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Electronic Journal of Biotechnology
Universidad Católica de Valparaíso
ISSN: 0717-3458
Vol. 14, No. 6, 2011
Bioline Code: ej11065
Full paper language: English
Document type: Research Article
Document available free of charge

Electronic Journal of Biotechnology, Vol. 14, No. 6, 2011

 en Effect of vermicompost, worm-bed leachate and arbuscular mycorrizal fungi on lemongrass ( Cymbopogon citratus check for this species in other resources (DC) Stapf.) growth and composition of its essential oil
León-Anzueto, Elizabeth; Abud-Archila, Miguel; Dendooven, Luc; Ventura-Canseco, Lucía María Cristina & Gutiérrez-Miceli, Federico A.

Abstract

The objective of this study was to investigate the effect of vermicompost, worm-bed leachate (WBL) and Glomus mosseae check for this species in other resources , an arbuscular mycorrhizal fungi (AMF), on growth of lemongrass ( Cymbopogon citratus check for this species in other resources (DC.) Stapf). A response surface methodology, i.e. a three-level Box Benhen design with three repetitions and three blocks, was applied to optimize biomass production, essential oil yield and its composition. Application rates of Glomus mosseae were 0, 1 or 2 g plant-1, vermicompost 0, 5 or 10 g plant-1 and WBL 0, 10 and 20%. The AMF had no significant effect on the variables tested, but vermicompost had a significant effect on essential oil yield and WBL on essential oil yield, myercene concentration and shoot dry weigh (p < 0.05). It was found that lemongrass fertilized with 2.0 g G. mosseae, 5.0 g vermicompost and 20% worm-bed leachate would yield 0.797% essential oil of which 62.6% was citral.

Keywords
citral, desirability function, lemongrass, myrcene, optimization, response surface methodology

 
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