Abstract
The morphology and development of ectomycorrhizas formed by Pezisa whitei (Gilkey) Trappe, Labyrvnthomyces sp. (Ascomycetes) and Laccaria ohiensis (Mont.) Singer (Basidiomycete) on a range of hosts including Pultenaea obovata Benth., Gompholobium latifolium Sm. (shrubs) and Poranthera microphylla Brongn., Angianthus tomentosus Wendl., Waitssia citrina (Benth.) Steetz and Stvlidium gratninifolium Sw. ex Willd. (herbs) have been studied in a gnotobiotic system in a soil mix low in available phosphate. The associations formed varied from mycorrhizas with well-defined sheaths enclosing root apices on P. obovata and G. latifolium to less well-defined ones on the herbs, where associations varied from partial sheathing of roots to discrete patches of fungal sheath to no sheath at all in the association A. tomentosus + P. whitei. A Hartig net was formed in most associations although L. ohiensis formed none with P. microphylla, A. tomentosus and W. citrina. The results showed that the form of a mycorrhiza depended on both partners, not on the fungus or higher plant alone. All plant-fungus combinations except for A. fomentosus + L. ohiensis showed a significant growth response compared with non-inoculated plants, which indicated mycorrhizal effectiveness, irrespective of mycorrhizal form, in the growth conditions employed.
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Claims 10
Claim · model-written summary
Pultenaea obovata formed mycorrhizas with well-defined sheaths.
Not reportedDirection
Verbatim
e0“mycorrhizas with well-defined sheaths enclosing root apices on P. obovata and G. latifolium”
e1“Pultenaea obovata Benth.”
Claim · model-written summary
Gompholobium latifolium formed mycorrhizas with well-defined sheaths.
Not reportedDirection
Verbatim
e0“mycorrhizas with well-defined sheaths enclosing root apices on P. obovata and G. latifolium”
e1“Gompholobium latifolium Sm.”
Claim · model-written summary
Herbaceous hosts had less defined and variable fungal sheaths.
- Taxon
- HERBSt0
- Outcome
- associations varied from partial sheathing of roots to discrete patches of fungal sheath to no sheath at alle0
Not reportedDirection
Verbatim
e0“less well-defined ones on the herbs, where associations varied from partial sheathing of roots to discrete patches of fungal sheath to no sheath at all”
t0“AUSTRALIAN HERBS”
Claim · model-written summary
Angianthus tomentosus with Pezisa whitei had no sheath.
- Taxon
- Angianthus tomentosusSiloxerus tomentosuse1
- Interactor
- Pezisa whiteie2symbiont
- Outcome
- no sheath at alle0
Not reportedDirection
Verbatim
e0“no sheath at all in the association A. tomentosus + P. whitei”
e1“Angianthus tomentosus Wendl.”
e2“Pezisa whitei (Gilkey) Trappe”
Claim · model-written summary
A Hartig net formed in most plant-fungus associations.
Not reportedDirection
Verbatim
e0“A Hartig net was formed in most associations”
t0“AUSTRALIAN HERBS AND SHRUBS”
Claim · model-written summary
Laccaria ohiensis formed no Hartig net with Poranthera microphylla.
- Taxon
- Poranthera microphylla
Poranthera microphyllae1 - Interactor
- Laccaria ohiensisLaccaria ohiensise2symbiont
- Outcome
- formed nonee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“L. ohiensis formed none with P. microphylla, A. tomentosus and W. citrina”
e1“Poranthera microphylla Brongn.”
e2“Laccaria ohiensis (Mont.) Singer”
Claim · model-written summary
Laccaria ohiensis formed no Hartig net with Angianthus tomentosus.
- Taxon
- Angianthus tomentosusSiloxerus tomentosuse1
- Interactor
- Laccaria ohiensisLaccaria ohiensise2symbiont
- Outcome
- formed nonee0
Not reportedDirection
Verbatim
e0“L. ohiensis formed none with P. microphylla, A. tomentosus and W. citrina”
e1“Angianthus tomentosus Wendl.”
e2“Laccaria ohiensis (Mont.) Singer”
Claim · model-written summary
Laccaria ohiensis formed no Hartig net with Waitssia citrina.
- Taxon
- Waitssia citrinae1
- Interactor
- Laccaria ohiensisLaccaria ohiensise2symbiont
- Outcome
- formed nonee0
Not reportedDirection
Verbatim
e0“L. ohiensis formed none with P. microphylla, A. tomentosus and W. citrina”
e1“Waitssia citrina (Benth.) Steetz”
e2“Laccaria ohiensis (Mont.) Singer”
Claim · model-written summary
Mycorrhizal form depended on both plant and fungal partners.
Verbatim
e0“the form of a mycorrhiza depended on both partners, not on the fungus or higher plant alone”
t0“AUSTRALIAN HERBS AND SHRUBS”
Claim · model-written summary
Most plant-fungus combinations significantly improved growth over non-inoculated plants, except the Angianthus–Laccaria pairing.
- Taxon
- HERBS AND SHRUBSt0
- Treatment
- plant-fungus combinationse0
- Outcome
- growth responsee0
- Qualifier
- except for A. fomentosus + L. ohiensise0
- Comparator
- non-inoculated plantse0
Not reportedDirection
Verbatim
e0“All plant-fungus combinations except for A. fomentosus + L. ohiensis showed a significant growth response compared with non-inoculated plants”
t0“AUSTRALIAN HERBS AND SHRUBS”