Paper · 2004 · PubMed

[Differences in plant hormone level of cucumber seedlings grown under sulfur or xenon lamp].

Wei Duan; Jin-Peng Gao; Peng Wang; et al.

6
claims
9
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

The primary mechanism of growth difference of cucumber (Cucumis sativus L.) seedlings cultured under sulfur lamp and xenon lamp in a phytotron was investigated. Compared with cucumber seedlings grown under xenon lamp, those under sulfur lamp were shorter, and the cell number in the middle hypocotyls epidermis and cortex of them were more (Fig. 1, Table 1). Endogenous hormone analysis indicates that the content of IAA and GA(3) of seedlings under sulfur lamp were 17% and 24% lower, while ABA content was 31% higher than that under xenon lamp (Fig. 2). Based on these results, it is suggested that the growth difference between cucumber seedlings grown under sulfur lamp and under xenon lamp might be related to the control of endogenous hormones.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sulfur-lamp cucumber seedlings were shorter than xenon-lamp seedlings.

Taxon
cucumberCucumis sativuse0
Treatment
sulfur lampe0
Outcome
shortere0
Direction
shortere0
Comparator
xenon lampe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Compared with cucumber seedlings grown under xenon lamp, those under sulfur lamp were shorter”

✓ located verbatim in the source · abstract, characters 161–254 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Sulfur-lamp cucumber seedlings had more cells in the middle hypocotyl epidermis and cortex.

Taxon
cucumberCucumis sativuse0
Organ / stage
middle hypocotyls epidermis and cortexe0
Treatment
sulfur lampe0
Outcome
cell numbere0
Direction
moree0
Comparator
xenon lampe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Compared with cucumber seedlings grown under xenon lamp, those under sulfur lamp were shorter, and the cell number in the middle hypocotyls epidermis and cortex of them were more”

✓ located verbatim in the source · abstract, characters 161–339 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

IAA content was 17% lower under sulfur than xenon lamp.

Taxon
cucumberCucumis sativust0
Treatment
sulfur lampe0
Outcome
content of IAAe0
Direction
lowere0
Value
17%e0
Comparator
xenon lampe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the content of IAA and GA(3) of seedlings under sulfur lamp were 17% and 24% lower, while ABA content was 31% higher than that under xenon lamp”

✓ located verbatim in the source · abstract, characters 402–545 · show in text ↑
t0

“cucumber”

✓ located verbatim in the source · title, characters 39–47 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

GA(3) content was 24% lower under sulfur than xenon lamp.

Taxon
cucumberCucumis sativust0
Treatment
sulfur lampe0
Outcome
GA(3)e0
Direction
lowere0
Value
24%e0
Comparator
xenon lampe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the content of IAA and GA(3) of seedlings under sulfur lamp were 17% and 24% lower, while ABA content was 31% higher than that under xenon lamp”

✓ located verbatim in the source · abstract, characters 402–545 · show in text ↑
t0

“cucumber”

✓ located verbatim in the source · title, characters 39–47 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

ABA content was 31% higher under sulfur than xenon lamp.

Taxon
cucumberCucumis sativust0
Treatment
sulfur lampe0
Outcome
ABA contente0
Direction
highere0
Value
31%e0
Comparator
xenon lampe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the content of IAA and GA(3) of seedlings under sulfur lamp were 17% and 24% lower, while ABA content was 31% higher than that under xenon lamp”

✓ located verbatim in the source · abstract, characters 402–545 · show in text ↑
t0

“cucumber”

✓ located verbatim in the source · title, characters 39–47 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors suggest the light-dependent growth difference may relate to endogenous hormone control.

Taxon
cucumberCucumis sativuse0
Outcome
growth differencee0
Qualifier
control of endogenous hormonese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the growth difference between cucumber seedlings grown under sulfur lamp and under xenon lamp might be related to the control of endogenous hormones”

✓ located verbatim in the source · abstract, characters 601–749 · show in text ↑

sulfur atom · growth · Cucumis sativus (cucumber)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

2 in the opposite direction

  1. positive
  2. positive
See all 3 papers →

sulfur atom · molecular: metabolites · Cucumis sativus (cucumber)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
See all 3 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.