Table 1. The initial root collar diameter and height of two deciduous hardwood species seedlings before refrigerated storage treatment.

Species	Stock type	Root collar diameter (mm)	Height (cm)
Q. variabilis	Bare-root	4.2±0.5	31.3±6.9
	Container	3.9±0.2	34.9±4.7
Z. serrata	Bare-root	4.1±0.6	44.3±7.3
	Container	4.3±0.4	48.3±5.4