Premium
Inheritance of Fiber Properties Among Crosses of Acala and High Plains Cultivars of Upland Cotton 1
Author(s) -
Quisenberry J. E.
Publication year - 1975
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1975.0011183x001500020018x
Subject(s) - biology , cultivar , inheritance (genetic algorithm) , fiber crop , agronomy , malvaceae , gossypium hirsutum , fiber , botany , genetics , gene , chemistry , organic chemistry
Although High Plains and Acala cultivars of cotton are taxonomically classified as Gossypium hirsutum L., their pedigrees suggest that they have remained largely discrete populations during cultivar development. To evaluate the genetic control associated with certain fiber properties when High Plains and Acala cultivars are hybridized, a factorial mating design was used to cross randomly‐ selected High Plains and Acala lines. The hybrid populations that resulted from those crosses were used to obtain estimates of genetic variances for fiber length, strength, elongation, and fineness. Additive genetic variance predominated for fiber length, strength, and elongation. Most of the phenotypic variance for fiber fineness was due to the environmental component; however, a statistically significant, nonadditive component was observed. The results suggested that in general, within segregating populations derived by hybridizing High Plains and Acala cultivars, lines can be selected that have desirable combinations of fiber length, strength, and elongation, but that genetic gain for fiber fineness will probably be difficult.