Abstract
Background and Objective: Arbuscular mycorrhizal fungi (AMF) and rhizobia stimulated biological N-fixing in leguminous plants. This work was aimed to analyze the effects of single and dual inoculation with AMF and rhizobia on growth and mineral nutritional acquisition (especially N) in white clover (Trifolium repens L.). Materials and Methods: An arbuscular mycorrhizal fungus Rhizoglomus intraradices and a rhizobia Rhizobium trifolii were inoculated into rhizosphere of potted white clover and plant growth, soluble sugar, soluble protein, leghemoglobin, mineral nutrition and soil glomalin concentrations were analyzed after 100 days of inoculations. Results: Rhizobium trifolii inoculation positively promoted root mycorrhizal colonization. Single AMF or rhizobia treatment significantly increased the number of stolon joints and root biomass, which was related with symbiont-stimulated increases of soluble sugar and soluble protein. A higher root leghemoglobin concentration was found in -AMF+Rh plants than in non-inoculated plants. The AMF or rhizobia inoculation mainly promoted leaf nutrition acquisition including N. Conclusion: So, it was concluded that AMF and rhizobia jointly stimulated plant growth, root soluble sugar and soluble protein accumulation in white clover, while AMF did not show a cooperative effect on N fixation of rhizobia.
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Claims 9
Claim · model-written summary
Rhizobium trifolii inoculation promoted root mycorrhizal colonization.
- Treatment
- Rhizobium trifolii inoculatione0
- Interactor
- Rhizobium trifolii
Rhizobium leguminosarume0symbiont - Outcome
- root mycorrhizal colonizatione0
- Direction
- promotede0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rhizobium trifolii inoculation positively promoted root mycorrhizal colonization”
Claim · model-written summary
Single AMF treatment significantly raised stolon joint number and root biomass.
- Treatment
- AMFe0
- Interactor
- AMFe0symbiont
- Outcome
- number of stolon joints and root biomasse0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“Single AMF or rhizobia treatment significantly increased the number of stolon joints and root biomass”
Claim · model-written summary
Single rhizobia treatment significantly raised stolon joint number and root biomass.
- Treatment
- rhizobiae0
- Interactor
- rhizobiae0symbiont
- Outcome
- number of stolon joints and root biomasse0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“Single AMF or rhizobia treatment significantly increased the number of stolon joints and root biomass”
Claim · model-written summary
Symbiont-associated growth increases were related to soluble sugar and protein increases.
Not reportedTaxon
Verbatim
e0“which was related with symbiont-stimulated increases of soluble sugar and soluble protein”
Claim · model-written summary
Rhizobia without AMF gave higher root leghemoglobin than no inoculation.
- Treatment
- -AMF+Rhe0
- Outcome
- root leghemoglobin concentratione0
- Direction
- highere0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“A higher root leghemoglobin concentration was found in -AMF+Rh plants than in non-inoculated plants”
Claim · model-written summary
AMF inoculation promoted leaf nutrient uptake including N.
- Treatment
- AMFe0
- Interactor
- AMFe0symbiont
- Outcome
- leaf nutrition acquisition including Ne0
- Direction
- promotede0
Not reportedTaxonComparator
Verbatim
e0“The AMF or rhizobia inoculation mainly promoted leaf nutrition acquisition including N”
Claim · model-written summary
Rhizobia inoculation promoted leaf nutrient uptake including N.
- Treatment
- rhizobiae0
- Interactor
- rhizobiae0symbiont
- Outcome
- leaf nutrition acquisition including Ne0
- Direction
- promotede0
Not reportedTaxonComparator
Verbatim
e0“The AMF or rhizobia inoculation mainly promoted leaf nutrition acquisition including N”
Claim · model-written summary
Combined AMF and rhizobia stimulated white clover growth and root sugar and protein accumulation.
- Taxon
- white clover
Trifolium repense0 - Treatment
- AMF and rhizobiae0
- Interactor
- AMFe0symbiont
- Second interactor
- rhizobiae0symbiont
- Outcome
- plant growth, root soluble sugar and soluble protein accumulatione0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AMF and rhizobia jointly stimulated plant growth, root soluble sugar and soluble protein accumulation in white clover”
Claim · model-written summary
AMF did not cooperatively enhance rhizobial N fixation.
- Treatment
- AMFe0
- Interactor
- rhizobiae0symbiont
- Second interactor
- AMFe0symbiont
- Outcome
- N fixation of rhizobiae0
- Direction
- did not show a cooperative effecte0
Not reportedTaxonComparator
Verbatim
e0“AMF did not show a cooperative effect on N fixation of rhizobia”
The same questions in other papers
mycorrhiza · molecular: expression · Trifolium repens (white clover)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.