Effect of some Physiological Properties on the Quality Parameters of Different Winter Wheat Varieties in a Long-term Experiment
2014
We have investigated the relationship between the quality parameters, the chlorophyll content and the leaf area index of three different winter wheat genotypes in two different crop years on chernozem soil. The correlations between the qualitative traits and physiological parameters were medium or tight in several cases. The obtained data suggest that the chlorophyll content, the size of the leaf area and the decrease of the assimilation capacity during the generative phase influence the qualitative parameters. Among the qualitative values the valorigraphic value performed lesser correlation between the studied physiological traits. The wet gluten content and the protein content of the flour showed very tight correlation with the chlorophyll content and the leaf area index. The correlations between the studied parameters were the strongest during flowering in the majority of the cases, thus their analysis during these phenophases results in better predictability. These results show that the extent of the assimilation capacity — which significantly influences the nutritional value of the grain during maturation — can be determined by analyzing all the data measured during the different phenophases.
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