JP2002068902A - Repellant against unpleasant insect pest living in soil and repelling method using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a repellent against unpleasant insect pests living in soil capable of reducing unpleasant, dirty and restless feeling caused by the unpleasant inset pests during horticultural works, and to provide a method for repelling unpleasant insect pests living in soil by using the same. SOLUTION: A repellent against unpleasant insect pests consisting of a chemical-supporting material in which a repelling component against the unpleasant insect pests living in the soil is held and molded into a stonelike mass. A method for repelling unpleasant insect pests living in soil in which the repellent against unpleasant insect pests is used as pot bottom stones.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disinfectant pest control agent for soil-dwelling pests that inhabits the bottom or back of a flowerpot, a planter or a potting container, and a soil life using the pesticide as a potstone. The present invention relates to a method for controlling sexually unpleasant pests.

[0002]

2. Description of the Related Art Conventionally, flower pots, planters, and other potting containers (hereinafter referred to as "potting containers") are generally made of pot bottom stones such as pumice stones or pebbles from the viewpoint of enhancing drainage and weight. Around soil (hereinafter referred to as "pot bottom stone")
A layer was formed at the bottom using conglomerates called. Most of the used conglomerates were commercially available potstones, pumice stones, etc., or affordable stones found in vacant lots.

[0003] However, when these conglomerates are used as pot bottom stones, the drainage of the potting vessel, which is one of the important functions for the growth of potted plants, is improved. The amount of drainage increased, and the appropriate humidity in the back of the pot created a comfortable environment for unpleasant pests living on soil. Moreover, if there is a pot plant under the pot plant and adjacent pot plants, etc., the interval that can be made between the pot plants,
For some reason, such as being able to hide from external enemies, this resulted in the provision of a suitable habitat for unpleasant pests living on soil, such as dung beetles and valley beetles, resulting in sensory damage during horticultural work.

[0004]

DISCLOSURE OF THE INVENTION The present invention relates to a soil-living disinfectant for pesticides which can reduce discomfort, uncleanness and anxiety during horticultural work held by disturbing pests and a soil using the same. An object of the present invention is to provide a method for controlling lively unpleasant pests.

[0005]

Means for Solving the Problems The present invention provides: (1) a pesticide pesticidally formed in a stone-like form, comprising a drug carrier holding a pesticidal component against soil-living pests; and And (2) a method for controlling soil-living unpleasant pests, characterized by using the pesticidal composition according to (1) as a pot bottom stone.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The pesticidal composition of the present invention comprises a drug carrier holding an extermination component for soil-living pests and is shaped like a stone.
For example, by having a function as a pot bottom stone, the drainage effect of the flower pot can be enhanced, and a control effect can be exerted on disturbing pests living on soil.

[0007] The substrate used for the drug carrier of the present invention is preferably a material which can withstand use as a pot bottom stone or the like and which can sufficiently hold the drug.

[0008] The shape of the medicine holding body is preferably a shape taking into consideration the functions of the pot bottom stone and the like such as air permeability and drainage. Therefore, a stone-like material such as a pot bottom stone is preferable. Concretely, it can exhibit the function as a pot bottom stone etc. with a simple structure, such as conglomerate, block, cylinder, etc., or if it is a flat plate specification, honeycomb shape, scalloped shape, lattice shape, net shape, etc. It is preferable to have a simple structure with simple structure.

The material of the base material is preferably a porous material from the viewpoint of impregnation and retention of chemicals and the like, drainage properties, moldability, and the like, or a resin from the viewpoints of general versatility, strength, moldability, and the like.

[0010] Examples of the porous material include inorganic polymer materials such as ceramics, silicate, silica, and zeolite. Examples of the resin include polyolefin-based synthetic resins such as polyethylene and polypropylene; polystyrene-based synthetic resins such as polystyrene and styrene foam; and organic polymers such as cellulose, polyvinyl alcohol, vinyl acetate-vinyl chloride copolymer, and styrene-divinylbenzene copolymer. Substances. These can be used singly or in combination of two or more, and can be arbitrarily shaped and used like stones such as pot bottom stones.

[0011] The material of the substrate may be stone, wood, pulp, clay, be it processed, artificial or natural.
Cork materials, gel materials, and the like can be mentioned, and these can be used alone or in combination of two or more, or in combination with the above-described porous substance and / or resin, according to a desired purpose, specification, or the like, for example, pot bottom stones and the like. It can be arbitrarily shaped and used like a stone.

[0012] The disinfectant of the present invention comprises a component for controlling disinfectant pests living on soil, which is held inside and / or on the surface of a substrate. As a method for holding the extermination component, when manufacturing a drug carrier containing the extermination component, for example, the extermination component against soil-living pests and the base material of the drug carrier, for example, extermination of the resin Temperature at which the components do not decompose and lose the insecticidal effect (about 100
~ 150 ° C) with a mixing kettle and stirring, and then using an extrusion method, a diameter of 1 to 1.5 cm and a length of 2 to 2 cm.
The disinfectant pest control agent may be manufactured by processing into a 3 cm cylindrical shape. On the other hand, in the case of manufacturing by carrying the extermination component on the base material of the drug support, an adhesive is preferably used because the exfoliation component can be easily and effectively carried on the base material. The adhesive has an effect of uniformly supporting the extermination component on the surface of the substrate, and examples of such an adhesive include an epoxy resin-based adhesive, a vinyl acetate resin-based adhesive, and an acrylic emulsion-based adhesive. , Alone or as a mixture of two or more. Of these, epoxy resin adhesives and acrylic emulsion adhesives are preferred from the viewpoints of water resistance and moisture resistance. In the case where an adhesive is not used, for example, the base material of the drug holder obtained by previously processing the ceramics or the like as the porous substance into the desired shape is mixed with the extermination component and water, for example, ion exchange. It is immersed in an aqueous solution containing a pesticidal component obtained by mixing with water at 20 to 30 ° C. for about 7 to 12 hours to impregnate the base of the drug carrier with the pesticidal component and then dried to remove the unpleasant pest control agent You can also get

[0013] In the case where the extermination component is contained in the drug carrier, it depends on the selected drug and the base material used.
The content of the extermination component in the drug carrier is 0.01 to 20.
% By weight, more preferably 0.05 to 10% by weight. On the other hand, in the case of a drug carrier impregnated with an extermination component,
It is preferable that 0.001 to 20 parts by weight of the extermination component is supported on 100 parts by weight of the base material of the drug carrier.
More preferably, 005 to 5 parts by weight are supported.

[0014] It is preferable that the insect-controlling component against soil-living unpleasant pests to be held in the drug carrier is at least one selected from the group consisting of organophosphorus, pyrethroid and carbamate insecticides. The compounds in these pesticides may be isomers and / or analogs thereof. When the above pesticides are used in combination, their ratio in the extermination component is not particularly limited, but the target organism, place of use, purpose,
It is desirable that the formulation takes into account a synergistic effect, a desired physical shape or appearance, and the like.

Examples of the organophosphorus insecticide include a phosphorus compound in which two lower alkyl groups via oxygen or sulfur and an oxygen or sulfur atom having an allyl or alkyl group and a double bond are mainly bonded to pentavalent phosphorus. Examples of the acid or phosphonic acid ester or acid amide include, but are not particularly limited to, those that meet the desired insecticidal efficacy, human and animal toxicity, selection of the target component, and the like.

Typical specific examples of the organophosphorus insecticide include diazinon [(2-isopropyl-4-methylpyrimidyl-6) -diethylthiophosphate], fenitrothion, and MEP [O, O-dimethyl-O- (3 -Methyl-4-nitrophenyl) thiophosphate], pyridafenthion [O, O-dimethyl-O- (3-oxo-2-phenyl-2H-pyridazin-6-yl) phosphorothioate], malathion [dimethyldicarbethoxyethyldithio] Phosphate], Dipterex [O,
O-dimethyl-2,2,2-trichloro-1-hydroxyethylphosphonate], chlorpyrifos [O, O
-Diethyl-O- (3,5,6-trichloro-2-pyridyl) -phosphorothioate], fenthion [O, O
-Diethyl-O- (3-methyl-4-methylthiophenyl) -phosphorothioate], dichlorvos [O, O-
Dimethyl-2,2-dichlorovinylphosphate], propetanphos [O-[(E) -2-isopropoxycarbonyl-1-methylvinyl] O-methylethylphosphoramidothioate], abate [O, O, O ', O'-tetramethyl O, O'-thiodi-P-phenylene phosphorothioate], prothiophos [dithiophosphate O-2,
4-dichlorophenyl O-ethyl S-propyl ester], phoxime [O, O-diethyl-O- (α-cyanobenzylideneamino) thiophosphate] and the like.

Examples of the pyrethroid insecticide include, but are not particularly limited to, compounds consisting of an acid moiety containing a cyclopropane ring by an ester bond and an alcohol moiety containing a five-membered unsaturated ketone. There is no limitation as long as it matches the desired insecticidal efficacy, human animal toxicity, target component selection, and the like.

Typical examples of pyrethroid insecticides include phthalthrine [N- (3,4,5,6-tetrahydrophthalimide) -methyl dl-cis / trans-chrysanthemate], dl.d-T80. -Phthalthrin [N- (3,4,5,6-tetrahydrophthalimide)-
Methyl d-cis / trans-chrysanthemate], framethrin [5- (2-propargyl) -3-furylmethyl chrysanthemate], permethrin [3-phenoxybenzyl dl-cis / trans-2,2-dimethyl-3] -(2,2-dichlorovinyl) cyclopropanecarboxylate], phenothrin [3-phenoxybenzyl d-cis / trans-chrysanthemate], imiprosulin [2,4-dioxo-1- (prop-2-ynyl)- Imidazolidine-3-ylmethyl (1R) -cis / trans-chrysanthemate], fenvalerate [α-cyano-3-phenoxybenzyl-2- (4-chlorophenyl) -3-methylbutyrate], cypermethrin [α -Cyano-3-phenoxybenzyl dl-cis / trans-3- (2,2 -Dichlorovinyl) -2,
2-dimethylcyclopropanecarboxylate], cyphenothrin [α-cyano-3-phenoxybenzyl d
-Cis / trans-chrysanthemate], etofenprox [2- (4-ethoxyphenyl) -2-methylpropyl-3-phenoxybenzyl ether], tefluthrin [2,3,5,6-tetrafluoro-4- Methylbenzyl-3- (2-chloro-3,3,3-trifluoro-1-propenyl) -2,2-dimethyl-1-cyclopropanecarboxylate], fenpropatrin [α
-Cyano-3-phenoxybenzyl cis / trans-
2,2,3,3-tetramethylcyclopropanecarboxylate], fenfluthrin [2,3,4,5,6-
Pentafluorobenzyl-dl-cis / trans 3-
(2,2-dichlorovinyl) 2,2-dimethyl-1-cyclopropanecarboxylate], allethrin, resmethrin, neopinamine forte, chryslon forte and the like. Among them, from the viewpoint of insecticidal efficacy,
Permethrin, etofenprox, allethrin, resmethrin, neopinamine forte and chryslon forte are preferred.

Examples of the carbamate insecticides include phenyl N-methyl or nitrogen-containing heterocyclic N, N-dimethylcarbamate, oxime-based and benzofuran-based insecticides. It is not limited to the above, and any material may be used as long as it meets the desired insecticidal efficacy, human and animal toxicity, selection of the target component, and the like. Among these,
From the viewpoint of insecticidal efficacy and human toxicity, carbaryl, fenobucarb and bendiocarb are preferred.

The disinfectant of the present invention can optionally contain various insecticides, natural essential oils, antioxidants, repellents, synergists, bactericides, antibacterials, etc. in the drug carrier. .

Other insecticides include methoxadiazone [5-methoxy-3- (2-methoxyphenyl O-
Oxadiazole insecticides such as 1,3,4-oxadiazol-2 (3H) -one]; imidacloprid [1
-(6-chloro-3-pyridylmethyl) -N-nitroimidazolidin-2-ylideneamine], acetamiprolide [N '-[(6-chloro-3-pyridyl) methyl]
-N'-cyano-N'methylacetonamidiin] and the like.

Examples of natural essential oils and / or components thereof include citral, citronellal, citronellol, eugenol, methyl eugenol, geraniol, cinamic aldehyde, linalool, perilaldehyde, nepetalic acid, methylheptenone, decyl aldehyde, myrcene, geraniol acetate, thymol, Limonene, cineole, pinene, cymene, terpinen, sabinen, elemen, cedren, elemol, vidrol, cedrol,
Hinokitiol, tuyaprisin, tropoloid, hinokitin, tsuyobsen, borneol, camphene, terpineol, terpinyl ester, dipentene, phalandrene, cineole, cariolefin, vanillin, furfural, furfuryl alcohol, pinocalveol,
Pinocorvone, myrtenol, verbenone, carvone,
Oidesmole, piperiton, twene, funky alcohol, methyl anthranilate, bisabolene, bergaptor, nonyl aldehyde, nonyl alcohol, nootkatone, octyl aldehyde, linalyl acetate, geranyl acetate, nerolidol, ocimene, methyl anthranilate, indole, jasmon, Benzaldehyde, pulegone, essential oils containing at least one selected from the above isomers and derivatives and the above isomers and the like are also included.

Examples of the antioxidant include 2,6-di-t-butyl-p-cresol, butylated hydroxyanisole, tocopherol, triphenyl phosphite and the like. These may be used alone or in combination of two or more. Can be. Among these, 2,6-di-t-butyl-p-cresol and butylated hydroxyanisole are preferred from the viewpoint of compatibility with the resin and stability.

In the production of a drug carrier holding the extermination component, a solvent can be used for the purpose of improving the impregnation and diffusion of the exterminating component into the base material of the drug carrier. .

The medicine holding body can be formed into a stone-like, preferably pot bottom stone, decorative stone, paving stone, pot rest, or the like by a conventional method. These can be formed by, for example, dry pressure molding, rocking molding, potter's wheel molding, extrusion molding, casting molding and the like.

[0026] The soil-living unpleasant pest is preferably an organism whose main habitat is the back of a pot. Examples of soil-living unpleasant pests include, for example, duck beetles and valley beetles, millipedes, centipedes, geese, spiders, ants, termites,
Coleoptera, Pteratoids, Collembola, Anopheles, Slugs, Lizards, Geckos and the like.

When the pesticidal composition of the present invention is in the form of a conglomerate, it may be applied as a pot bottom stone, preferably in a layer of 2-3 cm, at the bottom of the potting vessel. The disinfectant pest control agent of the present invention may be applied as a decorative stone to a place where unpleasant pests such as shades in a garden or a veranda inhabit, or may be applied as a paving stone at a front door. When the disinfecting pest control agent has a plate-like shape, a predetermined amount may be laid as a pot bottom stone on the bottom of the pot, or may be used as a pot holder.

When the pesticidal composition of the present invention is used as a potbed stone which is closest to the environment of the back of the bowl where the soil-living pests can easily live, the habitat of the soil-living pests It can be killed with its insecticidal effect against soil-living unpleasant pests that enter the bottom of the pot and stay there. Further, since the soil-living unpleasant pests and the like perceive an inappropriate environment behind the pot and retreat from the place, the habitat of the soil-living unpleasant pests and the like can be reduced.

[0029]

Next, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to the following Examples.

Example 1 90 parts by weight of a conglomerate-like pumice were impregnated with 10 parts by weight of a 0.05% (w / v) solution of ethofenprox in neothiozole F, and then dried at 40 ° C. for 2 hours for discomfort. An insecticide was obtained.

Example 2 90% by weight of conglomerate-like ceramic particles were added to 0.05% (w
/ V) solution of fenitrothion in neothiozole F
After impregnating with 0 parts by weight, it was dried at 40 ° C. for 2 hours to obtain an uncomfortable pest control agent.

Example 3 0.05% by weight of carbaryl, 10% by weight of neothiozole F and 89.95% by weight of polyethylene at 110 ° C.
After mixing using a mixing pot, a cylindrical disinfectant of about 2 cm in diameter and about 3 cm in length was obtained using an extruder.

Test Example 1 A commercially available plastic flower pot (No. 5) with a bottom of 2
The disinfectant pest control obtained in Examples 1 to 3 was applied so as to form a layer having a thickness of 3 cm, and a pansy having a height of about 20 cm was planted and placed in a test area of 25 × 25 cm ² at 20 ° C. for 1 hour.
Left for days. Next, 15 beetles with a body length of about 7 to 8 mm were released under the flower pot and left for 1 day, and the mortality of the beetle was determined. The pansies were regularly watered twice a day.

Test Example 2 Bottom 1c was placed on a commercially available plastic flower pot (No. 5).
The disinfectant pest control agent obtained in Examples 1 to 3 was applied so as to form a layer having a thickness of m, planted a pansy having a height of about 20 cm, and released 60 beetles having a body length of about 7 to 8 mm. After leaving the flowerpot in the 1 m ² test area for 1 day, the mortality of the damselfly was determined. After that, we renewed dung beetle 6
Zero animals were released, and the pots were left to examine the mortality of the damselfly three days later. The pansies were regularly watered twice a day.

The mortality was determined by the following equation. Lethality rate (%) = [(ba) / b] × 100 a = surviving number of damselfly after test b = surviving number of damselfly before test

In each test, the same operation was repeated five times, and the mortality was determined for each. The average value was taken as the mortality rate in each test.

COMPARATIVE EXAMPLE 1 Pumice, which is generally marketed as a pot bottom stone, is applied to a commercially available plastic flower pot (No. 5) so as to form a layer having a bottom thickness of 2 to 3 cm. Pansies were planted as Comparative Example 1, and Test Examples 1 and 2 were performed as in Examples 1 to 3.

The results of Test Example 1 are shown in Table 1, and the results of Test Example 2 are shown in Table 2.

[0039]

[Table 1]

[0040]

[Table 2]

As in Test Example 1, when the applied flower pot was allowed to stand for one day to fill the atmosphere of the extermination component, Example 1
In ~ 3, the beetle arranged at the bottom of the pot does not stay, and most of them show repelling actions such as escaping to the periphery of the flower pot, and then the movement slows down,
Almost everything was fatal.

As in Test Example 2, when the applied flower pots were left in the habitat of the dam bug for 1 day and 3 days and gradually exposed to the atmosphere of the extermination component, Examples 1-3.
The mortality rate after leaving for 1 day was about 50%, and the dramatic lethal effect as in Test Example 1 was not obtained, but the mortality rate after 3 days was 100%, and the effect was reliable. Met. Furthermore, even with regular watering for three days, the extermination effect was sufficient without being reduced.

When Examples 1 to 3 and Comparative Example 1 were compared, Comparative Example 1 had no effect on the infestation of Dermatophagoides, while Examples 1 to 3 had the effect of extermination and control of Dermatophagoides. Was remarkable.

[0044]

EFFECTS OF THE INVENTION The disinfectant pest control agent of the present invention, when used as a pot bottom stone, improves the drainage of a flower pot,
Under the pot (plant back) such as a pot or a planter in which the plant is planted, the atmosphere produced by the drug held by the pesticide is attracted to the smell of humus and kills insects against discomfort pests that enter. It is effective and can eliminate the inhabitants of the unpleasant pests and reduce the sensory damage during horticultural work.

Further, since the pot bottom stone already holds the insecticidal component, it is possible to save time and labor for applying a new chemical treatment for exterminating the unpleasant pests, and to prevent unnecessary spraying of a large amount of the chemical. The effect is that there is a selectivity of not causing harm to organisms that are not the area.

Claims (7)

[Claims] 1. A disinfectant for pesticides formed in a stone-like manner, comprising a drug carrier holding an exterminating component for disturbing pests living on soil. 2. The pesticidal composition according to claim 1, wherein the substrate of the drug carrier is a porous substance and / or a resin. 3. The method according to claim 2, wherein the control component against the soil-living unpleasant pest is retained inside and / or on the surface of the substrate.
The disinfectant pest control agent described in the above. 4. The pesticidal component against soil-living unpleasant pests is at least one member selected from the group consisting of organophosphorus, pyrethroid and carbamate insecticides.
3. The disinfectant pest control agent according to any one of 3. 5. The pesticidal agent according to any one of claims 1 to 4, wherein the soil-living pest insect is an organism whose main habitat is the back of a pot. 6. The pesticidal composition according to claim 1, which is shaped like a potstone and used as a potstone. 7. A method for controlling soil-living pests, which comprises using the pesticidal composition according to claim 1 as a pot bottom stone.