Abstract
We generated source-sink imbalances by defoliation and sucrose supplementation by stem injection, to investigate effects of carbohydrate availability on fruitlet growth and abscission in cv. Okitsu of Satsuma mandarins (Citrus unshiu (Mak.) Marc.). Partial defoliation promoted fruitlet abscission, whereas sucrose supplementation increased citrus fruit set by more than 10%. Moreover, when applied together, sucrose supplementation counteracted the effect of partial defoliation on fruit set. When sucrose was supplied continuously from flowering until harvest, it increased the concentrations of soluble and insoluble sugars in fruits. We conclude that fruit set in citrus is highly dependent on carbohydrate availability.
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Claims 5
Claim · model-written summary
Partial defoliation promoted Satsuma mandarin fruitlet abscission.
- Taxon
- Satsuma mandarins
Citrus unshiue1 - Treatment
- Partial defoliatione0
- Outcome
- fruitlet abscissione0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Partial defoliation promoted fruitlet abscission”
e1“Satsuma mandarins (Citrus unshiu (Mak.) Marc.)”
Claim · model-written summary
Sucrose supplementation increased citrus fruit set by more than 10%.
CitrusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sucrose supplementation increased citrus fruit set by more than 10%”
Claim · model-written summary
Sucrose supplementation counteracted the effect of partial defoliation on citrus fruit set.
- Treatment
- sucrose supplementatione0
- Outcome
- fruit sete0
- Direction
- counteractede0
- Comparator
- partial defoliatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when applied together, sucrose supplementation counteracted the effect of partial defoliation on fruit set”
t0“citrus trees”
Claim · model-written summary
Continuous sucrose supplementation from flowering until harvest increased soluble and insoluble sugar concentrations in citrus fruits.
- Organ / stage
- fruitse0
- Treatment
- sucrose was supplied continuously from flowering until harveste0
- Outcome
- concentrations of soluble and insoluble sugarse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When sucrose was supplied continuously from flowering until harvest, it increased the concentrations of soluble and insoluble sugars in fruits”
t0“citrus trees”
Claim · model-written summary
Citrus fruit set depends strongly on carbohydrate availability.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit set in citrus is highly dependent on carbohydrate availability”
The same questions in other papers
sucrose · yield · CitrusResults agree
2 papers in the same direction as this paper
- positive
- positive
pruning · yield · Citrus unshiu (satsuma mandarin)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- no effect
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.