Cold hardening and sucrose treatment improve cryopreservation of date palm meristems
Date palm (Phoenix dactylifera L.) cv. Khenizi caulogenic meristems were initiated from achlorophyllous leaves excised from in vitro shoot cultures and then proliferated on a specific culture medium supplemented with 70 g dm-3 sucrose. Regeneration rates obtained when using standard vitrification, droplet-vitrification, and encapsulationvitrification protocols reached 26.7, 60.0, and 40.0 %, respectively. Only explants smaller than 3 mm in diameter were found to survive cryogenic treatments. Sucrose preculture, cold hardening and loading solution pretreatments showed significant effects on regeneration rates. Moreover, our results indicate that both sucrose preculture and cold acclimation of explants increased proline content. Cryopreservation of date palm tissue with high proliferation capacity can directly benefit large scale micropropagation projects.
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dig-cirad-fr-5682682024-01-28T21:17:07Z http://agritrop.cirad.fr/568268/ http://agritrop.cirad.fr/568268/ Cold hardening and sucrose treatment improve cryopreservation of date palm meristems. Fki Lotfi, Bouaziz Neila, Chkir O., Benjemaa-Masmoudi Raja, Rival Alain, Swennen Rony, Drira Noureddine, Panis Bart. 2013. Biologia Plantarum, 57 (2) : 375-379.https://doi.org/10.1007/s10535-012-0284-y <https://doi.org/10.1007/s10535-012-0284-y> Cold hardening and sucrose treatment improve cryopreservation of date palm meristems Fki, Lotfi Bouaziz, Neila Chkir, O. Benjemaa-Masmoudi, Raja Rival, Alain Swennen, Rony Drira, Noureddine Panis, Bart eng 2013 Biologia Plantarum F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 Tunisie http://aims.fao.org/aos/agrovoc/c_8007 Date palm (Phoenix dactylifera L.) cv. Khenizi caulogenic meristems were initiated from achlorophyllous leaves excised from in vitro shoot cultures and then proliferated on a specific culture medium supplemented with 70 g dm-3 sucrose. Regeneration rates obtained when using standard vitrification, droplet-vitrification, and encapsulationvitrification protocols reached 26.7, 60.0, and 40.0 %, respectively. Only explants smaller than 3 mm in diameter were found to survive cryogenic treatments. Sucrose preculture, cold hardening and loading solution pretreatments showed significant effects on regeneration rates. Moreover, our results indicate that both sucrose preculture and cold acclimation of explants increased proline content. Cryopreservation of date palm tissue with high proliferation capacity can directly benefit large scale micropropagation projects. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/568268/1/document_568268.pdf application/pdf Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s10535-012-0284-y 10.1007/s10535-012-0284-y info:eu-repo/semantics/altIdentifier/doi/10.1007/s10535-012-0284-y info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s10535-012-0284-y |
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F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 http://aims.fao.org/aos/agrovoc/c_8007 F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 http://aims.fao.org/aos/agrovoc/c_8007 |
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F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 http://aims.fao.org/aos/agrovoc/c_8007 F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 http://aims.fao.org/aos/agrovoc/c_8007 Fki, Lotfi Bouaziz, Neila Chkir, O. Benjemaa-Masmoudi, Raja Rival, Alain Swennen, Rony Drira, Noureddine Panis, Bart Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
description |
Date palm (Phoenix dactylifera L.) cv. Khenizi caulogenic meristems were initiated from achlorophyllous leaves excised from in vitro shoot cultures and then proliferated on a specific culture medium supplemented with 70 g dm-3 sucrose. Regeneration rates obtained when using standard vitrification, droplet-vitrification, and encapsulationvitrification protocols reached 26.7, 60.0, and 40.0 %, respectively. Only explants smaller than 3 mm in diameter were found to survive cryogenic treatments. Sucrose preculture, cold hardening and loading solution pretreatments showed significant effects on regeneration rates. Moreover, our results indicate that both sucrose preculture and cold acclimation of explants increased proline content. Cryopreservation of date palm tissue with high proliferation capacity can directly benefit large scale micropropagation projects. |
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article |
topic_facet |
F02 - Multiplication végétative des plantes F62 - Physiologie végétale - Croissance et développement Phoenix dactylifera culture de méristème micropropagation callogénèse culture in vitro stockage au froid congélation durcissement régénération in vitro métabolisme des glucides vitrification proline http://aims.fao.org/aos/agrovoc/c_5791 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_24136 http://aims.fao.org/aos/agrovoc/c_27475 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_6484 http://aims.fao.org/aos/agrovoc/c_3091 http://aims.fao.org/aos/agrovoc/c_16185 http://aims.fao.org/aos/agrovoc/c_34114 http://aims.fao.org/aos/agrovoc/c_1299 http://aims.fao.org/aos/agrovoc/c_27625 http://aims.fao.org/aos/agrovoc/c_6223 http://aims.fao.org/aos/agrovoc/c_8007 |
author |
Fki, Lotfi Bouaziz, Neila Chkir, O. Benjemaa-Masmoudi, Raja Rival, Alain Swennen, Rony Drira, Noureddine Panis, Bart |
author_facet |
Fki, Lotfi Bouaziz, Neila Chkir, O. Benjemaa-Masmoudi, Raja Rival, Alain Swennen, Rony Drira, Noureddine Panis, Bart |
author_sort |
Fki, Lotfi |
title |
Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
title_short |
Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
title_full |
Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
title_fullStr |
Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
title_full_unstemmed |
Cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
title_sort |
cold hardening and sucrose treatment improve cryopreservation of date palm meristems |
url |
http://agritrop.cirad.fr/568268/ http://agritrop.cirad.fr/568268/1/document_568268.pdf |
work_keys_str_mv |
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1792498425278758912 |