Abstract
In plants sensitive to salinity, such as passion fruit, irrigation with saline water can cause physiological disturbances and reduce fruit production, necessitating the use of cultural practices that mitigate saline stress. The objective of this study was to evaluate the effects of water salinity, pit coating with high-strength polyethylene film, and calcium fertilization on the physiological and productive aspects of passion fruit ‘BRS Gigante Amarelo’. The treatments were arranged in split plot in the scheme 2WS × (2LP × 5DC), corresponding to water salinity (0.3 and 4.0 dS m-1) as the main plot, side coating of pits (without and with) doses of calcium (0; 30; 60; 90 and 120 kg ha-1). During the flowering phase, we evaluated leaf chlorophyll indices, fluorescence kinetics, and gas exchange. The increase in calcium doses up to 60 kg ha-1 increased leaf chlorophyll and quantum efficiency. The stomata did not restrict gas exchange, but salinity resulted in reduced net photosynthesis and plant production. The lateral coating of the pits intensified the reduction in salinity-promoted production, while calcium mitigated the effects of the salts. Entisol cultivated with passion fruit should not be irrigated with saline water of 4.0 dS m-1; lateral pit coating is not advised. In an Entisol with an initial calcium level of 1.92 cmolc dm-3, the recommended application dose is 60 kg ha-1 for passion fruit cultivation.
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Claims 10
Claim · model-written summary
Calcium doses up to 60 kg ha-1 increased leaf chlorophyll in passion fruit.
- Taxon
- Passion Fruit
Passiflora edulist0 - Treatment
- calcium doses up to 60 kg ha-1e0
- Outcome
- leaf chlorophylle0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increase in calcium doses up to 60 kg ha-1 increased leaf chlorophyll and quantum efficiency”
t0“Passion Fruit”
Claim · model-written summary
Calcium doses up to 60 kg ha-1 increased quantum efficiency in passion fruit.
- Taxon
- Passion FruitPassiflora edulist0
- Treatment
- calcium doses up to 60 kg ha-1e0
- Outcome
- quantum efficiencye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increase in calcium doses up to 60 kg ha-1 increased leaf chlorophyll and quantum efficiency”
t0“Passion Fruit”
Claim · model-written summary
Stomata did not restrict gas exchange in passion fruit.
- Taxon
- Passion FruitPassiflora edulist0
- Outcome
- gas exchangee0
- Direction
- did not restricte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The stomata did not restrict gas exchange”
t0“Passion Fruit”
Claim · model-written summary
Salinity reduced net photosynthesis in passion fruit.
- Taxon
- Passion FruitPassiflora edulist0
- Treatment
- salinitye0
- Outcome
- net photosynthesise0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity resulted in reduced net photosynthesis and plant production”
t0“Passion Fruit”
Claim · model-written summary
Salinity reduced passion fruit production.
- Taxon
- Passion FruitPassiflora edulist0
- Treatment
- salinitye0
- Outcome
- plant productione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity resulted in reduced net photosynthesis and plant production”
t0“Passion Fruit”
Claim · model-written summary
Lateral pit coating intensified the salinity-related reduction in passion fruit production.
- Taxon
- Passion FruitPassiflora edulist0
- Treatment
- lateral coating of the pitse0
- Outcome
- salinity-promoted productione0
- Direction
- intensified the reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lateral coating of the pits intensified the reduction in salinity-promoted production”
t0“Passion Fruit”
Claim · model-written summary
Calcium mitigated salt effects in passion fruit.
- Taxon
- Passion FruitPassiflora edulist0
- Treatment
- calciume0
- Outcome
- effects of the saltse0
- Direction
- mitigatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“calcium mitigated the effects of the salts”
t0“Passion Fruit”
Claim · model-written summary
The authors advise against irrigating passion fruit in Entisol with 4.0 dS m-1 saline water.
- Taxon
- passion fruitPassiflora edulise0
- Outcome
- should not be irrigated with saline water of 4.0 dS m-1e0
- Setting
- Entisole0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Entisol cultivated with passion fruit should not be irrigated with saline water of 4.0 dS m-1”
Claim · model-written summary
The authors advise against lateral pit coating for passion fruit.
- Taxon
- Passion FruitPassiflora edulist0
- Outcome
- lateral pit coating is not advisede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lateral pit coating is not advised”
t0“Passion Fruit”
Claim · model-written summary
The authors recommend 60 kg ha-1 calcium for passion fruit in Entisol with initial calcium of 1.92 cmolc dm-3.
- Taxon
- passion fruitPassiflora edulise0
- Outcome
- recommended application dosee0
- Value
- 60 kg ha-1e0
- Qualifier
- initial calcium level of 1.92 cmolc dm-3e0
- Setting
- Entisole0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In an Entisol with an initial calcium level of 1.92 cmolc dm-3, the recommended application dose is 60 kg ha-1 for passion fruit cultivation”
The same questions in other papers
salinity · physiology: photosynthesis · Passiflora edulis (passion fruit)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- negative
6 papers more in this group
See all 10 papers →salinity · yield · Passiflora edulis (passion fruit)Results agree
8 papers in the same direction as this paper
- negative
- negative
- negative
5 papers more in this group
See all 9 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.