Cd concentration of durum wheat grain as influenced by soil salinity

Year 2019, , 97 - 100, 01.06.2019

Faruk Özkutlu , Şevket Metin Kara

https://doi.org/10.29278/azd.593833

Cited By: 7

Abstract

Cadmium (Cd)
accumulation in plant tissues has recently gained a worldwide-growing concern
due to food safety and health care. Soil salinity is an important causal agent
influencing Cd accumulation in cereal grains and durum wheat is known as the
most sensitive to Cd toxicity among cereals. This research is aimed at
evaluating influence of soil salinity on cadmium accumulation in durum wheat
grain. Influence of NaCl doses (0, 200 and 1000 mg kg^-1) on Cd
concentration in durum wheat grain (Triticum
turgidum L. durum) grown in soils
treated with Cd (0 and 1.0 mg kg^-1) was established. Grain Cd
concentration in control plants (without Cd and NaCl) was 21 µg kg^-1,
while 200 and 1000 mg kg^-1 NaCl doses resulted in 60 and 75 µg kg^-1
Cd with 300% and 400% increase, respectively. Grain Cd concentration in
Cd-treated soil arose from 1325 µg kg^-1 in the control plants to
1778 and 2411 µg kg^-1 in the plants exposed to 200 and 1000 mg kg^-1
NaCl, respectively. The present study reveals that soil salinity increases Cd
accumulation in grain even if soil Cd level is very low. Further, cadmium is
transported to grain easily and soil salinity enhances such carriage in
Cd-contaminated soils.

Keywords

Cadmium, heavy metal, NaCl salinity, salt, Triticum turgidum L.

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