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The Influence of Some Heavy Metals on Medicago Sativa Seed Germination and Seedling Growth

Year: 2008

Type: article

Abstract: The paper presents the results of a study concerning the influence of high\nconcentrations of lead (Pb), nickel (Ni), and cadmium (Cd) on some physiological, biochemical\nand morphological indicators in the dynamics of the process of seed germination and in the\nincipient phases of seedling growth of Medicago sativa.\nThe results underline the specific variations of the analysed indicators (water and dry\nmatter content, total mineral elements content, activities of some oxydoreductase enzymes,\ncontent of assimilating pigments, lengths of radicle), determined by the nature of metals and their\nconcentrations used for the treatment of the studied seeds.\nRegardless of the concentration, Ni, Pb, and Cd determine the intensification of the\nactivity of superoxidedismutase, an indicator enzime of the stress state. Ni, in concentrations of\n50ppm and 300ppm, determines the deminishing of the asimilating pigments content, the\ninhibation of the seeds germination as well as the growth of the length of radicle.

Source: DOAJ (DOAJ: Directory of Open Access Journals)

Authors: Oleanu Zenovia, Anisoara Stratu, Alexandrina Murariu, Naela Costica

Language: English

Topic: Plant Stress Responses and Tolerance

Subfield: Plant Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: green

OpenAlex ID: W2184705877

FWCI:

Cites: 6

Cited by:

Related to: 10