Abstract
The aim of the present study was to analyze the effects of two arbuscular mycorrhizal fungi (AMF), Funneliformis mosseae and Paraglomus occultum, on leaf water status, root morphology, root sugar accumulation, root abscisic acid (ABA) levels, root malondialdehyde (MDA) content, and root antioxidant enzyme activities in white clover (Trifolium repens L.) exposed to well-watered (WW) and drought stress (DS) conditions. The results showed that root colonization by F. mosseae and P. occultum was significantly decreased by 7-week soil drought treatment. Under drought stress conditions, mycorrhizal fungal treatment considerably stimulated root total length, surface area and volume, as compared with non-mycorrhizal controls. In addition, inoculation with arbuscular mycorrhizal fungi also increased leaf relative water content and accelerated the accumulation of root glucose and fructose under drought stress. Mycorrhizal plants under drought stress registered higher activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) and ABA levels in roots, while lower MDA contents, relative to non-mycorrhizal plants. As a result, mycorrhiza-inoculated plants represented better physiological activities (e.g. antioxidant defense systems, root morphology, and sugar accumulation) than non-inoculated plants in response to soil drought, whilst P. occultum had superior effects than F. mosseae.
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Claims 9
Claim · model-written summary
Seven-week soil drought significantly decreased root colonization by F. mosseae.
- Taxon
- white clover
Trifolium repenst1 - Treatment
- 7-week soil drought treatmente0
- Interactor
- F. mosseae
Funneliformis mosseaee0symbiont - Outcome
- root colonization by F. mosseaee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root colonization by F. mosseae and P. occultum was significantly decreased by 7-week soil drought treatment.”
t1“white clover”
Claim · model-written summary
Seven-week soil drought significantly decreased root colonization by P. occultum.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- 7-week soil drought treatmente0
- Interactor
- P. occultumParaglomus occultume0symbiont
- Outcome
- root colonization by F. mosseae and P. occultume0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root colonization by F. mosseae and P. occultum was significantly decreased by 7-week soil drought treatment.”
t1“white clover”
Claim · model-written summary
Mycorrhizal treatment increased root total length, surface area, and volume under drought.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- mycorrhizal fungal treatmente0
- Interactor
- mycorrhizal fungale0symbiont
- Outcome
- root total length, surface area and volumee0
- Direction
- stimulatede0
- Qualifier
- drought stress conditionse0
- Comparator
- non-mycorrhizal controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under drought stress conditions, mycorrhizal fungal treatment considerably stimulated root total length, surface area and volume, as compared with non-mycorrhizal controls.”
t1“white clover”
Claim · model-written summary
AMF inoculation increased leaf relative water content under drought.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- inoculation with arbuscular mycorrhizal fungie0
- Interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- leaf relative water contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inoculation with arbuscular mycorrhizal fungi also increased leaf relative water content and accelerated the accumulation of root glucose and fructose under drought stress.”
t1“white clover”
Claim · model-written summary
AMF inoculation accelerated root glucose and fructose accumulation under drought.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- inoculation with arbuscular mycorrhizal fungie0
- Interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- accumulation of root glucose and fructosee0
- Direction
- acceleratede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inoculation with arbuscular mycorrhizal fungi also increased leaf relative water content and accelerated the accumulation of root glucose and fructose under drought stress.”
t1“white clover”
Claim · model-written summary
Under drought, mycorrhizal roots had higher SOD, CAT, and POD activities than nonmycorrhizal roots.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- Mycorrhizal plantse0
- Interactor
- mycorrhizale0symbiont
- Outcome
- activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD)e0
- Direction
- highere0
- Qualifier
- drought stresse0
- Comparator
- non-mycorrhizal plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal plants under drought stress registered higher activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) and ABA levels in roots, while lower MDA contents, relative to non-mycorrhizal plants.”
t1“white clover”
Claim · model-written summary
Under drought, mycorrhizal roots had higher ABA levels than nonmycorrhizal roots.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- Mycorrhizal plantse0
- Interactor
- mycorrhizale0symbiont
- Outcome
- ABA levels in rootse0
- Direction
- highere0
- Qualifier
- drought stresse0
- Comparator
- non-mycorrhizal plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal plants under drought stress registered higher activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) and ABA levels in roots, while lower MDA contents, relative to non-mycorrhizal plants.”
t1“white clover”
Claim · model-written summary
Under drought, mycorrhizal roots had lower MDA content than nonmycorrhizal roots.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- Mycorrhizal plantse0
- Interactor
- mycorrhizale0symbiont
- Outcome
- MDA contentse0
- Direction
- lowere0
- Qualifier
- drought stresse0
- Comparator
- non-mycorrhizal plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal plants under drought stress registered higher activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) and ABA levels in roots, while lower MDA contents, relative to non-mycorrhizal plants.”
t1“white clover”
Claim · model-written summary
P. occultum had superior physiological effects under drought compared with F. mosseae.
- Taxon
- white cloverTrifolium repenst1
- Treatment
- P. occultume0
- Interactor
- P. occultumParaglomus occultume0symbiont
- Second interactor
- F. mosseaeFunneliformis mosseaee0symbiont
- Outcome
- superior effectse0
- Direction
- superiore0
- Comparator
- F. mosseaee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. occultum had superior effects than F. mosseae.”
t1“white clover”
The same questions in other papers
inoculation · molecular: metabolites · Trifolium repens (white clover)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- negative
- positive
2 papers more in this group
See all 6 papers →mycorrhiza · physiology: antioxidant enzymes · Trifolium repens (white clover)Results agree
1 paper in the same direction as this paper
- positive
drought · Funneliformis mosseae · Trifolium repens (white clover)Results agree
1 paper in the same direction as this paper
- negative
mycorrhiza · physiology: water · Trifolium repens (white clover)Results agree
2 papers in the same direction as this paper
- positive
- positive
mycorrhiza · physiology: hormones · Trifolium repens (white clover)Results agree
2 papers in the same direction as this paper
- positive
- positive
mycorrhiza · molecular: metabolites · Trifolium repens (white clover)Results agree
3 papers in the same direction as this paper
- positive
- positive
- 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.