Genotypic potentiality and selection index of ridge gourd (Luffa acutangula L.)

Authors

  • Ayasha Ahmed Department of Botany, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
  • Jahangir Alam Tarafder Department of Botany, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
  • Mohammad Kamal Hoassain Department of Botany, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
  • Nazmul Alam Department of Botany, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh

DOI:

https://doi.org/10.3329/bjb.v49i4.52656

Keywords:

Genotypic potentiality, Path analysis, Selection index, Ridge gourd

Abstract

Fifteen ridge gourd genotypes were investigated to select the superior genotypes. The overall analysis reveals that PCV was higher than GCV for all the traits. Significant variation was found among genotypes for the qualitative traits under divergence analysis. The selection index reveals that maximum genetic gain and relative efficiency over selection for yield was obtained for the index I123 based on yield/plant (g), No. of secondary branch, No. of male flower/plant characters. In the presented functions, selection index I1234 and I12345 showed highest relative efficiency over direct selection and genetic gain when all the characters were included to construct the selection index. On the basis of performance, the genotype-3023 was found to be most promising parent in order to develop a commercial ridge gourd variety.

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Published

2020-12-31

How to Cite

Ahmed, A., Tarafder, J. A., Hoassain, M. K., & Alam, N. (2020). Genotypic potentiality and selection index of ridge gourd (Luffa acutangula L.). Bangladesh Journal of Botany, 49(4), 1169–1175. https://doi.org/10.3329/bjb.v49i4.52656

Issue

Section

Short Communications