PROBLEM TO BE SOLVED: To provide a seedling-raising container that allows a plant mat to be produced such that the plant mat makes plants harder to wither after transplantation, and is particularly suitable for the production of a heterogeneous plant mat.SOLUTION: According to the present invention, there is provided a seedling-raising container that comprises: a bottom surface 11 in which a concave streak portion 111 and a convex streak portion 112 extend in the first direction and are successively formed one after the other and a side wall 12 surrounding the bottom surface 11. The total area (S1) of the bottom surface is 1.2 times or more and 2.0 times or less the cross-sectional area (S0) thereof in the horizontal direction. The recess 111 has a drain hole 113. The convex streak portion 112 has a ventilation hole 114.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】移植後に枯れにくい植物マットを生産することができ、特に、異種植物マットの生産に適した育苗容器を提供する。【解決手段】第一の方向に伸びる凹条部111と凸条部112とが交互に連続する底面11と、前記底面11を取り囲む側壁12を有し、前記底面の総面積(S1)が、水平方向における断面積(S0)の1.2倍以上2.0倍以下であり、前記凹条部111が排水用穴113、前記凸条部112が換気用穴114を備える育苗容器。【選択図】図1
