JP2725825B2 - Plant iontophoresis system - Google Patents
Plant iontophoresis systemInfo
- Publication number
- JP2725825B2 JP2725825B2 JP1073781A JP7378189A JP2725825B2 JP 2725825 B2 JP2725825 B2 JP 2725825B2 JP 1073781 A JP1073781 A JP 1073781A JP 7378189 A JP7378189 A JP 7378189A JP 2725825 B2 JP2725825 B2 JP 2725825B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- plant
- drug
- electric output
- electric
- 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.)
- Expired - Lifetime
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Cultivation Of Plants (AREA)
- Electrotherapy Devices (AREA)
Description
【発明の詳細な説明】 本発明は、電気的に植物体表面より薬物を投与するシ
ステムに関する。The present invention relates to a system for electrically administering a drug from a plant surface.
植物体の栽培時に於ける人工制御の有用性は、食糧事
情等、社会的事情に鑑み、非常に高いものである。The usefulness of artificial control during plant cultivation is extremely high in view of food and other social circumstances.
上記に鑑み本発明は、植物体の栽培を人工的に制約す
べく、防虫剤、殺虫剤、成長剤、栄養分等の薬物を植物
体表皮より電気的に投与することを目的とする。In view of the above, an object of the present invention is to electrically administer drugs such as insect repellents, insecticides, growth agents, and nutrients from the epidermis of a plant in order to artificially restrict cultivation of the plant.
以下、本発明に於ける電気出力手段、電極を総称する
デバイスの構成、薬物、植物体等につき、詳細に分説す
る。Hereinafter, the configuration of the device, the drug, the plant, and the like that generically refer to the electric output means and the electrodes in the present invention will be described in detail.
デバイスの構成 本発明に於けるデバイスは、例えば第１図に示す形態
を取る。Device Configuration The device in the present invention takes, for example, the form shown in FIG.
第１図に於いて関電極（01）は、導電性部材（２）と
薬液を含有した導電性ゲル（１）の積層構造体である。
不関電極（02）は、導電性部材（４）と薬液を含有した
導電性ゲル（１）の積層構造体である。In FIG. 1, a reference electrode (01) is a laminated structure of a conductive member (2) and a conductive gel (1) containing a chemical solution.
The indifferent electrode (02) is a laminated structure of a conductive member (4) and a conductive gel (1) containing a chemical solution.
関電極（01）の導電性部材（２）と電気出力回路（0
4）とは電気リード線（５）で接続されている。The conductive member (2) of the Seki electrode (01) and the electric output circuit (0
4) is connected by an electric lead wire (5).
不関電極（02）の導電性部材（４）と電気出力回路
（04）とは、電気リード線（６）で接続されている。The conductive member (4) of the indifferent electrode (02) and the electric output circuit (04) are connected by an electric lead (6).
第１図で示した構成の動作を次に説明する。 The operation of the configuration shown in FIG. 1 will now be described.
関電極（01）及び不関電極（02）を植物体表皮部に当
接する。電気出力回路（04）によって関電極（01）、不
関電極（02）間に通電する。The Seki electrode (01) and the indifferent electrode (02) are brought into contact with the epidermis of the plant. Electricity is supplied between the relevant electrode (01) and the relevant electrode (02) by the electric output circuit (04).
このことにより、関電極（01）に含有された薬物は、
植物表皮を介して体内に浸透していくものである。Thus, the drug contained in the Seki electrode (01)
It penetrates into the body through the plant epidermis.
又、本発明は第２図〜第４図の構成も取り得る。 In addition, the present invention can take the configurations shown in FIGS.
第２図に於いて、関電極（01）以外は、第１図と同一
の構成を有するもので説明を省略する。In FIG. 2, components other than the related electrode (01) have the same configuration as in FIG. 1, and a description thereof will be omitted.
関電極（01）は、硬質性樹脂よりなるカップ部材（2
4）の周囲縁部に粘着剤（25）を設け、これを植物体（0
3）の表面に貼着したもので、カップ部材（24）の内部
上面に導電性部材（22）が設置されている。Seki electrode (01) is a cup member (2
Adhesive (25) is provided around the periphery of 4), and this is applied to the plant (0
The conductive member (22) is attached on the upper surface of the inside of the cup member (24).
カップ部材（24）上部には、薬液を抽入する為の抽入
口（26）が設けられており、この抽入口（26）は弁（2
7）を備え、外部薬液槽から薬液をチューブ（23）によ
って供給可能としている。At the upper part of the cup member (24), there is provided an extraction port (26) for extracting a chemical solution, and this extraction port (26) is provided with a valve (2).
7), and a chemical solution can be supplied from an external chemical solution tank by a tube (23).
又、抽入口（26）は導電性を有し、導電性部材（22）
と電気的に接続されていることから、抽入口（26）は、
リード線（５）と接続する為のコネクタとなっている。In addition, the extraction port (26) has conductivity, and the conductive member (22)
Because it is electrically connected to the extraction port (26),
It is a connector for connecting to the lead wire (5).
第２図は、薬液を導電性ゲルに含浸させることなく、
直接植物体と薬液とを接触させる構成を示したものであ
り、より抵抗率を低下させるにすぐれた形態である。FIG. 2 shows that the conductive gel is not impregnated with the chemical solution,
This shows a configuration in which a plant body and a chemical solution are brought into direct contact, and is a form excellent in lowering the resistivity.
第３図は、関電極（01）と不関電極（02）を針状に形
成したものを示す。FIG. 3 shows a needle electrode (01) and an indifferent electrode (02) formed in a needle shape.
関電極（01）は、薬液（32）を内部に充填した筐体
（34）であり、底面には注射針（31）を備え、内側上面
には導電性部材（33）を配置している。又、第２図と同
様、構成の挿入口（38）を上面に配置しており、又、挿
入口（38）と薬液槽（35）を接続するチューブ（37）
は、導電性を具備し、電気出力回路（04）との接続を行
う為のリード線（５）はチューブ（37）と接続してい
る。The related electrode (01) is a housing (34) filled with a drug solution (32), has a syringe needle (31) on the bottom surface, and has a conductive member (33) arranged on the inner upper surface. . 2, the insertion port (38) having the structure is arranged on the upper surface, and a tube (37) for connecting the insertion port (38) to the chemical solution tank (35).
Has electrical conductivity, and a lead wire (5) for connection to an electric output circuit (04) is connected to a tube (37).
リード線（６）は針状の導電性部材（36）よりなる不
関電極と接続している。The lead wire (6) is connected to an indifferent electrode made of a needle-shaped conductive member (36).
第３図は直接植物体に関電極、不関電極を刺通する形
態であり、更に薬液の投与を促進させることが可能であ
る。FIG. 3 shows a form in which a common electrode and an unrelated electrode are directly pierced with a plant body, and the administration of a drug solution can be further promoted.
又、第３図では針を１本使用したが、第４図に示すよ
うに注射針（41）を複数個併設したものであってもよ
い。Although one needle is used in FIG. 3, a plurality of injection needles (41) may be provided as shown in FIG.
上記注射針（41）等針を使用する場合、中空状の針の
他、中空ではない針表面を薬液の伝達路として使用して
もよい。When a needle such as the injection needle (41) is used, a solid needle surface other than a hollow needle may be used as a drug solution transmission path.
又、本発明は第５図に示すような実施例も提起し得
る。The present invention can also provide an embodiment as shown in FIG.
第５図は、植物体（53）の根部からの薬物の吸収を促
す為の構成を示す。FIG. 5 shows a structure for promoting the absorption of a drug from the root of a plant (53).
電極Ａ（51）は、植物体（53）の茎部に装着され、電
極Ｂ（52）は、栄養分、防虫剤等の薬物を含有した土又
は水等からなる媒体（57）に配置されている。The electrode A (51) is mounted on the stem of the plant (53), and the electrode B (52) is disposed on a medium (57) made of soil or water containing nutrients, drugs such as insect repellents, etc. I have.
電極Ａ（51）及び電極Ｂ（52）は、電気出力手段（5
4）とリード線（55）（56）を介して接続関係を有す
る。The electrode A (51) and the electrode B (52) are connected to the electric output means (5
4) and has a connection relationship via the lead wires (55) and (56).
電気出力手段（54）から出力された電気により、電極
Ａ（51）と電極Ｂ（52）との間に、植物体（53）の茎
部、根部及び媒体（57）を介して電界が生じる。この電
界に乗じて薬物は、植物体（53）の根部より吸収されて
いくものである。An electric field is generated between the electrode A (51) and the electrode B (52) via the stem, root, and medium (57) of the plant (53) by the electricity output from the electric output means (54). . Multiplied by this electric field, the drug is absorbed from the root of the plant (53).
（導電性ゲル層） この層は好適には、カラヤガム、トラガカントガム、
ザンサンガム等の天然樹脂多糖類又はポリビニルアルコ
ール部分ケン化物、ポリビニルホルマール、ポリビニル
メチルエーテル及びそのコーポリマ、ポリビニルピロリ
ドン、ポリビニルメタクリレート等のビニル系樹脂、ポ
リアクリル酸及びそのナトリウム塩、ポリアクリルアミ
ド及びその部分加水分解物、ポリアクリル酸エステル部
分ケン化物、ポリ（アクリル酸−アクリルアミド）等の
アクリル系樹脂など、親水性を有する各種天然又は合成
樹脂類を水及び／又はエチレングリコール、グリセリン
等のアルコール類で柔軟可塑化して自己保形性、表皮接
着性を有する柔軟フィルム乃至シート状ゲルとして提供
される。(Conductive gel layer) This layer is preferably karaya gum, tragacanth gum,
Natural resin polysaccharides such as xanthan gum or partially saponified polyvinyl alcohol, polyvinyl formal, polyvinyl methyl ether and its copolymers, vinyl resins such as polyvinyl pyrrolidone and polyvinyl methacrylate, polyacrylic acid and its sodium salt, polyacrylamide and its partial hydrolysis Plasticity of various natural or synthetic resins having hydrophilic properties, such as products, partially saponified polyacrylates, and acrylic resins such as poly (acrylic acid-acrylamide) with water and / or alcohols such as ethylene glycol and glycerin. It is provided as a flexible film or sheet gel having self-retaining property and skin adhesion.
他方、これに充分な導電性を付与すべく塩化ナトリウ
ム、炭酸ナトリウム、クエン酸カリウム等々の電界質が
所要量（通常１〜15％程度）添加される。このようにし
て得られる本発明で好適な導電性ゲル層は、柔軟フィル
ム乃至シート状であって表皮に密着し得るものである
為、表皮接触抵抗が低く薬剤イオンの経皮浸透に効果的
であるのみならず、接着テープ等の他の表皮接着手段を
要せず構造体全体を表皮に貼着支持し得るという使用上
の利点をも併せ有するものである。特にゲル層の基材と
して前記カラヤガム等の天然樹脂多糖類を使用した場合
は、著しく高い保水能力、適度な表皮粘着性等により、
電気化合的に良好な導電性ゲルを提供し得るものであ
る。On the other hand, a required amount (usually about 1 to 15%) of an electrolyte such as sodium chloride, sodium carbonate, potassium citrate or the like is added in order to impart sufficient conductivity thereto. The conductive gel layer suitable in the present invention obtained in this way is a flexible film or sheet and can adhere to the epidermis, and therefore has low epidermal contact resistance and is effective for percutaneous penetration of drug ions. In addition to this, it has an advantage in use that the entire structure can be adhered to and supported on the epidermis without requiring other epidermis adhesion means such as an adhesive tape. In particular, when a natural resin polysaccharide such as the karaya gum is used as the base material for the gel layer, the water retention capacity is extremely high, due to appropriate epidermal adhesion, etc.
It is possible to provide a conductive gel which is good in terms of electrochemistry.
又、これらゲル層の組成配合に当っては、所謂電気泳
動用ゲルの場合とほぼ同様の電気化学的配慮がなされる
べきことは当然であるが、主として使用薬剤の種類と所
要投与量（用量）、貼着使用時間、使用電池の出力及び
表皮接触面積等々により、そのイオン・モビリティ乃至
電導度が所要値になるよう適宜実施されるものである。In the composition of these gel layers, it is natural that almost the same electrochemical considerations as in the case of the so-called electrophoresis gel should be made, but mainly the kind of the drug used and the required dose (dose) ), The sticking use time, the output of the battery used, the skin contact area, and the like, so that the ion mobility or conductivity is appropriately set to a required value.
このように、本発明の導電性ゲル層のゲル基材は親水
性高分子であって水及び／又はアルコール類により柔軟
可塑化されて、好ましくは、表皮接着性の粘弾性ゲルを
与えるものであれば足り、特定材に限定されるものでは
なく、使用薬剤との適合性及び導電性等を考慮してその
基材組成が決定される。又、これらゲル層を使い捨ても
しくは他の夫と変換すること等は自在である。As described above, the gel base material of the conductive gel layer of the present invention is a hydrophilic polymer, which is softly plasticized with water and / or alcohol, and preferably gives a skin-adhesive viscoelastic gel. The material is not limited to a specific material, and the composition of the base material is determined in consideration of compatibility with a drug to be used, conductivity, and the like. Further, it is possible to freely dispose these gel layers or convert them with another husband.
尚、上述では、関導子にイオン性薬剤を含有した導電
性ゲルを使用したものについて説明したが、これに限定
されるものではなく、給水紙等の紙材、ガーゼ等の布
材、脱脂綿等の繊維材、合成樹脂連続発泡体又は給水性
樹脂等のスポンジ乃至多孔質材等イオン性薬剤乃至電解
質液を含浸保持できるものであればいかなるものであっ
てもよい。又、実施例においては関導子の導電性ゲル層
にあらかじめイオン性薬剤を含有したものについて説明
したが、イオン性薬剤は使用時に導子及び／又は皮膚に
付与するようにしたものであってもよい。すなわち、導
電性ゲル層にはイオン性薬剤を含有していないものを使
用し、処理開始時にイオン性薬剤を含有した軟骨、クリ
ーム等を導子及び／又は皮膚に塗布し皮膜形成させた
後、導子を貼着し投与を行なうようにしたものであって
もよい。更に、有効薬剤イオン種の陰陽に応じて導子の
陰陽を自在に変換し得るべく極性切換手段を当該デバイ
スに付加したものであってもよい。In the above description, the case where the conductive gel containing an ionic agent is used as the guide has been described. However, the present invention is not limited to this, and paper materials such as water supply paper, cloth materials such as gauze, and absorbent cotton Any material may be used as long as it can impregnate and hold an ionic agent or electrolyte such as a sponge or porous material such as a fibrous material such as a synthetic resin continuous foam or a water-supplying resin. Further, in the embodiment, the conductive gel layer of the guide has been described as containing an ionic drug in advance, but the ionic drug is applied to the guide and / or the skin at the time of use. Is also good. That is, using a conductive gel layer that does not contain an ionic drug, the cartilage containing the ionic drug at the start of the treatment, cream and the like are applied to a conductor and / or skin to form a film, The administration may be performed by sticking a guide. Further, a polarity switching means may be added to the device in order to freely convert the yin and yang of the conductor according to the yin and yang of the active drug ion species.
又、特に薬剤投与量に応じて植物体の状況が変化する
場合や、植物体の状況に応じて薬剤投与量を制御しなく
てはいけない場合においては、前記植物体状況を監視し
ながら出力電流を自動的に制御するためのフィードバッ
ク機構を内設した構成にしたものであってもよい。In particular, when the situation of the plant changes according to the dose of the drug, or when the dose of the drug must be controlled according to the situation of the plant, the output current is monitored while monitoring the situation of the plant. May be configured such that a feedback mechanism for automatically controlling the feedback is internally provided.
本発明に於ける電気出力手段は、例えば次に示すよう
な電気出力を行なう為の回路乃至装置を提示し得る。The electric output means in the present invention can present, for example, a circuit or a device for performing the following electric output.
1.高周波交番波乃至脈波 2.低周波交番波乃至脈波 3.1,2がパルス状である 4.1,2が脱分極状である 5.直流 1,2について、その波形は特定されるものではない。
又、振幅についても適応植物体の性質、その他様々な要
因によって異なるので、適宜選択されるものである。1.High frequency alternating wave or pulse wave 2.Low frequency alternating wave or pulse wave 3.1,2 is pulsed 4.1,2 is depolarized 5.DC 1,2, the waveform is not specified Absent.
The amplitude also depends on the nature of the adaptive plant and various other factors, and is appropriately selected.
脱分極状の電気出力とは、植物体に電気を印加した
際、表皮乃至通電経路中の組織に生ずる分極電荷を中和
せしめる為のものである。The depolarized electrical output is used to neutralize polarized charges generated in the epidermis or tissues in the current path when electricity is applied to the plant.
但し、脱分極は、電気出力の形態が脱分極状のパルス
であるだけでなく、脱分極の為の回路を設けてもよい。However, in the depolarization, not only a pulse whose electric output form is a depolarization shape but also a circuit for depolarization may be provided.
例えば、第１図にあっては、関電極（01）、不関電極
（02）間を定期的に短絡させる方法、あるいは電極間に
所定の抵抗素子を挿入する等である。For example, in FIG. 1, a method of periodically short-circuiting between the concerned electrode (01) and the indifferent electrode (02), or a method of inserting a predetermined resistance element between the electrodes is used.
より詳しくは、特開昭60年第156475号公報等に記載さ
れた脱分極手段が参照される。More specifically, reference is made to the depolarizing means described in JP-A-60-156475.
尚、上記公報は、生体に対する電気的経皮投与に関す
る文献であるが、電気的等価回路に関しては、植物体も
生体と同様の回路を描くことが（杉山純一，日本食品工
業学会誌,Vol.35,No.9,647〜653（1988）；同誌,Vol.3
5,No.10,717〜722（1988））等の文献より明らかであ
る。Although the above-mentioned publication is a document relating to electric transdermal administration to a living body, regarding an electrical equivalent circuit, it is possible for a plant to draw a circuit similar to that of a living body (Junichi Sugiyama, Journal of the Japan Food Industry Association, Vol. 35, No. 9,647-653 (1988); Journal, Vol. 3
5, No. 10, 717 to 722 (1988)).
薬 物 本発明で使用される薬物とは、植物の成長剤、必須栄
養元素等の補給物、防虫剤、殺虫剤等々、イオン化し得
る薬物である。Drug The drug used in the present invention is a drug that can be ionized, such as a plant growth agent, a supplement such as an essential nutrient element, an insect repellent, an insecticide, and the like.
植物体 本発明を適応し得る植物体は特定される必要はなく、
野菜、花、海草、樹木、草等、様々な植物体に適応可能
であるが、例えば、トマト、メロン、キューリ等の水耕
栽培に対し、外部からの栄養補給等を人工的に行なう栽
培については好適である。Plants Plants to which the present invention can be applied need not be specified,
It can be applied to various plants such as vegetables, flowers, seaweeds, trees, grasses, etc.For example, for hydroponics such as tomatoes, melons, cucumber, etc. Is preferred.
以下、本発明の実施例について説明する。 Hereinafter, examples of the present invention will be described.
実験例１ 電極：関電極は（φ8cm2）カーボンシートと10％PVA（N
H−20）に１％メチレンブルーを含浸させた導電性ゲル
層の積層構造よりなり、不関電極は（φ80cm2）のカー
ボンシートと10％PVA（NH−20）に150mMのNaCl溶液を含
浸させた導電性ゲル層の積層構造よりなる。Experimental Example 1 Electrode: Seki electrode is (φ8cm 2 ) carbon sheet and 10% PVA (N
H-20) has a laminated structure of a conductive gel layer impregnated with 1% methylene blue. The indifferent electrode is a carbon sheet (φ80 cm 2 ) and 10% PVA (NH-20) impregnated with a 150 mM NaCl solution. The conductive gel layer has a laminated structure.
電気出力手段は、脱分極状パルス（peak電圧密度21V/
8cm2,3.6mA）の出力を行なう。The electric output means is a depolarized pulse (peak voltage density 21 V /
Output 8cm 2 , 3.6mA).
上記関電極、不関電極をツバキの切断枝（φ2.4cm）
に当接した。The above-mentioned seki electrode and indifferent electrode are cut branches of camellia (φ2.4cm)
Contacted.
電極の適応部には50個の小孔を開け、水で充分に湿ら
せ、関電極を木の下側、不関電極を木の上側に当接し
た。Fifty small holes were drilled in the adaptation part of the electrode, sufficiently moistened with water, and the Seki electrode was brought into contact with the lower side of the tree and the indifferent electrode was brought into contact with the upper side of the tree.
上記電気出力手段より電気出力を行なった。 Electric output was performed from the electric output means.
当接22時間29分経過した後、前記関電極当接個所付近
の表皮を剥離し、目視によりメチレンブルーの浸透を測
定した。After a lapse of 22 hours and 29 minutes, the epidermis near the contact point of the Seki electrode was peeled off, and the permeation of methylene blue was measured visually.
結果、メチレンブルーの侵入が認められた。 As a result, intrusion of methylene blue was recognized.
実験例２ 関、不関電極は実験例１と同一の電極を使用した。電
気出力手段は直流（30V/8cm2）を出力する。Experimental Example 2 The same electrodes as in Experimental Example 1 were used for the seki and unrelated electrodes. The electric output means outputs a direct current (30 V / 8 cm 2 ).
上記関電極、不関電極をツバキ切断枝（φ3cm）に当
接した。The above-mentioned seki electrode and the irrelevant electrode were in contact with a camellia cutting branch (φ3 cm).
電極の当接部には、50個の小孔を開け、水で充分に湿
らせた。50 small holes were made in the contact portion of the electrode, and the electrode was sufficiently moistened with water.
関電極を木の下側、不関電極を水の上側に当接した。 The Seki electrode was in contact with the lower side of the tree, and the indifferent electrode was in contact with the upper side of water.
上記電気出力手段より、電気出力を連続的に行なっ
た。The electric output was continuously performed by the electric output means.
当接22時間後、前記電極当接個所付近の表皮を剥離
し、目視によりメチレンブルーの浸透を測定した。After 22 hours of contact, the epidermis near the electrode contact point was peeled off, and the permeation of methylene blue was measured visually.
結果、植物体深部迄メチレンブルーの浸透が認められ
た。As a result, permeation of methylene blue was observed deep into the plant.
第１図乃至第３図及び第５図は、本発明の実施例を示す
図、第４図は、本発明の実施例に於ける電極の構造を示
す図である。 01……関電極、 02……不関電極、 03……植物体、 04……電気出力手段。1 to 3 and 5 show an embodiment of the present invention, and FIG. 4 shows a structure of an electrode in the embodiment of the present invention. 01: Seki electrode, 02: Indifferent electrode, 03: Plant, 04: Electric output means.
Claims (1)
り、薬物投与対象となる植物に接続する為の関電極、前
記関電極の対極として作用する不関電極、前記関電極及
び不関電極間で電気的な閉回路を形成し、前記薬物層の
薬物を植物内へ導入するために電気出力を行う電気出力
手段よりなる植物イオントフォレーゼシステム。1. An electrode comprising a conductive member for dispersing current and a drug layer, for connecting to a plant to which a drug is to be administered, an indifferent electrode acting as a counter electrode to the said electrode, the said electrode and the indifferent electrode A plant iontophoresis system comprising an electric output means for forming an electric closed circuit therebetween and outputting electric power for introducing the drug in the drug layer into a plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1073781A JP2725825B2 (en) | 1989-03-28 | 1989-03-28 | Plant iontophoresis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1073781A JP2725825B2 (en) | 1989-03-28 | 1989-03-28 | Plant iontophoresis system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02255020A JPH02255020A (en) | 1990-10-15 |
| JP2725825B2 true JP2725825B2 (en) | 1998-03-11 |
Family
ID=13528090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1073781A Expired - Lifetime JP2725825B2 (en) | 1989-03-28 | 1989-03-28 | Plant iontophoresis system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2725825B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002065064A (en) * | 2000-09-04 | 2002-03-05 | Ryoji Watabe | Method of activating plant |
| TW201540135A (en) | 2014-04-07 | 2015-10-16 | Univ Fujian Agric & Forestry | Indoor plant source negative ion stimulating generation device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53138841A (en) * | 1977-05-06 | 1978-12-04 | Saito Hiroshi | Growing method and device for plant |
| DE2812546A1 (en) * | 1978-03-22 | 1979-09-27 | Rembert Balz | METHOD AND DEVICE FOR INFLUENCING THE GROWTH OF PLANTS |
| JPS6141556U (en) * | 1984-08-16 | 1986-03-17 | 三菱電機株式会社 | instant water heater |
| JPS61242523A (en) * | 1985-04-19 | 1986-10-28 | 日本農芸化学工業株式会社 | Electrochemical culture of plant |
-
1989
- 1989-03-28 JP JP1073781A patent/JP2725825B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02255020A (en) | 1990-10-15 |
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