Abstract
Abstract Gibberellic acid (GA 3 ) was applied at 75 ppm to mature ‘Redskin‘ peach trees at various times during the summer and fall. Flowering was reduced by GA 3 , the degree of reduction depending on time of application. Two response peaks were evident: the first occurred with application in early summer, at the time of flower initiation; the second occurred in late summer and resulted from mortality of developing flower buds. Application of GA 3 shortly before leaf fall caused the most retardation of flower development the following spring. The nature and degree of flowering response was, therefore, related to time of GA 3 application.
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Claims 4
Claim · model-written summary
GA 3 reduced flowering of Redskin peach trees, with magnitude depending on application time.
- Taxon
- peach trees
Prunus persicae0 - Material
- ‘Redskin‘e0
- Treatment
- Gibberellic acid (GA 3 )e0
- Outcome
- Floweringe0
- Direction
- reducede0
- Qualifier
- depending on time of applicatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gibberellic acid (GA 3 ) was applied at 75 ppm to mature ‘Redskin‘ peach trees at various times during the summer and fall. Flowering was reduced by GA 3 , the degree of reduction depending on time of application”
Claim · model-written summary
An early summer application at flower initiation produced one response peak.
- Taxon
- peach treesPrunus persicae0
- Organ / stage
- flower initiatione1
- Treatment
- application in early summere1
- Outcome
- the first occurrede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“peach trees”
e1“the first occurred with application in early summer, at the time of flower initiation”
Claim · model-written summary
Late summer application produced a second response peak through flower bud mortality.
- Taxon
- peach treesPrunus persicae0
- Organ / stage
- developing flower budse1
- Treatment
- late summere1
- Outcome
- mortality of developing flower budse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“peach trees”
e1“the second occurred in late summer and resulted from mortality of developing flower buds”
Claim · model-written summary
Application shortly before leaf fall caused the most retardation of flower development next spring.
- Taxon
- peach treesPrunus persicae0
- Treatment
- Application of GA 3 shortly before leaf falle1
- Outcome
- flower developmente1
- Direction
- most retardatione1
- Qualifier
- the following springe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“peach trees”
e1“Application of GA 3 shortly before leaf fall caused the most retardation of flower development the following spring”
The same questions in other papers
Gibberellic acid · growth · Prunus persica (peach)Results differ
3 papers in the same direction as this paper · 19 in the opposite direction
- positive
- positive
- positive
19 papers more in this group
See all 23 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.