Effects of Chromium on Anatomical Characteristics of Bread Wheat (Triticum aestivum L. cv. “Ekiz”)

Year 2018, Volume: 13 Issue: 1, 27 - 32, 30.03.2018

Tulay Aytas Akcin Adnan Akcin Cengiz Yildirim

Abstract

Heavy metal toxicity is one of the important abiotic stresses. When a
few metals such as copper, manganase, cobalt, zinc and chromium are present at
excessive levels, they have potential to become toxic to plants. In the study,
the important anatomical changes caused by chromium (Cr) in Triticum aestivum cv. “Ekiz” were investigated. For this aim,
plants were treated with 0.3 and 0.4 mmol Cr for 21 days. Microscopic studies
showed that Cr accumulated mainly in the roots of the metal-treated plants. The stems of Cr-treated plants showed an increase
in diameter of parenchyma cells and a decrease in thickness of sclerenchyma. In
the leaves of plants exposed to Cr treatment, the thickness of phloem, xylem
and mesophyll tissue was decreased compared with control plants. The anatomical
changes in the root, stem and leaves of Cr- treated plants indicated that Cr
has an important impact on Triticum
aestivum cv. “Ekiz”.

Keywords

Anatomy, bread wheat, chromium

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