Non-destructive optical detection of pigment changes during leaf senescence and fruit ripening

Mark N. Merzlyak, Anatoly A. Gitelson, Olga B. Chivkunova, Victor Yu Rakitin

Research output: Contribution to journalArticle

467 Citations (Scopus)

Abstract

Reflectance spectra in the visible and near infra-red range of the spectrum, acquired for maple (Acer platanoides L.), chestnut (Aesculus hippocastanum L.), potato (Solanum tuberosum L.), coleus (Coleus blumei Benth.), leaves and lemon (Citrus limon L.) and apple (Malus domestica Borkh.) fruits were studied. An increase of reflectance between 550 and 740 nm accompanied senescence-induced degradation of chlorophyll (Chl), whereas in the range 400-500 nm it remained low, due to retention of carotenoids (Car). It was found that both leaf senescence and fruit ripening affect the difference between reflectance (R) near 670 and 500 nm (R(678) - R(500)), depending on pigment composition. The plant senescing reflectance index in the form (R(678) R(500))/R(750) was found to be sensitive to the Car/Chl ratio, and was used as a quantitative measure of leaf senescence and fruit ripening. The changes in the index were followed during leaf senescence, and natural and ethylene-induced fruit ripening. This novel index can be used for estimating the onset, the stage, relative rates and kinetics of senescence/ripening processes.

Original languageEnglish (US)
Pages (from-to)135-141
Number of pages7
JournalPhysiologia Plantarum
Volume106
Issue number1
DOIs
StatePublished - May 1 1999

Fingerprint

reflectance
Fruit
ripening
pigments
Coleus
fruits
Acer
Malus
leaves
Carotenoids
Chlorophyll
Solanum tuberosum
carotenoids
Plectranthus scutellarioides
Acer platanoides
Aesculus hippocastanum
chlorophyll
Citrus limon
Aesculus
lemons

ASJC Scopus subject areas

  • Physiology
  • Genetics
  • Plant Science
  • Cell Biology

Cite this

Non-destructive optical detection of pigment changes during leaf senescence and fruit ripening. / Merzlyak, Mark N.; Gitelson, Anatoly A.; Chivkunova, Olga B.; Rakitin, Victor Yu.

In: Physiologia Plantarum, Vol. 106, No. 1, 01.05.1999, p. 135-141.

Research output: Contribution to journalArticle

Merzlyak, Mark N. ; Gitelson, Anatoly A. ; Chivkunova, Olga B. ; Rakitin, Victor Yu. / Non-destructive optical detection of pigment changes during leaf senescence and fruit ripening. In: Physiologia Plantarum. 1999 ; Vol. 106, No. 1. pp. 135-141.
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