No difference was found on the adventitious bud regeneration rates whether upper surfaces or lower surfaces of the leaves were touching the medium, but healthy calluses were generated from the latter.

• 叶块以近轴面或远轴面接触培养基的接种方式对不定芽再生影响不大，不过叶片远轴面贴近培养基接种，产生的愈伤组织状态较好；