Abstract
SummaryMature slender spindle ‘Jonagold’/M.9 apple (Malus × domestica Borkh.) trees were thinned using 10 mg l–1 1-naphthaleneacetic acid (NAA) or 100 mg l−1 6-benzyladenine (BA) and an axial fan sprayer at a spray volume of 1,500 l ha−1 applied to the whole canopy, or with smaller volumes, where only the upper half of each canopy was sprayed. Partial spray applications of NAA or BA (at 1,000 l ha−1, 750 l ha−1, or 500 l ha−1) to the upper half of the trees did not cause any reduction in final fruit numbers on the upper half, or on the lower half of each tree. When the whole tree was sprayed to run-off with the same thinning agent, or at 1,500 l ha−1, successful thinning on both the upper and lower parts of the canopy occurred. Good spray coverage (from 51% to 77%) was also observed on leaves at all canopy positions measured, when whole trees were sprayed at 1,500 l ha−1.The development of an innovative crop load regulation strategy was an objective of the ISAFRUIT Smartfruit Project.
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Claims 4
Claim · model-written summary
Partial NAA sprays did not reduce final fruit numbers in either canopy half.
- Taxon
- apple
Malus domesticat0 - Treatment
- NAAe0
- Outcome
- final fruit numbers on the upper half, or on the lower half of each treee0
- Direction
- did not cause any reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Partial spray applications of NAA or BA (at 1,000 l ha−1, 750 l ha−1, or 500 l ha−1) to the upper half of the trees did not cause any reduction in final fruit numbers on the upper half, or on the lower half of each tree”
t0“apple”
Claim · model-written summary
Partial BA sprays did not reduce final fruit numbers in either canopy half.
- Taxon
- appleMalus domesticat0
- Treatment
- BAe0
- Outcome
- final fruit numbers on the upper half, or on the lower half of each treee0
- Direction
- did not cause any reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Partial spray applications of NAA or BA (at 1,000 l ha−1, 750 l ha−1, or 500 l ha−1) to the upper half of the trees did not cause any reduction in final fruit numbers on the upper half, or on the lower half of each tree”
t0“apple”
Claim · model-written summary
Whole tree sprays produced successful thinning in both canopy halves.
- Taxon
- appleMalus domesticat0
- Treatment
- whole tree was sprayed to run-offe0
- Outcome
- successful thinning on both the upper and lower parts of the canopye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the whole tree was sprayed to run-off with the same thinning agent, or at 1,500 l ha−1, successful thinning on both the upper and lower parts of the canopy occurred”
t0“apple”
Claim · model-written summary
Whole tree spraying at 1,500 l ha−1 gave 51% to 77% leaf coverage across canopy positions.
- Taxon
- appleMalus domesticat0
- Organ / stage
- leavese0
- Treatment
- whole trees were sprayed at 1,500 l ha−1e0
- Outcome
- spray coveragee0
- Value
- 51% to 77%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Good spray coverage (from 51% to 77%) was also observed on leaves at all canopy positions measured, when whole trees were sprayed at 1,500 l ha−1”
t0“apple”
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1-naphthaleneacetic acid · yield · Malus domestica (apple)Results differ
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- no effect
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See all 107 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.