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PLoS One. 2012;7(5):e38122. doi: 10.1371/journal.pone.0038122. Epub 2012 May 31.

Rhizobium promotes non-legumes growth and quality in several production steps: towards a biofertilization of edible raw vegetables healthy for humans.

Author information

1
Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain.

Abstract

The biofertilization of crops with plant-growth-promoting microorganisms is currently considered as a healthy alternative to chemical fertilization. However, only microorganisms safe for humans can be used as biofertilizers, particularly in vegetables that are raw consumed, in order to avoid sanitary problems derived from the presence of pathogenic bacteria in the final products. In the present work we showed that Rhizobium strains colonize the roots of tomato and pepper plants promoting their growth in different production stages increasing yield and quality of seedlings and fruits. Our results confirmed those obtained in cereals and alimentary oil producing plants extending the number of non-legumes susceptible to be biofertilized with rhizobia to those whose fruits are raw consumed. This is a relevant conclusion since safety of rhizobia for human health has been demonstrated after several decades of legume inoculation ensuring that they are optimal bacteria for biofertilization.

PMID:
22675441
PMCID:
PMC3364997
DOI:
10.1371/journal.pone.0038122
[Indexed for MEDLINE]
Free PMC Article

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