In the transplanting process of Dioscorea bulbifera virus-free plantlets, the pore closure rate reached the highest on 5th day, from then on the pores resumed closure function gradually.

• 黄独脱毒苗在移栽的过程中，气孔关闭率在第5天时达到最高，以后气孔逐渐恢复关闭功能。