Biochemical Study of some Maize Hybrids, Created at ARDS Turda

Abstract

Improving the quality of the grains allows both diversification and increasing the economic value of
the maize crop. Knowing the determinism of grain quality is important in association with the
improvement of yield, but also for the improvement of some nutritional and industrial properties. The
biological material used in the study is represented by simple hybrids resulted within a system of cyclic
(factorial) crossings of the m×n type, meaning 7 inbred lines were crossed with 3 tester inbred lines.
3 control hybrids were added, resulting in 24 variants – 3 repetitions x 2 rows/plot, in three
experimental years: 2016, 2017 and 2018. The biochemical content of the hybrids was determined
using the Tango NIR chemical analyzer. Protein, fat, starch, fiber, NCGD, NDF and ADF were analyzed.
In all three experimental years, statistically significant differences were noted for the studied quality
indices, being influenced both by the factor year, genotype and by the interaction between the two.