Abstract
Arbuscular mycorrhizal (AM) symbiosis can improve the growth of poplar, which is considered to be a bioenergy feedstock and a substitute for fossil fuels. Microbes in plant rhizosphere may affect the interaction between AM fungi and host plant. The role of AM fungi on the biomass and bioenergy production of poplar in the presence or absence of other soil microorganisms was less investigated. In this study, the effects of Rhizophagus irregularis and Glomus versiforme on the growth, root- absorbing area, chlorophyll content, gas exchange, total organic carbon (TOC) content, gross calorie value (GCV), lignin and cellulose content of Populus 9 canadensis 'Neva' in sterilized and unsterilized soil were evaluated. The results showed that AM symbiosis increased the bio- mass parameters such as stem length, ground diameter, dry weight, root-absorbing area, chlorophyll content and gas exchange capacity, as well as bioenergy parameters such as TOC content, GCV and lignin content of poplar seedlings, but did not affect the cellulose content. The extent of this enhancement varied within AM fungi species and soil conditions. The effect of AM was higher in sterilized soil than that in unsterilized soil, and the function of R. irreg- ularis was greater than G. versiforme in sterilized soil, but lower in unsterilized soil. In general, G. versiforme exhibited higher applying potential in the biomass and bioenergy production of poplar.
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Claims 9
Claim · model-written summary
AM symbiosis increased stem length, ground diameter and dry weight of poplar seedlings.
PopulusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM symbiosis increased the bio- mass parameters such as stem length, ground diameter, dry weight, root-absorbing area, chlorophyll content and gas exchange capacity, as well as bioenergy parameters such as TOC content, GCV and lignin content of poplar seedlings, but did not affect the cellulose content”
Claim · model-written summary
AM symbiosis increased root-absorbing area, chlorophyll content and gas exchange capacity of poplar seedlings.
- Treatment
- AM symbiosise0
- Outcome
- root-absorbing area, chlorophyll content and gas exchange capacitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM symbiosis increased the bio- mass parameters such as stem length, ground diameter, dry weight, root-absorbing area, chlorophyll content and gas exchange capacity, as well as bioenergy parameters such as TOC content, GCV and lignin content of poplar seedlings, but did not affect the cellulose content”
Claim · model-written summary
AM symbiosis increased TOC content, GCV and lignin content of poplar seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM symbiosis increased the bio- mass parameters such as stem length, ground diameter, dry weight, root-absorbing area, chlorophyll content and gas exchange capacity, as well as bioenergy parameters such as TOC content, GCV and lignin content of poplar seedlings, but did not affect the cellulose content”
Claim · model-written summary
AM symbiosis did not affect poplar cellulose content.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM symbiosis increased the bio- mass parameters such as stem length, ground diameter, dry weight, root-absorbing area, chlorophyll content and gas exchange capacity, as well as bioenergy parameters such as TOC content, GCV and lignin content of poplar seedlings, but did not affect the cellulose content”
Claim · model-written summary
AM enhancement varied by fungal species and soil conditions.
- Taxon
- Populus 3 canadensis 'Neva't0
- Interactor
- AM fungiGlomeromycotae0symbiont
- Outcome
- extent of this enhancemente0
- Setting
- soil conditionse0
Not reportedDirection
Verbatim
t0“Populus 3 canadensis 'Neva'”
e0“The extent of this enhancement varied within AM fungi species and soil conditions”
Claim · model-written summary
AM effect was higher in sterilized than unsterilized soil.
Verbatim
t0“Populus 3 canadensis 'Neva'”
e0“The effect of AM was higher in sterilized soil than that in unsterilized soil”
Claim · model-written summary
R. irreg- ularis function exceeded G. versiforme in sterilized soil.
Verbatim
t0“Populus 3 canadensis 'Neva'”
e0“the function of R. irreg- ularis was greater than G. versiforme in sterilized soil, but lower in unsterilized soil”
Claim · model-written summary
R. irreg- ularis function was lower than G. versiforme in unsterilized soil.
Verbatim
t0“Populus 3 canadensis 'Neva'”
e0“the function of R. irreg- ularis was greater than G. versiforme in sterilized soil, but lower in unsterilized soil”
Claim · model-written summary
G. versiforme had higher application potential for poplar biomass and bioenergy production.
- Interactor
- G. versiformeDiversispora versiformise0symbiont
- Outcome
- applying potential in the biomass and bioenergy productione0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G. versiforme exhibited higher applying potential in the biomass and bioenergy production of poplar”
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See all 13 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.