Correlation studies and path coefficient analysis in sesame (Sesamum indicum L.)

Subramanian, S.; Subramanian, M.

Journal of Agronomy and Crop Science 173(3/4): 241-248

1994


ISSN/ISBN: 0931-2250
DOI: 10.1111/j.1439-037x.1994.tb00560.x
Accession: 002586969

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Abstract
Field investigations were carried out at Madurai, Tamil Nadu (India) during 1989-90 to study the genotypic character association in sesame. The F4 and F5 generations of TSS6 x TMV3 and TMV3 x TSS6 were raised and eight genotypic characters were recorded (plant height, primary and secondary branches, capsule number per plant, seed number per capsule, 1000-seed weight, oil content, and seed yield per plant). Correlation studies showed that the magnitude and direction of correlation between eight pairs of traits varied with generations in both crosses. Plant yield had a strong, significant and positive relationship with capsule number in both generations of the two crosses, indicating a close link between the two traits. Path coefficient analysis revealed that direct and indirect contributions by different traits (primary branches, secondary branches, capsule number per plant, seed number per capsule and 1000-seed weight) should be considered as the most important traits in the determination of seed yield and selection of parents.

Correlation studies and path coefficient analysis in sesame (Sesamum indicum L.)