Abstract
Abstract A pot culture experiment was conducted to examine the effects of arbuscular mycorrhizal (AM) fungi and soil developmental stages on the growth and nutrient absorption of pioneer plants growing in the early stage of primary succession on Mt. Fuji. Four herbaceous plants, Polygonum cuspidatum (Polygonaceae), Miscanthus oligostachyus (Gramineae), Aster ageratoides var. ovatus (Compositae), and Hedysarum vicioides (Leguminosae), were grown from seed in soils collected from two different successional stages, bare ground and an herbaceous plant community. Spores of indigenous AM fungi collected from the herbaceous plant community were used as inoculum. The initial colonizer P. cuspidatum showed very low levels of AM colonization (<0.4%), whereas the average AM colonization levels of M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides were within the range of 13–49%. AM fungi had positive effects on the growth and N acquisition of the leguminous species ( H. vicioides ) irrespective of soil developmental stages. In contrast, AM colonization did not increase the plant dry weight and N content of the non‐leguminous species ( P. cuspidatum , M. oligostachyus , and A. ageratoides var. ovatus ) in both soil developmental stages. A positive effect of AM colonization on P content was observed in M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides only in soil collected from the herbaceous plant community. P. cuspidatum showed no or a negative response to AM colonization in all cases. These results suggest that the effect of AM fungi on plant growth depends more on the plant species than soil developmental stages in the early stage of primary succession in this volcanic area.
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Claims 13
Claim · model-written summary
P. cuspidatum had AM colonization <0.4%.
- Taxon
- P. cuspidatum
Polygonum cuspidatume0 - Interactor
- AMe0symbiont
- Outcome
- AM colonizatione0
- Value
- <0.4%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The initial colonizer P. cuspidatum showed very low levels of AM colonization (<0.4%), whereas the average AM colonization levels of M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides were within the range of 13–49%.”
Claim · model-written summary
M. oligostachyus had AM colonization 13–49%.
- Taxon
- M. oligostachyus
Miscanthus oligostachyuse0 - Interactor
- AMe0symbiont
- Outcome
- AM colonizatione0
- Value
- 13–49%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The initial colonizer P. cuspidatum showed very low levels of AM colonization (<0.4%), whereas the average AM colonization levels of M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides were within the range of 13–49%.”
Claim · model-written summary
A. ageratoides var. ovatus had AM colonization 13–49%.
- Taxon
- A. ageratoides var. ovatus
Aster ageratoidese0 - Interactor
- AMe0symbiont
- Outcome
- AM colonizatione0
- Value
- 13–49%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The initial colonizer P. cuspidatum showed very low levels of AM colonization (<0.4%), whereas the average AM colonization levels of M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides were within the range of 13–49%.”
Claim · model-written summary
H. vicioides had AM colonization 13–49%.
- Taxon
- H. vicioides
Hedysarum vicioidese0 - Interactor
- AMe0symbiont
- Outcome
- AM colonizatione0
- Value
- 13–49%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The initial colonizer P. cuspidatum showed very low levels of AM colonization (<0.4%), whereas the average AM colonization levels of M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides were within the range of 13–49%.”
Claim · model-written summary
AM fungi increased H. vicioides growth and N acquisition at both soil stages.
- Taxon
- H. vicioidesHedysarum vicioidese0
- Treatment
- AM fungie0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- growth and N acquisitione0
- Direction
- positivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM fungi had positive effects on the growth and N acquisition of the leguminous species ( H. vicioides ) irrespective of soil developmental stages.”
Claim · model-written summary
AM colonization did not increase dry weight or N content of P. cuspidatum.
- Taxon
- P. cuspidatumPolygonum cuspidatume0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- plant dry weight and N contente0
- Direction
- did not increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization did not increase the plant dry weight and N content of the non‐leguminous species ( P. cuspidatum , M. oligostachyus , and A. ageratoides var. ovatus ) in both soil developmental stages.”
Claim · model-written summary
AM colonization did not increase dry weight or N content of M. oligostachyus.
- Taxon
- M. oligostachyusMiscanthus oligostachyuse0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- plant dry weight and N contente0
- Direction
- did not increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization did not increase the plant dry weight and N content of the non‐leguminous species ( P. cuspidatum , M. oligostachyus , and A. ageratoides var. ovatus ) in both soil developmental stages.”
Claim · model-written summary
AM colonization did not increase dry weight or N content of A. ageratoides var. ovatus.
- Taxon
- A. ageratoides var. ovatusAster ageratoidese0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- plant dry weight and N contente0
- Direction
- did not increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization did not increase the plant dry weight and N content of the non‐leguminous species ( P. cuspidatum , M. oligostachyus , and A. ageratoides var. ovatus ) in both soil developmental stages.”
Claim · model-written summary
AM colonization increased P content of M. oligostachyus only in community soil.
- Taxon
- M. oligostachyusMiscanthus oligostachyuse0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- P contente0
- Direction
- positivee0
- Qualifier
- only in soil collected from the herbaceous plant communitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A positive effect of AM colonization on P content was observed in M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides only in soil collected from the herbaceous plant community.”
Claim · model-written summary
AM colonization increased P content of A. ageratoides var. ovatus only in community soil.
- Taxon
- A. ageratoides var. ovatusAster ageratoidese0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- P contente0
- Direction
- positivee0
- Qualifier
- only in soil collected from the herbaceous plant communitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A positive effect of AM colonization on P content was observed in M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides only in soil collected from the herbaceous plant community.”
Claim · model-written summary
AM colonization increased P content of H. vicioides only in community soil.
- Taxon
- H. vicioidesHedysarum vicioidese0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- P contente0
- Direction
- positivee0
- Qualifier
- only in soil collected from the herbaceous plant communitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A positive effect of AM colonization on P content was observed in M. oligostachyus , A. ageratoides var. ovatus , and H. vicioides only in soil collected from the herbaceous plant community.”
Claim · model-written summary
P. cuspidatum showed no or negative response to AM colonization.
- Taxon
- P. cuspidatumPolygonum cuspidatume0
- Treatment
- AM colonizatione0
- Interactor
- AMe0symbiont
- Outcome
- responsee0
- Direction
- no or a negativee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. cuspidatum showed no or a negative response to AM colonization in all cases.”
Claim · model-written summary
AM fungal growth response depended more on plant species than soil stage.
Verbatim
e0“These results suggest that the effect of AM fungi on plant growth depends more on the plant species than soil developmental stages in the early stage of primary succession in this volcanic area.”
The same questions in other papers
mycorrhiza · growth · Polygonum cuspidatumPositive and negative results
1 in the opposite direction
- 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.