Abstract
Four cultivars (PRC-1, Trishna, Tripta, and M.P.) of palmarosa (Cymbopogon martinii var. martinii) exposed to one physical mutagen (gamma irradiation at 15 Kr) and two chemical mutagens (EMS-0.4% and EI-0.04%) together with their relative effectiveness for enhanced biomass growth and oil yield in M, generation have been studied. The data on herbage yield in terms of plant height, second internode length, inflorescence length, leaf number and tiller number and oil yield and free geraniol percentage in the three mutagen treated cultivars (PRC-1, Trishna and Tripta) showed significant increase/enhancement over the respective untreated controls. The mutagen response in the fourth cultivar (M.P.) was found to be transgressively variable, showing an increased effect for some traits and a decreased trend for others which was attributed to heterogeneity and open pollinated nature of this cultivar.
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