Effect of different concentration of exogenous proline applications on cadmium accumulation and mineral nutrition (K, Mg, Na and Ca) of common wheat (Triticum aestivum)

Yıl 2021, Cilt: 30 Sayı: 2, 86 - 91, 15.12.2021

Tuncer Okan Genç

https://doi.org/10.38042/biotechstudies.982144

Öz

The present study investigates the role of exogenously applied proline on cadmium (Cd) accumulation in common wheat (Triticum aestivum L.) tissues. Seedlings were subjected for 4 days to different exogenous proline levels (0, 1, 10, and 20 mM) under Cd stress (1000 μM of Cd(NO3)2·4H2O). The concentration of Cd, Ca, Mg, and K was determined by inductively coupled plasma optical emission spectrometry (ICP-OES). Exogenous proline caused significant changes in the growth of wheat cultivar under Cd stress. In addition, the growth of wheat under Cd stress increased by the addition of 1 mM proline. According to the analysis results, Cd accumulation in wheat seedlings showed that the increment of exogenous proline treatments (except Cd+Pr1) in the water resulted in a decrease of Cd content in roots and shoots. Under Cd treatment (not applied proline), the contents of Ca, K, Mg, and Na decreased in roots by 22.1, 70, 17.7, and 10.1% and in shoots by 29.6, 32.2, 19.1, and 5.3%, respectively. Nevertheless, K content decreased in roots and shoots under all Cd and exogenous proline treatments.

Anahtar Kelimeler

Proline, Cadmium, Mineral nutrition, Triticum aestivum

Kaynakça

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