NDLI: Plasticity in Sex Expression of Spinach (Spinacia oleracea) Regenerated from Root Tissues

Content Provider	Springer Nature Link
Author	Komai, Fumiri Masuda, Kiyoshi
Copyright Year	2004
Abstract	The sex expression of spinach (Spinacia oleracea L.) was modified by a procedure where plants were regenerated from root callus of spinach over three successive generations. Somatic embryos obtained from the root callus of female or male plants were grown in vitro under long day conditions until flowering. Although the regenerants derived from somatic embryos derived from female plants were all female at the first generation, few progenies produced male flower organs and expressed gynomonoecy in subsequent generations. Once the female plants regenerated into gynomonoecy, they never expressed complete femaleness at post generation. However, the male plants easily altered into andromonoecy at subsequent generations, and several andromonoecious plants showed the sex reversion at post generation, although this phenomenon did not occur in the female progenies. No absolute sex conversion was found in both female and male progenies. The plasticity of the sex expressions of spinach indicates that female and male individuals might essentially be capable of generating both flower organs.
Starting Page	285
Ending Page	287
Page Count	3
File Format	PDF
ISSN	01676857
Journal	Plant Cell, Tissue and Organ Culture (PCTOC)
Volume Number	78
Issue Number	3
e-ISSN	15735044
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant Sciences Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Horticulture

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