Traumatic Gum-Resin Cavities in the Stem of Ailanthus Excelsa Roxb.

@inproceedings{Babu1987TraumaticGC,
  title={Traumatic Gum-Resin Cavities in the Stem of Ailanthus Excelsa Roxb.},
  author={A. M. Babu and G. M. Nair and J. J. Shah},
  year={1987}
}
Traumatic gum-resin cavities develop in the secondary xylem of the stem of Ailanthus excelsa Roxb. in response to fungal infection and ethephon treatment. After infection or ethephon treatment, traumatic parenchyma in several cell layers develops instead of normal secondary xylem elements. It consists of unlignified axial and ray parenchyma cells. Vessels and fibres are absent. Gum-resin cavities in one or two tangential rows develop in this tissue by the lysis of its axial parenchyma cells… CONTINUE READING