Evaluation of morphophysiological response of radish (Raphanus sativus L. ) to Pb and Ni in soil and aeroponic system

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Moridian Pirdosti Khadijeh; MOVAHEDI ZAHRA; ROSTAMI MAJID

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Journal: HORTICULTURAL PLANT NUTRITION Year:2020 | Volume:2 | Issue:2 Page(s): 208-225

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Title

Evaluation of morphophysiological response of radish (Raphanus sativus L. ) to Pb and Ni in soil and aeroponic system

Author(s)

Moridian Pirdosti Khadijeh | MOVAHEDI ZAHRA | ROSTAMI MAJID | Issue Writer Certificate

Keywords

Pb (NO3)2

Ni(NO3)2

Soilless culture

Biochemical response

Morphological traits

Abstract

Introduction: Heavy metal over-dosage is a predominant concern in soil pollution worldwide due to the high stability of these elements as well as their health side-effects on many organisms including humans. Heavy metals of the biosphere rise since the beginning industrial revolution and the toxicity of heavy metals cause to impair the process of germination and growth of plants(Smialowicz et al., 1984; Smialowicz et al., 1988). In this study, the effects of Pb (NO3)2, and Ni (NO3)2 on growth in radish in the aeroponic system and soil culture were investigated. Materials and methods: In this study, the effects of the different concentration of Pb (NO3)2 (0, 3 and 6 mg/L) and different concentration of Ni(NO3)2 (0, 3 and 6 mg/L) were investigated in the two independent experiments according to a completely randomized design (CRD) with three replication in soil culture and aeroponic system. In this experiment, after 30 days of plant growth in the aeroponic system and soil culture the traits including root length, shoot length, fresh weight of shoot, dry weight of shoot, fresh weight of root, dry weight of root, leaf number, catalase, peroxidase, proline, chlorophyll a, chlorophyll b, carotenoid, Ni in root and shoot (in the experiment of Ni(NO3)2) and Pb in root and shoot (in the experiment of Pb (NO3)2) were measured. Results and Discussion: The results of ANOVA in two experiments indicated a significant difference between different treatments at a level of 5% for most traits in soil culture and aeroponic system. The result indicated that with the increase in concentrations of Pb, leaf number, plant height, root length, fresh weight of shoot, dry weight of shoot, fresh weight of root, dry weight of root, chlorophyll a, chlorophyll b and carotenoid showed a downward trend while proline content, catalase, peroxidase, Pb content in root and Pb content in the shoot were increased. Increasing the concentration of Ni impairs the growth of root, shoot, fresh weight of shoot, dry weight of shoot, fresh weight of root, dry weight of root, chlorophyll a, chlorophyll b, and carotenoidof radish. Also, the result indicated that with the increase in concentrations of Ni, proline content, catalase, peroxidase, Ni content in the root, and Ni content in the shoot were increased in aeroponic system and soil culture. Conclusion: In general, the results of this study showed that Ni and Pb may give to plants allows growth, but increased in their concentration impaired some growth indices of radish. This study has examined Pb (NO3)2 and Ni(NO3)2 effects on radish performance in an aeroponic system for the first time. The aeroponic method can be used in studies related to mineral nutrition, the study of water efficiency, the study of nitrification, plant disease studies, the examination of materials released by plants, the examination of temperature effect, selection of mutant roots, plant organ and tissue culture, and the study of gravitation effects on plant growth. The system is suggested in the studies of the effects of nutritive elements on root growth where the direct effects of elements on roots can be monitored in a controlled environment.

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APA: Copy

Moridian Pirdosti, Khadijeh, MOVAHEDI, ZAHRA, & ROSTAMI, MAJID. (2020). Evaluation of morphophysiological response of radish (Raphanus sativus L. ) to Pb and Ni in soil and aeroponic system. HORTICULTURAL PLANT NUTRITION, 2(2 ), 208-225. SID. https://sid.ir/paper/378475/en

Vancouver: Copy

Moridian Pirdosti Khadijeh, MOVAHEDI ZAHRA, ROSTAMI MAJID. Evaluation of morphophysiological response of radish (Raphanus sativus L. ) to Pb and Ni in soil and aeroponic system. HORTICULTURAL PLANT NUTRITION[Internet]. 2020;2(2 ):208-225. Available from: https://sid.ir/paper/378475/en

IEEE: Copy

Khadijeh Moridian Pirdosti, ZAHRA MOVAHEDI, and MAJID ROSTAMI, “Evaluation of morphophysiological response of radish (Raphanus sativus L. ) to Pb and Ni in soil and aeroponic system,” HORTICULTURAL PLANT NUTRITION, vol. 2, no. 2 , pp. 208–225, 2020, [Online]. Available: https://sid.ir/paper/378475/en

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