Fig. 4From: Changes in the physiological activity of parenchyma cells in Dalbergia odorifera xylem and its relationship with heartwood formationStatistics of morphological indicators of nuclei in different parts of the xylem. A: the variation in length of nuclei; B: the variation in number of nuclei; C: the variation in width of nuclei; D shows the variation in length to diameter ratio of nuclei. The results are only from ray parenchymaBack to article page