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Intra–annual height growth of hybrid poplars in Latvia. Results from the year of establishment

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dc.contributor.authorŠēnhofa, S.
dc.contributor.authorZeps, M.
dc.contributor.authorĶēniņa, L.
dc.contributor.authorNeimane, U.
dc.contributor.authorKāpostiņš, R.
dc.contributor.authorKārkliņa, A.
dc.contributor.authorJansons, Ā.
dc.date.accessioned2017-11-24T07:58:08Z
dc.date.available2017-11-24T07:58:08Z
dc.date.issued2018
dc.descriptionArticleeng
dc.description.abstractFast growing hybrid poplars (Populus spp.) could be successfully used for bioenergy as well as wood production. Productivity of clones had been studied in Baltic States recently, however, little is known about the impact of weather conditions on poplar height growth, thus the potential effect of climate change. Therefore, the aim of this study was to characterize the intra– annual height growth of hybrid poplar clones in Latvia. Height increment of 12 hybrid poplar clones was measured on average with an 11–day interval in the first vegetation season in 2016. Annual shoot height was on average 81.0 ± 6.8 cm, significantly (p < 0.001) depending on the poplar clone. Use of long (0.5 m) instead of short (0.3 m) cuttings leaded to larger annual height increment during the year of establishment of the plantation. From June to September the mean growth intensity was 10 to 15 mm day-1 . The trend of height growth intensity, described by Gompertz model, indicated that the poplar clones with largest height had relatively fast increase of the growth intensity from June to July. Changes of growth intensity was linked both with the temperature and sum of precipitation. This tendency was not so pronounced for clones with largest height increment, emphasizing the importance of the phenotypic plasticity in selection of clones for plantations.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2018, vol. 16, no. 1, pp. 254-262eng
dc.identifier.urihttp://hdl.handle.net/10492/3736
dc.identifier.urihttp://dx.doi.org/10.15159/ar.17.073
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.subjectPopulus spp.eng
dc.subjectshort–rotation forestryeng
dc.subjectcutting lengtheng
dc.subjectgrowth intensityeng
dc.subjectarticleseng
dc.titleIntra–annual height growth of hybrid poplars in Latvia. Results from the year of establishmenteng
dc.typeArticleeng

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2018, Vol. 16, No. 1