Intercharacter Correlations in Sorghum in Relation to Genotypic and Environmental Variations

Authors

R. E. Atkins, Iowa State UniversityFollow
Alvaro Bueno, Iowa State University

Document Type

Research

Keywords

Sorghum bicolor L. Moench, agronomic traits, genetic diversity, planting regimes

Abstract

Intercharacter associations in sorghum (Sorghum bicolor L. Moench) were evaluated in four experiments that provided a diversity of production environments and genetic materials. The yield component that showed the highest correlation with grain yield in all experiments was number of seeds per head. Seed size was the component that showed next best correlation with yield. Heads per plant showed low correlation with yield in three of the four experiments. Grain yield was correlated significantly with the maturity-related characters, midbloom and black-layer formation, in all experiments. Yield also was correlated significantly with plant height among the diverse group of hybrids tested. The correlations of leaf area with grain yield did not seem sufficiently strong to suggest that indirect selection for yield by means of estimates of total-plant leaf area would be very effective.

Publication Date

September 1982

Journal Title

Proceedings of the Iowa Academy of Science

Volume

89

Issue

3

First Page

117

Last Page

120

Copyright

©1982 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

Recommended Citation

Atkins, R. E. and Bueno, Alvaro (1982) "Intercharacter Correlations in Sorghum in Relation to Genotypic and Environmental Variations," Proceedings of the Iowa Academy of Science, 89(3), 117-120.
Available at: https://scholarworks.uni.edu/pias/vol89/iss3/7