Abstract
Variations in the water regime promote changes in physiology and plant phenology by modifying patterns of growth and development. The aim of this research was to study physiological responses and changes in phenology of 'Navelate' orange trees submitted to different intensities of water stress in greenhouse. Stressed conditions were based on 50% and 25% of the field capacity. Gas exchange [photosynthesis (A), transpiration (E), stomatal conductance (gs), internal CO2 concentration (Ci), water use efficiency (WUE)] were analyzed in addition to growth parameters during 210 days. A completely randomized design was used, the results were submitted to variance analysis and when detected statistical difference, the means were compared by Tukey test at 5% probability. Water stress affected all gas exchange parameters of the exposed orange trees, limiting growth in diameter and height. Submission to amount of water lower than 50% of field capacity undertakes gas exchange, reducing plants
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Claims 3
Claim · model-written summary
Water stress affected all measured gas exchange parameters in orange trees.
Not reportedComparatorDirection
Verbatim
e0“Water stress affected all gas exchange parameters of the exposed orange trees”
Claim · model-written summary
Water stress limited orange tree diameter and height growth.
- Taxon
- orange plantst0
- Treatment
- Controlled Water Stresst0
- Outcome
- growth in diameter and heighte0
- Direction
- limitinge0
Not reportedComparator
Verbatim
e0“limiting growth in diameter and height”
t0“Controlled Water Stress and its Effects in "Navelate" orange plants”
Claim · model-written summary
Water below 50% field capacity reduced orange plant gas exchange.
- Taxon
- orange plantst0
- Treatment
- amount of water lower than 50% of field capacitye0
- Outcome
- gas exchangee0
Not reportedComparatorDirection
Verbatim
e0“Submission to amount of water lower than 50% of field capacity undertakes gas exchange, reducing plants”
t0“Controlled Water Stress and its Effects in "Navelate" orange plants”
The same questions in other papers
drought · growth · Citrus sinensis (sweet orange)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- negative
2 papers more in this group
See all 6 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.