The Co-inoculation of Rhizobium and Bradyrhizobium Increases the Early Nodulation and Development of Common Beans

Carvalho, Rita Hilário de; Jesus, Ederson da Conceição; Favero, Vinício Oliosi; Straliotto, Rosângela; Araújo, Adelson Paulo

doi:10.1007/s42729-020-00171-8

Cited by 18 publications

(11 citation statements)

References 21 publications

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“…Studies show that co-inoculation can produce a multiple effect, with superior productivity results when compared to inoculation techniques performed alone (Hungria et al 2013, Carvalho et al 2020Pastor-Bueis et al 2021). In bean crop, it has been shown that co-inoculation of Rhizobium and Azospirillum can increase the amount of aerial part dry mass, nodule dry mass, root dry mass, fixed N and grain yield (CARDOSO e FERREIRA, 2021).…”

Section: Nitrogen Analysismentioning

confidence: 99%

Evaluation of Water Stress and Co-Inoculation of Azospirillum Brasilense and Rhizobium Tropici in Beans (Phaseolus Vulgaris L.)

Silva¹

2022

ArqVet

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Climate change has caused major changes in abiotic factors, with water stress as the greatest threat to agricultural production. The measures aimed at alleviating the problems caused by this limiting production factor have occurred through the adoption of sustainable strategies, especially microbial biotechnology, which uses the interactions between the microorganism and the plant, ensuring productive quality and inducing plant resistance to stresses biotic and abiotic. The objective of the present work was to evaluate the biological nitrogen fixation and the development of bean seedlings, with co-inoculation of two types of inoculants, which were subjected to water stress by different pot capacities. The experiment was conducted in a greenhouse, at Universidade Paranaense - UNIPAR, from April to June 2019. The experimental design was completely randomized (DIC), with 5 replications, 16 treatments and 80 experimental units. The cultivar used was SCS Riqueza. The parameters evaluated were pot capacity (25%, 50%, 75% and 90%); small, large and total nodules, shoot and root length, dry and fresh weight, total carbon and nitrogen. The evaluation of the morphological parameters of the bean seedlings indicated that the co-inoculation technique promoted beneficial effects for the dry mass parameters of shoot, nodule and root. The analysis of the percentage of carbon and nitrogen in the tissues of the seedlings provided an increase in the concentration of these elements in treatments that involved co-inoculation (Azospirillum brasilensis and Rhizobium tropici) with pot capacities of 25 and 75% (CV), demonstrating that the association of microorganisms is beneficial in the limiting water situation.

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Section: Nitrogen Analysismentioning

confidence: 99%

Evaluation of Water Stress and Co-Inoculation of Azospirillum Brasilense and Rhizobium Tropici in Beans (Phaseolus Vulgaris L.)

Silva¹

2022

ArqVet

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“…A inoculação cruzada apresentou número de nódulos similares aos controles na lâmina de 40% denotando a maior eficiência quando é feita a adição de dois inoculantes concomitantemente na semente em ambientes com restrição de água. Em estudo com feijão comum Carvalho et al (2020), encontraram maior número de nódulos na fase pré-floração quando comparado a inoculação cruzada e a inoculação comum. O resultado apontou que a inoculação cruzada apresenta valores similares aos encontrados quando ocorre a coinoculação do rizóbio.…”

Section: Esses Dados Corroboram Comunclassified

“…A coinoculação com bactérias promotoras de crescimento em plantas (BPCP) tem despontado como uma alternativa real para aumentar a eficiência simbiótica e agronômica das bactérias fixadoras de nitrogênio devido a maior absorção de nutrientes e água promovido do aumento do sistema radicular, levando à melhora do processo de fixação biológica do nitrogênio (Schossler et al, 2016). A inoculação cruzada, prática de inocular a semente com mais de uma espécie rizobiana, apresenta resultados similares aos encontrados quando o rizóbio é inoculado com BPCP, contribuindo para maior eficiência agronômica do inoculante (Carvalho et al, 2020).…”

Section: Introductionunclassified

Bactérias diazotropicas no crescimento inicial e alterações bioquímicas de Vigna unguiculata sob deficit hídrico

Mésquita

Gomes

Santos

et al. 2020

RSD

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O cultivo do feijão caupi vem se destacando por ser uma cultura adaptável para a região árida e semi-árida do Nordeste brasileiro. Dentre os fatores que reduzem a sua produção, o déficit hídrico e a adubação, tem destaque. Devido a sua capacidade de realizar simbiose com bactérias noduladoras, poderá optimizar a fixação do N2 atmosférico dependendo da combinação e compatibilidade das estirpes envolvidas. O objetivo do trabalho foi avaliar a resposta de plantas de feijão-caupi (cultivar BRS Marataoã) sob déficit hídrico inoculadas e coinoculadas com bactérias fixadoras de nitrogênio. O delineamento experimental utilizado foi o inteiramente casualizado em esquema de parcelas subdivididas com dois fatores (4x5), composto por: T1: BR3264 (A); T2: BR85 (B); T3: BR3264+BR85 (C); T4: controle nitrogenado (CN); T5: controle absoluto (CA), associado com as lâminas de água nas seguintes proporções: 100 %, 80%, 60% e 40% da evapotranspiração da cultura (ETc). As análises foram realizadas aos 45 dias após a emergência (DAE) e compostas de parâmetros filotécnicos (número de folhas, altura da planta, diâmetro do caule, clorofila a, b e total) e bioquímicos (teores de açúcares solúveis totais, açúcares redutores, e prolina). Os resultados obtidos demonstraram que o déficit hídrico ocasionou influência negativa no número de folhas, no diâmetro do caule, na altura das plantas, na clorofila A, na massa seca da parte aérea e na inoculação. A inoculação das cepas de rizóbio é reduzida quando submetida a plantas com estresse hídrico, se sobressaindo cepas nativas. Sendo que a inoculação cruzada favorece a inoculação nessas condições.

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“…Biological nitrogen fixation (BNF) is a process that can contribute to the improvement of economic and environmental aspects related to N supply to common bean plants. Several studies show the possibility of using this technology as a substitute for N-fertilizers (Chueire et al 2013;Soares et al 2016;Mercante et al 2017), especially the co-inoculation of Rhizobium and other microorganism (Souza and Ferreira 2017;Carvalho et al 2020). Therefore, the elimination and/ or reduction of N-fertilizer use would result in advantages for the producer and the environment (Oliveira et al 2017), in addition to making the common bean more competitive with other crops.…”

Section: Introductionmentioning

confidence: 99%

Productivity and Economics of Inoculated Common Bean as Affected by Nitrogen Application at Different Phenological Phases

Sousa

Oliveira

Damin

et al. 2020

J Soil Sci Plant Nutr

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Nitrogen fertilizers are widely used on the cultivation of common bean in Brazil, affecting the production cost and the environment. Biological nitrogen fixation (BNF) can reduce the negative impacts related to N supply. This work aimed to evaluate the agroeconomic response of the inoculated common to N-fertilizer topdressing at different phenological phases of the common bean. N-fertilizer in a total of 90 kg ha −1 was applied in the form of urea at 3 phases: planting (P), phenological phase V4 (V4), and phenological phase R5 (R5) of the common bean, in two field experiments. The used treatments were P 0 V4 0 R5 0 , P 0 V4 45 R5 45 , P 0 V4 90 R5 0 , P 0 V4 0 R5 90 , P 30 V4 30 R5 30 , P 30 V4 60 R5 0 , P 30 V4 0 R5 60 , P 60 V4 30 R5 0 , P 60 V4 0 R5 30 , and P 90 V4 0 R5 0. All treatments were inoculated with peat inoculum containing the commercial strain SEMIA 4077 (Rhizobium tropici). The number of nodules (NN), nodule dry mass (NDM), leaf area index (LAI), root dry mass (RDM), shoot dry mass (SDM), grain yield (GY), production cost (PC), gross revenue (GR), net revenue (NR), and benefit-cost ratio (BCR) were determined. N-fertilizer splitting at any dose and phenological phase decreased NN and NDM. N-fertilizer treatments provided higher LAI and SDM compared with the inoculated treatment (P 0 V4 0 R5 0). Inoculated treatment presented higher GY and lower PC, resulting in greater NR and BCR. Inoculation with Rhizobium tropici provided high nodulation to the common bean and increased its GY in 10.2% as compared with N-fertilization, which allowed a 15.8% and 7.8% higher NR and BCR, respectively, than the N-fertilized treatment.

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The Co-inoculation of Rhizobium and Bradyrhizobium Increases the Early Nodulation and Development of Common Beans

Cited by 18 publications

References 21 publications

Evaluation of Water Stress and Co-Inoculation of Azospirillum Brasilense and Rhizobium Tropici in Beans (Phaseolus Vulgaris L.)

Evaluation of Water Stress and Co-Inoculation of Azospirillum Brasilense and Rhizobium Tropici in Beans (Phaseolus Vulgaris L.)

Bactérias diazotropicas no crescimento inicial e alterações bioquímicas de Vigna unguiculata sob deficit hídrico

Productivity and Economics of Inoculated Common Bean as Affected by Nitrogen Application at Different Phenological Phases

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