Plant growth promoting rhizobacteria improve growth and essential oil yield in Origanum majorana L

Effects of root colonization by plant growth promoting rhizobacteria (PGPR) on biomass, and qualitative and quantitative composition of essential oils, were determined in the aromatic crop Origanum majorana L. (sweet marjoram). PGPR strains evaluated were Pseudomonas fluorescens, Bacillus subtilis,...

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Veröffentlicht in:Biochemical systematics and ecology 2008-10, Vol.36 (10), p.766-771
Hauptverfasser: Banchio, Erika, Bogino, Pablo C., Zygadlo, Julio, Giordano, Walter
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container_issue 10
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container_title Biochemical systematics and ecology
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creator Banchio, Erika
Bogino, Pablo C.
Zygadlo, Julio
Giordano, Walter
description Effects of root colonization by plant growth promoting rhizobacteria (PGPR) on biomass, and qualitative and quantitative composition of essential oils, were determined in the aromatic crop Origanum majorana L. (sweet marjoram). PGPR strains evaluated were Pseudomonas fluorescens, Bacillus subtilis, Sinorhizobium meliloti, and Bradyrhizobium sp. Only P. fluorescens and Bradyrhizobium sp. showed significant increases in shoot length, shoot weight, number of leaf, number of node, and root dry weight, in comparison to control plants or plants treated with other PGPR. Essential oil yield was also significantly increased relative to non-inoculated plants, without alteration of oil composition. P. fluorescens has clear commercial potential for economic cultivation of O. majorana.
doi_str_mv 10.1016/j.bse.2008.08.006
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source Elsevier ScienceDirect Journals
subjects Aromatic plants
Bacillus subtilis
Bradyrhizobium
Essential oil
Origanum majorana
PGPR
Plant growth promoting rhizobacteria
Pseudomonas fluorescens
Sinorhizobium meliloti
Sweet marjoram
title Plant growth promoting rhizobacteria improve growth and essential oil yield in Origanum majorana L
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