Research Article | Published: 01 March 2007

Variability and genetic analysis of Tamarindus indica Linn.

B. N. Divakara, M. G. Dasthagir and P. Rajendran

Journal of Non-Timber Forest Products | Volume: 14 | Issue: 1 | Page No. 45-52 | 2007
DOI: https://doi.org/10.54207/bsmps2000-2007-LTTXI6 | Cite this article

Abstract

Tamarindus indica Linn. is an excellent multipurpose tree species, with each and every part of the tree having specific use. An evaluation of thirty-five genotypes of Tamarind selected from various locations of South India was carried out based on variability and genetic analysis of selected seed and seedling traits. Variability studies for seed traits revealed that, genotype TI-17 expressed superiority for nine parameters viz., 2D surface area (2.53 cm2), seed length (2.22 cm), seed width (1.60 cm), seed perimeter (5.62 cm), seed diameter (1.79 cm), roundness (1.46), 100 seed weight (169.11 g), mean daily germination (4.67 %) and germination percentage (98.25 %), followed by TI-9. Seed aspect ratio was significantly higher in TI – 15 (1.46). Seedling traits at forty-five days after sowing under nursery conditions has revealed that, genotype TI – 17 recorded highest values for number of leaves (13.0), shoot fresh weight (5.08 g), shoot dry weight (1.63 g) and root dry weight (0.33 g) while TI–9 exhibited significant superiority for shoot length (39.60 cm) and vigour index (6199.37). Genetic analysis of the ten seed characteristics revealed that 2D surface area has maximum GCV (33.12) and PCV (33.30). Hundred seed weight was found to possess high heritability (99.87 %) coupled with high genetic advance as percentage over mean (63.41 %) followed by 2D surface area (98.92 % and 67.86 %). Of the various seedling characters studied, high GCV (39.10) and PCV (57.18) with heritability of 46.8 % and GA of 55.1 % was registered for shoot dry weight followed by shoot fresh weight.

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How to cite

Divakara, B.N., Dasthagir, M.G. and Rajendran, P., 2007. Variability and genetic analysis of Tamarindus indica Linn.. Journal of Non-Timber Forest Products, 14(1), pp.45-52. https://doi.org/10.54207/bsmps2000-2007-LTTXI6

Publication History

Manuscript Published on 01 March 2007

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