Paper · 1969 · Canadian Journal of Genetics and Cytology

RELATIONSHIP OF TAXA IN GENUS MEDICAGO AS REVEALED BY HYBRIDIZATION. IV. M. HYBRIDA × M. SUFFRUTICOSA

K. Lesins

9
claims
11
verbatim quotes
12
citations
3
research areas
—
Not open access

Abstract

Medicago hybrida Trautv. and M. suffruticosa Ram. are closely related, as indicated by their ease of hybridization, by the vigor and fertility of the F 1 , and by good pollen viability (94–98%) in the F 1 . In the F 2 , glandular hairs on pods vs. no-hairs segregated in a normal, 1:3 ratio; hairiness of M. suffruticosa was recessive to no-hair condition of M. hybrida. Coiling of pods was determined by six dominant, non-linked factors, A 1 –A 6 , with cumulative effect. M. suffruticosa possessed the dominant alleles. Neither M. hybrida nor M. suffruticosa could be hybridized with the M. sativa-falcata group, indicating their membership in different affinity groups. M. leiocarpa Benth. could be crossed with M. hybrida as well as with M. suffruticosa. Further study is needed to determine whether the M. hybrida-suffruticosa group belongs to the genus Medicago or Trigonella.

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Claims 9

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Medicago hybrida and M. suffruticosa are closely related, as indicated by ease of hybridization and the vigor and fertility of the F1.

Taxon
Medicago hybridaMedicago hybridae0
Outcome
closely relatede0
Qualifier
ease of hybridizatione0

Verbatim

e0

“Medicago hybrida Trautv. and M. suffruticosa Ram. are closely related, as indicated by their ease of hybridization, by the vigor and fertility of the F 1 , and by good pollen viability (94–98%) in the F 1”

✓ located verbatim in the source · abstract, characters 0–204 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The F1 of Medicago hybrida x M. suffruticosa showed good pollen viability (94-98%).

Taxon
Medicago hybridaMedicago hybridae0
Outcome
pollen viabilitye0
Value
94–98%e0

Verbatim

e0

“Medicago hybrida Trautv. and M. suffruticosa Ram. are closely related, as indicated by their ease of hybridization, by the vigor and fertility of the F 1 , and by good pollen viability (94–98%) in the F 1”

✓ located verbatim in the source · abstract, characters 0–204 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

In the F2, glandular hairs on pods versus no hairs segregated in a normal 1:3 ratio.

Taxon
MEDICAGOMedicagot0
Outcome
glandular hairs on pods vs. no-hairs segregatede0
Value
1:3 ratioe0

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

Medicago
Medicago · Taxon · picture of the genus (one of its species)Ivar Leidus · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“In the F 2 , glandular hairs on pods vs. no-hairs segregated in a normal, 1:3 ratio”

✓ located verbatim in the source · abstract, characters 207–290 · show in text ↑
t0

“MEDICAGO”

✓ located verbatim in the source · title, characters 30–38 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Hairiness of M. suffruticosa was recessive to the no-hair condition of M. hybrida.

Taxon
M. suffruticosaMedicago suffruticosae0
Outcome
hairinesse0
Qualifier
recessive to no-hair condition of M. hybridae0

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

Medicago suffruticosa
Medicago suffruticosa · TaxonVictor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“hairiness of M. suffruticosa was recessive to no-hair condition of M. hybrida”

✓ located verbatim in the source · abstract, characters 292–369 · show in text ↑
Mechanismobservedoriginal resultmeasured

Claim · model-written summary

Coiling of pods was determined by six dominant, non-linked factors (A1-A6) with cumulative effect.

Taxon
MEDICAGOMedicagot0
Gene
A 1 –A 6e0
Outcome
Coiling of podse0
Qualifier
six dominant, non-linked factorse0

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

Medicago
Medicago · Taxon · picture of the genus (one of its species)Ivar Leidus · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Coiling of pods was determined by six dominant, non-linked factors, A 1 –A 6 , with cumulative effect”

✓ located verbatim in the source · abstract, characters 371–472 · show in text ↑
t0

“MEDICAGO”

✓ located verbatim in the source · title, characters 30–38 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

M. suffruticosa possessed the dominant alleles for pod coiling.

Taxon
M. suffruticosaMedicago suffruticosae0
Outcome
possessed the dominant allelese0

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

Medicago suffruticosa
Medicago suffruticosa · TaxonVictor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“M. suffruticosa possessed the dominant alleles”

✓ located verbatim in the source · abstract, characters 474–520 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

M. hybrida could not be hybridized with the M. sativa-falcata group.

Taxon
M. hybridaMedicago hybridae0
Outcome
hybridizede0
Comparator
M. sativa-falcata groupe0

Verbatim

e0

“Neither M. hybrida nor M. suffruticosa could be hybridized with the M. sativa-falcata group”

✓ located verbatim in the source · abstract, characters 522–613 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

M. suffruticosa could not be hybridized with the M. sativa-falcata group.

Taxon
M. suffruticosaMedicago suffruticosae0
Outcome
hybridizede0
Comparator
M. sativa-falcata groupe0

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

Medicago suffruticosa
Medicago suffruticosa · TaxonVictor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Neither M. hybrida nor M. suffruticosa could be hybridized with the M. sativa-falcata group”

✓ located verbatim in the source · abstract, characters 522–613 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

M. leiocarpa could be crossed with both M. hybrida and M. suffruticosa.

Outcome
could be crossede0
Comparator
M. hybrida as well as with M. suffruticosae0

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

Medicago suffruticosa subsp. leiocarpa
Medicago suffruticosa subsp. leiocarpa · Taxon · picture of the speciesVictor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“M. leiocarpa Benth. could be crossed with M. hybrida as well as with M. suffruticosa”

✓ located verbatim in the source · abstract, characters 673–757 · show in text ↑