ElmeskaouiDamontPoulinEtAl1995

Référence

Elmeskaoui, A., Damont, J.P., Poulin, M.J., Piche, Y., Desjardins, Y. (1995) A Tripartite Culture System for Endomycorrhizal Inoculation of Micropropagated Strawberry Plantlets in-Vitro. Mycorrhiza, 5(5):313-319.

Résumé

The objective of the current investigation was to develop a reliable method to obtain vesicular-arbuscular mycorrhizae (VAM) in micropropagated plantlets and to determine their influence on growth, An in vitro system for culturing the VA mycorrhizal fungus Glomus intraradices with Ri T-DNA-transformed carrot roots or nontransformed tomato roots was used in this study as a potential active source of inoculum for the colonization of micropropagated plantlets. After root induction, micropropagated plantlets grown on cellulose plugs (sorbarod) were placed in contact with the primary mycorrhizae in growth chambers enriched with 5000 ppm CO2 and fed with a minimal medium. After 20 days of tripartite culture, all plantlets placed in contact with the primary symbiosis were colonized by the VAM fungus. As inoculum source, 30-day-old VA mycorrhizal transformed carrot roots had a substantially higher infection potential than 5-, 10- or 20-day-old VAM. Colonized plantlets had more extensive root systems and better shoot growth than control plants. The VAM symbiosis reduced the plantlet osmotic potential. This response may be a useful pre-adaptation for plantlets during transfer to the acclimatization stage.

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@ARTICLE { ElmeskaouiDamontPoulinEtAl1995,
    AUTHOR = { Elmeskaoui, A. and Damont, J.P. and Poulin, M.J. and Piche, Y. and Desjardins, Y. },
    TITLE = { A Tripartite Culture System for Endomycorrhizal Inoculation of Micropropagated Strawberry Plantlets in-Vitro },
    JOURNAL = { Mycorrhiza },
    YEAR = { 1995 },
    VOLUME = { 5 },
    PAGES = { 313-319 },
    NUMBER = { 5 },
    NOTE = { Times Cited: 15 Article English Cited References Count: 50 Rr108 },
    ABSTRACT = { The objective of the current investigation was to develop a reliable method to obtain vesicular-arbuscular mycorrhizae (VAM) in micropropagated plantlets and to determine their influence on growth, An in vitro system for culturing the VA mycorrhizal fungus Glomus intraradices with Ri T-DNA-transformed carrot roots or nontransformed tomato roots was used in this study as a potential active source of inoculum for the colonization of micropropagated plantlets. After root induction, micropropagated plantlets grown on cellulose plugs (sorbarod) were placed in contact with the primary mycorrhizae in growth chambers enriched with 5000 ppm CO2 and fed with a minimal medium. After 20 days of tripartite culture, all plantlets placed in contact with the primary symbiosis were colonized by the VAM fungus. As inoculum source, 30-day-old VA mycorrhizal transformed carrot roots had a substantially higher infection potential than 5-, 10- or 20-day-old VAM. Colonized plantlets had more extensive root systems and better shoot growth than control plants. The VAM symbiosis reduced the plantlet osmotic potential. This response may be a useful pre-adaptation for plantlets during transfer to the acclimatization stage. },
    KEYWORDS = { micropropagation glomus intraradices strawberry vesicular-arbuscular mycorrhizae (vam) vesicular-arbuscular mycorrhizae va-mycorrhizal growth fungi infection invitro propagation transport symbiosis asparagus },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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