Document Detail

Effects of foliar fertilization and arbuscular mycorrhizal colonization on Salvia officinalis L. growth, antioxidant capacity, and essential oil composition.
MedLine Citation:
PMID:  20355101     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The effect of foliar fertilization and Glomus intraradices inoculation on the growth, qualitative and quantitative pattern of essential oil in Salvia officinalis was determined. Sage plants were grown in a glass house on a soil/sand mixture (w/w = 3:1). Agroleaf total, N:P:K = 20:20:20 + microelements, was used at the whole vegetative growth stage as a 0.3% solution. Inoculation with Glomus intraradices was done at the sowing stage. RESULTS: Application of foliar fertilization and/or mycorrhizal colonization improved dry biomass accumulation and increased the content of antioxidant metabolites (ascorbate and reduced glutathione). Applied treatments lowered the activities of the antioxidants enzymes catalase, ascorbate peroxidase and superoxide dismutase, while guaiacol peroxidase increased. The relative quantity of essential oil pattern was also altered as a result of the applied treatments. Combined application (FF + Gi) significantly promoted 1,8-cineole and alpha-thujone, mycorrhizal colonization enhanced bornyl acetate, 1,8-cineole, alpha- and beta-thujones, while foliar fertilization increased bornyl acetate and camphor. The favorable effect of root colonization by Glomus intraradices was determined both on quantitative and qualitative pattern of sage essential oil. CONCLUSION: We conclude that inoculation with Glomus intraradices resulted in improved essential oil yield and quality, while combined application of foliar fertilizer and mycorrhizal fungi predominantly enhanced shoot biomass accumulation.
Maria P Geneva; Ira V Stancheva; Madlen M Boychinova; Nadezhda H Mincheva; Petranka A Yonova
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the science of food and agriculture     Volume:  90     ISSN:  1097-0010     ISO Abbreviation:  J. Sci. Food Agric.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-03-31     Completed Date:  2010-09-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376334     Medline TA:  J Sci Food Agric     Country:  England    
Other Details:
Languages:  eng     Pagination:  696-702     Citation Subset:  IM    
Acad. M Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria.
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MeSH Terms
Antioxidants / metabolism*
Nitrogen / pharmacology
Oils, Volatile* / chemistry,  metabolism
Phosphorus / pharmacology
Plant Leaves
Plant Roots / microbiology
Potassium / pharmacology
Salvia officinalis / growth & development,  metabolism,  microbiology,  physiology*
Reg. No./Substance:
0/Antioxidants; 0/Fertilizers; 0/Oils, Volatile; 7440-09-7/Potassium; 7723-14-0/Phosphorus; 7727-37-9/Nitrogen

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