Temporal water deficit and wood formation in Cryptomeria japonica

Hisashi Abe, Takahisa Nakai, Yasuhiro Utsumi, Akira Kagawa

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Cell behavior in the cambium and developing xylem of 3-year-old Japanese cedar (Cryptomeria japonica D. Don.) trees, during and after an 11-day suspension of irrigation, was analyzed. Leaf xylem pressure potential and tangential strain of the stem surface were monitored throughout the experiment. Anatomical features and numbers of developing tracheids and cambial cells were observed in four trees, sampled on Days 0, 4, 8 and 11 after irrigation was suspended. Daytime xylem pressure potential decreased to -1.9 MPa on Day 7 and remained the same until irrigation was resumed on Day 11. The transverse dimensions of the tracheids, which began to form secondary walls, began to decrease on Day 4. The number of cells in the cambial zone and cell expansion zone decreased abruptly on Day 8. Tangentially aligned developing tracheids with collapsed cell walls were observed in samples harvested on Days 8 and 11. Secondary wall formation was recognized in these tracheids. After the resumption of irrigation, xylem pressure potential recovered rapidly to the same value as before the suspension of irrigation. Tangential strain increased within 30 min after the resumption of irrigation, and continued to increase until the onset of light the next day. Eighteen days after the resumption of irrigation, anatomical features of cells in the cambium and cell-expansion zone were similar to those observed before suspension of irrigation.

Original languageEnglish
Pages (from-to)859-863
Number of pages5
JournalTree physiology
Volume23
Issue number12
DOIs
Publication statusPublished - Aug 2003

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Cryptomeria
Cryptomeria japonica
Xylem
irrigation
Cambium
tracheids
Water
Suspensions
xylem
Pressure
water
cambium
cells
Cell Wall
Cell Count
Light
cell walls
stems

All Science Journal Classification (ASJC) codes

  • Physiology
  • Plant Science

Cite this

Temporal water deficit and wood formation in Cryptomeria japonica. / Abe, Hisashi; Nakai, Takahisa; Utsumi, Yasuhiro; Kagawa, Akira.

In: Tree physiology, Vol. 23, No. 12, 08.2003, p. 859-863.

Research output: Contribution to journalArticle

Abe, Hisashi ; Nakai, Takahisa ; Utsumi, Yasuhiro ; Kagawa, Akira. / Temporal water deficit and wood formation in Cryptomeria japonica. In: Tree physiology. 2003 ; Vol. 23, No. 12. pp. 859-863.
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