A factor analysis of plant variables associated with architecture and seed size in dry bean
✍ Scribed by G. Acquaah; M. W. Adams; J. D. Kelly
- Book ID
- 104618011
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 468 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0014-2336
No coin nor oath required. For personal study only.
✦ Synopsis
A knowledge of the biological and functional relationships among traits would be of benefit to plant breeders in the choice of traits to use for increasing efficiency of selection in a breeding program . Principal factor analysis was used to identify biological and functional relationships among dry bean (Phaseolus vulgaris L .) traits in segregating populations of a phenotypic recurrent selection program designed to introduce upright architecture into medium-sized dry bean .
Two biological interpretations were assigned to factors extracted in the analysis of four seed/pod traits . The first was a size factor, loaded with seed weight and pod width, and the second a number factor, which was loaded with number of seeds per pod and pod length . Similarly, three factors were extracted from the analysis of fifteen architectural traits . The first factor was interpreted as an elongation factor, and was loaded with internode length measurements, while the second factor was interpreted as a structural factor, and was further divided into two subclasses namely, sturdiness factor and profile factor . The sturdiness factor comprised hypocotyl diameter and hypocotyl length, while the profile factor comprised branch angle and number of basal branches . The third factor which was called a reproductive factor was loaded with pod distribution traits and the number and location of nodes on which pods were borne .