Inoculação com cepas de rizóbio na cultura do feijoeiro

Ferreira, Paulo Ademar Avelar; Silva, Michele Aparecida Pereira; Cassetari, Alice de Souza; Ruffini, Márcia; Moreira, Fátima Maria de Souza; Andrade, Messias J. B. de

doi:10.1590/s0103-84782009000700041

Cited by 23 publications

(31 citation statements)

References 4 publications

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“…However, the isolates JPrG10A6, JPrG8A3, JPrG6A8, NVSG2A2, NVSG7A7, PCG2A5, UbALG7A7 and, UnPaG8A1 of R. tropici, and the standard strains CIAT 899, PRF 81, and H12 obtained greater GY compared with other treatments (Table 2). Ferreira et al (2009) found that the inoculated treatments promoted GY similar to the treatment with 80 Kg N ha -1 . Brito et al (2015) on the other hand, found that the treatments using different Rhizobium spp.…”

Section: Effect Of the Treatments On Nodulation And Productivity Of Tmentioning

confidence: 62%

Nodulation, contribution of biological N2 fixation, and productivity of the common bean (Phaseolus vulgaris L.) inoculated with rhizobia isolates

Moreira¹,

Oliveira²,

Ferreira³

2017

Aust J Crop Sci

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The common bean has a great economic, social, and nutritional importance and requires high levels of nitrogen for its cultivation. The plant in symbiosis with rhizobia bacteria can benefit from biological nitrogen fixation (BNF). To assess the agronomic efficacy of rhizobia isolates on the nodulation, contribution of BNF and productivity of the common bean, two experiments were conducted in separate locations. Seventeen Rhizobium tropici isolates were selected and compared with three commercial Rhizobium spp. strains: CIAT 899 and H12 (R. tropici) and PRF 81 (R. freirei). The variables analyzed were: number of nodules (NN), nodules dry weight (NDW), root dry weight (RDW), leaf area (LA), shoot dry weight (SDA), total nitrogen in shoots (Total-N), number of pods (NP), number of grains (NG), grain yield (GY), percentage of nitrogen derived from BNF (Ndfa%), and total nitrogen derived from BNF in the shoots (NdBNF). Inoculation with R. tropici isolates promoted significant gains in nodulation, growth, and productivity of the common bean. About 50% of the isolates promoted GY rates equal to or superior to the nitrogen treatment (NT) and to the standard strains CIAT 899, PRF 81, and H12. Among the best isolates, the Ndfa% ranged from 64.2% to 75.8%, with NdBNF ranging from 802.91 to 1037.56 mg plant -1 . The isolate JPrG10A6 of Rhizobium tropici provided high values of NdBNF and GY, showing great potential to be used commercially as inoculant of the common bean crop.

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Section: Effect Of the Treatments On Nodulation And Productivity Of Tmentioning

confidence: 62%

Nodulation, contribution of biological N2 fixation, and productivity of the common bean (Phaseolus vulgaris L.) inoculated with rhizobia isolates

Moreira¹,

Oliveira²,

Ferreira³

2017

Aust J Crop Sci

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“…The strains UFLA 02-100, UFLA 02-68, UFLA 02-127, and UFLA 04-173 were collected from different environments and soils of the Amazon and have shown high effectiveness in biological nitrogen fixation in common bean, as well as high tolerance to acidity and high Al concentration (Ferreira et al, 2009;2012;Rufini et al, 2011;Oliveira-Longatti et al, 2013;Nogueira et al, 2017 Table 2. Origin, characteristics, and identification of the Rhizobium strains used as inoculants for common bean (Phaseolus vulgaris L.) in the study.…”

Section: Methodsmentioning

confidence: 99%

“…In this respect, studies have been undertaken, showing good results in the field not only with the strain CIAT 899 of Rhizobium tropici, whose symbiotic efficiency is already well known (Graham et al, 1994), but also with strains isolated from acid soils with high Al content from the Amazon (Soares et al, 2006;Ferreira et al, 2009;Nogueira et al, 2017). Studies in regard to the economic viability of inoculation with Rhizobium in common bean, however, are few, but they could assist in choosing the strain to be adopted.…”

Section: Introductionmentioning

confidence: 99%

Acid tolerant Rhizobium strains contribute to increasing the yield and profitability of common bean in tropical soils

Oliveira

Figueiredo

Soares

et al. 2017

J. Soil Sci. Plant Nutr.

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Symbiosis of common bean with nitrogen-fixing bacteria can lead to a reduction in production costs and in environmental impacts. Considering the diversity of soils and climates, it is important to validate bacterial strains under different conditions to consolidate their recommendation as inoculants. Studies concerning the economic viability of Rhizobium inoculation in common bean are few, but they could assist in choosing the strain to be adopted. The aim of this study was to evaluate the performance of Rhizobium strains isolated from acid soils from the Amazon inoculated in seeds of the 'BRSMG Madrepérola' cultivar and to evaluate the economic viability of their use in the field. Four field experiments were conducted in the state of Minas Gerais, Brazil. A randomized block experimental design was used with four replications and seven treatments: inoculation with the strains CIAT 899 (Rhizobium tropici), UFLA 02-100 (R. etli), UFLA 02-68 (R. etli bv. mimosae), UFLA 02-127 (R. leguminosarum bv. phaseoli), and UFLA 04-173 (R. miluonense), plus two controls, one without inoculation + mineral nitrogen (N-urea) at a rate of 80 kg N ha -1 and another without inoculation and without mineral N. The strain CIAT 899 is already recommended for the manufacture of commercial inoculants, and the others, collected in the Amazon region, have proven to be highly effective in biological nitrogen fixation. Symbiosis of common bean with all the strains evaluated leads to satisfactory yields, with reduction in the application rate of mineral nitrogen and in environmental impacts and, consequently, reduction in economic costs, with higher profitability.

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“…Strain UFLA 02-100 was isolated from the state of Rondônia and has been shown to be highly efficient at inoculation in Leonard jars (Pereira et al, 2000) and in soils from the state of Minas Gerais (Soares et al, 2006;Ferreira et al, 2009).…”

Section: Methodsmentioning

confidence: 99%

“…In recent years, an increasing number of studies have demonstrated that bean crops can benefit from BNF under field conditions, provided that the management of the factors related to seed inoculation are improved (Ferreira et al, 2009;Rufini et al, 2011). On the other hand, the application of a small dose of N at planting, together with inoculation with efficient Rhizobium spp.…”

Section: Introductionmentioning

confidence: 99%

<b>Nitrogen and molybdenum fertilization and inoculation of common bean with <i>Rhizobium</i> spp. in two oxisols

et al. 2016

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ABSTRACT. The aim of this study was to evaluate the effects of foliar application of molybdenum and small dose of nitrogen at planting on common bean production when using seed inoculation with rhizobia. Two field experiments were conducted, applying a randomized block design and a factorial arrangement (3x2x2) + 1, with three replicates. Treatments consisted of inoculation with Rhizobium spp. (strain CIAT 899 T , strain UFLA 02-100, and uninoculated), foliar application of molybdenum (0 and 80 g ha applied as topdressing. The foliar application of molybdenum did not favor the nodulation, but its effect on yield was dependent on the chemical soil characteristics, providing highest yield in soil at Patos de Minas with pH more acid and with higher phosphorus and organic matter concentrations. Small dose of nitrogen applied at planting did not reduce nodulation of bean inoculated with rhizobia, but it can reduce the seeds emergence, thus negatively affecting yield. The native rhizobia promoted nodulation, the plant growth, shoot N accumulation and yield similar to the treatments that received inoculations of rhizobia strains.Keywords: Phaseolus vulgaris L., biological nitrogen fixation, nutrients.Adubações nitrogenada e molíbdica e inoculação com Rhizobium spp. no feijoeiro-comum em dois latossolos RESUMO. Objetivou-se avaliar os efeitos da aplicação foliar de molibdênio e do emprego de pequena dose de nitrogênio no plantio sobre a produção do feijoeiro quando se utiliza a inoculação das sementes com rizóbio. Foram conduzidos dois experimentos em campo, em delineamento de blocos ao acaso, esquema fatorial (3x2x2) + 1, com três repetições. Os tratamentos foram inoculação (estirpe CIAT 899 T , estirpe UFLA 02-100 e ausência de inoculação), aplicação foliar de molibdênio (0 e 80 g ha -1) e de nitrogênio na semeadura (0 e 20 kg ha -1 ), mais tratamento adicional com N (40 na semeadura e 40 kg ha -1 na cobertura). A aplicação foliar de molibdênio não favoreceu a nodulação, mas seu efeito sobre o rendimento de grãos foi dependente das características químicas do solo, fornecendo maior produtividade em solo de Patos de Minas, com pH mais ácido e maiores teores de fósforo e matéria orgânica. Pequena dose de nitrogênio no plantio não reduziu a nodulação do feijoeiro inoculado com rizóbio, mas pode reduzir a emergência das sementes, com reflexo negativo na produtividade. Os rizóbios nativos proporcionaram nodulação, crescimento vegetal, acúmulo de nitrogênio na parte aérea e rendimento equivalentes aos tratamentos inoculados com as estirpes de rizóbio. Palavras-chave:Phaseolus vulgaris L., fixação biológica de nitrogênio, nutrientes.

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Inoculação com cepas de rizóbio na cultura do feijoeiro

Abstract: III Inoculação com cepas de rizóbio na cultura do feijoeiroInoculation with rhizobium strains in beans crop RESUMO O presente

Cited by 23 publications

References 4 publications

Nodulation, contribution of biological N2 fixation, and productivity of the common bean (Phaseolus vulgaris L.) inoculated with rhizobia isolates

Nodulation, contribution of biological N2 fixation, and productivity of the common bean (Phaseolus vulgaris L.) inoculated with rhizobia isolates

Acid tolerant Rhizobium strains contribute to increasing the yield and profitability of common bean in tropical soils

<b>Nitrogen and molybdenum fertilization and inoculation of common bean with <i>Rhizobium</i> spp. in two oxisols

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