Light Absorption and Carotenoid Synthesis of Pot Marigold (Calendula officinalis L.) in Response to Phosphorous and Potassium Varying Levels

  • Mohammad SEDGHI University of Mohaghegh Ardabili, Ardabil (IR)
  • Alireza PIRZAD Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Urmia, Urmia (IR)
  • Bahman AMANPOUR-BALANEJI Young researchers club of Islamic Azad University, Urmia branch, Urmia, Iran (IR)
Keywords: Carotenoids; light extinction coefficient; light interception efficiency; pot marigold

Abstract

In order to provide additional information on the effects of elemental deficiency on factors that affect plant production in medicinal plants, a factorial field experiment as randomized complete block design was conducted on Calendula officinalis. Treatments were four phosphorus levels (P2O5) including 0, 40, 80 and 120 Kg ha-1 and four potassium levels (K2O) as 0, 50, 100 and 150 Kg ha-1. Results showed that applied treatments had significant effects on petal carotenoids and the highest amount of ? - carotene obtained at 80 and 150 Kg ha-1 P2O5 and K2O, respectively. Effect of K2O on light interception and light use efficiency was significant and the highest radiation use efficiency achieved by applying 150 Kg ha-1 K2O. The highest yield of grain and dry flowers was recorded in the mixture of 80 and 150 Kg ha-1 P2O5 and K2O, respectively. In conclusion, using of K2O had greater effects on studied traits than P2O5.

Metrics

Metrics Loading ...
Published
2011-03-07
How to Cite
SEDGHI, M., PIRZAD, A., & AMANPOUR-BALANEJI, B. (2011). Light Absorption and Carotenoid Synthesis of Pot Marigold (Calendula officinalis L.) in Response to Phosphorous and Potassium Varying Levels. Notulae Scientia Biologicae, 3(1), 46-50. https://doi.org/10.15835/nsb315463
Section
Research articles
CITATION
DOI: 10.15835/nsb315463