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Cotyledon detachment inhibits development but does not affect precocious flowering of 'Duncan' grapefruit
Year:
1995
Authors :
Abu-Abied, Mohamad
;
.
Holland, Doron
;
.
Saad, Shoshana
;
.
Sahar, Nachman
;
.
Volume :
41
Co-Authors:

Holland, D., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Abied, M.A., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Nachman, S., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Saad, S., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel

Facilitators :
From page:
79
To page:
82
(
Total pages:
4
)
Abstract:
The role of cotyledons in seedling development and precocious flowering was studied in 'Duncan' grapefruit (Citrus paradisi Macf), a cultivar that displays a high frequency of precocious flowering. Cotyledons were detached from the embryo and the embryos were germinated in vitro to form plantlets. Cotyledon detachment dramatically affected the development of 'Duncan' seedlings. The decotyledonized plants were stunted, with small narrow leaves and thin and underdeveloped roots. Decotyledonization did not change significantly the number of leaves developed. Despite the dramatic effects of the cotyledons on seedling development, decotyledonized 'Duncan' seedlings retained their ability to flower precociously. We conclude that although normal growth and development of 'Duncan' grapefruit seedlings is cotyledon-dependent, the ability to flower precociously does not depend on the presence of cotyledons during in vitro germination. © 1995 Kluwer Academic Publishers.
Note:
Related Files :
Citrus paradisi
embryo development
juvenility
maturation
Show More
Related Content
More details
DOI :
10.1007/BF00124091
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21252
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:42
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Scientific Publication
Cotyledon detachment inhibits development but does not affect precocious flowering of 'Duncan' grapefruit
41

Holland, D., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Abied, M.A., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Nachman, S., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Saad, S., Department of Fruit Tree Breeding and Genetics, Agricultural Research Organisation, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel

Cotyledon detachment inhibits development but does not affect precocious flowering of 'Duncan' grapefruit
The role of cotyledons in seedling development and precocious flowering was studied in 'Duncan' grapefruit (Citrus paradisi Macf), a cultivar that displays a high frequency of precocious flowering. Cotyledons were detached from the embryo and the embryos were germinated in vitro to form plantlets. Cotyledon detachment dramatically affected the development of 'Duncan' seedlings. The decotyledonized plants were stunted, with small narrow leaves and thin and underdeveloped roots. Decotyledonization did not change significantly the number of leaves developed. Despite the dramatic effects of the cotyledons on seedling development, decotyledonized 'Duncan' seedlings retained their ability to flower precociously. We conclude that although normal growth and development of 'Duncan' grapefruit seedlings is cotyledon-dependent, the ability to flower precociously does not depend on the presence of cotyledons during in vitro germination. © 1995 Kluwer Academic Publishers.
Scientific Publication
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