Paper · 1959 · Agronomy Journal

Genetic Shift During 30 Generations of Natural Selection in Barley1

B. S. Bal; C. A. Suneson; R. T. Ramage

4
claims
8
verbatim quotes
28
citations
1
research areas
—
Not open access

Abstract

Synopsis Genetic shift, involving 19 of 21 characters studied, occurred during the evolutionary improvement of these populations. Parents contributed unequally, and persistent strong selection for seed size reduced it. Character associations increased under each of the three selection regimes.

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Claims 4

Observationobservedoriginal resultmeasured

Claim · model-written summary

Genetic shift occurred in 19 of 21 characters studied during the evolutionary improvement of barley populations.

Outcome
Genetic shifte1
Value
19 of 21 characterse1

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Barley”

✓ located verbatim in the source · title, characters 60–66 · show in text ↑
e1

“Genetic shift, involving 19 of 21 characters studied, occurred during the evolutionary improvement of these populations”

✓ located verbatim in the source · abstract, characters 9–128 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Parents contributed unequally to the barley populations.

Outcome
contributed unequallye2

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Barley”

✓ located verbatim in the source · title, characters 60–66 · show in text ↑
e2

“Parents contributed unequally”

✓ located verbatim in the source · abstract, characters 130–159 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Persistent strong selection for seed size reduced seed size in barley.

Treatment
persistent strong selection for seed sizee3
Outcome
seed sizee3
Direction
reducede3

Not reportedComparator

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Barley”

✓ located verbatim in the source · title, characters 60–66 · show in text ↑
e3

“persistent strong selection for seed size reduced it”

✓ located verbatim in the source · abstract, characters 165–217 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Character associations increased under each of the three selection regimes in barley.

Treatment
each of the three selection regimese4
Outcome
Character associationse4
Direction
increasede4

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Barley”

✓ located verbatim in the source · title, characters 60–66 · show in text ↑
e4

“Character associations increased under each of the three selection regimes”

✓ located verbatim in the source · abstract, characters 219–293 · show in text ↑