The growth, anatomy and biochemistry of four compact-type pear selections, S1, S6, S4and S5 were studied and compared with the stan-dard-type selection 141.

• 以乔化普通型梨单系‘141’为对照；对紧凑型梨单系S_1、S_6、S_4和S_5的生长、解剖和生化特性进行了研究。 发现四年生的S_1和S_6树高只有111.；2厘米和129