n this study, karyological characteristics variation in 9 sweet pepper populations was investigated. α-Bromonaphthalene was used for pretreatment, Lewitsky solution for fixation, 1N NaOH for hydrolysis and finally, aceto ironhematoxylin for staining stage. Detailed karyotype features, i.e. total chromosome length (TL), intrachromosomal asymmetry (A1) and interchromosomal asymmetry (A2), total form percent (TF%), ...