JPWO2019139161A1 - Agricultural insect repellent net - Google Patents
Agricultural insect repellent net Download PDFInfo
- Publication number
- JPWO2019139161A1 JPWO2019139161A1 JP2019564771A JP2019564771A JPWO2019139161A1 JP WO2019139161 A1 JPWO2019139161 A1 JP WO2019139161A1 JP 2019564771 A JP2019564771 A JP 2019564771A JP 2019564771 A JP2019564771 A JP 2019564771A JP WO2019139161 A1 JPWO2019139161 A1 JP WO2019139161A1
- Authority
- JP
- Japan
- Prior art keywords
- insect repellent
- thrips
- whiteflies
- repellent net
- net
- 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.)
- Pending
Links
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Classifications
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- 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
- A01G13/00—Protecting plants
- A01G13/10—Devices for affording protection against animals, birds or other pests
-
- 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
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
- A01M29/34—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water specially adapted for insects
-
- 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
- A01N25/08—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 solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- 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
-
- 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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
- A01N31/14—Ethers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Insects & Arthropods (AREA)
- Birds (AREA)
- Catching Or Destruction (AREA)
- Protection Of Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本発明は、エトフェンプロックスが練り込まれている農業用防虫ネットであり、微小害虫を有効に防除し且つ通気性にも優れている。さらに、本発明の農業用防虫ネットにおいては、以下の態様が好ましい。(1)アザミウマまたはコナジラミ用である。(2)目合いが0.4mm以上0.8mm以下である。(3)エトフェンプロックスが練り込まれたモノフィラメントからなる織物である。The present invention is an agricultural insect repellent net in which Etofenprox is kneaded, which effectively controls minute pests and has excellent breathability. Further, in the agricultural insect repellent net of the present invention, the following aspects are preferable. (1) For thrips or whiteflies. (2) The mesh size is 0.4 mm or more and 0.8 mm or less. (3) A woven fabric made of monofilament kneaded with Etofenprox.
Description
本発明は、アザミウマおよびコナジラミ等の微小害虫用の農業用防虫ネットに関する。 The present invention relates to an agricultural insect repellent net for micropests such as thrips and whiteflies.
農業分野において害虫は、加害様式に応じて食害性や吸汁性等いくつかのタイプに分類される。吸汁性害虫は、作物の表面にストローのような吸管を挿したり、口を押し当てて針のような器官で穴をあける等して作物の汁を吸う。そのため作業従事者は、吸汁性害虫の場合、少数しか存在していない段階ではその寄生に気付きにくく、繁殖等によりある程度数が増え、生育不良や着色異常等の外観変化が生じてから寄生に気付くことが多い。作業従事者が吸汁性害虫の寄生に気付いたときには、駆除が困難な状況となっており、また、作物被害も回復できない程度にまで進んでいることがほとんどである。 In the agricultural field, pests are classified into several types such as feeding damage and sucking property according to the mode of damage. Sucking pests suck crop juice by inserting a straw-like suction tube on the surface of the crop or by pressing the mouth and making a hole with a needle-like organ. Therefore, in the case of sucking pests, workers are less likely to notice the parasitism when only a small number exist, and the number increases to some extent due to breeding, etc., and the parasitism is noticed after appearance changes such as poor growth and abnormal coloring occur. Often. When workers become aware of the infestation of sucking pests, it is difficult to eliminate them, and in most cases, crop damage has progressed to the point where it cannot be recovered.
吸汁性害虫のうち特にアザミウマやコナジラミは、体長10mm以下、ほとんどは3mm以下と小型であるため、上記問題が顕著である。加えて、アザミウマやコナジラミは、ウイルス病を媒介することがある。また、薬剤耐性を持つ種もいる。そのため、アザミウマやコナジラミは徹底した防除が強く望まれる。 Among the sucking pests, thrips and whiteflies are particularly small with a body length of 10 mm or less and most of them are 3 mm or less, so that the above problem is remarkable. In addition, thrips and whiteflies can carry viral diseases. There are also species that are drug resistant. Therefore, thorough control of thrips and whiteflies is strongly desired.
アザミウマやコナジラミを防除する手段として、農薬の散布が普及しているが、近年は、食の安全や環境への配慮から農薬の散布量を減らすことが求められている。そのため、農薬と併用して或いは農薬に替えて農業用防虫ネットが使用される機会が多くなっている。アザミウマやコナジラミに対しては、網目の細かい農業用防虫ネットが使用される。 Spraying pesticides has become widespread as a means of controlling thrips and whiteflies, but in recent years, it has been required to reduce the amount of pesticides sprayed in consideration of food safety and the environment. Therefore, there are increasing opportunities for agricultural insect repellent nets to be used in combination with or in place of pesticides. For thrips and whiteflies, fine-meshed agricultural insect repellent nets are used.
アザミウマやコナジラミを防除するために網目の細かい農業用防虫ネットを使用すると、目の粗い農業用防虫ネットと比較して通気性が妨げられる。夏季の栽培においては通気性を確保し、外部環境との換気を良好とすることが重要である。通気性が悪い場合は被覆内部が高温となり作物の生育阻害を引き起こすだけでなく、作業従事者にも負担が大きく、熱中症にもなりかねない。 The use of fine-meshed agricultural insect repellent nets to control thrips and whiteflies interferes with breathability compared to coarse-grained agricultural insect repellent nets. In summer cultivation, it is important to ensure ventilation and good ventilation with the external environment. If the air permeability is poor, the temperature inside the coating becomes high, which not only hinders the growth of crops, but also puts a heavy burden on the workers and may cause heat stroke.
通気性の問題を解決するため、特許文献1は、赤色で網目が比較的大きな(目合いが0.8mm×0.8mm以上)防虫ネットを提案している。特許文献1の防虫ネットは、赤色が虫に視認されないという知見を利用しているため、網目を大きくしてもアザミウマやコナジラミ等の小型害虫を物理的に防除できると謳っている。しかしながら、実際の現場ではアザミウマやコナジラミは風によって流される、所謂受動的飛来により作物に到達することが多く、この場合、視認の可否関係なく作物に接近してしまう。そのため、特許文献1の防虫ネットは、その効果を十分に発揮できておらず、実際の現場でも効果を存分に発揮できる実用的な農業用防虫ネットの開発が求められていた。 In order to solve the problem of breathability, Patent Document 1 proposes an insect repellent net that is red and has a relatively large mesh (mesh is 0.8 mm × 0.8 mm or more). Since the insect repellent net of Patent Document 1 utilizes the finding that red color is not visible to insects, it claims that small pests such as thrips and whiteflies can be physically controlled even if the mesh is enlarged. However, in the actual field, thrips and whiteflies often reach the crop by so-called passive flight, which is swept away by the wind, and in this case, they approach the crop regardless of visibility. Therefore, the insect repellent net of Patent Document 1 has not been able to sufficiently exert its effect, and there has been a demand for the development of a practical insect repellent net for agriculture that can fully exert its effect even in an actual field.
従って、本発明の目的は、アザミウマおよびコナジラミ等の微小害虫を有効に防除し且つ通気性にも優れた、微小害虫用の農業用防虫ネットを提供することである。 Therefore, an object of the present invention is to provide an agricultural insect repellent net for micro-pests, which effectively controls micro-pests such as thrips and whiteflies and has excellent breathability.
本発明によれば、エトフェンプロックスが練り込まれていることを特徴とする、農業用防虫ネットが提供される。 According to the present invention, there is provided an agricultural insect repellent net characterized by kneading Etofenprox.
さらに、本発明の農業用防虫ネットにおいては、以下の態様が好ましい。
(1)アザミウマまたはコナジラミ用である。
(2)目合いが0.4mm以上0.8mm以下である。
(3)エトフェンプロックスが練り込まれたモノフィラメントからなる織物である。Further, in the agricultural insect repellent net of the present invention, the following aspects are preferable.
(1) For thrips or whiteflies.
(2) The mesh size is 0.4 mm or more and 0.8 mm or less.
(3) A woven fabric made of monofilament kneaded with Etofenprox.
また、本発明によれば、アザミウマおよびコナジラミの防除が特に強く望まれている、ナス科若しくはウリ科の作物の栽培または花卉栽培に使用される農業用防虫ネットも提供される。具体的には、エトフェンプロックスが練り込まれており、目合いが0.4mm以上0.8mm以下であり、ナス科若しくはウリ科の作物の栽培または花卉栽培に使用されることを特徴とする、農業用防虫ネットが提供される。 The present invention also provides an agricultural insect repellent net used for cultivation of solanaceous or cucurbitaceous crops or flower cultivation for which control of thrips and whiteflies is particularly strongly desired. Specifically, it is characterized in that Etofenprox is kneaded and the mesh size is 0.4 mm or more and 0.8 mm or less, and it is used for cultivation of solanaceous or cucurbitaceous crops or flower cultivation. , Agricultural insect nets are provided.
本発明の農業用防虫ネットには、エトフェンプロックスが練り込まれている。エトフェンプロックスは、虫が接触することで化学的忌避効果を発揮するタイプの防虫剤である。本発明者等は、アザミウマやコナジラミが新たに寄生を開始する際の行動様式を観察し、その結果、エトフェンプロックスを練り込んだ農業用防虫ネットにおいて、目合い4.0mmまで、特に0.8mmまでであれば優れた化学的忌避効果が発揮できるという知見に到達した。 Etofenprox is kneaded into the agricultural insect repellent net of the present invention. Etofenprox is a type of insect repellent that exerts a chemical repellent effect when it comes into contact with insects. The present inventors have observed the behavioral patterns of thrips and whiteflies when they newly start parasitism, and as a result, in the agricultural insect repellent net kneaded with Etofenprox, the mesh size is up to 4.0 mm, especially 0. We have reached the finding that an excellent chemical repellent effect can be exhibited up to 8 mm.
詳述すると、アザミウマやコナジラミは、ほとんどの場合、遠くの寄生地から飛んできて新たな作物に寄生する。その際、アザミウマやコナジラミは、自力で飛ぶこともあるが、飛翔能力がそれほど高くないために風に流されるようにして飛来することもある。いずれにしろ、農業用防虫ネットが張ってあると、アザミウマやコナジラミはネット上に着地し、脚を使ってネットをくぐり抜け、新たな作物に到達する。 More specifically, thrips and whiteflies most often fly from distant parasites and infest new crops. At that time, thrips and whiteflies may fly on their own, but because their flight ability is not so high, they may fly as if they were swept away by the wind. In any case, if an agricultural insect repellent net is in place, thrips and whiteflies will land on the net and use their legs to pass through the net to reach new crops.
上述した目合いのエトフェンプロックス含有農業用防虫ネットを使用する場合、アザミウマやコナジラミはくぐり抜けに時間を要する。その結果、エトフェンプロックスの化学的忌避効果が十分に発揮され、アザミウマやコナジラミは、くぐり抜けを完遂することなく農業用防虫ネットから離れていく。一方、目合いが大きすぎると、くぐり抜けに要する時間が短く、化学的忌避効果が発揮されないうちにくぐり抜けが完了してしまう。
特に本発明では、目合い0.8mmを境に効果が大きく変わる。その理由は定かではないが、本発明者等は、次のように考えている。即ち、体の大きさや形状、脚の生え方等が総合的に影響した結果、アザミウマやコナジラミは、目合い0.8mm以下の農業用防虫ネットでは、飛来後、複数のフィラメントに脚をかけて腹這いの体勢でとまり、脚を使って体勢を変えながらネットをくぐり抜ける。よって、くぐり抜け完了までの時間が長い。一方、目合いが0.8mmより大きい農業用防虫ネットでは、1本のフィラメントにしがみつくようにして着地することが多く、その場合、体勢をあまり変えることなく短時間でスムーズにネットをくぐり抜けてしまう。When using the above-mentioned Etofenprox-containing agricultural insect repellent net, thrips and whiteflies take time to pass through. As a result, the chemical repellent effect of Etofenprox is fully exerted, and thrips and whiteflies move away from the agricultural insect repellent net without completing the passage. On the other hand, if the mesh size is too large, the time required for passing through is short, and the passing through is completed before the chemical repellent effect is exhibited.
In particular, in the present invention, the effect changes greatly at a mesh size of 0.8 mm. The reason is not clear, but the present inventors think as follows. That is, as a result of the overall influence of the size and shape of the body, the way the legs grow, etc., thrips and whiteflies are hung on multiple filaments after flying with an agricultural insect net with a mesh size of 0.8 mm or less. Stop in a crawling position and use your legs to change your position and go through the net. Therefore, it takes a long time to complete the passage. On the other hand, agricultural insect repellent nets with a mesh size larger than 0.8 mm often land by clinging to a single filament, and in that case, they can smoothly pass through the net in a short time without changing their posture too much. ..
網目が小さい程くぐり抜けに時間を要するが、小さすぎると通気性が損なわれる。目合いを0.2mm以上、特に0.4mm以上に設定すると、作物にとって十分な通気性を確保することができる。 The smaller the mesh, the longer it takes to pass through, but if it is too small, the air permeability will be impaired. When the mesh size is set to 0.2 mm or more, particularly 0.4 mm or more, sufficient air permeability for the crop can be ensured.
このように、本発明では、エトフェンプロックス含有農業用防虫ネットについて、その目合いを特定の数値範囲に設定することで、通気性を確保しながらアザミウマやコナジラミに対する優れた防除性を発揮することに成功している。 As described above, in the present invention, the insect repellent net for agriculture containing Etofenprox exhibits excellent controllability against thrips and whiteflies while ensuring breathability by setting the mesh size within a specific numerical range. Has been successful.
加えて、本発明の農業用防虫ネットでは、エトフェンプロックスが塗布ではなく練り込みにより含有されているので、エトフェンプロックスが作物に付着する虞や土壌中に移行し残留する虞が限りなく低い。そのため、本発明の農業用防虫ネットは、食の安全や環境への配慮という点において安心して使用することができる。 In addition, in the agricultural insect repellent net of the present invention, since Etofenprox is contained by kneading instead of coating, the risk of Etofenprox adhering to crops or migrating to soil and remaining is extremely low. .. Therefore, the agricultural insect repellent net of the present invention can be used with peace of mind in terms of food safety and consideration for the environment.
本発明は、アザミウマおよびコナジラミを有効に防除することができる、アザミウマまたはコナジラミ用の農業用防虫ネットである。 The present invention is an agricultural insect repellent net for thrips or whiteflies that can effectively control thrips and whiteflies.
本明細書において「アザミウマ」は、昆虫綱アザミウマ目Thysanopteraの昆虫の総称である。アザミウマは、成虫での体長が0.5〜10mm、多くは2mm前後である微小な昆虫であり、全体として細長い形をしている。また、世界中で3500種以上存在し、日本では100種以上存在する。具体的には、ミカンキイロアザミウマ、ミナミキイロアザミウマ、ネギアザミウマ、ヒラズハナアザミウマ、クロトンアザミウマ、ツノオオクダアザミウマ、クロゲハナアザミウマ等を挙げることができる。 As used herein, "Thrips" is a general term for insects of the order Thrips, Thrips. Thrips are small insects with an adult body length of 0.5 to 10 mm, most of which are around 2 mm, and have an elongated shape as a whole. In addition, there are more than 3,500 species in the world, and more than 100 species in Japan. Specific examples thereof include Western flower thrips, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, and Thrips palmi Karny.
本明細書において「コナジラミ」とは、昆虫綱半翅目同翅亜目コナジラミ科Aleyrodidaeの昆虫の総称である。コナジラミは、成虫での体長が3mm以下である。日本には、外来種を含め約70種が生息しており、世界には約1100種が存在する。コナジラミとしては、例えば、オンシツコナジラミ、タバココナジラミ、シルバーリーフコナジラミ、ミカンコナジラミ、ミカントゲコナジラミ、ヒメコナジラミ等を挙げることができる。 As used herein, the term "whitefly" is a general term for insects of the order Hemiptera, Hemiptera, Whitefly, Aleyrodidae. Whiteflies are adults with a body length of 3 mm or less. About 70 species, including exotic species, inhabit Japan, and there are about 1100 species in the world. Examples of whiteflies include greenhouse whiteflies, Bemisia tabaci, silverleaf whiteflies, whiteflies, orangeflies, whiteflies, and whiteflies.
アザミウマおよびコナジラミは、どちらも吸汁性昆虫であり、中でも作物に被害をもたらすものは吸汁性害虫として防除対象となっている。被害は、種類や生息域、作物等によって異なるが、例えばアザミウマであれば、葉に白い斑点が着く、新葉が正常に展開しない、果実が白く膨れる、果実のがく付近で凹凸したり瘡蓋様表皮ができる、蕾が開かなくなるといった被害が知られている。コナジラミであれば、例えば、トマト果実における着色むらや白斑症、ピーマンやシシトウの生長不良や果実白化といった被害が知られている。更に、アザミウマとコナジラミはどちらも、ウイルス病の媒介虫である。 Both thrips and whiteflies are sucking insects, and among them, those that cause damage to crops are targeted for control as sucking pests. The damage varies depending on the species, habitat, crop, etc. For example, in the case of thrips, white spots are formed on the leaves, new leaves do not develop normally, the fruits swell white, and the scabs are uneven near the calyx of the fruits. Damages such as the formation of epidermis and the inability to open buds are known. In the case of whiteflies, for example, damages such as uneven coloring and vitiligo in tomato fruits, poor growth of peppers and green peppers, and fruit bleaching are known. In addition, both thrips and whiteflies are vectors of viral disease.
アザミウマやコナジラミは、新たな作物に寄生をする際、別の寄生地域から飛んでくる。飛んでくるのは成虫である。飛んできた成虫は、寄生後、短いサイクルで繁殖して個体数を増やす。よって、アザミウマやコナジラミの農業用防虫ネットによる防除では、基本的に、飛んでくる成虫が対象となる。アザミウマやコナジラミの成虫は、飛来してくる際に農業用防虫ネットが張ってあると、いったんネット上に着地してから脚を使って網目をくぐり抜け、その後、ネットから作物まで移動する。 Thrips and whiteflies fly from different areas of parasitism when they parasitize new crops. It is adults that fly. After infestation, the flying adults breed in a short cycle and increase their population. Therefore, the control of thrips and whiteflies with agricultural insect repellent nets basically targets flying adults. Adult thrips and whiteflies, if an agricultural insect repellent net is stretched when they fly in, land on the net once, then use their legs to pass through the mesh, and then move from the net to the crop.
本発明は、この着地からくぐり抜けまでの行動様式に着目し、良好な通気性と優れた防除効果を両立すべく、防虫剤としてエトフェンプロックスを練り込んだ樹脂を用い、目合いを特定の大きさに設定した農業用防虫ネットを提供する。 The present invention focuses on the behavioral pattern from landing to passing through, and uses a resin kneaded with Etofenprox as an insect repellent in order to achieve both good breathability and excellent control effect, and has a specific size of mesh. We will provide an insect repellent net for agriculture that has been set up.
目合いは、具体的には、0.2mm以上4.0mm以下であり、好適には0.4mm以上0.8mm以下、より好適には0.6mm以上0.8mm未満、特に好適には0.7mm以上0.8mm未満である。目合いが小さすぎると通気性が不十分になる虞があり、大きすぎると、アザミウマやコナジラミがネットを短時間でくぐりぬけ、エトフェンプロックスによる化学的忌避効果が不十分となる虞がある。 Specifically, the mesh size is 0.2 mm or more and 4.0 mm or less, preferably 0.4 mm or more and 0.8 mm or less, more preferably 0.6 mm or more and less than 0.8 mm, and particularly preferably 0. It is 0.7 mm or more and less than 0.8 mm. If the mesh size is too small, the air permeability may be insufficient, and if it is too large, thrips and whiteflies may pass through the net in a short time, and the chemical repellent effect of Etofenprox may be insufficient.
尚、本発明における目合いの定義は、一般的に目開きとも称されるものであり、農業用防虫ネットが織物または編物からなる場合、フィラメントとフィラメントの間の空間の距離を意味する。また、割繊維ウェブまたは割繊維ウェブ積層体からなる場合、幹繊維の中心と中心の間の距離を意味する。いずれの場合も、展張時に5目分計測した時の平均値(mm)で表される。 The definition of mesh in the present invention is also generally referred to as mesh opening, and means the distance between filaments when the agricultural insect repellent net is made of woven fabric or knitted fabric. When it is composed of split fiber webs or split fiber web laminates, it means the distance between the centers of the trunk fibers. In each case, it is represented by the average value (mm) when measuring 5 stitches at the time of extension.
本発明の一実施態様として、エトフェンプロックスを練り込んだ樹脂から防虫性フィラメントを製造し、かかるフィラメントを織ってまたは編んで得られる農業用防虫ネットがある。 One embodiment of the present invention is an agricultural insect repellent net obtained by producing an insect repellent filament from a resin kneaded with Etofenprox and weaving or knitting the filament.
本発明に使用される樹脂としては、公知の熱可塑性樹脂を何ら制限なく使用することができる。具体的には、ナイロン6、ナイロン66、ナイロン610等のポリアミド樹脂;ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリプロピレンテレフタレート、ポリエチレンナフタレート等のポリエステル樹脂;ポリエチレン、ポリプロピレン、ポリブテン、ポリメチルペンテン等のポリオレフィン樹脂;ポリフェニレンサルファイド樹脂;ポリ乳酸、ポリブチレンサクシネート、ポリエチレンサクシネート、ポリブチレン(サクシネート/アジペート)共重合体等の生分解性ポリマー;ポリスチレン樹脂;ポリメチルメタクリレート等のポリアクリレート樹脂;ポリエーテル樹脂;熱可塑性ポリウレタン等の熱可塑性エラストマー;テトラフルオロエチレン/エチレン共重合体、テトラフルオロエチレン/パーフルオロアルコキシルビニルエーテル共重合体、テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体、ポリビニリデンフロライド、テトラフルオロエチレン−ヘキサフルオロプロピレン−ビニリデンフロライド共重合体等のフッ素樹脂;等を挙げることができる。 As the resin used in the present invention, a known thermoplastic resin can be used without any limitation. Specifically, polyamide resins such as nylon 6, nylon 66, and nylon 610; polyester resins such as polyethylene terephthalate, polybutylene terephthalate, polypropylene terephthalate, and polyethylene naphthalate; and polyolefin resins such as polyethylene, polypropylene, polybutene, and polymethylpentene; Polyphenylene sulfide resin; biodegradable polymer such as polylactic acid, polybutylene succinate, polyethylene succinate, polybutylene (succinate / adipate) copolymer; polystyrene resin; polyacrylate resin such as polymethylmethacrylate; polyether resin; thermoplastic Thermoplastic elastomers such as polyurethane; tetrafluoroethylene / ethylene copolymer, tetrafluoroethylene / perfluoroalkenyl vinyl ether copolymer, tetrafluoroethylene / hexafluoropropylene copolymer, polyvinylidene fluoride, tetrafluoroethylene-hexafluoro Fluororesin such as propylene-vinylidene fluoride copolymer; and the like can be mentioned.
熱可塑性樹脂としては、強度、耐候性および加工性が良好であるという観点から、ポリオレフィン樹脂またはポリエステル樹脂が好ましく、ポリオレフィン樹脂が特に好ましい。 As the thermoplastic resin, a polyolefin resin or a polyester resin is preferable, and a polyolefin resin is particularly preferable, from the viewpoint of good strength, weather resistance and processability.
エトフェンプロックスは、化学名が2−(4−エトキシフェニル)−2−メチルプロピル=3−フェノキシベンジル=エーテルであり、ピレスロイドと同様の作用機構により防虫性を発揮するが、温血動物に対する毒性が低く、皮膚・粘膜への刺激が弱く、魚毒性も低いという利点を有し、WHOによってその安全性が確認されている。 Etofenprox has the chemical name 2- (4-ethoxyphenyl) -2-methylpropyl = 3-phenoxybenzyl = ether and exhibits insect repellent properties by the same mechanism of action as pyrethroids, but is toxic to warm-blooded animals. It has the advantages of low irritability, weak irritation to the skin and mucous membranes, and low fish toxicity, and its safety has been confirmed by WHO.
本発明の農業用防虫ネットにおけるエトフェンプロックス含有量は、0.1〜4.0質量%が好ましく、0.5〜2.0質量%が特に好ましい。エトフェンプロックスが少なすぎると、防除効果が不十分となる虞があり、多すぎると、使用環境によってはエトフェンプロックスの流亡が起こる虞がある。 The content of etofenprox in the agricultural insect repellent net of the present invention is preferably 0.1 to 4.0% by mass, particularly preferably 0.5 to 2.0% by mass. If the amount of Etofenprox is too small, the control effect may be insufficient, and if it is too large, the Etofenprox may be washed away depending on the usage environment.
本発明では、安全性や加工性が損なわれない限り、公知の防虫剤を併用してもよい。エトフェンプロックス以外の公知の防虫剤としては、例えば、ピレトリン、シネリン、ジャスモリン、アレスリン、レスメトリン、フェンバレラート等のピレスロイド系防虫剤;トキサフェン、ベンゾエピン等の環状ジエン系防虫剤;マラチオン、フェニトロチオン等の有機リン系防虫剤;カルバリル、メソミル、プロメカルブ等のカルバメート系防虫剤;等を挙げることができる。 In the present invention, a known insect repellent may be used in combination as long as safety and processability are not impaired. Known insect repellents other than etofenprox include, for example, pyrethroid insect repellents such as pyrethrin, cinerin, jasmorin, allethrin, resmethrin, fenvalerate; cyclic diene insect repellents such as toxaphene and benzoepin; organic such as malathion and fenitrothione. Phosphorus-based insect repellents; carbamate-based insect repellents such as carbalyl, mesomil, promecarb; and the like.
本発明では、また、必要に応じて公知の添加剤を使用してもよい。公知の添加剤としては、例えば、ベンゼンスルホン酸アミド等の徐放助剤;分散助樹脂、親和性樹脂(例えばエチレン‐エチルアクリレート)等として使用される異種の熱可塑性樹脂類;耐候剤;難燃剤;酸化防止剤;酸化チタン、酸化ケイ素、炭酸カルシウム、チッ化ケイ素、炭化ケイ素、硫酸バリウム、カーボンブラック等の無機顔料;フタロシアニン金属系、コバルト青等の有機顔料;ステアリン酸金属塩類;エチレンビスステアリルアミド;メタケイ酸カルシウム;含水ケイ酸マグネシウム;アミノシラン;メラミンシアヌレート;アイオノマー類;金属イオン封鎖剤;包接化合物;着色防止剤;帯電防止剤;シリコーンオイル;界面活性剤;強化繊維;カルボジイミド;エポキシ化合物;オキサゾリン化合物;クレー、タルク、カオリン、ジルコニウム酸等の無機粒子や架橋高分子粒子等の粒子類;抗酸化剤;イオン交換剤;紫外線吸収剤;等が挙げられる。 In the present invention, known additives may also be used if necessary. Known additives include, for example, sustained-release aids such as benzenesulfonic acid amide; dissimilar thermoplastic resins used as dispersion aids, affinity resins (eg ethylene-ethylacrylate); weather resistant; difficult. Fuels; Antioxidants; Inorganic pigments such as titanium oxide, silicon oxide, calcium carbonate, silicon hydroxide, silicon carbide, barium sulfate, carbon black; organic pigments such as phthalocyanine metal, cobalt blue; metal stearate salts; ethylene bis Stearylamide; Calcium metasilicate; Hydrous magnesium silicate; Aminosilane; Melamine cyanurate; Ionomers; Metal ion sequestering agent; Encapsulation compound; Anticolor agent; Antistatic agent; Silicone oil; Surfactant; Reinforcing fiber; Carbodiimide; Examples thereof include epoxy compounds; oxazoline compounds; inorganic particles such as clay, talc, kaolin, and zirric acid, and particles such as crosslinked polymer particles; antioxidants; ion exchangers; ultraviolet absorbers; and the like.
織物または編物からなる本実施態様の農業用防虫ネットは、公知の方法により上記の材料から防虫性フィラメントを製造し、かかるフィラメントを織ってまたは編んで製造される。 The agricultural insect repellent net of the present embodiment composed of a woven fabric or a knitted fabric is produced by producing an insect repellent filament from the above materials by a known method, and weaving or knitting the filament.
防虫性フィラメントは、モノフィラメントでもマルチフィラメントでもよいが、強度やコストの観点からモノフィラメントが好ましい。 The insect repellent filament may be monofilament or multifilament, but monofilament is preferable from the viewpoint of strength and cost.
防虫性フィラメントの太さは、ネットの大きさや使用環境等に応じて適宜決めればよいが、70〜340デニールが好ましく、100〜270デニールが特に好ましい。防虫性フィラメントが太すぎると通気性が十分確保できない虞があり、細すぎると、糸切れ等する虞がある。 The thickness of the insect repellent filament may be appropriately determined according to the size of the net, the usage environment, etc., but is preferably 70 to 340 denier, and particularly preferably 100 to 270 denier. If the insect repellent filament is too thick, sufficient air permeability may not be ensured, and if it is too thin, thread breakage may occur.
織組織および編組織に特に制限はない。製織により防虫性ネットを製造する場合、経糸または緯糸の少なくとも一部として、好適には全ての経糸または全ての緯糸として、特に好適には全ての経糸および全ての緯糸として防虫性フィラメントを使用する。 There are no particular restrictions on the woven structure and knitted structure. When an insect repellent net is produced by weaving, an insect repellent filament is used as at least a part of the warp or weft, preferably as all warp or all weft, and particularly preferably as all warp and all weft.
織組織としては、例えば、三原組織(平織、斜文織、朱子織等)、変化組織(変化平織、斜子織、変化斜文織、急斜文、山形斜文、変化朱子織等)、特別組織(蜂須織、梨地織)、混合組織等の一重組織;よこ二重織(玉ラシャ等)、たて二重織(両面朱子等)、二重組織(風通織、袋織等)等の重ね組織;たてパイル組織(たてビロード等)、よこパイル組織(別珍、コーデュロイ等)、タオル組織等のパイル組織;絽、紗等の搦組織;紋組織;が挙げられる。 As the weaving structure, for example, Mihara structure (plain weave, diagonal weave, corduroy, etc.), changing structure (changing plain weave, diagonal weave, changing diagonal weave, steep diagonal weave, Yamagata diagonal weave, changing corduroy, etc.), Single weaves such as special weaves (Hachisu weave, pear-skin weave), mixed weaves; horizontal double weaves (Tama Rasha, etc.), vertical double weaves (double-sided corduroy, etc.), double weaves (Kazetsu weave, bag weave, etc.) Tissues: Vertical pile tissues (vertical velvet, etc.), horizontal pile tissues (Betsuchin, corduroy, etc.), pile tissues such as towel tissues; plain weaves such as gauze and gauze; crest tissues;
製織は公知の方法に従って行えばよく、換言すると、選択した織組織に応じて公知の方法を選択すればよい。 Weaving may be performed according to a known method, in other words, a known method may be selected according to the selected weaving structure.
また、前述の防虫性フィラメントを編んで農業用防虫ネットとする場合、編み糸の少なくとも一部として、好ましくは全ての編み糸として防虫性フィラメントを使用し、経編または緯編をする。 Further, when the above-mentioned insect repellent filament is knitted into an agricultural insect repellent net, the insect repellent filament is used as at least a part of the knitting yarn, preferably all the knitting yarns, and warp knitting or weft knitting is performed.
編組織としては、例えば、平編み、リブ編み、パール編み、両面編み等の緯編組織;シングルデンビー編み、シングルコード編み、シングルアトラス編み、ハーフトリコット編み、ラッセル編等の経編組織;がある。編組織によっては、編糸(地糸)以外に柄糸を使用することがある。また、ラッセル編等のようにテープヤーンを使用する場合もある。柄糸やテープヤーンには、防虫性フィラメントを使用してもよく、公知の糸を使用してもよい。 Examples of the knitting structure include weft knitting structures such as flat knitting, rib knitting, pearl knitting, and double-sided knitting; warp knitting structures such as single denby knitting, single cord knitting, single atlas knitting, half tricot knitting, and Russell knitting. .. Depending on the knitting structure, a pattern yarn may be used in addition to the knitting yarn (ground yarn). In addition, tape yarn may be used as in the Russell edition. Insect repellent filaments may be used for the pattern yarn and the tape yarn, or known yarns may be used.
編立は、公知の方法に従って行えばよく、即ち、選択した編組織に応じて適切な公知の方法を選択すればよい。 The knitting may be performed according to a known method, that is, an appropriate known method may be selected according to the selected knitting structure.
織物の場合も編物の場合も、目ずれを防止するために、製織後または編立後に熱融着処理などを行ってもよい。 In the case of woven fabrics and knitted fabrics, heat fusion treatment or the like may be performed after weaving or knitting in order to prevent misalignment.
また、本発明の別の実施態様として、割繊維ウェブまたは割繊維ウェブ積層体からなる農業用防虫ネットがある。割繊維ウェブは、公知の方法により上記材料からなる樹脂フィルムを製造し、かかる樹脂フィルムにスリットを入れて割繊して得られる。割繊維ウェブ積層体は、割繊維ウェブを積層して得られる。 Further, as another embodiment of the present invention, there is an agricultural insect repellent net made of a split fiber web or a split fiber web laminate. The split fiber web is obtained by producing a resin film made of the above-mentioned material by a known method, inserting a slit in the resin film, and splitting the fiber. The split fiber web laminate is obtained by laminating the split fiber web.
本発明においては、エトフェンプロックスの量を調整しやすく、また、展張時に引張具合によって目合いが変化しづらいという観点から、織物からなることが好ましく、平織の織物からなることが特に好ましい。 In the present invention, from the viewpoint that the amount of Etofenprox can be easily adjusted and the texture does not easily change depending on the tension during stretching, it is preferably made of a woven fabric, and particularly preferably made of a plain weave woven fabric.
本発明の農業用防虫ネットの使用方法に特に制限はなく、例えば、支柱を用いて農業用防虫ネットにより作物を被覆するトンネル張りや平張り、ビニールハウスの側面に農業用防虫ネットを張るハウスサイド張り、ビニールハウスの外面全体を農業用防虫ネットで覆う全面張り、支柱等を用いずに作物を被覆するベタがけ等の方法で使用してよい。本発明の効果が最大限に発揮されるという観点から、ハウスサイド張りが好ましい。 There is no particular limitation on the method of using the agricultural insect repellent net of the present invention. For example, a tunnel or flat lining for covering crops with an agricultural insect repellent net using a support, or a house side in which an agricultural insect repellent net is stretched on the side surface of a vinyl house. It may be used by a method such as upholstery, covering the entire outer surface of the greenhouse with an agricultural insect net, or solid covering the crop without using columns or the like. Houseside upholstery is preferable from the viewpoint of maximizing the effect of the present invention.
本発明の農業用防虫ネットは、アザミウマやコナジラミに寄生される可能性がある作物の栽培に使用すればよい。アザミウマやコナジラミは多種多様の作物に寄生するので、使用対象を一概に定めることはできないが、例えば食用作物の場合であれば、スイカやキュウリ等のウリ科;トマトやピーマン、ナス、シシトウ、タバコ等のナス科;ミカン科;ネギ等のヒガンバナ科;キャベツ等のアブラナ科;ホウレンソウ等のアカザ科;インゲン等のマメ科;といった作物に適用することができる。 The agricultural insect repellent net of the present invention may be used for cultivation of crops that may be infested with thrips and whiteflies. Since azaleas and whiteflies parasitize a wide variety of crops, it is not possible to unequivocally determine the target of use, but in the case of food crops, for example, Cucurbitaceae such as watermelons and cucumbers; It can be applied to crops such as Solanaceae; Cucurbitaceae; Cucurbitaceae such as green pepper; Brassicaceae such as cabbage; Akaza family such as spinach; Legumes such as green pepper;
食用作物の中では、特にウリ科またはナス科の作物栽培に使用することが好ましい。これらの作物は、アザミウマやコナジラミによる被害が顕著であり、特に、アザミウマやコナジラミが媒介となってウイルス感染しやすいからである。しかも、栽培時期が温暖な季節であるために、アザミウマやコナジラミが活発に活動し、被害が拡大しやすい。加えて、これらの科に属する作物にはトマトやピーマンなど、栽培時に温度と通気(湿度)の両方のコントロールが重要になるものが多く含まれている。 Among edible crops, it is particularly preferable to use it for cultivation of Cucurbitaceae or Solanaceae crops. These crops are significantly damaged by thrips and whiteflies, and are particularly susceptible to virus infection through thrips and whiteflies. Moreover, since the cultivation season is warm, thrips and whiteflies are active and the damage is likely to spread. In addition, many crops belonging to these families, such as tomatoes and green peppers, require control of both temperature and aeration (humidity) during cultivation.
また、本発明の農業用防虫ネットは、トルコギキョウやキク等の花卉類栽培にも好適に使用される。花卉は鑑賞に耐えるよう、花弁はもちろん茎や葉も含めてキズなく色むらなく生育することが強く求められる作物であるところ、アザミウマやコナジラミに寄生されると、知らぬ間に吸汁されて花や葉に白斑が生じたり、変形してしまう。更に、コナジラミの場合は、粘着質の***物が付着し、これも外観を損ねてしまう。よって、花卉類は、アザミウマやコナジラミを防除する必要性が特に高い作物である。 In addition, the agricultural insect repellent net of the present invention is also suitably used for cultivating flowers such as Turkish bluebell and chrysanthemum. Flowers are a crop that is strongly required to grow evenly without scratches, including the stems and leaves, as well as the petals, so that they can be appreciated. When parasitized by thrips and whiteflies, they are sucked and flowers. Whiteflies or leaves become white spots or deform. Furthermore, in the case of whiteflies, sticky excrement adheres, which also spoils the appearance. Therefore, flowers are a crop with a particularly high need to control thrips and whiteflies.
以下、本発明を実施例により更に説明するが、本発明は、これらの実施例によってなんら限定されるものではない。 Hereinafter, the present invention will be further described with reference to Examples, but the present invention is not limited to these Examples.
(実験例1:タバココナジラミ)
ネット状資材として、縦横の目合いが共に0.75mmである、エトフェンプロックスを混練させたモノフィラメントを緯糸として使ったポリエチレン製平織防虫ネット(以下、薬剤入り防虫ネットと呼ぶことがある)1を用意した。この防虫ネットにおけるエトフェンプロックス含有率は0.9質量%であった。また、経糸と緯糸はいずれも150デニールであった。
また、対比のために緯糸にエトフェンプロックスを混練させていない点以外は薬剤入り防虫ネット1と同じであるポリエチレン製平織防虫ネット(以下、薬剤無防虫ネットと呼ぶことがある。)2を用意した。
幅6.5cm高さ6.5cm奥行17cmのプラスチック製容器を用意し、かかるプラスチック製容器の中間部を、薬剤入り防虫ネット1または薬剤無防虫ネット2で仕切った。一方にタバココナジラミを放虫し、他方にはキュウリ葉を設置した。葉側の容器側面外部にLED光源を設置してLED光源により光照射を行い、タバココナジラミを誘引した。どちらの実験もn=2とし、ネットを通過した数と残存した数を数えた。結果を表1に示す。
As a net-like material, a polyethylene plain weave insect repellent net (hereinafter sometimes referred to as a chemical-containing insect repellent net) 1 using a monofilament kneaded with Etofenprox as a weft, which has a vertical and horizontal mesh size of 0.75 mm, is used. I prepared it. The content of Etofenprox in this insect repellent net was 0.9% by mass. The warp and weft were both 150 denier.
In addition, a polyethylene plain weave insect repellent net (hereinafter, may be referred to as a chemical insect repellent net) 2 which is the same as the chemical-containing insect repellent net 1 is prepared except that the weft is not kneaded with Etofenprox for comparison. did.
A plastic container having a width of 6.5 cm, a height of 6.5 cm, and a depth of 17 cm was prepared, and the middle portion of the plastic container was partitioned by a chemical-containing insect repellent net 1 or a chemical-free insect repellent net 2. Bemisia tabaci was released on one side and cucumber leaves were placed on the other side. An LED light source was installed outside the side surface of the container on the leaf side, and light was irradiated by the LED light source to attract Bemisia tabaci. In both experiments, n = 2, and the number of passages through the net and the number of remaining nets were counted. The results are shown in Table 1.
(実験例2:アザミウマ)
ネット状資材として、縦横の目合いが共に0.40mmである、エトフェンプロックスを混練させたモノフィラメントを緯糸として使ったポリエチレン製平織防虫ネット(以下、薬剤入り防虫ネットと呼ぶことがある)3を用意した。この防虫ネットにおけるエトフェンプロックス含有率は0.9質量%であった。また、経糸と緯糸はいずれも150デニールであった。
また、対比のために緯糸にエトフェンプロックスを混練させていない点以外は薬剤入り防虫ネット3と同じであるポリエチレン製平織防虫ネット(以下、薬剤無防虫ネットと呼ぶことがある。)4を用意した。
幅6.5cm高さ6.5cm奥行17cmのプラスチック製容器を用意し、かかるプラスチック製容器の中間部を、薬剤入り防虫ネット3または薬剤無防虫ネット4で仕切った。一方にアザミウマを放虫し、他方にはナス葉を設置してアザミウマを誘引した。アザミウマの種類としてミカンキイロアザミウマ、ヒラズハナアザミウマ、ネギアザミウマ、およびミナミキイロアザミウマの4種を用い、ネットを通過した数と残存した数を数えた。結果を表2に示す。
(Experimental example 2: Thrips)
As a net-like material, a polyethylene plain weave insect repellent net (hereinafter sometimes referred to as a chemical-containing insect repellent net) 3 using a monofilament kneaded with Etofenprox as a weft, which has a vertical and horizontal mesh size of 0.40 mm, is used. I prepared it. The content of Etofenprox in this insect repellent net was 0.9% by mass. The warp and weft were both 150 denier.
In addition, a polyethylene plain weave insect repellent net (hereinafter, may be referred to as a chemical insect repellent net) 4, which is the same as the chemical-containing insect repellent net 3 except that the weft is not kneaded with Etofenprox for comparison, is prepared. did.
A plastic container having a width of 6.5 cm, a height of 6.5 cm, and a depth of 17 cm was prepared, and the middle portion of the plastic container was partitioned by a chemical-containing insect repellent net 3 or a chemical-free insect repellent net 4. Thrips were released on one side, and eggplant leaves were installed on the other side to attract thrips. Four species of thrips were used: Western flower thrips, Thrips palmi Karny, Thrips palmi Karny, Thrips palmi Karny, and Thrips palmi Karny, and the number of thrips that passed through the net and the number that remained were counted. The results are shown in Table 2.
Claims (5)
目合いが0.4mm以上0.8mm以下であり、
ナス科若しくはウリ科の作物の栽培または花卉栽培に使用されることを特徴とする、農業用防虫ネット。Etofenprox is kneaded in,
The mesh size is 0.4 mm or more and 0.8 mm or less.
An agricultural insect repellent net, which is used for cultivation of solanaceous or cucurbitaceous crops or flower cultivation.
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Citations (9)
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JPH0255551B2 (en) * | 1983-03-07 | 1990-11-27 | Kanebo Ltd | |
JPH08163950A (en) * | 1994-05-19 | 1996-06-25 | Tokyo Ink Kk | Resin net for controlling pest insect |
JP3097738U (en) * | 2003-05-12 | 2004-02-05 | 大豊化学工業株式会社 | Net-like sheet |
JP2009196952A (en) * | 2008-02-25 | 2009-09-03 | Sumitomo Chemical Co Ltd | Insect-repellent net |
US20100064578A1 (en) * | 2006-11-03 | 2010-03-18 | Basf Se | Method and device for protecting crop plants |
JP2011016737A (en) * | 2009-07-07 | 2011-01-27 | Miyazaki Prefecture | Treatment method for insect-repellent net |
JP2011110037A (en) * | 2009-11-21 | 2011-06-09 | Isshiki Honten:Kk | Simple greenhouse for fruit tree cultivation, and method for assembling the same |
WO2016195049A1 (en) * | 2015-06-05 | 2016-12-08 | 住友化学株式会社 | Plant protection method and net structure |
WO2016195048A1 (en) * | 2015-06-05 | 2016-12-08 | 住友化学株式会社 | Cylindrical net and plant protection method |
-
2019
- 2019-01-15 WO PCT/JP2019/000881 patent/WO2019139161A1/en active Application Filing
- 2019-01-15 JP JP2019564771A patent/JPWO2019139161A1/en active Pending
Patent Citations (9)
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JPH0255551B2 (en) * | 1983-03-07 | 1990-11-27 | Kanebo Ltd | |
JPH08163950A (en) * | 1994-05-19 | 1996-06-25 | Tokyo Ink Kk | Resin net for controlling pest insect |
JP3097738U (en) * | 2003-05-12 | 2004-02-05 | 大豊化学工業株式会社 | Net-like sheet |
US20100064578A1 (en) * | 2006-11-03 | 2010-03-18 | Basf Se | Method and device for protecting crop plants |
JP2009196952A (en) * | 2008-02-25 | 2009-09-03 | Sumitomo Chemical Co Ltd | Insect-repellent net |
JP2011016737A (en) * | 2009-07-07 | 2011-01-27 | Miyazaki Prefecture | Treatment method for insect-repellent net |
JP2011110037A (en) * | 2009-11-21 | 2011-06-09 | Isshiki Honten:Kk | Simple greenhouse for fruit tree cultivation, and method for assembling the same |
WO2016195049A1 (en) * | 2015-06-05 | 2016-12-08 | 住友化学株式会社 | Plant protection method and net structure |
WO2016195048A1 (en) * | 2015-06-05 | 2016-12-08 | 住友化学株式会社 | Cylindrical net and plant protection method |
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