Fig 1. Morphological characteristics and physiological indexes of winter rapeseed seedling under cold stress and room tempareture condition.

(A) Morphological characteristics of NS and NF; (B) Physiological indexes of NS and NF under cold stress and room tempareture. Error bars denote standard error of the mean. Significant differences between various treatments at p ≤ 0.05 are denoted by a various lowercase.