Production method of seedlings of Cunninghamia and production method of Cunninghamia

摘要

PROBLEM TO BE SOLVED: To provide a method for producing seedlings of a plant of the genus Cunninghamia, which can secure a sufficient amount for use in forestry. SOLUTION: A mother tree of a plant of the genus Koyozan is cut to obtain a plurality of cuttings 11, a plurality of cuttings 11 are inserted into a cutting bed and rooted and cultured, and a rooted and cultured cuttings 11 are obtained. Raising seedlings to generate sprout branches 21 and 31, selecting only one sprout branch 21 generated from the ground among the sprout branches 21 and 31, and cutting the cuttings 11 and other sprout branches 31. , And extending the selected sprout branch 21, a method for producing a seedling of a plant of the genus Koyozan. [Selection diagram] Fig. 3