Abstract
Salinity is one of the most problematic abiotic stresses in agriculture globally, especially in semi-arid regions. Thus, the application of nutrients, such as nitrogen and potassium to improve plant nutritional conditions may be a viable alternative to minimize the negative effects of saline stress. Therefore, the aim of this study was to evaluate the morphophysiological behavior of yellow passion fruit seedlings under varying nitrogen and potassium doses and irrigation with salt water. The experimental design was a randomized complete block with a 5 x 5 incomplete factorial scheme, generated from the Central Composite Design with five electrical conductivities of irrigation water (0.5, 0.98, 2.15, 3.32, and 3. 80 dS m-1) and five increasing doses of nitrogen and potassium (0.0, 29.08, 100.0, 170.92, and 200.0%). Leaf, stem, and root dry phytomass and gas exchange were evaluated 75 days after sowing. The increase in salinity had negative effects on the morphological and physiological characteristics of yellow passion fruit seedlings. The application of nitrogen and potassium positively influenced photosynthetic rate and leaf and root dry phytomasses. The application of nitrogen and potassium increased intercellular CO2 concentration and transpiration in yellow passion fruit seedlings under saline stress.
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Claims 3
Claim · model-written summary
Increasing salinity harmed morphological and physiological characteristics of yellow passion fruit seedlings.
- Taxon
- yellow passion fruit seedlingse0
- Treatment
- increase in salinitye0
- Outcome
- morphological and physiological characteristicse0
- Direction
- negative effectse0
Not reportedComparator
Verbatim
e0“The increase in salinity had negative effects on the morphological and physiological characteristics of yellow passion fruit seedlings.”
Claim · model-written summary
Nitrogen and potassium application positively influenced seedling photosynthetic rate and leaf and root dry phytomasses.
- Taxon
- yellow passion fruit seedlingst0
- Treatment
- application of nitrogen and potassiume0
- Outcome
- photosynthetic rate and leaf and root dry phytomassese0
- Direction
- positively influencede0
Not reportedComparator
Verbatim
e0“The application of nitrogen and potassium positively influenced photosynthetic rate and leaf and root dry phytomasses.”
t0“yellow passion fruit seedlings”
Claim · model-written summary
Nitrogen and potassium application increased intercellular CO2 concentration and transpiration in seedlings under saline stress.
- Taxon
- yellow passion fruit seedlingse0
- Treatment
- application of nitrogen and potassiume0
- Outcome
- intercellular CO2 concentration and transpiratione0
- Direction
- increasede0
- Qualifier
- under saline stresse0
Not reportedComparator
Verbatim
e0“The application of nitrogen and potassium increased intercellular CO2 concentration and transpiration in yellow passion fruit seedlings under saline stress.”
The same questions in other papers
potassium · physiology: photosynthesis · Passiflora edulis (passion fruit)Results agree
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potassium · physiology: gas exchange · Passiflora edulis (passion fruit)Results agree
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- positive
nitrogen · physiology: photosynthesis · Passiflora edulis (passion fruit)Results agree
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- 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.