Abstract
Salinity is one of the most important abiotic stresses limiting agricultural production worldwide. Here, we investigated the biometric, physiological and anatomical changes of Passiflora edulis plants propagated from seeds, cuttings and grafts and exposed to salt stress (0.3 – control and 6.3 dS m−1). Saline stress significantly reduced plant height, the number of leaves, total chlorophyll, stomatal conductance, shoot dry weight, total dry weight, total water consumption and root volume. Among the propagation methods evaluated, plants propagated from seeds were more sensitive to salinity, while plants propagated from cuttings showed smaller alterations when subjected to salinity. Similar behavior was observed for anatomical characteristics, since plants propagated from seeds presented more pronounced anatomical alterations, such as greater thicknesses of the leaf mesophyll, upper epidermis, lower epidermis, palisade parenchyma and spongy parenchyma and also was observed presence of calcium oxalate crystals in the form of druses in greater quantity in the root cortex, in comparison to plants propagated from cuttings. The approach used in this study allowed identifying the type of yellow passion fruit propagation (cuttings) that was best for physiological and anatomical adaptation to salt stress and will be potentially useful in programs for improvement of the crop.
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Claims 8
Claim · model-written summary
Salt stress significantly reduced plant height and leaf number.
- Taxon
- Passiflora edulisSims
Passiflora edulist0 - Treatment
- Saline stresse0
- Outcome
- plant height, the number of leavese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saline stress significantly reduced plant height, the number of leaves, total chlorophyll, stomatal conductance, shoot dry weight, total dry weight, total water consumption and root volume.”
t0“Passiflora edulisSims”
Claim · model-written summary
Salt stress significantly reduced chlorophyll and stomatal conductance.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Treatment
- Saline stresse0
- Outcome
- total chlorophyll, stomatal conductancee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saline stress significantly reduced plant height, the number of leaves, total chlorophyll, stomatal conductance, shoot dry weight, total dry weight, total water consumption and root volume.”
t0“Passiflora edulisSims”
Claim · model-written summary
Salt stress significantly reduced total water consumption and root volume.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Treatment
- Saline stresse0
- Outcome
- total water consumption and root volumee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saline stress significantly reduced plant height, the number of leaves, total chlorophyll, stomatal conductance, shoot dry weight, total dry weight, total water consumption and root volume.”
t0“Passiflora edulisSims”
Claim · model-written summary
Seed-propagated plants were more sensitive to salinity.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Treatment
- propagated from seedse0
- Outcome
- sensitive to salinitye0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants propagated from seeds were more sensitive to salinity, while plants propagated from cuttings showed smaller alterations when subjected to salinity.”
t0“Passiflora edulisSims”
Claim · model-written summary
Cutting-propagated plants had smaller alterations under salinity.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Treatment
- propagated from cuttingse0
- Outcome
- alterationse0
- Direction
- smallere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants propagated from seeds were more sensitive to salinity, while plants propagated from cuttings showed smaller alterations when subjected to salinity.”
t0“Passiflora edulisSims”
Claim · model-written summary
Seed-propagated plants had greater leaf tissue thickness changes than cutting-propagated plants.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Treatment
- propagated from seedse0
- Outcome
- thicknesses of the leaf mesophyll, upper epidermis, lower epidermis, palisade parenchyma and spongy parenchymae0
- Direction
- greatere0
- Comparator
- plants propagated from cuttingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants propagated from seeds presented more pronounced anatomical alterations, such as greater thicknesses of the leaf mesophyll, upper epidermis, lower epidermis, palisade parenchyma and spongy parenchyma and also was observed presence of calcium oxalate crystals in the form of druses in greater quantity in the root cortex, in comparison to plants propagated from cuttings.”
t0“Passiflora edulisSims”
Claim · model-written summary
Seed-propagated plants had more root-cortex calcium oxalate druses than cutting-propagated plants.
- Taxon
- Passiflora edulisSimsPassiflora edulist0
- Outcome
- calcium oxalate crystals in the form of druses in greater quantity in the root cortexe0
- Direction
- greatere0
- Comparator
- plants propagated from cuttingse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“calcium oxalate crystals in the form of druses in greater quantity in the root cortex, in comparison to plants propagated from cuttings.”
t0“Passiflora edulisSims”
Claim · model-written summary
Cuttings were identified as the best propagation method for salt-stress adaptation.
Verbatim
e0“the type of yellow passion fruit propagation (cuttings) that was best for physiological and anatomical adaptation to salt stress”
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See all 16 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.