Cold-Induced Sudden Reversible Lowering of in Vivo Chlorophyll Fluorescence after Saturating Light Pulses 1: A Sensitive Marker for Chilling Susceptibility
AUTOR(ES)
Larcher, Walter
RESUMO
In chilling-sensitive plants (Glycine max, Saintpaulia ionantha, Saccharum officinarum) a sudden reversible drop in chlorophyll fluorescence occurs during photosynthetic induction immediately following saturating light pulses at low temperatures in the range 4 to 8°C. A comparison of two soybean cultivars of different chilling sensitivities revealed that this phenomenon, termed lowwave, indicates specific thresholds of low temperature stress. Its occurrence under controlled chilling can be regarded as a quantitative marker for screening chilling susceptibility in angiosperms.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1055916Documentos Relacionados
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