Abstract
A composite‐cross population, grown to the F 7 generation under nonirrigated field conditions at Lubbock, Tex., was evaluated for the effect of natural selection on the expression of six simply inherited plant and grain traits in sorghum, Sorghum bicolor (L.) Moench. Results indicated that endosperm type was not affected by natural selection. Genes producing awns, red pericarp color, and presence of a seed testa were at a selective advantage. The linked traits of midrib juiciness and plant color indicated that midrib color was not subject to natural selection, but tan plants were at a selective disadvantage. Data presented indicate which of the traits studied are advantageous in a semi‐arid environment.
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Claims 6
Claim · model-written summary
Natural selection did not affect sorghum endosperm type.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“endosperm type was not affected by natural selection”
t0“Sorghum”
Claim · model-written summary
Genes producing awns had a selective advantage.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genes producing awns, red pericarp color, and presence of a seed testa were at a selective advantage”
t0“Sorghum”
Claim · model-written summary
Genes producing red pericarp color had a selective advantage.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genes producing awns, red pericarp color, and presence of a seed testa were at a selective advantage”
t0“Sorghum”
Claim · model-written summary
Genes producing a seed testa had a selective advantage.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genes producing awns, red pericarp color, and presence of a seed testa were at a selective advantage”
t0“Sorghum”
Claim · model-written summary
Midrib color was not subject to natural selection.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“midrib color was not subject to natural selection”
t0“Sorghum”
Claim · model-written summary
Tan sorghum plants were at a selective disadvantage.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tan plants were at a selective disadvantage”
t0“Sorghum”