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Antoun, Hani; Beauchamp, Chantal J.; Goussard, Nadia; Chabot, R.; Lalande, Roger

doi:10.1023/a:1004326910584

Cited by 373 publications

(46 citation statements)

References 52 publications

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“…Improvements in the uptake of micronutrient in the B. japonicum inoculated pots and the plots in all plant organs over the control are beneficial as apart from improving plant growth and production through atmospheric nitrogen fixation; these minerals can now be available for human taking cowpea in their diet. Similar to our findings, several researchers [11,17,24,25] have reported on the improvements in the nutrient uptake in plants as influenced by rhizobial inoculation. The mechanism by which these minerals are made available for uptake by plant is not well known but several studies have reported on the possible mechanism of increasing availability of these minerals.…”

Section: Discussionsupporting

confidence: 93%

“…It was similarly reported that soil microorganisms such as plant growth promoting rhizobacteria (PGPR) can positively improve plant growth [18] through different mechanisms such as nitrogen fixation and increasing plant water and nutrient uptake [19]. Other work reported by [20,24] showed that soil microorganisms can influence the chemistry of soil by producing iron carrier compound called siderophores which facilitate formation of soluble Fe 3+ complexes which is then reduced by ferric reductases to F 2+ [10] that can be taken by plants. Rhizobium inoculation was also found to increase the concentration of nutrients in the rhizosphere soil, which is consequently associated to the increased uptake of these minerals by plant [26].…”

Section: Discussionmentioning

confidence: 99%

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Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Nyoki¹,

Ndakidemi²

2014

AJPS

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The field and screen house experiments were carried out in the 2013 cropping season to assess the effects of B. japonicum inoculation and phosphorus supplementation on the uptake of micronutrients in the cowpea. The experiment was laid out in a split plot design where the main plots comprised two inoculation treatments (with and without B. japonicum inoculation) and sub plots included four different levels of phosphorus (0, 20, 40, and 80 kg P/ha). The results showed a significant improvement in the uptake of micronutrients in the B. japonicum inoculated treatments over the control. Phosphorus supplementation (40 kg P/ha) also showed a significant increase in the uptake of some micronutrients while decreasing the uptake of Zn in some plant organs. There was also a significant interaction between B. japonicum inoculation and phosphorus in the root uptake of Zn for the field experiment.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Nyoki¹,

Ndakidemi²

2014

AJPS

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“…The increase in AB-DTPA extractable phosphorous in all treatments less or more with a passage of time from day 7 to day 56 may be due to desorption of P from soil particles, dissolution of precipitated mineral P, and mineralization of organic P with a passage of time as reported by Laskar et al (1990), who revealed that P solublization is increased with a passage of time by applying organic fertilizers. Antoun et al (1998) also observed in their study that 54% of rhizobial strains were involved in P solubolization.…”

Section: Npk Uptakementioning

confidence: 78%

“…Rhizobia may improve the supply of insoluble nutrients such as phosphorus (Fatima et al 2006) and iron by producing organic acids, thus making these nutrients easily available for plants uptake (Biswas et al 2000). It kills pathogens by producing antibiotics (Antoun and Provest 2000), HCN (hydrogen cynide) (Antoun et al 1998), and exopolysaccharides (Goyal et al 1986). It improves morphological characteristics of inoculated roots (Biswas 1998), which increase nutrients and water use efficiency (Okon and Kapulnik 1986), mobilization, and efficient uptake of nutrients (Biswas et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Impact of rhizobial inoculum and inorganic fertilizers on nutrients (NPK) availability and uptake in wheat crop

et al. 2016

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Experiments were conducted to evaluate the effect of rhizobial inoculums and inorganic fertilizers on NP availability, soil microbial activity, wheat NPK concentration and uptake. These experiments were consisted of two factors, four inoculums (no, lentil, peas, and chickpeas) and two NPK doses (120:90:60 and 96:72:48 kg ha −1 ). Inoculums significantly increased plant total NPK concentration by 39, 57, and 37%, and their uptake by 66, 86, and 56%, respectively. Peas inoculum was most efficient in wheat NPK concentration and uptake. The interactive effect of inoculums and NPK demonstrated that peas and lentil inoculums with 20% less NPK had statistically better role than full NPK without inoculation. AB-DTPA extractible P and mineral N were progressively increased with incubation periods and exhibited significant differences between inoculated and uninoculated treatments during all incubation intervals for NP except at day 7 for N. Peas inoculum showed maximum mean net NP availability of 131.5 and 3.48 mg kg −1 over 56 d of incubation, respectively. Significantly higher cumulative CO 2 of 1429 mg kg −1 with a net increase of 866 mg kg −1 was recorded for pea's inoculums during 12 d of incubation interval. It is concluded that peas rhizobium could be used as a plantgrowth-promoting rhizobacteria for wheat and other cereal crops.Key words: rhizobial inoculums, inorganic fertilizer, availability, nutrient uptake, wheat.

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“…As possíveis causas disto se devem, segundo Antoun et al (1998), à complexidade das interações envolvidas entre a planta, a bactéria introduzida e os demais componentes da microbiota rizosférica, dentre outros fatores anteriormente citados neste texto.…”

Section: Embora Vários Trabalhos Tenham Demonstradounclassified

HÍBRIDOS DE MILHO INOCULADOS COM Azospirillum brasilense SOB DIFERENTES DOSES DE NITROGÊNIO

CADORE¹,

Netto

REIS³

et al. 2017

RBMS

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RESUMO -Microrganismos do gêneroAzospirillum possuem o potencial de melhorar o desenvolvimento e a produção da cultura do milho. Porém as respostas dos híbridos de milho não são iguais frente à inoculação com estes microrganismos, devido a possível especificidade na interação entre genótipo e microrganismo e os diferentes manejos adotados. Desta forma, objetivou-se com este trabalho avaliar o desenvolvimento e a produtividade de dez híbridos a fim de indicar entre esses híbridos os mais responsivos quando submetidos à inoculação de Azospirillum brasilense e a diferentes doses de nitrogênio em cobertura. Vários caracteres agronômicos foram avaliados como: altura de plantas, altura de inserção da espiga, diâmetro de colmo, teor de clorofila total, tamanho de espiga, número de fileiras da espiga, números de grãos por fileira, massa de 100 grãos e produtividade de grãos. Além dos caracteres agronômicos avaliou-se a atividade da enzima redutase do nitrato em duas diferentes épocas (V4 -V6 e VT). Os híbridos mais produtivos foram o Biogene 7046, Dekalb 310 VT PRO™ e Agroeste 1596 VT PRO™. O incremento das doses de nitrogênio aumentou o diâmetro do colmo, teor de clorofila total, comprimento da espiga, grãos por fileira e a produção de grãos.Palavras-chave: adubação nitrogenada; bactérias diazotróficas; safrinha. MAIZE HYBRIDS INOCULATED WITH Azospirillum brasilense UNDER DIFFERENT DOSES OF NITROGENABSTRACT -Microorganisms of the genus Azospirillum have the potential to improve the development and production of maize. However, the response of corn hybrids is not equal under inoculation with these microorganisms due to the specificity in the interaction between genotype and microorganism and the use of different managements.Thus, the objective of this work was to evaluate the development and productivity of ten hybrids to indicate the most responsive when subjected to inoculation with Azospirillum brasilense and different doses of nitrogen fertilization.Several agronomic characters were evaluate as plant height, ear insertion height, stem diameter, total chlorophyll content, ear size, number of rows grains per ear, number of grains per row, mass of 100 grains and grain yield. In

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Cited by 373 publications

References 52 publications

Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Impact of rhizobial inoculum and inorganic fertilizers on nutrients (NPK) availability and uptake in wheat crop

HÍBRIDOS DE MILHO INOCULADOS COM Azospirillum brasilense SOB DIFERENTES DOSES DE NITROGÊNIO

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Untitled

Cited by 373 publications

References 52 publications

Influence of &lt;i&gt;Bradyrhizobium japonicum&lt;/i&gt; and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Influence of &lt;i&gt;Bradyrhizobium japonicum&lt;/i&gt; and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Impact of rhizobial inoculum and inorganic fertilizers on nutrients (NPK) availability and uptake in wheat crop

HÍBRIDOS DE MILHO INOCULADOS COM Azospirillum brasilense SOB DIFERENTES DOSES DE NITROGÊNIO

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Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)

Influence of <i>Bradyrhizobium japonicum</i> and Phosphorus on Micronutrient Uptake in Cowpea. A Case Study of Zinc (Zn), Iron (Fe), Copper (Cu) and Manganese (Mn)