Inter-relationship and path coefficient analysis in parents and F1 hybrids of sesame (Sesamum indicum L.)

Mothilal, A.; Ganesan, K.N.; Manoharan, V.

Research on Crops 5(2/3): 243-245

2004


Accession: 004209549

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Abstract
A study was conducted in Tamil Nadu, India during kharif 1999 and rabi 1999-2000 to evaluate the interrelationships among 6 characters and path coefficient analysis in parents and F1 hybrids of sesame. The parameters tested were: plant height, branch number, number of capsules on the main stem, number of capsules on branches, 1000-seed weight and number of seeds/capsule. The ovule parents were Annamalai, Vinayak, Paiyur 1 and Jamalpur, while the pollen parents were Si 3012, Hawai, RT 46, Si, 1508, Si 320, Si 97, RJS 27 and VS 9102. All 6 characters showed positive genotypic correlation coefficient with seed yield. The number of capsules on the main stem, number of seeds per capsule, number of capsules on branches and branch number had a positive direct effect on seed yield, indicating that the selection for these characters will improve sesame yield.