Abstract
Studies on co-inoculation of strains with high symbiotic potential, as well as the use of humic substances are of great importance for obtaining increases in nodulation, biological nitrogen fixation and yield of the bean crop. Thus, this study aimed to evaluate the effects of the co-inoculation of Rhizobium tropici and Azospirillum brasilense in association with humic acids and nitrogen (N) on the behavior of different bean genotypes, cultivated in a protected environment. The experiment was carried out at the Federal Institute of Education, Science and Technology of Rondônia, Campus of Colorado do Oeste-RO, Brazil, from February to April 2015. The experimental design was completely randomized, with four replicates. Common bean seeds of the cultivars ‘Pérola’ and ‘BRS Esplendor’ were previously co-inoculated with Azospirillum brasilense and Rizhobium tropici. Shoot dry matter production in the cultivar ‘Pérola’ increased by 76.12% when co-inoculated with rhizobacteria. N use efficiency in the bean cultivar ‘Pérola’ is higher when co-inoculated with Azospirillum brasilense and Rizhobium tropici, confirming that co-inoculation alone is sufficient to provide the N necessary for plant development. Key words: Phaseolus vulgaris L., Rhizobium tropici, Azospirillum brasilense, biological N fixation (BNF).
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Claims 3
Claim · model-written summary
Rhizobacterial co-inoculation increased shoot dry matter production in Pérola by 76.12%.
- Taxon
- common bean
Phaseolus vulgarist0 - Material
- ‘Pérola’e0
- Treatment
- co-inoculated with rhizobacteriae0
- Outcome
- Shoot dry matter productione0
- Direction
- increasede0
- Value
- 76.12%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot dry matter production in the cultivar ‘Pérola’ increased by 76.12% when co-inoculated with rhizobacteria.”
t0“common bean development”
Claim · model-written summary
Co-inoculation with Azospirillum brasilense and Rizhobium tropici increased nitrogen use efficiency in Pérola.
- Taxon
- beane0
- Material
- ‘Pérola’e0
- Treatment
- co-inoculated with Azospirillum brasilense and Rizhobium tropicie0
- Interactor
- Azospirillum brasilense
Azospirillum brasilensee0symbiont - Second interactor
- Rizhobium tropicie0symbiont
- Outcome
- N use efficiencye0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N use efficiency in the bean cultivar ‘Pérola’ is higher when co-inoculated with Azospirillum brasilense and Rizhobium tropici”
Claim · model-written summary
The authors conclude that co-inoculation alone supplies enough nitrogen for bean development.
Verbatim
e0“confirming that co-inoculation alone is sufficient to provide the N necessary for plant development.”
t0“common bean development”
The same questions in other papers
inoculation · yield · Phaseolus vulgaris (common bean)Positive and negative results
152 papers in the same direction as this paper · 36 in the opposite direction · 6 reporting no difference from an alternative
- negative
- no effect
- negative
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See all 195 papers →inoculation · nutrient: efficiency · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.