Response of the grapevine rootstock Richter 110 to inoculation with native and selected arbuscular mycorrhizal fungi and growth performance in a replant vineyard |
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Authors: | Amelia Camprubí Victoria Estaún Amaia Nogales Francesc García-Figueres Marta Pitet Cinta Calvet |
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Affiliation: | (1) Institute of Agro-Food Research and Technology (IRTA), Ctra. de Cabrils s/n, 08348 Cabrils, Barcelona, Spain;(2) Departament de Agricultura, Alimentació i Acció Rural, Lab. Sanitat Vegetal, Generalitat de Catalunya, 08040 Barcelona, Spain |
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Abstract: | Two indigenous arbuscular mycorrhizal (AM) fungi from the Mediterranean wine growing area in the Northeast of Spain were isolated and classified as Glomus intraradices Schenck & Smith. Both native fungi were found to increase the growth of the vine rootstock 110 Richter under greenhouse conditions compared with G. intraradices (BEG 72) and a phosphorus (P) fertilization treatment. The effectivity of field inoculation of Cabernet Sauvignon plants grafted on Richter 110 with the former native fungi and with G. intraradices BEG 72 in a replant vineyard severely infested by the root-rot fungus Armillaria mellea (Vahl ex Fr.) Kummer was assessed. The native fungi were not effective at enhancing plant development, and only G. intraradices BEG 72, resulted in a positive response. Field inoculation with this selected fungus increased plant shoot dry weight at the end of the first growing season. |
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Keywords: | Armillaria Glomus intraradices Isolation Molecular characterization |
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