Untitled

Dobbelaere, Sofie; Croonenborghs, Anja; Thys, Amber; Broek, Ann Vande; Vanderleyden, Jos

doi:10.1023/a:1004658000815

Cited by 413 publications

(74 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, the inoculant doses used in T4 and T7 promoted comparable GNC values to those treatments conducted in the absence of A. brasilense, regardless of the N rate. Authors such as Dobbelaere et al (1999) reported that inoculation with A. brasilense did not impact GNC. However, those authors used a wild bacteria strain, whereas only the strains AbV4, AbV5, AbV6 and AbV7 are the most effective in maize as reported in Hungria et al (2010).…”

Section: Grain N Content (Gnc)mentioning

confidence: 99%

See 1 more Smart Citation

Effects of Azospirillum brasilense on growth and yield compounds of maize grown at nitrogen limiting conditions

et al. 2017

View full text Add to dashboard Cite

A B S T R A C TThis study aimed to evaluate the agronomic performance of different doses of Azospirillum brasilense in peat formulation on maize crop grown under limited N fertilization, using a completely randomized design with four replicates. The treatments tested consisted of absence of N fertilizer, the full N recommendation and a combination of the half of recommended N associated with the inoculation of three doses of A. brasilense in peat formulation (100, 150 or 200 g per 25 kg of seeds). The following variables were evaluated: insertion height of the first ear height, number of kernel per row, number of row per ear, shoot dry biomass, root dry biomass, chlorophyll content, thousand seed weight, grain N content, shoot N content and grain yield. Half the dose of N fertilizer combined with 150 g per 25 kg of seeds of A. brasilense in peat formulation provided significantly superior results in agronomic performance of maize, particularly regarding grain yield, thousand seed weight and dry biomass of both shoot and root.

show abstract

Section: Grain N Content (Gnc)mentioning

confidence: 99%

“…Under lower level of oxygen, the bacterium realized high N fixation rate, however it could also improve productivity through the excretion of hormones such as auxin, which induces the propagation of roots and thus, intensifying plant nutrient absorption (Döbereiner and Day, 1976;Tien et al, 1979;Dobbelaere et al, 1999).…”

Section: Grain Yield (Gy)mentioning

confidence: 99%

Effects of Azospirillum brasilense on growth and yield compounds of maize grown at nitrogen limiting conditions

et al. 2017

View full text Add to dashboard Cite

show abstract

“…However, many plant-associated soil bacteria are also known to synthesise auxin, in particular IAA, and this could be part of a strategy to manipulate the growth of host plants (Spaepen et al 2007). Auxin synthesis has been demonstrated in non-symbiotic plant growth-promoting bacteria (Dobbelaere et al 1999), in symbiotic nitrogen-fixing cyanobacteria (Sergeeva et al 2002), in the actinomycete Frankia (Wheeler et al 1984) and in rhizobia (Kefford et al 1960). The exudation of various compounds from plants has been shown to stimulate IAA synthesis in bacteria.…”

Section: Importance Of Auxin Synthesis By the Microsymbiontmentioning

confidence: 99%

Auxin: at the root of nodule development?

Mathesius

2008

Functional Plant Biol.

139

View full text Add to dashboard Cite

Abstract. Root nodules are formed as a result of an orchestrated exchange of chemical signals between symbiotic nitrogen fixing bacteria and certain plants. In plants that form nodules in symbiosis with actinorhizal bacteria, nodules are derived from lateral roots. In most legumes, nodules are formed de novo from pericycle and cortical cells that are re-stimulated for division and differentiation by rhizobia. The ability of plants to nodulate has only evolved recently and it has, therefore, been suggested that nodule development is likely to have co-opted existing mechanisms for development and differentiation from lateral root formation. Auxin is an important regulator of cell division and differentiation, and changes in auxin accumulation and transport are essential for lateral root development. There is growing evidence that rhizobia alter the root auxin balance as a prerequisite for nodule formation, and that nodule numbers are regulated by shoot-to-root auxin transport. Whereas auxin requirements appear to be similar for lateral root and nodule primordium activation and organ differentiation, the major difference between the two developmental programs lies in the specification of founder cells. It is suggested that differing ratios of auxin and cytokinin are likely to specify the precursors of the different root organs.

show abstract

“…Dobbelaere et al (1999) e Bashan et al (2006), no entanto, apontaram uma melhor absorção de N em plântulas inoculadas, uma vez que as auxinas excretadas pela bactéria na associação simbiótica com a planta, resulta em aumento dos pelos radiculares.…”

unclassified

Rendimento do trigo (Triticum aestivum) em resposta a diferentes modos de inoculação com Azospirillum brasilense

Pereira

Braccini²,

Garcia³

et al. 2017

Rev. Ciênc. Agr.

View full text Add to dashboard Cite

R E S U M OO objetivo do presente trabalho foi avaliar a eficiência agronómica de diferentes dosagens e modos de aplicação (via sementes, aplicação foliar e no sulco de sementeira) da forma líquida de um inoculante à base de Azospirillum brasilense nos componentes da produtividade da cultura do trigo. As seguintes características agronómicas foram avaliadas: número de perfilhos por planta, número de grãos por espiga, massa seca da parte aérea, peso médio de mil grãos, peso do hectolitro, teor de N no grão, teor de N, P e K na massa seca da parte aérea e produtividade de grãos. Os resultados obtidos permitiram concluir que a utilização de metade da dose de N, associada à aplicação de A. brasilense na forma líquida, independentemente do método de inoculação, proporcionaram resultados benéficos ao rendimento da cultura, quando comparada com a aplicação isolada de metade da dose de N. A aplicação de A. brasilense via tratamento de sementes com a dose total de N em cobertura, no entanto, foi a combinação que proporcionou o maior incremento da produtividade de grãos. Palavras-chave: Triticum aestivum, Azospirillum brasilense, inoculação, rendimento. A B S T R A C TThe aim of this study was to evaluate the efficiency of inoculation techniques (seed treatment, in-furrow application and foliar spray) with Azospirillum brasilense on the agronomic performance and yield response of wheat. At the point of harvest, the number of seeds per ear, the thousand-seed mass, the hectoliter weight, the shoot dry matter, the N, P and K content of shoot dry matter, the grain N content, and the grain yield were evaluated. Regardless of the inoculation technique, at half the dose of N fertilizer combined with A. brasilense in liquid formulation, provided significantly superior results in agronomic performance compared to the treatment in which only the half the dose of N fertilizer was used. However, it is inferred that seed inoculation with A. brasilense associated with full nitrogen fertilization showed the highest increase in wheat development and grain yield.

show abstract

Untitled

Cited by 413 publications

References 28 publications

Effects of Azospirillum brasilense on growth and yield compounds of maize grown at nitrogen limiting conditions

Effects of Azospirillum brasilense on growth and yield compounds of maize grown at nitrogen limiting conditions

Auxin: at the root of nodule development?

Rendimento do trigo (Triticum aestivum) em resposta a diferentes modos de inoculação com Azospirillum brasilense

Contact Info

Product

Resources

About