Abstract
Arbuscular mycorrhizal fungi (AMF) play a significant role for mine tailing rehabilitation due to their sensitivity towards a range of soil pollutants. This beneficial biological agent can enhance plant tolerance to heavy metal contamination. This study screened indigenous AMF associated with growing indigenous ferns and grasses in the mine tailings for potential use in rehabilitating a 3-decade abandoned mined out area in Mogpog, Marinduque. Pterocarpus indicus Willd. (narra) was used as the host plant to establish mycorrhizal fungi association. Among the treatments, indigenous AMF associated with Ferns 1, 2 and 5 generally improved the height and shoot diameter of the narra seedlings and the effect was comparable with commercially available AMF inoculants, MYKOVAM® and MYKORICH®. The dry weight of the roots and nodules was consistently improved by indigenous AMF from Fern2 and Grass1, which had comparable effect with MYKOVAM® and MYKORICH®. Overall, the total seedling dry matter of narra seedlings was significantly stimulated by AMF, irrespective of isolates’ origin. The mycorrhizal root infection by AMF and number of spores in the soil were all high as compared with the uninoculated control counterpart. Lastly, AMF inoculation induced Cu retention in the roots of the seedlings. Thus the results imply that, the mined out indigenous AMF are potential agents to rehabilitate the abandoned mine tailings in the Philippines.
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Claims 7
Claim · model-written summary
AMF from Ferns 1, 2 and 5 improved narra seedling height and shoot diameter comparably to commercial inoculants.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“indigenous AMF associated with Ferns 1, 2 and 5 generally improved the height and shoot diameter of the narra seedlings and the effect was comparable with commercially available AMF inoculants, MYKOVAM® and MYKORICH®”
Claim · model-written summary
AMF from Fern2 and Grass1 improved narra root and nodule dry weight comparably to commercial inoculants.
- Taxon
- Pterocarpus indicus Willd.
Pterocarpus indicuse0 - Treatment
- indigenous AMF from Fern2 and Grass1e1
- Interactor
- AMFe1symbiont
- Outcome
- dry weight of the roots and nodulese1
- Direction
- improvede1
- Comparator
- MYKOVAM® and MYKORICH®e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“The dry weight of the roots and nodules was consistently improved by indigenous AMF from Fern2 and Grass1, which had comparable effect with MYKOVAM® and MYKORICH®”
Claim · model-written summary
AMF stimulated total dry matter of narra seedlings regardless of isolate origin.
- Taxon
- narrae1
- Treatment
- AMFe1
- Interactor
- AMFe1symbiont
- Outcome
- total seedling dry mattere1
- Direction
- stimulatede1
- Qualifier
- irrespective of isolates’ origine1
Not reportedComparator
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“total seedling dry matter of narra seedlings was significantly stimulated by AMF, irrespective of isolates’ origin”
Claim · model-written summary
AMF inoculation increased mycorrhizal root infection relative to uninoculated controls.
- Taxon
- Pterocarpus indicus Willd.Pterocarpus indicuse0
- Treatment
- AMFe1
- Interactor
- AMFe1symbiont
- Outcome
- mycorrhizal root infectione1
- Direction
- highe1
- Comparator
- uninoculated control counterparte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“The mycorrhizal root infection by AMF and number of spores in the soil were all high as compared with the uninoculated control counterpart”
Claim · model-written summary
AMF spore numbers in soil were high relative to uninoculated controls.
- Taxon
- Pterocarpus indicus Willd.Pterocarpus indicuse0
- Treatment
- AMFe1
- Interactor
- AMFe1symbiont
- Outcome
- number of spores in the soile1
- Direction
- highe1
- Comparator
- uninoculated control counterparte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“The mycorrhizal root infection by AMF and number of spores in the soil were all high as compared with the uninoculated control counterpart”
Claim · model-written summary
AMF inoculation induced copper retention in narra seedling roots.
- Taxon
- Pterocarpus indicus Willd.Pterocarpus indicuse0
- Organ / stage
- rootse1
- Treatment
- AMF inoculatione1
- Interactor
- AMFe1symbiont
- Outcome
- Cu retentione1
- Direction
- inducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“AMF inoculation induced Cu retention in the roots of the seedlings”
Claim · model-written summary
The authors propose indigenous AMF for rehabilitating abandoned mine tailings.
- Taxon
- Pterocarpus indicus Willd.Pterocarpus indicuse0
- Interactor
- AMFe1symbiont
- Outcome
- potential agents to rehabilitate the abandoned mine tailingse1
- Setting
- Philippinese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pterocarpus indicus Willd. (narra) was used as the host plant”
e1“mined out indigenous AMF are potential agents to rehabilitate the abandoned mine tailings in the Philippines”
The same questions in other papers
mycorrhiza · nutrient: content · Pterocarpus indicusResults agree
1 paper in the same direction as this paper
- positive
mycorrhiza · symbiosis · Pterocarpus indicusResults 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.