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Arbuscular-mycorrhizal contributes to alleviation of salt damage in Cassava clones

AuthorsCarretero Montero, C. L.; Cantos, Manuel ; García Fernández, José Luis ; Azcón González de Aguilar, Rosario; Troncoso de Arce, Antonio
Glomus intraradices
Salt stress
Issue DateMay-2008
PublisherTaylor & Francis
CitationJournal of Plant Nutrition 31(5): 959–971 (2008)
AbstractThis study determined how arbuscular-mycorrhizal (AM) colonization by Glomus intraradices affected plant biomass and salt tolerance (in terms of growth) of three cassava clones (SOM-1, 05, and 50). Survival, root, stem and leaf production, and nutrient accumulation were determined in AM-inoculated and non-inoculated cassava clones under a range of sodium chloride (NaCl) levels (0, 68.4, or 136.8 mM) in the medium. The AM colonization stimulated plant growth and increased survival at 136.8 mM of salt. Clone SOM-1 showed to be the most salt tolerant of the three clones tested. G. intraradices-inoculation was important not only for growth promotion, but also played a crucial role in protecting cassava clones against salt (particularly the most salt sensitive clones). Mycorrhizal clones growing under 136.8 mM of NaCl showed greater dry weight than non-mycorrhizal clones growing without salt. Results show that AM-colonization provides a biological mechanism by which cassava clones increased plant biomass and salt tolerance being required for the best cassava clone development under non-stress and stress conditions.
Description13 pages, 8 tables, 32 references.
Publisher version (URL)http://dx.doi.org/10.1080/01904160802043296
Appears in Collections:(IRNAS) Artículos
(EEZ) Artículos
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