TITLE

IMPACT OF LIGHT SPECTRAL COMPOSITION ON THE LENGTH AND WEIGHT OF THE GAMETOPHYTE OF POLYTRICHASTRUM FORMOSUM (HEDW.) G.L. SMITH, PLAGIOMNIUM CUSPIDATUM (HEDW.) T.J. KOP. AND PLEUROZIUM SCHREBERI (BRID.) MITT

AUTHOR(S)
MOŻDŻEŃ, KATARZYNA; SAJA, DIANA; RYŚ, MAGDALENA; SKOCZOWSKI, ANDRZEJ
PUB. DATE
April 2014
SOURCE
Modern Phytomorphology;2014, Vol. 5, p73
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of the present study was to examine the influence of light spectral composition on the length and weight of mosses gametophytes: Polytrichastrum formosum (Hedw.) G.L. Smith, Plagiomnium cuspidatum (Hedw.) T.J. Kop. and Pleurozium schreberi (Brid.) Mitt. Plants were grown 31 days in the chambers equipped with LEDs matrices of the same intensity of light (200 μmol m-2 . s-1), but different spectral composition: white (WL), white-blue (WBL) and red-greenblue (RGBL). It was found that the WBL as compared to RGBL inhibited the growth of the whole gametophytes of P. cuspidatum and P. formosum. WBL inhibited also rhizoids length of P. cupsidatum, in comparison to plants growing on WL and RGBL as well as growth of leaves stalks P. schreberi and P. cuspidatum as compared to WL. For RGBL fresh weight of plants P. cuspidatum was significantly higher than the WBL, while in P. schreberi higher than that for WBL and WL. Impact of light quality on the dry matter production was observed only in P. schreberi. Effect of spectral composition of light on the length and weight of the gametophyte depends on the species of moss.
ACCESSION #
99226125

 

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