[problem] hand is to provide a tomato main branch for securement device that can be easily attached to without touching the main branch. SOLUTION A fixation device A for the main branch for fixing the main branch of tomatoes strut formed of a material that is resilient and mainly internally has the shape of a letter C- a main branch receiving portion for mounting the branches D, and extending from the main branch receiving portion 2 of the instrument foot (A-2), the string attachment portion provided on the respective tips of the feet of the two instruments and (A-1) provided. Install the mounting fixture A tomato main branch in necessary portions of the main branch D, and the foot A-2, which is provided on the mounting fixture A are connected by string B, by connecting the tip of the string B to strut C, and hand there is no touching the main branch in the like, there is no letting dropped balance the humor and bud.BACKGROUND 1【課題】手先が主枝に触れることなく簡単に取り付けることが出来るトマト主枝用固定器具を提供する。【解決手段】トマトの主枝を支柱に固定するための主枝用固定器具Aであって、弾力性のある材質で構成される、Cの字の形状を有し内部に主枝Dを取り付ける主枝収容部分と、主枝収容部分から延びる2つの器具の足(A-2)と、2つの器具の足のそれぞれの先端に設けた紐取付部(A-1)とを備える。トマト主枝用固定器具Aを主枝Dの必要箇所に取り付け、その固定器具Aに設けてある足A-2とを紐Bで結び、その紐Bの先端を支柱Cに結ぶことにより、手先等で主枝に触れることが無くなり、房や蕾みをを散落させることが無くなる。【選択図】図1