Greener Journal of Plant Breeding and Crop Science Vol. 2 (1), pp. 001-008, January 2014.
ISSN: 2354-2292 © 2013 Greener Journals
Manuscript Number: 102913936
Genotype - Environment Interaction for Plant Development and Some Yield Components in Common Bean (Phaseolus vulgaris L.) during the 2012 Wet Season
*Nwadike Christopher, Vange Terkimbi and Ochigbo A.E.
Department of Plant Breeding and Seed Science, University of Agriculture, Makurdi, Nigeria.
*Corresponding Author’s Email: chrisnwadike @ ymail.com
A multi- location field trial was conducted at two location to estimate genotype by environment interaction for growth, yield and yield characters in nine accession lines of common bean Phaseolus vulgaris L. A randomised complete block design with three replication was use for the field trials. A highly significant differences among the tested genotypes in the two environments were detected for Leaf count, Days after Sowing to first flowering, Days after Sowing to 50% flowering, Plant height at 50% flowering, Pod count per plant, Pod length per plant, Seed diameter per pod, Seed count per pod, Pod yield per plot, Seed yield per plot and Dry matter weight among the testes accessions. The genotype and environment interaction exhibited significance for some characters suggests that genotypes interacted considerably with the environments in the expression of characters, and will behave differently under different environment. A wide mean range of variation was detected which reflects the extent of phenotypic variability in respect of the characters and a good scope for selection of suitable basic material for plant breeders for further crop improvement. Further multi-location trial for seasons should be carried out for the proper selection of the desired genotype.
Keywords: Germplasm, environment interaction, selection, common bean, Genetic parameter, Variation.
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