Variability, heritability and genetic advance in bird pepper (Capsicum frutescens L.)

Variability, heritability and genetic advance in bird pepper (Capsicum frutescens L.)

2003

A:PS

An experiment was conducted to estimate the genetic variability, heritability and genetic advance in 20 available accessions of bird pepper (C. frutescens) collected from different parts of Kerala, India. Observations were recorded on plant height, internodal length, stem girth, leaf area, petiole length, days to first flower, node to first flower, height of node to first flower, fruits per plant, fruit length, fruit girth, fruit weight, yield per plant and mite incidence. Analysis of variance significantly differed for plant height, stem girth, leaf area, leaf petiole length, fruits per plant, fruit length, fruit girth, fruit weight and yield per plant among the accessions. A considerable amount of variation was observed for all the characters. The highest values of genotypic (3250.51) and phenotypic variances (3333.35) were recorded for yield per plant. Higher phenotypic and genotypic coefficients of variation (PCV and GCV, respectively) were observed for yield per plant, fruit weight, fruits per plant, fruit length and fruit girth than for other characters. Days to first flower and node at first flower had the lowest PCV and GCV. The highest magnitude of heritability ( > 90%) was registered for fruits per plant, fruit length, fruit girth, fruit weight and yield per plant. The genetic advance was highest for fruits per plant, fruit weight, fruit length, fruit girth and yield per plant. Fruits per plant, fruit weight, fruit length and fruit girth should be considered when formulating selection strategies for bird pepper yield improvement.

no.22:51-54, CAPSICUM & EGGPLANT NEWSLETTER

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