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Maize response to inoculation with strains of plant growth-promoting bactéria AGRIAMBI
Dartora,Janaína; Guimarães,Vandeir F.; Menezes,Cid R. J.; Freiberger,Mariângela B.; Castoldi,Gustavo; Gonçalves,Edilaine. D. V..
ABSTRACT The aim of this study was to evaluate the response of maize to inoculation with strains of plant growth-promoting bacteria (PGPB) in two cultivation years. The experiment was set in a randomized block design with four replicates in two cultivation years (2012/13 and 2013/14). The treatments consisted of PGPB inoculation: control (without N and without inoculation); 30 kg of N ha-1 at sowing (N1); 160 kg of N ha-1 (N1 + 130 kg of N ha-1 as top-dressing); N1 + A. brasilense, Ab-V5; N1 + A. brasilense, HM053; N1 + Azospirillum sp. L26; N1 + Azospirillum sp. L27; N1 + Enhydrobacter sp. 4331; N1 + Rhizobium sp. 8121. Basal stem diameter, plant height, leaf area, shoot dry matter and yield were evaluated. The strain of Rhizobium sp. 8121and the isolate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays L.; Azospirillum sp.; Rhizobium sp.; Phytohormones.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000700606
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Optimization of culture conditions for exopolysaccharides production in Rhizobium sp. using the response surface method Electron. J. Biotechnol.
Pereira Duta,Flávia; Pessôa de França,Francisca; de Almeida Lopes,Léa Maria.
The combined effects of the processing parameters for exopolysaccharides production by Rhizobium sp. was studied using the experimental design and response surface methodology. The experiments were carried out using a fermenter with 20 L capacity, as the reactor. All processing parameters were online monitored. The temperature [(30 ± 1)ºC] and pH value (7.0 ± 0.1) were kept constant throughout the experimental time. As statistical tools, a complete 2³ factorial planning with central point and response surface were used to study the interactions among three relevant variables of the fermentation process: calcium carbonate concentration, aeration and agitation. The processing parameters setup for reaching a maximum response for...
Tipo: Journal article Palavras-chave: Exopolysaccharides; Experimental design; Response surface method; Rhizobium sp..
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000400007
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Plant growth-promoting bacteria associated with nitrogen fertilization at topdressing in popcorn agronomic performance Bragantia
Spolaor,Leandro Teodoski; Gonçalves,Leandro Simões Azeredo; Santos,Odair José Andrade Pais dos; Oliveira,André Luiz Martinez de; Scapim,Carlos Alberto; Bertagna,Filipe Augusto Bengosi; Kuki,Mauricio Carlos.
ABSTRACT The use of plant growth-promoting bacteria is a promising alternative with low environmental impact to increase the efficiency of use of chemical fertilizers, ensuring high yield with better cost-effective ratio. In maize crops, several studies have demonstrated an increased yield when Azospirillum-based inoculants are used. In the case of popcorn, there are no available studies related to use of inoculation and its response on yield parameters. Thus, the aim of this study was to evaluate the field performance of popcorn when inoculated with the commercial product Masterfix L (A. brasilense Ab-V5 and A. brasilense Ab-V6) and the non-commercial inoculant UEL (A. brasilense Ab-V5 + Rhizobium sp. 53GRM1) associated with nitrogen fertilization. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Azospirillum brasilense; Rhizobium sp.; Inoculants; Grain yield.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052016000100033
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