Abstract
Abstract Source–sink relationships in sweet cherry were altered by girdling limbs both above and below fruiting spurs. Spurs isolated by girdling both above and below had lower total fruit weight per spur and lower weight per fruit then those above or below girdles. Fruit number per spur was not altered, but soluble solids and fruit color were lower in fruits from isolated spurs than fruit from spurs either above or below girdles. Fruit on spurs above girdles were generally highest in soluble solids and fruit color. These factors indicate fruit on isolated spurs also were delayed in maturity. Spurs below girdles were unaffected by girdling. Girdling had no effect on spur leaf net photosynthesis, stomatal conductance, or fruit water loss rate. The results indicate that spur leaves alone do not have the capacity to support fruit growth in sweet cherry and must, therefore, be supplemented by photosynthates from other sources.
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Claims 8
Claim · model-written summary
Spurs isolated by girdling above and below had lower total fruit weight per spur and weight per fruit than spurs on one side of a girdle.
- Taxon
- Sweet Cherry
Prunus aviumt0 - Treatment
- girdling both above and belowe0
- Outcome
- total fruit weight per spur and lower weight per fruite0
- Direction
- lowere0
- Comparator
- those above or below girdlese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spurs isolated by girdling both above and below had lower total fruit weight per spur and lower weight per fruit then those above or below girdles.”
t0“Sweet Cherry”
Claim · model-written summary
Girdling isolation did not change fruit number per spur.
- Taxon
- Sweet CherryPrunus aviumt0
- Treatment
- girdling both above and belowe1
- Outcome
- Fruit number per spure0
- Direction
- not alterede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit number per spur was not altered”
e1“Spurs isolated by girdling both above and below”
t0“Sweet Cherry”
Claim · model-written summary
Fruit from isolated spurs had lower soluble solids and fruit color than fruit from spurs on one side of girdles.
- Taxon
- Sweet CherryPrunus aviumt0
- Treatment
- isolated spurse0
- Outcome
- soluble solids and fruit colore0
- Direction
- lowere0
- Comparator
- spurs either above or below girdlese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble solids and fruit color were lower in fruits from isolated spurs than fruit from spurs either above or below girdles”
t0“Sweet Cherry”
Claim · model-written summary
Fruit above girdles generally had the highest soluble solids and fruit color.
- Taxon
- Sweet CherryPrunus aviumt0
- Organ / stage
- Fruite0
- Outcome
- soluble solids and fruit colore0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit on spurs above girdles were generally highest in soluble solids and fruit color.”
t0“Sweet Cherry”
Claim · model-written summary
Fruit on isolated spurs were interpreted as delayed in maturity.
- Taxon
- Sweet CherryPrunus aviumt0
- Outcome
- maturitye0
- Direction
- delayede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit on isolated spurs also were delayed in maturity”
t0“Sweet Cherry”
Claim · model-written summary
Spurs below girdles were unaffected by girdling.
- Taxon
- Sweet CherryPrunus aviumt0
- Treatment
- girdlinge0
- Outcome
- Spurs below girdles were unaffectede0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spurs below girdles were unaffected by girdling.”
t0“Sweet Cherry”
Claim · model-written summary
Girdling had no effect on spur leaf net photosynthesis, stomatal conductance, or fruit water loss rate.
- Taxon
- Sweet CherryPrunus aviumt0
- Treatment
- Girdlinge0
- Outcome
- spur leaf net photosynthesis, stomatal conductance, or fruit water loss ratee0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Girdling had no effect on spur leaf net photosynthesis, stomatal conductance, or fruit water loss rate.”
t0“Sweet Cherry”
Claim · model-written summary
The authors infer that spur leaves alone cannot support sweet cherry fruit growth without photosynthates from other sources.
- Taxon
- sweet cherryPrunus aviume0
- Organ / stage
- spur leavese0
- Outcome
- fruit growthe0
- Qualifier
- photosynthates from other sourcese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spur leaves alone do not have the capacity to support fruit growth in sweet cherry and must, therefore, be supplemented by photosynthates from other sources”
The same questions in other papers
pruning · yield · Prunus avium (sweet cherry)Results differ
6 papers in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
17 papers more in this group
See all 21 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.