Microcuttings of Kennebec potato from in vitro cultures when rooted in growing media containing different percentage of perlite, vermiculite and peat had very high rate of survival.

• 摘要克难种马铃薯组织培养瓶苗使用真珠石，蛭石和泥炭土三种材料单独或混合作扦插介质，其成活率均高。