Access

You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:

login

Log in to your personal account or through your institution.

If You Use a Screen Reader

This content is available through Read Online (Free) program, which relies on page scans. Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.

Pigmentation and Soluble Peroxidase Isozyme Patterns of Leaves of Pedilanthus tithymaloides L. Variegatus as a Result of Daily Temperature Differences

Pierre Bricage
Plant Physiology
Vol. 69, No. 3 (Mar., 1982), pp. 668-671
Stable URL: http://www.jstor.org/stable/4267272
Page Count: 4
  • Read Online (Free)
  • Subscribe ($19.50)
  • Cite this Item
Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Pigmentation and Soluble Peroxidase Isozyme Patterns of Leaves of Pedilanthus tithymaloides L. Variegatus as a Result of Daily Temperature Differences
Preview not available

Abstract

In a constant environment with a narrow (less than 8°C) daily temperature difference (δt), leaves of Pedilanthus tithymaloides L. variegatus usually appeared green. After at least two days of δt > 10°C, new leaves had become green-white, and a red pigmentation appeared and increased if high δt conditions were maintained. If plants were returned to a narrow δt, new green leaves reappeared. Electrophoretic patterns of soluble peroxidase isozymes changed during the color changes. Three groups of electrophoretic bands occurred, and each was related to a characteristic tissue. The development of red color was correlated with the appearance of the group with the fastest electrophoretic mobility and the highest peroxidase activity.

Page Thumbnails

  • Thumbnail: Page 
668
    668
  • Thumbnail: Page 
669
    669
  • Thumbnail: Page 
670
    670
  • Thumbnail: Page 
671
    671