PRODUCTION OF NURSERY STOCK OF PEAR TREE

摘要

PURPOSE:To enable mass production of nursery stocks of a pear tree with a strain stock excellent in resistances to drying, water and freezing. CONSTITUTION:Malus prunifolia var. ringo obtained by nutrient reproduction is used as a stock and a strain having affinity for grafting onto the Malus prunifolia var. ringo in cultivars in which grafting characteristics are newly found by this inventor, i.e., respective seedling strains of Pyrus betulaefolia, Pyrus communis, Pyrus fauriei, Pyrus serotina or Pyrus calleryana is used as an intermediate stock to carry out double grafting using an optional cultivar of a pear tree as a scion.