Abstract
In a two-year trial using mature Empire/M.27 apple trees, application of 100 or 200 mg·l -1 benzyladenine (BA) as dilute sprays 16 or 22 days after full bloom (DAFB) thinned to 6 or 5 fruit cm -1 limb circumference. BA reduced fruit set by 50% and proportionately increased trunk cross-sectional area growth. BA increased return bloom, total shoot growth and shoot number cm -1 limb circumference, but decreased mean shoot length. At harvest, fruit from thinned trees were significantly greater in weight, diameter, length and L/D ratio, but fruit colour and harvest maturity was unaffected. Firmness and soluble solids (TSS) of fruit from thinned trees were higher than control at harvest and following storage at 0-0.5°C and 90-95% RH. BA-treated fruit exhibited reduced respiration rate and ethylene production, and exhibited no storage disorders. Application of 500 or 1000 mg 1 -1 BA 4 weeks before harvest to mature Empire and McIntosh/M.27 apple trees was performed to determine if late BA application could reduce the loss of fruit firmness that occurs upon storage, especially in McIntosh. BA-treated fruit of both cultivars, were firmer at harvest and following storage in air for up to 4 months. Fruit TSS were unaffected.
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Claims 13
Claim · model-written summary
Early benzyladenine sprays thinned fruit to 6 or 5 fruit per limb circumference unit.
- Taxon
- APPLE
Malus domesticat0 - Treatment
- 100 or 200 mg·l -1 benzyladenine (BA)e0
- Outcome
- fruit cm -1 limb circumferencee0
- Direction
- thinnede0
- Value
- 6 or 5 fruit cm -1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of 100 or 200 mg·l -1 benzyladenine (BA) as dilute sprays 16 or 22 days after full bloom (DAFB) thinned to 6 or 5 fruit cm -1 limb circumference.”
t0“APPLE”
Claim · model-written summary
Benzyladenine reduced fruit set by 50%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA reduced fruit set by 50%”
t0“APPLE”
Claim · model-written summary
Benzyladenine increased trunk cross-sectional area growth.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BAe0
- Outcome
- trunk cross-sectional area growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA reduced fruit set by 50% and proportionately increased trunk cross-sectional area growth.”
t0“APPLE”
Claim · model-written summary
Benzyladenine increased return bloom, total shoot growth and shoot number.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BAe0
- Outcome
- return bloom, total shoot growth and shoot numbere0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA increased return bloom, total shoot growth and shoot number cm -1 limb circumference”
t0“APPLE”
Claim · model-written summary
Benzyladenine decreased mean shoot length.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BAe0
- Outcome
- mean shoot lengthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA increased return bloom, total shoot growth and shoot number cm -1 limb circumference, but decreased mean shoot length.”
t0“APPLE”
Claim · model-written summary
Thinned fruit were significantly heavier, wider and longer at harvest.
- Taxon
- APPLEMalus domesticat0
- Treatment
- thinned treese0
- Outcome
- weight, diameter, lengthe0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit from thinned trees were significantly greater in weight, diameter, length and L/D ratio”
t0“APPLE”
Claim · model-written summary
Thinned fruit had a significantly greater length-to-diameter ratio.
- Taxon
- APPLEMalus domesticat0
- Treatment
- thinned treese0
- Outcome
- L/D ratioe0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit from thinned trees were significantly greater in weight, diameter, length and L/D ratio”
t0“APPLE”
Claim · model-written summary
Thinning left fruit colour and harvest maturity unaffected.
- Taxon
- APPLEMalus domesticat0
- Treatment
- thinned treese1
- Outcome
- fruit colour and harvest maturitye0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit colour and harvest maturity was unaffected.”
e1“At harvest, fruit from thinned trees”
t0“APPLE”
Claim · model-written summary
Fruit from thinned trees had higher firmness and soluble solids than control at harvest and after storage.
- Taxon
- APPLEMalus domesticat0
- Treatment
- thinned treese0
- Outcome
- Firmness and soluble solids (TSS)e0
- Direction
- highere0
- Qualifier
- at harvest and following storage at 0-0.5°C and 90-95% RHe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Firmness and soluble solids (TSS) of fruit from thinned trees were higher than control at harvest and following storage at 0-0.5°C and 90-95% RH.”
t0“APPLE”
Claim · model-written summary
Benzyladenine treated fruit had lower respiration and ethylene production.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BA-treatede0
- Outcome
- respiration rate and ethylene productione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA-treated fruit exhibited reduced respiration rate and ethylene production”
t0“APPLE”
Claim · model-written summary
Benzyladenine treated fruit showed no storage disorders.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BA-treatede0
- Outcome
- no storage disorderse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA-treated fruit exhibited reduced respiration rate and ethylene production, and exhibited no storage disorders.”
t0“APPLE”
Claim · model-written summary
Late benzyladenine treatment made both cultivars firmer at harvest and after up to four months of air storage.
- Taxon
- appleMalus domesticae1
- Treatment
- BA-treatede0
- Outcome
- fruit of both cultivars, were firmere0
- Direction
- firmere0
- Qualifier
- at harvest and following storage in air for up to 4 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA-treated fruit of both cultivars, were firmer at harvest and following storage in air for up to 4 months.”
e1“mature Empire and McIntosh/M.27 apple trees”
t0“APPLE”
Claim · model-written summary
Late benzyladenine treatment did not affect soluble solids.
- Taxon
- APPLEMalus domesticat0
- Treatment
- BA-treatede1
- Outcome
- Fruit TSSe0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit TSS were unaffected.”
e1“BA-treated fruit of both cultivars”
t0“APPLE”
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