実生法によるチューリップの育種学的研究 : 育種方法とその問題点

In this study the author has endevored to make up a general method of breeding by the seedling method for the reproductive, horticultural crop plant.
The practical experience of the author as the tulip breeder, and his observations as well as his studies of operations on many tulip breeding are reflected in the paper.
Special effort has been made to place adequate emphasis on the importance of the "Juvenile Phase" and the "Flowering Phase" of tulip seedlings for profitable operation under breeding conditions.
The views of the science of breeding devote equal attention to the speciality of horticultural crop breeding too.