Vol. 38 No. 3 (2024):
Articles

Effects of foliar application of two forms of selenium on anatomic features of Thymus daenensis Celak

Z. Abravesh
Biotechnology Department, Research Institute of Forests and Rangelands, Tehran, Iran.
A. Iranbakhsh
Biotechnology Department, Research Institute of Forests and Rangelands, Tehran, Iran.
H. Mirzaie-Nodoushan
Biotechnology Department, Research Institute of Forests and Rangelands, Tehran, Iran.
M. Ebadi
Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran.
Z. Oraghi Ardebili
Department of Biology, Garmsar Branch, Islamic Azad University, Garmsar, Iran.

Published 2024-10-23

Keywords

  • Medicinal plant,
  • nanoparticle,
  • Thymus daenensis

How to Cite

Abravesh, Z., Iranbakhsh, A., Mirzaie-Nodoushan, H., Ebadi, M., & Oraghi Ardebili, Z. (2024). Effects of foliar application of two forms of selenium on anatomic features of Thymus daenensis Celak. Advances in Horticultural Science, 38(3), 249–256. https://doi.org/10.36253/ahsc-15711

Abstract

To investigate selenium effects on anatomic features of Thymus daenensis, three concentrations of bulk and nanoparticles of the element (2, 4 and 8 ppm) along with distilled water, as a control, were sprayed on foliar of young seedlings of the plant species for six times with 2 weeks intervals. Transverse sections of stems, roots and leaves of the treated plants were manually produced and stained by Carmine and Methylene blue. Average of 5 readings was recorded for each treatment on several anatomic traits. Statistical analysis of the data revealed that the effects of selenium treatments were significantly different, at 1% of probability, on all of the studied anatomic characters. The first level of nanoparticles showed the most positive effects on several root characteristics. The highest level of selenium nanoparticles (8 ppm) showed the most positive effects on stem diameter and stem vascular cylinder diameter. The last two levels of nanoparticles had similar and the largest effect on stem epidermis thickness. The lowest level of bulk selenium (2 ppm) showed the most increment on leaf characteristics. Application of a low concentration of selenium by foliar spraying on young plants of the species is suggested for more vegetative growth and higher photosynthetic efficiency