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Revista Chapingo. Serie horticultura
versión On-line ISSN 2007-4034versión impresa ISSN 1027-152X
Resumen
GONZALEZ-GOMEZ, Homero et al. Growth of ‘Sweet Nufar’ basil (Ocimum basilicum L.) inoculated with arbuscular mycorrhizal fungi and Azospirillum brasilense. Rev. Chapingo Ser.Hortic [online]. 2023, vol.29, n.1, pp.39-52. Epub 04-Dic-2023. ISSN 2007-4034. https://doi.org/10.5154/r.rchsh.2022.03.005.
The use of beneficial microorganisms in agriculture can increase the productivity of agricultural crops; however, there are few studies that consider aromatic plants, such as basil (Ocimum basilicum L.). The aim of this study was to evaluate the growth of 'Sweet Nufar' basil inoculated with arbuscular mycorrhizal fungi (AMF) and Azospirillum brasilense. The treatments tested were: 1) without microorganisms (control), 2) Rizhophagus intraradices, 3) Funneliformis mosseae, 4) AMF consortium, 5) Azospirillum brasilense, 6) R. intraradices + A. brasilense and 7) without microorganisms and irrigated with 100 % Steiner's nutrient solution. Treatments 1 to 6 were irrigated with the same nutrient solution, but at 50 %. Fifty days after transplanting, growth variables, mineral concentration, colonization percentage and number of AMF spores were recorded. The AMF and A. brasilense bacterium increased the fresh biomass weight and leaf area of 'Nufar' basil, which was associated with the highest concentration of nitrogen and potassium in the plant tissue. This implies that the microorganisms evaluated increase the development and growth of basil grown with reduced levels of mineral nutrition, which represents a sustainable alternative in the agronomic management of this crop under greenhouse conditions.
Palabras llave : arbuscular mycorrhizal fungi; growth-promoting bacteria; crop nutrition; inert substrate.