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In situ induction of chromosome doubling in vine cacti (Cactaceae)
Year:
2011
Source of publication :
Scientia Horticulturae
Authors :
Raveh, Eran
;
.
Volume :
129
Co-Authors:
Tel-Zur, N., French Associates Institute for Agriculture and Biotechnology of Drylands, J. Blaustein Institutes for Desert Research (BIDR), Ben-Gurion University of the Negev (BGU), Sede-Boqer, Israel
Dudai, M., Department of Life Sciences, Ben-Gurion University of the Negev (BGU), Beer-Sheva, Israel
Raveh, E., The Agricultural Research Organization (ARO), Gilat Research Center, Mobile Post Negev 85280, Israel
Mizrahi, Y., Department of Life Sciences, Ben-Gurion University of the Negev (BGU), Beer-Sheva, Israel
Facilitators :
From page:
570
To page:
576
(
Total pages:
7
)
Abstract:
Vine cacti have economic potential as exotic fruits in semi-arid and arid lands due to their high water use efficiency. The goal of this study was to attain autopolyploid plants by applying the antimitotic agents colchicine and oryzalin on axillary vegetative buds and germinating seeds. The diploid Hylocereus monacanthus and the tetraploid H. megalanthus; the interspecific triploid hybrid S-75, were studied. The effects of different concentrations and exposure times on bud survival and germination rate were recorded. A negative effect on vegetative bud survival was observed in the triploid hybrid. An inhibitory effect on germinating seeds was species specific, being greater on H. monacanthus with oryzalin and on H. megalanthus with colchicine. Putative polyploids were identified by comparing stomatal density between donor plants and plants arising from treated buds or seeds. Flow cytometric analysis and chromosome counts confirmed polyploidization in 14 autotetraploid H. monacanthus, 1 autohexaploid S-75 hybrid, and 14 autooctaploid H. megalanthus. This is the first report of artificial autopolyploidization in species of vine cactus, providing valuable novel plant material for further breeding programs. © 2011 Elsevier B.V.
Note:
Related Files :
arid region
Autopolyploid
colchicine
commercial species
germination
in situ measurement
Monacanthus
shrub
water use efficiency
Show More
Related Content
More details
DOI :
10.1016/j.scienta.2011.04.027
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21125
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:41
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Scientific Publication
In situ induction of chromosome doubling in vine cacti (Cactaceae)
129
Tel-Zur, N., French Associates Institute for Agriculture and Biotechnology of Drylands, J. Blaustein Institutes for Desert Research (BIDR), Ben-Gurion University of the Negev (BGU), Sede-Boqer, Israel
Dudai, M., Department of Life Sciences, Ben-Gurion University of the Negev (BGU), Beer-Sheva, Israel
Raveh, E., The Agricultural Research Organization (ARO), Gilat Research Center, Mobile Post Negev 85280, Israel
Mizrahi, Y., Department of Life Sciences, Ben-Gurion University of the Negev (BGU), Beer-Sheva, Israel
In situ induction of chromosome doubling in vine cacti (Cactaceae)
Vine cacti have economic potential as exotic fruits in semi-arid and arid lands due to their high water use efficiency. The goal of this study was to attain autopolyploid plants by applying the antimitotic agents colchicine and oryzalin on axillary vegetative buds and germinating seeds. The diploid Hylocereus monacanthus and the tetraploid H. megalanthus; the interspecific triploid hybrid S-75, were studied. The effects of different concentrations and exposure times on bud survival and germination rate were recorded. A negative effect on vegetative bud survival was observed in the triploid hybrid. An inhibitory effect on germinating seeds was species specific, being greater on H. monacanthus with oryzalin and on H. megalanthus with colchicine. Putative polyploids were identified by comparing stomatal density between donor plants and plants arising from treated buds or seeds. Flow cytometric analysis and chromosome counts confirmed polyploidization in 14 autotetraploid H. monacanthus, 1 autohexaploid S-75 hybrid, and 14 autooctaploid H. megalanthus. This is the first report of artificial autopolyploidization in species of vine cactus, providing valuable novel plant material for further breeding programs. © 2011 Elsevier B.V.
Scientific Publication
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