Abstract
An experiment that entailed the manipulation of irrigation was carried out to assess the effect of water stress on sunburn development in ‘Cripps’ Pink’ apples. Normal irrigation, half irrigation, and no irrigation treatments were applied for 15 days starting on 14 Mar. 2010 (Southern hemisphere). Stem water potential, fruit surface temperature (FST), sunburn incidence, and sunburn severity were measured. Sunburn was also categorized into browning, necrosis, or bleaching sunburn types. Fully exposed fruit without prior sunburn symptoms were tagged for progressive sunburn assessments, whereas sunburn was also assessed at harvest for all fruit per tree. Soil moisture and stem water potential decreased, whereas FST, sunburn incidence, and severity increased linearly with a decrease in irrigation level. Sunburn necrosis increased with increasing water stress. In conclusion, water stress aggravates sunburn development under conditions conducive for its development by increasing FST.
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Claims 5
Claim · model-written summary
Decreasing irrigation decreased soil moisture and stem water potential.
- Taxon
- Apple
Malus domesticat0 - Treatment
- a decrease in irrigation levele1
- Outcome
- Soil moisture and stem water potentiale1
- Direction
- decreasede1
- Comparator
- Normal irrigatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Water Stress Increases Sunburn in ‘Cripps’ Pink’ Apple”
e1“Soil moisture and stem water potential decreased, whereas FST, sunburn incidence, and severity increased linearly with a decrease in irrigation level”
e2“Normal irrigation, half irrigation, and no irrigation treatments were applied”
Claim · model-written summary
Decreasing irrigation increased fruit surface temperature (FST).
- Taxon
- AppleMalus domesticat0
- Treatment
- a decrease in irrigation levele1
- Outcome
- FSTe1
- Direction
- increasede1
- Comparator
- Normal irrigatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Water Stress Increases Sunburn in ‘Cripps’ Pink’ Apple”
e1“Soil moisture and stem water potential decreased, whereas FST, sunburn incidence, and severity increased linearly with a decrease in irrigation level”
e2“Normal irrigation, half irrigation, and no irrigation treatments were applied”
Claim · model-written summary
Decreasing irrigation increased sunburn incidence and severity.
- Taxon
- AppleMalus domesticat0
- Treatment
- a decrease in irrigation levele1
- Outcome
- sunburn incidencee1
- Direction
- increasede1
- Comparator
- Normal irrigatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Water Stress Increases Sunburn in ‘Cripps’ Pink’ Apple”
e1“Soil moisture and stem water potential decreased, whereas FST, sunburn incidence, and severity increased linearly with a decrease in irrigation level”
e2“Normal irrigation, half irrigation, and no irrigation treatments were applied”
Claim · model-written summary
Sunburn necrosis increased with increasing water stress.
- Taxon
- AppleMalus domesticat0
- Treatment
- increasing water stresse3
- Outcome
- Sunburn necrosise3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Water Stress Increases Sunburn in ‘Cripps’ Pink’ Apple”
e3“Sunburn necrosis increased with increasing water stress”
Claim · model-written summary
The authors conclude that water stress aggravates sunburn development by increasing FST under conditions conducive to sunburn.
- Taxon
- AppleMalus domesticat0
- Treatment
- water stresse4
- Outcome
- sunburn developmente4
- Qualifier
- by increasing FSTe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Water Stress Increases Sunburn in ‘Cripps’ Pink’ Apple”
e4“water stress aggravates sunburn development under conditions conducive for its development by increasing FST”
The same questions in other papers
irrigation · disease · Malus domestica (apple)Positive and negative results
4 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 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.