About: Regrowth dynamics of Calamagrostis epigejos after defoliation as affected by nitrogen availability.     Goto   Sponge   NotDistinct   Permalink

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  • Young plants of a rhizomatous grass Calamagrostis epigejos (L.) Roth were grown from seed in nutrient solutions containing nitrogen in concentrations 0.1, 1.0, and 10 mM. After six weeks of cultivation the plants were defoliated and changes in growth parameters and in content of storage compounds were measured in the course of regrowth under highly reduced nitrogen availability. Plants grown at higher nitrogen supply before defoliation had higher amount of all types of nitrogen storage compounds (nitrates, free amino acids, soluble proteins), which was beneficial for their regrowth rate, in spite of lower content of storage saccharides. Amino acids and soluble proteins from roots and stubble bases were the most important sources of storage compounds for regrowth of the shoot. Faster growth of plants with higher N content was mediated by greater leaf area expansion and greater number of leaves.
  • Young plants of a rhizomatous grass Calamagrostis epigejos (L.) Roth were grown from seed in nutrient solutions containing nitrogen in concentrations 0.1, 1.0, and 10 mM. After six weeks of cultivation the plants were defoliated and changes in growth parameters and in content of storage compounds were measured in the course of regrowth under highly reduced nitrogen availability. Plants grown at higher nitrogen supply before defoliation had higher amount of all types of nitrogen storage compounds (nitrates, free amino acids, soluble proteins), which was beneficial for their regrowth rate, in spite of lower content of storage saccharides. Amino acids and soluble proteins from roots and stubble bases were the most important sources of storage compounds for regrowth of the shoot. Faster growth of plants with higher N content was mediated by greater leaf area expansion and greater number of leaves. (en)
Title
  • Regrowth dynamics of Calamagrostis epigejos after defoliation as affected by nitrogen availability.
  • Regrowth dynamics of Calamagrostis epigejos after defoliation as affected by nitrogen availability. (en)
skos:prefLabel
  • Regrowth dynamics of Calamagrostis epigejos after defoliation as affected by nitrogen availability.
  • Regrowth dynamics of Calamagrostis epigejos after defoliation as affected by nitrogen availability. (en)
skos:notation
  • RIV/00216224:14310/07:00020289!RIV10-GA0-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/98/P268)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 447029
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/07:00020289
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • nitrogen supply; regrowth; defoliation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [F16DC6B8D921]
http://linked.open...i/riv/nazevZdroje
  • Biologia Plantarum
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 51
http://linked.open...iv/tvurceVysledku
  • Gloser, Vít
  • Košvancová, Martina
  • Gloser, Jan
issn
  • 0006-3134
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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