Open AccessThe structure of the endodermis during the development of pea (Pisum sativum L.) roots
Author(s) -
Joanna Kopcińska,
W. Golinowski
Publication year - 2014
Publication title -
acta societatis botanicorum poloniae
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 29
eISSN - 2083-9480
pISSN - 0001-6977
DOI - 10.5586/asbp.1987.002
Subject(s) - endodermis , suberin , phloem , cell wall , pisum , botany , biology , secondary cell wall
It is shown on the basis of cytological studies that during the development of the pea root endodermis, the following structures were formed (in order of appearance): proendodermis, Casparian strips, suberin lamellae and secondary cell walls. The proendodermis cells had, in addition to the commonly occurring cell components, small vacuoles filled with phenols. The Casparian strips developed in the radial walls and accounted for no more than 1/3 of their length. The suberin layer, found on all of the endodermis walls, was deposited last over the Casparian strips. The secondary cell wall was formed only in the cells located over the phloem bundles. Its thickness was uniform over the entire circumference of the cell