Chilling syndrome in light‐exposed maize leaves and its easing by low doses of DCMU

L. Mustárdy, Zsuzsa Sz‐Rózsa, Ágnes Faludi‐Dániel

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

When maize plants (Zea mays L. line ps‐lye) were subjected to chilling (at 8 ± 2°C, 80% relative humidity for 24 h under illumination by 80 W m2 between 400–700 nm), the leaves were wilted and photosynthetic membranes were permanently damaged. This was shown by the swelling of grana thylakoids and a deerease in the charging capacity of the electron transport chain. Water loss and photosynthetic dysfunction were connected in the process of a chilling‐induced increase of stomatal aperture. Chilling injury could be eased to a considerable extent by a mild treatment with DCMU preventing stomatal opening, wilting, and the irreversible loss of CO2 fixation capacity.

Original languageEnglish
Pages (from-to)572-576
Number of pages5
JournalPhysiologia Plantarum
Volume60
Issue number4
DOIs
Publication statusPublished - 1984

Fingerprint

Diuron
grana
Thylakoids
chilling injury
electron transport chain
wilting
thylakoids
Zea mays
lighting
relative humidity
corn
Electron Transport
dosage
Humidity
Lighting
leaves
water
Membranes
Water
Wounds and Injuries

Keywords

  • Photosynthesis
  • stomata
  • thermoluminescence
  • thylakoid thickness Zea mays

ASJC Scopus subject areas

  • Physiology
  • Genetics
  • Plant Science
  • Cell Biology

Cite this

Chilling syndrome in light‐exposed maize leaves and its easing by low doses of DCMU. / Mustárdy, L.; Sz‐Rózsa, Zsuzsa; Faludi‐Dániel, Ágnes.

In: Physiologia Plantarum, Vol. 60, No. 4, 1984, p. 572-576.

Research output: Contribution to journalArticle

Mustárdy, L. ; Sz‐Rózsa, Zsuzsa ; Faludi‐Dániel, Ágnes. / Chilling syndrome in light‐exposed maize leaves and its easing by low doses of DCMU. In: Physiologia Plantarum. 1984 ; Vol. 60, No. 4. pp. 572-576.
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