MANAGEMENT INTENSITY EFFECTS ON GRAIN YIELD AND ITS QUALITY TRAITS OF WINTER WHEAT CULTIVARS IN DIFFERENT ENVIRONMENTS IN POLANDDOI:10.30825/5.EJPAU.168.2019.22.1

摘要

Management, genetic and environmental factors affect bread wheat quality, mainly in terms of their effects on grain protein content and its composition. The objectives of this study were to determine the impacts of management intensity factors on bread-making wheat quality and contributions of cultivar, environment, and their interaction on the variation in quality traits, and to analyze the relationships between grain parameters. The data used for the analyses were obtained from 8 locations in Poland from post-registration multi-environment trials using 25 winter wheat cultivars at two crop management levels. Our results indicate that most sources of variation in grain quality traits were significant and that the variability of these traits, to a great extent, was dependent on the environments rather than cultivar. The most sensitive variables to environment were the grain yield and grain protein content. Moreover, yearly weather conditions affected the set of variables that describe the grain quality of winter wheat. On the basis of the mean values and standard deviations of the examined cultivars, it was possible to select cultivars that are characterized by stable grain quality, which is expected by farmers and the baking industry.