Fig 1 -

(A) Germination rate of P. hexandrum seeds at different stratification stages; (B) half germination time of P.hexandrum seeds at different stratification stages; (C) clustering results from the seed germination rate at different stratification stages; (D) water absorption curve of P. hexandrum seeds at different stratification stages. Note: Different lowercase letters indicate significant differences between groups at p< 0.05.