Abstract
Severe water stress was induced in container-grown grapevines during five stages of fruit growth. Stress at each stage reduced fresh fruit yield. During the first three weeks after flowering, losses were greatest and were primarily attributable to reduced fruit set. Thereafter loss was associated with reduced berry size and, following stress after véraison, the failure of fruit to mature. Fruit which failed to mature also had a lower skin pigment content, whether assessed on a per-berry or per-unit-surfacearea basis. All fruit from stressed vines was late to mature, though the delay was greatest for fruit stressed during the lag phase.
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Claims 7
Claim · model-written summary
Severe water stress at each of five fruit-growth stages reduced fresh fruit yield in grapevines.
- Taxon
- Grapest0
- Organ / stage
- fruit growthe0
- Treatment
- Severe water stresse0
- Outcome
- fresh fruit yielde0
- Direction
- reducede0
Not reportedComparator
Verbatim
t0“Grapes”
e0“Severe water stress was induced in container-grown grapevines during five stages of fruit growth. Stress at each stage reduced fresh fruit yield.”
Claim · model-written summary
Water stress in the first three weeks after flowering caused the greatest yield losses, mainly through reduced fruit set.
Not reportedTreatmentComparator
Verbatim
t0“Grapes”
e0“During the first three weeks after flowering, losses were greatest and were primarily attributable to reduced fruit set.”
Claim · model-written summary
Later water-stress-related yield loss was associated with reduced berry size.
Verbatim
t0“Grapes”
e0“Thereafter loss was associated with reduced berry size”
Claim · model-written summary
Water stress after véraison was associated with failure of fruit to mature.
Not reportedDirection
Verbatim
t0“Grapes”
e0“following stress after véraison, the failure of fruit to mature”
Claim · model-written summary
Fruit that failed to mature had lower skin pigment content on both per-berry and per-unit-surfacearea bases.
Verbatim
t0“Grapes”
e0“Fruit which failed to mature also had a lower skin pigment content, whether assessed on a per-berry or per-unit-surfacearea basis.”
Claim · model-written summary
Fruit from all water-stressed vines matured late.
Not reportedComparator
Verbatim
t0“Grapes”
e0“All fruit from stressed vines was late to mature”
Claim · model-written summary
The maturation delay was greatest when fruit was stressed during the lag phase.
- Taxon
- Grapest0
- Organ / stage
- lag phasee0
- Treatment
- stressed during the lag phasee0
- Outcome
- delaye0
- Direction
- greateste0
Not reportedComparator
Verbatim
t0“Grapes”
e0“the delay was greatest for fruit stressed during the lag phase”
The same questions in other papers
drought · yield · VitisResults differ
14 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
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15 papers more in this group
See all 19 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.