引言 Bradford梨是近年来美国许多地区用实生繁殖供人们观赏的风景树。其幼树生长健壮,中等大小,紧凑,呈金字塔形,随树龄增大变成阔卵圆形,生产上一般用中国豆梨作基砧繁殖梨苗。嫩枝扦插繁殖有两方面的好处:一是‘Bradford’梨芽接具有不亲合性,此外,嫩枝扦插可以降低生产成本。 Introduction Bradford pears are scenic trees that people use to reproduce in real life in many parts of the United States in recent years. Its saplings grow robust, medium size, compact, pyramid-shaped, with the age becomes large oval-shaped, production in general use Chinese pear as a base for breeding pear seedlings. Softwood cutting propagation has two benefits: First, ’Bradford’ pear bud with non-affinity, in addition, softwood cutting can reduce production costs.