J. Biosci. Agric. Res. | Volume 22, Issue 01, 1815-1822 | https://doi.org/10.18801/jbar.220119.223
Article type: Research article | Received: 08.05.19; Revised: 04.09.19; First published online: 01 October 2019.
Article type: Research article | Received: 08.05.19; Revised: 04.09.19; First published online: 01 October 2019.
Character association and path analysis of tomato (Solanum lycopersicum L.)
Md. Sarowar Alam 1,2; Md. Nurul Huda 2,3; Md. Sadiqur Rahman 1, A. K. M. Azad 4, Md. Mizanur Rahman 1 and Mohammad Mainuddin Molla 1
1 Regional Agricultural Research Station (RARS), BARI, Akbarpur, Moulvibazar, Bangladesh
2 Department of Arid land Agriculture, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
3 Department of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
4 Bangladesh Forest Research Institute, Moulvibazar, Bangladesh.
Corresponding author email: [email protected] (Alam, M. S.).
1 Regional Agricultural Research Station (RARS), BARI, Akbarpur, Moulvibazar, Bangladesh
2 Department of Arid land Agriculture, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
3 Department of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
4 Bangladesh Forest Research Institute, Moulvibazar, Bangladesh.
Corresponding author email: [email protected] (Alam, M. S.).
Abstract
The study was conducted at the vegetables research field and laboratory of the Regional Agricultural Research Station, Akbarpur, Moulvibazar, Bangladesh to find out the inter-relationship among the characters studied. Correlation and path analysis was executed in twenty-three tomato genotypes for thirteen yield contributing characters. The correlation coefficients were ascertained to detect the studied character interrelationships. Yield (t/ha) was showed positive and highly significant correlated with yield per plant(r =0.99) followed by individual fruit weight (r =0.72), fruit breadth (r =0.67), number of locules per fruit (r =0.67) and pericarp thickness (r =0.66) which indicated that yield could be enhanced by improving these traits. Path coefficient analysis indicated the cause and effect relationship among yield (t/ha) and its components. Yield per plant exhibited the highest positive direct effect (1.018) on yield (t/ha) followed by the number of flowers per inflorescence (0.212) and pericarp thickness (0.155). Fruit breadth (-0.279) showed the highest negative direct effect on yield (t/ha) but it had a highly significant positive correlation with Yield (t/ha) (r=0.67). High direct effect on yield (t/ha) was revealed by the characters that indicated direct selection in favor of these traits might be feasible. Selection based on these characters has great potential for improving yield (t/ha). The studied characters explained almost all variability towards yield signified by considerably very low residual effect (0.004606).
Key Words: Tomato, Correlation analysis, Path-coefficients analysis, Traits and Direct effect
The study was conducted at the vegetables research field and laboratory of the Regional Agricultural Research Station, Akbarpur, Moulvibazar, Bangladesh to find out the inter-relationship among the characters studied. Correlation and path analysis was executed in twenty-three tomato genotypes for thirteen yield contributing characters. The correlation coefficients were ascertained to detect the studied character interrelationships. Yield (t/ha) was showed positive and highly significant correlated with yield per plant(r =0.99) followed by individual fruit weight (r =0.72), fruit breadth (r =0.67), number of locules per fruit (r =0.67) and pericarp thickness (r =0.66) which indicated that yield could be enhanced by improving these traits. Path coefficient analysis indicated the cause and effect relationship among yield (t/ha) and its components. Yield per plant exhibited the highest positive direct effect (1.018) on yield (t/ha) followed by the number of flowers per inflorescence (0.212) and pericarp thickness (0.155). Fruit breadth (-0.279) showed the highest negative direct effect on yield (t/ha) but it had a highly significant positive correlation with Yield (t/ha) (r=0.67). High direct effect on yield (t/ha) was revealed by the characters that indicated direct selection in favor of these traits might be feasible. Selection based on these characters has great potential for improving yield (t/ha). The studied characters explained almost all variability towards yield signified by considerably very low residual effect (0.004606).
Key Words: Tomato, Correlation analysis, Path-coefficients analysis, Traits and Direct effect
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MLA
Alam, M. S. et al. “Character association and path analysis of tomato (Solanum lycopersicum L.).” Journal of Bioscience and Agriculture Research 22(01) (2019): 1815-1822.
APA
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. (2019). Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research, 22(01), 1815-1822.
Chicago
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. “Character association and path analysis of tomato (Solanum lycopersicum L.)”. Journal of Bioscience and Agriculture Research 22(01) (2019): 1815-1822.
Harvard
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. 2019. Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research, 22(01), pp. 1815-1822.
Vancouver
Alam, MS, Huda, MN, Rahman, MS, Azad, AKM, Rahman, MM and Molla, MM. Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research. 2019 October 22(01): 1815-1822.
Alam, M. S. et al. “Character association and path analysis of tomato (Solanum lycopersicum L.).” Journal of Bioscience and Agriculture Research 22(01) (2019): 1815-1822.
APA
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. (2019). Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research, 22(01), 1815-1822.
Chicago
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. “Character association and path analysis of tomato (Solanum lycopersicum L.)”. Journal of Bioscience and Agriculture Research 22(01) (2019): 1815-1822.
Harvard
Alam, M. S., Huda, M. N., Rahman, M. S., Azad, A. K. M., Rahman, M. M. and Molla, M. M. 2019. Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research, 22(01), pp. 1815-1822.
Vancouver
Alam, MS, Huda, MN, Rahman, MS, Azad, AKM, Rahman, MM and Molla, MM. Character association and path analysis of tomato (Solanum lycopersicum L.). Journal of Bioscience and Agriculture Research. 2019 October 22(01): 1815-1822.
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