Abstract
Rainfed olive groves in arid Tunisia face severe water scarcity and a low abundance of native arbuscular mycorrhizal fungi (AMF). We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region. The commercial AMF product was added to two olive tree cultivars, ‘Meski’ and ‘Zarrazi’. There was an increase in the mycorrhizal intensity in the roots of ‘Meski’. Mycorrhizal symbiosis seems to have improved the survival of ‘Meski’ and the growth rate of ‘Zarrazi’. Plant water status and gas exchanges were enhanced in ‘Meski’. Mycorrhization helped maintain a higher photosynthetic assimilation rate and stomatal conductance in ‘Zarrazi’. AMF-symbiosis exhibited an inter-cultivar difference in the enhancement of the ecophysiological performance of olive trees under aridity. It also improved pre-existent indigenous defense strategies. It reinforced the avoidance strategy of ‘Meski’ but strengthened the tolerance strategy of ‘Zarrazi’.
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Claims 8
Claim · model-written summary
AMF supplementation increased root mycorrhizal intensity in Meski.
- Taxon
- olive trees
Olea europaeat0 - Material
- Meskie0
- Organ / stage
- rootse0
- Treatment
- commercial AMF-producte1
- Interactor
- AMFe1symbiont
- Outcome
- mycorrhizal intensitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was an increase in the mycorrhizal intensity in the roots of ‘Meski’.”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
Mycorrhizal symbiosis appears to improve Meski survival.
- Taxon
- olive treesOlea europaeat0
- Material
- Meskie0
- Treatment
- Mycorrhizal symbiosise0
- Interactor
- AMFe1symbiont
- Outcome
- survivale0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal symbiosis seems to have improved the survival of ‘Meski’”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
Mycorrhizal symbiosis appears to improve Zarrazi growth rate.
- Taxon
- olive treesOlea europaeat0
- Material
- Zarrazie0
- Treatment
- Mycorrhizal symbiosise1
- Interactor
- AMFe2symbiont
- Outcome
- growth ratee0
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the growth rate of ‘Zarrazi’”
t0“olive trees”
e1“Mycorrhizal symbiosis seems to have improved the survival of ‘Meski’ and the growth rate of ‘Zarrazi’.”
e2“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
AMF improved water status and gas exchange in Meski.
- Taxon
- olive treesOlea europaeat0
- Material
- Meskie0
- Treatment
- AMFe1
- Interactor
- AMFe1symbiont
- Outcome
- Plant water status and gas exchangese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant water status and gas exchanges were enhanced in ‘Meski’.”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
Mycorrhization maintained a higher photosynthetic assimilation rate and stomatal conductance in Zarrazi.
- Taxon
- olive treesOlea europaeat0
- Material
- Zarrazie0
- Treatment
- Mycorrhizatione0
- Interactor
- AMFe1symbiont
- Outcome
- photosynthetic assimilation rate and stomatal conductancee0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhization helped maintain a higher photosynthetic assimilation rate and stomatal conductance in ‘Zarrazi’.”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
AMF symbiosis improved existing indigenous defense strategies.
- Taxon
- olive treesOlea europaeat0
- Interactor
- AMFe1symbiont
- Outcome
- pre-existent indigenous defense strategiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It also improved pre-existent indigenous defense strategies.”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
AMF symbiosis reinforced the avoidance strategy of Meski.
- Taxon
- olive treesOlea europaeat0
- Material
- Meskie0
- Interactor
- AMFe1symbiont
- Outcome
- avoidance strategye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It reinforced the avoidance strategy of ‘Meski’”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
Claim · model-written summary
AMF symbiosis strengthened the tolerance strategy of Zarrazi.
- Taxon
- olive treesOlea europaeat0
- Material
- Zarrazie0
- Interactor
- AMFe1symbiont
- Outcome
- tolerance strategye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strengthened the tolerance strategy of ‘Zarrazi’”
t0“olive trees”
e1“We investigated if a supplement of commercial AMF-product at transplantation would improve olive plant survival and ecophysiological performance in an arid region.”
The same questions in other papers
mycorrhiza · growth · Olea europaea (common olive)Results differ
10 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- negative
9 papers more in this group
See all 13 papers →mycorrhiza · survival · Olea europaea (common olive)Results agree
1 paper in the same direction as this paper
- positive
mycorrhiza · physiology: photosynthesis · Olea europaea (common olive)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
mycorrhiza · physiology: water · Olea europaea (common olive)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.