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Revista de Ciências Agrárias
versão impressa ISSN 0871-018Xversão On-line ISSN 2183-041X
Resumo
CANELLAS-CIFRE, Maria et al. Soil microbiome favors the performance of almond rootstock seedlings in co-cultivation with barrel medic. Rev. de Ciências Agrárias [online]. 2022, vol.45, n.4, pp.441-450. Epub 01-Dez-2022. ISSN 0871-018X. https://doi.org/10.19084/rca.28491.
Soil microbiome influences plant growth and development. Moreover, crop co-cultivation practices have positive impacts on soil microbiome and function. In this study, soil microbiome from an almond field was collected to evaluate its effect on the growth of almond rootstock seedlings planted in pots with or without co-cultivation with Medicago truncatula. Four treatments were established: without legume and without microbiome (A); with legume and without microbiome (B); without legume and with microbiome (C) and with legume and with microbiome (D). After six weeks, no significant differences in culturable bacteria density in bulk soil or rhizospheric soil were found among treatments. Evapotranspiration rate per pot and day and plant growth, measured as increase in plant height per day, showed a similar tendency, with higher values found in non-inoculated plants in the first week of treatment, while, inoculated plants showed the highest values at the end of the experiment. M. truncatula co-cultivation increased pot evapotranspiration only in non-inoculated plants. Taken together these results suggest that the soil microbiome had a specific beneficial effect on the almond rootstock which could have negatively influenced the performance of M. truncatula.
Palavras-chave : Medicago truncatula; microbiome; micronutrients; soil.