Abstract:The effect of zinc on seed germination in two species of the Echium genus (Echium russicum J.F. Gmelin and Echium vulgare L.) was investigated. Zinc was used as sulphate in three different concentrations: 100 mg∕ l; 200 mg ∕ l și 300 mg ∕ l; the treatment was applied to the seeds before germination, the exposure time being short (4 hours and 8 hours). Seed germination was monitored daily for a period of 14 days. The effect of treatment on seed germination in the test species was assessed by calculating four ge… Show more
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