Abstract
Abstract The involvement of naphthaleneacetic acid (NAA), a synthetic auxin, and methyl-2-chloro-9-hydroxy-fluorene-9-carboxylate (chlorflurenol), an auxin transport inhibitor, in fruit set in cucumber ( Cucumis sativus L.) was investigated. In the greenhouse, exogenously applied NAA and chlorflurenol enhanced fruit set depending on the position of application. In the growth chamber, when NAA was applied directly on the stigma, a small quantity moved into the ovary after 24 hours. However, when auxin was applied on the ovary, significant quantities of 14 C NAA were detected in the ovary and other plant pieces. When NAA was placed on the peduncle, more accumulated in peduncle and stem sections than when NAA was placed on the stigma or ovary. Chlorflurenol applications to the peduncle inhibited movement of NAA out of the ovary and resulted in accumulation of auxin in that tissue. NAA movement in the intact plant was similar to that of excised sections: chlorflurenol applied to the peduncle reduced NAA movement out of the ovary. Thus, the regulation of fruit set by chlorflurenol may be through the restriction of auxin movement from the ovary. The increased auxin accumulation in the ovary may trigger fruit set and subsequent growth.
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Claims 10
Claim · model-written summary
NAA enhanced cucumber fruit set depending on application position.
- Taxon
- cucumber
Cucumis sativuse2 - Treatment
- NAAe0
- Outcome
- fruit sete0
- Direction
- enhancede0
- Setting
- greenhousee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenously applied NAA and chlorflurenol enhanced fruit set depending on the position of application”
e2“fruit set in cucumber”
e1“In the greenhouse”
Claim · model-written summary
Chlorflurenol enhanced cucumber fruit set depending on application position.
- Taxon
- Cucumis sativusCucumis sativust0
- Treatment
- chlorflurenole0
- Outcome
- fruit sete0
- Direction
- enhancede0
- Setting
- greenhousee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenously applied NAA and chlorflurenol enhanced fruit set depending on the position of application”
e1“In the greenhouse”
t0“Cucumis sativus”
Claim · model-written summary
Stigma-applied NAA moved in a small quantity into the ovary after 24 hours.
- Taxon
- Cucumis sativusCucumis sativust0
- Organ / stage
- ovarye0
- Treatment
- NAA was applied directly on the stigmae0
- Outcome
- a small quantity moved into the ovarye0
- Qualifier
- after 24 hourse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when NAA was applied directly on the stigma, a small quantity moved into the ovary after 24 hours”
t0“Cucumis sativus”
Claim · model-written summary
Ovary-applied auxin was detected in significant quantities in the ovary and other plant pieces.
- Taxon
- Cucumis sativusCucumis sativust0
- Organ / stage
- ovarye0
- Treatment
- auxin was applied on the ovarye0
- Outcome
- 14 C NAA were detected in the ovary and other plant piecese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when auxin was applied on the ovary, significant quantities of 14 C NAA were detected in the ovary and other plant pieces”
t0“Cucumis sativus”
Claim · model-written summary
Peduncle-applied NAA accumulated more in peduncle and stem than stigma- or ovary-applied NAA.
- Taxon
- Cucumis sativusCucumis sativust0
- Treatment
- NAA was placed on the pedunclee0
- Outcome
- accumulated in peduncle and stem sectionse0
- Direction
- moree0
- Comparator
- when NAA was placed on the stigma or ovarye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When NAA was placed on the peduncle, more accumulated in peduncle and stem sections than when NAA was placed on the stigma or ovary”
t0“Cucumis sativus”
Claim · model-written summary
Peduncle-applied chlorflurenol inhibited NAA movement out of the ovary.
- Taxon
- Cucumis sativusCucumis sativust0
- Treatment
- Chlorflurenol applications to the pedunclee0
- Outcome
- movement of NAA out of the ovarye0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorflurenol applications to the peduncle inhibited movement of NAA out of the ovary”
t0“Cucumis sativus”
Claim · model-written summary
Peduncle-applied chlorflurenol caused auxin accumulation in the ovary.
- Taxon
- Cucumis sativusCucumis sativust0
- Treatment
- Chlorflurenol applications to the pedunclee0
- Outcome
- accumulation of auxin in that tissuee0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorflurenol applications to the peduncle inhibited movement of NAA out of the ovary and resulted in accumulation of auxin in that tissue”
t0“Cucumis sativus”
Claim · model-written summary
NAA movement was similar in intact plants and excised sections.
- Taxon
- Cucumis sativusCucumis sativust0
- Outcome
- NAA movemente0
- Comparator
- excised sectionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NAA movement in the intact plant was similar to that of excised sections”
t0“Cucumis sativus”
Claim · model-written summary
The authors propose that restricted auxin movement from the ovary regulates fruit set under chlorflurenol.
- Taxon
- Cucumis sativusCucumis sativust0
- Treatment
- chlorflurenole0
- Outcome
- fruit sete0
- Qualifier
- restriction of auxin movement from the ovarye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the regulation of fruit set by chlorflurenol may be through the restriction of auxin movement from the ovary”
t0“Cucumis sativus”
Claim · model-written summary
The authors propose that increased ovary auxin accumulation triggers fruit set and subsequent growth.
- Taxon
- Cucumis sativusCucumis sativust0
- Outcome
- fruit set and subsequent growthe0
- Qualifier
- increased auxin accumulation in the ovarye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased auxin accumulation in the ovary may trigger fruit set and subsequent growth”
t0“Cucumis sativus”
The same questions in other papers
1-naphthaleneacetic acid · yield · Cucumis sativus (cucumber)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
6 papers more in this group
See all 10 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.