Effect of plant density and application rates of vermicompost on essential oil content and composition of Balm (Melissa officinalis L.)

A Toghraei; J Daneshian; A Shirani Rad; M Zarei Kooshki; A Toghraei

doi:10.1055/s-0031-1282316

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Planta Med 2011; 77 - PD3
DOI: 10.1055/s-0031-1282316

Effect of plant density and application rates of vermicompost on essential oil content and composition of Balm (Melissa officinalis L.)

A Toghraei ¹, J Daneshian ², A Shirani Rad ², M Zarei Kooshki ², A Toghraei ²

¹Academic Center Of Education And Cultural Researchs (ACECR), Qazvin Unit, 34138–63694, Qazvin, Iran
²Department of Agriculture, Azad Islamic University, Takestan Unit, 34819–49479, Takestan, Iran

Congress Abstract

In order to investigate plant density and application rates of vermicompost on essential oil content and composition of Balm, the experiment was conducted during 6 months in Dineh phytomedic company in 2010. This experiment was carried out in complete randomized block design with 3 replications at three plant densities (6, 8 and 10 plant/m²) and four application rates of vermicompost (0, 5, 10 and 15 ton/ha). In floral imitation, plants harvested and essential oil were extracted by water distillation. The essential oils were analyzed by GC and GC/MS. The results showed a significant difference (%1) among plant densities and application rates of vermicompost on essential oil yield. maximum amount of essential oil obtained from 10 plant/m² and 10 ton/ha vermicompost consumption. Identification of essential oil components showed that plant density had no effect on essential oil composition but some compounds of the oil decreased with more application of vermicompost, whereas some other compounds increased with most application of vermicompost.