PROBLEM TO BE SOLVED: To provide a cultivation method of a large-sized watermelon in which the number of seedlings to be cultivated per unit area can be increased, and burden of workers in trimming vines, fruit thinning, and harvesting is lightened.SOLUTION: Seedlings 9 of large-sized watermelon are fixedly planted into cultivation soil 8, vines 4 extended from the seedlings are attracted to attraction members 3 stretched between the cultivation soil and a beam member 2 to make them grow upward, by which the vines are prevented from interfering with each other.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】単位面積当たりの栽培本数を増加させることが出来るとともに、ツルの剪定、摘果、及び収穫における作業者の負担を軽減させる大型西瓜の栽培方法を提供する。【解決手段】大型西瓜の苗9を栽培土壌8に定植し、苗から伸びたツル4を栽培土壌と梁部材2の間に架渡した誘引部材3に誘引して上方に成長させることにより、ツルが相互に干渉することを防止する。【選択図】図1