Abstract
Aluminium being one of the most abundant elements is very toxic for plants causing inhibition of nutrient uptake and productivity. The aim of this study was to evaluate the potential of microbial consortium consisting of arbuscular mycorrhizal fungus (AMF), rhizobia and PGPR for counteracting negative effects of Al toxicity on four pea genotypes differing in Al tolerance. Pea plants were grown in acid soil supplemented with AlCl3 (pHKCl = 4.5) or neutralized with CaCO3 (pHKCl = 6.2). Inoculation increased shoot and/or seed biomass of plants grown in Al-supplemented soil. Nodule number and biomass were about twice on roots of Al-treated genotypes after inoculation. Inoculation decreased concentrations of water-soluble Al in the rhizosphere of all genotypes grown in Al-supplemented soil by about 30%, improved N2 fixation and uptake of fertilizer 15N and nutrients from soil, and increased concentrations of water-soluble nutrients in the rhizosphere. The structure of rhizospheric microbial communities varied to a greater extent depending on the plant genotype, as compared to soil conditions and inoculation. Thus, this study highlights the important role of symbiotic microorganisms and the plant genotype in complex interactions between the components of the soil-microorganism-plant continuum subjected to Al toxicity.
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Claims 7
Claim · model-written summary
Inoculation increased shoot and/or seed biomass of pea plants in Al-supplemented soil.
- Taxon
- Pea
Lathyrus oleraceuse1 - Treatment
- Inoculatione0
- Outcome
- shoot and/or seed biomasse0
- Direction
- increasede0
- Qualifier
- Al-supplemented soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation increased shoot and/or seed biomass of plants grown in Al-supplemented soil”
e1“Pea plants were grown”
Claim · model-written summary
Inoculated Al-treated pea genotypes had about twice the root nodule number and biomass.
- Taxon
- PeaLathyrus oleraceuse1
- Organ / stage
- rootse0
- Treatment
- inoculatione0
- Outcome
- Nodule number and biomasse0
- Direction
- twicee0
- Value
- about twicee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nodule number and biomass were about twice on roots of Al-treated genotypes after inoculation”
e1“Pea plants were grown”
Claim · model-written summary
Inoculation decreased rhizosphere water-soluble Al in Al-supplemented pea genotypes by about 30%.
- Taxon
- PeaLathyrus oleraceuse1
- Treatment
- Inoculatione0
- Outcome
- concentrations of water-soluble Al in the rhizospheree0
- Direction
- decreasede0
- Value
- about 30%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation decreased concentrations of water-soluble Al in the rhizosphere of all genotypes grown in Al-supplemented soil by about 30%”
e1“Pea plants were grown”
Claim · model-written summary
Inoculation improved pea nitrogen fixation under Al stress.
- Taxon
- PeaLathyrus oleraceuse2
- Treatment
- Inoculatione1
- Outcome
- N2 fixatione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improved N2 fixation and uptake of fertilizer 15N and nutrients from soil”
e1“Inoculation decreased concentrations”
e2“Pea plants were grown”
Claim · model-written summary
Inoculation improved uptake of fertilizer 15N and soil nutrients in pea under Al stress.
- Taxon
- PeaLathyrus oleraceuse2
- Treatment
- Inoculatione1
- Outcome
- uptake of fertilizer 15N and nutrients from soile0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improved N2 fixation and uptake of fertilizer 15N and nutrients from soil”
e1“Inoculation decreased concentrations”
e2“Pea plants were grown”
Claim · model-written summary
Inoculation increased water-soluble nutrient concentrations in the pea rhizosphere.
- Taxon
- PeaLathyrus oleraceuse2
- Treatment
- Inoculatione1
- Outcome
- concentrations of water-soluble nutrients in the rhizospheree0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased concentrations of water-soluble nutrients in the rhizosphere”
e1“Inoculation decreased concentrations”
e2“Pea plants were grown”
Claim · model-written summary
Pea genotype explained more variation in rhizosphere microbial community structure than soil conditions or inoculation.
- Taxon
- PeaLathyrus oleraceuse1
- Material
- plant genotypee0
- Outcome
- structure of rhizospheric microbial communitiese0
- Direction
- varied to a greater extente0
- Comparator
- soil conditions and inoculatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The structure of rhizospheric microbial communities varied to a greater extent depending on the plant genotype, as compared to soil conditions and inoculation”
e1“Pea plants were grown”
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inoculation · symbiosis · Lathyrus oleraceus (pea)Results differ
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- negative
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See all 89 papers →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.