Paper · 1982 · American Journal of Botany

Effects of Light on Root Growth, Nodulation, and Apogeotropism of Zamia pumila L. Seedlings in Sterile Culture

David Webb

6
claims
10
verbatim quotes
11
citations
3
research areas
—
Not open access

Abstract

Secondary root nodulation and apogeotropism of Zamia pumila L. seedlings grown axenically on modified White's minerals with 2% sucrose at pH 5.7 was caused by light. Light also inhibited primary and secondary root elongation as well as secondary root production. Light-induced growth inhibition and nodulation were greatest at high light intensities. Apogeotropism was more frequent at low light intensities.

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Claims 6

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Light caused secondary root nodulation in Zamia seedlings.

Taxon
Zamia pumila L.Zamia pumilae0
Treatment
lighte0
Outcome
Secondary root nodulatione0

Not reportedComparatorDirection

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Secondary root nodulation and apogeotropism of Zamia pumila L. seedlings grown axenically on modified White's minerals with 2% sucrose at pH 5.7 was caused by light”

✓ located verbatim in the source · abstract, characters 0–164 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Light caused apogeotropism in Zamia seedlings.

Taxon
Zamia pumila L.Zamia pumilae0
Treatment
lighte0
Outcome
apogeotropisme0

Not reportedComparatorDirection

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Secondary root nodulation and apogeotropism of Zamia pumila L. seedlings grown axenically on modified White's minerals with 2% sucrose at pH 5.7 was caused by light”

✓ located verbatim in the source · abstract, characters 0–164 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Light inhibited primary and secondary root elongation.

Taxon
Zamia pumila L.Zamia pumilat0
Treatment
Lighte0
Outcome
primary and secondary root elongatione0
Direction
inhibitede0

Not reportedComparator

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Light also inhibited primary and secondary root elongation as well as secondary root production”

✓ located verbatim in the source · abstract, characters 166–261 · show in text ↑
t0

“Zamia pumila L.”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Light inhibited secondary root production.

Taxon
Zamia pumila L.Zamia pumilat0
Treatment
Lighte0
Outcome
secondary root productione0
Direction
inhibitede0

Not reportedComparator

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Light also inhibited primary and secondary root elongation as well as secondary root production”

✓ located verbatim in the source · abstract, characters 166–261 · show in text ↑
t0

“Zamia pumila L.”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Light-induced growth inhibition and nodulation were greatest at high light intensities.

Taxon
Zamia pumila L.Zamia pumilat0
Treatment
high light intensitiese0
Outcome
growth inhibition and nodulatione0
Direction
greateste0

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Light-induced growth inhibition and nodulation were greatest at high light intensities”

✓ located verbatim in the source · abstract, characters 263–349 · show in text ↑
t0

“Zamia pumila L.”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Apogeotropism was more frequent at low light intensities.

Taxon
Zamia pumila L.Zamia pumilat0
Treatment
low light intensitiese0
Outcome
Apogeotropisme0
Direction
more frequente0

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

Zamia pumila
Zamia pumila · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Apogeotropism was more frequent at low light intensities”

✓ located verbatim in the source · abstract, characters 351–407 · show in text ↑
t0

“Zamia pumila L.”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑