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Vol 14, No 6 (2011)
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Effect of vermicompost, worm-bed leachate and arbuscular mycorrizic fungi on lemongrass (Cymbopogon citratus Stapf.) growth and composition of its essential oils | León-Anzueto | Electronic Journal of Biotechnology
doi: 10.2225/vol14-issue6-fulltext-9
Electronic Journal of Biotechnology, Vol 14, No 6 (2011)

Effect of vermicompost, worm-bed leachate and arbuscular mycorrizic fungi on lemongrass (Cymbopogon citratus Stapf.) growth and composition of its essential oils

Elizabeth León-Anzueto, Miguel Abud-Archila, Luc Dendooven, Lucía María C. Ventura-Canseco, Federico A. Gutiérrez-Miceli



Abstract

The objective of this study was to investigate the effect of vermicompost, worm-bed leachate (WBL) and Glomus mosseae, an arbuscular mycorrhizal fungi (AMF), on growth of lemongrass (Cymbopogon citratus (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.




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ISSN:  0717-3458

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