EFFECT OF PLANT GROWTH REGULATORS ON GROWTH AND ESSENTIAL OIL CONTENT IN PALMAROSA (CYMBOPOGON MARTINII)

Abstract

Objective: The aim was to examine the responses viz., herbage yield, essential oil content and oil composition to varying levels of gibberellic acid (GA3), kinetin and indole acetic acid (IAA) in Palmarosa (Cymbopogon martinii). Methods: Essential oils were obtained by hydro-distillation using a Clevenger-type apparatus and oils composition was analyzed by gas chromatography-mass spectrometry. Nitrate reductase (NR) activity was evaluated by in-vivo assay. Protein content was evaluated by Lowry method. Chlorophyll was estimated by Arnon method.