Abstract
Abstract The aim of the present investigation was to determine the existence of better genic recombinant lines with respect to the meiotic index in a cyclically improved hexaploid triticale population. From the 12 F2: 3 families selected from the original population (C0) and from the 17 S1 superior progenies belonging to the new C1 population, 2 random samples of five families each one were taken. Additionally, five check varieties were evaluated. Two sowing dates were considered for evaluation, utilizing a completely randomized design with four replications for each. The meiotic index (MI) and grain yield (GY) variables were measured. Among experimental materials, one family showed a MI mean value significantly superior to that of the parental variety used as grain producer (Tatu), even when it was significantly smaller than that of the forage cultivars. The GY of this family also showed a significantly superior mean value with respect to the mentioned grain variety. The appearance of an agronomically an...
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