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Evaluation of different lighting sources on the growth and chemical composition of lettuce

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dc.contributor.authorSergejeva, D.
dc.contributor.authorAlsina, I.
dc.contributor.authorDuma, M.
dc.contributor.authorDubova, L.
dc.contributor.authorAugspole, I.
dc.contributor.authorErdberga, I.
dc.contributor.authorBerzina, K.
dc.date.accessioned2018-05-11T11:36:19Z
dc.date.available2018-05-11T11:36:19Z
dc.date.issued2018
dc.descriptionArticleeng
dc.description.abstractExperiment were carried out in Latvia University of Agriculture in plant growth room. Lettuce Lactuca sativa L. var foliosum cv. ‘Dubacek’ and L . sativa L. cv. ‘Michalina’ were grown under 4 types of lights (luminescence lamps, commercial light emitting diodes (LED) lamps (V - TAC premium series – for plant growing) and two different Lumigrow LED strips - dominant wavelength - blue or red with 14 h ph otoperiod and total photosynthetic active radiation (PAR) 100 μmol m - 2 s - 1 in all variants. Plant weight, length, amount of leaves were measured. Content of chlorophylls, carotenoids, phenols, flavonoids in lettuce was determined three times per vegetation period. In experiments were found that higher lettuce yield was under commercial LED (V - TAC premium series), but these plants contain less soluble sugars, pigments and phenols. Better plant quality was obtained with luminescence lamps. These lettuces have higher sugar, phenols and flavonoids content. Lettuce growth under blue dominate LED (LEDb) was delayed, but these plants contain higher chlorophylls content. The differences in plant growth, response to light and biochemical content b etween cultivars wer e detected.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2018, vol. 16, no. 3, pp. 892-899eng
dc.identifier.urihttp://hdl.handle.net/10492/3984
dc.identifier.urihttp://dx.doi.org/10.15159/ar.18.133
dc.rights.holderCopyright 2009 by Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry. No part of this publication may be reproduced or transmitted in any form, or by any means, electronic or mechanical, incl. photocopying, electronic recording, or otherwise without the prior written permission from the Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestryeng
dc.subjectLED lampseng
dc.subjectLactuca sativaeng
dc.subjectpigmentseng
dc.subjectphenolseng
dc.subjectflavonoidseng
dc.subjectarticleseng
dc.titleEvaluation of different lighting sources on the growth and chemical composition of lettuceeng
dc.typeArticleeng

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2018, Vol. 16, No. 3