author(s)
AS Dudhat, VR Akabari, RS Parmar, AP Prajapati and AS Hariyani

abstract
The study was carried out to assess the genetic variability and association of traits with respect to seed yield and its components in sesame genotypes. Twenty sesame genotypes were grown in replicated trial using randomized block design during kharif 2018 at Agricultural Research Station, Junagadh Agricultural University, Amreli. Observation of nine yield related traits have been recorded by using five plant averages. Principal Component analysis was used for this purpose. First three principal components (PC1, PC2 and PC3) having Eigen values greater than one accounted for 70.59 percent of total variability and each accounted for 29.72, 26.56 and 14.30 percent respectively. PC1 has positive association with days to 50% flowering, plant height, number of branches per plant, number of capsule per plant and days to maturity. PC2 has positive association with number of branches per plant, while PC3 has positive association with days to 50% flowering and number of branches per plant. The identified traits within these components exhibited great influence on the yield of the sesame genotypes and could effectively be used for the selection among them.