Nitrogen deprivation induces changes in the leaf elongation zone of maize seedlings

V. R. Tóth, I. Mészáros, S. J. Palmer, Sz Veres, I. Précsényi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The influence of nitrogen deprivation on leaf development and the biomechanics of leaf growth were studied using maize (Zea mays L.) seedlings grown under low irradiance. Although the nitrogen deprivation had no significant effect on photosynthesis, the leaf length, the leaf area, and the total assimilation area of plants decreased. The mature size of the epidermal cells was not altered, while the cells of nitrogen-deprived plants reached their final length closer to the leaf base than the epidermal cells of control plants. Decreases in the length of the growing zone (from 50 to 30 mm) and in the maximum value of relative elemental growth rate (from 0.08 to 0.06 mm mm-1 h-1) were observed in the nitrogen deprived plants. The maximal value of growth velocity in the control treatment was higher along the elongation zone, except for the basal 20 mm, where there was no significant difference between the control and the N-deprived plants. The net deposition rates of water and dry matter were also affected by nitrogen deprivation: the values of these features decreased and the spatial position of the maximum of the deposition rates shifted towards the leaf base.

Original languageEnglish
Pages (from-to)241-247
Number of pages7
JournalBiologia Plantarum
Volume45
Issue number2
DOIs
Publication statusPublished - 2002

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corn
seedlings
nitrogen
leaves
leaf development
cells
assimilation (physiology)
leaf area
Zea mays
photosynthesis
water

Keywords

  • Epidermal cell size
  • Maize leaf growth
  • Photosynthesis
  • Relative elemental growth rate
  • Zea mays

ASJC Scopus subject areas

  • Plant Science

Cite this

Nitrogen deprivation induces changes in the leaf elongation zone of maize seedlings. / Tóth, V. R.; Mészáros, I.; Palmer, S. J.; Veres, Sz; Précsényi, I.

In: Biologia Plantarum, Vol. 45, No. 2, 2002, p. 241-247.

Research output: Contribution to journalArticle

Tóth, V. R. ; Mészáros, I. ; Palmer, S. J. ; Veres, Sz ; Précsényi, I. / Nitrogen deprivation induces changes in the leaf elongation zone of maize seedlings. In: Biologia Plantarum. 2002 ; Vol. 45, No. 2. pp. 241-247.
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