Periodic root and shoot growth in oak

P. B. Reich, R. O. Teskey, P. S. Johnson, T. M. Hinckley

Research output: Contribution to journalArticlepeer-review

96 Scopus citations

Abstract

The number of growth flushes per growing season, the length of rest periods between flushes, and the relationship between shoot and root growth were evaluated in oak seedlings (Quercus alba, Q. marilandica), trees (Q. alba), and stump sprouts (Q. alba, Q. velutina). In both seedlings and trees, root growth was reduced during shoot growth. Under constant environmentalc onditions,s eedlingsu nderwenta serieso f very synchronousf lusheso f leaf and shoot growth and these flushes were separated by distinctive rest periods. It was only while leaves and shoots were not growing that root growth occurred to any appreciable extent. Under field conditions, flushes of growth were still observed in stump sprouts, but were no longer synchronous. In understory seedlings and in large trees, only one flush was observed.

Original languageEnglish (US)
Pages (from-to)590-598
Number of pages9
JournalForest Science
Volume26
Issue number4
DOIs
StatePublished - Dec 1 1980
Externally publishedYes

Keywords

  • Quercus alba
  • Quercus marilandica
  • Quercus velutina
  • Water stress

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