The results showed among the regrowth traits after fall defoliation, regrowth plants height was not correlative observably with coldhardiness since the correlative coefficient of them was just -0.389.

结果表明，刈割后的生形态指标中，被其他研究者用来测定眠的生长高度与抗寒的相不高，相仅为-0.389。