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Plant Science Today (PST)

Research Articles

Vol. 12 No. 1 (2025)

Assessment of genetic variability, heritability and genetic advance in brinjal (Solanum melongena L.)

DOI
https://doi.org/10.14719/pst.3562
Submitted
16 March 2024
Published
05-12-2024 — Updated on 01-01-2025
Versions

Abstract

Brinjal breeding lines of the F3 population (IC0598430 X CARI 1) were evaluated to estimate variability, heritability and genetic advance for different characters. Moderate PCV and GCV values were recorded for stem diameter, fruit weight and yield per plant. At the same time, low PCV and GCV were found for plant height, days to 50 % flowering, fruit length, fruit width, fruit length breadth ratio, fruit pedicel length, fruit pedicel diameter, number of branches per plant and number of fruits per plant. High heritability coupled with high genetic advance was recorded for fruit weight and yield per plant exhibiting that the traits are controlled by additive gene action. Therefore, direct selection may be followed for improving brinjal yield by examining these characters. In the grouping of the F3 population into immune, highly resistant, resistant, moderately resistant, susceptible and highly susceptible as per the percentage of bacterial wilt disease incidence (PDI), all the lines understudy reported to be highly resistance.

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