Characterization of phytosiderophore secretion under Fe deficiency stress in Festuca rubra

Jian Feng Ma, Hirohito Ueno, Daise Ueno, Adamo Domenico Rombolà, Takashi Iwashita

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

In the present study we investigated the response to iron (Fe) deficiency in two cultivars of Festuca rubra L. (Rubina and Barnica) used in correction of chlorosis of fruit trees cultivated on calcareous soils. We found that a Fe-chelating compound, identified as 2′-deoxymugineic acid (DMA), was secreted from the roots in response to Fe-deficiency in both cultivars. The amount of DMA secreted into solution increased with the development of Fe-deficiency. The secretion showed a distinct diurnal rhythm characterized by a secretion peak at between 2 and 5 hours after sunrise at 20°C. However, this secretion peak was delayed by 3 hour at low temperature (

Original languageEnglish
Pages (from-to)131-137
Number of pages7
JournalPlant and Soil
Volume256
Issue number1
DOIs
Publication statusPublished - Sep 2003
Externally publishedYes

Fingerprint

phytosiderophores
Festuca rubra
secretion
cultivar
acids
acid
calcareous soil
cultivars
calcareous soils
chlorosis
fruit trees
circadian rhythm
iron
temperature

Keywords

  • Diurnal secretion
  • Festuca rubra
  • Iron chlorosis
  • Phytosiderophore
  • Re-greening effect
  • Temperature

ASJC Scopus subject areas

  • Soil Science
  • Agronomy and Crop Science
  • Plant Science

Cite this

Characterization of phytosiderophore secretion under Fe deficiency stress in Festuca rubra. / Ma, Jian Feng; Ueno, Hirohito; Ueno, Daise; Rombolà, Adamo Domenico; Iwashita, Takashi.

In: Plant and Soil, Vol. 256, No. 1, 09.2003, p. 131-137.

Research output: Contribution to journalArticle

Ma, Jian Feng ; Ueno, Hirohito ; Ueno, Daise ; Rombolà, Adamo Domenico ; Iwashita, Takashi. / Characterization of phytosiderophore secretion under Fe deficiency stress in Festuca rubra. In: Plant and Soil. 2003 ; Vol. 256, No. 1. pp. 131-137.
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