Heterosis and path coefficient analysis in sesame sesamum indicum l

Osman, H.E.

Acta Agronomica Hungarica 38(1-2): 105-112

1989


Accession: 007397247

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Abstract
Eleven male-sterile .times. male-fertile hybrids and their eleven parents were evaluated for one season at the USDA Cotton Research Station in Shafter, California [USA]. Number of capsules per plant, capsule lenght, number of seeds per capsule, 100-seed weight, yield per plant, yield per hectare and oil content were determined. The average yield per hectare of the hybrids was 51.3% above that of the fertile parents. Other traits with the exception of seed yield per plant exhibited insignificant heterotic effects. The correlations between yield per hectare of the fertile parent and the yield of the F1 (r = 0.752**) generations indicated that superior fertile parents could have been selected phenotypically. Number of capsules per plant and of seeds per capsule in the F1's and of capsules per plant in the parents were the most important yield contributing characters.