganism flora in the soil obviously leads to an intensification of the aspect affected here in the area of the plant roots. This secondary effect of increasing root growth can be seen very clearly, for example, on grass areas which have a non-uniform density of plant growth.
  • Aqueous mixtures of the commercial product sold by the applicant under the protected name "Magic Wet” in various standard concentrations are used as mixtures of valuable substances in the sense of the teaching according to the invention - APG compounds of the O / W type in admixture with fatty alcohols and / or fatty acid partial esters. If conventional fertilizers are used in the comparative tests, the liquid fertilizer used is the product sold under the protected symbol "Substral", which is characterized by a NP 2 O 5 -K 2 O ratio of 6-2-4. Details of the concentrations of the valuable and auxiliary substances used are given in connection with the following examples.
  • Balcony boxes with a capacity of 6.7 l and a surface area of 0.06 m 2 were used as test vessels. Corn salad was sown in the balcony boxes filled with standard soil and cultivated for 8 weeks until ready for harvest. During this time, the balcony boxes were watered with the respective test solution at regular intervals (1 x before sowing, 9 x after sowing) or watered with water on 4 further dates.
  • Variants 14 and 15 not treated with Magic Wet achieved an average biomass of 31 to 33 g.
  • the variants treated with Magic Wet achieved a biomass that was about 10 g higher.
  • a common grass mixture for golf greens (DSV 414 with 80% Festuca rubra and 20% Agrostis stolonifera; 20 g / m 2 ) was sown in 144 cm 2 pots, which were covered with a standard grass layer made of 20% top soil and 80% sand (0 , 2 mm) were filled.
  • the lawn was liquid fertilized five times and cut three times (including determination of fresh and dry matter).
  • the treatment with the mixture according to the invention sold by the applicant under the trade name "Magic Wet” was carried out three times within these 8 weeks (5th, 7th, 8th week) in two concentrations, and always after one cut and together with one Liquid fertilization 0.5% NPK 12-4-6 solution.
  • the plants were transferred to the climatic chamber (10 ° C., exposure 14/10). After one day of acclimation, the inoculation was carried out with a diluted one Mixture of three isoates from Microdochium nivale, the causative agent of snow mold, in the watering process. The plants were then covered with filter paper for 8 days under a plastic film in the climatic chamber. The evaluation was then carried out as an optical evaluation ("rating") of the infestation Snow mold. The amount of visible mushroom mycelium was estimated as a percentage of area per pot.
  • the mixture of recyclable materials according to the invention is suitable for protecting golf turf against excessive fungal attack when used preventively.
  • a common grass mixture for goifgreens (DSV 414; 20 g / m 2 ) was sown in 144 cm 2 pots, which were filled with a standard turf base layer made of 20% top soil and 80% sand (0.2 mm). During the 7-week cultivation in the greenhouse, the lawn was liquid fertilized five times and cut three times (including determination of fresh and dry matter). After 8 weeks of cultivation, the snow mold mixture was inoculated. The grasses were sprayed with the treatment variants 10 days after the inoculation of the pathogen. The effect of the treatment variants was carried out 14 days after application by visual evaluation (rating). The amount of visible mushroom mycelium was estimated as a percentage of area per pot.
  • the mixture of valuable materials according to the invention - as shown in the previous example - supports the curative action of fungicides (in the example: derosal), it can be used in particular in cases in which resistance is to be expected, e.g. for Drechslera, Pythium or Microdochi ⁇ m species.
  • the mixture of recyclable materials according to the invention thus expands the possible uses of conventional fungicides.
  • the amount of conventional fungicides applied can be reduced by the mixture of recyclable materials according to the invention, as a result of which the known, unfavorable impairments of water, soil and living environment can be restricted.
  • the reduction in the application rates of conventional fungicides claimed here can also be understood as an extension of the time intervals between two applications. This reduces the risk of further resistance build-up by pesticides.
  • the mixture of recyclable materials according to the invention differs from conventional fungicides both in its rapid and complete biodegradability and in a completely different mode of action. While conventional fungicides directly change the metabolism of the pathogen, the mixture of recyclable materials according to the invention brings about a change in the environment which has not yet been understood in detail.
  • the protection of the cultivated plant against fungal or soil-borne pests is based on two different, mutually complementary principles in the combined use of a conventional fungicide and the mixture of materials claimed here.
  • Grass pathogens isolated and cleaned in the laboratory were vaccinated on 4 agar test plates in each case and their mycelial growth was determined after 5 days of incubation at room temperature.
  • Nutrient media from PDA were used, to which, after autoclaving, the mixture of recyclable materials according to the invention or the individual components were mixed in different concentrations after autoclaving.
  • Agar plates without active ingredient (ie only PDA medium) served as a control. Since resistant pathogens can now appear due to the many years of use of many fungicides, plates with the usual fungicides Derosal and Folicur were carried in concentrations of 10 ppm and 100 ppm.
  • Component 1 Glucopon 215 45.4% by weight
  • Component 2 HD-Oce ⁇ ol 80/85 4.9% by weight
  • the mixture of recyclable materials according to the invention is suitable for suppressing the pathogen causing root fire (Pythium ultimum) in growth (Table 5).
  • the effect is based on the total mixing because all three tested components are involved in the inhibitory effect.
  • the fungicide Derosal * is ineffective against the pathogen, the fungicide Folicur has only limited effectiveness. Table 5
  • the invention is particularly important in the case of isolates which have developed resistance to conventional fungicides, e.g. as shown here: two out of four M. ⁇ / Va / e isolates (Table 6).
  • the mixture of recyclable materials according to the invention is suitable for suppressing the red spike pathogen (Laetisaria fuciformis) during growth (Table 7).
  • the effect is based on the total mixing because all three tested components are involved in the inhibitory effect.
  • the mixture of recyclable materials according to the invention is suitable for suppressing the pathogen causing leaf blotch disease (Drechslera dictyoides) in growth (Table 8).
  • the fungicide Derosal * was less effective than the mixture of recyclable materials according to the invention.
  • the mixture of recyclable materials according to the invention is suitable for suppressing the pathogen causing leaf blotch disease (Drechslera siccans) in growth (Table 9).
  • the fungicide Derosal * was absolutely ineffective against the pathogen.
  • the mixture of recyclable materials according to the invention is suitable for suppressing the pathogen causing leaf blotch disease (Drechslera poae) in growth (Table 10).
  • the fungicide Derosal * was ineffective against the pathogen, the fungicide Folicur was only effective in high doses.
  • the mixture of recyclable materials according to the invention - as shown in the previous example - supports the curative action of fungicides (in the example: derosal) and can be used in particular in cases in which resistance is to be expected, e.g. for Drechslera, Pythium or Microdochium species.
  • the mixture of recyclable materials according to the invention thus expands the possible uses of conventional fungicides.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
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  • Forests & Forestry (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Mycology (AREA)
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  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Saccharide Compounds (AREA)
  • Cultivation Of Plants (AREA)

Abstract

L'invention concerne l'utilisation de préparations aqueuses d'alcools gras et/ou d'esters partiels d'acides gras contenant des alcools inférieurs multifonctionnels mélangés à des composés tensioactifs écologiquement compatibles de la classe des alkyl(poly)hétérosides de type aqueux, sous la forme d'une composition de matières premières dont l'action permet de renforcer et/ou d'assainir les végétaux contre l'attaque par des champignons phytopathogènes et/ou des nuisibles liés au sol.
EP99932767A 1998-07-10 1999-07-01 Renforcement de la croissance des vegetaux pour lutter contre les champignons phytopathogenes et/ou nuisibles lies au sol Withdrawn EP1096853A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19830889 1998-07-10
DE1998130889 DE19830889A1 (de) 1998-07-10 1998-07-10 Stärkung des Pflanzenwachstums gegen phytopathogene Pilze und/oder bodenständige Schädlinge
DE19849253 1998-10-26
DE19849253A DE19849253A1 (de) 1998-10-26 1998-10-26 Verbesserte Wertstoffgemische zur Förderung des Pflanzenwachstums und der Pflanzengesundheit
PCT/EP1999/004533 WO2000002451A1 (fr) 1998-07-10 1999-07-01 Renforcement de la croissance des vegetaux pour lutter contre les champignons phytopathogenes et/ou nuisibles lies au sol

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JP (1) JP2002520257A (fr)
KR (1) KR20010053470A (fr)
CN (1) CN1311631A (fr)
AU (1) AU4903599A (fr)
BR (1) BR9912027A (fr)
CA (1) CA2337535A1 (fr)
HU (1) HUP0104084A2 (fr)
ID (1) ID27387A (fr)
MX (1) MXPA01000273A (fr)
NO (1) NO20010153L (fr)
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JP2001316204A (ja) * 2000-04-28 2001-11-13 Kao Corp 植物活力剤
DE10107714A1 (de) * 2001-02-19 2002-08-22 Cognis Deutschland Gmbh Adjuvantien für biologische Pflanzenschutzmittel
CN103620861B (zh) * 2011-06-21 2017-02-15 恩特格里斯公司 从锂离子电池回收锂钴氧化物的方法
JP2024018664A (ja) * 2022-07-29 2024-02-08 イビデン株式会社 植物賦活剤

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WO2024194047A1 (fr) 2023-03-22 2024-09-26 Mbp 4 Life Sl Procédé d'élicitation pour stimuler une réponse du système immunitaire de plantes

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NO20010153D0 (no) 2001-01-09
ID27387A (id) 2001-04-05
TR200003811T2 (tr) 2001-06-21
CA2337535A1 (fr) 2000-01-20
BR9912027A (pt) 2001-11-20
AU4903599A (en) 2000-02-01
MXPA01000273A (es) 2002-10-17
NO20010153L (no) 2001-03-08
KR20010053470A (ko) 2001-06-25
CN1311631A (zh) 2001-09-05
WO2000002451A1 (fr) 2000-01-20
JP2002520257A (ja) 2002-07-09

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