JP4783884B2 - Seaweed seedling production method - Google Patents

Seaweed seedling production method Download PDF

Info

Publication number
JP4783884B2
JP4783884B2 JP2008284250A JP2008284250A JP4783884B2 JP 4783884 B2 JP4783884 B2 JP 4783884B2 JP 2008284250 A JP2008284250 A JP 2008284250A JP 2008284250 A JP2008284250 A JP 2008284250A JP 4783884 B2 JP4783884 B2 JP 4783884B2
Authority
JP
Japan
Prior art keywords
substrate
primary
fixed
seaweed
seedling
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.)
Active
Application number
JP2008284250A
Other languages
Japanese (ja)
Other versions
JP2010110243A (en
Inventor
篤 伊藤
力 川越
啓子 公文
茂 五十川
博之 吉野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PUBLIC INTEREST INCORPORATED FOUNDATION HAKODATE REGIONAL INDUSTRY PROMOTION ORGANIZATION
Original Assignee
PUBLIC INTEREST INCORPORATED FOUNDATION HAKODATE REGIONAL INDUSTRY PROMOTION ORGANIZATION
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PUBLIC INTEREST INCORPORATED FOUNDATION HAKODATE REGIONAL INDUSTRY PROMOTION ORGANIZATION filed Critical PUBLIC INTEREST INCORPORATED FOUNDATION HAKODATE REGIONAL INDUSTRY PROMOTION ORGANIZATION
Priority to JP2008284250A priority Critical patent/JP4783884B2/en
Publication of JP2010110243A publication Critical patent/JP2010110243A/en
Application granted granted Critical
Publication of JP4783884B2 publication Critical patent/JP4783884B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cultivation Of Seaweed (AREA)

Description

本発明は、海藻、例えばホンダワラ類を増養殖するための種苗を生産する方法に関するものである。なお本発明でのホンダワラ類とは、褐藻類ホンダワラ科の海藻で、分類学的には「ヒバマタ目植物」の総称を意味するものであり、例えばスギモク、ウガノモク、ヤバネモク、ジョロモク、フシスジモク、アカモク、ヤツマタモク、ヨレモク、ノコギリモク等がある。   The present invention relates to a method for producing seedlings for the purpose of aquaculture of seaweeds, for example, Honda straw. In addition, the Honda Walla in the present invention is a seaweed of the brown alga Honda Wallaceae, and taxonomically means the generic name of `` Hybamatidae plant '', for example, Sugimoku, Uganomok, Yabanemoku, Joromoku, Fusujimoku, Akamok, There are Yatsumata Moku, Yoremoku, Sawtooth Moku and so on.

大型の褐藻であるホンダワラ類が繁茂する藻場は、有用魚介類に摂餌場所、隠れ場、産卵場所や仔稚の生育場所を提供するだけでなく、海域の栄養塩類を吸収することで水質浄化にも寄与していることが知られており、各地でホンダワラ類の藻場造成が積極的に試みられている。   The algae basin where the large brown algae Honda Wallaceae grows provides not only a feeding place, a hiding place, a spawning place and a place for larval growth for useful seafood, but also absorbs nutrients in the sea area to absorb water quality. It is known that it also contributes to purification, and attempts are being actively made to create a seaweed bed for Honda Walla in various places.

また、近年ホンダワラ類にはフコキサンチンをはじめとする様々な機能性成分が含まれていることが明らかになり、健康増進食材としての需要も高まりつつある。   In recent years, it has become clear that Honda Wallaces contain various functional ingredients such as fucoxanthin, and the demand for health promoting ingredients is increasing.

一般にホンダワラ類の幼胚は、海中での落下速度が大きいため拡散性が小さく、投石やコンクリート製藻礁などの着生基質を設置しても、これの近隣に母藻となる藻体が存在しなければ幼胚の着生が期待できない。   In general, larvae of Honda Wallaceae have low diffusivity due to their high falling speed in the sea, and even if an epiphytic substrate such as stoned or concrete algae reef is installed, there is an algal body that becomes a mother alga in the vicinity. Otherwise, the seedlings cannot be expected to settle.

そこで効率的に藻場を造成するため、屋内で培養した海藻の種苗を移植する方法が考えられている。そしてこの褐藻類の種苗の生産方法としては、例えば特許文献1〜5に記載された技術が知られている。   Therefore, in order to efficiently create a seaweed bed, a method of transplanting seedlings of seaweed cultured indoors has been considered. And the technique described in patent documents 1-5 is known, for example as a seedling production method of this brown algae.

特開2000−23582号公報JP 2000-23582 A 特開2004−65号公報JP 2004-65 A 特開2004−357613号公報JP 2004-357613 A 特開2006−42687号公報JP 2006-42687 A 特開2007−135523号公報JP 2007-135523 A

特許文献1に記載された海藻種苗の生産方法は、種苗糸などの種苗着生基材に海藻の胞子を着生させて発芽させた後に、その種苗着生基材をそのまま担体に装着して、さらに育成する方法が開示されている。   In the method for producing seaweed seedlings described in Patent Document 1, after seeding seedling seedlings such as seedlings and seedlings with seaweed spores, the seedling seedling growing bases are directly mounted on a carrier. Further, a method for nurturing is disclosed.

特許文献2は海藻の着生部材に関するもので、複数の線状体が表面に突出するシート状の基材に海藻の受精卵や遊走子を着生させて、海藻種苗を育成する方法が開示されている。   Patent Document 2 relates to a seaweed growth member, and discloses a method for growing seaweed seedlings by causing fertilized eggs and zoospores of seaweed to grow on a sheet-like base material on which a plurality of linear bodies protrude on the surface. Has been.

特許文献3は藻場造成方法に関するもので、表面が粗い多孔質の基材に海藻の胞子を付着させる方法が開示されている。   Patent Document 3 relates to a method for creating a seaweed bed, and discloses a method of attaching seaweed spores to a porous substrate having a rough surface.

特許文献4は海藻類種苗の生産方法に係るもので、太径のロープを平板状に束ねた集合体を海水中に設置して、その表面に海藻の生殖細胞などを付着させて育成する方法が開示されている。   Patent Document 4 relates to a method for producing seaweed seedlings, in which a large bundle of ropes bundled in a flat plate is installed in seawater and grown by attaching germ cells of seaweed to the surface. Is disclosed.

特許文献5は海藻種苗の生産方法に関するもので、海水の比重と等しい小ブロック状の海藻育成基質に海藻の幼胚を播種し、幼体になるまで培養し、培養後の基質をそのまま海水中で浮遊状態を維持されるように攪拌しながら育成する方法が開示されている。   Patent Document 5 relates to a method for producing seaweed seedlings, in which seedlings of seaweed embryos are seeded on a small block-like seaweed breeding substrate equal to the specific gravity of seawater, cultured until it becomes a juvenile, and the cultured substrate is directly used in seawater. A method of growing while stirring so as to maintain a floating state is disclosed.

上記した各特許文献に記載された各海藻種苗の育成方法にあっては、いずれも平板状、もしくは紐状の基質の上に直接播種した海藻の受精卵や胞子などが、もっぱら基質上の凹凸を頼って、自ら着生することを期待する方法である。   In each of the seaweed seedling growing methods described in each of the above patent documents, fertilized eggs or spores of seaweed directly sown on a plate-like or string-like substrate are exclusively uneven on the substrate. It is a method that expects to settle on its own.

この方法は、コンブ類のように付着器の発達が早く、基質への付着力が強い海藻類の種苗生産には適しているものの、ホンダワラ類のような付着器の発達が遅い藻体の種苗を生産する場合には、藻体が基質に活着する前に、基質から脱落してしまう頻度が極めて高いという問題がある。   This method is suitable for the production of seaweed seedlings that have a fast adherence development, such as kombu, and have strong adhesion to the substrate, but the seedlings of algae that have a slow development of attachments such as Honda In the case of producing, there is a problem that the frequency at which the algal bodies are detached from the substrate before activating the substrate is extremely high.

本発明は上記のことに鑑みなされたもので、ホンダワラ類の種苗の基質への着生率を向上させて、幼体を確実に基質に活着させた種苗として培養育成して海域での藻場造成やホンダワラ類の養殖に適した良質な海藻の種苗生産方法を提供することを目的とするものである。   The present invention has been made in view of the above, and has improved the seedling growth rate of seedlings of Honda Wallaceae, and cultivated and grown seedlings in which young larvae have been reliably established on the substrate to create seaweed beds in the sea area. The purpose is to provide a high-quality method for producing seedlings of seaweed suitable for aquaculture of honda.

上記目的を達成するために、本発明に係る海藻種苗の生産方法は、ホンダワラ類の雌の生殖器床に付着している受精卵を採取し、この受精卵をこの受精卵から繊維状の仮根が伸長して、付着器表層細胞が形成される前、もしくは付着器表層細胞が形成され始めた直後の状態の幼体となるまで静置培養し、ついで、この幼体を単離して一次着生基質に固定するようにした。 In order to achieve the above object, a method for producing a seaweed seedling according to the present invention, collects a fertilized egg attached to a female genital floor of a Honda Wallaceae, and uses the fertilized egg from this fertilized egg as a fibrous temporary root. Elongate and statically culture until the adherent surface cells are formed or until the adherent surface cells begin to form , and then the larvae are isolated and the primary engraftment substrate is isolated. It was fixed to.

また、前記一次着生基質に固定されたホンダワラ類の幼体を、さらに一次着生基質ごと二次着生基質に固定する。   In addition, the larvae of the watermelons fixed to the primary substrate are further fixed to the secondary substrate together with the primary substrate.

そして、前記一次着生基質または前記二次着生基質に固定したホンダワラ類の幼体の付着器が、それぞれ一次着生基質または二次着生基質に活着する。   And the attachment apparatus of the juveniles of the A. thaliana fixed to the primary epithelial substrate or the secondary epithelial substrate is attached to the primary epithelial substrate or the secondary epithelial substrate, respectively.

さらに本発明に係る海藻種苗の生産方法は、ホンダワラ類の雌の生殖器床に付着している受精卵を採取し、この受精卵をこの受精卵から繊維状の仮根が伸長して、付着器表層細胞が形成される前、もしくは付着器表層細胞が形成され始めた直後の状態の幼体となるまで静置培養し、ついで、この幼体を単離して一次着生基質に固定し、前記一次着生基質に固定したホンダワラ類の幼体を、仮根や付着器表層細胞が一次着生基質に活着するまで培養し、前記幼体が活着した一次着生基質を二次着生基質に固定し、二次着生基質に固定された幼体の付着器が二次着生基質に活着するまで培養するようにした。 Furthermore, the method for producing seaweed seedlings according to the present invention includes collecting fertilized eggs attached to the female genital floor of Honda Wallaceae, and extending the fertilized eggs from the fertilized eggs by a fibrous temporary root, Incubate statically until surface cells are formed, or until the juveniles are in a state immediately after the attachment cells are formed, then isolate the larvae and fix them on the primary substrate. the pups Sargassum such fixed raw substrate, and cultured until the rhizoids and appressoria surface cells survival in primary epiphytic substrate, to secure the primary settlement substrates the juvenile has rooting secondary settlement substrate, two The culture was continued until the juvenile adherence fixed to the secondary growth substrate settled on the secondary growth substrate.

そして上記海藻種苗の生産方法において、一次着生基質が撚り糸または組み糸であり、この糸の繊維の間に幼体の仮根を挟み込んで固定するようにしており、また二次着生基質が板状であり、この二次着生基質に設けた固定部に一次着生基質を固定するようにしている。   In the seaweed seedling production method, the primary substrate is a twisted yarn or a braided yarn, and a temporary root of a juvenile is sandwiched and fixed between the fibers of the yarn, and the secondary substrate is a plate. The primary substrate is fixed to the fixing part provided on the secondary substrate.

上記した本発明に係る海藻種苗の生産方法によれば、基質に強固に活着した海藻種苗を生産することができ、特に(1)強い付着力が得られること、(2)適切な密度で培養することが可能であること、(3)天然着生した藻体よりも早い成熟が見込めること、(4)確実な種苗生産であること、(5)栄養繁殖の可能性があること、(6)取り扱いの簡便性があること等の作用効果を奏することができるものである。   According to the above-described method for producing seaweed seedlings according to the present invention, seaweed seedlings firmly established on a substrate can be produced, and in particular, (1) strong adhesion can be obtained, and (2) culture at an appropriate density. (3) Expected to be matured faster than naturally grown algae, (4) Sure seedling production, (5) Possibility of vegetative reproduction, (6 ) It is possible to achieve operational effects such as ease of handling.

すなわち、(1)強い付着力が得られることは、従来の移植個体による藻場造成においては、移植個体が基質に定着する前に剥離脱落してしまうことによる高い初期減耗率が課題であったが、本発明の方法では基質への付着力が十分に強い海藻種苗を生産することができるため、着生の効率が非常に高く、剥離脱落による初期減耗を減少させることができることによるものである。また、従来の方法で生産した海藻種苗では、剥離脱落してしまうような波当たりの強い海域にあっても海藻の種苗を移植することも可能となる。   That is, (1) to obtain a strong adhesive force, in the conventional seaweed bed construction by transplanted individuals, a high initial depletion rate due to peeling and dropping before the transplanted individuals settle on the substrate was a problem. However, since the method of the present invention can produce seaweed seedlings with sufficiently strong adhesion to the substrate, the efficiency of settlement is very high, and the initial depletion due to peeling off can be reduced. . In addition, with seaweed seedlings produced by conventional methods, it is possible to transplant seaweed seedlings even in a sea area with strong waves that may be peeled off.

(2)適切な密度で培養することが可能であることは、従来のような海藻種苗の生産方法にあっては、藻体の生長に伴い基質上で次第に過密になり、培養中の藻体が光や栄養塩などを巡る過度の競争にさらされて、個体数の減少や生長不良に陥っていたが、本発明の方法にあっては、仮根の伸長が始まった幼胚を単離して基質に付着させていることから、減耗や生長不良を生じさせないように培養密度を調節しながら培養することが可能であることによるものである。   (2) In the conventional method for producing seaweed seedlings, it is possible to cultivate at an appropriate density. As the algal bodies grow, they become increasingly dense on the substrate, and the algal bodies being cultured However, in the method of the present invention, a young embryo that has started to grow temporary roots is isolated by being exposed to excessive competition for light and nutrients. This is because it can be cultured while adjusting the culture density so as not to cause depletion or growth failure.

(3)天然着生した藻体よりも早い成熟が見込めることは、本発明の方法にあっては、より大型に生長させた海藻の種苗を海域に移植することができるため、その後の生長も促進され、通常、着生から2年目以降でなければ成熟が始まらない海藻種であっても、本発明方法における移植藻体では1年以内に成熟が始まることも見込めることによるものである。すなわち、移植した藻体は各地先において、より早く母藻として機能することになり、周辺海域へのすみやかな藻場の拡張が期待できる。   (3) It is expected that maturation is faster than naturally grown algae. In the method of the present invention, seeds and seedlings of seaweed grown to a larger size can be transplanted into the sea area. This is because even if a seaweed species that is promoted and normally matures only after the second year of establishment, the transplanted alga body in the method of the present invention is expected to start maturing within one year. In other words, the transplanted alga bodies will function as mother algae earlier in various places, and a rapid expansion of the seaweed bed to the surrounding sea area can be expected.

(4)確実な種苗生産であることは、本発明の方法にあっては培養中の初期減耗が少ないため、入手できる受精卵数が限られているような藻体であっても、それぞれを確実に移植用の種苗に生長させることが可能となることによるものである。   (4) In the method of the present invention, reliable seed and seedling production means that there is little initial depletion during culturing, so each alga body that has a limited number of fertilized eggs can be obtained. This is because it is possible to reliably grow seedlings for transplantation.

(5)栄養繁殖の可能性があることは、本発明の方法にあっては、付着器が一次着生基質や二次着生基質にしっかりと活着していることから、仮に波浪などにより移植藻体の葉状部が流失したとしても、基質上には付着器が残る可能性が高く、その付着器から藻体が栄養繁殖によって発生して生長することが期待できることによるものである。   (5) In the method of the present invention, the possibility of vegetative propagation is that the attachment device is firmly attached to the primary and secondary substrate, so that it is temporarily transplanted by waves or the like. This is because even if the leaf-like part of the algal body is washed away, the attachment device is likely to remain on the substrate, and the growth of the alga body from the attachment device by vegetative propagation can be expected.

(6)取り扱いの簡便性があることは、本発明の方法にあっては、一次着生基質は撚り糸もしくは組み糸であり、二次着生基質は板状の小片であることから、軽量で小型の海藻種苗を作成することが可能であり、移植先までの輸送コストを低減することができ、移植作業の際の取り扱いも簡便であることによるものである。   (6) In the method of the present invention, it is easy to handle because the primary substrate is a twisted yarn or a braided yarn, and the secondary substrate is a plate-shaped piece. This is because a small seaweed seedling can be prepared, the transportation cost to the transplantation destination can be reduced, and the handling during the transplantation work is simple.

図1はホンダワラ類(ウガノモク)のライフサイクルを示すもので、雌雄異体の成体の枝の先端部に形成されている雌の生殖器床の表面に放出された卵が雄の生殖器床から放出された***にて受精して受精卵となり、卵割を経て繊維状仮根を有する一次仮根胚となり、ついで繊維状仮根が増加した二次仮根胚、主軸形成体に生長し、さらに上記繊維状仮根上に付着器表層細胞が発生して付着器に生長した付着器形成体となって、この付着器にて基質に固定されて上記成体へと生長する。   Fig. 1 shows the life cycle of the kingfisher (Uganomok). Eggs released on the surface of the female genital bed formed at the tip of an adult hermaphrodite branch were released from the male genital bed. Fertilized by sperm to become a fertilized egg, it becomes a primary temporary root embryo having a fibrous temporary root through cleavage, and then grows into a secondary temporary root embryo with an increased number of fibrous temporary roots, a main axis forming body, and the above fibers An adherent surface cell is generated on the temporary root and becomes an appendage forming body that grows in the attaching device, and is fixed to the substrate by the attaching device and grows to the adult body.

上記ホンダワラ類のライフサイクルにおいて、受精卵から一次仮根胚までの大きさは1mm未満であり、二次仮根胚から主軸形成体までの大きさは1cm未満である。   In the life cycle of the above-mentioned Honda Wallaceae, the size from the fertilized egg to the primary temporary root embryo is less than 1 mm, and the size from the secondary temporary root embryo to the main axis forming body is less than 1 cm.

次に本発明の実施の形態を図2から図6に基づいて説明する。   Next, an embodiment of the present invention will be described with reference to FIGS.

野外(海中)から成熟して受精している卵が表面に付着している雌の生殖器床1を採集して、オートクレーブで滅菌した濾過海水を入れたシャーレ(容器)2の中に入れる。シャーレ2に入れた滅菌濾過海水内で、生殖器床1の表面をカバーガラス3の縁辺部などでこそぐことにより、生殖器床1の表面に付着している受精卵4をシャーレ2内に採取する(図2)。   A female genital bed 1 with eggs fertilized and fertilized from the outdoors (in the sea) is collected and placed in a petri dish (container) 2 containing filtered seawater sterilized by autoclaving. The fertilized egg 4 adhering to the surface of the genital floor 1 is collected in the petri dish 2 by scraping the surface of the genital floor 1 with the edge of the cover glass 3 in the sterile filtered seawater put in the petri dish 2. (FIG. 2).

採取した受精卵4は、滅菌濾過海水ですすぎながら洗浄して珪藻などの夾雑物を取り除く。   The collected fertilized egg 4 is rinsed with sterilized filtered seawater to remove impurities such as diatoms.

次に滅菌濾過海水に栄養塩類を添加した培養海水をシャーレ2に満たし、その中に上記受精卵4を互いに接触しないような密度で播種する(図3)。この受精卵4を播種したシャーレ2を適切な温度に設定した培養庫内で、受精卵から繊維状の仮根が伸長して付着器表層細胞が形成され始めた直後の幼体(二次仮根胚、もしくは主軸形成体)になるまで静置培養する。この静置培養中は、幼体が流れ出さないように注意を払いながら1週間に1度以上培養海水を交換する。   Next, the cultured seawater in which nutrient salts are added to sterile filtered seawater is filled in the petri dish 2, and the fertilized eggs 4 are seeded therein so as not to contact each other (FIG. 3). In a culture chamber in which the petri dish 2 seeded with the fertilized egg 4 is set to an appropriate temperature, a juvenile body (secondary temporary root) immediately after the fibrous temporary roots extend from the fertilized egg and the attachment surface cells begin to form. Incubate statically until it becomes an embryo or main axis-forming body. During this static culture, the cultured seawater is exchanged at least once a week while paying attention to prevent the juveniles from flowing out.

付着器表層細胞が形成される前、もしくは付着器表層細胞が形成され始めた直後に、繊維状の仮根が伸長した幼体(二次仮根胚、もしくは主軸形成体)を、静置培養していたシャーレの底面から、仮根細胞を損傷しないように採取して単離する。   A juvenile body (secondary temporary root embryo or main axis forming body) in which fibrous temporary roots are elongated is statically cultured before the attachment surface cells are formed or immediately after the attachment surface cells start to be formed. Collect and isolate temporary root cells from the bottom of the petri dish so that they are not damaged.

単離した幼体5の繊維状二次仮根6の一部を一次着生基質7に挟み込んで固定する(図4(a)、(b))。この一次着生基質7は、例えば4〜12号の3本撚りのクレモナ(商品名、以下同様)撚り糸が挙げられる、このクレモナ撚り糸の撚りを戻して、繊維の間に幼体5の仮根6の一部を挟み込む。なお、この一次着生基質7は組み紐であったり、紐状の繊維であってもよい。   A part of the fibrous secondary temporary root 6 of the isolated juvenile 5 is sandwiched and fixed in the primary substrate 7 (FIGS. 4A and 4B). The primary substrate 7 is, for example, a triple-twisted Cremona (trade name, the same shall apply hereinafter) twisted yarn of No. 4-12. The twist of the Cremona twisted yarn is returned, and the temporary root 6 of the juvenile 5 is placed between the fibers. A part of is inserted. The primary substrate 7 may be a braid or a string-like fiber.

一次着生基質7に挟み込んだ後、この一次着生基質7上に幼体5の付着器が活着するまで、上記培養海水中で培養する(図5)。   After being sandwiched between the primary settlement substrate 7, the cells are cultured in the culture seawater until the attachment device of the young body 5 is activated on the primary deposition substrate 7 (FIG. 5).

一次着生基質7に挟み込んだ幼体5の仮根6上に、付着器表層細胞が形成されて、一次着生基質7に付着器が活着したら、この幼体5を一次着生基質7ごと二次着生基質8の凹部に揺動しないようにしっかりと固定する。   When an adherent surface layer cell is formed on the temporary root 6 of the juvenile body 5 sandwiched between the primary engraftment matrix 7 and the adherence apparatus is activated on the primary engraftment matrix 7, this juvenile body 5 is secondary to the primary engraftment substrate 7 together. Fix firmly to the recess of the substrate 8 so as not to swing.

図6はその様子を示すもので、これの(a)図に示すように、二次着生基質8は、樹脂にて形成されており、例えば厚さ3mmの塩化ビニール板で、一次着生基質7として用いたクレモナ撚り糸の太さと等しい直径の穴9が4個1列に並べて設けてあり、その中央寄りの2個の穴は、上記クレモナ撚り糸の太さよりもやや浅い溝10でつながっている。そして(b)、(c)図に示すように、塩化ビニール板上の溝10にクレモナ撚り糸に活着した幼体5をクレモナ撚り糸ごとはめ込んで、これの両側のクレモナ撚り糸を中央寄りの穴から裏側へ通し、ついで両端側の穴から表側へ通すことにより、上記幼体5は一次着生基質7ごと二次着生基質8の溝10内に固定される。   FIG. 6 shows this state. As shown in FIG. 6A, the secondary substrate 8 is formed of a resin, such as a vinyl chloride plate having a thickness of 3 mm. Four holes 9 having a diameter equal to the thickness of the Cremona twist yarn used as the substrate 7 are arranged in a row, and the two holes closer to the center are connected by a groove 10 slightly shallower than the thickness of the Cremona twist yarn. Yes. Then, as shown in FIGS. 2 (b) and (c), the young body 5 alive on the Cremona twisted yarn is fitted into the groove 10 on the vinyl chloride plate together with the Cremona twisted yarn, and the Cremona twisted yarns on both sides thereof are moved from the hole closer to the center to the back side. Then, the young body 5 is fixed in the groove 10 of the secondary substrate 8 together with the primary substrate 7 by passing through the holes on both ends to the front side.

一次着生基質7ごと二次着生基質8に固定された幼体5は、その後上記培養海水中で付着器が二次着生基質8に伸展して活着するまで培養して、ホンダワラ類の海藻種苗を生産する。   The young body 5 fixed to the secondary substrate 8 together with the primary substrate 7 is then cultured in the cultured seawater until the attachment device extends and settles on the secondary substrate 8, and seaweed of Honda Produce seedlings.

上記培養工程において、培養容器内に付着珪藻やラン藻などが混入して増殖すると、海藻種苗の生長や付着器の発達に悪影響を与える可能性があるので、必要に応じて培養容器内の内部や培養中の海藻種苗の表面のクリーニングを行う。また、珪藻やラン藻などの夾雑物の混入をなるべく少なくするために、培養に使用する器具や材料は予めオートクレーブで滅菌したものを使用する。   In the above culturing process, if adhering diatoms or cyanobacteria are mixed in the culture vessel and proliferated, it may adversely affect the growth of seaweed seedlings and the development of the attachment device. And cleaning the surface of seaweed seedlings in culture. In addition, in order to minimize the contamination of diatoms and cyanobacteria and other contaminants, the instruments and materials used for the culture should be sterilized in advance by an autoclave.

以下に実施例を示して本発明をより詳細に説明するが、以下の実施例によって本発明が限定されるものではない。   EXAMPLES The present invention will be described in more detail with reference to the following examples, but the present invention is not limited to the following examples.

この実施例1では、ホンダワラ属フシスジモクを材料として実施した。野外から成熟した雌の生殖器床を採集して、直径180μmの受精卵を得た。この受精卵を、直径90mm、深さ20mmのプラスチックシャーレに、シャーレあたり30〜50個になるように播種し、ついでオートクレーブで滅菌した濾過海水1000mlに対して、藻類用培養液Grund 1mlを添加してなる培養海水を入れた。そしてこのシャーレを15℃に設定した培養庫の中に静置した。   In this Example 1, a material of the genus Honda Wallis was used. A mature female genital bed was collected from the field to obtain a fertilized egg having a diameter of 180 μm. This fertilized egg is seeded in a plastic petri dish with a diameter of 90 mm and a depth of 20 mm so that there are 30-50 per petri dish, and then 1 ml of algae culture solution Grund is added to 1000 ml of filtered seawater sterilized by an autoclave. Cultured seawater was added. And this petri dish was left still in the incubator set to 15 degreeC.

上記培養庫内の照明は、白色蛍光灯を光源として光量子束密度240μE/m/sで、明期12時間/暗期12時間に設定した。また、培養海水は1週間に1度交換した。 Illumination in the incubator was set to 12 hours light period / 12 hours dark period with a white fluorescent lamp as a light source and a photon flux density of 240 μE / m 2 / s. Cultured seawater was changed once a week.

3週間後、藻長が3〜7mmまで生長した幼体を単離してこれの繊維状二次仮根の一部を一次着生基質となる12号のクレモナ撚り糸の撚りの間に挟み込んだ。そしてこの幼体を、栄養塩を添加した滅菌濾過海水中で、幼体の付着器がクレモナ撚り糸上に活着するまで培養した。この間に横30mm、縦25mm、厚さ3mmの塩化ビニール板に、直径2mmの4個の穴を1列に穿孔して、その中央寄りの2個の穴を深さが1.6mmの溝でつなげたものをフシスジモク用の二次着生基質として用意した。   Three weeks later, a young plant having an algal length of 3 to 7 mm was isolated and a part of the fibrous secondary temporary root was sandwiched between twists of No. 12 Cremona twisted yarn serving as a primary substrate. The juveniles were cultured in sterile filtered seawater to which nutrient salts were added until the juvenile attachment device was settled on the Cremona twisted yarn. During this time, 4 holes with a diameter of 2 mm are drilled in a row on a vinyl chloride plate with a width of 30 mm, a length of 25 mm, and a thickness of 3 mm, and the two holes closer to the center are formed by grooves with a depth of 1.6 mm. The connected product was prepared as a secondary epithelial substrate for Fusizimoku.

4週間後、藻長が10〜15mmになり、付着器がクレモナ撚り糸上に活着した藻体を、クレモナ撚り糸ごとこのクレモナ撚り糸を二次着生基質の溝と穴に通すことにより固定した。その後、付着器が二次着生基質に活着するまで、栄養塩を添加した滅菌濾過海水中で培養し、2ヶ月後、藻長が3〜4cmのフシスジモクの海藻種苗が生産できた。   After 4 weeks, the alga body having an algal length of 10 to 15 mm and attached by the applicator on the Cremona twisted yarn was fixed by passing the Cremona twisted yarn together with the Cremona twisted yarn through the groove and hole of the secondary substrate. After that, until the applicator was entrapped on the secondary substrate, it was cultured in sterile filtered seawater to which nutrient salts were added, and after 2 months, a seaweed seedling with a 3-4 cm alga length could be produced.

この実施例2では、ウガノモク属ウガノモクを材料として実施した。野外から成熟した雌の生殖器床を採集して、直径130〜150μmの受精卵を得た。この受精卵を、直径90mm、深さ20mmのプラスチックシャーレに、シャーレあたり30〜50個になるように播種し、ついでオートクレーブで滅菌した濾過海水1000mlに対して、藻類用培養液Grund 1mlを添加してなる培養海水を入れた。そしてこのシャーレを15℃に設定した培養庫の中に静置した。   In Example 2, the genus Uganomomo was used as a material. Female genital organ beds matured from the field were collected to obtain fertilized eggs having a diameter of 130 to 150 μm. This fertilized egg is seeded in a plastic petri dish with a diameter of 90 mm and a depth of 20 mm so that there are 30-50 per petri dish, and then 1 ml of algae culture solution Grund is added to 1000 ml of filtered seawater sterilized by an autoclave. Cultured seawater was added. And this petri dish was left still in the incubator set to 15 degreeC.

上記培養庫内の照明は、白色蛍光灯を光源として光量子束密度240μE/m/sで、明期12時間/暗期12時間に設定した。また、培養海水は1週間に1度交換した。 Illumination in the incubator was set to 12 hours light period / 12 hours dark period with a white fluorescent lamp as a light source and a photon flux density of 240 μE / m 2 / s. Cultured seawater was changed once a week.

2週間後、藻長が2〜3mm程度まで生長した幼体を単離してこれの繊維状二次仮根を一次着生基質となる4号のクレモナ撚り糸の撚りの間に挟み込んだ。そしてこの幼体を、栄養塩を添加した滅菌濾過海水中で、幼体の付着器がクレモナ撚り糸上に活着するまで培養した。この間に横30mm、縦25mm、厚さ3mmの塩化ビニール板に、直径1.1mmの4個の穴を1列に穿孔して、その中央寄りの2個の穴を深さが1mmの溝でつなげたものをウガノモク用の二次着生基質として用意した。   Two weeks later, the juveniles whose algal length grew to about 2 to 3 mm were isolated, and the fibrous secondary temporary roots were sandwiched between twists of No. 4 Cremona twisted yarn serving as a primary substrate. The juveniles were cultured in sterile filtered seawater to which nutrient salts were added until the juvenile attachment device was settled on the Cremona twisted yarn. During this time, four holes with a diameter of 1.1 mm are drilled in a row on a vinyl chloride plate with a width of 30 mm, a length of 25 mm, and a thickness of 3 mm, and the two holes closer to the center are grooved with a depth of 1 mm. The connected one was prepared as a secondary substrate for Uganomok.

4週間後、藻長が10〜15mmになり、付着器がクレモナ撚り糸上に活着した藻体を、クレモナ撚り糸ごとこのクレモナ撚り糸を二次着生基質の溝と穴に通すことにより固定した。その後、付着器が二次着生基質に活着するまで、栄養塩を添加した減菌海水中で培養し、3ヶ月後、藻長が3〜4cmのウガノモクの海藻種苗が生産できた。   After 4 weeks, the alga body having an algal length of 10 to 15 mm and attached by the applicator on the Cremona twisted yarn was fixed by passing the Cremona twisted yarn together with the Cremona twisted yarn through the groove and hole of the secondary substrate. Then, until the attachment device was activated on the secondary growth substrate, it was cultured in sterilized seawater to which nutrient salts were added, and after 3 months, a seaweed seedling of Uganomok with an alga length of 3 to 4 cm could be produced.

上記した各実施例において、一次着生基質であるクレモナ撚り糸への幼体の付着器の活着工程では、図7(a)に示すように、幼体5の仮根を挟み込んだクレモナ撚り糸7aの両端を結んで輪状にし、これを図7(b)に示すように海藻培養海水が入っている水槽11内に棒12で吊り下げて多数並べて収納して培養した。   In each of the above-described embodiments, as shown in FIG. 7 (a), in the activating process of the juvenile attachment device to the Cremona twisted yarn that is the primary settlement substrate, both ends of the Cremona twisted yarn 7a sandwiching the temporary root of the juvenile 5 are sandwiched. It was tied and made into a ring shape, and this was suspended with a rod 12 in a water tank 11 containing seaweed cultured seawater and stored in a row and stored.

このようにすることにより、一次着生基質への付着器の活着を省スペースにて行うことができると共に、各幼体5への光の照射を効率よく行うことができた。   By doing in this way, while being able to perform attachment of the applicator to the primary deposition substrate in a space-saving manner, it was possible to efficiently irradiate each juvenile body 5 with light.

また図8は、上記した各実施例において用いた二次着生基質8を示すもので、この二次着生基質8は折り曲げることにより容易に分離可能にして多数連結した状態で板状に成形されており、この基質板Aの各二次着生基質8に、上記付着器の活着工程を終了した幼体5をクレモナ撚り糸ごと固定する。その後この各基質板Aを幼体5の固定側を表側にして2枚ずつ背中合わせにして培養海水を入れた培養用水槽に浸漬する。   FIG. 8 shows the secondary substrate 8 used in each of the above-described embodiments. The secondary substrate 8 can be easily separated by bending and formed into a plate shape in a state where many are connected. The juvenile body 5 that has completed the attaching step of the attachment device is fixed to each secondary substrate 8 of the substrate plate A together with the Cremona twisted yarn. Thereafter, each substrate plate A is immersed two-by-two back-to-back with the fixed side of the young body 5 on the front side in a culture tank containing culture seawater.

このようにすることにより、培養用水槽内に多くの幼体を入れることができ、大量培養を行うことができる。   By doing in this way, many juveniles can be put in the culture water tank, and mass culture can be performed.

図6(c)に示したように、二次着生基質8に一次着生基質7ごと固定され、この二次着生基質8にて活着するまで培養された海藻種苗は、海藻種苗取り付け器に取り付けられ、この海藻種苗取り付け器を海底に沈設した藻礁に固定することにより藻場が形成される。   As shown in FIG. 6 (c), the seaweed seedling seedling cultivator is fixed to the secondary seedling substrate 8 together with the primary seedling substrate 7 and cultured until the secondary seedling substrate 8 is settled. A seaweed bed is formed by fixing this seaweed seed and seedling attachment device to the algal reef set on the seabed.

図9はその様子を示すもので、海底に沈設する藻礁13の表面、例えば上面に上記二次着生基質8を取り付けた海藻種苗取り付け器14をボルトあるいは接着剤にて固定する。   FIG. 9 shows such a situation, and a seaweed seedling attaching device 14 having the secondary regenerated substrate 8 attached thereto is fixed with a bolt or an adhesive on the surface, for example, the upper surface, of the algal reef 13 set on the seabed.

なお、上記した各実施例にて用いた二次着生基質8は、塩化ビニール板にて構成した例を示したが、これに限るものではなく、セラミックや金属等他の材質を用いてもよい。   The secondary substrate 8 used in each of the above-described embodiments is an example of a vinyl chloride plate. However, the present invention is not limited to this, and other materials such as ceramic and metal may be used. Good.

また、二次着生基質8に一次着生基質7を固定するための手段として、この二次着生基質8に穴9と溝10を設けた例を示したが、一次着生基質7を固定する手段としては穴や溝に限るものではなく、二次着生基質8にスリットを設け、このスリットに一次着生基質7をはさみ込むようにしてもよく、要は二次着生基質8に固定部を設け、この固定部に一次着生基質7を固定する。   In addition, as an example of fixing the primary substrate 7 to the secondary substrate 8, an example in which the hole 9 and the groove 10 are provided in the secondary substrate 8 is shown. The fixing means is not limited to a hole or a groove. A slit may be provided in the secondary substrate 8, and the primary substrate 7 may be sandwiched in the slit. In short, the substrate is fixed to the secondary substrate 8. The primary growth substrate 7 is fixed to the fixing portion.

図10から図12は上記二次着生基質8(8a,8b,8c)の固定部の他例及び固定状態を示すものである。   FIGS. 10 to 12 show other examples and fixing states of the fixing part of the secondary substrate 8 (8a, 8b, 8c).

図10(a),(b)は第1の他例を示すもので、二次着生基質8aの中央部表面に設けた溝10の長手方向側にくさび状の切り込み溝15,15を設けている。そして上記溝10にクレモナ撚り糸7aに活着した幼体5をクレモナ撚り糸7aごとはめ込むと共に、クレモナ撚り糸7aの両端を切り込み溝15,15にはさみ込んで固定するようになっている。   FIGS. 10 (a) and 10 (b) show a first other example, in which wedge-shaped cut grooves 15, 15 are provided on the longitudinal direction side of the groove 10 provided on the center surface of the secondary substrate 8a. ing. Then, the young body 5, which is entrapped in the Cremona twisted yarn 7 a, is fitted into the groove 10 together with the Cremona twisted yarn 7 a, and both ends of the Cremona twisted yarn 7 a are inserted into the cut grooves 15, 15 and fixed.

図11(a),(b),(c)は第2の他例を示すもので、二次着生基質8bの中央部表面に設けた溝10の長手方向両側に、この溝10まで連通するくさび状の切り込み溝16,16と、この切り込み溝16,16より溝10の長手方向の外側に他の切り込み溝17,17が設けられている。そして上記溝10にクレモナ撚り糸7aに活着した幼体5をクレモナ撚り糸7aごとはめ込み、ついでクレモナ撚り糸7aの両端を内側の切り込み溝16,16にはさみ込むと共に、裏側から外側の切り込み溝17,17に挟み込んでこれを固定するようにしている。   11 (a), 11 (b), and 11 (c) show a second other example, and communicate with the groove 10 on both sides in the longitudinal direction of the groove 10 provided on the center surface of the secondary substrate 8b. The wedge-shaped cut grooves 16 and 16 are provided, and other cut grooves 17 and 17 are provided outside the cut grooves 16 and 16 in the longitudinal direction of the groove 10. Then, the young body 5, which is entrapped in the Cremona twisted yarn 7 a, is fitted into the groove 10 together with the Cremona twisted yarn 7 a, and then both ends of the Cremona twisted yarn 7 a are sandwiched between the inner cut grooves 16, 16 and are inserted into the outer cut grooves 17, 17 from the back side. This is fixed.

図12(a),(b)は第3の他例を示すもので、二次着生基質8cの表面に、裏側でわずかな厚みによって繋がる深さのスリット18が設けてある。そして二次着生基質8cを折り曲げることにより広くなったスリット18にクレモナ撚り糸7aごと幼体5をはさみ込んでこれを折り戻すことにより固定するようにしている。   12 (a) and 12 (b) show a third other example, in which a slit 18 having a depth connected by a slight thickness on the back side is provided on the surface of the secondary substrate 8c. Then, the young body 5 is inserted together with the Cremona twisted yarn 7a into the slit 18 which is widened by folding the secondary substrate 8c, and is fixed by folding it back.

上記した本発明の実施例では、(A)受精卵を静置培養して得られた幼体を一次着生基質に固定する工程と、(B)上記一次着生基質に固定された幼体を、さらに一次着生基質ごと二次着生基質に固定し、(C)上記一次着生基質または二次着生基質に固定した幼体の付着器が、それぞれの着生基質に活着する工程を経て海藻種苗を得るようにした例について説明したが、本発明はこのような実施例に限定されるものではない。   In the above-described embodiment of the present invention, (A) a step of fixing a larva obtained by stationary culture of a fertilized egg to a primary epithelial substrate, and (B) a larva immobilized on the primary epithelial substrate, Further, the primary agglutination substrate is fixed to the secondary agglutination substrate, and (C) a seaweed is passed through a process in which the adhering apparatus of the juvenile immobilized on the primary agglutination substrate or the secondary agglutination substrate is activated on the respective agglutination substrate. Although the example which obtained seedlings was demonstrated, this invention is not limited to such an Example.

すなわち、受精卵を静置培養して得られた幼体を一次着生基質に固定し、この一次着生基質を海中に垂下したロープに結びつけて海中で上記幼体が一次着生基質に活着させると共に所定の大きさまで生長させて海藻種苗としてもよい。   That is, a young body obtained by stationary culture of a fertilized egg is fixed to a primary epithelial matrix, and the primary epithelial matrix is tied to a rope suspended in the sea so that the juvenile is allowed to settle on the primary epithelial matrix in the sea. It is good also as a seaweed seedling by growing to a predetermined size.

ホンダワラ類のライフサイクルを示す説明図である。It is explanatory drawing which shows the life cycle of Honda Walla. 受精卵の採取状態を示す斜視図である。It is a perspective view which shows the collection state of a fertilized egg. 受精卵の静置培養状態を示す斜視図である。It is a perspective view which shows the stationary culture state of a fertilized egg. (a),(b)は幼体を一次着生基質に固定する様子を示す説明図である。(A), (b) is explanatory drawing which shows a mode that a juvenile is fixed to a primary settlement substrate. 一次着生基質に幼体が活着した状態を示す説明図である。It is explanatory drawing which shows the state in which the young body was settled to the primary substrate. (a),(b)は二次着生基質に一次着生基質を取り付ける作用説明図であり、(c)は断面図である。(A), (b) is an action explanatory view which attaches a primary deposition substrate to a secondary deposition substrate, (c) is a sectional view. (a),(b)は一次着生基質に取り付けた幼体の培養作用を示す説明図である。(A), (b) is explanatory drawing which shows the culture | cultivation effect | action of the juvenile attached to the primary epithelial substrate. 二次着生基質に取り付けた幼体の培養作用を示す説明図である。It is explanatory drawing which shows the culture | cultivation effect | action of the juvenile attached to the secondary growth substrate. 海藻種苗取り付け器を用いて藻場を造成する様子を示す斜視図である。It is a perspective view which shows a mode that a seaweed bed is created using a seaweed seedling attachment device. (a),(b)は二次着生基質の第1の他例を示す斜視図である。(A), (b) is a perspective view which shows the 1st other example of a secondary deposition substrate. (a),(b),(c)は二次着生基質の第2の他例を示す斜視図である。(A), (b), (c) is a perspective view which shows the 2nd other example of a secondary deposition substrate. (a),(b)は二次着生基質の第3の他例を示す斜視図である。(A), (b) is a perspective view which shows the 3rd other example of a secondary deposition substrate.

符号の説明Explanation of symbols

1…生殖器床、2…シャーレ、3…カバーガラス、4…受精卵、5…幼体、6…仮根、7…一次着生基質、7a…クレモナ撚り糸、8,8a,8b,8c…二次着生基質、9…穴、10…溝、11…水槽、12…棒、13…藻礁、14…海藻種苗取り付け器、15,16,17…切り込み溝、18…スリット、A…基質板。   DESCRIPTION OF SYMBOLS 1 ... Genital bed, 2 ... Petri dish, 3 ... Cover glass, 4 ... Fertilized egg, 5 ... Infant, 6 ... Temporary root, 7 ... Primary settlement substrate, 7a ... Cremona twisted yarn, 8, 8a, 8b, 8c ... Secondary Substratum, 9 ... hole, 10 ... groove, 11 ... water tank, 12 ... bar, 13 ... algae reef, 14 ... seaweed seedling attachment device, 15, 16, 17 ... slit groove, 18 ... slit, A ... substrate plate.

Claims (6)

ホンダワラ類の雌の生殖器床に付着している受精卵を採取し、
この受精卵をこの受精卵から繊維状の仮根が伸長して、付着器表層細胞が形成される前、もしくは付着器表層細胞が形成され始めた直後の状態の幼体となるまで静置培養し、
ついで、この幼体を単離して一次着生基質に固定することを特徴とする海藻種苗の生産方法。
Collect fertilized eggs attached to the genital floor of female females
The fertilized egg is statically cultured until the vegetative temporary roots extend from the fertilized egg to form a juvenile in a state immediately after the attachment cell surface cells are formed or immediately after the attachment cell surface cells start to form. ,
Next, a method for producing a seaweed seedling , wherein the young body is isolated and fixed to a primary settlement substrate.
前記一次着生基質に固定されたホンダワラ類の幼体を、さらに一次着生基質ごと二次着生基質に固定することを特徴とする請求項1記載の海藻種苗の生産方法。   The method for producing a seaweed seedling according to claim 1, further comprising fixing the first seedling substrate to a secondary seedling substrate, wherein the young seedlings of the watermelon species fixed to the primary seedling substrate are further fixed. 前記一次着生基質または前記二次着生基質に固定したホンダワラ類の幼体の付着器が、それぞれ一次着生基質または二次着生基質に活着する工程を含むことを特徴とする請求項1または請求項2記載の海藻種苗の生産方法。   The attachment unit of a young larva of a species of Honda that is fixed to the primary epithelial substrate or the secondary epithelial substrate includes a step of activating the primary epithelial substrate or the secondary epithelial substrate, respectively. The method for producing a seaweed seedling according to claim 2. ホンダワラ類の雌の生殖器床に付着している受精卵を採取し、
この受精卵をこの受精卵から繊維状の仮根が伸長して、付着器表層細胞が形成される前、もしくは付着器表層細胞が形成され始めた直後の状態の幼体となるまで静置培養し、
ついで、この幼体を単離して一次着生基質に固定し、
前記一次着生基質に固定したホンダワラ類の幼体を、仮根や付着器表層細胞が一次着生基質に活着するまで培養し、
前記幼体が活着した一次着生基質を二次着生基質に固定し、
二次着生基質に固定された幼体の付着器が二次着生基質に活着するまで培養する
ことを特徴とする海藻種苗の生産方法。
Collect fertilized eggs attached to the genital floor of female females
The fertilized egg is statically cultured until the vegetative temporary roots extend from the fertilized egg to form a juvenile in a state immediately after the attachment cell surface cells are formed or immediately after the attachment cell surface cells start to form. ,
Next, this young body is isolated and fixed to the primary substrate,
Cultivating the larvae of Honda wallworms fixed on the primary epithelial matrix until the temporary roots and the surface cells of the appendages are settled on the primary epithelial matrix,
Primary epiphytic substrate the juvenile has Rooting fixed to the secondary settlement substrate,
A method for producing seaweed seedlings, which comprises culturing until a juvenile attachment device fixed to a secondary growth substrate settles on the secondary growth substrate.
一次着生基質が撚り糸または組み糸であり、この糸の繊維の間に幼体の仮根を挟み込んで固定することを特徴とする請求項1から請求項4のいずれか1項記載の海藻種苗の生産方法。   The seaweed seedling according to any one of claims 1 to 4, wherein the primary substrate is a twisted yarn or a braided yarn, and a temporary root of a juvenile is sandwiched and fixed between fibers of the yarn. Production method. 二次着生基質が板状であり、この二次着生基質に設けた固定部に一次着生基質を固定することを特徴とする請求項2から請求項4のいずれか1項記載の海藻種苗の生産方法。   The seaweed according to any one of claims 2 to 4, wherein the secondary substrate is plate-like, and the primary substrate is fixed to a fixing portion provided on the secondary substrate. Seedling production method.
JP2008284250A 2008-11-05 2008-11-05 Seaweed seedling production method Active JP4783884B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008284250A JP4783884B2 (en) 2008-11-05 2008-11-05 Seaweed seedling production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008284250A JP4783884B2 (en) 2008-11-05 2008-11-05 Seaweed seedling production method

Publications (2)

Publication Number Publication Date
JP2010110243A JP2010110243A (en) 2010-05-20
JP4783884B2 true JP4783884B2 (en) 2011-09-28

Family

ID=42299321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008284250A Active JP4783884B2 (en) 2008-11-05 2008-11-05 Seaweed seedling production method

Country Status (1)

Country Link
JP (1) JP4783884B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102450213B (en) * 2010-11-01 2013-04-17 南京中科水治理股份有限公司 Method for improving propagation survival rate of hydrilla verticillata
JP5852853B2 (en) * 2011-11-14 2016-02-03 日立造船株式会社 Poultry feed
JP7284964B2 (en) * 2019-04-24 2023-06-01 水作株式会社 Plant holding string and plant holding string assembly
CN117136833B (en) * 2023-08-18 2024-05-24 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) Sargassum periwinkle germplasm preservation method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3821877B2 (en) * 1996-04-03 2006-09-13 岡部株式会社 Method for supplying seaweed seedlings for formation and undersea forest
JP4398055B2 (en) * 2000-04-04 2010-01-13 岡部株式会社 Production method of seaweed seedling for seaweed development
JP3385271B2 (en) * 2000-12-15 2003-03-10 株式会社シャトー海洋調査 Seaweed bed creation method
JP2006129833A (en) * 2004-11-09 2006-05-25 Japan Science & Technology Agency Method for culturing sargassum

Also Published As

Publication number Publication date
JP2010110243A (en) 2010-05-20

Similar Documents

Publication Publication Date Title
CN1218626C (en) Improved process for cultivation of algae
CN102084837B (en) Sea cucumber seedling culture method
CN101675732B (en) Ecological treatment and seedling attaching method of shellfish attaching bases
CN103125415B (en) Artificial breeding method of tapes dorsatus
JP4783884B2 (en) Seaweed seedling production method
JP4711807B2 (en) Seaweed seedling production method
CN101049093A (en) Method for breed aquatics of oyster haplosomic at tidal flat and shallow sea in North Sea area
CN103004576A (en) Method for artificially cultivating Sargassum thunbergii in intertidal zones
CN101422128B (en) Separation and regeneration method of gulfweed protoplast
KR101755386B1 (en) Structure for culturing marine seeds
CN104488762A (en) Method for hybridizing different geographical colonies and rearing seeds of scapharca broughtonii
CN102077790B (en) Artificially breeding method for Lutraria maximae
CN101422127A (en) Gulf-weed sexual propagating and seedling rearing method
CN103355224A (en) Novel stichopus japonicus fry breeding method
KR101736609B1 (en) A photoreactor for culturing microalgae
CN1317944C (en) Wheel leaf black algae engineering seedling fast breeding method
CN108450378B (en) Construction method for breeding families of Schlegelia rex clams
CN102318572A (en) Artificial breeding method for Stichopus japonicus
CN102090357A (en) Factory culturing method for clam shells
CN101322477B (en) Method for artificially collecting and cultivating larva of intertidal belt sponge with embryo
JP3828359B2 (en) Seaweed culture method by agglomeration of spores and germination
JP2009038971A (en) Method for breeding seaweed
RU2548116C1 (en) Production of mytillus galloprovincialis mussel spat for growing in black sea
CN102812912A (en) Large-scale family juvenile crab soil pool culture method for eriocheir sinensis
JP2007049944A (en) Device for discriminating seaweed culturing method, and method for discriminating seaweed culture method using the same

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100216

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100915

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101020

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101209

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101214

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110608

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110608

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 4783884

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140722

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250