Effects of plant growth regulators on seedlings elongation and on cytogenetic parameters in Hordeum vulgare L. cv Madalin
Year: 2008
Type: article
Abstract: The treatments of barley seeds with plant growth regulators induced effects whose amplitude, analyzed in the\ndynamics of the three quantitative determinations, was in relation with the type and concentration of tested compound and\nalso with the seedlings age. Auxin slightly stimulated seedlings growth, kinetin and 2,4-D+Kin mixture inhibited their\nelongation in all tested concentrations, while the treatment with gibberellic acid generally expressed in increase of barley\nseedlings lenght. Mitotic index had no significant variations comparatively to control. Ana-teophase chromosome\naberrations were present in a percentage that surpassed the control average in several variants subjected to the treatment\nwith growth regulators: 10 mg l-1 and 25 mg l-1 2,4-D; 1 mg l-1 gibberellic acid; 1 mg l-1 2,4-D+ 1 mg l-1 kinetin.
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: green
OpenAlex ID: W2600254433