Uptake of 15 trace elements in arbuscular mycorrhizal marigold Measured by the multitracer technique

Hiroyuki Suzuk, Hiroshi Kumagai, Kunio Oohashi, Kazunori Sakamoto, Kazuyuki Inubushi, Shuichi Enomoto, Fumitoshi Ambe

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The effect of arbuscular mycorrhizal (AM) colonization on the uptake of trace elements in marigold (Tagetes patula L.) was studied using a multitracer consisting of radionuclides of 7Be, 22Na, 46Sc, 51Cr, 54Mn, 59Fe, 56Co, 65Zn, 74As, 75Se, 83Rb, 85Sr, 88Y, 88Zr, and 95mTc. Marigold plants were grown under controlled environmental conditions in sand culture either without mycorrhizas or in association with an AM fungus, Glomus etunicatum. The multitracer was applied to the pot, and plants were harvested at 7 and 21 d after tracer application. We found that the uptake of 7Be, 22Na, 51Cr, 59Fe, 65Zn, and 95mTc was higher in the mycorrhizal marigolds than in the non-mycorrhizal ones, while that of 46Sc, 56Co, 83Rb, and 85Sr was lower in the mycorrhizal marigolds than in the non-mycorrhizal ones. Thus, the multitracer technique enabled to analyze the uptake of various elements by plant simultaneously. It is suggested that this technique could be used to analyze the effects of AM colonization on the uptake of trace elements by plant.

Original languageEnglish
Pages (from-to)283-289
Number of pages7
JournalSoil Science and Plant Nutrition
Volume46
Issue number2
DOIs
Publication statusPublished - Jun 2000

Keywords

  • Arbuscular mycorrhizal fungi
  • Glomus etunicatum
  • Marigold
  • Radioactive multitracer
  • Trace elements

ASJC Scopus subject areas

  • Soil Science
  • Plant Science

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