Abstract
SummaryPaclobutrazol (2000 mg l−1) was tested as a fruit thinning agent for cvs Redhaven and Sudanell-1 peach trees. Foliar sprays were applied at three different stages of fruit development: G or petal fall; H or shuck-off; and the beginning of pit-hardening, and compared to trees either hand-thinned or left unthinned. No effect on fruit drop or crop load was observed on Redhaven, but some abscission of fruits occurred on the Sudanell-1 trees treated with paclobutrazol at stages G and H. Shoot growth of both cultivars was inhibited by the two latter applications; this effect was greater in Redhaven, which also showed a reduction in trunk girth increment. In the year after treatments no effect on cropping was observed, but shoot growth was promoted on the trees treated with paclobutrazol in comparison with trees either hand-thinned or left unthinned in the previous year.
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Claims 6
Claim · model-written summary
Paclobutrazol did not affect fruit drop or crop load in Redhaven.
- Taxon
- peach trees
Prunus persicat0 - Material
- Redhavene0
- Outcome
- fruit drop or crop loade0
- Direction
- No effecte0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No effect on fruit drop or crop load was observed on Redhaven”
t0“peach trees (Prunus persica(L.) Batsch.)”
Claim · model-written summary
Paclobutrazol at G and H caused some fruit abscission in Sudanell-1.
- Taxon
- peach treesPrunus persicat0
- Material
- Sudanell-1e0
- Treatment
- paclobutrazol at stages G and He0
- Outcome
- abscission of fruitse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“some abscission of fruits occurred on the Sudanell-1 trees treated with paclobutrazol at stages G and H”
t0“peach trees (Prunus persica(L.) Batsch.)”
Claim · model-written summary
The later two paclobutrazol applications inhibited shoot growth in both cultivars, more in Redhaven.
- Taxon
- peach treesPrunus persicat0
- Material
- Redhavene0
- Treatment
- two latter applicationse0
- Outcome
- Shoot growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot growth of both cultivars was inhibited by the two latter applications; this effect was greater in Redhaven”
t0“peach trees (Prunus persica(L.) Batsch.)”
Claim · model-written summary
Redhaven also showed reduced trunk girth increment.
- Taxon
- peach treesPrunus persicat0
- Material
- Redhavene0
- Outcome
- trunk girth incremente0
- Direction
- reductione0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Redhaven, which also showed a reduction in trunk girth increment”
t0“peach trees (Prunus persica(L.) Batsch.)”
Claim · model-written summary
Treatment did not affect cropping in the following year.
- Taxon
- peach treesPrunus persicat0
- Treatment
- treatmentse0
- Outcome
- croppinge0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the year after treatments no effect on cropping was observed”
t0“peach trees (Prunus persica(L.) Batsch.)”
Claim · model-written summary
Shoot growth in the following year was promoted relative to trees previously hand-thinned or unthinned.
- Taxon
- peach treesPrunus persicat0
- Treatment
- paclobutrazole0
- Outcome
- shoot growthe0
- Direction
- promotede0
- Comparator
- trees either hand-thinned or left unthinnede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot growth was promoted on the trees treated with paclobutrazol in comparison with trees either hand-thinned or left unthinned in the previous year”
t0“peach trees (Prunus persica(L.) Batsch.)”
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