WO2018163970A1 - 貯穀害虫防除用立体防虫シート - Google Patents
貯穀害虫防除用立体防虫シート Download PDFInfo
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- WO2018163970A1 WO2018163970A1 PCT/JP2018/007863 JP2018007863W WO2018163970A1 WO 2018163970 A1 WO2018163970 A1 WO 2018163970A1 JP 2018007863 W JP2018007863 W JP 2018007863W WO 2018163970 A1 WO2018163970 A1 WO 2018163970A1
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- Prior art keywords
- dimensional
- insect repellent
- repellent sheet
- sheet
- insect
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- 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
- A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
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- 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
- A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
Definitions
- the present invention relates to a three-dimensional insect repellent sheet for the purpose of controlling stored grain pests.
- Examples of pests occurring in houses, buildings, warehouses, factories, etc. include sanitary pests, unpleasant pests, wood pests, and stored grain pests, and the damage caused by them is diversifying. As a method for controlling these pests, spraying of insecticides such as aerosols and smoke treatment have been performed.
- insect repellent sheets containing a chemical exhibiting an insect repellent effect For example, in Patent Document 1, a pest repellent sheet containing a room temperature volatile pest repellent component that hardly transfers odor to food and drink is installed in the food and drink container, and the intrusion of the pest into the food and drink container is taken for 3 months.
- a pest repellent method for a food and drink container that prevents it over a long period of time is disclosed. In the method disclosed in Patent Document 1, a room temperature volatile pest repellent component is volatilized from a pest repellent sheet at a rate of 1 to 200 mg / day / m 2 per sheet.
- Patent Document 2 discloses a pest repellent laminated sheet material having a laminated structure in which a drug-containing resin layer containing a pyrethroid type drug is sandwiched between two layers of the same type or different types and exhibiting an insecticidal effect. Has been. At least one of the two sheet layers is a drug-permeable sheet layer that is permeable to the pyrethroid drug.
- Patent Document 3 discloses a pest repellent component which is p-menthane-3,8-diol and / or p-menthane-1,8-diol, 1,3-butylene glycol, diethylene glycol monobutyl ether, dipropylene Pest repellents containing or carrying a potency enhancer selected from glycol monomethyl ether and 1-methoxy-1,2-propanediol are disclosed.
- Patent Document 4 discloses an insect repellent resin composition containing 1-methyl-2-nitro-3-[(3-tetrahydrofuryl) methyl] guanidine in a polyolefin resin, and the insect repellent resin composition.
- An insect repellent molded body made from a raw material is disclosed.
- Patent Document 5 discloses an insect repellent sheet containing one and / or two or more of obacnon, nomiline, limonin, deoxylimonin, deacetylnomyrin and limonoxy acid.
- Non-Patent Document 1 discloses a tape-shaped preparation containing a pyriproxyfen agent.
- Pyriproxyfen is an insect growth regulator and does not show insecticidal activity against adult whiteflies and has the effect of suppressing hatching of laid eggs.
- Non-Patent Document 2 discloses a pest repellent decorative plywood showing a pest repellent effect.
- Non-Patent Document 3 discloses a film tape-like repellent member that exhibits a pest repellent effect.
- One aspect of the present invention has been made in view of the above-mentioned problems, and the object thereof is to provide an insecticidal effect against stored larvae of stored grain pests inside a powder reservoir, which has been difficult to control by conventional techniques, and The object is to realize a three-dimensional insect repellent sheet that can easily remove pests even in places where cleaning is difficult.
- a three-dimensional insect repellent sheet contains an insect growth control agent on at least a surface, and has a three-dimensional surface constituting a concavo-convex structure, and the surface has the concavo-convex structure. It is characterized by being included in at least a part of the structure.
- an insecticidal effect is exhibited against larvae of stored grain pests inside a powder reservoir, which was difficult to control with the prior art, and the pests are easily controlled even in places where cleaning is difficult. There is an effect that can be.
- seat which concerns on Embodiment 1 of this invention is shown, (a) is a perspective view, (b) is a side view, (c) is the grain powder which can become the bait
- seat which concerns on Embodiment 1 of this invention is shown, (a) is a perspective view, (b) is a side view.
- seat which concerns on Embodiment 2 of this invention is shown, (a) is a perspective view, (b) is a top view, (c) is a side view.
- seat which concerns on Embodiment 3 of this invention is shown, (a) is a perspective view, (b) is a top view, (c) is a side view.
- FIG. 1 shows a configuration of a three-dimensional insect repellent sheet 10 according to the present embodiment, in which (a) of FIG. 1 is a perspective view, (b) of FIG. 1 is a side view, and (c) of FIG. It is a side view which shows the state in which the grain powder which can become a bait
- the three-dimensional insect repellent sheet 10 is a sheet body 1 including a front surface 1a and a back surface 1b on which powder is deposited.
- the insect growth control agent only needs to be contained in at least the front surface 1 a of the front surface 1 a and the back surface 1 b of the sheet body 1.
- the insect growth control agent may or may not be included in the back surface 1b.
- the sheet body 1 is constituted by a three-dimensional surface having an uneven structure on the entire surface. More specifically, the surface 1a of the sheet main body 1 is a three-dimensional surface having a wave-like structure, and a top portion 1c and a bottom top portion 1d extending in a predetermined direction are repeatedly formed. That is, the three-dimensional insect repellent sheet 10 has a corrugated shape in which the sheet body 1 is folded in a wave shape.
- the three-dimensional insect repellent sheet 10 is installed in food factories, flour mills, warehouses, etc. that handle grain powder such as wheat flour, for example, at high places where cleaning is difficult, under and inside large equipment, and other places where grain powder is likely to accumulate. Is done. In addition, the vicinity of cooking appliances that require labor and time for spraying insecticides is also an example of a suitable installation location.
- the three-dimensional insect repellent sheet 10 is installed such that the surface 1a is on the upper side.
- the direction perpendicular to the surface on which the three-dimensional insect repellent sheet 10 is installed is the Z direction
- the direction in which the top 1c and the bottom top 1d extend is the X direction
- the direction perpendicular to both the X direction and the Z direction is Y. The direction.
- a powder layer 20 made of grain powder is deposited on the surface 1a.
- the powder layer 20 serving as a larvae feed serves as a spawning place for adults of stored grain pests.
- the insect growth control agent contained in the three-dimensional insect repellent sheet 10 inhibits the hatching of stored-grain insects, and also inhibits the growth and emergence of larvae.
- the insect repellent effect of a period can be acquired.
- the “corrugated shape” as used herein means a shape having a slope, and the top portion 1 c and the bottom top portion 1 d are repeatedly configured along the in-plane direction of the sheet body 1.
- the corrugated shape is formed by slopes, and the top portion 1c and the bottom top portion 1d are straight portions where two slopes intersect.
- the shape of the top portion 1c and the bottom top portion 1d is not particularly limited as long as there is a height difference, and may be a flat surface.
- the three-dimensional insect repellent sheet 10 ′ shown in FIG. 1D has a corrugated shape in which the bottom top 1 d ′ is a flat surface.
- the upper limit of the height in the Z-axis direction of the three-dimensional surface uneven structure of the three-dimensional insect repellent sheet 10 is preferably 30 mm, and more preferably 20 mm. Further, the lower limit is preferably 5 mm, and more preferably 10 mm. The range from the upper limit value to the lower limit value is suitable in terms of convenience and insect-proof effect.
- the upper limit value is preferably 90 °, more preferably 60 °, and particularly preferably 55 °.
- the lower limit is preferably 10 °, more preferably 40 °, and particularly preferably 45 °.
- the three-dimensional insect repellent sheet according to the present invention can be installed by curving the sheet when the installation location is not flat, such as on a pipe.
- insect pests that can exert an excellent insect repellent effect by using the three-dimensional insect repellent sheet 10 according to the present embodiment are stored grain pests in general, and more specifically, weevil such as weevil and weevil, azuki beetle, and weevil Bean weevil, beetle weevil such as beetle beetle, cigarette beetle such as tobacco beetle and dinosa beetle, beetle beetle such as beetle beetle, beetle beetle such as beetle beetle, beetle beetle such as beetle beetle, beetle beetle such as beetle beetle Japanese cuttleworms, Nossara moths, Japanese moths Riga, Japanese moths, Japanese moths, Japanese moths, Japanese moths, Japanese hornworms, Japanese hornworms Strike, red flour such as flour, Keshikisu
- the three-dimensional insect repellent sheet 10 can obtain a high control effect against any of these pests, but the pests of weevil, scallop, moths, scab beetles, or worm beetles are particularly pests that can obtain a high insect repellent effect. Can be mentioned.
- the three-dimensional insect repellent sheet 10 targets one or two or more kinds of stored grain pests among these exemplified pests.
- the three-dimensional insect repellent sheet 10 of the present embodiment can be installed at any place where powder accumulation that is a source of larvae is easily formed. For this reason, it is preferable that the sheet main body 1 contains an insect growth control agent having an effect of preventing larvae emergence and / or egg hatching, or both.
- suitable insect growth control agents used in the three-dimensional insect repellent sheet 10 of the present embodiment include juvenile hormone inhibitors such as hydroprene, quinoprene, methoprene, phenoxycarb, and pyriproxyfen, clofentadine, difluvidazine, hexithiazox, etoxazole.
- juvenile hormone inhibitors such as hydroprene, quinoprene, methoprene, phenoxycarb, and pyriproxyfen, clofentadine, difluvidazine, hexithiazox, etoxazole.
- Tick growth inhibitors such as bistrifluron, clofluazuron, diflubenzuron, flucyclozurone, flufenozuron, hexaflumuurone, lufenuron, nobarulone, nobiflumuron, teflubenzuron, buprofezin and other chitin synthesis inhibitors, cyromazine and other emergence inhibitors, chroma Endocrine disrupting agents such as phenozide, halophenozide, methoxyphenozide, tebufenozide and the like can be mentioned.
- Preferable examples include juvenile hormone inhibitors, and particularly preferable examples include pyriproxyfen.
- Suitable processing amount of pyriproxyfen is 2 ⁇ 1500mg / m 2 with respect to the footprint, further suitable processing amount is 5-1000mg / m 2.
- the “installation area” here is an area of a region where the three-dimensional insect repellent sheet 10 is installed.
- the insect growth control agent used in the three-dimensional insect repellent sheet 1 of the present embodiment may contain a fungicide, an antibacterial agent, and the like as long as the effects of the present embodiment are not impaired.
- the form of the insect growth control agent contained in the sheet body is not particularly limited as long as it contains at least the surface 1a containing the insect growth control agent, and can be appropriately set according to the material of the sheet body 1 and the like.
- the surface 1a of the sheet body 1 may be constituted by a resin layer made of a resin composition containing an insect growth control agent.
- the three-dimensional insect repellent sheet 10 may be a sheet obtained by being immersed in a solution containing an insect growth control agent having a predetermined concentration. Thereby, an insect growth control agent is contained in at least the surface 1a of the sheet body.
- the material of the sheet body 1 of the three-dimensional insect repellent sheet 10 is not particularly limited as long as it can contain an insect growth control agent on at least the surface 1a and can form a three-dimensional surface.
- Examples of the material of the sheet body 1 include paper, polyethylene, polypropylene, and polyethylene terephthalate. Among these, polypropylene and polyethylene terephthalate are preferable examples from the viewpoint of durability of the sheet body 1.
- the shape of the sheet main body 1 is not particularly limited, such as a film shape, a net shape, or a non-woven fabric shape.
- the shape of the sheet body 1 is a nonwoven fabric
- a polypropylene nonwoven fabric or a polyethylene terephthalate nonwoven fabric as the material of the sheet body 1.
- Zaburn DuPont Co., Ltd.
- the polyethylene terephthalate nonwoven fabric currently distribute
- Marix Marix (Unitika Ltd.) etc. are mentioned.
- FIG. 2 shows a configuration of a three-dimensional insect repellent sheet 10A as a modified example
- FIG. 2 (a) is a perspective view
- FIG. 2 (b) is a side view.
- a three-dimensional insect repellent sheet 10A as a modification includes a sheet body 1 and a pressure-sensitive adhesive sheet 2 (pressure-sensitive adhesive layer) containing a pressure-sensitive adhesive.
- the pressure-sensitive adhesive sheet 2 is provided by being bonded to a back surface 1b on the side opposite to the front surface 1a in the sheet main body 1.
- the adhesive sheet 2 is provided in this way, the three-dimensional insect repellent sheet 10A can be firmly fixed to the installation surface, and as a result, the sheet can be prevented from dropping even when installed at a high place for a long time. be able to.
- FIG. 3 shows a configuration of a three-dimensional insect repellent sheet 10C according to the present embodiment
- FIG. 3 (a) is a perspective view
- FIG. 3 (b) is a top view
- FIG. 3 (c) is a side view.
- FIG. 3 As shown in FIGS. 3A to 3C, the three-dimensional insect repellent sheet 10C according to the present embodiment is a three-dimensional surface in which the surface 4a of the sheet body 4 has a protrusion structure having protrusions 5. However, this is different from the first embodiment.
- the protrusion 5 is the structure protruded in multiple numbers from the base 4b of the sheet
- the surface 4a is a three-dimensional surface composed of a protrusion structure having the protrusions 5. Therefore, by installing the three-dimensional insect repellent sheet 10 ⁇ / b> B in the same place as the three-dimensional insect repellent sheet 10, the three-dimensional insect repellent sheet 10 ⁇ / b> B exhibits the same insect repellent effect as the three-dimensional insect repellent sheet 10.
- the three-dimensional insect repellent sheet 10B shown in FIGS. 3A to 3C has a configuration in which a protrusion 5 as a resin molded body is provided on the base 4b.
- the three-dimensional insect repellent sheet 10C according to the present embodiment has the configuration shown in FIGS. 3A to 3C as long as the surface 4a is a three-dimensional surface having a protruding structure having the protrusions 5.
- the sheet body 4 of the three-dimensional insect repellent sheet 10B may be a molded body in which the base portion 4b and the protrusions 5 are integrally formed.
- FIGS. 4A and 4B show the configuration of the three-dimensional insect repellent sheet 10C according to this embodiment.
- FIG. 4A is a perspective view
- FIG. 4B is a top view
- FIG. 4C is a side view.
- the three-dimensional insect repellent sheet 10C according to the present embodiment is different from the first embodiment in that it is a three-dimensional surface composed of a partition structure having a plurality of partition portions 6c. Different.
- the partition portion 6c is configured to be partitioned by a wall portion 6b that stands on the surface 6a of the sheet body 6. Both the surface 6a and the wall 6b in the sheet body 6 contain a drug.
- the three-dimensional insect repellent sheet according to one aspect of the present invention contains an insect growth control agent on at least a surface, and has a three-dimensional surface constituting an uneven structure, and the surface is at least one of the uneven structure. This is a configuration included in the section.
- the cereal powder since it has a three-dimensional surface composed of a concavo-convex structure, for example, when a three-dimensional insect repellent sheet is installed in advance in a place where cereal powder is easily deposited, the cereal powder is contained in the concave portion of the concavo-convex structure. Accumulate and form a puddle. The larvae of stored-grain pests breed and grow in this pool. According to said structure, the insect repellent effect excellent with respect to the stored grain pest which uses the powder pool formed in the recessed part of the three-dimensional insect repellent sheet
- the three-dimensional insect repellent sheet having the above-described configuration can exterminate stored-grain pests for a long period of time by replacement after a certain period. Therefore, if a three-dimensional insect repellent sheet having the above-described configuration is used, it is possible to easily remove pests for a long period of time even in places where cleaning is difficult.
- an insect-repellent effect can be exerted on an arbitrary place where larvae are likely to reproduce, and a pest can be easily controlled even in a place where cleaning is difficult.
- the insect pests are effective against the larvae of stored grain pests inside the powder reservoir, which was difficult to control with the prior art, and the pests can be easily controlled even in places where cleaning is difficult. There is an effect that can be done.
- insect growth control agent is an agent that has an effect of inhibiting the hatching of stored-grain pest eggs or the effect of inhibiting the growth or emergence of larvae of stored-grain pests.
- the three-dimensional surface may have a waveform-shaped structure.
- the three-dimensional surface has a corrugated structure
- the three-dimensional insect repellent sheet when installed in advance in a place where powder accumulation can be easily performed, grain powder accumulates in the concave portions of the corrugated shape, so It is formed. Therefore, according to said structure, the insect repellent effect outstanding with respect to the stored grain pest which uses the powder accumulation deposited in the corrugated recessed part as a generation source is shown.
- the three-dimensional surface may have a protrusion structure having a protrusion.
- the three-dimensional surface has a protrusion structure having protrusions
- the three-dimensional insect repellent sheet when installed in advance in a place where powder accumulation is easy, grain powder accumulates between the plurality of protrusions. A dust pocket is formed. Therefore, according to said structure, the outstanding insect-proof effect is shown with respect to the stored grain pest which uses the dust pool accumulated between protrusions as a generation source.
- the three-dimensional surface may have a partition structure including a plurality of partition portions partitioned by a wall portion standing on the surface.
- the said three-dimensional surface consists of a partition structure provided with two or more partition parts partitioned by the wall part standingly arranged with respect to the said surface, it is beforehand set in the place where a three-dimensional insect repellent sheet
- seat is easy to be powdered.
- the grain powder accumulates in the plurality of partitions to form a powder pool. Therefore, according to said structure, the outstanding insect-proof effect is shown with respect to the stored grain pest which uses the powder accumulation deposited in the partition part as a generation source.
- the height of the concavo-convex structure is preferably 5 to 30 mm.
- the range of the height of the concavo-convex structure is suitable in terms of convenience and insect repellent effect.
- an adhesive layer may be provided.
- the adhesive layer is provided, for example, even when a three-dimensional insect repellent sheet is installed at a high place, it can be used for a long time without falling.
- the target pest is one or two or more kinds of stored grain pests selected from the group consisting of weevil, scallop, moths, scallops, and beetles. May be.
- the insect growth control agent contains pyriproxyfen as an active ingredient.
- the concave portion on the three-dimensional surface functions as a portion where grain powder is deposited and a powder pool is formed.
- the introduced adults were removed from the container after 7 days. Thereafter, the glass container was allowed to stand at 25 ° C., and the number of adults emerged in the container was counted 11 weeks after removing the adults.
- the insect repellent rate was calculated using the number of adult emergence in the container in which the three-dimensional insect repellent sheet 1-1 or the flat insect repellent sheet A-1 was installed and the number of adult emergence in the non-drug group.
- the insect repellent rate was calculated by the following formula.
- the test group treated with pyriproxyfen was defined as a drug group, and the test group not treated with pyriproxyfen was defined as an untreated group.
- Insect repellent rate (%) (number of adult emergence in untreated group ⁇ number of adult emergence in drug group) / number of adult emergence in untreated group Table 1 shows the results of the efficacy test.
- the insecticidal rate of 80-100% is A, 50-79% is B, and less than 50% is C.
- the introduced adults were removed from the container after 7 days. Then, the glass container was left still under 25 degreeC conditions, and the number of adults which emerged in the container was counted 15 weeks after removing an adult.
- the insect repellent rate was calculated using the number of adult emergence in the container in which the three-dimensional insect repellent sheet 1-1 or the flat insect repellent sheet A-1 was installed and the number of adult emergence in the non-drug group.
- the insect repellent rate was calculated by the following formula.
- the test group treated with pyriproxyfen was defined as a drug group, and the test group not treated with pyriproxyfen was defined as an untreated group.
- Insect control rate (%) (number of adult emergence in untreated group ⁇ number of adult emergence in drug group) / number of adult emergence in untreated group Table 2 shows the results of the efficacy test.
- the insecticidal rate of 80-100% is A, 50-79% is B, and less than 50% is C.
- the introduced adults were removed from the container after 7 days. Then, the glass container was left still under 25 degreeC conditions, and the number of adults which emerged in the container was counted 14 weeks after removing an adult.
- the insect repellent rate was calculated using the number of adult emergence in the container in which the three-dimensional insect repellent sheet 1-2 or the flat insect repellent sheet A-2 was installed, and the number of adult emergence in the non-drug group.
- the insect repellent rate was calculated by the following formula.
- the test group treated with pyriproxyfen was defined as a drug group, and the test group not treated with pyriproxyfen was defined as an untreated group.
- Insect repellent rate (%) (number of adult emergence in untreated group ⁇ number of adult emergence in drug group) / number of adult emergence in untreated group Table 3 shows the results of the efficacy test.
- the insecticidal rate of 80-100% is A, 50-79% is B, and less than 50% is C.
- the introduced adults were removed from the container after 7 days. Then, the glass container was left still under 25 degreeC conditions, and the number of adults which emerged in the container was counted 15 weeks after removing an adult.
- the insect repellent rate was calculated using the number of adult emergence in the container in which the three-dimensional insect repellent sheet 1-3 or the flat insect repellent sheet A-3 was installed, and the number of adult emergence in the non-chemical area.
- the insect repellent rate was calculated by the following formula.
- the test group treated with pyriproxyfen was defined as a drug group, and the test group not treated with pyriproxyfen was defined as an untreated group.
- Insect control rate (%) (number of emergence of adults in untreated group ⁇ number of adults of emergence in drug group) / number of adults in emergence of untreated group Table 4 shows the results of the efficacy test.
- the insecticidal rate of 80-100% is A, 50-79% is B, and less than 50% is C.
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Abstract
Description
以下、本発明の実施の形態について、詳細に説明する。図1は、本実施形態に係る立体防虫シート10の構成を示し、図1の(a)は斜視図であり、図1の(b)は側面図であり、図1の(c)は、貯穀害虫の幼虫の餌となり得る穀物粉末が堆積された状態を示す側面図である。
本実施形態に係る立体防虫シート10を用いることにより優れた防虫効果を発揮し得る害虫としては、貯穀害虫一般、より具体的には、コクゾウムシ、ココクゾウムシなどのゾウムシ類、アズキゾウムシ、マメゾウムシなどのマメゾウムシ類、ワタミヒゲナガゾウムシなどのヒゲナガゾウムシ類、タバコシバンムシ、ジンサンシバンムシなどのシバンムシ類、ヒラタキクイムシなどのヒラタキクイムシ類、ノコギリヒラタムシ、オオメノコギリヒラタムシなどのホソヒラタムシ類、ヒメカツオブシムシ、ヒメマルカツオブシムシなどのカツオブシムシ類、ノシメマダラメイガ、ガイマイツヅリガ、スジマダラメイガなどのメイガ類、バクガなどのキバガ類、コクヌストモドキ、ガイマイゴミムシダマシなどのゴミムシダマシ類、ホソチビコクヌスト、コクヌスト等のコクヌスト類、ガイマイデオキスイ、コメノケシキスイなどのケシキスイ類、コナナガシンクイムシなどのナガシンクイムシ類、ナガヒョウホンムシなどのヒョウホンムシ類、ヒラタチャタテなどのコナチャタテ類などが挙げられる。立体防虫シート10は、これらの害虫のいずれに対しても高い防除効果が得られるが、特に高い防虫効果が得られる害虫としてゾウムシ類、ホソヒラタムシ類、メイガ類、シバンムシ類、またはゴミムシダマシ類の害虫が挙げられる。立体防虫シート10は、これら例示した害虫のうち1種または2種以上の貯穀害虫を対象とするものである。
本実施形態の立体防虫シート10は幼虫の発生源となる粉溜りができやすい任意の場所に設置され得る。このことから、シート本体1には、幼虫の羽化防止効果若しくは卵の孵化防止効果、またはこれら両方の効果を有する昆虫成育制御剤を含有させることが好ましい。
本実施形態に係る立体防虫シートの変形例について説明する。図2は、この変形例としての立体防虫シート10Aの構成を示し、図2の(a)は斜視図であり、図2の(b)は側面図である。
本発明のさらに他の実施形態について、図3に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、前記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
本発明のさらに他の実施形態について、図4に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、前記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
以上のように、本発明の一態様に係る立体防虫シートは、少なくとも表面に昆虫成育制御剤を含有するとともに、凹凸構造を構成する立体表面を有し、前記表面は、前記凹凸構造の少なくとも一部に含まれている構成である。
ろ紙(ADANTEC 定性ろ紙NO.2 東洋濾紙(株)製)をZ軸方向高さ10mm、頂点の角度50°になるように波形に加工した後、ピリプロキシフェン(住友化学(株)製)を2-プロパノール(関東化学(株)製)に溶解させた薬剤液を、シート(x軸×y軸)1m2あたりピリプロキシフェン5mgの割合で塗布し乾燥させ立体防虫シート1-1を作製した。
ピリプロキシフェンの塗布量をシート1m2あたり1000mgに変更した他は、製造例1と同様の方法にて立体防虫シート1-2を作製した。
ポリエチレンテレフタレート不織布(マリックス#82007BSO、ユニチカ株式会社製)をZ軸方向高さ10mm、頂点の角度50°になるように波形に加工した後、ピリプロキシフェン(住友化学(株)製)を2-プロパノール(関東化学(株)製)に溶解させた薬剤液を、シート(x軸×y軸)1m2あたりピリプロキシフェン1000mgの割合で塗布し乾燥させ立体防虫シート1-3を作製した。
ろ紙(ADANTEC 定性ろ紙NO.2 東洋濾紙(株)製)に、ピリプロキシフェン(住友化学(株)製)を2-プロパノール(関東化学(株)製)に溶解させた薬剤液を、シート(x軸×y軸)1m2あたりピリプロキシフェン5mgの割合で塗布し乾燥させ平面防虫シートA-1を作製した。
ピリプロキシフェンの塗布量をシート1m2あたり1000mgに変更した他は、比較製造例1と同様の方法にて平面防虫シートA-2を作製した。
ポリエチレンテレフタレート不織布(マリックス#82007BSO、ユニチカ株式会社製)に、ピリプロキシフェン(住友化学(株)製)を2-プロパノール(関東化学(株)製)に溶解させた薬剤液を、シート(x軸×y軸)1m2あたりピリプロキシフェン1000mgの割合で塗布し乾燥させ平面防虫シートA-3を作製した。
立体防虫シート1-1及び平面防虫シートA-1を、直径8.5cmの円形に切断し、それぞれを別のガラス容器(直径9cm、高さ10cm)の底部に敷いた。その後、グラハム粉(製品名DC全粒粉、鳥越製粉(株)製)40グラムをガラス容器内の各シート上に添加した。その後、該ガラス容器内にコクヌストモドキ成虫を15頭放虫し、25℃条件下で静置した。対照の検体として、ピリプロキシフェンを塗布しないろ紙を設置した容器も用意し、前記と同様に、ろ紙上に40グラムのグラハム粉を添加し、コクヌストモドキ成虫を15頭放虫し、25℃条件下で静置した。投入した成虫は7日後に容器から取り除いた。その後、ガラス容器を25℃条件下で静置し、成虫を取り除いてから11週後に容器内で羽化した成虫数を計数した。立体防虫シート1-1または平面防虫シートA-1を設置した容器内での羽化成虫数、無薬剤区での羽化成虫数を用い、防虫率を算出した。
防虫率(%)=(無処理区の羽化成虫数-薬剤区の羽化成虫数)/無処理区の羽化成虫数
効力試験の結果を表1に示す。なお、防虫率が80~100%のものをA、50~79%のものをB、50%未満のものをCとした。
立体防虫シート1-1及び平面防虫シートA-1を、直径8.5cmの円形に切断し、それぞれを別のガラス容器(直径9cm、高さ10cm)の底部に敷いた。その後、グラハム粉(製品名DC全粒粉、鳥越製粉(株)製)40グラムをガラス容器内の各シート上に添加した。その後、該ガラス容器内にノコギリヒラタムシ成虫を15頭放虫し、25℃条件下で静置した。対照の検体として、ピリプロキシフェンを塗布しないろ紙を設置した容器も用意し、前記と同様に、ろ紙上に40グラムのグラハム粉を添加し、ノコギリヒラタムシ成虫を15頭放虫し、25℃条件下で静置した。投入した成虫は7日後に容器から取り除いた。その後、ガラス容器を25℃条件下で静置し、成虫を取り除いてから15週後に、容器内で羽化した成虫数を計数した。立体防虫シート1-1または平面防虫シートA-1を設置した容器内での羽化成虫数、無薬剤区での羽化成虫数を用い、防虫率を算出した。
防虫率(%)=(無処理区の羽化成虫数-薬剤区の羽化成虫数)/無処理区の羽化成虫数
効力試験の結果を表2に示す。なお、防虫率が80~100%のものをA、50~79%のものをB、50%未満のものをCとした。
立体防虫シート1-2及び平面防虫シートA-2を、直径8.5cmの円形に切断し、それぞれを別のガラス容器(直径9cm、高さ10cm)の底部に敷いた。その後、実験動物用飼料(製品名MF粉末、オリエンタル酵母工業(株)製)30グラムをガラス容器内の各シート上に添加した。その後、該ガラス容器内にタバコシバンムシ成虫を15頭放虫し、25℃条件下で静置した。対照の検体として、ピリプロキシフェンを塗布しないろ紙を設置した容器も用意し、前記と同様に、ろ紙上に30グラムの実験動物用飼料を添加し、タバコシバンムシ成虫を15頭放虫し、25℃条件下で静置した。投入した成虫は7日後に容器から取り除いた。その後、ガラス容器を25℃条件下で静置し、成虫を取り除いてから14週後に、容器内で羽化した成虫数を計数した。立体防虫シート1-2または平面防虫シートA-2を設置した容器内での羽化成虫数、無薬剤区での羽化成虫数を用い、防虫率を算出した。
防虫率(%)=(無処理区の羽化成虫数-薬剤区の羽化成虫数)/無処理区の羽化成虫数
効力試験の結果を表3に示す。なお、防虫率が80~100%のものをA、50~79%のものをB、50%未満のものをCとした。
立体防虫シート1-3及び平面防虫シートA-3を、直径8.5cmの円形に切断し、それぞれを別のガラス容器(直径9cm、高さ10cm)の底部に敷いた。その後、実験動物用飼料(製品名MF粉末、オリエンタル酵母工業(株)製)30グラムをガラス容器内の各シート上に添加した。その後、該ガラス容器内にタバコシバンムシ成虫を15頭放虫し、25℃条件下で静置した。対照の検体として、ピリプロキシフェンを塗布しないろ紙を設置した容器も用意し、前記と同様に、ろ紙上に30グラムの実験動物用飼料を添加し、タバコシバンムシ成虫を15頭放虫し、25℃条件下で静置した。投入した成虫は7日後に容器から取り除いた。その後、ガラス容器を25℃条件下で静置し、成虫を取り除いてから15週後に、容器内で羽化した成虫数を計数した。立体防虫シート1-3または平面防虫シートA-3を設置した容器内での羽化成虫数、無薬剤区での羽化成虫数を用い、防虫率を算出した。
1a、4a、6a 表面
1b 裏面
1c 頂部
1d、1d’ 底頂部
2 粘着シート(粘着層)
4b 基部
5 突起物
6b 壁部
6c 仕切部
10、10’、10A、10B、10C 立体防虫シート
Claims (9)
- 少なくとも表面に昆虫成育制御剤を含有するとともに、凹凸構造を構成する立体表面を有し、
前記表面は、前記凹凸構造の少なくとも一部に含まれていることを特徴とする立体防虫シート。 - 前記立体表面は、波形形状の構造からなることを特徴とする請求項1に記載の立体防虫シート。
- 前記立体表面は、突起物を有する突起構造からなることを特徴とする請求項1に記載の立体防虫シート。
- 前記立体表面は、前記表面に対し立設する壁部によって仕切られた仕切部を複数備えた仕切構造からなることを特徴とする請求項1に記載の立体防虫シート。
- 前記凹凸構造の高さが5~30mmであることを特徴とする請求項1~4のいずれか1項に記載の立体防虫シート。
- 粘着層が設けられていることを特徴とする請求項1~5のいずれか1項に記載の立体防虫シート。
- 対象害虫が、ゾウムシ類、ホソヒラタムシ類、メイガ類、シバンムシ類、及びゴミムシダマシ類からなる群より選ばれる1種または2種以上の貯穀害虫であることを特徴とする請求項1~6のいずれか1項に記載の立体防虫シート。
- 前記昆虫成育制御剤が、ピリプロキシフェンを有効成分として含むことを特徴とする請求項1~7のいずれか1項に記載の立体防虫シート。
- 昆虫成育制御剤を含む前記表面がポリプロピレン不織布、若しくはポリエチレンテレフタレート不織布により構成されることを特徴とする請求項1~8のいずれか1項に記載の立体防虫シート。
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