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metadata.artigo.dc.title: Beneficial effects of inoculation of growth-promoting bacteria in strawberry
metadata.artigo.dc.creator: Andrade, Fernanda Marcondes de
Pereira, Thiago de Assis
Souza, Thiago Pereira
Guimarães, Paulo Henrique Sales
Martins, Adalvan Daniel
Schwan, Rosane Freitas
Pasqual, Moacir
Dória, Joyce
metadata.artigo.dc.subject: Plant growth-promoting bacteria
metadata.artigo.dc.publisher: Elsevier 2019
metadata.artigo.dc.identifier.citation: ANDRADE, F. M. de et al. Beneficial effects of inoculation of growth-promoting bacteria in strawberry. Microbiological Research, [S.l.], v. 223/225, p. 120-128, June/Aug. 2019.
metadata.artigo.dc.description.abstract: Plant growth-promoting bacteria have been highlighted by their potential for application in plant production, allowing the reduction of the use of fertilizers and pesticides, which is due to the ability to stimulate the growth of plants by nitrogen-fixation and production of phytohormones, such as indole-3-acetic acid (IAA). The objective of this study was to verify the potential of plant growth promotion of 25 wild isolates from the Agricultural Microbiology Culture Collection of the Federal University of Lavras (CCMA-UFLA) through the evaluation of the biological nitrogen-fixation capacity and the production of IAA. In addition, the growth of three selected strains inoculated on roots of strawberry seedlings in greenhouse conditions was evaluated. The experiment was conducted in a completely randomized design (CRD), with an 8 × 2 factorial schemes involving eight combinations of bacteria: alone, in pairs and threes, plus the control without inoculation. Two fertilizer levels were used (0% and 50% of nitrogen), totaling 16 treatments with eight replicates each. After 75 days, variables such as root length, root dry weight, aerial part length, aerial part dry weight, leaf number, total dry mass and ultrastructural analysis of the inoculated and uninoculated roots, were evaluated. The results showed that the strawberry crop responded positively to inoculation with the three bacteria combined Azospirillum brasilense (Ab-V5) + Burkholderia cepacia (CCMA 0056) + Enterobacter cloacae (CCMA 1285) compared to the uninoculated controls. More expressive responses in terms of plant growth were observed in relation to the combined inoculation of the three bacterial strains plus fertilizer application with 50% of nitrogen.
metadata.artigo.dc.language: en_US
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