VARIABILITY OF SOME MORPHOLOGICAL CHARACTERISTICS IN SOME BREEDING LINES OF BROCCOLI

摘要

The purpose of the research was to determine the genetic and phenotypic variability and broad-sence heritability of six morphological characteristics in selected lines of broccoli. The investigated lines show the lowest variation in the weight of thelateral curds (CV_g=12.20%, CV_f= 15.35%) and in the weight of the primary curd (CV_g=14.97%, CV_f=19.26%), Genetic and phenotypic coefficient of variation is considerably higher for the rest of the morphological characteristics. The highest variabilityis determined for the number of the additionally formed lateral curds (CV_g=54.4%. CV_f=54.98%). Broad-sense heritability shows the lowest values for the weight of the primary curd (60,37%) and the highest for the central flower head diameter (99.52%). The variation of the morphological characteristics is due mostly to genetic causes.