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Revista de Ciências Agrárias

Print version ISSN 0871-018X


MARTINEZ, Fátima et al. Effect of growth media on biological properties in strawberry plants. Rev. de Ciências Agrárias [online]. 2011, vol.34, n.2, pp.181-190. ISSN 0871-018X.

The aim of this research was to study the effect of different growth media on the microbiologic characteristics in rhizosphere of strawberry plants in closed soilless growing systems. We used 3 substrates: composted cork and rice hulls (CC) (1:1 v:v), peat (P) and coir fiber (CF). Chemical variables and microbial community profile of the growth media were evaluated. The CC showed a higher pH than CF and P. At the beginning and at two and a half months after transplantation, copiotrophic bacteria, Bacillus sp. and oligotrophic actinomycetes were higher in CC than in P. At the beginning and at two and a half months after transplantation fungi were higher in P than in CC.  At two and a half months after transplantation, in CF copiotrophic bacteria, fluorescent Pseudomonas sp. and fungi were higher in rhizosphere than in non-rhizosphere substrate.

Keywords : biological control; soilless growing systems.

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