To easily adjust and fix a width of an opening portion of a storage portion in which a seed shell is accommodated, it is possible to simplify a manufacturing process, excel in productivity, reduce cost, Which is easy to install and dismount, and which is excellent in handling property, and a seed laid for a laver breeding.SOLUTION: The seed laundering bag 10 has an accommodating portion 16 in which an opening portion 15 is formed at the upper end side to accommodate the seeds, and an opening portion 15 provided at the periphery of the opening portion 15 and opened on both sides as viewed from the front A shape retaining member insertion portion 19 having a shape retaining member insertion hole 20, a shape retaining material 21 which is flexible and holds the shape of the opening portion 15 in an oval shape by being passed through the shape retaining material insertion portion 19, And a binding band 25 penetrating in the thickness direction of the accommodating portion 16 and bundled outside of the accommodating portion 16 to adjust the width in the minor axis direction of the opening portion 15 to fix. The seed laquillage seeding structure has a structure in which a plurality of laver farming seeding bags 10 are connected at intervals in the longitudinal direction of the attachment cord having attachment strings stretched under the laver net .BACKGROUND OF THE INVENTION【課題】種貝が収容される収容部の開口部の幅を簡単に調整して固定することができ、製造工程が簡素で生産性に優れ、低コスト化を図ることができ、海苔網への着脱作業も容易で、取り扱い性に優れる海苔養殖用種付け袋及び海苔養殖用種付け構造体を提供する。【解決手段】海苔養殖用種付け袋10は、上端側に開口部15が形成され種貝が収容される収容部16と、開口部15の周縁に設けられ正面視して両側に開口した挿入口20を有する保形材挿通部19と、可撓性を有し保形材挿通部19に挿通されて開口部15の形状を長円形に保持する保形材21と、保形材21の下方を収容部16の厚さ方向に貫通し収容部16の外部で結束されて開口部15の短径方向の幅を調整して固定する結束バンド25とを有する。海苔養殖用種付け構造体は、海苔網の下方に張設される取付紐を有し、取付紐の長手方向に間隔を空けて複数の海苔養殖用種付け袋10が連結された構成となっている。【選択図】図1
