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Locating water‐soluble vital stains in plant tissues by freeze‐substitution and resin‐embedding
Author(s) -
Canny M. J.,
McCully M. E.
Publication year - 1986
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.1986.tb02737.x
Subject(s) - apoplast , transpiration , transpiration stream , botany , protoplasm , chemistry , substitution (logic) , water repellent , biophysics , biology , materials science , photosynthesis , biochemistry , computer science , composite material , cytoplasm , programming language , cell wall
SUMMARY Vital stains, moving in the transpiration stream in leaf apoplast, may be kept in place through freezing, freeze‐substitution, embedding and sectioning, to reveal their position in the living plant. This technique has been used to study the details of movement of water out of the veins of leaves, and has wide application in histochemistry with water‐labile dyes, and for following dye movements in protoplasm. Patterns of water movement in the leaf of Zea mays L. are presented as an example.