About: A comparison of photosynthetic and respiration rates in six aquatic carnivorous Utricularia species differing in morphology.     Goto   Sponge   NotDistinct   Permalink

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Description
  • Oxygen-based net photosynthetic (PN) and dark respiration (RD) rates were measured in trap-free leaves of different age of Utricularia australis and U. vulgaris. PN and RD were compared in adult trap-free leaves in three species with linear shoots (U. australis, U. vulgaris, U. purpurea) and four populations of three rhizomatous/rosette species (U. dichotoma, U. resupinata, U. volubilis) under standard conditions (25 oC, 400 μmol m-2 s-1 PAR, 0.25 mM CO2). In U. australis and U. vulgaris shoots, dry-weight based RD was highest in the youngest segments (174-184 mmol kg-1 h-1). Chlorophyll-based PN rates along the shoots in both species were almost constant. Dry-weight based PNmax in U. australis was significantly greater than that in U. vulgaris (163469 vs. 107756 mmol kg-1 h-1), while the CO2 affinity (Km) was opposite: 4810 vs. 212 μM. The linear-shoot species have higher PN rates than the other subgroup (732-1592 vs. 155-687 mmol kg-1DW h-1).
  • Oxygen-based net photosynthetic (PN) and dark respiration (RD) rates were measured in trap-free leaves of different age of Utricularia australis and U. vulgaris. PN and RD were compared in adult trap-free leaves in three species with linear shoots (U. australis, U. vulgaris, U. purpurea) and four populations of three rhizomatous/rosette species (U. dichotoma, U. resupinata, U. volubilis) under standard conditions (25 oC, 400 μmol m-2 s-1 PAR, 0.25 mM CO2). In U. australis and U. vulgaris shoots, dry-weight based RD was highest in the youngest segments (174-184 mmol kg-1 h-1). Chlorophyll-based PN rates along the shoots in both species were almost constant. Dry-weight based PNmax in U. australis was significantly greater than that in U. vulgaris (163469 vs. 107756 mmol kg-1 h-1), while the CO2 affinity (Km) was opposite: 4810 vs. 212 μM. The linear-shoot species have higher PN rates than the other subgroup (732-1592 vs. 155-687 mmol kg-1DW h-1). (en)
Title
  • A comparison of photosynthetic and respiration rates in six aquatic carnivorous Utricularia species differing in morphology.
  • A comparison of photosynthetic and respiration rates in six aquatic carnivorous Utricularia species differing in morphology. (en)
skos:prefLabel
  • A comparison of photosynthetic and respiration rates in six aquatic carnivorous Utricularia species differing in morphology.
  • A comparison of photosynthetic and respiration rates in six aquatic carnivorous Utricularia species differing in morphology. (en)
skos:notation
  • RIV/67985939:_____/13:00425366!RIV14-AV0-67985939
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GAP504/11/0783)
http://linked.open...iv/cisloPeriodika
  • Nov. 2013
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
  • 58508
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/13:00425366
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Utricularia; CO2 uptake affinity; shoot age (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [D95D0317DE0C]
http://linked.open...i/riv/nazevZdroje
  • Aquatic Botany
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
  • 111
http://linked.open...iv/tvurceVysledku
  • Adamec, Lubomír
http://linked.open...ain/vavai/riv/wos
  • 000328099800015
issn
  • 0304-3770
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.aquabot.2013.06.004
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