SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement

Abstract

Non-destructive assessment of chlorophyll content has recently been widely done by chlorophyll meters based on measurement of leaf transmittance (e.g. the SPAD-502 chlorophyll meter measures the leaf transmittance at 650 and 940 nm). However, the leaf transmittance depends not only on the content of chlorophylls but also on their distribution in leaves. The… (More)
DOI: 10.1007/s11120-010-9587-z

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