Open pollinated "Bird" pears were collected from Chuo-lan, Da-hu and San-wan for a series of experiments. The experiments were to be conducted by the order of (1) to survey fruit characters, (2) to conduct seed germination experiment, (3) to survey and assess the growth and the development of the seedling, (4) to evaluate the stability and relationship between plant height and other plant traits within three years, (5) to select the seedlings with dwarf characters, and (6) to establish dwarfing selection model of ‘Bird’ pear.
