A new monitoring PAM fluorometer (MONI-PAM) to study the short- and long-term acclimation of photosystem II in field conditions

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Abstract

We present and evaluate the performance of a new field monitoring PAM fluorometer (MONI-PAM) which is intended for short- and long-term monitoring of the acclimation of photosystem II (PSII). The instrument measures chlorophyll fluorescence, photosynthetic photon flux density (PPFD), and temperature in the field, and monitors exactly the same leaf area over prolonged periods of time, facilitating the estimation of both rapidly reversible and sustained non-photochemical quenching (NPQ). The MONI-PAM performance is evaluated in the lab and under natural conditions in a Scots pine canopy during spring recovery of photosynthesis. The instrument provides a new tool to study in detail the acclimation of PSII to the environment under natural field conditions.
Original languageEnglish
JournalPhotosynthesis Research
Volume96
Issue number2
Pages (from-to)173-179
Number of pages7
ISSN0166-8595
DOIs
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed

Fields of Science

  • 411 Agriculture and forestry

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