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

citral
myrcene
optimization
response surface methodology
desirability function.

How to Cite

1.
León-Anzueto E, Abud-Archila M, Dendooven L, Ventura-Canseco LMC, Gutiérrez-Miceli FA. Effect of vermicompost, worm-bed leachate and arbuscular mycorrizic fungi on lemongrass (Cymbopogon citratus Stapf.) growth and composition of its essential oils. Electron. J. Biotechnol. [Internet]. 2011 Oct. 24 [cited 2024 Sep. 19];14(6). Available from: https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v14n6-9

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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