STUDIES ON THE INFLUENCE OF HEAVY METALS COPPER AND CADMIUM ON THE DYNAMICS OF PLANT GROWTH AND DEVELOPMENT OF BELL PEPPER (CAPSICUM ANNUUM L.) VARIETY DARIANA BAC
Gabriel-Alin Iosob, Tina Oana Cristea, Maria Prisecaru
Pagini: 120-126
Publicat: 12 Sep 2020
Vizualizări: 1,782
Descărcări: 146
Rezumat: Pepper plants (Capsicum annuum L.) variety Dariana Bac, patented by Vegetable Research and Development Station Bacău, were grown on peat substrate soil contaminated with different concentrations of Copper (20, 100, 250, 500 mg/kg soil) and Cadmium (1, 3, 5, 10 mg/kg soil). After approximately nine weeks the dynamic of plant growth and development was measured. The total length of a plant (cm), stem length (cm) and root lenght (cm), number of leaves per plant, fresh and dry weight of a plant (g) and dry matter (%). The variety of bell pepper Dariana Bac responded differently to different concentrations of the studied heavy metals. The maximum average of plant and root length was registered on control (30,43 cm respectively 10 cm). The average number of leaves per plant did not differ significantly in any of the variants studied. However, the average fresh weight of a plant decreases with increasing the concentration of heavy metals in the soil, especially in case of the soil treated with Cd in comparison with control. As for the average dry weight of a plant it does not vary depending on the concentration of heavy metals like in case of fresh weight. V9 (0,122 g) variant treated with 10 mg Cd / kg soil has the lowest dry weight value compared with all tested variants.
Cuvinte cheie: pepper plants, capsicum annuum l., dynamic of plant growth, heavy metals, copper and cadmium
Citează acest articol: Gabriel-Alin Iosob, Tina Oana Cristea, Maria Prisecaru. STUDIES ON THE INFLUENCE OF HEAVY METALS COPPER AND CADMIUM ON THE DYNAMICS OF PLANT GROWTH AND DEVELOPMENT OF BELL PEPPER (CAPSICUM ANNUUM L.) VARIETY DARIANA BAC. Journal of International Scientific Publications: Agriculture & Food 8, 120-126 (2020). https://www.scientific-publications.net/en/article/1002022/
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