Abstract
The long term effects of benzyladenine (BA) were assessed when it was applied as a chemical thinner to the same mature McIntosh trees for four consecutive years 0, 50, or 100 mg·liter -1 . NAA at 6 mg·liter -1 was used each year as the standard thinning treatment. BA and NAA thinned comparably in most years. BA frequently increased fruit size more than NAA at comparable crop loads. When BA was applied at temperatures above 30°, spur elongation was noted, and flower bud the following year were smaller. BA reduced seed number in some years. It had no adverse effects on postharvest storage life of treated apples that could not be explained directly by increased fruit size due to thinning. BA appears to be a promising chemical thinner for use on McIntosh apples.
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Claims 7
Claim · model-written summary
BA thinned apples comparably to NAA in most years.
- Taxon
- apples
Malus domesticat0 - Treatment
- BAe1
- Outcome
- thinnede1
- Direction
- comparablye1
- Qualifier
- in most yearse1
- Comparator
- NAAe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e1“BA and NAA thinned comparably in most years”
Claim · model-written summary
BA frequently increased fruit size more than NAA at comparable crop loads.
- Taxon
- applesMalus domesticat0
- Treatment
- BAe2
- Outcome
- fruit sizee2
- Direction
- increasede2
- Qualifier
- at comparable crop loadse2
- Comparator
- NAAe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e2“BA frequently increased fruit size more than NAA at comparable crop loads”
Claim · model-written summary
When BA was applied at temperatures above 30°, spur elongation was noted.
- Taxon
- applesMalus domesticat0
- Treatment
- BAe3
- Outcome
- spur elongatione3
- Qualifier
- at temperatures above 30°e3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e3“When BA was applied at temperatures above 30°, spur elongation was noted”
Claim · model-written summary
When BA was applied at temperatures above 30°, flower buds the following year were smaller.
- Taxon
- applesMalus domesticat0
- Treatment
- BAe4
- Outcome
- flower bude4
- Direction
- smallere4
- Qualifier
- the following yeare4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e4“When BA was applied at temperatures above 30°, spur elongation was noted, and flower bud the following year were smaller”
Claim · model-written summary
BA reduced seed number in some years.
- Taxon
- applesMalus domesticat0
- Treatment
- BAe5
- Outcome
- seed numbere5
- Direction
- reducede5
- Qualifier
- in some yearse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e5“BA reduced seed number in some years”
Claim · model-written summary
BA had no adverse effect on postharvest storage life of treated apples, not explained directly by increased fruit size due to thinning.
- Taxon
- applesMalus domesticat0
- Treatment
- BAe6
- Outcome
- postharvest storage lifee6
- Direction
- no adverse effectse6
- Qualifier
- that could not be explained directly by increased fruit size due to thinninge6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“MCINTOSH APPLES”
e6“BA reduced seed number in some years. It had no adverse effects on postharvest storage life of treated apples that could not be explained directly by increased fruit size due to thinning”
Claim · model-written summary
BA appears to be a promising chemical thinner for McIntosh apples.
Verbatim
e7“BA appears to be a promising chemical thinner for use on McIntosh apples”
The same questions in other papers
N-benzyladenine · quality: postharvest · Malus domestica (apple)Positive and negative results
1 paper in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 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.