THE INFLUENCE OF CADMIUM ON SEED GERMINATION AND SEEDLINGS GROWTH OF DIANTHUS BARBATUS L. AND D. CHINENSIS L. SPECIES
Journal Title: Analele Stiintifice ale Universitatii Alexandru Ioan Cuza din Iasi, Serie noua, Sectiunea II a. Biologie vegetala - Year 2015, Vol 61, Issue 1
Abstract
The paper presents the results of a study regarding the influence of treatment with cadmium in different concentrations (2 mg∕l, 6 mg ∕l, 10mg/l) on seed germination and growth in early ontogenetic stages of Dianthus barbatus L. and D. chinensis L. The following indicators were analyzed: the percentage of germinated seeds, the length of the root, the length of the hypocotyl, the length of the seedling, the tolerance index. The results underline the specific variations of analysed indicators, depending on the concentrations used for the treatments of seeds and the test species. The concentrations used for treatment did not change significantly the seed germination, but they influenced negatively the seedling growth (especially the root elongation). The length of the root was reduced comparing with the control by 25.22% to 35.31% in the case of the species D. barbatus and respectively by 9.04% to 21.94% in the case of the species D. chinensis.The delay effect on the growth process was pronounced at higher concentrations. D. barbatus compared to D. chinensis presented a higher sensitivity to the cadmium treatment.
Authors and Affiliations
Diana Elena GRIGORAŞ, Anişoara STRATU
Keywords
Related Articles
- EP ID EP230670
- DOI -
- Views 96
- Downloads 0
THE ECOPHYSIOLOGICAL REACTION OF SOME VARIETIES OF APPLE TREE, PEAR TREE AND QUINCE TREE TO THE PATHOGENIC AGENTS ATTACK
The research was carried out in 2004, on material from horticultural collections of the Didactical Station “Vasile Adamachi” within the University of Agricultural Sciences and Veterinarian Medicine of Iaşi. The inv...
MACROFUNGI FROM “GRĂDINIŢA” PEAT BOG (EASTERN CARPATHIANS, ROMANIA)
The observations on macrofungi were carried out in the period 2004–2010, in the 91D0 Bog woodland habitat from “Grădiniţa” peat bog, habitat included in the Natura 2000 site “Larion” (Eastern Carpathians, Romania). In to...
MORPHOLOGY AND STRUCTURE OF GLANDULAR HAIRS IN DEVELOPMENT OF THYMUS VULGARIS L.
At Lamiaceae species the morphology, distribution and frequency of secretory hairs are used as taxonomic characters. At the most species from this family they are two types of secretory hairs: peltate and capitate, this...
THE EFFECT OF EXTRACTS FROM APIUM GRAVEOLENS L. AND LEVISTICUM OFFICINALE KOCH LEAVES ON THE GERMINATION OF CERTAIN DICOTYLEDONS SPECIES
The paper presents the results of a study regarding the influence of aqueous extracts obtained from Levisticum officinale and Apium graveolens leaves on seeds germination and seedlings growth in Raphanus sativus and Lens...
CONTRIBUTIONS A L’ETUDE DES FORETS DE QUERCUS PUBESCENS DU SUD DE LA MOLDAVIE (ROUMANIE)
On décrit deux associations végétales édifiées par Quercus pubescens: Paeonio peregrinae –Quercetum (Sârbu 1982) Popescu et Sanda 1999 et Cotino – Quercetum pubescentis Soó 1932, qui sont fréquentes dans le Plateau...