highly significantp ≤ 0.1
Additionally, under both cold stress and BR-combined cold treatment, all of the SSL, SRL, SDW, and SWW showed highly significant positive correlations with r = 0.19 ( p ≤ 0.1), r = 0.19 ( p ≤ 0.1), r = 0.43 ( p ≤ 0.01), and r = 0.76 ( p ≤ 0.01), respectively.