With specific traits that fir crown form to growth in semi-spherical without stem core to start, following tree growth method of the specific trait fir

摘要

PROBLEM TO BE SOLVED: To provide a specific character Abies sachalinensis obtained by the change of a new variety 'Hokuriniku No.1' (Registeration No.4169 in the Agricultural Seedling Law) of 'Abies sachalinensis' a conifer in Pinaceae, Abies into a seeding having a different grown tree crown shape in its grafting proliferation process, and to provide a method for the grafting proliferation of the specific character Abies sachalinensis. SOLUTION: This specific character Abies sachalinensis 1 which does not have a truck standing in the center and whose crown grows in a semi-spherical shape is characterized by using an about 10 to 15 cm biennial or triennial seedling of Abies sachalinensis as a stock, grafting Abies sachalinensis Hokuriniku No.1 as a scion to the 8 to 13 high grafting site 5 of the stock, and then raising the taken grafted seedling for one or more years to obtain the tree shape which does not have the trunk standing in the center, wholly comprises branches and is semi-spherical. The method for the grafting proliferation of the Abies sachalinensis.