Components of variation and associations among yield attributing traits in segregating populations of brinjal (original) (raw)

2007

Abstract

"ABSTRACT The F1, F2 and their three parents of two crosses, viz., H 7 x Green Round and H 7 x GCL99-1 were grown in randomized block design with four replications. Differences in mean values of parents for various characters indicated involvement of diverse parents in the crosses studied. Heterotic response of hybrids and inbreeding depression in the F2 for fruit yield per plant indicated influence of non-additive gene action for the inheritance of this character. The F2 plants exceeded either of the parents for most of the characters, which seems to be due to transgressive segregation. CV values of F2 populations were higher than those of parents and F1s in nonsegregating populations, indicating high amount of variation exist in the material studied. High magnitude of heritability for most of the characters suggested the progress of improvement in yield and its components. Correlation analysis indicated that fruits per plant and fruit weight both were important components of fruit yield per plant. However, negative correlation between them would delay the progress in yield improvement. "

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