PREPARATION OF STRONG SEEDLING FREE FROM DISEASE

摘要

PROBLEM TO BE SOLVED: To provide a method for preparing strong seedlings free from diseases by facilitating rooting. SOLUTION: This method for preparing strong seedlings free from diseases comprises fixing inserting ear 3 into a floating plate 1, floating the inserting ear 3 onto water or a culture solution 5 to promote rooting and moving the ear 3 onto culture soil 6 at the initial stage of rooting, draining water in proper period in which callus is formed, holding the ear 3 in such extent as that the tip of the inserting ear 3 brings into contact with culture soil 6 or sticks to the culture soil 6 and retaining proper water content in the tip of the inserting ear 3 to promote rooting.