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A NOTE ON THE EFFECT OF THE SHOOT AND ROOT APEX ON SECONDARY THICKENING IN PEA RADICLES
Author(s) -
DIGBY JOHN,
WANGERMANN ELISABETH
Publication year - 1965
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1965.tb05385.x
Subject(s) - auxin , radicle , apex (geometry) , shoot , thickening , biology , botany , coleoptile , chemistry , germination , biochemistry , polymer science , gene
S ummary The effects of excision of the root or shoot apices of young pea seedlings and of their replacement with auxin paste, suggest that, (i) cambial activity in the root is stimulated by auxin coming from the shoot; and (ii) auxin from the root apex either does not travel to the older parts of the root or has no effect on cambial activity.