Adaptation to Dim-red Light Leads to a Nongradient Pattern of Stem Elongation in Cucumis Seedlings

Overview

Journal Plant Physiol

Specialty Physiology

Date 1992 Jul 1

PMID 16669004

Citations 7

Authors

J R Shinkle

S K Sooudi

R L Jones

Affiliations

Soon will be listed here.

Abstract

Relative growth rate determinations on 5-millimeter regions of cucumber (Cucumis sativus L.) hypocotyls show that dim-red light-grown seedlings have an even distribution of growth along the stem axis. This contrasts with the apical to basal graded decline in growth rate seen in dark-grown seedlings, including dark-grown cucumber seedlings used as controls in this study. Dark-grown seedlings convert to the nongradient pattern when transferred to dim-red light. The small amount of light required suggests that the change in developmental pattern may happen in the natural light environment.

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